1 2009-03-02 Akim Demaille <demaille@gostai.com>
3 b4_public_types_declare.
4 * data/c++.m4 (b4_public_types_declare): New.
5 * data/glr.cc, data/lalr1.cc: Use it.
7 2009-03-02 Akim Demaille <demaille@gostai.com>
9 b4_semantic_type_declare.
10 * data/c++.m4 (b4_semantic_type_declare): New.
11 Factors and generalizes what was in glr.cc and lalr1.cc.
12 * data/variant.hh (b4_semantic_type_declare): Redefine it for
14 * data/lalr1.cc, data/glr.cc: Use it.
16 2009-02-26 Akim Demaille <demaille@gostai.com>
19 * gnulib: Upgrade from master.
20 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore, m4/.gitignore:
23 2009-02-25 Akim Demaille <demaille@gostai.com>
25 Remove useless arguments.
26 * data/glr.c (yy_reduce_print): $$ and @$ are not used and not
29 2009-02-25 Akim Demaille <demaille@gostai.com>
32 * data/lalr1.cc: here.
34 2009-02-25 Akim Demaille <demaille@gostai.com>
36 Fix glr.cc's debug level handling.
37 * data/glr.cc (yydebug_): Remove, as it is actually yydebug from
39 (debug_level, set_debug_level): Adjust.
41 2009-02-25 Akim Demaille <demaille@gostai.com>
44 * data/glr.c: Add 2007 and 2008 here, consistenly with the comments.
46 2009-02-25 Akim Demaille <demaille@gostai.com>
49 * etc/bench.pl.in (generate_grammar_list): Consitently use
50 location_type, not yy::location.
52 2009-02-25 Akim Demaille <demaille@gostai.com>
55 * data/lalr1.cc: here.
57 2009-02-19 Akim Demaille <demaille@gostai.com>
59 Make yyparser::error public.
60 * data/lalr1.cc: here.
61 There is no good reason to keep it private (and it is convenient
62 to use it from the scanner for instance). It is already public in
65 2009-02-19 Akim Demaille <demaille@gostai.com>
70 2009-02-19 Akim Demaille <demaille@gostai.com>
72 Remove trailing blanks.
73 The epilogue has its own ending \n, no need to add another.
75 * data/glr.c, data/lalr1.java, data/yacc.c: dnl when outputing the
77 * data/glr.cc: dnl when extending the epilogue.
78 Remove stray "private:".
80 2009-02-19 Akim Demaille <demaille@gostai.com>
83 * data/c.m4 (b4_c_function_decl): Here.
85 2009-02-19 Akim Demaille <demaille@gostai.com>
88 * data/lalr1.cc: here.
90 2009-02-19 Akim Demaille <demaille@gostai.com>
93 * data/variant.hh: New, extracted from...
94 * data/lalr1.cc: here.
96 * data/local.mk: Adjust.
98 2009-02-19 Akim Demaille <demaille@gostai.com>
100 Extract stack.hh from lalr1.cc.
101 * data/stack.hh: New.
102 * data/lalr1.cc: Extract from here.
103 * data/local.mk: Adjust.
105 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
107 Add reminder about uploading public key to keys.gnupg.net.
108 * HACKING (Release Procedure): Here.
110 2009-01-28 Akim Demaille <demaille@gostai.com>
112 * NEWS: Update information about 2.4.1 and 2.4.2.
114 2008-11-04 Akim Demaille <demaille@gostai.com>
117 * NEWS: Use more outline-mode markup.
118 Suggested by Jim Meyering.
120 2009-01-08 Akim Demaille <demaille@gostai.com>
122 Fix grep portability issues.
123 Grep on Solaris does not support -q.
124 Reported by Summum Bonum.
126 * NEWS: Add a stub for 2.4.2.
127 * THANKS: Add Summum Bonum.
128 * tests/atlocal.in (EGREP): New.
129 (CC, CXX, XSLTPROC): Make it possible to override them via
131 * tests/java.at: Use $EGREP instead of egrep.
132 Use AT_CHECK's ignore instead of grep's -q.
134 2008-12-11 Akim Demaille <demaille@gostai.com>
136 Pass the token type to yysyntax_error.
137 * data/yacc.c (yysyntax_error): Take the transated token instead
142 2008-12-11 Akim Demaille <demaille@gostai.com>
145 * data/glr.c: Formatting changes.
147 2008-12-11 Akim Demaille <demaille@gostai.com>
149 Propagate i18n changes into glr.c.
151 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
152 building the error message format dynamically.
153 * data/lalr1.java: Formatting changes.
155 2008-12-11 Akim Demaille <demaille@gostai.com>
158 * tests/local.mk: Replace "cd && testsuite" by "testsuite -C".
159 Solves problems when top_srcdir is an absolute path.
160 Suggested by Eric Blake.
161 * configure.ac: Require Autoconf 2.62.
163 2008-12-11 Akim Demaille <demaille@gostai.com>
165 Simplify the i18n of the error messages.
166 * data/lalr1.cc: Comment changes.
167 * data/yacc.c (yysyntax_error): Rewrite, using a switch as in
168 lalr1.cc instead of building dynamically the format string.
170 2008-12-08 Akim Demaille <demaille@gostai.com>
172 Fix portability issue in the test suite.
173 * tests/local.at (AT_MATCHES_CHECK): New.
174 Based on Perl instead of Sed. Sed has too many portability
175 pitfalls, not ever Sed is GNU Sed.
176 * tests/actions.at (Fix user actions without a trailing semicolon):
179 2008-12-08 Akim Demaille <demaille@gostai.com>
182 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
184 2008-12-08 Akim Demaille <demaille@gostai.com>
186 Install autoconf as a submodule to get m4sugar.
187 * .gitmodules: Add submodules/autoconf.
188 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
191 2008-12-08 Akim Demaille <demaille@gostai.com>
193 Test token.prefix in all the skeletons.
194 * data/java.m4 (b4_token_enum): Use the token.prefix.
195 * tests/local.at (AT_BISON_OPTION_PUSHDEFS): Define AT_TOKEN_PREFIX.
196 * tests/calc.at (_AT_DATA_CALC_Y): Use it.
197 Add checks for yacc.c, glr.c, lalr1.cc and glr.cc.
198 * tests/java.at: Comment changes.
199 (AT_CHECK_JAVA_MINIMAL): Define the END token.
200 (Java parser class and package names): Add token.prefix check.
202 2008-12-08 Akim Demaille <demaille@gostai.com>
204 Fix regeneration of atconfig.
205 * tests/local.mk (tests/atconfig): The rule was incorrect, but
206 remove it: now that there is no tests/Makefile.am, the top-level
207 Makefile properly updates atconfig when needed.
209 2008-12-07 Di-an Jan <dianj@freeshell.org>
211 Implement the FIXME that ends an user action with a semicolon
212 if it seems necessary.
213 * src/scan-code.l (flex rules section): Flag cpp directive from
214 any `#' to the first unescaped end-of-line. Semicolon is not
215 needed after `;', `{', '}', or cpp directives and is needed after
216 any other token (whitespaces and comments have no effect).
217 * tests/actions.at (Fix user actions without a trailing semicolon):
219 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
220 to make user actions complete statements.
221 Adjust column numbers in error messages.
222 * tests/regression.at (Fix user actions without a trailing semicolon):
223 Remove. Covered by new test.
225 2008-12-07 Akim Demaille <demaille@gostai.com>
228 * gnulib: Update from master.
230 2008-12-05 Eric Blake <ebb9@byu.net>
232 Avoid compiler warning.
233 * src/output.c (muscle_insert_item_number_table): Delete unused
236 2008-12-02 Eric Blake <ebb9@byu.net>
238 Build testsuite with newer autoconf.
239 * tests/output.at (m4_expand): Don't override in newer autoconf,
240 where the underlying implementation changed.
241 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
242 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
243 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
244 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
245 since some of them contain unbalanced ')'.
247 2008-12-01 Akim Demaille <demaille@gostai.com>
249 Use b4_symbol for printers and destructors everywhere.
250 * data/bison.m4 (b4_symbol_action_location): New.
251 * data/c.m4 (b4_symbol_actions): Remove.
252 Adjust all callers to use by b4_symbol_foreach and the corresponding
253 b4_symbol_printer/destructor macro.
254 * data/glr.cc: Adjust.
255 * data/lalr1.java: Adjust the %destructor sanity check.
256 * src/output.c (symbol_code_props_output): Remove, we no longer
257 need the b4_symbol_printers/destructors tables.
259 2008-12-01 Akim Demaille <demaille@gostai.com>
262 * data/lalr1.cc, data/bison.m4 (b4_symbol_action): Use
265 2008-12-01 Akim Demaille <demaille@gostai.com>
267 Move b4_symbol based macro to bison.m4.
268 * data/lalr1.cc (b4_symbol_, b4_symbol, b4_symbol_if)
269 (b4_symbol_action, b4_symbol_destructor, b4_symbol_printer)
270 (b4_symbol_case_, b4_symbol_foreach, b4_type_action_)
271 (b4_type_foreach): Move to...
272 * data/bison.m4: Here.
273 * data/lalr1.cc (b4_symbol_action): Specialize for C++: use
274 b4_symbol_value_template instead of b4_symbol_value.
276 2008-12-01 Akim Demaille <demaille@gostai.com>
278 b4_symbol/type_foreach.
279 * data/lalr1.cc (b4_symbol_foreach, b4_type_foreach): New.
282 2008-12-01 Akim Demaille <demaille@gostai.com>
284 Use the symbol properties to output the printer/destructor for lalr1.cc.
285 Instead of defining complex list of tuples to define various
286 properties of the symbols, we now prefer to define symbols as
287 "structs" in m4: using the symbol key (its number), and the
288 property name, b4_symbol gives it value. Use this to handle
289 destructors and printers.
291 * src/output.c (CODE_PROP): New.
292 (prepare_symbol_definitions): Use it to define the printer and
293 destructor related attributes of the symbols.
294 * data/lalr1.cc (b4_symbol_actions): Rename as...
295 (b4_symbol_action): this.
296 Use b4_symbol instead of 6 arguments.
297 (b4_symbol_printer, b4_symbol_destructor): New.
298 Use them instead of b4_symbol_actions.
300 2008-12-01 Akim Demaille <demaille@gostai.com>
302 Avoid capturing variables too easily.
303 * src/muscle_tab.h (MUSCLE_INSERT_BOOL, MUSCLE_OBSTACK_SGROW): Use
304 v__ and p__ instead of v and p.
306 2008-12-01 Akim Demaille <demaille@gostai.com>
308 Remove spurious empty line before syncline.
309 * data/bison.m4 (b4_syncline): Don't output an empty line before
312 2008-11-26 Akim Demaille <demaille@gostai.com>
314 Convert lib/Makefile.am into lib/local.mk.
315 The real problem is rather gnulib.mk, which itself is extracted
316 from a Makefile.am that gnulib expects to the "recursive". The
317 tool prefix-gnulib-mk converts such a gnulib.mk to be
318 non-recursive. Also, some AC_SUBST variables need to be adjusted.
320 * etc/prefix-gnulib-mk: New.
321 * bootstrap (slurp): Use it to convert further gnulib.mk.
322 No longer try to avoid re-creation of lib/gnulib.mk as the changes
324 * lib/Makefile.am: Rename as...
325 * lib/local.mk: this.
326 Adjust to be prefixed.
327 * Makefile.am, configure.ac: Adjust.
328 * src/local.mk (AM_CPPFLAGS): Extend it, don't define it.
330 2008-11-26 Akim Demaille <demaille@gostai.com>
333 * tests/local.mk (TESTSUITE_FLAGS, AUTOTEST_FLAGS): Rename as...
334 (TESTSUITEFLAGS, AUTOTESTFLAGS): these to compy with the GCS.
335 Reported by Eric Blake.
337 2008-11-26 Akim Demaille <demaille@gostai.com>
339 Use b4_parser_tables_define in glr.cc.
340 * data/glr.c: Use b4_parser_tables_define instead of defining the
341 (deterministic integral) tables by hand.
343 2008-11-26 Akim Demaille <demaille@gostai.com>
345 Use b4_parser_tables_define in Java.
346 * data/java.m4 (b4_typed_parser_table): Rename as...
347 (b4_typed_parser_table_define): this, for consistency.
348 Accept a comment as $4.
350 (b4_integral_parser_table): Rename as...
351 (b4_integral_parser_table_define): this.
352 * data/lalr1.java: Adjust all uses.
353 Use b4_parser_tables_define instead of generation by hand.
355 2008-11-26 Akim Demaille <demaille@gostai.com>
357 Prepare the convergence bw C style and Java table generation.
358 * data/bison.m4 (b4_tables_map, b4_tables_declare)
359 (b4_tables_define): Rename as...
360 (b4_integral_parser_tables_map, b4_parser_tables_declare)
361 (b4_parser_tables_define): these.
362 * data/c.m4 (b4_table_define): Rename as...
363 (b4_integral_parser_table_define): this.
364 * data/lalr1.cc: Adjust.
365 (b4_table_define, b4_table_declare): Rename as...
366 (b4_integral_parser_table_define)
367 (b4_integral_parser_table_declare): these.
368 (yyrline_): Move the comment where it is actually used.
369 * data/yacc.c: Adjust.
370 (yyrline): Use b4_integral_parser_table_define.
372 2008-11-26 Akim Demaille <demaille@gostai.com>
375 * src/parse-gram.h, src/parse-gram.c: Regen.
377 2008-11-26 Akim Demaille <demaille@gostai.com>
379 Factor the generation of the (integral) tables bw yacc.c and lalr1.cc.
380 * data/lalr1.cc (b4_tables_map): Move to...
381 * data/bison.m4: here.
382 Update the comment for yytable during the flight.
383 (b4_tables_declare, b4_tables_define): New.
384 * data/lalr1.cc: Use them.
385 * data/c.m4 (b4_table_define): New.
386 * data/yacc.c: Use b4_tables_define instead of output the tables
388 * tests/regression.at (Web2c Actions): Adjust the expected output,
389 the order of the tables changed.
391 2008-11-26 Akim Demaille <demaille@gostai.com>
393 Get rid of (yy)rhs and (yy)prhs.
394 These tables are no longer needed in the parsers, and they don't seem to
395 be useful. They are not documented either.
397 * src/output.c (prepare_rules): Get rid of rhs and prhs.
398 Adjust the computation of (yy)r2.
400 2008-11-26 Akim Demaille <demaille@gostai.com>
402 Rule length is unsigned.
403 * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
405 2008-11-26 Akim Demaille <demaille@gostai.com>
407 Get rid of lalr1-split.cc.
408 It was no longer maintainer.
410 * data/lalr1-split.cc: Remove.
411 * etc/bench.pl.in (bench_fusion_parser): Remove.
414 2008-11-26 Akim Demaille <demaille@gostai.com>
416 Use yy* consistently.
417 * data/glr.c: Now that yyrhs no longer exists as a global
418 variable, rename local "rhs" variables into "yyrhs" for
421 2008-11-25 Akim Demaille <demaille@gostai.com>
423 Get rid of yyrhs and yyprhs in glr.c.
424 * data/glr.c (yyrhs, yyprhs): Remove.
425 Instead, use the state stack and yystos.
427 2008-11-25 Akim Demaille <demaille@gostai.com>
430 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): If glr, declare it
431 as an Autotest keyword.
433 2008-11-25 Akim Demaille <demaille@gostai.com>
435 Prefer TESTSUITE_FLAGS.
436 TESTSUITEFLAGS is barely readable.
438 * tests/local.mk (TESTSUITE_FLAGS): Default to $(TESTSUITEFLAGS)
439 for backward compatibility.
440 Use the former instead of the latter.
442 2008-11-25 Akim Demaille <demaille@gostai.com>
444 Get rid of yyrhs and yyprhs in larl1.java.
445 * data/lalr1.java (yyrhs_, yyprhs_): Remove.
446 (yy_reduce_print): Rather, use yystos_ and the state stack.
448 2008-11-25 Akim Demaille <demaille@gostai.com>
452 2008-11-25 Akim Demaille <demaille@gostai.com>
454 Get rid of yyrhs and yyprhs in yacc.c.
455 They were used to get the symbol types, given a rule number, when
456 displaying the top of the stack before a reduction. But the
457 symbol type is available from the state stack. This has two be
458 benefits: two tables less in the parser (making it smaller), and a
459 more consistent use of the three stacks which will help to fuse
462 * data/yacc.c (yyprhs, yyrhs): Remove.
463 (YY_REDUCE_PRINT): Pass yyssp to yy_reduce_print.
464 (yy_reduce_print): Take yyssp as argument.
465 Use it, together with yystos, to get the symbol type.
466 * tests/regression.at (Web2c Report): Remove these tables from the
469 2008-11-25 Akim Demaille <demaille@gostai.com>
472 The point is to factor the generation of the tables across skeletons.
473 This is language dependant.
475 * data/c.m4 (b4_comment_): New.
476 Should be usable to define how to generate tables independently of
479 (b4_comment): Bounce to b4_c_comment.
480 Now support $2 = [PREFIX] for indentation.
481 * data/lalr1.cc (b4_table_declare): Don't output a comment if
483 Indent it properly when there is one.
484 Output the ending semicolon.
485 (b4_table_define): Space changes.
486 Output the ending semicolon.
487 (b4_tables_map): New.
488 Use it twice instead of declaring and defining the (integral)
491 2008-11-25 Akim Demaille <demaille@gostai.com>
494 * data/lalr1.cc (b4_table_declare): New.
495 Use it to declare the tables defined with b4_table_define.
496 (b4_table_define): Declare a third arg to match b4_table_declare
498 Move all the comments around invocations of b4_table_define into
499 the invocations itselves.
500 Move things around to have the order for declarations and
503 2008-11-25 Akim Demaille <demaille@gostai.com>
506 * data/lalr1.java: here.
508 2008-11-25 Akim Demaille <demaille@gostai.com>
510 b4_args is more general than only C++.
511 * data/lalr1.cc (b4_args, _b4_args): Move to...
512 * data/bison.m4: here.
514 2008-11-21 Di-an Jan <dianj@freeshell.org>
516 Implement no-XXX arguments for --warnings, --report, --trace.
517 * src/getargs.c (flags_argmatch): Handles no-XXX.
518 Fix typo in doxygen comment.
520 2008-11-21 Akim Demaille <demaille@gostai.com>
522 Display the changes in cross-options.texi.
523 * build-aux/cross-options.pl ($sep): New, to separate items.
524 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
527 2008-11-20 Di-an Jan <dianj@freeshell.org>
529 Improves options in the manual.
530 * doc/bison.texinfo (-g, -x): Add space before argument.
531 (Option Cross Key): Implement FIXME: listing directives also.
532 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
533 (Short Option): Special case -d. Put arguments inside @option.
534 (Bison Directive): Add column, automatically extracted from
535 src/scan-gram.l (actual name passed as the first argument)
536 with special case for %define.
537 * doc/local.mk (doc/cross-options.texi): Pass src/scan-gram.l
538 to build-aux/cross-options.pl.
539 * src/getargs.c (usage): Document limitations of cross-options.pl.
540 * src/scan-gram.l: Likewise.
542 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
544 Fix unexpanded macros in GLR defines file.
545 Reported by Csaba Raduly at
546 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
547 * THANKS (Csaba Raduly): Add.
548 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
549 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
550 lexer in a separate module that includes the defines file.
551 (AT_CHECK_CALC): From AT_FULL_COMPILE, request compilation of lexer
553 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
554 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
555 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
556 (AT_DATA_SOURCE_PROLOGUE): New.
557 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
558 (AT_DATA_SOURCE): New.
559 (AT_FULL_COMPILE): Extend to support an additional source file.
561 2008-11-18 Akim Demaille <demaille@gostai.com>
564 * TODO: More short term issues.
566 2008-11-18 Akim Demaille <demaille@gostai.com>
569 * src/parse-gram.h, src/parse-gram.c: Regen.
571 2008-11-18 Akim Demaille <demaille@gostai.com>
573 Use b4_subtract where possible.
574 * data/lalr1.cc (b4_subtract): Move to...
575 * data/bison.m4: here.
576 * data/glr.c (b4_rhs_data): Use it.
577 * data/yacc.c (b4_rhs_value, b4_rhs_location): Use it.
579 2008-11-18 Akim Demaille <demaille@gostai.com>
581 Remove incorrect mode specification.
582 * data/glr.cc: Don't pretend it's C code.
584 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
586 Simplify last patch slightly.
587 * src/getargs.c (getargs): Here.
589 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
591 Fix last warning from --enable-gcc-warnings.
592 * src/getargs.c (getargs): Don't assign const address to non-const
595 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
597 Don't let maintainer-*-check targets force a version update.
598 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
601 2008-11-17 Di-an Jan <dianj@freeshell.org>
603 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
604 Align menus. Adjust word wrapping. Use node names for menu names.
605 (Examples): Don't abbreviate node names.
606 (LocalWords): Remove abbreviations.
607 (Copying): Make description a sentence.
608 (Java Action Features): Remove period to match the rest of menu.
610 2008-11-17 Di-an Jan <dianj@freeshell.org>
612 Handles several --enable-gcc-warnings.
613 * src/getargs.c (command_line_location): Set parameters to void.
614 * src/output.c (symbol_type_name_cmp): Make static.
615 (symbols_by_type_name): Set parameters to void.
616 (symbol_definitions_output): Remove unused parameter. Rename as...
617 (prepare_symbol_definitions): this.
618 (muscles_output): Move symbol_definitions_output to...
619 (output): here as prepare_symbol_definitions.
620 * tests/c++.at (AT_CHECK_VARIANTS): Remove unused parameters of main.
621 (AT_CHECK_NAMESPACE): Make unused parameter lloc unnamed.
623 2008-11-17 Di-an Jan <dianj@freeshell.org>
625 * tests/c++.at (AT_CHECK_VARIANTS): Fixes tests 198-202.
626 Use AT_DATA_GRAMMAR instead of AT_DATA for compiled tests.
628 2008-11-16 Akim Demaille <demaille@gostai.com>
630 Add missing $(EXEEXT).
631 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): The target is
632 "src/bison$(EXEEXT)".
633 Reported by Di-an Jan.
635 2008-11-15 Akim Demaille <demaille@gostai.com>
639 2008-11-15 Akim Demaille <demaille@gostai.com>
642 * tests/input.at: here.
644 2008-11-15 Akim Demaille <demaille@gostai.com>
646 Remove duplicate header inclusion.
649 2008-11-15 Akim Demaille <demaille@gostai.com>
651 * src/parse-gram.h, src/parse-gram.c: Regen.
653 2008-11-15 Akim Demaille <demaille@gostai.com>
655 Support parametric types.
657 There are two issues to handle: first scanning nested angle
658 bracket pairs to support types such as std::pair< std::string,
659 std::list<std::string> > >.
661 Another issue is to address idiosyncracies of C++: do not glue two
662 closing angle brackets together (otherwise it's operator>>), and
663 avoid sticking blindly a TYPE to the opening <, as it can result
664 in '<:' which is a digraph for '['.
666 * src/scan-gram.l (brace_level): Rename as...
669 Implement support for complex tags.
672 * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template)
673 (b4_symbol_variant): Leave space around types as parameters.
674 * examples/variant.yy: Use nested template types and leading ::.
675 * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt):
677 (TAG, TAG_ANY, TAG_NONE, tag.opt): these.
678 * tests/c++.at: Test parametric types.
680 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
683 This is not sufficient, but we test at least that the make_SYMBOL
684 interface is not affected by token.prefix. A more general test
685 will be implemented when the support of token.prefix is generalized
688 * tests/c++.at: One more variant test, using token.prefix.
690 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
692 Test the make_TOKEN interface.
693 * tests/c++.at (AT_CHECK_VARIANTS): Require and use locations.
694 Factor the common code in yylex.
695 Use it to test "%define lex_symbol".
697 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
701 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
703 Simplify code for variants bench marks.
704 * etc/bench.pl.in (&generate_grammar_list): Define and use
706 Factor the common code in yylex.
708 2008-11-15 Akim Demaille <demaille@gostai.com>
710 Better error message.
711 * bootstrap (find_tool): Fix the error message.
713 2008-11-15 Akim Demaille <demaille@gostai.com>
715 Update variant.yy to newest interface.
716 * examples/variant.yy: Define lex_symbol.
719 2008-11-15 Akim Demaille <demaille@gostai.com>
721 Don't use locations in variant.yy.
722 * examples/variant.yy: Adjust to not using locations.
724 2008-11-15 Akim Demaille <demaille@gostai.com>
727 * data/local.mk, etc/local.mk, examples/local.mk: Use Automake
728 comments for the license.
730 2008-11-15 Akim Demaille <demaille@gostai.com>
732 Remove tests/Makefile.am.
733 * tests/Makefile.am: Rename as...
734 * tests/local.mk: this.
735 * Makefile.am, configure.ac: Adjust.
736 * Makefile.am (DISTCLEANFILES): Define.
737 (maintainer-check, maintainer-xml-check, maintainer-push-check):
738 Remove, we no longer need to bounce to the real targets.
740 2008-11-15 Akim Demaille <demaille@gostai.com>
744 2008-11-15 Akim Demaille <demaille@gostai.com>
747 * Makefile.am (EXTRA_DIST): Move djgpp related part to...
748 * djgpp/local.mk: this new file.
750 2008-11-15 Akim Demaille <demaille@gostai.com>
752 Remove doc/Makefile.am.
753 * doc/Makefile.am: Rename as...
754 * doc/local.mk: this.
756 * Makefile.am, configure.ac: Adjust.
757 * Makefile.am (MOSTLYCLEANFILES): New.
758 * src/local.mk: Adjust.
760 2008-11-15 Akim Demaille <demaille@gostai.com>
762 Move sc_tight_scope into maint.mk.
763 It does not work, and I don't know how it was supposed to work: it
764 seems to be looking for sources in the build tree. I just moved
765 it at a better place, fixing it is still required.
767 * src/local.mk (echo): Remove.
768 (sc_tight_scope): Move to...
771 2008-11-15 Akim Demaille <demaille@gostai.com>
774 * src/parse-gram.h, src/parse-gram.h: Regen.
776 2008-11-15 Akim Demaille <demaille@gostai.com>
778 Remove src/Makefile.am.
779 * src/Makefile.am: Rename as...
780 * src/local.mk: this.
781 Prefix all the paths with src/.
782 (AUTOMAKE_OPTIONS): Build object files in the sub dirs.
783 (AM_CPPFLAGS): Find find in builddir/src.
784 (YACC): Move the flags into...
786 * maint.mk (sc_tight_scope): Disable.
787 It used to bounce to the version in src/Makefile.am which is now
788 part of this very Makefile.
789 * Makefile.am, configure.ac: Adjust.
790 * src/scan-code-c.c, src/scan-code.l: We can no longer rely on
791 include "..." to find files "here": we are no longer in src/, so
792 qualify the includes with src/.
793 * doc/Makefile.am (PREPATH): No longer include the top_builddir
795 (.x.1): Adjust to be able to create src/foo from the top level
796 Makefile, instead of going bounce to src/Makefile the creation of
799 2008-11-15 Akim Demaille <demaille@gostai.com>
801 Remove useless variable.
802 * doc/Makefile.am (srcsrcdir): Remove.
804 2008-11-15 Akim Demaille <demaille@gostai.com>
806 Remove data/Makefile.am.
807 * data/Makefile.am: Rename as...
808 * data/local.mk: this.
810 * Makefile.am, configure.ac: Adjust.
812 2008-11-15 Akim Demaille <demaille@gostai.com>
814 Remove etc/Makefile.am.
815 * etc/Makefile.am: Rename as...
816 * etc/local.mk: this.
818 * Makefile.am, configure.ac: Adjust.
820 2008-11-15 Akim Demaille <demaille@gostai.com>
822 Remove examples/local.mk.
823 examples/calc++/Makefile.am might be interesting to keep as is, since
824 it is an example in itself.
826 * examples/Makefile.am: Rename as...
827 * examples/local.mk: this.
829 * Makefile.am, configure.ac: Adjust.
831 2008-11-15 Akim Demaille <demaille@gostai.com>
833 Remove build-aux/Makefile.am.
834 Recursive Makefiles are really way too slow, let's get rid of some of
837 * build-aux/Makefile.am: Rename as...
838 * build-aux/local.mk: this.
840 * Makefile.am, configure.ac: Adjust.
842 2008-11-15 Akim Demaille <demaille@gostai.com>
844 Provide convenience constructors for locations and positions.
845 * data/location.cc (position::position): Accept file, line and
846 column as arguments with default values.
847 Always qualify initial line and column literals as unsigned.
848 (location::location): Provide convenience constructors.
850 2008-11-15 Akim Demaille <demaille@gostai.com>
852 Instead of using make_symbol<TOK_FOO>, generate make_FOO for each
854 Using template buys us nothing, and makes it uselessly complex to
855 construct a symbol. Besides, it could not be generalized to other
856 languages, while make_FOO would work in C/Java etc.
858 * data/lalr1.cc (b4_symbol_): New.
860 (b4_symbol_constructor_declaration_)
861 (b4_symbol_constructor_definition_): Instead of generating
862 specializations of an overloaded template function, just generate
863 several functions whose names are forged from the token names
864 without the token.prefix.
865 (b4_symbol_constructor_declarations): Generate them for all the
866 symbols, not just by class of symbol type, now that instead of
867 specializing a function template by the token, we generate a
868 function named after the token.
869 (b4_symbol_constructor_specialization_)
870 (b4_symbol_constructor_specializations): Remove.
871 * etc/bench.pl.in: Adjust to this new API.
873 2008-11-13 Akim Demaille <demaille@gostai.com>
875 %define token.prefix.
876 Provide a means to add a prefix to the name of the tokens as
877 output in the generated files. Because of name clashes, it is
878 good to have such a prefix such as TOK_ that protects from names
879 such as EOF, FILE etc. But it clutters the grammar itself.
881 * data/bison.m4 (token.prefix): Empty by default.
882 * data/c.m4 (b4_token_enum, b4_token_define): Use it.
883 * data/lalr1.cc (b4_symbol): Ditto.
885 2008-11-13 Akim Demaille <demaille@gostai.com>
887 Compute at M4 time some of the subtractions.
888 * data/lalr1.cc (b4_subtract): New.
889 (b4_rhs_data): Use it.
891 2008-11-13 Akim Demaille <demaille@gostai.com>
894 This allows the user to get the type of a token returned by yylex.
896 * data/lalr1.cc (symbol::token): New.
897 (yytoknum_): Define when %define lex_symbol, independently of
899 (yytoken_number_): Move into...
900 (symbol::token): here, since that's the only use.
901 The other one is YYPRINT which was not officially supported
902 by lalr1.cc, and anyway it did not work since YYPRINT uses this
903 array under a different name (yytoknum).
905 2008-11-13 Akim Demaille <demaille@gostai.com>
908 * TODO (YYERRCODE): Mention the case of $undef.
910 2008-11-13 Akim Demaille <demaille@gostai.com>
913 * TODO (YYPRINT): New.
915 2008-11-13 Akim Demaille <demaille@gostai.com>
918 * data/lalr1.cc, data/yacc.c: Fix the description of the
919 yytranslate and yytoknum tables.
921 2008-11-13 Akim Demaille <demaille@gostai.com>
923 Define make_symbol in the header.
924 To reach good performances these functions should be inlined (yet
925 this is to measure precisely). To this end they must be available
928 * data/lalr1.cc (b4_symbol_constructor_definition_): Qualify
929 location_type with the class name.
930 Since will now be output in the header, declare "inline".
931 No longer use b4_symbol_constructor_specializations, but
932 b4_symbol_constructor_definitions in the header.
933 Don't call it in the *.cc file.
935 2008-11-13 Akim Demaille <demaille@gostai.com>
937 Define yytranslate in the header for lex_symbol.
938 * data/lalr1.cc: Move the invocation of b4_yytranslate_definition
939 into the header file when using %define lex_symbol.
940 (yytranslate_): Declare inline.
942 2008-11-13 Akim Demaille <demaille@gostai.com>
944 Define the constructors of symbol_type in
945 b4_symbol_constructor_definitions.
946 The constructors are called by the make_symbol functions, which a
947 forthcoming patch will move elsewhere. Hence the interest of
948 putting them together.
950 The stack_symbol_type does not need to be moved, it is used only
953 * data/lalr1.cc: Move symbol_type and symbol_base_type
955 (b4_symbol_constructor_definitions): here.
958 2008-11-13 Akim Demaille <demaille@gostai.com>
960 Make it easier to move the definition of yytranslate_.
961 Forthcoming changes will make it possible to use yytranslate_
962 from outside the parser implementation file.
964 * data/lalr1.cc (b4_yytranslate_definition): New.
967 2008-11-13 Akim Demaille <demaille@gostai.com>
969 Remove useless class specification.
970 * data/lalr1.cc (b4_symbol_constructor_specialization_): No need
971 to refer to the class name to use a type defined by the class for
972 arguments of member functions.
974 2008-11-13 Akim Demaille <demaille@gostai.com>
976 Finer input type for yytranslate.
977 This patch is debatable: the tradition expects yylex to return an int
978 which happens to correspond to token_number (which is an enum). This
979 allows for instance to return characters (such as '*' etc.). But this
980 goes against the stronger typing I am trying to have with the new
981 lex interface which return a symbol_type. So in this case, feed
982 yytranslate_ with a token_type.
984 * data/lalr1.cc (yytranslate_): When in %define lex-symbol,
987 2008-11-13 Akim Demaille <demaille@gostai.com>
989 Honor lex-params in %define lex_symbol mode.
990 * data/lalr1.cc: Use b4_lex_param.
992 2008-11-13 Akim Demaille <demaille@gostai.com>
995 * src/output.c (symbol_definitions_output): Rename symbol
996 attributes type_name and has_type_name as type and has_type.
997 * data/lalr1.cc: Adjust uses.
999 2008-11-13 Akim Demaille <demaille@gostai.com>
1001 Use b4_type_names for the union type.
1002 The union used to compute the size of the variant used to iterate
1003 over the type of all the symbols, with a lot of redundancy. Now
1004 iterate over the lists of symbols having the same type-name.
1006 * data/lalr1.cc (b4_char_sizeof_): New.
1007 (b4_char_sizeof): Use it.
1008 Adjust to be called with a list of numbers instead of a single
1010 Adjust its caller for new-line issues.
1012 2008-11-13 Akim Demaille <demaille@gostai.com>
1014 Define the "identifier" of a symbol.
1015 Symbols may have several string representations, for instance if
1016 they have an alias. What I call its "id" is a string that can be
1017 used as an identifier. May not exist.
1019 Currently the symbols which have the "tag_is_id" flag set are
1020 those that don't have an alias. Look harder for the id.
1022 * src/output.c (is_identifier): Move to...
1023 * src/symtab.c (is_identifier): here.
1024 * src/symtab.h, src/symtab.c (symbol_id_get): New.
1025 * src/output.c (symbol_definitions_output): Use it to define "id"
1027 Remove the definition of "tag_is_id".
1028 * data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
1029 "tag_is_id" were used to produce code.
1030 We still use "tag" for documentation.
1032 2008-11-11 Akim Demaille <demaille@gostai.com>
1034 Locations are no longer required by lalr1.cc.
1035 * data/lalr1.cc (_b4_args, b4_args): New.
1036 Adjust all uses of locations to make them optional.
1037 * tests/c++.at (AT_CHECK_VARIANTS): No longer use the locations.
1038 (AT_CHECK_NAMESPACE): Check the use of locations.
1039 * tests/calc.at (_AT_DATA_CALC_Y): Adjust to be usable with or
1040 without locations with lalr1.cc.
1042 * tests/output.at: Check lalr1.cc with and without location
1044 * tests/regression.at (_AT_DATA_EXPECT2_Y, _AT_DATA_DANCER_Y):
1045 Don't use locations.
1047 2008-11-11 Akim Demaille <demaille@gostai.com>
1050 * tests/local.at (AT_FULL_COMPILE): New.
1051 * tests/actions.at, tests/calc.at, tests/regression.at: Use it.
1053 2008-11-11 Akim Demaille <demaille@gostai.com>
1055 Support parens in calc++.
1056 * doc/bison.texinfo (Calc++ Scanner, Calc++ Parser): Support parens.
1057 * examples/calc++/test (run): Check the expected output.
1061 2008-11-11 Akim Demaille <demaille@gostai.com>
1063 Simplify lalr1.cc since %defines is mandatory.
1064 * data/lalr1.cc: Remove useless calls to b4_defines_if.
1066 2008-11-11 Akim Demaille <demaille@gostai.com>
1069 * TODO (yysyntax_error): New item.
1071 2008-11-11 Akim Demaille <demaille@gostai.com>
1074 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
1077 2008-11-11 Akim Demaille <demaille@gostai.com>
1079 Support i18n of the parse error messages.
1080 * TODO (lalr1.cc/I18n): Remove.
1081 * data/lalr1.cc (yysyntax_error_): Support the translation of the
1082 error messages, as done in yacc.c.
1083 Stay within the yy* pseudo namespace.
1085 2008-11-11 Akim Demaille <demaille@gostai.com>
1088 * TODO (single stack, yysyntax_error): New.
1090 2008-11-11 Akim Demaille <demaille@gostai.com>
1092 Make it possible to return a symbol_type from yylex.
1093 * data/lalr1.cc (b4_lex_symbol_if): New.
1094 (parse): When lex_symbol is defined, expected yylex to return the
1096 * etc/bench.pl.in (generate_grammar_list): Extend to support this
1098 (bench_variant_parser): Exercise it.
1100 2008-11-11 Akim Demaille <demaille@gostai.com>
1102 Remove useless bench case.
1103 * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
1106 2008-11-11 Akim Demaille <demaille@gostai.com>
1108 Improve display of directives.
1109 * etc/bench.pl.in (parse_term): Don't add useless eol.
1111 2008-11-11 Akim Demaille <demaille@gostai.com>
1113 Use string_cast in the bench.
1114 * etc/bench.pl.in (generate_grammar_list): Define and use
1117 2008-11-11 Akim Demaille <demaille@gostai.com>
1119 Replace yychar with a Boolean.
1120 * data/lalr1.cc (parse::yychar): Replace by...
1121 (parse::yyempty): this.
1123 2008-11-11 Akim Demaille <demaille@gostai.com>
1128 2008-11-11 Akim Demaille <demaille@gostai.com>
1130 Let yytranslate handle the eof case.
1131 * data/lalr1.cc (yytranslate_): Handle the EOF case.
1133 No longer expect yychar to be equal to yyeof_, rather, test the
1134 lookahead's (translated) kind.
1136 2008-11-11 Akim Demaille <demaille@gostai.com>
1138 yychar cannot be empty in yyerrlab.
1139 * TODO (yychar == yyempty_): New.
1140 * data/lalr1.cc: Remove the handling of this case.
1141 This eases forthcoming changes related to yychar and yytranslate.
1143 2008-11-11 Akim Demaille <demaille@gostai.com>
1145 Bench: syntactic sugar for %define/#define.
1146 * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
1147 (&bench_push_parser, bench_variant_parser): Use this feature.
1151 2008-11-11 Akim Demaille <demaille@gostai.com>
1153 Less memory pressure on the "list" bench.
1154 * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
1155 the values, to limit memory pressure.
1157 2008-11-11 Akim Demaille <demaille@gostai.com>
1159 Introduce make_symbol.
1160 make_symbol provides a means to construct a full symbol (kind,
1161 value, location) in a single shot. It is meant to be a Symbol
1162 constructor, parameterized by the symbol kind so that overloading
1163 would prevent incorrect kind/value pairs. Unfortunately
1164 parameterized constructors do not work well in C++ (unless the
1165 parameter also appears as an argument, which is not acceptable),
1166 hence the use of a function instead of a constructor.
1168 * data/lalr1.cc (b4_symbol_constructor_declaration_)
1169 (b4_symbol_constructor_declarations)
1170 (b4_symbol_constructor_specialization_)
1171 (b4_symbol_constructor_specializations)
1172 (b4_symbol_constructor_definition_)
1173 (b4_symbol_constructor_definitions): New.
1174 Use them where appropriate to generate declaration, declaration of
1175 the specializations, and implementations of the templated
1176 overloaded function "make_symbol".
1177 (variant::variant): Always define a default ctor.
1178 Also provide a copy ctor.
1179 (symbol_base_type, symbol_type): New ctor overloads for value-less
1181 (symbol_type): Now public, so that functions such as yylex can use
1184 2008-11-11 Akim Demaille <demaille@gostai.com>
1186 Inform m4 whether a tag is a valid id.
1187 * src/output.c (is_identifier): New.
1188 (symbol_definitions_output): Use it to define tag_is_id.
1189 But maybe this should be done at m4 level?
1191 2008-11-11 Akim Demaille <demaille@gostai.com>
1193 Test 214 was failing: it greps with a pattern containing [ ]*
1194 which obviously meant to catch spaces and tabs, but contained only
1195 spaces. Tabulations in sources are a nuisance, so to simplify the
1196 matter, get rid of all the tabulations in the Java sources. The
1197 other skeletons will be treated equally later.
1199 * data/java.m4, data/lalr1.java: Untabify.
1200 * tests/java.at: Simplify AT_CHECK_JAVA_GREP invocations:
1201 tabulations are no longer generated.
1203 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
1205 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
1206 * configure.ac: Adjust usage.
1207 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1208 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1209 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
1211 2008-11-10 Di-an Jan <dianj@freeshell.org>
1213 Workaround Java's ``code too large'' problem for parser tables
1214 in most cases, by using one function per initialization.
1215 * data/java.m4 (b4_typed_parser_table, b4_integral_parser_table): New.
1216 * data/lalr1.java (yypact_, yydefact_, yypgoto_, yydefgoto_,
1217 yytable_, yycheck_, yystos_, yytoken_number_, yyr1_, yyr2_, yyrhs_
1218 yyprhs_, yyrline_, yytranslate_table_): Use b4_integral_parser_table.
1219 (yytname_): Use b4_typed_parser_table.
1220 * doc/bison.texinfo (Java Bison Interface): Add note on Java's
1221 ``code too large'' error.
1223 2008-11-10 Di-an Jan <dianj@freeshell.org>
1225 * NEWS: Document them.
1227 General Java skeleton improvements.
1228 * configure.ac (gt_JAVACOMP): Request target of 1.4, which allows
1229 using gcj < 4.3 in the testsuite, according to comments in
1230 gnulib/m4/javacomp.m4.
1231 * data/java.m4 (stype, parser_class_name, lex_throws, throws,
1232 location_type, position_type): Remove extraneous brackets from
1233 b4_percent_define_default.
1234 (b4_lex_param, b4_parse_param): Remove extraneous brackets from
1235 m4_define and m4_define_default.
1236 * data/lalr1.java (b4_pre_prologue): Change to b4_user_post_prologue,
1237 which marks the end of user code with appropriate syncline, like all
1238 the other skeletons.
1239 (b4_user_post_prologue): Add. Don't silently drop.
1241 (parse): Inline yylex.
1242 * doc/bison.texinfo (bisonVersion, bisonSkeleton): Document.
1243 (%{...%}): Fix typo of %code imports.
1244 * tests/java.at (AT_JAVA_COMPILE): Add "java" keyword.
1246 Support annotations on parser class with %define annotations.
1247 * data/lalr1.java (annotations): Add to parser class modifier.
1248 * doc/bison.texinfo (Java Parser Interface): Document
1249 %define annotations.
1250 (Java Declarations Summary): Document %define annotations.
1251 * tests/java.at (Java parser class modifiers): Test annotations.
1253 Do not generate code for %error-verbose unless requested.
1254 * data/lalr1.java (errorVerbose): Rename to yyErrorVerbose.
1255 Make private. Make conditional on %error-verbose.
1256 (getErrorVerbose, setErrorVerbose): New.
1257 (yytnamerr_): Make conditional on %error-verbose.
1258 (yysyntax_error): Make some code conditional on %error-verbose.
1259 * doc/bison.texinfo (Java Bison Interface): Remove the parts
1260 about %error-verbose having no effect.
1261 (getErrorVerbose, setErrorVerbose): Document.
1263 Move constants for token names to Lexer interface.
1264 * data/lalr1.java (Lexer): Move EOF, b4_token_enums(b4_tokens) here.
1265 * data/java.m4 (b4_token_enum): Indent for move to Lexer interface.
1266 (parse): Qualify EOF to Lexer.EOF.
1267 * doc/bison.texinfo (Java Parser Interface): Move documentation of
1268 EOF and token names to Java Lexer Interface.
1269 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove Calc qualifier.
1271 Make yyerror public.
1272 * data/lalr1.java (Lexer.yyerror): Use longer parameter name.
1273 (yyerror): Change to public. Add Javadoc comments. Use longer
1274 parameter names. Make the body rather than the declarator
1275 conditional on %locations.
1276 * doc/bison.texinfo (yyerror): Document. Don't mark as protected.
1278 Allow user to add code to the constructor with %code init.
1279 * data/java.m4 (b4_init_throws): New, for %define init_throws.
1280 * data/lalr1.java (YYParser.YYParser): Add b4_init_throws.
1281 Add %code init to the front of the constructor body.
1282 * doc/bison.texinfo (YYParser.YYParser): Document %code init
1283 and %define init_throws.
1284 (Java Declarations Summary): Document %code init and
1285 %define init_throws.
1286 * tests/java.at (Java %parse-param and %lex-param): Adjust grep.
1287 (Java constructor init and init_throws): Add tests.
1289 2008-11-10 Akim Demaille <demaille@gostai.com>
1292 * TODO (-D): is implemented.
1293 (associativity): Same precedence must have the same associativity.
1294 For instance, how can a * b / c be parsed if * is %left and / is
1296 (YYERRORCODE, YYFAIL, YYBACKUP): New.
1298 2008-11-10 Akim Demaille <demaille@gostai.com>
1302 2008-11-10 Akim Demaille <demaille@gostai.com>
1304 More information about the symbols.
1305 * src/output.c (type_names_output): Document all the symbols,
1306 including those that don't have a type-name.
1307 (symbol_definitions_output): Define "is_token" and
1309 * data/lalr1.cc (b4_type_action_): Skip symbols that have an empty
1310 type-name, now that they are defined too in b4_type_names.
1312 2008-11-10 Akim Demaille <demaille@gostai.com>
1316 2008-11-10 Akim Demaille <demaille@gostai.com>
1318 Make parser::yytranslate static.
1319 Small speedup (1%) on the list grammar. And makes yytranslate_
1320 available in non member functions.
1322 * data/lalr1.cc (yytranslate_): Does not need to be a instance
1325 2008-11-10 Akim Demaille <demaille@gostai.com>
1327 Avoid trailing spaces.
1328 * data/c.m4: b4_comment(TEXT): Don't indent empty lines.
1329 * data/lalr1.cc: Don't indent before rule and symbol actions, as
1330 they can be empty, and anyway this incorrectly indents the first
1333 2008-11-10 Akim Demaille <demaille@gostai.com>
1337 2008-11-10 Akim Demaille <demaille@gostai.com>
1339 Use "enum" for integral constants.
1340 This is just nicer to read, I observed no speedup.
1342 * data/lalr1.cc (yyeof_, yylast_, yynnts_, yyempty_, yyfinal_)
1343 (yterror_, yyerrcode_, yyntokens_): Define as members of an enum.
1344 (yyuser_token_number_max_, yyundef_token_): Move into...
1345 (yytranslate_): here.
1347 2008-11-10 Akim Demaille <demaille@gostai.com>
1349 Shortcuts in bench directives.
1350 * etc/bench.pl.in (parse_dirs): New.
1352 (bench_variant_parser, bench_fusion_parser): Use %s and %d.
1353 Create the benches in "benches/".
1355 2008-11-10 Akim Demaille <demaille@gostai.com>
1358 * data/lalr1.cc: here.
1360 2008-11-10 Akim Demaille <demaille@gostai.com>
1362 Adjust verbose message to using emacs.
1363 * etc/bench.pl.in: Inform compilation-mode when we change the
1365 (generate_grammar_list): Recognize %define "variant" in addition
1368 2008-11-10 Akim Demaille <demaille@gostai.com>
1370 Classify symbols by type-name.
1371 * src/uniqstr.h (UNIQSTR_CMP): New.
1372 * src/output.c (symbol_type_name_cmp, symbols_by_type_name)
1373 (type_names_output): New.
1374 (muscles_output): Use it.
1375 * data/lalr1.cc (b4_symbol_action_): Remove.
1376 (b4_symbol_case_, b4_type_action_): New.
1377 Adjust uses of b4_symbol_action_ to use b4_type_action_.
1379 2008-11-10 Akim Demaille <demaille@gostai.com>
1381 Change the handling of the symbols in the skeletons.
1382 Before we were using tables which lines were the symbols and which
1383 columns were things like number, tag, type-name etc. It is was
1384 difficult to extend: each time a column was added, all the numbers had
1385 to be updated (you asked for colon $2, not for "tag"). Also, it was
1386 hard to filter these tables when only a subset of the symbols (say the
1387 tokens, or the nterms, or the tokens that have and external number
1388 *and* a type-name) was of interest.
1390 Now instead of monolithic tables, we define one macro per cell. For
1391 instance "b4_symbol(0, tag)" is a macro name which contents is
1392 self-decriptive. The macro "b4_symbol" provides easier access to
1395 * src/output.c (type_names_output): Remove.
1396 (symbol_numbers_output, symbol_definitions_output): New.
1397 (muscles_output): Call them.
1398 (prepare_symbols): Define b4_symbols_number.
1400 2008-11-10 Akim Demaille <demaille@gostai.com>
1403 * src/getargs.h, src/getargs.c (trace_muscle): New.
1404 (trace_types, trace_args): Support it.
1405 * src/output.c (output_skeleton): Use it.
1407 2008-11-10 Akim Demaille <demaille@gostai.com>
1410 * src/output.c (muscles_output): New, extracted from...
1411 (output_skeleton): here.
1414 2008-11-10 Akim Demaille <demaille@gostai.com>
1418 2008-11-10 Akim Demaille <demaille@gostai.com>
1420 Update the variant example.
1421 * examples/variant.yy: Formatting changes.
1424 2008-11-10 Akim Demaille <demaille@gostai.com>
1426 Support constructor with an argument.
1427 This improves the "list" bench by 2%.
1429 * data/lalr1.cc (variant::build): Add an overloaded version with
1431 * tests/c++.at (AT_CHECK_VARIANT): Check it.
1433 2008-11-10 Akim Demaille <demaille@gostai.com>
1436 * tests/c++.at (AT_CHECK_VARIANTS): New.
1437 Use it with and without %define assert.
1439 2008-11-10 Akim Demaille <demaille@gostai.com>
1441 Add %precedence support.
1442 Unfortunately it is not possible to reuse the %prec directive. This
1443 is because to please POSIX, we do not require to end the rules with a
1444 semicolon. As a result,
1448 is ambiguous: either a rule which precedence is that of baz, or a rule,
1449 and then a declaration of the precedence of the token baz.
1451 * doc/bison.texinfo: Document %precedence.
1452 (Precedence Only): New.
1453 * src/assoc.h, src/assoc.c (precedence_assoc): New.
1454 * src/conflicts.c (resolve_sr_conflict): Support it.
1455 * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
1457 * tests/calc.at: Use %precedence for NEG.
1458 * tests/conflicts.at (%precedence does not suffice)
1459 (%precedence suffices): New tests.
1461 2008-11-09 Akim Demaille <demaille@gostai.com>
1463 Make benches in a sub dirs.
1464 * etc/bench.pl.in ($dir): New.
1466 Check the use of constructors with an argument.
1467 (bench_variant_parser): Fix.
1469 2008-11-09 Akim Demaille <demaille@gostai.com>
1473 2008-11-09 Akim Demaille <demaille@gostai.com>
1477 2008-11-09 Akim Demaille <demaille@gostai.com>
1479 Require the generation of parse-gram.output.
1480 * src/Makefile.am (YACC): Pass --report=all.
1482 2008-11-09 Akim Demaille <demaille@gostai.com>
1486 2008-11-09 Akim Demaille <demaille@gostai.com>
1489 * TODO: Remove obsolete items.
1492 2008-11-09 Akim Demaille <demaille@gostai.com>
1495 * etc/bench.pl.in (parse, parse_expr, parse_term, parse_fact)
1496 (@token, $grammar, $bench): New.
1497 (generate_grammar_variant): Rename as...
1498 (generate_grammar_list): this.
1499 (generate_grammar): Adjust.
1500 (bench_grammar): Rename as...
1502 Use it in the various bench-marking routines.
1503 (-b, -g): New options.
1505 2008-11-09 Akim Demaille <demaille@gostai.com>
1507 Use a static hierarchy for symbols in the C++ parser.
1508 * data/lalr1.cc (symbol_base_type, symbol_type)
1509 (stack_symbol_type): Make it a static hierarchy.
1510 Adjust dependencies.
1512 2008-11-09 Akim Demaille <demaille@gostai.com>
1514 bench.pl -d, --directive.
1515 * etc/bench.pl.in (@directive): New.
1516 (&bench_grammar): Use it.
1517 (&bench_list_grammar): New, to provide access to the "variant"
1520 (getopts): Support -d, --directive.
1522 2008-11-09 Akim Demaille <demaille@gostai.com>
1524 Use inline for small operations.
1525 * data/lalr1.cc (symbol_base_type, symbol_type)
1526 (stack_symbol_type): Declare constructor and other operations as
1528 (yy_destroy_): Inline.
1530 2008-11-09 Akim Demaille <demaille@gostai.com>
1532 Introduce a hierarchy for symbols.
1533 * data/lalr1.cc (symbol_base_type, symbol_type): New.
1534 (data_type): Rename as...
1535 (stack_symbol_type): this.
1536 Derive from symbol_base_type.
1537 (yy_symbol_value_print_): Merge into...
1538 (yy_symbol_print_): this.
1541 (yydestruct_): Rename as...
1542 (yy_destroy_): this.
1543 (b4_symbols_actions, YY_SYMBOL_PRINT): Adjust.
1544 (parser::parse): yyla is now of symbol_type.
1545 Use its type member instead of yytoken.
1547 2008-11-09 Akim Demaille <demaille@gostai.com>
1549 Rename data_type and stack_symbol_type.
1550 * data/lalr1.cc (data_type): Rename as...
1551 (stack_symbol_type): this.
1553 2008-11-09 Akim Demaille <demaille@gostai.com>
1555 Handle semantic value and location together.
1556 * data/lalr1.cc (b4_symbol_actions): Bounce $$ and @$ to
1557 yydata.value and yydata.location.
1558 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_)
1559 (YY_SYMBOL_PRINT): Now take semantic value and location as a
1562 (yydestruct_): New overload for a stack symbol.
1564 2008-11-09 Akim Demaille <demaille@gostai.com>
1566 Push a complete symbol, not connected parts.
1567 * data/lalr1.cc (yypush_): Take a data_type&, not disconnected
1568 state, value and location.
1571 2008-11-09 Akim Demaille <demaille@gostai.com>
1573 Agregate yylval and yylloc.
1574 * data/lalr1.cc (parser::yylval, parser::yylloc): Replace by...
1575 (parser::yyla): this.
1577 2008-11-09 Akim Demaille <demaille@gostai.com>
1579 Rely on the state stack to display reduction traces.
1580 To display rhs symbols before a reduction, we used information
1581 about the rule reduced, which required the tables yyrhs and
1582 yyprhs. Now use rely only on the state stack to get the same
1585 * data/lalr1.cc (b4_rhs_data, b4_rhs_state): New.
1587 (parser::yyrhs_, parser::yyprhs_): Remove.
1588 (parser::yy_reduce_print_): Use the state stack.
1590 2008-11-09 Akim Demaille <demaille@gostai.com>
1592 Fuse yyval and yyloc into yylhs.
1593 * data/lalr1.cc (b4_lhs_value, b4_lhs_location): Adjust to using
1595 (parse): Replace yyval and yyloc with yylhs.value and
1597 After a user action, compute yylhs.state earlier.
1598 (yyerrlab1): Do not play tricks with yylhs.location, rather, use a
1601 2008-11-09 Di-an Jan <dianj@freeshell.org>
1603 Remove unused variable.
1604 * src/output.c (type_names_output): Remove unused variable sep.
1606 2008-11-09 Paolo Bonzini <bonzini@gnu.org>
1608 Change tests/output.at quoting.
1609 * tests/output.at (AT_CHECK_OUTPUT): Use conventional m4 quoting when
1610 expanding arguments.
1612 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1614 Don't add a semicolon to actions for %skeleton or %language.
1615 It breaks Java test cases as reported by Akim Demaille.
1616 * src/scan-code.l: Implement.
1618 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1620 Clean up %skeleton and %language priority implementation.
1621 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
1622 remove static qualifier because others will soon need to see it.
1623 (language_prio): Likewise.
1624 (getargs): Use command_line_prio rather than 0.
1625 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
1627 (skeleton_prio): Extern it.
1628 (language_prio): Extern it.
1629 * src/parse-gram.y: Use grammar_prio rather than 1.
1631 2008-11-07 Akim Demaille <demaille@gostai.com>
1633 Moving push traces into yypush_.
1634 * data/lalr1.cc (yypush_): Now takes a optional trace message.
1637 2008-11-07 Akim Demaille <demaille@gostai.com>
1639 The single-stack C++ parser is now the standard one.
1640 * data/lalr1.cc: Rename as...
1641 * data/lalr1-split.cc: this.
1642 * data/lalr1-fusion.cc: Rename as...
1643 * data/lalr1.cc: this.
1644 * etc/bench.pl.in: Adjust.
1646 2008-11-07 Akim Demaille <demaille@gostai.com>
1648 Avoid empty-if warnings.
1649 Reported by Quentin Hocquet.
1651 * data/lalr1-fusion.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT)
1652 (YY_STACK_PRINT): Provide some contents even when !YYDEBUG.
1654 2008-11-07 Akim Demaille <demaille@gostai.com>
1656 Pass command line location to skeleton_arg and language_argmatch.
1657 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
1658 The location argument is now mandatory.
1659 Adjust all dependencies.
1660 (getargs): Use command_line_location.
1662 2008-11-07 Akim Demaille <demaille@gostai.com>
1665 * src/getargs.c (usage): Document -D.
1666 Fix help string for --locations.
1667 (command_line_location): New.
1668 (short_options, long_options, getargs): Support -D, --define.
1669 (getargs): Move -d support at the right place.
1670 * doc/bison.texinfo (Bison Options): Update.
1671 * tests/input.at (%define, --define): New.
1673 2008-11-07 Akim Demaille <demaille@gostai.com>
1675 Initialize the muscle table before parsing the command line.
1676 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
1677 (getargs): Define file_name.
1678 * src/main.c (main): Initialize muscle_tab before calling
1680 * src/muscle_tab.c (muscle_init): No longer define file_name, as
1681 its value is not available yet.
1683 2008-11-07 Akim Demaille <demaille@gostai.com>
1685 Locations without columns for command line arguments.
1686 * src/location.c (location_print): Don't display negative columns.
1687 * src/location.h: Document this.
1689 2008-11-07 Akim Demaille <demaille@gostai.com>
1692 * src/getargs.c (usage): Fix help string for -W.
1694 2008-11-07 Akim Demaille <demaille@gostai.com>
1696 Handle more general types of option arguments.
1697 * build-aux/cross-options.pl: The argument ends at the first
1698 space, not the first non-symbol character.
1699 Use @var for each word appearing the argument description.
1701 2008-11-07 Akim Demaille <demaille@gostai.com>
1703 Destroy the variants that remain on the stack in case of error.
1704 * data/lalr1-fusion.cc (yydestruct_): Invoke the variant's
1706 Display the value only if yymsg is nonnull.
1707 (yyreduce): Invoke yydestruct_ when popping lhs symbols.
1709 2008-11-07 Akim Demaille <demaille@gostai.com>
1711 Add "%define assert" to variants.
1712 This is used to help the user catch cases where some value gets
1713 ovewritten by a new one. This should not happen, as this will
1716 Unfortunately this uncovered a bug in the C++ parser itself: the
1717 lookahead value was not destroyed between two calls to yylex. For
1718 instance if the previous lookahead was a std::string, and then an int,
1719 then the value of the std::string was correctly taken (i.e., the
1720 lookahead was now an empty string), but std::string structure itself
1723 This is now done in variant::build(other&) (which is used to take the
1724 value of the lookahead): other is not only stolen from its value, it
1725 is also destroyed. This incurs a new performance penalty of a few
1726 percent, and union becomes faster again.
1728 * data/lalr1-fusion.cc (variant::build(other&)): Destroy other.
1729 (b4_variant_if): New.
1730 (variant::built): New.
1731 Use it whereever the status of the variant changes.
1732 * etc/bench.pl.in: Check the penalty of %define assert.
1734 2008-11-07 Akim Demaille <demaille@gostai.com>
1736 Use "%define variant" in bench.pl.
1737 * etc/bench.pl.in: No longer use the pseudo directive %variants,
1738 just use %define variants.
1740 2008-11-07 Akim Demaille <demaille@gostai.com>
1743 * src/parse-gram.h, src/parse-gram.c: Regen.
1745 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
1747 Fix user actions without a trailing semicolon.
1748 Reported by Sergei Steshenko at
1749 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
1750 * THANKS (Sergei Steshenko): Add.
1751 * src/scan-code.l (SC_RULE_ACTION): Fix it.
1752 * tests/regression.at (Fix user actions without a trailing semicolon):
1755 2008-11-04 Akim Demaille <demaille@gostai.com>
1757 Use b4_copyright_years.
1758 * data/yacc.c (b4_copyright_years): New.
1759 Fix its value according to the comments in the file.
1760 Use it and undefine it.
1762 2008-11-04 Akim Demaille <demaille@gostai.com>
1765 * data/lalr1-fusion.cc, src/parse-gram.y: here.
1767 2008-11-04 Akim Demaille <demaille@gostai.com>
1770 * data/lalr1-fusion.cc: here.
1772 2008-11-04 Akim Demaille <demaille@gostai.com>
1774 Use strict on bench.pl.
1775 * etc/bench.pl.in (&run, &generate_grammar): New.
1776 Rename the grammar generating functions for consistency.
1777 Change the interface so that the list of benches to run is passed
1778 as (optionless) arguments.
1779 (&compile): Use &run.
1781 2008-11-04 Akim Demaille <demaille@gostai.com>
1783 Remove spurious initial empty lines.
1784 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
1785 * data/yacc.c: End the @output lines with an @.
1787 2008-11-04 Akim Demaille <demaille@gostai.com>
1789 Improve the display of sizes.
1790 * etc/bench.p.in: Higher precision.
1791 Sort by decreasing size.
1793 2008-11-04 Akim Demaille <demaille@gostai.com>
1795 Don't memcpy C++ structures.
1796 * data/lalr1-fusion.cc (b4_symbol_variant): Adjust additional
1798 (variant::build): New overload for
1799 copy-construction-that-destroys.
1800 (variant::swap): New.
1801 (parser::yypush_): Use it in variant mode.
1803 2008-11-04 Akim Demaille <demaille@gostai.com>
1805 Better defaults for bench.pl.
1806 * etc/bench.pl.in ($verbose, $cflags, $iterations): Change the
1808 Adjust &verbose uses.
1811 2008-11-04 Akim Demaille <demaille@gostai.com>
1813 Make variant.yy more complex.
1814 std::list cannot be copied via memcpy, they are more demanding than
1815 std::string. Use one std::list to strengthen the test.
1817 * examples/variant.yy: Use lalr1-fusion.cc, not lalr1.cc.
1819 Create a list of strings, instead of a single large string.
1821 2008-11-04 Akim Demaille <demaille@gostai.com>
1824 * etc/bench.pl.in (--bench, $bench): New.
1826 2008-11-04 Akim Demaille <demaille@gostai.com>
1829 * data/lalr1-fusion.cc (destroy): Use as() in its definition.
1830 Define it after as().
1832 2008-11-04 Akim Demaille <demaille@gostai.com>
1835 * data/lalr1-fusion.cc (b4_rhs_location): Remove useless parens.
1837 2008-11-04 Akim Demaille <demaille@gostai.com>
1839 Issue missing synclines after user actions.
1840 * data/c.m4 (b4_case): Issue synclines on the output file.
1842 2008-11-04 Akim Demaille <demaille@gostai.com>
1844 Remove trailing empty line.
1845 * data/lalr1-fusion.cc: Don't add an empty line after the user's
1848 2008-11-04 Akim Demaille <demaille@gostai.com>
1850 Fix output of copyright years.
1851 * data/bison.m4 (b4_copyright): Fix the indentation of the
1852 copyright year paragraph.
1853 Use b4_copyright_years when no years are given.
1854 * data/lalr1.cc, data/lalr1-fusion.cc, data/location.cc
1855 (b4_copyright_years): New.
1858 2008-11-04 Akim Demaille <demaille@gostai.com>
1860 Avoid the spurious initial empty line.
1861 * data/lalr1-fusion.cc, data/location.cc: Put a trailing "@" at
1862 the end of @output request to suppress the empty line that
1865 2008-11-04 Akim Demaille <demaille@gostai.com>
1867 Remove parser::rhs_number_type.
1868 * data/lalr1-fusion.cc (rhs_number_type): No longer define it.
1869 (yyrhs_): Use b4_table_define.
1871 2008-11-04 Akim Demaille <demaille@gostai.com>
1874 * data/lalr1-fusion.cc: Use an int to iterate up to an int.
1876 2008-11-04 Akim Demaille <demaille@gostai.com>
1878 Factor the declaration of the integer tables.
1879 * data/lalr1-fusion.cc (b4_table_define): New.
1882 2008-11-03 Akim Demaille <demaille@gostai.com>
1884 Fix indentation of tables in lalr1.cc
1885 * data/lalr1-fusion.cc: Fix the indentation.
1887 2008-11-03 Akim Demaille <demaille@gostai.com>
1889 Destroy the lhs symbols after reduction.
1890 * data/lalr1-fusion.cc (parse): After the user action, when in
1891 variant mode, destroy the lhs symbols.
1893 2008-11-03 Akim Demaille <demaille@gostai.com>
1895 Simplify yysyntax_error_ use.
1896 * data/lalr1-fusion.cc (yysyntax_error_): Always pass it the token
1897 type, but make it unnamed in the declaration when it is not used.
1899 2008-11-03 Akim Demaille <demaille@gostai.com>
1901 Let yy::variant::build return an lvalue.
1902 * data/lalr1-fusion.cc (variant::build): Return a reference to the
1905 2008-11-03 Akim Demaille <demaille@gostai.com>
1907 Define yy::variant only when needed.
1908 * data/lalr1-fusion.cc (yy::variant): Define only if variants are
1911 2008-11-03 Akim Demaille <demaille@gostai.com>
1913 Bench the three-stack lalr1.cc.
1914 * etc/bench.pl.in: Bench the three-stack lalr1.cc vs. the
1917 2008-11-03 Akim Demaille <demaille@gostai.com>
1919 Fail on parse error in calc++.
1920 * doc/bison.texinfo (calc++.cc): Propagate failures to the exit
1922 * examples/calc++/test ($me, $number, $exit, run): New.
1923 Use them to propagate errors to the exit status.
1925 2008-11-03 Akim Demaille <demaille@gostai.com>
1927 Don't specify the skeleton twice in the example.
1928 * examples/calc++/Makefile.am: Don't pass -S to Bison, the grammar
1929 file does what is needed.
1931 2008-11-03 Akim Demaille <demaille@gostai.com>
1933 bench: Improve output.
1934 * etc/bench.pl.in (bench_grammar): Tune the printf format.
1936 2008-11-03 Akim Demaille <demaille@gostai.com>
1938 bench: check impact of %debug on variants.
1939 * etc/bench.pl.in (variant_grammar): Fix the computation of
1941 Generate a grammar file that can work with or without %debug.
1942 Do use the @directive.
1943 (bench_variant_parser): Check impact of %debug.
1944 (@directives): Rename all the occurrences to...
1945 (@directive): this, for consistency.
1947 2008-11-03 Akim Demaille <demaille@gostai.com>
1949 bench: report the size too.
1950 * etc/bench.pl.in ($iterations): Defaults to -3.
1951 (&bench_grammar): Require hireswallclock.
1952 Compute and display the size of the result.
1955 2008-11-03 Akim Demaille <demaille@gostai.com>
1957 bench: More use of the verbosity level.
1958 * etc/bench.pl.in ($verbose, &verbose): New.
1960 More POD documentation.
1962 2008-11-03 Akim Demaille <demaille@gostai.com>
1964 bench.pl: a command line interface
1965 * etc/bench.pl.in: More doc.
1966 Some fixes in the documentation.
1967 ($cflags, $iterations, &help, &getopt): New.
1969 (&variant_grammar): Let the number of stages be 10 times what is
1972 2008-11-03 Akim Demaille <demaille@gostai.com>
1974 Bench the use of Boost.Variants.
1975 * etc/bench.pl.in ($cxx, &variant_grammar, &bench_variant_parser):
1977 (&compile): Be ready to compile C++ parsers.
1978 (&bench_push_parser): Move debug information to the outermost
1980 * THANKS: Add Michiel De Wilde.
1982 2008-11-03 Akim Demaille <demaille@gostai.com>
1984 bench.pl: Pass directives as a list instead of as a string.
1985 * etc/bench.pl.in (&directives): New.
1986 (&triangular_grammar, &calc_grammar): Use it to format the Bison
1988 (&triangular_grammar): Do use the directives (were ignored).
1989 (&bench_grammar, &bench_push_parser): Adjust to pass lists of
1992 2008-11-03 Akim Demaille <demaille@gostai.com>
1994 Improve genericity of bench.pl.
1995 * etc/bench.pl.in (&bench_grammar): Take the set of benches as
1997 (&bench_push_parser): New.
2000 2008-11-03 Akim Demaille <demaille@gostai.com>
2002 Add documentation to bench.pl.
2003 * etc/bench.pl.in: Comment changes.
2005 2008-11-03 Akim Demaille <demaille@gostai.com>
2007 Fuse the three stacks into a single one.
2009 In order to make it easy to perform benchmarks to ensure that
2010 there are no performance loss, lalr1.cc is forked into
2011 lalr1-fusion.cc. Eventually, lalr1-fusion.cc will replace
2014 Meanwhile, to make sure that lalr1-fusion.cc is correctly
2015 exercized by the test suite, the user must install a symbolic link
2016 from lalr1.cc to it.
2018 Instead of having three stacks (state, value, location), use a
2019 stack of triples. This considerably simplifies the code (and it
2020 will be easier not to require locations as currently does the C++
2021 parser), and also gives a 10% speedup according to
2022 etc/bench (probably mainly since memory allocation is done once
2023 instead of three times).
2025 Another motivation is to make it easier to destruct properly
2026 semantic values: now that they are bound to their state (hence
2027 symbol type) it will be easier to call the appropriate destructor.
2029 These changes should probably benefit the C parser too.
2031 * data/lalr1.cc: Copy as...
2032 * data/lalr1-fusion.cc: this new file.
2033 (b4_rhs_value, b4_rhs_location): New definitions overriding those
2035 (state_stack_type, semantic_stack_type, location_stack_type)
2036 (yystate_stack_, yysemantic_stack_, yylocation_stack_): Remove.
2037 (data_type, stack_type, yystack_): New.
2038 (YYLLOC_DEFAULT, yypush_): Adjust.
2039 (yyerror_range): Now based on data_type, not location_type.
2041 2008-11-03 Akim Demaille <demaille@gostai.com>
2043 Push the state, value, and location at the same time.
2044 This is needed to prepare a forthcoming patch that fuses the three
2047 * data/lalr1.cc (parser::yypush_): New.
2048 (parser::yynewstate): Change the semantics: instead of arriving to
2049 this label when value and location have been pushed, but yystate
2050 is to be pushed on the state stack, now the three of them must
2051 have been pushed before. yystate still must be the new state.
2052 This allows to use yypush_ everywhere instead of individual
2053 handling of the stacks.
2055 2008-11-03 Akim Demaille <demaille@gostai.com>
2057 Prefer references to pointers.
2058 * data/lalr1.cc (b4_symbol_actions): New, overrides the default C
2059 definition to use references instead of pointers.
2060 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_):
2061 Take the value and location as references.
2064 2008-11-03 Akim Demaille <demaille@gostai.com>
2066 stack::size instead of stack::height.
2067 * data/lalr1.cc (stack::height): Rename as...
2068 (stack::size): this.
2069 Fix the output type.
2072 2008-11-03 Akim Demaille <demaille@gostai.com>
2074 Use variants to support objects as semantic values.
2075 This patch was inspired by work by Michiel De Wilde. But he used
2076 Boost variants which (i) requires Boost on the user side, (ii) is
2077 slow, and (iii) has useless overhead (the parser knows the type of
2078 the semantic value there is no reason to duplicate this
2079 information as Boost.Variants do).
2081 This implementation reserves a buffer large enough to store the
2082 largest objects. yy::variant implements this buffer. It was
2083 implemented with Quentin Hocquet.
2085 * src/output.c (type_names_output): New.
2086 (output_skeleton): Invoke it.
2087 * data/c++.m4 (b4_variant_if): New.
2088 (b4_symbol_value): If needed, provide a definition for variants.
2089 * data/lalr1.cc (b4_symbol_value, b4_symbol_action_)
2090 (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy)
2091 (b4_char_sizeof, yy::variant): New.
2092 (parser::parse): If variants are requested, define
2093 parser::union_type, parser::variant, change the definition of
2094 semantic_type, construct $$ before running the user action instead
2095 of performing a default $$ = $1.
2096 * examples/variant.yy: New.
2097 Based on an example by Michiel De Wilde.
2099 2008-11-03 Akim Demaille <demaille@gostai.com>
2101 Parameterize the extraction of semantic values.
2102 To make future changes easier, no longer rely on ".TYPE" being the
2103 way to get a semantic value.
2105 * data/c.m4 (b4_symbol_value): New.
2107 * data/c++.m4, data/yacc.c: Use it.
2108 * data/glr.c: Use b4_symbol_value.
2112 2008-11-03 Akim Demaille <demaille@gostai.com>
2114 Prepare easier M4 changes.
2115 * data/lalr1.cc: Use escaped [] instead of literals to prepare
2118 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2120 Initiate further development.
2121 * NEWS: Create an empty section for new entries.
2122 * gnulib: Update submodule to HEAD.
2124 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2126 * NEWS: Version 2.4.
2128 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2130 Prepare for next release.
2131 * NEWS: Briefly mention changes since 2.3b.
2132 * README: Say GNU m4 1.4.6, which we've been requiring in release
2133 announcements already, not 1.4.3, which breaks the build.
2135 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2137 Say %language is experimental.
2138 We're thinking of extending it's effect on output file naming. See the
2140 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
2141 * NEWS: Say it's experimental.
2142 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
2143 recommend it over %skeleton for now.
2144 (Bison Options): Likewise.
2145 (C++ Bison Interface): Use %skeleton not %language.
2146 (Calc++ Parser): Use %skeleton not %language.
2147 * src/getargs.c (usage): Say it's experimental.
2149 2008-11-01 Di-an Jan <dianj@freeshell.org>
2150 Paolo Bonzini <bonzini@gnu.org>
2152 Support all Java parser class modifiers.
2153 * data/java.m4 (b4_percent_define_get3): New.
2154 (b4_final_if, b4_strictfp_if): New.
2155 * data/lalr1.java (final, strictfp, extends, implements): Support.
2156 * doc/bison.texinfo (final, strictfp, extends, implements): Add
2158 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
2159 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
2160 (AT_CHECK_JAVA_GREP): New.
2161 (Java parser class modifiers): New test.
2162 (Java parser class extends and implements): New test.
2164 Model exception propagation better with throws and lex_throws.
2165 * data/java.m4 (b4_list2): New.
2166 (throws): Change default.
2167 * data/lalr1.java (yyaction): Add throws.
2168 (parse): Add lex_throws in addition to throws.
2169 * doc/bison.texinfo (throws, lex_throws): Add documentation.
2170 * tests/java.at (Java throws specifications): New test.
2172 Improve documentation for Java parsers.
2173 * doc/bison.texinfo (Java Parsers): Add subsections.
2174 Don't quote first argument of %define.
2175 (Java Bison Interface): Document output files. Move documentation
2176 of parser class and merge into Java Parser Interface. Document
2177 features that error out. Document directives with no effect.
2178 Move note about Javadoc higher.
2179 (Java Semantic Values): Explicitly mention stype.
2180 Document that generic types cannot be used.
2181 (Java Location Values): Use @deftypeivar. Document constructors.
2182 Correct return value for toString.
2183 (Java Parser Interface): List undocumented constants/fields.
2184 Move documentation of fields added by %parse-param closer to list
2185 of members. Document that token names are added as fields.
2186 Document constructors accurately. Remove error method.
2187 (Java Scanner Interface): Move note on %pure-parser to Java Bison
2188 Interface. Describe %code lexer and yylex accutately.
2189 Remove documentation that does not match the code.
2190 (Java Action Features): New.
2191 (Java Differences): Add reference. Add item on semantic values.
2192 Add note about @{ ... @}. Clarify %% epilogue placement.
2193 (Java Declarations Summary): New.
2196 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
2197 (b4_remove_comma): Quote test argument.
2198 (b4_identification): Remove "bison" field.
2199 * tests/java.at (Java parser class and package names): New test.
2200 (Java %parse-param and %lex-param): New test.
2201 (Java stype, position_class and location_class): New test.
2203 2008-10-31 Di-an Jan <dianj@freeshell.org>
2205 * data/lalr1.jave: Update copyright years.
2206 (YYParser): Correct name of "generated from" file in Javadoc:
2207 use b4_file_name instead of @ofile@.
2208 (Location constructor): Correct Javadoc parameter name.
2209 (yylloc): Add missing opening m4 quote after b4_location_if.
2210 This removes a stray [ in the Javadoc of Lexer.getStartPos.
2211 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
2212 (YYParser constructor): Correct Javadoc parameter name.
2214 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
2216 Always put auxiliary code files in the same dir as other output files.
2217 * src/files.c (compute_file_name_parts): When the user specifies
2218 --output but not --file-prefix, extract the directory prefix from the
2219 file prefix not from the grammar file name. This affects the location
2220 of files like location.hh generated by the C++ skeleton. The includes
2221 in the other output files require this fix.
2222 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
2223 for expected output files.
2224 (Output files): Add a test for the above.
2226 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
2228 * gnulib: Update submodule to HEAD.
2230 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2232 Update copyright year.
2233 * src/files.c: Here.
2235 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
2237 Don't overwrite the input file.
2238 * src/files.c (output_file_name_check): Fatal error if using input file
2240 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
2242 (Conflicting output files): Add test.
2244 2008-10-28 Akim Demaille <demaille@gostai.com>
2247 * data/lalr1.cc: Formatting changes.
2249 2008-10-28 Akim Demaille <demaille@gostai.com>
2251 Don't define debugging functions when !YYDEBUG.
2252 * data/lalr1.cc (debug_stream, set_debug_stream)
2253 (debug_level_type, debug_level, set_debug_level): Don't
2254 declare them when YYDEBUG is not defined.
2255 The implementation are already YYDEBUG-aware.
2257 2008-10-28 Akim Demaille <demaille@gostai.com>
2259 Prefer "continue" for empty loop bodies.
2260 * etc/bench.pl.in: Use "continue" instead of {}.
2262 2008-10-28 Akim Demaille <demaille@gostai.com>
2264 Space and comments changes.
2265 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
2266 * data/c.m4, data/lalr1.cc: Space changes.
2268 2008-10-28 Akim Demaille <demaille@gostai.com>
2270 Make gnulib a submodule.
2272 * .gitmodules (gnulib): New.
2274 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2276 Fix yyerror_range for user-defined location type in C++. Reported by
2278 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
2279 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
2280 * THANKS (Georg Sauthoff): Add.
2282 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2284 Update several administrative files mainly to facilitate releasing.
2285 * HACKING (Administrivia): Make the git-merge-changelog notes more
2287 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
2288 (Release Procedure): Update for git and add numerous details that were
2290 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
2291 * maint.mk (announcement): Don't list bison as a bootstrap tool so
2292 that announcements don't claim we bootstrapped with whatever bison
2293 happened to be in PATH. Add flex as a bootstrap tool.
2294 * Makefile.maint: Remove, previously replaced by maint.mk.
2295 * Makefile.cfg: Remove, and migrate settings to...
2296 * cfg.mk: ... here for the sake of `make announcement'.
2297 * bootstrap.conf (gnulib_modules): Add announce-gen.
2298 * README: Say GNU Bison instead of just Bison. Suggested by Karl
2301 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
2303 Small but important bugfixes for the Java skeleton.
2304 * data/lalr1.java (yyerror): Change Location to b4_location_type.
2305 (yy_symbol_print): Call toString on yyvaluep.
2307 2008-08-29 Akim Demaille <demaille@gostai.com>
2309 Clarify UPDATED use.
2310 * doc/bison.texinfo: It refers to the last edition of this file,
2311 not to the release date of Bison.
2312 Reported by Joel E. Denny.
2314 2008-08-29 Akim Demaille <demaille@gostai.com>
2316 * README: Update FAQ pointer.
2317 Reported by Joel E. Denny.
2319 2008-08-27 Eric Blake <ebb9@byu.net>
2321 Resync m4sugar from autoconf.
2322 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
2323 (m4_init): Adjust to latest m4.git changes.
2324 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
2326 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
2327 (_m4_list_cmp): Reduce side effects.
2329 2008-08-27 Akim Demaille <demaille@gostai.com>
2331 Check yyerrok in calc.at.
2332 * tests/calc.at (calc.y): Use yyerrok on "( error )".
2333 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
2336 2008-08-27 Akim Demaille <demaille@gostai.com>
2338 Support yyerrok in lalr1.cc.
2339 YYBACKUP is still to import back into lalr1.cc.
2340 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
2342 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2344 For maintainer-check*, don't recompile for a $(VERSION) update.
2346 (_is-dist-target): Override the one in GNUmakefile.
2347 * Makefile.am (EXTRA_DIST): Add cfg.mk.
2349 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2351 Update for recent change to gnulib.
2352 * src/parse-gram.y: Don't include strverscmp.h. It comes from
2355 2008-08-15 Eric Blake <ebb9@byu.net>
2357 Remaining m4sugar merge from autoconf.
2358 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
2359 * data/m4sugar/foreach.m4: New file, copied from autoconf.
2360 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
2361 * src/output.c (output_skeleton): Tell m4 how to find it.
2363 Partial m4sugar merge from autoconf: m4_map.
2364 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
2365 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
2366 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
2367 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
2369 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
2371 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
2374 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
2376 Keep .version and PACKAGE_VERSION in sync.
2377 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
2378 dependency, and add comments justifying this in more detail. Discussed
2380 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
2382 2008-08-06 Eric Blake <ebb9@byu.net>
2384 Partial m4sugar merge from autoconf: m4_shiftn.
2385 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
2386 (m4_shift2, m4_shift3): New macros.
2387 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
2388 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
2389 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
2390 * data/java.m4 (b4_remove_comma): Likewise.
2392 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
2393 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
2394 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
2395 (m4_init): Consolidate wrapped text into single m4_wrap.
2396 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
2399 2008-08-05 Eric Blake <ebb9@byu.net>
2401 Partial m4sugar merge from autoconf: builtins, version.m4.
2402 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
2403 (m4_prepend): Remove, as it is unused and inherently quadratic,
2404 whereas m4_append is linear in newer m4.
2405 (m4_mkstemp): New builtin.
2406 (m4_symbols): Make rename conditional.
2407 (m4_version_prereq): Ensure fatal error if used in bison, which
2408 intentionally lacks version.m4.
2410 Fix comments in m4sugar.
2411 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
2413 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2415 Update for recent .gitignore fix in Gnulib.
2416 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
2417 anchored .gitignore entries.
2419 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2421 Set gnu or gnits strictness.
2422 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
2423 development and gnits strictness for releases. Based on Eric Blake's
2425 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
2427 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2429 * NEWS: Clarify documentation of %language.
2431 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2433 Support usage of git-merge-changelog.
2434 * .gitattributes: New.
2435 * HACKING: Document usage of git-merge-changelog.
2436 * bootstrap: Install git-merge-changelog entries in .git/config
2439 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2441 Remove remaining dependence on CVS Id keyword.
2442 * ChangeLog: For the sake of people still using CVS, don't use dollars
2444 * data/xslt/bison.xsl: Remove Id from header comments, where it was
2446 * data/xslt/xml2dot.xsl: Likewise.
2447 * data/xslt/xml2text.xsl: Likewise.
2448 * data/xslt/xml2xhtml.xsl: Likewise.
2449 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
2450 * doc/Makefile.am (neutralize): Remove, no longer needed.
2451 (.x.1): Don't use neutralize.
2452 (edit): Don't substitute for ID.
2453 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
2455 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2457 Fix dependence on computed configure variables.
2458 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
2459 $(top_srcdir)/configure.ac so that changes to computed variables, such
2460 as PACKAGE_VERSION, are seen.
2461 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
2463 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
2465 Update copyright dates for recent changes.
2466 * Makefile.am: Here.
2467 * src/Makefile.am: Here.
2468 * src/reduce.c: Here.
2469 * tests/reduce.at: Here.
2471 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
2473 Use git-version-gen for version names between releases.
2474 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
2475 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
2476 * .prev-version: New.
2477 * .version.in: Remove.
2478 * ChangeLog: Remove the Id previously used for capturing the CVS
2480 * GNUmakefile: Remove, now copied from Gnulib.
2481 * Makefile.am: Add code suggested by comments in
2482 build-aux/git-version-gen.
2483 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
2484 .prev-version, and .version.
2485 * NEWS (2.3b+): Rename to...
2486 (?.?): ... this because we're dropping the "+" version naming scheme,
2487 but, in general, we still can't be sure of our next release name.
2488 * bootstrap: Add a quick hack to remove from .gitignore the
2489 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
2490 entry. This should really be fixed in gnulib instead.
2491 * bootstrap.conf (gnulib_modules): Add gnumakefile.
2492 * configure.ac (AC_INIT): Set version name by invoking
2493 build-aux/git-version-gen.
2494 (AC_CONFIG_FILES): Remove .version, now generated by
2495 build-aux/git-version-gen.
2496 * maint.mk: New, copied from coreutils.
2497 * doc/.cvsignore (bison.1): Add.
2498 * doc/.gitignore (/bison.1): Add.
2499 * doc/bison.1: Remove, generated.
2500 * src/.cvsignore (revision.c): Remove.
2501 * src/.gitignore (/revision.c): Remove.
2502 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
2503 (BUILT_SOURCES): Remove revision.c.
2504 (revision.c): Remove.
2505 * src/getargs.c (version): Don't print revision after the VERSION.
2506 * src/revision.h: Remove.
2508 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
2510 Fix untranslatable composition of sentences. Reported by Goran
2512 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
2513 * THANKS (Goran Uddeborg): Add.
2514 * src/reduce.c (reduce_print): Report the number of nonterminals and
2515 rules useless in the grammar in separate sentences.
2516 * tests/reduce.at (Useless Rules): Update output.
2517 (Reduced Automaton): Likewise.
2518 (Underivable Rules): Likewise.
2519 (Empty Language): Likewise.
2521 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2523 Fix some .gitignore and .cvsignore problems.
2524 * bootstrap (insert_sorted_if_absent): Replace all uses with...
2525 (insert_vc_ignore): ... this new function, which prepends `/' to all
2526 .gitignore entries before passing them to insert_sorted_if_absent.
2527 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
2528 .cvsignore files are maintained even though Bison developers run
2529 bootstrap while using Git.
2530 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
2533 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
2534 unneeded. Reported by Eric Blake.
2535 * lib/.gitignore (/*~): Add.
2536 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
2537 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
2539 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
2541 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2543 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
2544 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
2545 * bootstrap.conf (gnulib_modules): Add unsetenv.
2546 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
2547 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
2549 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
2550 the first argument because it may become position-dependent, and unset
2551 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
2552 Add comments explaining these issues in more detail.
2554 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
2556 Add .gitignore everywhere based on .cvsignore.
2558 * build-aux/.gitignore: New.
2559 * data/.gitignore: New.
2560 * doc/.gitignore: New.
2561 * etc/.gitignore: New.
2562 * examples/.gitignore: New.
2563 * examples/calc++/.gitignore: New.
2564 * lib/.gitignore: New.
2565 * m4/.gitignore: New.
2566 * po/.gitignore: New.
2567 * runtime-po/.gitignore: New.
2568 * src/.gitignore: New.
2569 * tests/.gitignore: New.
2571 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2573 * NEWS (2.3b+): New section, empty for now.
2574 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
2576 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2578 * NEWS (2.3b): Update release date since there has been a delay in
2579 getting the announcements and tarballs out.
2581 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2583 * NEWS: Version 2.3b.
2584 * configure.ac (AC_INIT): Likewise.
2585 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
2587 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2589 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
2590 been doing it for years.
2591 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
2592 (Release Procedure): Add FIXME about make alpha being unmaintained.
2594 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
2596 * data/yacc.c: Reformat m4 a little for readability.
2597 * src/lalr.c (build_relations): Correct comment.
2599 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2601 DJGPP specific issue.
2602 * djgpp/config.sed: Fixes required to run configure scripts generated
2605 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
2607 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
2608 coordinator@translationproject.org.
2610 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2612 * THANKS: Add Eric Blake.
2614 2008-04-23 Eric Blake <ebb9@byu.net>
2616 Revert prior patch, by working around autoconf regression.
2617 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
2618 ("Output file name: ("): Uncomment test.
2619 ("Output file name: )"): Likewise.
2620 Based on an idea from Noah Misch.
2622 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2624 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
2625 2.61. Reported by Juan Manuel Guerrero at
2626 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
2627 * tests/output.at ("Output file name: ("): Comment out test case for
2629 ("Output file name: )"): Likewise.
2631 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2633 * GNUmakefile: Update git-version-gen invocation so make dist
2636 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2638 Update to the current gnulib CVS repository, and fix trigraph handling
2640 * bootstrap: Update gnulib CVS repository URL.
2641 (symlink_to_dir): Encapsulate the code that guarantees the destination
2642 directory exists into...
2643 (check_dst_dir): ... this new function, and...
2644 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
2645 fail when copying files into lib/uniwidth/.
2646 * src/output.c (prepare_symbols): When writing yytname muscles, where
2647 symbol names will be encoded in C-string literals, tell quotearg to
2648 escape trigraphs. This used to be the default in gnulib.
2649 * tests/regression.at (Token definitions): Because of the change in
2650 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
2651 escapes trigraphs in symbol names. Thus, yytname no longer has
2652 trigraphs unnecessarily doubly escaped. Update test case output.
2653 Extend test case to be sure Bison's own error messages will no longer
2654 have trigraphs in symbol names unnecessarily escaped once.
2656 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2658 Fix make dist infinite loop reported by Juan Manuel Guerrero at
2659 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
2660 * .cvsignore: Add .version.
2662 * bootstrap.conf (gnulib_modules): Add git-version-gen.
2663 * configure.ac (AC_CONFIG_FILES): Add .version.
2664 * build-aux/.cvsignore: Add git-version-gen.
2666 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
2668 * NEWS (2.3a+): Mention that -g now takes an argument.
2669 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
2670 consistency. Update the -g and -x entries now that they take
2671 arguments. Use brackets to indicate optional arguments.
2672 * src/getargs.c (usage): Explain the relationship between arguments of
2673 long and short options more completely. Document --defines and -d
2674 separately since the former takes an argument but, for POSIX Yacc, the
2676 (short_options): Let -W take an optional argument like --warnings.
2677 (getargs): Sort cases.
2679 2008-02-28 Akim Demaille <demaille@gostai.com>
2681 * doc/bison.texinfo: Fix a few typos.
2683 2008-02-28 Akim Demaille <akim@epita.fr>
2685 * doc/bison.texinfo (Bison Options): Document -W.
2686 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
2688 2008-02-28 Akim Demaille <akim@epita.fr>
2690 * src/getargs.c (short_options): Split and sort for readability.
2691 -g and -x take optional arguments, just like their long options.
2692 * build-aux/cross-options.pl: Use /x to make the regexp easier to
2694 Fix the handling of $opt which resulted in all the argument to be
2695 considered as optional.
2697 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
2699 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
2700 say its interface is experimental.
2701 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
2703 (Bison Options): In the -L and --language entry, mention Java.
2704 (Java Bison Interface): Say the interface is experimental.
2705 * src/getargs.c (usage): Mention -L and --language.
2707 * NEWS (2.3a+): Say the push parsing interface is experimental.
2708 * doc/bison.texinfo (Push Decl): Likewise.
2709 (Decl Summary): Likewise in the "%define api.push_pull" entry.
2710 (Push Parser Function): Likewise.
2711 (Pull Parser Function): Likewise.
2712 (Parser Create Function): Likewise.
2713 (Parser Delete Function): Likewise.
2714 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
2715 yypull_parse, and yypush_parse entries.
2717 * NEWS (2.3a+): Mention XML support, and say the schema is
2719 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
2720 * src/getargs.c (usage): Say the XML schema is experimental.
2722 * NEWS (2.3a+): Say option instead of flag.
2724 2008-02-21 Wojciech Polak <polak@gnu.org>
2726 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
2729 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
2731 Fix impure push parser compile error reported by Bob Rossi at
2732 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
2733 * data/yacc.c: Clean up whitespace in the output a little.
2734 (yypstate_allocated): Define for impure push parsers regardless of
2735 whether the pull interface is also requested.
2736 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
2737 check impure push parsers without the pull interface.
2739 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
2740 yyerror takes arguments specified by %parse-param while yypstate_new
2742 * doc/bison.texinfo (Parser Create Function): Document that
2743 yypstate_new returns 0 for multiple impure parser instances.
2744 * tests/push.at (Push Parsing: Multiple impure instances): Update
2745 expected stderr output.
2747 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
2749 * runtime-po/POTFILES.in (push.c): Remove.
2751 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2753 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
2754 * data/push.c: Rename to...
2755 * data/yacc.c: ... this, overwriting it.
2756 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
2757 `%push-pull-parser' -> `%define api.push_pull "both"'.
2758 Remove old yacc.c tests, and update push.c tests to yacc.c.
2760 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2762 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
2763 `"%code top" blocks' instead of `%code "top" blocks'.
2764 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
2765 Clean up whitespace in the output a little.
2767 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2769 Fix documentation problems reported by Tim Josling at
2770 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
2771 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
2772 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
2773 integers. Explain the effect of literal string aliases on error
2774 messages. Copy token 0 documentation from the C++ skeleton
2777 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2779 Accept a token number in a %left, %right, or %nonassoc for POSIX
2780 conformance. Reported by Tim Josling at
2781 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
2782 * NEWS (2.3a+): Mention.
2783 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
2784 and code numbers are treated by precedence declarations.
2785 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
2787 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
2789 (symbol.prec): New, just like symbol but allows INT.
2790 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
2792 * tests/regression.at (Token number in precedence declaration): New
2795 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2797 DJGPP specific issues.
2798 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
2799 be changed. Copyright timestamp adjusted.
2800 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
2801 be changed. Copyright timestamp adjusted.
2802 * djgpp/config.site: Copyright timestamp adjusted.
2803 * djgpp/config_h.sed: Copyright timestamp adjusted.
2804 * djgpp/djunpack.bat: Copyright timestamp adjusted.
2805 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
2806 filename translation list.
2807 * djgpp/subpipe.c (init_subpipe): Check the environment variables
2808 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
2809 files shall be created. Before trying to use the temp dir where the
2810 environment variable points to check that the dir really exists. If
2811 not default to the cwd as temp dir. Copyright timestamp adjusted.
2812 * djgpp/subpipe.h: Copyright timestamp adjusted.
2813 * djgpp/testsuite.sed: Copyright timestamp adjusted.
2815 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
2817 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
2819 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
2821 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
2822 Problem reported by Claudio Saavedra in
2823 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
2825 2008-01-05 Wojciech Polak <polak@gnu.org>
2827 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
2828 document's title with the input grammar file name.
2830 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
2832 Automate regression testing of the XML/XSLT implementation. Discussed
2834 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
2835 * configure.ac (XSLTPROC): New substitution.
2836 * Makefile.am (maintainer-xml-check): New phony target invoking...
2837 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
2838 invoking make maintainer-check with BISON_TEST_XML=1.
2839 * tests/atlocal.in (XSLTPROC): New.
2840 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
2841 not to report reachable memory when Bison is expected to have a
2842 non-zero exit status and (2) to compare XML/XSLT output with --graph
2843 and --report=all output for every working grammar when
2845 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
2846 (AT_BISON_CHECK_XML): New.
2847 (AT_QUELL_VALGRIND): New.
2848 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
2849 (AT_CHECK): ... don't redefine this since this was the old way to
2851 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
2852 AT_BISON_CHECK invocations.
2853 * tests/c++.at: Likewise.
2854 * tests/calc.at: Likewise.
2855 * tests/conflicts.at: Likewise.
2856 * tests/cxx-type.at: Likewise.
2857 * tests/existing.at: Likewise.
2858 * tests/glr-regression.at: Likewise.
2859 * tests/headers.at: Likewise.
2860 * tests/input.at: Likewise.
2861 * tests/java.at: Likewise.
2862 * tests/output.at: Likewise.
2863 * tests/push.at: Likewise.
2864 * tests/reduce.at: Likewise.
2865 * tests/regression.at: Likewise.
2866 * tests/sets.at: Likewise.
2867 * tests/skeletons.at: Likewise.
2868 * tests/synclines.at: Likewise.
2869 * tests/torture.at: Likewise.
2870 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
2871 tends to hang xsltproc.
2872 (Big horizontal): Likewise.
2874 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2876 In XML output, remove redundant class attribute on symbol element.
2877 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
2878 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
2879 look up a symbol to determine whether it's a nonterminal or terminal.
2880 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
2881 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
2883 Add prec/assoc information to XML output.
2884 * src/gram.c (grammar_rules_print_xml): For each rule that has a
2885 %prec, add a percent_prec attribute.
2886 * src/print-xml.c (print_grammar): For each terminal that has a
2887 precedence or associativity, add a prec or assoc attribute.
2889 (xml_puts): Use xml_indent.
2890 (xml_printf): Use xml_indent.
2891 * src/print-xml.h (xml_indent): Prototype.
2893 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
2894 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
2896 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2898 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
2899 (bison:ruleByNumber): ... this for clarity.
2900 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
2901 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
2902 (xsl:template match="reduction"): Update.
2903 (xsl:template match="item"): Update.
2904 (xsl:template match="reduction"): Update.
2906 In the XML output, don't print the list of rules where symbols appear.
2907 Compute it in XSLT instead. Discussed at
2908 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
2909 * data/xslt/bison.xsl (bison:ruleByLhs): New.
2910 (bison:ruleByRhs): New.
2911 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
2913 (xsl:template match="terminal/rule"): Remove.
2914 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2916 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2918 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
2919 bison:ruleByRhs and mode="number-link" for rule template.
2920 (xsl:template match="terminal/rule"): Remove.
2921 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2922 bison:ruleByRhs and mode="number-link" for rule template.
2923 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2925 (xsl:template match="rule" mode="number-link"): ... this.
2926 * src/print-xml.c (print_grammar): Don't print the list of rules.
2928 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2930 Don't let --report affect XML output; always print all information.
2932 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
2933 * src/conflicts.c (log_resolution): Implement.
2934 * src/print-xml.c (print_core): Implement.
2935 (print_state): Implement.
2936 (print_xml): Implement.
2938 * NEWS (2.3a+): Fix quotes.
2939 * src/parse-gram.y (prologue_declaration): For consistency with -v,
2940 don't let %verbose clear the list specified by --report.
2942 2007-11-26 Akim Demaille <akim@epita.fr>
2944 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
2946 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
2948 In the XML output, list useless and unused symbols and rules with the
2949 useful ones and add a "usefulness" attribute. Discussed starting at
2950 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
2951 * src/gram.c (grammar_rules_partial_print_xml): Remove.
2952 (grammar_rules_print_xml): Print all rules instead of just those
2953 useful in the grammar, and add a "usefulness" attribute.
2954 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
2955 * src/print-xml.c (print_rules_useless_in_parser): Remove.
2956 (print_grammar): Print all nonterminals instead of just useful ones,
2957 and add a "usefulness" attribute to nonterminals and terminals.
2958 (print_xml): Don't print a separate "reductions" or
2959 "rules-useless-in-parser" element.
2960 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
2961 (reduce_xml): Remove.
2962 (reduce_token_unused_in_grammar): New.
2963 (reduce_nonterminal_useless_in_grammar): New.
2964 * src/reduce.h (reduce_xml): Remove prototype.
2965 (reduce_token_unused_in_grammar): Add prototype.
2966 (reduce_nonterminal_useless_in_grammar): Add prototype.
2967 * data/xslt/xml2text.xsl: Update for XML changes.
2968 * data/xslt/xml2xhtml.xsl: Update for XML changes.
2969 * tests/reduce.at (Useless Terminals): Update output.
2970 (Useless Rules): Update output.
2971 (Reduced Automaton): Update output.
2973 Say "Terminals unused in grammar" instead of "Unused terminals".
2974 * NEWS (2.3a+): Update.
2975 * doc/bison.texinfo (Understanding): Update example output.
2976 * src/reduce.c (reduce_output): Implement.
2977 * data/xslt/xml2text.xsl: Implement.
2978 * data/xslt/xml2xhtml.xsl: Implement.
2980 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2982 Accept --report-file=FILE to override the default `.output' filename.
2983 * NEWS (2.3a+): Mention.
2984 * doc/bison.texinfo (Bison Options): Add an entry.
2985 * src/files.c (compute_output_file_names): Don't override
2986 spec_verbose_file if already set.
2987 * src/getargs.c (usage): Document --report-file.
2988 (REPORT_FILE_OPTION): New anonymous enum member.
2989 (long_options): Add entry for it.
2990 (getargs): Add case for it setting spec_verbose_file.
2992 * build-aux/cross-options.pl: Don't record a short option just because
2994 * doc/.cvsignore: Add yacc.1.
2996 2007-11-14 Akim Demaille <akim@epita.fr>
2998 * doc/yacc.1.in: New.
2999 * configure.ac, doc/Makefile.am: Adjust.
3000 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
3002 Use AC_SUBST for assignments too.
3003 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
3005 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
3007 * src/gram.c: Remove comments that duplicate comments in gram.h.
3009 When reporting useless rules and nonterminals, say "useless in grammar"
3010 instead of "useless", and say "useless in parser" instead of "never
3011 reduced". Discussed starting at
3012 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
3013 * NEWS (2.3a+): Mention this change.
3014 * data/xslt/xml2text.xsl: Update output text and expected input XML
3015 element names to match changes below.
3016 * data/xslt/xml2xhtml.xsl: Likewise.
3017 (xsl:template match="bison-xml-report"): Add missing entry in Table of
3018 Contents: "Rules useless in parser due to conflicts".
3019 * doc/bison.texinfo (Decl Summary): Reword a little.
3020 (Understanding): Update example output for changes below.
3021 * src/gram.c: (rule_useful_p): Rename to...
3022 (rule_useful_in_grammar_p): ... this.
3023 (rule_useless_p): Rename to...
3024 (rule_useless_in_grammar_p): ... this.
3025 (rule_never_reduced_p): Rename to...
3026 (rule_useless_in_parser_p): ... this.
3027 (grammar_rules_print): Update for renames.
3028 (grammar_rules_print_xml): Update for renames.
3029 (grammar_rules_never_reduced_report): Rename to...
3030 (grammar_rules_useless_report): ... this since it is used for either
3031 kind of useless rule.
3032 * src/gram.h: Reword comments and update function names in prototypes.
3033 * src/main.c (main): Say "rule useless in parser due to conflicts".
3034 * src/print-xml.c (print_rules_never_reduced): Rename to...
3035 (print_rules_useless_in_parser): ... this, and rename output XML
3036 element "rules-never-reduced" to "rules-useless-in-parser".
3037 (print_xml): Update for rename.
3038 * src/print.c (print_results): Say "Rules useless in parser due to
3040 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
3041 (nonterminals_reduce): Say "nonterminal useless in grammar".
3042 (reduce_output): Say "Nonterminals useless in grammar".
3043 Say "Rules useless in grammar".
3044 (reduce_xml): Rename output XML element "useless" to
3045 "useless-in-grammar".
3046 (reduce_print): Don't report the count of grammatically useless rules
3047 as "rules never reduced" just because %yacc is specified.
3048 In the correct report of this count, say nonterminal(s) and rule(s)
3049 "useless in grammar".
3050 * tests/conflicts.at (S/R in initial): Update expected output.
3051 (Defaulted Conflicted Reduction): Likewise.
3052 (Unreachable States After Conflict Resolution): Likewise.
3053 * tests/existing.at (GNU pic Grammar): Likewise.
3054 * tests/reduce.at (Useless Nonterminals): Likewise.
3055 (Useless Rules): Likewise.
3056 (Reduced Automaton): Likewise.
3057 (Underivable Rules): Likewise.
3058 (Empty Language): Likewise.
3060 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
3062 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
3063 here document and before the EOF so that BSD's implementation of Bourne
3064 shell doesn't parse the delimiter as part of the here document.
3065 * doc/.cvsignore: Add cross-options.texi.
3066 * src/getargs.c (usage): Add a blank line after the warning categories.
3068 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
3070 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
3072 2007-11-05 Akim Demaille <akim@epita.fr>
3074 Remove Id: from bison.1.
3075 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
3076 (perl -0777 -pi -e 's/\.PP\nId): New.
3077 (.x.1): Use it to ignore the version control revision.
3079 2007-11-05 Akim Demaille <demaille@gostai.com>
3081 * build-aux/Makefile.am: Ship cross-options.pl.
3082 * doc/Makefile.am: Always refer to cross-options.texi with
3084 (MAINTAINERCLEANFILES): Add it.
3086 2007-11-04 Akim Demaille <demaille@gostai.com>
3088 Generate the long/short option cross-table.
3089 * build-aux/cross-options.pl: New.
3090 * doc/Makefile.am (cross-options.texi): New.
3091 * doc/bison.texinfo: Use it.
3093 2007-11-04 Akim Demaille <demaille@gostai.com>
3095 Generate bison.1 using help2man.
3096 * doc/common.x, doc/bison.x: New.
3097 * doc/Makefile.am (bison.1, .x.1): New.
3098 The code is taken from autoconf-2.61/man/Makefile.am.
3099 * configure.ac: Look for help2man.
3101 2007-11-04 Akim Demaille <demaille@gostai.com>
3104 * src/getargs.c (usage): Document -W, make it clear that -d,
3105 -g and -x have optional arguments.
3107 2007-11-04 Akim Demaille <demaille@gostai.com>
3109 Find sha1sum when named gsha1sum.
3110 * bootstrap (find_tool): New.
3113 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3115 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
3117 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
3118 * NEWS (2.3a+): Mention.
3119 * data/bison.m4 (b4_pure_if): Don't define it here.
3120 * data/c.m4 (b4_identification): Depend on individual skeletons to
3121 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
3122 values of the %define variables api.pure or api.push_pull. Define
3123 YYPURE, YYPUSH, and YYPULL accordingly.
3124 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
3125 glr.cc has already defined b4_pure_flag.
3126 * data/push.c: Define b4_pure_if based on `%define api.pure'.
3127 Remove YYPUSH and YYPULL since they're back in b4_identification again.
3128 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
3129 * doc/bison.texinfo (Pure Decl): Update.
3130 (Push Decl): Update.
3131 (Decl Summary): Add api.pure to %define entry.
3132 In %pure-parser entry, say it's deprecated and reference %define.
3133 (Pure Calling): Update.
3134 (Error Reporting): Update.
3135 (C++ Scanner Interface): Update.
3136 (How Can I Reset the Parser): Update.
3137 (Table of Symbols): In %pure-parser entry, say it's deprecated and
3139 * src/getargs.c (pure_parser): Remove global variable.
3140 * src/getargs.h (pure_parser): Remove extern.
3141 * src/output.c (prepare): Don't define pure_flag muscle.
3142 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
3143 wrapper around `%define api.pure'.
3144 * tests/calc.at (Simple LALR Calculator): Update.
3145 (Simple GLR Calculator): Update.
3146 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
3148 (GLR: Resolve ambiguity, pure, locations): Update.
3149 (GLR: Merge conflicting parses, pure, no locations): Update.
3150 (GLR: Merge conflicting parses, pure, locations): Update.
3151 * tests/glr-regression.at (Uninitialized location when reporting
3153 * tests/input.at (Unused %define api.pure): New test case.
3154 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
3155 AT_PURE_IF and AT_PURE_AND_LOC_IF.
3156 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3158 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3160 %define push_pull -> %define api.push_pull. Discussed starting at
3161 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
3162 * data/push.c: Expect the new name.
3163 * data/yacc.c: Likewise.
3164 * doc/bison.texinfo (Push Decl): Update.
3165 (Decl Summary): Update %define entry.
3166 (Push Parser Function): Update.
3167 (Pull Parser Function): Update.
3168 (Parser Create Function): Update.
3169 (Parser Delete Function): Update.
3170 * tests/calc.at (Simple LALR Calculator): Update.
3171 * tests/input.at (%define enum variables): Update.
3172 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3173 (Push Parsing: Multiple impure instances): Update.
3174 (Push Parsing: Unsupported Skeletons): Update.
3175 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
3176 (Exploding the Stack Size with Malloc): Update.
3178 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
3181 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
3183 For the XML output's terminal element, rename @number to @token-number,
3184 and add @symbol-number. In the nonterminal element, rename @number to
3185 @symbol-number. Discussed starting at
3186 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
3187 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
3189 (xsl:template match="nonterminal"): Likewise.
3190 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
3191 (xsl:template match="nonterminal"): Likewise.
3192 * src/print-xml.c (print_grammar): Implement.
3194 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3196 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
3197 2007-10-11 change, the child elements here are items not rules.
3198 (xsl:template match="item"): New.
3199 (xsl:template match="rule"): Update for new reduced itemset.
3200 (xsl:template match="point"): Remove.
3201 (xsl:template match="empty"): For consistency with --graph, don't
3202 output "/* empty */".
3203 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
3204 line-wrap, don't pass a negative value as first-line-length since this
3205 won't work with the following changes.
3206 (xsl:template name="line-wrap"): Simplify slightly.
3207 (xsl:template name="ws-search"): Eliminate recursion.
3208 * src/print_graph.c (print_core): Don't print a reduction's lookahead
3209 set next to an item whose dot is not at the end of the RHS even if it
3210 happens to be associated with the same rule.
3212 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3214 Add %define lr.keep_unreachable_states.
3215 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
3216 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
3217 * src/main.c (main): Implement it.
3218 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3219 Extend to test it, and fix a typo.
3221 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3223 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
3224 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
3225 the example .output text.
3226 * tests/regression.at (Extra lookahead sets in report): Improve wording
3229 2007-10-17 Wojciech Polak <polak@gnu.org>
3231 * src/print-xml.c (print_grammar): Renamed
3232 <terminal> and <nonterminal> attributes:
3233 "type" to "number" and "symbol" to "name".
3234 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
3235 Use new attribute names.
3236 (xsl:template match="nonterminal"): Likewise.
3237 * data/xslt/xml2xhtml.xsl: Likewise.
3239 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
3241 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
3242 (Option Cross Key): Likewise.
3244 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
3245 next to an item whose dot is not at the end of the RHS even if it
3246 happens to be associated with the same rule.
3247 * src/print.c (print_core): Likewise.
3248 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
3249 (Resolved SR Conflicts): Update output.
3250 * tests/regression.at (Extra lookahead sets in report): New test case.
3252 2007-10-11 Wojciech Polak <polak@gnu.org>
3254 * src/print-xml.c (print_core): Remove item set
3256 * data/xslt/bison.xsl (bison:ruleNumber): New key.
3257 Improve processing time. Suggested by Joel E. Denny.
3258 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
3259 Write xsl:param "required" attribute as comment.
3260 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
3261 (xsl:template match="rule"): Support new reduced itemset.
3262 (xsl:template match="point"): Remove.
3263 * data/xslt/xml2xhtml.xsl: Likewise.
3265 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3267 * src/getargs.c (version): Update copyright year.
3269 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3271 Make xml2dot.xsl and --graph produce the same output.
3272 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a ` '
3273 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
3275 (xsl:template name="output-node"): Use the new escape template instead
3276 of the string-replace template directly.
3277 (xsl:template name="output-edge"): Likewise.
3278 (xsl:template name="escape"): New, escapes backslashes and newlines in
3279 addition to quotation marks.
3280 * src/graphviz.c (start_graph, output_node, output_edge): Add
3281 whitespace to output for legibility.
3283 Make xml2text.xsl and --report produce the same output, and remove the
3284 XML "conflicts" element since a conflict summary is easily extracted
3286 * data/xslt/bison.xsl: New.
3287 (xsl:template match="state" mode="bison:count-conflicts): New.
3288 * data/xslt/xml2text.xsl: Import bison.xsl.
3289 (xsl:template match="bison-xml-report"): Instead of styling the
3290 "conflicts" element, style the "automaton" element with mode
3291 "conflicts". Unlike the former, the latter lists S/R and R/R
3292 conflicts for a state on the same line.
3293 (xsl:template match="conflicts"): Remove.
3294 (xsl:template match="conflict"): Remove.
3295 (xsl:template match="terminal"): Line-wrap the list of rules in which
3296 the terminal is used.
3297 (xsl:template match="nonterminal"): Likewise for nonterminals.
3298 (xsl:template match="automaton" mode="conflicts"): New.
3299 (xsl:template match="state" mode="conflicts"): New.
3300 (xsl:template name="line-wrap"): New.
3301 (xsl:template name="ws-search"): New.
3302 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
3303 (xsl:template match="bison-xml-report"): Instead of styling the
3304 "conflicts" element, style the "automaton" element with mode
3306 (xsl:template match="conflicts"): Remove.
3307 (xsl:template match="conflict"): Remove.
3308 (xsl:template match="automaton" mode="conflicts"): New.
3309 (xsl:template match="state" mode="conflicts): New.
3310 * src/conflicts.c (conflicts_output_xml): Remove.
3311 * src/conflicts.h (conflicts_output_xml): Remove prototype.
3312 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
3313 * src/print.c (print_grammar): Consistently wrap at the 66th column so
3314 the corresponding XSLT is easier. Also, never wrap between a word and
3315 the comma that follows it.
3317 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3319 Improve C++ namespace support. Discussed starting at
3320 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
3321 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
3322 b4_namespace_close): New macros that interpret the %define variable
3323 "namespace" so its value can contain "::" to indicate nested
3325 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
3327 * data/lalr1.cc (b4_namespace): Likewise.
3328 * data/location.cc (b4_namespace): Likewise.
3329 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
3330 inside a new table in the general %define entry. Document `%define
3331 namespace' there as well. Point the %name-prefix entry to it since it
3332 explains it more completely in the case of C++.
3333 (C++ Bison Interface): Mention `%define namespace' instead of
3335 (Table of Symbols): Remove the `%define push_pull' entry. The %define
3337 * tests/c++.at (Relative namespace references): New test case.
3338 (Absolute namespace references): New test case.
3339 (Syntactically invalid namespace references): New test case.
3340 * tests/input.at (C++ namespace reference errors): New test case.
3342 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3344 Add syncline support and location accessor to internal %define
3346 * data/bison.m4 (b4_percent_define_get_loc): New.
3347 (b4_percent_define_get_syncline): New.
3348 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
3349 (b4_percent_define_default): Record defining location as line 1 rather
3350 than 0 for the sake of synchronizing #line's, and define
3351 b4_percent_define_syncline(VARIABLE).
3352 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
3353 * src/muscle_tab.c (muscle_syncline_grow): New.
3354 (muscle_code_grow): Use muscle_syncline_grow.
3355 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
3356 define b4_percent_define_syncline(VARIABLE).
3357 (muscle_percent_define_get_loc): New.
3358 (muscle_percent_define_get_syncline): New.
3359 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
3360 remove some unused variables.
3361 (muscle_percent_define_default): Record defining location as line 1
3362 rather than 0 for the sake of synchronizing #line's, and define
3363 b4_percent_define_syncline(VARIABLE).
3364 (muscle_percent_define_check_values): Use
3365 muscle_percent_define_get_loc.
3366 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
3367 (muscle_percent_define_get_syncline): Prototype.
3368 * tests/skeletons.at (%define Boolean variables: invalid skeleton
3369 defaults): Update output for location change.
3370 (Complaining during macro argument expansion): Extend to test
3371 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
3373 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
3375 Fix some error-reporting macro bugs.
3376 * data/bison.m4 (b4_cat): New.
3377 (b4_error, b4_error_at): Use b4_cat to send error directives directly
3378 to stdout so they don't become arguments to other macros. Update
3379 comments and add examples.
3380 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
3382 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
3383 after printing the error directive so that M4 doesn't report subsequent
3384 problems that are induced by this problem.
3385 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
3386 instead of just in them. Recognize @\n in both places. Both expand to
3387 the empty string. Needed by b4_cat.
3388 * tests/skeletons.at (Complaining during macro argument expansion):
3390 (Fatal errors make M4 exit immediately): New test case.
3392 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
3394 Implement --print-datadir.
3395 * src/getargs.c (usage): Mention.
3396 (PRINT_DATADIR_OPTION): New anonymous enum member.
3397 (long_options): Add entry for it.
3398 (getargs): Add case for it calling compute_pkgdatadir.
3399 * src/output.c (output_skeleton): Encapsulate data directory
3400 computation from here...
3401 (prepare): ... and from here...
3402 (compute_pkgdatadir): ... into this new function.
3403 * src/output.h (compute_pkgdatadir): Prototype.
3405 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
3407 * src/print-xml.c (escape_bufs): New static global variable
3409 (xml_escape_n): ... the static local variable buf here.
3410 (print_xml): Free memory for escape_bufs.
3411 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
3413 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
3415 Replace `%push-parser' and `%push-pull-parser' with
3416 `%define push_pull "push"' and `%define push_pull "both"'.
3417 `%define push_pull "pull"' is the default.
3418 * doc/bison.texinfo (Push Decl, Push Parser Function,
3419 Pull Parser Function, Parser Create Function, Parser Delete Function):
3420 Update declarations.
3421 (Decl Summary, Table of Symbols): Replace %push-parser and
3422 %push-pull-parser entries with a %define push_pull entry.
3423 * data/bison.m4 (b4_percent_define_check_values): New macro.
3424 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
3426 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
3428 * data/push.c: ... to here and compute them from the value of the
3429 %define variable push_pull.
3430 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
3431 parsing requests here...
3432 * data/yacc.c: ... hack this to switch to push.c any time
3433 b4_use_push_pull_flag or the %define variable push_pull is set. This
3434 will go away when we mv push.c yacc.c.
3435 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
3436 push parsing is not supported since unused %define variables are
3438 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
3439 * src/muscle_tab.h (muscle_percent_define_check_values): Update
3440 comments for consistency with b4_percent_define_check_values.
3441 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
3443 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
3445 (prologue_declaration): Remove %push-parser and %push-pull-parser
3447 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
3448 * tests/calc.at: Update declarations.
3449 * tests/input.at (%define enum variables): New test case.
3450 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
3452 (Push Parsing: Multiple impure instances): Update declaration.
3453 (Push Parsing: Unsupported Skeletons): New test case.
3454 * tests/torture.at (Exploding the Stack Size with Alloca): Update
3456 (Exploding the Stack Size with Malloc): Update declaration.
3458 2007-09-24 Wojciech Polak <polak@gnu.org>
3460 Add XSLT transformations.
3462 * data/xslt/xml2dot.xsl: Transform XML into DOT.
3463 * data/xslt/xml2text.xsl: Transform XML into plain text.
3464 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
3465 * data/Makefile.am (xsltdir): New variable.
3466 (dist_xslt_DATA): Add xslt/*.xsl files.
3468 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
3470 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
3471 Problem reported by Wojciech Polak.
3472 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
3473 (xml_printf): Undo change I made on 21 September; that is,
3474 indent 2 spaces, not 1.
3476 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
3478 Pacify ./configure --enable-gcc-warnings.
3479 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
3480 `char const *' instead of `char *'.
3481 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
3482 local variable `sep'.
3484 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3486 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
3488 * src/print-xml.c: Prefer "const" after types; that's more consistent.
3489 (xml_printf): Indent just 1 space for level.
3490 (e_char, xlate_char): Remove.
3491 (xml_escape_string): Rewrite to avoid undefined behavior (used
3492 storage that was freed from the stack).
3493 (xml_escape_n): Don't bother checking for subscript error.
3495 2007-09-21 Wojciech Polak <polak@gnu.org>
3497 Add Bison XML Automaton Report.
3499 Add support for an -x option to generate an XML report.
3500 It is not documented yet.
3501 * src/print-xml.c: New file.
3502 * src/print-xml.h: Likewise.
3503 * lib/timevar.def (TV_XML): New var.
3504 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
3505 * src/conflicts.c: Include print-xml.h.
3506 (solved_conflicts_xml_obstack): New var.
3507 (log_resolution, conflicts_solve, conflicts_free):
3508 Add support for XML report.
3509 (conflicts_output_val): New function.
3510 * src/conflicts.h (conflicts_output_val): New decl.
3511 * src/files.c (spec_xml_file): New var.
3512 (compute_output_file_names, output_file_names_free): Add XML support.
3513 * src/files.h (spec_xml_file): New decl.
3514 * src/getargs.c (xml_flag): New var.
3515 (usage, short_options, long_options, getargs): Add XML support.
3516 * src/getargs.h (xml_flag): New decl.
3517 * src/gram.c: Include print-xml.h.
3518 (rule_lhs_print_xml, rule_rhs_print_xml):
3519 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
3521 * src/gram.h: Declare external ones.
3522 * src/main.c: Include print-xml.h.
3523 (main): Add XML support.
3524 * src/reduce.c: Include print-xml.h.
3525 (reduce_xml): New function.
3526 * src/reduce.h: Declare it.
3527 * src/state.c: Include print-xml.h.
3528 (state_new): Add XML support.
3529 (state_rule_lookahead_tokens_print_xml): New function.
3530 * src/state.h: Declare it.
3531 (struct state): New member solved_conflicts_xml.
3532 * src/symtab.c (symbol_class_get_string): New function.
3533 * src/symtab.h: Declare it.
3535 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3537 * GNUmakefile: Switch to coreutils's version.
3538 * bootstrap: Likewise.
3539 * Makefile.cfg: Adjust to new GNUmakefile.
3540 * README-hacking: Likewise.
3544 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
3545 Bruno Haible <bruno@clisp.org>
3547 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
3548 and is a script that invokes bison. Tighten the code. Add comments.
3550 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
3552 Spell "boolean" as "Boolean". Reported by Akim Demaille.
3553 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
3554 * doc/bison.texinfo (Decl Summary): Fix.
3555 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
3556 * tests/input.at (Boolean %define variables): Update output.
3557 * tests/skeletons.at (%define boolean variables: invalid skeleton
3558 defaults): Rename to...
3559 (%define Boolean variables: invalid skeleton defaults): ... this and
3562 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
3564 In impure push mode, don't allow more than one yypstate to be allocated
3565 since multiple impure parsers would corrupt yynerrs.
3566 * data/push.c (yypstate_allocated): New static global variable
3568 (yypull_parse): If yypstate_new returns 0, don't report it as memory
3569 exhaustion if yypstate_allocated is 1, but still return 2.
3570 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
3571 already 1. Otherwise, set it to 1.
3572 (yypstate_delete): Set it to 0.
3573 * tests/push.at (Push Parsing: Multiple impure instances): New test
3576 2007-08-17 Bob Rossi <bob@brasko.net>
3578 * doc/bison.texinfo (Push Decl): Document the push parser.
3579 (Table of Symbols): Ditto.
3581 (Decl Summary): Ditto.
3582 (Multiple Parsers, Push Parser Function, Pull Parser Function,
3583 Parser Create Function, Parser Delete Function):
3584 Add new push parser symbols.
3585 (Table of Symbols): Document push-parser, push-pull-parser,
3586 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
3588 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
3591 * doc/gpl-3.0.texi: New file.
3592 * doc/gpl.texi: Remove.
3593 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
3594 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
3595 * README-hacking, TODO, bootstrap, bootstrap.conf:
3596 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
3597 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
3598 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
3599 * data/lalr1.cc, data/lalr1.java, data/location.cc:
3600 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
3601 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
3602 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
3603 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
3604 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
3605 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
3606 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
3607 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
3608 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
3609 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
3610 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
3611 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
3612 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
3613 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
3614 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
3615 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
3616 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
3617 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
3618 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
3619 * src/complain.c, src/complain.h, src/conflicts.c:
3620 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
3621 * src/files.h, src/flex-scanner.h, src/getargs.c:
3622 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
3623 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
3624 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
3625 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
3626 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
3627 * src/print.c, src/print.h, src/print_graph.c:
3628 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
3629 * src/reduce.h, src/relation.c, src/relation.h:
3630 * src/revision.h, src/scan-code.h, src/scan-code.l:
3631 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
3632 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
3633 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
3634 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
3635 * tests/Makefile.am, tests/actions.at, tests/c++.at:
3636 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
3637 * tests/existing.at, tests/glr-regression.at:
3638 * tests/headers.at, tests/input.at, tests/java.at:
3639 * tests/local.at, tests/output.at, tests/push.at:
3640 * tests/reduce.at, tests/regression.at, tests/sets.at:
3641 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
3645 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3647 Get rid of broken %no-parser, -n, and --no-parser implementation and
3649 * TODO: Don't mention them.
3650 * doc/bison.1: Likewise.
3651 * doc/bison.texinfo (Decl Summary): Likewise.
3652 (Bison Options): Likewise.
3653 (Option Cross Key): Likewise.
3654 * src/getargs.c (no_parser_flag): Remove global variable.
3655 (usage): Don't print description of -n and --no-parser.
3656 (long_options): Remove --no-parser entry here.
3657 (getargs): Remove -n case in the switch here.
3658 * src/getargs.h (no_parser_flag): Remove extern.
3659 * tests/regression.at (Web2c Actions): Remove comment that mentions
3662 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3664 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
3665 name user variables starting with `yy'. Just pass NULL instead of a
3666 dummy local &yylval to yypush_parse.
3667 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
3670 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
3672 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
3673 true since it's then always used regardless of whether yyoverflow is
3674 defined. Reported by Christian Burger at
3675 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
3676 * THANKS: Add Christian Burger.
3678 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3679 node names: say "Decl Summary" not "Bison Declaration Summary".
3681 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
3683 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
3684 determine whether this function has already complained about an invalid
3685 value for a %define boolean variable, don't check whether Bison has
3686 ever examined the value. As written, the check was a tautology.
3687 Instead, record and check for this complaint using a separate muscle.
3689 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3691 Fix push parsing memory leak reported by Brandon Lucia at
3692 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
3693 * THANKS: Add Brandon Lucia.
3694 * data/push.c (yypstate_delete): Free the stack if it was reallocated
3695 but the parse never completed and thus freed it.
3696 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
3697 * tests/testsuite.at: Include push.at.
3698 * test/push.at: New.
3699 (Push Parsing: Memory Leak for Early Deletion): New test case.
3701 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
3703 Improve handling of multiple S/R conflicts in the same state and of S/R
3704 conflicts involving multiple reductions.
3705 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
3706 set for a state here or Bison will abort if it is reassigned on a
3707 later conflicted reduction in the same state.
3708 Similarly, don't finalize and assign the solved conflicts report here
3709 or it will be lost if it is reassigned on a later conflicted reduction
3711 (set_conflicts): Instead, assign them both here after all S/R conflicts
3712 in the state have been fully examined.
3713 * src/print.c (shift_set): Rename to...
3714 (no_reduce_set): ... this.
3715 (print_reductions): Update for rename, and add %nonassoc error action
3716 tokens to no_reduce_set so that, when printing the first remaining
3717 reduction on an error action token, the reduction is enclosed in
3719 (print_results): Update for rename.
3720 * tests/conflicts.at (Solved conflicts report for multiple reductions
3721 in a state): New test case.
3722 (%nonassoc error actions for multiple reductions in a state): New test
3725 * src/main.c (main): Don't depend on C99 features.
3727 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3729 * build-aux/.cvsignore: Add compile.
3730 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
3733 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
3735 * bootstrap (slurp): Create target directories that don't exist.
3736 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
3738 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3740 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
3742 * closure.c (closure): Likewise.
3743 * state.h (reductions): Comment sorting of rules.
3744 (state): Comment sorting of items.
3746 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
3748 Fix C++ test cases after recent Gnulib changes. Discussed starting at
3749 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
3750 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
3751 definition in order to avoid Gnulib headers since we don't use config.h
3753 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
3754 rather than AT_DATA so that config.h is included.
3756 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
3758 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
3759 instead of fprintf. Guard these functions with #if YYDEBUG instead of
3760 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
3761 and so that YYFPRINTF is guaranteed to be defined here.
3763 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
3765 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
3767 (muscle_percent_define_check_values): ... this more helpful function.
3768 Again, it's not used yet, but it will be.
3769 * src/muscle_tab.h: Likewise.
3771 Improve some comments in parser table construction.
3772 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
3773 (generate_states): Don't mention ruleset, which is internal to closure.
3774 * src/closure.c (closure): Explain sorting of core and itemset, which
3775 is required for this function to behave correctly.
3776 * src/closure.h (closure): Mention sorting.
3778 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
3780 * src/lalr.c (state_lookahead_tokens_count): For code readability,
3781 move the check for disabled transitions to an aver since conflict
3782 resolution hasn't happened yet.
3784 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
3785 labels a state as inconsistent just because it has error transitions.
3786 The original form of this check appeared in revision 1.1 of lalr.c,
3787 which was committed on 1991-12-21. Now (at least), changing the
3788 consistency label on such a state appears to have no useful effect in
3789 any of the places it is examined, which I enumerate below. The key
3790 point to understanding each item in this enumeration is that a state
3791 with an error transition is labelled consistent in the first place only
3792 if it has no rules, so the check cannot matter for states that have
3793 rules. (1) Labelling a state as inconsistent will cause set_conflicts
3794 to try to identify its conflicts, and a state must have *rules* to have
3795 conflicts. (2) Labelling a state as inconsistent will affect how
3796 action_row sets the default *rule* for the state. (3) Labelling a
3797 state as inconsistent will cause build_relations to add lookback edges
3798 to *rules* in that state.
3799 * src/state.h (struct state): Word the comment for member consistent
3802 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3804 Don't depend on C99 features.
3805 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
3806 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
3807 * src/reader.c (check_and_convert_grammar): Fix for-loop.
3808 * src/state.c (state_mark_reachable_states): Fix for-loop.
3809 (state_remove_unreachable_states): Fix for-loop.
3811 Don't widen struct state with member reachable just to temporarily
3812 record reachability. Instead, use a local bitset.
3813 * src/state.h (struct state): Remove member.
3814 * src/state.c (state_new): Don't initialize it.
3815 (state_mark_reachable_states): Rename to...
3816 (state_record_reachable_states): ... this, and use bitset.
3817 (state_remove_unreachable_states): Use bitset.
3819 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
3821 * src/Makefile.am (yacc): Quote target action commands properly so
3822 that the yacc script isn't corrupt. Reported by Hans Aberg at
3823 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
3825 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
3826 the case of pure parsers. Reported by Frans Englich at
3827 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
3828 * THANKS: Add Frans Englich.
3830 * NEWS (2.3a+): In the %code entry, reference section `Bison
3831 Declaration Summary' from the manual now since the %code summary has
3833 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
3834 in the rules section must be terminated by semicolons.
3836 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
3838 Extend the front-end API for %define variables to more completely
3839 mirror the back-end. This will be useful in the future.
3840 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
3841 Update comments to mention the new front-end counterparts of these
3843 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
3844 for muscle_string_decode and muscle_location_decode.
3845 (muscle_string_decode): New static function.
3846 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
3847 (muscle_percent_define_get, muscle_percent_define_ifdef): New
3849 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
3850 muscle_percent_define_get to mimic the b4_percent_define_flag_if
3851 implementation more closely.
3852 (muscle_percent_define_invalid_value): New function.
3853 * src/muscle_tab.h (muscle_percent_define_get,
3854 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
3857 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3859 * NEWS (2.3a+): Mention yesterday's state-removal change.
3860 (2.3a): Remove the %language entry, which was added after 2.3a.
3861 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
3862 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
3863 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
3864 tests/existing.at: Update copyright date.
3866 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3868 If conflict resolution makes states unreachable, remove those states,
3869 report rules that are then unused, and don't report conflicts in those
3871 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
3872 New global function.
3873 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
3875 * src/main.c (main): After conflict resolution, remove the unreachable
3876 states and update all data structures that reference states by number.
3877 * src/state.c (state_new): Initialize each state's reachable member to
3879 (state_mark_reachable_states): New static function.
3880 (state_remove_unreachable_states): New global function.
3881 * src/state.h (struct state): Add member bool reachable.
3882 (state_remove_unreachable_states): Prototype.
3883 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3885 * tests/existing.at (GNU pic Grammar): Update test case output now that
3886 an unused rule is discovered.
3888 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3890 Minor code cleanup in parser table construction.
3891 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
3892 (new_itemsets, save_reductions): Update for rename to nitemset.
3893 * src/closure.c (nritemset): Rename to...
3894 (nitemset): ... this since the "r" appears to meaningless and isn't
3895 used in the comments.
3896 (closure): Update for rename.
3897 * src/closure.h (nritemset): Update extern to...
3898 (nitemset): ... this.
3899 * src/lalr.c (LA): Fix a typo in comments.
3900 * src/print.c (print_core): Update for rename to nitemset.
3901 * src/print_graph.c (print_graph): Likewise.
3902 * src/state.h: Fix some typos in header comments.
3904 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
3906 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
3907 still sticks to ASCII. Sorry!
3909 * README-hacking: New file, taken mostly from coreutils, with changes
3910 for Bison. Contains much of the contents of:
3911 * README-cvs: Remove.
3912 * bootstrap: Sync from gnulib.
3913 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
3914 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
3916 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
3918 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
3920 (Java Differences): Fix some typos.
3921 * THANKS: Add Sebastian Setzer.
3923 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
3925 * data/java.m4 (b4_single_class_if): Remove.
3926 (b4_abstract_if): Look at "%define abstract".
3928 (b4_union_name): Rename...
3929 (b4_yystype): ... to this. Map to "%define stype".
3930 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
3931 b4_maybe_throws): Fix quoting.
3932 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
3933 * data/lalr1.java (Lexer interface): Always define.
3934 (Lexer interface within parser class): Remove.
3935 (YYLexer class): New, used when "%code lexer" is present.
3936 (constructor): When "%code lexer" is used, pass %lex-param
3937 to the lexer constructor.
3938 (yylex, yyparse): Remove %lex-param from method invocations
3939 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
3941 * doc/bison.texinfo (Java Bison Interface): Mention "%define
3942 abstract". Rename "%define union_name" to "%define stype".
3943 Rename method names according to previous patch.
3944 (Java Scanner Interface): Describe "%code lexer" instead of
3945 "%pure-parser" and "%define single_class".
3946 (Java Differences): Mention "%code lexer".
3948 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
3949 Include scanner here, using macros from tests/local.at.
3950 (AT_DATA_CALC_Y): Remove final argument.
3951 (_AT_CHECK_JAVA_CALC): Likewise.
3952 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
3953 of %locations and %error-verbose.
3954 (main): Test with and without %lex-param.
3955 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
3956 (AT_BISON_OPTION_POPDEFS): Pop it.
3958 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3960 DJGPP spefic issue. Inhibit the use of disallowed characters for
3961 file name genertion on Win98, WinXP, etc. These are |<>":?*\
3962 and concern testsuite case 46.
3963 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
3964 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
3965 * djgpp/config.bat: Inhibit the use of disallowed characters.
3967 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
3969 Miscellaneous %define and %code cleanup.
3970 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
3971 values are interpreted.
3972 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
3973 documentation a little more.
3974 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
3975 muscle_percent_define_insert, muscle_percent_code_grow): New
3977 * src/muscle_tab.h (muscle_percent_define_insert,
3978 muscle_percent_code_grow): Prototype.
3979 * src/parse-gram.y (prologue_declaration): Use
3980 muscle_percent_define_insert and muscle_percent_code_grow when parsing
3981 %define and %code directives.
3983 Make it easy to share %define boolean variables between the front-end
3984 and back-end. Though not used yet, this will be useful in the future.
3985 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
3986 Bison uses of names rather than just skeleton uses of names.
3987 (b4_percent_define_get, b4_percent_define_ifdef): Rename
3988 b4_percent_define_skeleton_variables(VARIABLE) to
3989 b4_percent_define_bison_variables(VARIABLE).
3990 (b4_percent_code_get, b4_percent_code_ifdef): Rename
3991 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
3992 b4_percent_code_bison_qualifiers(QUALIFIER).
3993 (b4_check_user_names_wrap): Update for renames.
3994 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
3995 muscle_percent_define_default): New functions mimicking
3996 b4_percent_define_flag_if and b4_percent_define_default.
3998 For %define variables, report locations for invalid values and
4000 * data/bison.m4 (b4_percent_define_flag_if): Read
4001 b4_percent_define_loc(VARIABLE) to report the location of an invalid
4003 (b4_percent_define_default): Save a special location in
4004 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
4005 must later be reported as invalid.
4006 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
4008 (muscle_percent_define_insert): Record the location of VARIABLE in
4009 muscle percent_define_loc(VARIABLE), and use it to report the previous
4010 location for a redefinition.
4011 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
4012 (muscle_percent_define_default): Update like b4_percent_define_default.
4013 (muscle_grow_user_name_list): Rename to...
4014 (muscle_user_name_list_grow): ... this for consistency and use
4015 muscle_location_grow.
4016 * src/muscle_tab.h (muscle_location_grow): Prototype.
4017 * tests/input.at (%define errors): Update expected output.
4018 * tests/skeletons.at (%define boolean variables: invalid skeleton
4019 defaults): New test case.
4021 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
4023 * src/print.c (lookahead_set, state_default_rule): Remove.
4024 (print_reductions): Replace state_default_rule invocation with
4025 equivalent use of yydefact, which was computed in token_actions in
4027 (print_results): Don't allocate lookahead_set.
4029 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
4031 * data/lalr1.java: Prefix all private members with yy.
4033 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
4035 Use YYFPRINTF instead of fprintf where appropriate. Reported by
4036 Sebastien Fricker at
4037 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
4038 * THANKS: Add Sebastien Fricker.
4039 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
4040 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
4041 accept a variable number of arguments.
4043 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
4045 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
4047 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4049 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
4050 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
4051 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
4053 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
4055 Undo my 2007-02-07 change, switching back to the c-strcase module
4056 introduced in the 2007-02-03 change. Bruno Haible reported that
4057 the 2007-02-07 change would be dangerous in Turkish if we add a
4058 language whose name contains "i", since "i" is not lowercase "I"
4060 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
4061 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
4062 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
4063 * m4/.cvsignore: Remove strcase.m4.
4064 * src/getargs.c: Revert 2007-02-07 change, as follows.
4065 Include c-strcase.h.
4066 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
4068 2007-02-11 Bruno Haible <bruno@clisp.org>
4070 Enable the Java related testsuite tests when the only Java compiler
4071 found is a gcj < 4.3. Discussed at
4072 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
4073 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
4075 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
4077 * data/Makefile.am: Update copyright date.
4078 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
4079 yypstate_new returns NULL.
4080 (yypstate_new): Return NULL if malloc does.
4081 * src/reader.c (packgram): Move translation of rule actions from the
4082 beginning of packgram to...
4083 (check_and_convert_grammar): ... here right before packgram is invoked
4084 so it's easier to write more complete comments, and remove redundant
4087 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
4089 As in semantic actions, make @$ in %initial-action, %destructor, and
4090 %printer imply %locations.
4091 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
4093 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
4094 (@$ in %initial-action implies %locations,
4095 @$ in %destructor implies %locations,
4096 @$ in %printer implies %locations): ... these new test cases.
4098 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
4100 Undo most of the 2007-02-03 change, switching to the strcase module
4101 now that gnulib strcase has been fixed.
4102 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
4103 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
4104 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
4105 * m4/.cvsignore: Add strcase.m4.
4106 * src/getargs.c: Revert 2007-02-03 change, as follows.
4107 Don't include c-strcase.h.
4108 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
4109 strcasecmp has "unspecified behavior" outside the POSIX locale,
4110 but it works fine in practice if at least one argument is ASCII,
4111 as is the case in Bison.
4113 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
4115 * tests/java.at: Skip tests if only one of javac/java is present.
4116 Reported by Joel E. Denny.
4117 * tests/atlocal.in: Adjust copyright years.
4119 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
4121 * data/lalr1.java (Stack): Work around old verifiers that disallow
4122 access to the private fields of an inner class, from the outer class.
4123 We can make Stack's fields public because user code doesn't have access
4124 to the instance of Stack used by parse(). Reported by Paul Eggert.
4126 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
4128 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
4129 the right spot for these files?
4130 * bootstrap.conf (gnulib_modules): Add c-strcase.
4131 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
4133 * src/getargs.c: Include c-strcase.h.
4134 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
4135 to avoid unspecified behavior.
4137 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
4139 * doc/bison.texinfo (Decl Summary): Correct typo.
4141 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
4143 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
4144 Complain if the value does not match empty, "true" or "false".
4145 * data/c++.m4: Adjust default definitions of %define variables.
4146 * data/java.m4: Adjust default definitions of %define variables.
4147 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
4149 * tests/input.at (Boolean %define variables): Test new behavior.
4151 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
4153 * NEWS: Mention java.
4154 * TODO: Remove things that are done.
4155 * bootstrap.conf: Add javacomp-script and javaexec-script.
4156 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
4158 * data/Makefile.am: Add new files.
4159 * data/java-skel.m4: New.
4160 * data/java.m4: New.
4161 * data/lalr1.java: New.
4163 * doc/bison.texinfo: Put "A Complete C++ Example" under
4164 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
4165 under Other Languages.
4167 * src/getargs.c (valid_languages): Add Java.
4168 * src/getargs.h (struct bison_language): Update size of string fields.
4170 * tests/Makefile.am: Add java.at.
4171 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
4172 * tests/java.at: New.
4173 * tests/testsuite.at: Include it.
4175 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
4178 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
4179 at_directive_argv arguments so these no longer have to be global
4180 variables. Also, update the implementation for the following changes.
4181 (fail_for_at_directive_too_many_args,
4182 fail_for_at_directive_too_few_args): Add at_directive_name argument.
4183 (at_directive_name): Remove as at_directive_argv[0] will be used for
4185 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
4186 for the directive name.
4187 (at_directive_argc, at_directive_argv): Make these local within
4188 skel_lex instead of global.
4189 (INITIAL): Update directive start action for above changes.
4190 (SC_AT_DIRECTIVE_ARG): Rename to...
4191 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
4192 (SC_AT_DIRECTIVE_SKIP_WS): Update.
4193 (scan_skel): Move yylex_destroy to...
4194 (skel_scanner_free): ... here.
4195 * tests/skeletons.at (installed skeleton file name): Rename to...
4196 (installed skeleton file names): ... this.
4198 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
4200 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
4201 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
4202 Summary" not "Directives".
4203 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
4204 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
4205 since the former is now the more complete one.
4206 (Prologue Alternatives): Likewise and do the same for %defines.
4207 (Table of Symbols): Add summary of %code, add summary of %define, and
4208 move full %code documentation to...
4209 (Decl Summary): ... here for consistency with other entries in these
4211 Move %define entry in order to keep this list alphabetized.
4212 Reword %define entry a little to put less emphasis on the skeleton
4213 concept, which most users shouldn't have to think about.
4215 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
4217 Adjust to recent gnulib changes.
4218 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
4219 Add string.h, string_.h, unistd_.h, wchar_.h.
4220 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
4221 * src/system.h: Don't include <stpcpy.h>; this is now done by
4224 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
4226 Simplify implementation of unqualified %code, implement macros for
4227 uniform treatment of boolean %define flags. Document %define.
4228 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
4229 b4_percent_code_ifdef): New.
4230 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
4231 * data/c++.m4: Define default value for global_tokens_and_yystype.
4232 * data/glr.cc: Likewise.
4233 * data/location.cc: Use b4_percent_define_flag_if.
4235 * doc/bison.texinfo (Decl Summary): Document %define.
4237 * src/parse-gram.y (Unqualified %code): Change muscle name to
4239 (content.opt): Default to empty.
4241 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4243 Implement support for relative and absolute skeleton file names.
4244 Discussed starting at
4245 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
4246 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
4247 (Bison Options): Document in --skeleton entry.
4248 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
4249 full_skeleton can't necessarily hold all of pkgdatadir.
4250 If the specified skeleton file name contains a `/', don't prepend
4252 * src/parse-gram.y (prologue_declaration): If the specified skeleton
4253 file name contains a `/', prepend the grammar file directory.
4254 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
4255 * skeletons.at: New file.
4256 (relative skeleton file names): New test case.
4257 (installed skeleton file names): New test case.
4258 * tests/testsuite.at: Include skeletons.at.
4260 * bootstrap: Update copyright to 2007.
4262 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
4264 * bootstrap: Remove occurrences of .#bootmp from the files.
4266 2007-01-17 Akim Demaille <akim@epita.fr>
4268 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
4270 Use per-type %printer.
4272 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4274 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
4275 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4276 djgpp/config.site, src/files.c, src/files.h, src/main.c,
4277 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
4278 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
4279 tests/glr-regression.at, tests/input.at, tests/local.at,
4280 tests/output.at, tests/torture.at: Update copyright to 2007.
4282 2007-01-16 Akim Demaille <akim@epita.fr>
4284 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
4286 (Calc++ Scanner): Exit with failure if we can't open the input
4288 Accept "-" standing for stdin.
4289 (Calc++ Top Level): Print the result only if the parsing was
4292 2007-01-16 Akim Demaille <akim@epita.fr>
4294 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
4296 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
4297 and Joel E. Denny <jdenny@ces.clemson.edu>
4299 Clean up %define and %code implementation in M4 some. Most
4300 importantly, rename all related macros to be in the b4_percent_define
4301 and b4_percent_code namespaces. Also, complete support for `.' in
4302 %define variable names and %code qualifiers.
4303 * data/bison.m4 (b4_check_user_names): Check for special
4304 "SKELETON-NAMESPACE(name)" macros instead of using two nested
4306 (b4_get_percent_define, b4_get_percent_code): Rename to...
4307 (b4_percent_define_get, b4_percent_code_get): ... these.
4308 Extend documentation with examples.
4309 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
4310 b4_percent_define_skeleton_variables and
4311 b4_percent_code_skeleton_qualifiers.
4312 Expect any value for the %define variable `foo' to be stored in the
4313 macro named `b4_percent_define(foo)'; expect any %code blocks for the
4314 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
4315 expect any unqualified %code blocks to be stored in a macro named
4316 `b4_percent_code_unqualified'.
4317 Use m4_indir so that %define variable names and %code qualifiers can
4318 contain `.', which is allowed by the grammar parser.
4319 (b4_percent_define_default): New macro to set a default value for a
4321 (m4_wrap): Update wrapped code, and fix some underquoting.
4322 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
4323 Expect grammar uses of %define variables and %code qualifiers to be
4324 defined in b4_percent_define_user_variables and
4325 b4_percent_code_user_qualifiers.
4326 * data/c++.m4: Use b4_percent_define_default rather than
4327 m4_define_default. Fix some underquoting. Skeleton usage of %define
4328 variable define_location_comparison now implies skeleton usage of
4329 %define variable filename_type.
4330 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4331 data/push.c, data/yacc.c: Update macro names.
4332 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
4335 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4337 DJGPP specific issues.
4339 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
4340 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
4342 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4344 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
4345 run parsers in all tests so that Valgrind is invoked during
4346 maintainer-check-valgrind.
4347 (Duplicate representation of merged trees): Free all semantic values.
4348 (Duplicated user destructor for lookahead): Likewise.
4350 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4352 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
4353 command-line prefix.
4354 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
4355 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
4356 miss Valgrind messages.
4357 (Exploding the Stack Size with Malloc): Likewise.
4359 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4361 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
4362 locals. Reported by Juan Manuel Guerrero at
4363 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
4364 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
4365 Fix some indentation also.
4366 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
4367 explaining this issue.
4369 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
4370 and Joel E. Denny <jdenny@ces.clemson.edu>
4372 Simplify union and prologue handling, and escape union and lex/parse
4373 params with digraphs.
4374 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
4375 values to the empty string since these are no longer guaranteed
4376 initialized by the front-end.
4377 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
4378 braces around b4_user_stype since this is no longer done by the
4380 * src/files.c, src/files.h (pre_prologue_obstack,
4381 post_prologue_obstack): Remove.
4382 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
4383 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
4384 with digraphs. This fixes lex params and parse params.
4385 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
4386 * src/output.c (prepare): Remove muscle insertion of the prologues.
4387 (output): Remove freeing of pre_prologue_obstack and
4388 post_prologue_obstack.
4389 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
4390 than prologue_augment for prologue parsing so you don't need prologue
4392 (grammar_declaration): For %union RHS, use `braceless' instead of
4393 "{...}" so that braces are already stripped and code is escaped with
4395 * src/reader.c (prologue_augment): Remove.
4396 (reader): Remove initialization of pre_prologue_obstack and
4397 post_prologue_obstack.
4398 * src/reader.h (prologue_augment): Remove.
4400 * data/c.m4: Remove stray parenthesis.
4402 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4404 Remove quotes from variables names in %define directives and from
4405 qualifiers in %code directives, and restrict the characters that are
4406 allowed in them to M4-friendly ones. For %define, continue to support
4407 the quoted form as a deprecated feature. Discussed starting at
4408 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
4409 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
4411 * doc/bison.texinfo (Prologue Alternatives): Update.
4412 (Decl Summary): In %defines entry, update mention of `%code requires'
4413 and `%code provides'.
4414 (C++ Location Values): Update %define uses.
4415 (Calc++ Parser Interface): Likewise.
4416 (Calc++ Parser): Likewise, and update `%code requires' uses.
4417 (Table of Symbols): Update %code documentation.
4418 * src/parse-gram.y (prologue_declaration): For %define variables, use
4419 `variable' instead of `STRING'.
4420 (grammar_declaration): For %code qualifiers, use `ID' instead of
4422 (variable): New nonterminal that takes an `ID' or a `STRING'.
4423 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
4425 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
4426 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
4427 (%define errors): Update %define uses.
4429 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4431 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
4432 instead of muscle_insert for %define values so that M4-special
4433 characters are replaced with digraphs.
4434 * tests/input.at (%define errors): Extend to check weird values.
4436 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4438 Instead of having skeletons declare all valid %define variables and
4439 %code qualifiers, provide macros that retrieve the associated values
4440 and build these lists automatically. Thus Bison will now warn when a
4441 variable or qualifier is not used by the skeleton in the current
4442 invocation regardless of whether it might sometimes be used by that
4443 skeleton in other invocations. Also, move all %define value macros to
4444 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
4445 form, which is replaced by %code.
4446 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
4447 (b4_check_user_names): ... this, and change the series of valid name
4448 arguments to a single list argument for names used in the skeleton
4449 similar to the existing list argument for names used in the grammar.
4450 Warn instead of complaining.
4451 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
4452 values and %code code, to format %code code properly, and to build
4453 lists of all %define variables and %code qualifiers used in the
4454 skeleton: b4_skeleton_percent_define_variables and
4455 b4_skeleton_percent_code_qualifiers.
4456 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
4458 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
4459 the skeleton names lists can finish building first. In place of
4460 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
4461 expect the lists b4_user_percent_define_variables and
4462 b4_user_percent_code_qualifiers.
4463 * data/c++.m4: Where setting default values for b4_parser_class_name,
4464 b4_location_type, b4_filename_type, b4_namespace, and
4465 b4_define_location_comparison, update their names to the
4466 b4_percent_define_ namespace.
4467 * data/glr.c: Don't use b4_check_percent_define_variables and
4468 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4469 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
4470 (b4_parser_class_name, b4_namespace): Define these using
4471 b4_get_percent_define for parser_class_name and namespace.
4472 * data/location.cc: Use b4_get_percent_define.
4473 * data/push.c: Don't use b4_check_percent_define_variables and
4474 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4475 * data/yacc.c: Likewise, and don't call m4_exit in
4476 b4_use_push_for_pull_if or m4_wrap code will never execute.
4477 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
4479 (muscle_grow_user_name_list): ... this for consistency with the
4480 terminology used in bison.m4.
4481 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
4482 %define variable names, and rename muscle used_percent_define_variables
4483 to user_percent_define_variables.
4484 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
4485 user_percent_code_qualifiers.
4487 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
4488 {CODE} form is no longer accepted.
4489 * tests/input.at (Reject bad %code qualifiers): Rename to...
4490 (Reject unused %code qualifiers): ... this, and update test output.
4491 (%define error): Update test output.
4493 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
4495 Check for unrecognized %define variables similar to checking for
4496 unrecognized %code qualifiers. Check for redefined %define variables.
4497 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
4499 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
4500 (b4_check_percent_define_variables): New, also wraps it.
4501 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
4502 variables using b4_check_percent_define_variables.
4503 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
4504 all those exercised in the test suite and all those listed in the
4505 `Default values' section of c++.m4. Are there others?
4506 * data/push.c, data/yacc.c: Declare no valid %define variables.
4507 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
4508 similar to muscle_find, but it works even when the muscle stores a
4510 (muscle_grow_used_name_list): New function for constructing the used
4511 name list muscles that b4_check_for_unrecognized_names requires.
4512 * src/parse-gram.y (prologue_declaration): Warn if a variable is
4513 %define'd more than once. Define the b4_used_percent_define_variables
4514 muscle with muscle_grow_used_name_list.
4515 (grammar_declaration): Abbreviate %code code with
4516 muscle_grow_used_name_list.
4517 * tests/input.at (%define errors): New.
4519 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4521 Provide warn_at, complain_at, and fatal_at function callbacks to the
4522 skeletons, and use this for %code qualifier complaints.
4523 * data/bison.m4 (b4_error_at): New, invoked by...
4524 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
4525 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
4526 @fatal_at(...@) directives.
4527 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
4528 qualifiers in b4_used_percent_code_qualifiers and to use
4530 * src/location.c, src/location.h (boundary_set_from_string): New global
4532 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
4534 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
4535 to b4_used_percent_code_qualifiers.
4536 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
4538 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
4539 (lineno): Rename to...
4540 (out_lineno): ... this so I don't misunderstand it again.
4541 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
4542 here; these newlines are in the input but not the output file.
4543 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
4544 (at_directive_perform): ... this new static function, and add handling
4545 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
4547 * tests/input.at (Reject bad %code qualifiers): Update test output with
4548 locations and extend.
4550 * tests/output.at (Output file name: [, Output file name: ]): Remove
4551 bogus comment about these tests failing.
4553 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4555 Clean up b4_check_percent_code_qualifiers a little.
4556 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
4557 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
4558 documentation and add examples.
4559 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
4562 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
4564 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
4565 unreliable -- especially when they're hidden inside another macro.
4566 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
4567 data/c.m4: Remove m4_divert(-1).
4568 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4569 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
4570 m4_divert_push(0) and m4_divert_pop(0).
4571 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
4572 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
4573 pushed and popped by m4sugar, should be first on the stack.
4575 Provide warn, complain, and fatal function callbacks to the skeletons.
4576 This provides more flexibility than m4_fatal, improves the error
4577 message format, and captures messages for translation. Discussed
4579 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
4580 * data/bison.m4 (b4_error): New, invoked by...
4581 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
4582 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
4583 directives. Because these M4 macros might be called when the current
4584 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
4585 the previous removal of uses of m4_divert, which caused trouble.
4586 (b4_check_percent_code_qualifiers): Use b4_complain instead of
4587 m4_fatal to report unrecognized %code qualifiers.
4588 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
4589 push parser requests.
4590 * data/glr.c: Use b4_complain instead of m4_fatal to report
4591 non-deterministic push parser requests.
4592 Update @output usage to @output(...@) form.
4593 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
4594 report missing %defines. Update @output usage to @output(...@) form.
4595 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
4597 * src/main.c (main): Invoke skel_scanner_free.
4598 * src/scan-skel.h (skel_scanner_free): Prototype new function.
4599 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
4600 obstack_for_string from flex-scanner.h.
4601 (YY_DECL): Use to declare skel_lex static.
4602 (decode_at_digraphs): Remove; now handled in the new
4603 SC_AT_DIRECTIVE_ARG start condition.
4604 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
4606 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
4607 at_directive_argv): New static globals.
4608 (INITIAL): Use fail_for_invalid_at.
4609 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
4610 recognize the start of a generalized `@directive(...@)' form and
4612 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
4613 directive args (using the new obstack_for_string), to decode the
4614 contained @ diagraphs, and to perform the directive. It recognizes
4615 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
4617 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
4618 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
4620 (scan_skel): Initialize obstack_for_string on the first call.
4621 (skel_scanner_free): New function to free obstack_for_string.
4622 * tests/input.at (Reject bad %code qualifiers): Update test output.
4624 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
4626 Consolidate the 4 prologue alternative directives (%code, %requires,
4627 %provides, and %code-top) into a single %code directive with an
4628 optional qualifier field. Discussed at
4629 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
4630 * NEWS (2.3a+): Rewrite the existing entry for the prologue
4632 * doc/bison.texinfo (Prologue Alternatives): Update.
4633 (Decl Summary): Update to %code "requires" and %code "provides".
4634 (Calc++ Parser): Update to %code "requires".
4635 (Table of Symbols): Remove entries for %requires, %provides, and
4636 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
4637 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
4638 are replaced by b4_percent_code_provides and b4_percent_code_requires,
4639 which are skeleton-specific.
4640 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
4641 declare what %code qualifiers it supports and to complain if any other
4642 qualifiers were used in the grammar.
4643 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
4644 and b4_user_code([b4_percent_code_provides]) in place of
4645 b4_user_requires and b4_user_provides.
4646 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
4647 Add b4_user_code([b4_percent_code_top]) and
4648 b4_user_code([b4_percent_code]).
4649 Invoke b4_check_percent_code_qualifiers.
4650 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4651 PERCENT_REQUIRES): Remove.
4652 (grammar_declaration): Remove RHS's for %code-top, %provides, and
4653 %requires. Rewrite the %code RHS as the unqualified form defining the
4654 muscle b4_percent_code. Add another RHS for the qualified %code form,
4655 which defines muscles of the form b4_percent_code_QUALIFIER and the
4656 b4_used_percent_code_qualifiers muscle.
4657 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4658 PERCENT_REQUIRES): Remove.
4659 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
4660 %code "requires" and %code "provides".
4661 * tests/input.at (Reject bad %code qualifiers): New.
4663 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4665 Use the new code_props interface for destructors and printers.
4666 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
4667 printer_location members, and change the type of the destructor and
4668 printer members to code_props.
4669 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
4670 symbol_printer_get, semantic_type_destructor_set,
4671 semantic_type_printer_set, default_tagged_destructor_set,
4672 default_tagless_destructor_set, default_tagged_printer_set,
4673 default_tagless_printer_set): Use code_props in arguments and return
4674 types in place of char const * and location.
4675 (symbol_destructor_location_get, symbol_printer_location_get): Remove
4676 since the locations are now contained in the return of
4677 symbol_destructor_get and symbol_printer_get.
4678 * src/output.c (symbol_destructors_output, symbol_printers_output):
4680 (symbol_code_props_output): ... this to eliminate duplicate code.
4681 (output_skeleton): Update to use symbol_code_props_output.
4682 * src/reader.c (symbol_should_be_used): Update use of
4683 symbol_destructor_get.
4684 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
4685 Update uses of the various _destructor_set and _printer_set functions.
4686 * src/symtab.c: (default_tagged_destructor_location,
4687 default_tagless_destructor_location, default_tagged_printer_location,
4688 default_tagless_printer_location): Remove since we...
4689 (default_tagged_destructor, default_tagless_destructor,
4690 default_tagged_printer, default_tagless_printer): ... change the type
4691 of these to code_props.
4692 (symbol_new, semantic_type_new, symbol_destructor_set,
4693 semantic_type_destructor_set, symbol_destructor_get,
4694 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
4695 symbol_check_alias_consistency, default_tagged_destructor_set,
4696 default_tagless_destructor_set, default_tagged_printer_set,
4697 default_tagless_printer_set): Update.
4698 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
4699 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
4701 (symbol_print): Use SYMBOL_CODE_PRINT.
4703 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4705 Use the new code_props interface for rule actions.
4706 * src/symlist.h (symbol_list): Replace action, action_location, and
4707 used members with a code_props action_props member.
4708 * src/reader.c (symbol_should_be_used, grammar_rule_check,
4709 grammar_midrule_action, grammar_current_rule_merge_set,
4710 grammar_current_rule_symbol_append, packgram): Update.
4711 * src/scan-code.h (translate_rule_action): Remove, no longer used.
4712 * src/scan-code.l (handle_action_dollar): Update.
4713 (translate_rule_action): Remove, no longer used.
4714 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
4716 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4718 Use the new code_props interface in parse-gram.y.
4719 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
4720 Update all uses of translate_* functions to use the new code_props
4721 interface and to use gram_scanner_last_string_free and
4722 code_scanner_last_string_free where possible.
4723 (grammar_declaration): symbol_list_destructor_set and
4724 symbol_list_printer_set now perform the translation, so don't do it
4725 here. Use gram_scanner_last_string_free where possible.
4726 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
4727 translate_code): Remove, no longer used.
4728 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
4729 symbol_list_printer_set): Perform code translation here rather than
4730 depending on the caller to do so.
4732 * src/symlist.h (struct symbol_list): Correct some documentation typos.
4733 * src/scan-gram.h (gram_last_string): Remove declaration.
4734 * src/scan-gram.l (last_string): Declare it static.
4736 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4738 Encapsulate code properties and related functionality for the various
4739 destructors, printers, and actions into a code_props structure and
4740 interface. This patch merely implements code_props in scan-code.h and
4741 scan-code.l. Future patches will rewrite other modules to use it.
4742 Discussed starting at
4743 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
4744 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
4745 consistently initialize const structs that have an empty location
4747 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
4748 to ensure consistency.
4749 * src/scan-code.h (code_props): New structure.
4750 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
4751 function, macro, and const global variable for initializing a
4752 code_props with no code.
4753 (code_props_plain_init, code_props_symbol_action_init,
4754 code_props_rule_action_init, code_props_translate_code): The rest of
4755 the new code_props functional interface. Among other things, the init
4756 functions set the code_props kind field so that
4757 code_props_translate_code will know whether to behave like
4758 translate_symbol_action, translate_rule_action, or translate_code.
4759 These old translate functions must remain until all other modules are
4760 updated to use the new code_props interface.
4761 (code_scanner_last_string_free): New function similar to
4762 gram_scanner_last_string_free.
4763 (code_scanner_free): Add documentation.
4764 * src/scan-code.l: Implement the new interface.
4765 (code_lex): Make it static, add a code_props* argument, and remove the
4767 (last_string): New static global similar to the one in scan-gram.l.
4768 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
4770 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
4771 code_props since Bison may one day use this information for destructors
4773 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
4774 (handle_action_dollar): Use symbol_list_n_get and set used flag
4775 directly since symbol_list_n_used_set is removed.
4776 (translate_action): Add a code_props* argument and remove the rule,
4777 action, and location arguments. Pass the code_props* on to code_lex.
4778 (translate_rule_action, translate_symbol_action, translate_code):
4779 Rewrite as wrappers around the new code_props interface.
4780 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
4781 it would eventually need to break the encapsulation of code_props.
4783 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4785 * etc/.cvsignore: New.
4787 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4789 Add maintainer-push-check to run maintainer-check using push parsing in
4790 place of pull parsing where available.
4791 * Makefile.am (maintainer-push-check): New.
4792 * data/bison.m4 (b4_use_push_for_pull_if): New.
4793 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
4794 appropriately based on their existing values.
4795 (yypush_parse): Don't print push-parser-specific diagnostics if push
4796 parsing is being used in place of pull parsing.
4797 * data/yacc.c: If push parsing should replace pull parsing, redirect to
4799 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
4800 variable, and insert b4_use_push_for_pull_flag into muscles.
4801 * tests/Makefile.am (maintainer-push-check): New.
4803 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4805 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
4806 (whether successful or failed) so that yypush_parse can be invoked
4807 again to start a new parse using the same yypstate.
4808 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
4809 check multiple yypull_parse invocations on the same yypstate. For pull
4810 mode, extend to check multiple yyparse invocations.
4811 (Exploding the Stack Size with Alloca): Extend to try with
4813 (Exploding the Stack Size with Malloc): Likewise.
4815 * tests/calc.at (Simple LALR Calculator): Don't specify
4816 %skeleton "push.c" since %push-pull-parser implies that now.
4817 * tests/headers.at (export YYLTYPE): Don't check for the push
4818 declarations. Otherwise, this test case can't be used to see if push
4819 mode can truly emulate pull mode.
4820 * tests/input.at (Torturing the Scanner): Likewise.
4821 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
4822 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
4823 AT_YACC_IF, which now includes the case of push mode since %skeleton
4824 need not be used for push mode. This will be more intuitive once
4825 push.c is renamed to yacc.c.
4827 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4829 For push mode, convert yyparse from a macro to a function, invoke yylex
4830 instead of passing a yylexp argument to yypull_parse, and don't
4831 generate yypull_parse or yyparse unless %push-pull-parser is declared.
4832 Discussed starting at
4833 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
4834 * data/bison.m4 (b4_pull_if): New.
4835 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
4836 * data/push.c: Improve M4 quoting a little.
4837 (b4_generate_macro_args, b4_parenthesize): Remove.
4838 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
4839 any time a pull parser is requested.
4840 Don't #define this as a wrapper around yypull_parse. Instead, when
4841 both push and pull are requested, make it a function that does that
4843 (yypull_parse): If there's a b4_prefix, #define this to
4844 b4_prefix[pull_parse] when both push and pull are requested.
4845 Don't define this as a function unless both push and pull are
4847 Remove the yylexp argument and hard-code yylex invocation instead.
4848 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
4850 * src/getargs.c (pull_parser): New global initialized to true.
4851 * getargs.h (pull_parser): extern it.
4852 * src/output.c (prepare): Insert pull_flag muscle.
4853 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
4854 (prologue_declaration): Set both push_parser and pull_parser = true for
4855 %push-pull-parser. Set push_parser = true and pull_parser = false for
4857 * src/scan-gram.l: Don't accept %push_parser as an alternative to
4858 %push-parser since there's no backward-compatibility concern here.
4859 Scan %push-pull-parser.
4860 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
4861 instead of %push-parser.
4862 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
4863 prototype it in the module that calls yyparse.
4864 * tests/input.at (Torturing the Scanner): Likewise.
4865 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
4867 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
4869 Update etc/bench.pl. Optimize push mode a little (the yyn change
4870 deserves most of the credit).
4871 * Makefile.am (SUBDIRS): Add etc subdirectory.
4872 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
4873 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
4874 yytoken, yyval, and yyloc declarations to...
4875 (yyparse or yypush_parse): ... here to improve performance. For
4876 yypush_parse invocations after the first, be sure to assign yyn its old
4878 (yypstate_new): Don't bother initializing the yyresult field since the
4879 initial value isn't used.
4880 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
4881 remove the #define that, in push mode, set it to yyps->NAME.
4882 * etc/Makefile.am: New.
4883 * etc/bench.pl: Remove and build it instead from...
4884 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
4885 "tests/bison" from the build directory by default rather than just
4886 invoking "bison" from $PATH.
4887 (calc_grammar): Update push parser code: don't declare yylval globally,
4888 don't define yyparse_wrapper, and don't #define yyparse.
4889 (bench_grammar): Update to check all working combinations of yacc.c,
4890 push.c, impure, pure, pull, and push.
4892 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4894 For push mode, add pull wrappers around yypush_parse.
4895 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
4896 (yypull_parse): New function wrapping yypush_parse.
4897 (yyparse): New #define wrapping yypull_parse.
4898 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
4900 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
4901 prototype yylex in the module that calls yyparse, and don't prototype
4902 yyparse there. Otherwise, the yyparse expansion won't compile.
4903 * tests/input.at (Torturing the Scanner): Likewise.
4905 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4907 Enable push parsers to operate in impure mode. Thus, %push-parser no
4908 longer implies %pure-parser. The point of this change is to move
4909 towards being able to test the push parser code by running the entire
4910 test suite as if %push-parser had been declared.
4911 * data/push.c (yypush_parse): For impure mode, remove the
4912 yypushed_char, yypushed_val, and yypushed_loc arguments.
4913 Instead, declare these as local variables initialized to the global
4914 yychar, yylval, and yylloc.
4915 For the first yypush_parse invocation only, restore the initial values
4916 of these global variables when it's time to read a token since they
4917 have been overwritten.
4918 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
4920 * tests/calc.at (Simple LALR(1) Calculator): Always declare
4921 %pure-parser along with %push-parser since this test case was designed
4922 for pure push parsers.
4923 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
4924 (AT_YACC_OR_PUSH_IF): New.
4925 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
4926 add a note that it's still wrong for some cases (as it has been for a
4928 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
4929 %push-parser no longer implies %pure-parser.
4931 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4933 Remove some unnecessary differences between the pull parser code and
4934 the push parser code. This patch enables yynerrs in push mode.
4935 * data/push.c: Reformat M4 a little.
4936 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
4937 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
4938 because push mode is on. Instead, if pure mode is on, move yynerrs
4940 (b4_declare_parser_state_variables): ... here.
4941 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
4942 to yyps->NAME so it can be used in yypush_parse.
4943 (yypush_parse): Don't omit uses of yynerrs in push mode.
4945 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4947 Fix bug such that the first pushed token's value and location are
4948 sometimes overwritten (sometimes by %initial-action) before being used.
4949 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
4950 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
4951 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
4952 more closely mimic the pull parser logic.
4953 Don't copy the pushed token to yychar, yylval, and yylloc until it's
4954 time to read a token, which is after any initialization of yylval and
4956 (gottoken): Rename label to...
4957 (yyread_pushed_token): ... for clarity and to avoid infringing on the
4960 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4962 Rearrange initialization of the parser state variables so that the
4963 skeleton doesn't have to have a copy for pull mode and another for push
4964 mode. This patch also fixes at least a bug such that yylloc was not
4965 initialized (with b4_location_initial_line and
4966 b4_location_initial_column) upon calling yypush_parse. However, that
4967 initialization now overwrites the first token's location;
4968 %initial-action assigning @$ already did the same thing, and both bugs
4969 will be fixed in a later patch.
4970 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
4971 (b4_declare_parser_state_variables): Remove initialization of yytoken,
4972 yyss, yyvs, yyls, and yystacksize.
4973 (yypstate_new): Remove initialization of some yypstate fields: yystate,
4974 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
4976 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
4977 yyps->NAME so it can be used in yypush_parse.
4978 (yyparse or yypush_parse): For yypush_parse, don't print the
4979 "Starting parse" diagnostic for invocations after the first.
4980 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
4981 yypush_parse, only do it for the first invocation.
4982 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
4983 initialization to occur in yypush_parse but only on the first
4986 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4988 * data/push.c: Add CPP guards around push parser declarations in both
4989 the header and the code file.
4990 In the code file, move the push parser declarations to the same place
4991 they appear in the header file.
4992 Clean up the M4 some, especially the inconsistent underquoting in
4993 some b4_c_function_def and b4_c_function_decl uses.
4995 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4997 Encapsulate the push parser state variables into an M4 macro so the
4998 push skeleton doesn't have to list them again for pull mode's yyparse.
4999 For push mode, remove yypush_parse's local equivalents of these
5000 variables to eliminate unnecessary copying between the two sets at
5001 run-time. This patch also fixes at least a bug related to multiple
5002 %initial-action invocations in push mode.
5003 * data/push.c (b4_declare_parser_variables): Rename to...
5004 (b4_declare_scanner_communication_variables): ... this for clarity and
5006 (b4_declare_yyparse_variables): Remove and move its contents to the one
5007 spot where it was invoked.
5008 (b4_declare_parser_state_variables): New macro containing the parser
5009 state variables required by push mode.
5010 (struct yypstate): Replace all fields but yynew with
5011 b4_declare_parser_state_variables.
5012 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
5013 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
5014 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
5015 (yyparse or yypush_parse): For yyparse in pull mode, replace local
5016 parser state variable declarations with
5017 b4_declare_parser_state_variables.
5018 Don't initialize parser state variables when calling yypush_parse since
5019 yypstate_new already does that.
5020 Invoke the user's initial action only upon the first yypush_parse
5022 Remove all code that copies between the local parser state variables
5025 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
5027 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
5028 prevent a name collision in a future patch where these names will
5029 sometimes be #define'd.
5030 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
5031 since it no longer has the same name as the existing argument.
5032 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
5034 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
5035 and Joel E. Denny <jdenny@ces.clemson.edu>
5037 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
5038 that the argument is case-insensitive, and there's no `=' here.
5039 For the %skeleton entry, mention that %language is better.
5040 (Bison Options): Likewise for --language and --skeleton. Move the
5041 --skeleton entry so that the `Tuning the parser' section is sorted
5042 alphabetically on long options.
5043 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
5044 %language directive in detail here; cross-reference the %language
5045 documentation instead.
5046 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
5047 `%require "2.3b"' so that the example is always up-to-date.
5048 (Table of Symbols): Add entries for %language and %skeleton.
5049 * examples/extexi (normalize): Instead of replacing every %require
5050 argument with the current Bison version, just substitute for
5051 `@value{VERSION}'. This guarantees that we're testing what actually
5052 appears in the documentation.
5053 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
5054 rather than `@VERSION@'.
5056 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
5058 * NEWS: Reword the %language news a bit, and put it earlier.
5060 * src/getargs.c (skeleton_arg): Last arg is now location const *.
5061 Rewrite to simplify the logic.
5062 (language_argmatch): Likewise.
5063 (program_name): We now own this var.
5064 * src/getargs.h (struct bison_language): Use char[] rather than
5067 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
5069 * src/complain.c (program_name): Remove decl; no longer needed.
5070 * src/main.c (program_name): Remove; now belongs to getargs.
5072 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
5074 * NEWS: Document %language.
5076 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
5078 * data/c-skel.m4, data/c++-skel.m4: New files.
5079 * data/glr.c: Complain on push parsers.
5081 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
5083 (Decl Summary): Document %language and %skeleton.
5084 (Command line): Document -L.
5086 * examples/extexi: Rewrite %require directive.
5087 * examples/calc++/Makefile.am: Pass VERSION to extexi.
5089 * src/files.c (compute_exts_from_gc): Look in language structure
5091 (compute_file_name_parts): Check whether .tab should be added.
5092 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
5093 (language, skeleton_arg, language_argmatch): New.
5094 (long_options): Add --language.
5095 (getargs): Use skeleton_arg, add -L/--language.
5096 * src/getargs.h: Include location.h.
5097 (struct bison_language, language, skeleton_arg, language_argmatch): New.
5098 * src/output.c (prepare): Pick default skeleton from struct language.
5099 Don't dispatch C skeletons here.
5100 * src/parse-gram.y (PERCENT_LANGUAGE): New.
5101 (prologue_declaration): Add "%language" rule, use skeleton_arg.
5102 * src/scan-gram.l ("%language"): New rule.
5104 * tests/calc.at: Test %skeleton and %language.
5105 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
5106 (AT_GLR_IF): Look for %skeleton "glr.cc".
5107 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
5108 (AT_YACC_IF): Reject %language.
5110 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
5112 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
5113 since it wasn't used; only the typedef name 'semantic_type' is needed.
5114 Also, omit trailing white space.
5116 * bootstrap: Sync from coreutils.
5117 (gnulib_extra_files): Add build-aux/announce.gen.
5118 (slurp): Adjust .gitignore files like .cvsignore files.
5119 * build-aux/announce-gen: Remove from CVS, since bootstrap
5122 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
5124 Make %push-parser imply %pure-parser. This fixes several bugs; see
5125 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
5126 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
5128 * data/push.c: Don't bother testing b4_push_if when deciding whether
5129 to expand b4_declare_parser_variables globally.
5130 (yypush_parse): Likewise in here.
5132 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
5133 (yy_reduce_print): Reformat M4 for readability.
5135 2006-12-15 Bob Rossi <bob@brasko.net>
5136 and Joel Denny <jdenny@ces.clemson.edu>
5138 * data/push.c (yypstate): Add typedef, and update all uses of
5139 struct yypstate to just yypstate.
5140 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
5142 2006-12-14 Bob Rossi <bob@brasko.net>
5144 * data/push.c (yypush_parse): Declare prototype regardless of
5147 2006-12-14 Bob Rossi <bob@brasko.net>
5149 * data/push.c (yyparse): Remove the prototype and the #define when in
5152 2006-12-13 Bob Rossi <bob@brasko.net>
5154 * data/push.c (yypstate_init): Rename to...
5155 (yypstate_new): ... this and use b4_c_function_def.
5156 (yypstate_delete): New.
5157 (yypush_parse): Change parameters yynval and yynlloc to be const.
5158 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
5159 yypstate_delete functions.
5161 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
5163 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
5164 strange test case titles. Reported by Bob Rossi.
5166 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
5168 * TODO: Add pointer to Sylvain Schmitz's work on static detection
5169 of potential ambiguities in GLR grammers.
5171 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
5173 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
5174 `bison ', use m4_index instead of m4_substr since chopping up a string
5175 containing M4-special characters causes problems here.
5177 Fix a couple of bugs related to special characters in user-specified
5178 file names, and make it easier for skeletons to compute output file
5179 names with the same file name prefix as Bison-computed output file
5181 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
5182 b4_parser_file_name and b4_spec_defines_file instead of
5183 @output_parser_name@ and @output_header_name@, which are now redundant.
5184 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
5185 b4_parser_file_name, b4_spec_defines_file, and the new
5186 @basename(FILENAME@) instead of @output_parser_name@ and
5187 @output_header_name@, which inappropriately escaped the file names as
5189 * src/files.c (all_but_ext): Remove static qualifier.
5190 (compute_output_file_names): Move `free (all_but_ext)' to...
5191 (output_file_names_free): ... here since all_but_ext is needed later.
5192 * src/files.h (all_but_ext): Extern.
5193 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
5194 exactly what MUSCLE_INSERT_STRING used to do.
5195 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
5196 characters are escaped properly.
5197 * src/output.c (prepare): Define muscle file_name_all_but_ext as
5199 For pkgdatadir muscle, maintain previous functionality by using
5200 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
5201 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
5202 digraphs would never be expanded. Hopefully no one has M4-special
5203 characters in his Bison installation path.
5204 * src/scan-skel.l: Don't parse @output_header_name@ and
5205 @output_parser_name@ anymore since they're now redundant.
5206 In @output, use decode_at_digraphs.
5207 Parse a new @basename command that invokes last_component.
5208 (decode_at_digraphs): New.
5209 (BASE_QPUTS): Remove unused.
5210 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
5211 (Output file name): New tests.
5213 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
5215 Warn about output files that are generated by the skeletons and that
5216 conflict with other output files.
5217 * data/glr.c: Don't generate the header file here when glr.cc does.
5218 * src/files.c (file_names, file_names_count): New static globals.
5219 (compute_output_file_names): Invoke output_file_name_check for files
5220 not generated by the skeletons and remove existing checks.
5221 (output_file_name_check): New function that warns about conflicting
5223 (output_file_names_free): Free file_names.
5224 * src/files.h (output_file_name_check): Declare.
5225 * src/scan-skel.l: Invoke output_file_name_check for files generated by
5227 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
5228 (Conflicting output files): New tests.
5230 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5232 * doc/bison.texinfo: Fix a couple of typos.
5234 2006-12-08 Bob Rossi <bob@brasko.net>
5236 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
5238 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
5240 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
5241 (yypush_parse): Rename yypvars argument to yyps and remove redundant
5243 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
5244 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
5246 2006-12-07 Bob Rossi <bob@brasko.net>
5247 and Joel Denny <jdenny@ces.clemson.edu>
5249 * data/push.c (yypvarsinit): Change return type from void* to struct
5250 yypvars*. No longer cast to void* on return.
5251 (struct yypvars): Remove yylen since it need not be remembered between
5252 yypushparse invocations.
5253 (yypushparse): Don't copy between yylen and pv->yylen.
5255 2006-12-05 Bob Rossi <bob@brasko.net>
5257 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
5258 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
5259 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
5260 (struct yypvars): Remove b4_declare_parser_variables.
5261 (yypvarsinit): Remove init code for removed variables.
5262 (global scope): Do not declare b4_declare_parser_variables if
5264 (yypushparse): Add b4_declare_parser_variables.
5265 Init new local variables, and remove init code for removed
5268 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
5269 and yyparse for other modes.
5270 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
5271 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
5272 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
5273 (AT_PURE_LEX_IF): True if pure or push parser.
5275 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
5277 Document Yacc prologue alternatives and default %destructor's and
5278 %printer's as experimental. Don't mention Java yet. Discussed at
5279 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
5280 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
5281 (2.3a): Annotate this entry to say the old forms of these features were
5283 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
5284 Table of Symbols): Say they're experimental. Comment out any mention
5285 of Java (we'll want this back eventually).
5287 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
5289 Support a file name argument to %defines. Deprecate `=' in
5290 %file-prefix, %name-prefix, and %output. Discussed at
5291 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
5292 * NEWS (2.3a+): Mention.
5293 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
5294 form of %defines, and remove `=' from entries for %file-prefix,
5295 %name-prefix, and %output.
5296 * src/parse-gram.y (prologue_declaration): Implement.
5297 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
5298 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
5299 all but one occurrence of %name-prefix.
5300 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
5301 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
5302 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
5303 occurrence of each of %file-prefix and %output. Add check for %defines
5305 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
5306 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
5307 Remove the `=' from %output.
5309 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
5311 Don't escape $ in test case titles since Autoconf 2.61 now does that
5313 * tests/actions.at (Default %printer and %destructor are not for error
5314 or $undefined): Here.
5315 (Default %printer and %destructor are not for $accept): Here.
5316 * tests/input.at (Invalid $n and @n): Here.
5318 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
5320 Rename <!> to <>. Discussed starting at
5321 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
5322 * NEWS (2.3a+): Update.
5323 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
5325 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
5326 * src/scan-gram.l (INITIAL): Implement.
5327 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
5328 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
5330 * tests/actions.at (Default tagless %printer and %destructor,
5331 Default tagged and per-type %printer and %destructor,
5332 Default %printer and %destructor are not for error or $undefined,
5333 Default %printer and %destructor are not for $accept,
5334 Default %printer and %destructor for mid-rule values): Update.
5335 * tests/input.at (Default %printer and %destructor redeclared,
5336 Unused values with default %destructor): Update.
5338 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
5340 Don't let %prec take a nonterminal.
5341 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
5343 * tests/input.at (%prec takes a token): New test checking that %prec
5344 won't take a nonterminal.
5346 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5348 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
5349 it was double-quoted.
5350 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
5351 grammar is maintained with Bison's highest standards.
5352 * src/getargs.c: Fix some typos in Doxygen comments.
5354 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5356 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
5357 later. Reported by Paul Eggert in
5358 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
5359 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
5360 * src/scan-code.l (translate_action): Don't bother invoking
5361 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
5362 (code_scanner_free): Instead of invoking
5363 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
5365 * src/scan-gram.l (gram_scanner_free): Likewise.
5366 * src/scan-skel.l (scan_skel): Likewise.
5368 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
5370 * src/files.c (tr): Change return type to void.
5371 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
5372 has been called previously for the same key.
5373 (muscle_find): Return storage instead of value so that
5374 --enable-gcc-warnings doesn't produce warnings that the return discards
5375 const. aver that the value and storage are the same since storage
5376 could potentially be NULL when value is not.
5377 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
5380 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5382 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
5383 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
5384 us a slightly cleaner distribution, and also works.
5385 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
5388 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
5389 and Paul Eggert <eggert@cs.ucla.edu>
5391 Don't let Bison leak memory except when it complains.
5392 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
5393 (spec_defines_file, dir_prefix): Now char *, not const char *,
5394 since they are freed.
5395 * src/files.c: Likewise.
5396 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
5398 (tr): Now operates in-place. All uses changed.
5399 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
5401 (compute_file_name_parts, compute_output_file_names): Don't store
5402 read-only data in variables that will be freed.
5403 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
5404 src_extension, and header_extension.
5405 (output_file_names_free): New public function to free
5406 spec_verbose_file, spec_graph_file, spec_defines_file,
5407 parser_file_name, and dir_prefix.
5408 * src/getargs.c (getargs): Don't store read-only data in variables that
5410 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
5411 (which previously existed but was unused), and quotearg_free.
5412 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
5413 * src/muscle_tab.c: Likewise.
5414 (muscle_entry): Make the value char const *,
5415 and add a new storage member that is char * and can be freed.
5416 (muscle_entry_free): New private function.
5417 (muscle_init): Use it instead of free.
5418 (muscle_insert, muscle_grow): Update and use new storage member.
5419 (muscle_code_grow): Free the string passed to muscle_grow
5420 since it's not needed anymore.
5421 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
5422 add a new `char *code' member.
5423 ("{...}"): Declare semantic type as code.
5424 * src/scan-code.h (translate_rule_action):
5425 (translate_symbol_action, translate_code, translate_action): Return
5426 `char const *' rather than `char *' since external code should not free
5428 * src/scan-code.l: Likewise.
5429 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
5430 which is "{...}" in the parser.
5431 * tests/Makefile.am (maintainer-check-valgrind): Set
5432 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
5434 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
5436 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
5437 expecting a non-zero exit status sets --leak-check=summary and
5438 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
5439 this case, and we don't want to hear about it.
5441 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5443 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
5444 instead of from the template, to simplify configuration a bit.
5445 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
5446 and m4/wint_t.m4, as they are needed with the latest gnulib.
5448 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5450 Disable unset/unused mid-rule value warnings by default, and recognize
5451 --warnings=midrule-values to enable them. Discussed starting at
5452 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
5453 * NEWS (2.3a+): Mention.
5454 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
5455 warnings): Add entry for midrule-values subargument.
5456 * src/reader.c (symbol_should_be_used): Don't return true just because
5457 the value is a set/used mid-rule value unless
5458 --warnings=midrule-values was specified.
5459 * tests/input.at (Unused values, Unused values before symbol
5460 declarations): Run tests with and without --warnings=midrule-values.
5462 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
5463 than LIST_FREE directly.
5465 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5467 Finish implementing --warnings=error, which should not be implied by
5468 --warnings=all (or by its synonyms -W and --warnings without
5470 * src/complain.c (set_warning_issued): New function to report that
5471 warnings are being treated as errors and to record an error if so.
5473 (warn_at, warn): ... here.
5474 * src/getargs.c (warnings_args, warnings_types): Reorder so that
5475 "error - warnings are errors" does not appear above "all - all of the
5477 (getargs): For -W and --warnings without subarguments, don't let
5478 FLAGS_ARGMATCH set warnings_error in warnings_flag.
5479 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
5481 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5483 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
5484 empty subargument list. For example: `bison --warnings= parser.y'.
5486 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5488 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
5489 the parser header file so that gcc doesn't warn.
5491 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5493 Split the default %destructor/%printer into two kinds: <*> and <!>.
5494 Discussed starting at
5495 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
5496 * NEWS (2.3a+): Mention.
5497 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
5498 previous change today related to mid-rules.
5499 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
5500 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
5501 (TYPE_TAG_ANY): Add as <*>.
5502 (TYPE_TAG_NONE): Add as <!>.
5503 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
5505 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
5506 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
5507 * src/symlist.c (symbol_list_default_new): Split into tagged and
5509 (symbol_list_destructor_set, symbol_list_printer_set): Split
5510 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
5511 SYMLIST_DEFAULT_TAGLESS.
5512 * src/symlist.h: Update symbol_list_default*_new prototypes.
5513 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
5514 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
5515 * src/symtab.c (default_destructor, default_destructor_location,
5516 default_printer, default_printer_location): Split each into tagged and
5518 (symbol_destructor_get, symbol_destructor_location_get,
5519 symbol_printer_get, symbol_printer_location_get): Implement tagged
5520 default and tagless default cases.
5521 (default_destructor_set, default_printer_set): Split each into tagged
5522 and tagless versions.
5523 * src/symtab.h: Update prototypes.
5524 * tests/actions.at (Default %printer and %destructor): Rename to...
5525 (Default tagless %printer and %destructor): ... this, and extend.
5526 (Per-type %printer and %destructor): Rename to...
5527 (Default tagged and per-type %printer and %destructor): ... this, and
5529 (Default %printer and %destructor for user-defined end token): Extend.
5530 (Default %printer and %destructor are not for error or $undefined):
5532 (Default %printer and %destructor are not for $accept): Update.
5533 (Default %printer and %destructor for mid-rule values): Extend.
5534 * tests/input.at (Default %printer and %destructor redeclared): Extend.
5535 (Unused values with default %destructor): Extend.
5537 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5539 Don't apply the default %destructor/%printer to an unreferenced midrule
5541 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
5542 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
5543 like $@n instead of just @n so that the default %destructor/%printer
5544 logic doesn't see them as user-defined symbols.
5545 (symbol_is_dummy): Check for both forms of the name.
5546 * src/reader.c (packgram): Remove the `$' from each midrule symbol
5547 name for which the midrule value is referenced in any action.
5548 * tests/actions.at (Default %printer and %destructor for mid-rule
5550 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
5551 for change to dummy symbol names.
5553 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5555 Warn about unset midrule $$ if the corresponding $n is used.
5556 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
5558 (packgram): Before invoking grammar_rule_check on any rule, make sure
5559 all actions have already been scanned in order to set `used' flags.
5560 Otherwise, checking that a midrule's $$ is set will not always work
5561 properly because the midrule check must forward-reference the midrule's
5563 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
5566 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5568 More improvements to the documentation of the prologue alternatives:
5569 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
5571 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
5572 some text to clarify the relative importance of the new directives and
5573 to show how these directives may be viewed as code labels.
5575 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
5577 Similar to the recently removed %before-header, add %code-top as the
5578 alternative to the pre-prologue. Mentioned at
5579 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
5580 Also, let the prologue alternatives appear in the grammar section.
5581 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
5582 (prologue_declaration): Move the existing prologue alternatives to...
5583 (grammar_declaration): ... here and add %code-top.
5584 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
5586 Clean up and extend documentation for the prologue alternatives.
5587 * NEWS (2.3a+): Describe prologue alternatives.
5588 * doc/bison.texinfo (Prologue): Move discussion of prologue
5590 (Prologue Alternatives): ... this new section, and extend it to discuss
5591 all 4 directives in detail.
5592 (Table of Symbols): Clean up discussion of prologue alternatives and
5595 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5597 DJGPP specific issues.
5599 * djgpp/config.bat: config.hin has been moved to lib. Adjust
5600 config.bat accordingly.
5601 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
5602 * djgpp/config.site: Likewise.
5604 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
5606 Replace %*-header with %provides, %requires, %code. See discussion at
5607 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
5609 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
5610 (b4_user_start_header): Remove.
5611 * data/glr.c: Use new macros instead of b4_*start_header
5613 * data/glr.cc: Likewise.
5614 * data/lalr1.cc: Likewise.
5615 * data/push.c: Likewise.
5616 * data/yacc.c: Likewise.
5618 * doc/bison.texinfo: Remove %before-header, rename
5619 %{start,end,after}-header to %requires, %provides, %code.
5621 * src/parse-gram.y: Likewise (also rename token names accordingly).
5622 * src/scan-gram.l: Likewise.
5623 * tests/actions.at: Likewise.
5625 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
5627 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
5628 Problem reported by Joel E. Denny.
5630 2006-10-14 Jim Meyering <jim@meyering.net>
5632 (Sync from coreutils.)
5633 Work also when the working directory (with e.g. coreutils sources)
5634 is version controlled with git, rather than CVS.
5635 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
5637 In messages and comments, say e.g., "checked-out sources",
5638 rather than "CVS sources".
5639 (version_controlled_file): New function. Work for git as well as
5640 for CVS. Don't use grep's -q option.
5641 (slurp): Call it here, in place of CVS-specific code.
5643 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
5645 Fix testsuite for ./configure --enable-gcc-warnings:
5646 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
5647 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
5648 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
5649 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
5650 * test/regression.at (Diagnostic that expects two alternatives):
5653 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5655 * bootstrap.conf (gnulib_modules): Add config-h.
5656 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
5657 worry about HAVE_CONFIG_H.
5658 * lib/abitset.c: Likewise.
5659 * lib/bitset.c: Likewise.
5660 * lib/bitset_stats.c: Likewise.
5661 * lib/bitsetv-print.c: Likewise.
5662 * lib/bitsetv.c: Likewise.
5663 * lib/ebitset.c: Likewise.
5664 * lib/get-errno.c: Likewise.
5665 * lib/lbitset.c: Likewise.
5666 * lib/subpipe.c: Likewise.
5667 * lib/timevar.c: Likewise.
5668 * lib/vbitset.c: Likewise.
5669 * lib/bitset.c: Include "bitset.h" first, to test interface.
5670 * lib/bitset_stats.c: Include "bitset_stats.h" first.
5671 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
5672 * lib/bitsetv.c: Include "bitsetv.h" first.
5673 * lib/get-errno.c: Include "get-errno.h" first.
5674 * m4/.cvsignore: Add config-h.m4.
5675 * tests/actions.at (Default %printer and %destructor for ...):
5676 Adjust expected line numbers in output to reflect removal of #if
5677 HAVE_CONFIG_H lines.
5678 * tests/glr-regression.at (Missed %merge type warnings when ...):
5680 * tests/regression.at (Braced code in declaration in rules section):
5682 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
5683 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
5684 Include <config.h> unconditionally.
5686 * bootstrap: Sync from coreutils, as follows:
5688 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5690 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
5691 variable was sometimes used without being initialized. This
5692 messed up the installation of the INSTALL file in some cases.
5694 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5696 * bootstrap (usage, main program, symlink_to_gnulib): Add option
5697 --copy. Inspired by a suggestion from Bruno Haible.
5699 2006-10-03 Jim Meyering <jim@meyering.net>
5701 * bootstrap: Undo last change to this file, since now gnulib-tool
5702 sticks with the automake default in generating dependencies.
5704 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5706 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
5707 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
5709 * doc/bison.1: Add copyright notice.
5711 * data/glr.c: Don't include <stdarg.h>; not used.
5713 * NEWS: The -g and --graph options now output graphs in Graphviz
5714 DOT format, not VCG format.
5715 * doc/bison.1: Likewise.
5716 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
5717 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
5719 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
5720 * TODO: Remove Graphviz entry.
5721 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
5722 remove vcg.c, vcg.h, vcg_defaults.h.
5723 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
5724 * src/graphviz.c, src/graphviz.h: New files.
5725 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
5726 * src/files.h: Make comment more generic.
5727 * src/main.c (main): Likewise.
5728 * src/print_graph.h: Likewise.
5729 * src/getargs.c (usage): Make usage description more generic.
5730 * src/print_graph.c: Include graphviz.h rather than vcg.h.
5731 (static_graph, fgraph): Remove. All uses changed to pass
5732 arguments instead of sharing a static var.
5733 (print_core, print_actions, print_state, print_graph):
5734 Output graphviz format rather than VCG format.
5735 * tests/.cvsignore: Remove *.vcg; add *.dot.
5736 * tests/output.at: Expect *.dot files, not *.vcg files.
5738 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
5739 accommodates the 2006-10-08 change.
5741 2006-10-11 Bob Rossi <bob@brasko.net>
5743 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
5744 (b4_yyssa, b4_yyerror_range): New macros.
5745 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
5746 (yypvarsinit): Remove init of removed fields.
5747 (yypushparse): Remove use of removed fields; use new macros instead.
5749 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5751 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
5752 in a push parser. Reindent slightly to match yacc.c better.
5754 2006-10-11 Bob Rossi <bob@brasko.net>
5756 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
5758 (yypvarsinit, yypushparse): Remove init of removed fields.
5759 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
5761 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5763 * THANKS: Add Paolo Bonzini and Bob Rossi.
5765 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
5767 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
5768 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
5769 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
5770 b4_define_user_cde and uses): Remove.
5771 (b4_comment, b4_prefix, b4_sync_start): New.
5772 * data/bison.m4: New file, with most of the content removed from c.m4.
5773 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
5774 * src/output.c (output_skeleton): Pass bison.m4.
5775 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
5778 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
5780 Fix test failure reported by Tom Lane in
5781 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
5782 and try to make such failures easier to catch in the future.
5783 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
5784 that's now the caller's responsibility.
5785 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
5786 Set yychar = YYEOF if it's negative.
5787 * tests/actions.at (yylex): Abort if asked to read past EOF.
5788 * tests/conflicts.at (yylex): Likewise.
5789 * tests/cxx-type.at (yylex): Likewise.
5790 * tests/glr-regression.at (yylex): Likewise.
5791 * tests/input.at (yylex): Likewise.
5792 * tests/regression.at (yylex): Likewise.
5793 * tests/torture.at (yylex): Likewise.
5795 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
5797 Fix problems with translating English-language diagnostics.
5798 * bootstrap: Fix bug introduced in recent bootstrap changes, with
5799 respect to bison-runtime pot generation. The YY_ stuff
5800 wasn't being captured.
5801 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
5802 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
5803 * runtime-po/POTFILES.in: Add data/push.c.
5805 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
5807 Merge bootstrap changes from coreutils.
5809 2006-09-28 Jim Meyering <jim@meyering.net>
5811 Automatically generated dependencies are important even
5812 when all of the sources in a directory come from gnulib.
5813 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
5814 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
5816 2006-09-23 Jim Meyering <jim@meyering.net>
5818 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
5820 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5822 * bootstrap: Add support for --force.
5823 (usage): New function. Describe usage less tersely.
5824 (CVS_only_file): New var.
5826 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
5828 * data/push.c (YYPUSH_MORE): Make it an enum instead.
5829 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
5830 Adjust white space and comments to match GNU style better.
5832 2006-09-20 Bob Rossi <bob@brasko.net>
5834 * data/push.c (yyresult_get): Remove function.
5835 (YYPUSH_MORE): Add #define.
5836 (yypushparse): Modify return value.
5838 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5840 * stamp-h.in: Remove; no longer needed.
5841 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
5842 Remove config.h, config.hin, intl (no longer created).
5843 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
5846 Sync bootstrap from coreutils, as follows:
5848 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
5850 * bootstrap (symlink_to_gnulib): New function.
5851 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
5852 to copies-of-gnulib.
5853 (cp_mark_as_generated, slurp, gnulib_files):
5854 Avoid making a copy if it's the same as the old version.
5855 (gnulib_files): Add support for this variable (used by Bison).
5857 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5859 * src/getargs.c (usage): Rework to use conventions similar to
5860 coreutils, to make translation a bit easier and the code a bit
5861 smaller. Problem reported by Tim Van Holder.
5863 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
5865 Use some of gnulib's new modules, taken from coreutils.
5867 * bootstrap: Sync from coreutils, except add support for gnulib_files.
5868 * bootstrap.conf: New file.
5869 (gnulib_modules): Add configmake, inttypes, unistd.
5870 (XGETTEXT_OPTIONS): Add complain, complain_at,
5871 fatal, fatal_at, warn, warn_at, unexpected_end.
5872 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
5873 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
5875 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
5877 (GNULIB_AUTOCONF_SNIPPET): Remove.
5878 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
5880 * lib/.cvsignore: Add inttypes_.h.
5881 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
5882 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
5883 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
5884 no-longer-necessary initializations.
5885 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
5886 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
5887 use the unistd module.
5888 * src/system.h: Likewise.
5889 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
5890 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
5891 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
5892 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
5893 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
5894 * src/system.h: Include inttypes.h unconditionally, now that we
5895 use the inttypes module. Don't bother to include stdint.h, since
5896 inttypes.h now does that for us.
5897 (LOCALEDIR): Remove, now that we use the configmake module.
5898 * src/getargs.c: Include configmake.h.
5899 * src/main.c: Likewise.
5900 * src/output.c: Likewise.
5901 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
5902 not from $abs_top_builddir, since config.h moved.
5905 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
5906 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
5908 * src/parse-gram.y (symbol_declaration): Don't put statements
5909 before declarations; it's not portable to C89.
5910 * src/scan-code.l (handle_action_at): Likewise.
5912 * src/scan-code.l: Always initialize braces_level; the old code
5913 left it uninitialized and therefore had undefined behavior.
5915 Don't attempt to redefine 'assert', since it runs afoul of
5916 systems where standard headers (mistakenly) include <assert.h>.
5917 Instead, define and use our own alternative, called 'aver'.
5918 * src/reader.c: Don't include assert.h, since we no longer
5920 * src/scan-code.l: Likewise.
5921 * src/system.h (assert): Remove, replacing with....
5922 (aver): New function, taking a bool arg. All uses changed.
5923 * src/tables.c (pack_vector): Ensure that aver arg is bool,
5924 not merely an integer.
5926 2006-09-15 Bob Rossi <bob@brasko.net>
5928 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
5929 * data/c.m4 (YYPUSH): New.
5930 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
5931 * src/getargs.c (push_parser): New var.
5932 * src/getargs.h (push_parser): New declaration.
5933 * src/output.c (prepare): Add macro insertion of `push_flag'.
5934 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
5935 (prologue_declaration): Parse %push-parser.
5936 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
5937 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
5938 list of removed lines from the traces observed.
5939 (AT_CHECK_CALC_LALR): Added push parser tests.
5941 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
5943 * NEWS: Version 2.3a.
5944 * configure.ac (AC_INIT): Likewise.
5946 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
5947 "#define YYSTYPE int" that caused "make maintainer-check" to fail
5948 due to header ordering dependencies. I don't know why the #define
5951 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
5952 runtime cost when YYDEBUG is not defined, and so that some tests
5953 that used to fail now work. Problem and initial suggestion by
5955 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
5956 * data/glr.cc (b4_parser_class_name):
5957 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
5958 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
5959 (yydebug_) [YYDEBUG]: New member.
5960 (yycdebug_): Now defined only if YYDEBUG.
5961 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
5962 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
5963 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
5965 (debug_stream, set_debug_stream, debug_level, set_debug_level):
5966 Define only if YYDEBUG.
5967 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
5969 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
5970 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
5971 AT_CHECK_CALC_GLR_CC that are working now.
5973 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
5975 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
5976 We don't need them in glr.cc, and glr.c defines them.
5977 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
5978 assumes that defining it to anything is the same as defining
5979 it to 1. Problem reported by Paolo Bonzini.
5981 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
5983 * data/c.m4 (b4_null, b4_case): Define.
5984 * src/output.c (prepare_symbols): Use b4_null.
5985 (user_actions_output): Use b4_case.
5987 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
5989 * data/glr.c (b4_shared_declarations): Put start-header first,
5990 before any #includes that we generate, so that feature-test
5991 macros work. Problem reported by Michael Deutschmann in
5992 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
5993 * data/lalr1.cc: Likewise.
5994 * doc/bison.texinfo (Prologue): Document that feature-test macros
5995 should be defined before any Bison declarations.
5996 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
5997 that depend on location.hh after, not before, Bison decls, since
5998 we now include location.hh after the first user prologue.
6000 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
6001 Sander Brandenburg in
6002 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
6003 Also, fix minor white space and comment issues.
6004 (Prologue): Mention that it's better to define feature-test macros
6005 before Bison declarations. Problem reported by Michael Deutschmann.
6007 * README-cvs: Fix typo: "&" should be "&&". Problem reported
6009 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
6010 This adjusts to recent gnulib changes.
6012 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
6014 Finish implementation of per-type %destructor/%printer. Discussed
6016 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
6018 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
6019 * NEWS (2.3+): Add a description of this feature to the default
6020 %destructor/%printer description.
6021 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
6022 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
6023 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
6024 list node contains a semantic type.
6025 * src/symtab.c, src/symtab.h: Extend with a table that associates
6026 semantic types with their %destructor's and %printer's.
6027 (semantic_type_from_uniqstr, semantic_type_get,
6028 semantic_type_destructor_set, semantic_type_printer_set): New functions
6029 composing the public interface of that table.
6030 (symbol_destructor_get, symbol_destructor_location_get,
6031 symbol_printer_get, symbol_printer_location_get): If there's no
6032 per-symbol %destructor/%printer, look up the per-type before trying
6034 * tests/actions.at (Per-type %printer and %destructor): New test case.
6035 * tests/input.at (Default %printer and %destructor redeclared):
6036 Extend to check that multiple occurrences of %symbol-default in a
6037 single %destructor/%printer declaration is an error.
6038 (Per-type %printer and %destructor redeclared, Unused values with
6039 per-type %destructor): New test cases.
6041 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
6043 Require default %destructor/%printer to be declared using
6044 %symbol-default instead of an empty symbol list, and start working on
6045 new per-type %destructor/%printer. Discussed at
6046 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
6047 * NEWS (2.3+): Add %symbol-default to example.
6048 * bison.texinfo (Freeing Discarded Symbols): Likewise.
6049 (Table of Symbols): Add entry for %symbol-default.
6050 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
6051 (generic_symlist, generic_symlist_item): New nonterminals for creating
6052 a list in which each item is a symbol, semantic type, or
6054 (grammar_declaration): Use generic_symlist in %destructor and %printer
6055 declarations instead of symbols.1 or an empty list.
6056 (symbol_declaration, precedence_declaration, symbols.1): Update actions
6057 for changes to symbol_list.
6058 * src/reader.c: Update for changes to symbol_list.
6059 * src/scan-code.l: Likewise.
6060 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
6061 * src/symlist.c, src/symlist.h: Extend such that a list node may
6062 represent a semantic type or a %symbol-default in addition to just an
6063 ordinary symbol. Add switched functions for setting %destructor's and
6065 * tests/actions.at, tests/input.at: Add %symbol-default to all default
6066 %destructor/%printer declarations.
6068 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
6070 Whether the default %destructor/%printer applies to a particular symbol
6071 isn't a question of whether the user *declares* that symbol (in %token,
6072 for example). It's a question of whether the user by any means
6073 *defines* the symbol at all (by simply using a char token, for
6074 example). $end is defined by Bison whereas any other token with token
6075 number 0 is defined by the user. The error token is always defined by
6076 Bison regardless of whether the user declares it with %token, but we
6077 may one day let the user define error as a nonterminal instead.
6078 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
6079 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
6080 the meaning of "user-defined".
6081 * tests/actions.at (Default %printer and %destructor for user-declared
6082 end token): Rename to...
6083 (Default %printer and %destructor for user-defined end token): ...
6086 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
6087 computation of whether to apply the default, don't maintain a list of
6088 every Bison-defined symbol. Instead, just check for a first character
6089 of '$', which a user symbol cannot have, and check for the error token.
6091 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
6093 Don't apply the default %destructor or %printer to the error token,
6094 $undefined, or $accept. This change fits the general rule that the
6095 default %destructor and %printer are only for user-declared symbols,
6096 and it solves several difficulties that are described in the new test
6098 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
6099 * tests/actions.at (Default %printer and %destructor are not for error
6100 or $undefined, Default %printer and %destructor are not for $accept):
6103 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
6105 Allow %start after the first rule.
6106 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
6107 when parsing the first rule.
6108 (check_and_convert_grammar): Search for it here after all grammar
6109 declarations have been parsed. Skip midrules, which have dummy LHS
6111 * src/symtab.c (symbol_is_dummy): New function.
6112 * src/symtab.h (symbol_is_dummy): Declare it.
6113 * tests/input.at (%start after first rule): New test.
6115 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6117 Redo some of the previous commit: add back the ability to use
6118 non-aliased/undeclared string literals since it might be useful to
6119 those declaring %token-table.
6120 * src/reader.c (check_and_convert_grammar): Undo changes in previous
6121 commit: don't worry about complaints from symbols_pack.
6122 * src/symtab.c (symbol_new, symbol_class_set,
6123 symbol_check_alias_consistency): Undo changes in previous commit: count
6124 each string literal as a new symbol and token, assign it a symbol
6125 number, and don't complain about non-aliased string literals.
6126 (symbols_pack): Since symbol_make_alias still does not decrement symbol
6127 and token counts but does still set aliased tokens to the same number,
6128 symbol_pack_processor now leaves empty slots in the symbols array.
6130 * tests/regression.at (Undeclared string literal): Remove test case
6131 added in previous commit since non-aliased string literals are allowed
6133 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
6134 remove unnecessary string literal declarations.
6135 * tests/sets.at (Firsts): Likewise.
6137 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6139 Don't allow an undeclared string literal, but allow a string literal to
6140 be used before its declaration.
6141 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
6142 symbols_pack complained.
6143 * src/symtab.c (symbol_new): Don't count a string literal as a new
6145 (symbol_class_set): Don't count a string literal as a new token, and
6146 don't assign it a symbol number since symbol_make_alias does that.
6147 (symbol_make_alias): It's not necessary to decrement the symbol and
6148 token counts anymore. Don't assume that an alias declaration occurs
6149 before any uses of the identifier or string, and thus don't assert that
6150 one of them has the highest symbol number so far.
6151 (symbol_check_alias_consistency): Complain if there's a string literal
6152 that wasn't declared as an alias.
6153 (symbols_pack): Bail if symbol_check_alias_consistency failed since
6154 symbol_pack asserts that every token has been assigned a symbol number
6155 although undeclared string literals have not.
6156 * tests/regression.at (String alias declared after use, Undeclared
6157 string literal): New test cases.
6158 (Characters Escapes, Web2c Actions): Declare string literals as
6160 * tests/sets.at (Firsts): Likewise.
6162 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
6164 In the grammar scanner, STRING_FINISH unclosed constructs and return
6165 them to the parser in order to improve error messages.
6166 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
6167 SC_BRACED_CODE, SC_PROLOGUE): Implement.
6168 * tests/input.at (Unclosed constructs): New test case.
6169 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
6172 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
6175 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
6177 Handle string aliases for character tokens correctly.
6178 * src/symtab.c (symbol_user_token_number_set): If the token has an
6179 alias, check and set its alias's user token number instead of its own,
6180 which is set to indicate the alias. Previously, every occurrence of
6181 the character token in the grammar overwrote that alias indicator with
6183 * tests/input.at (String aliases for character tokens): New test.
6185 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
6187 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
6189 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
6191 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
6192 to prevent failures when building on older platforms.
6193 Check for autopoint failure.
6194 Set XGETTEXT_OPTIONS to values that check for C format strings,
6195 so that translators are warned about them (this also helps
6196 prevent core dumps).
6198 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
6199 function, since it simplifies our code a bit.
6201 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
6202 rather than -W, so we don't get bogus warnings about sign comparisons.
6203 Add -Wpointer-arith, since that warning is useful (it reports code
6204 that does not conform to C89 and that some compilers reject).
6205 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
6206 since it's no longer needed.
6208 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
6210 Clean up scanners a bit.
6211 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
6212 definitions so gcc won't warn when obstack_for_string is unused.
6213 * src/scan-code.l: config.h and system.h are already #include'd by
6214 scan-code-c.c, so get rid of them here.
6215 * src/scan-gram.l: Likewise.
6216 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
6217 definitions rather than duplicating the rest of it.
6218 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
6220 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
6222 Suppress signed/unsigned comparison warnings for yycheck.
6223 * data/c.m4 (b4_safest_int_type): New macro.
6224 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
6225 a signed int type, cast it to b4_safest_int_type first.
6226 * data/yacc.c: Likewise.
6227 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
6230 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
6232 * doc/bison.texinfo: Fix some typos.
6234 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
6236 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
6237 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
6239 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
6240 the latest gnulib does this a different way.
6241 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
6242 translation was patched, so stop omitting it.
6244 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6246 Enable declaration of default %printer/%destructor. Make the parser
6247 use these for all user-declared grammar symbols for which the user does
6248 not declare a specific %printer/%destructor. Thus, the parser uses it
6249 for token 0 if the user declares it but not if Bison generates it as
6250 $end. Discussed starting at
6251 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
6252 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
6254 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
6255 * NEWS (2.3+): Mention.
6256 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
6257 declare a %destructor for a mid-rule's semantic value. It's just
6258 impossible to declare one specific to it.
6259 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
6260 code. Describe default %destructor form.
6261 * src/parse-gram.y (grammar_declaration): Parse default
6262 %printer/%destructor declarations.
6263 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
6264 and symbol_destructor_location_get rather than accessing the destructor
6265 and destructor_location members of struct symbol.
6266 (symbol_printers_output): Likewise but for %printer's.
6267 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
6269 * src/symtab.c (default_destructor, default_destructor_location,
6270 default_printer, default_printer_location): New static global
6271 variables to record the default %destructor and %printer.
6272 (symbol_destructor_get, symbol_destructor_location_get,
6273 symbol_printer_get, symbol_printer_location_get): New functions to
6274 compute the appropriate %destructor and %printer for a symbol.
6275 (default_destructor_set, default_printer_set): New functions to set the
6276 default %destructor and %printer.
6277 * src/symtab.h: Prototype all those new functions.
6278 * tests/actions.at (Default %printer and %destructor): New test to
6279 check that the right %printer and %destructor are called, that they're
6280 not called for $end, and that $$ and @$ work correctly.
6281 (Default %printer and %destructor for user-declared end token): New
6282 test to check that the default %printer and %destructor are called for
6283 a user-declared end token.
6284 * tests/input.at (Default %printer and %destructor redeclared, Unused
6285 values with default %destructor): New tests to check related grammar
6286 warnings and errors.
6288 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6290 Clean up handling of %destructor for the end token (token 0).
6291 Discussed starting at
6292 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
6294 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
6296 Make the skeletons consistent in how they pop the end token and invoke
6298 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
6299 state, which has token number 0, since this would invoke the
6300 %destructor for the end token.
6301 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
6302 until after shifting the end token, or else it won't be popped.
6303 * data/yacc.c (yyparse): Likewise.
6305 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
6306 it's the end token. Upon termination, destroy an unshifted lookahead
6307 even when it's the end token.
6308 * data/lalr1.cc (yy::parser::parse): Likewise.
6309 * data/yacc.c (yyparse): Likewise.
6311 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
6312 value warnings for the end token when the user gives the end token a
6315 * tests/actions.at (Printers and Destructors): Test all the above.
6317 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
6319 Update to latest gnulib and gettext versions.
6320 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
6322 (gnulib_files): Add m4/warning.m4. Don't worry about files
6323 overwritten by autopoint.
6324 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
6325 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
6327 Don't use autoreconf; instead, invoke autopoint etc. by hand,
6328 so that we can remove the intl files at a better time.
6329 (intl_files_to_remove): Remove aclocal.m4, since it gets
6330 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
6331 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
6332 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
6333 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
6334 Remove datarootdir hack; no longer needed.
6335 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
6336 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
6337 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
6339 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
6340 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
6342 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
6344 * bootstrap: Adjust to today's change to gnulib-tool by invoking
6345 it with --assume-autoconf='latest-stable'.
6347 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
6349 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
6350 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
6352 * src/muscle_tab.h (muscle_grow): Replace the header comments with
6353 those from muscle_tab.c since the old ones are misleading.
6355 2006-07-13 Akim Demaille <akim@epita.fr>
6357 Support %define "KEY" {VALUE}.
6358 * src/scan-code.h, src/scan-code.l (translate_action)
6359 (translate_rule_action, translate_symbol_action, translate_code):
6360 Return char *, not const char *.
6361 * src/parse-gram.y (declaration): Rename as...
6362 (prologue_declaration): this.
6363 (string_content): Remove this nonterminal, use STRING.
6364 (braceless, content, content.opt): New nonterminal.
6366 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
6368 * src/scan-gram.l (getargs.h): Don't include it.
6370 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
6372 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
6373 rather than a for-loop that declares a local bool variable. This
6374 should work around a compatibility problem with a Cray x1e C++
6375 compiler reported by Hung Nguyen in
6376 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
6377 The for-loop was introduced in the 2004-11-17 change but I don't
6378 know why it was needed.
6380 2006-07-12 Akim Demaille <akim@epita.fr>
6382 * data/c.m4: Comment changes.
6384 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
6386 * src/complain.c (error_message, ERROR_MESSAGE): New.
6388 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
6389 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
6391 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6393 * NEWS: Instead of %union, you can define and use your own union type
6394 YYSTYPE if your grammar contains at least one <type> tag.
6395 Your YYSTYPE need not be a macro; it can be a typedef.
6396 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
6397 (Union Decl, Decl Summary): Document this.
6398 * data/glr.c (YYSTYPE): Implement this.
6399 * data/glr.cc (YYSTYPE): Likewise.
6400 * data/lalr1.cc (YYSTYPE): Likewise.
6401 * data/yacc.c (YYSTYPE): Likewise.
6402 * src/output.c (prepare): Output tag_seen_flag.
6403 * src/parse-gram.y (declaration, grammar_declaration):
6404 Use 'union_seen' rather than 'typed' to determine whether
6405 %union has been seen, since grammars can now be typed without
6407 (symbol_declaration, type.opt, symbol_def):
6408 Keep track of whether a tag has been seen.
6409 * src/reader.c (union_seen, tag_seen): New vars.
6411 * src/reader.h (union_seen, tag_seen, typed): Likewise.
6412 * src/scan-code.l (untyped_var_seen): New variable.
6413 (handle_action_dollar): Adjust to above changes.
6414 (handle_action_dollar, handle_action_at):
6415 Improve overflow checking for outlandish numbers.
6416 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
6417 avoid new diagnostics generated by above changes.
6418 * tests/regression.at (YYSTYPE typedef): Add test to check
6419 for type tags without %union.
6421 * src/symlist.c (symbol_list_length): Return int, not unsigned
6422 int, since callers expect int. This may need to get revisited
6423 once we have proper integer overflow checking.
6425 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
6426 object is now static.
6428 * src/getargs.c (flags_argmatch): Return void, not int,
6429 to pacify ./configure --enable-gcc-warnings.
6431 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
6432 since last_string is already defined to FLEX_PREFIX (last_string).
6434 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6436 Implement --warnings/-W.
6437 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
6439 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
6441 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
6442 (warnings_args, warnings_types): New.
6443 (getargs, short_options, long_options): Accept -W/--warnings.
6444 Sort the options by alphabetical order, upper case letter right
6445 before its lower case.
6447 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
6449 Change %merge result type clash warnings to errors. Discussed at
6450 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
6451 * src/reader.c (record_merge_function_type): Use complain_at.
6452 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6453 declared later): Update test case results.
6455 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6457 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
6458 to be in alphabetical order.
6459 (trace_args): Spelling fixes.
6461 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6463 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
6464 so they don't collide with user-defined macros.
6465 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
6466 this was never guaranteed, and now that we're using gnulib stdint,
6467 which defines int_fast16_t to long int, the problem is exposed.
6469 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
6471 * data/c.m4 (b4_basename): Simplify a bit, since we don't
6472 need the full POSIX semantics (and weren't implementing them
6475 Adjust to Autoconf 2.60 and today's gnulib.
6476 * bootstrap (gnulib_modules): Add stdint.
6477 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
6478 no longer copies it.
6479 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
6480 since stdint needs the former and wcwidth (which is now required
6481 by mbswidth) needs the latter.
6482 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
6483 work around a compatibility glitch between gettext 0.14.6 and
6485 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
6486 Do not check for uintptr_t, since new stdint module does the right
6488 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
6489 Add stdint.h, stdint_.h, wcwidth.h.
6490 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
6491 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
6492 stdint.m4, wchar_t.m4, wcwidth.m4.
6493 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
6494 usual order for ../lib/*.h files.
6495 (file_name_split): Use last_component, not base_name, to adjust
6497 * src/parse-gram.h: Include <strverscmp.h> in the usual order
6498 for ../lib/*.h files.
6499 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
6500 Define unconditionally, since we now assume the stdint module.
6501 * src/scan-skel.l: Include <dirname.h>.
6502 (BASE_QPUTS): Use last_component, not base_name.
6503 * src/system.h: Include <unlocked-io.h> in the usual order
6504 for ../lib/*.h files. Include <stdint.h> unconditionally,
6505 since we now use the stdint module.
6506 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
6507 HAVE_UINTPTR_T, since we now use the stdint module.
6508 (base_name): Remove decl, since files now include <dirname.h>
6511 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6513 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
6515 * data/yacc.c, data/glr.c, data/location.cc: Use them.
6516 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
6518 * tests/calc.at: Adjust.
6520 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6522 * data/c.m4 (b4_basename): New.
6523 (b4_syncline): Also output the location of its invocation (from
6525 (b4_user_action, b4_define_user_action, b4_user_actions)
6526 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
6527 (b4_user_stype): New.
6528 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
6530 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6532 In the grammar file, the first column is 1 not 0 on the first line as
6533 on every other line.
6534 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
6535 * tests/input.at (Torturing the Scanner): Update output.
6537 * src/scan-gram.l (scanner_cursor): Declare it static.
6539 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6541 In warnings, say "previous declaration" rather than "first
6543 * src/symtab.c (redeclaration): Do that here.
6544 * src/reader.c (record_merge_function_type): In the case of a result
6545 type clash, report the previous declaration rather than the very first
6546 one in the grammar file.
6547 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6548 declared later): Add a third declaration to check this behavior.
6549 * tests/input.at (Incompatible Aliases): Update output.
6551 2006-06-27 Akim Demaille <akim@epita.fr>
6553 * doc/Doxyfile.in: New.
6554 * doc/Makefile.am: Use it.
6555 * src/lalr.h, src/symtab.h: Initial doxygenation.
6557 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6559 Don't miss %merge result type warnings just because the LHS types are
6560 declared after the %merge. This continues the effort of the previous
6562 * src/reader.c (get_merge_function): Don't set the merger type yet.
6563 (record_merge_function_type): New function for setting the merger type
6564 and checking for clashes.
6565 (grammar_current_rule_merge_set): Set the location of the %merge for
6567 (packgram): Invoke record_merge_function_type for each rule now that
6568 all symbol type declarations have been parsed.
6569 * src/reader.h (merger_list.type_declaration_location): New member
6570 storing the location of the first %merge from which the type for this
6571 merging function was derived.
6572 * src/symlist.h (symbol_list.merger_declaration_location): New member
6573 storing the location of a rule's %merge, if any.
6574 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6575 declared later): New test to catch the error fixed by the above patch.
6577 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6579 Get action warnings (grammar_rule_check) right even when symbol
6580 declarations appear after the rules. Discussed at
6581 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
6583 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
6584 Don't mistake the type of $$ in a midrule to be that of its parent
6586 * src/reader.c (grammar_current_rule_end): Don't invoke
6587 grammar_rule_check yet since not all symbol declarations may have been
6589 (grammar_midrule_action): Likewise.
6590 Don't record whether the midrule's $$ has been used yet since actions
6591 haven't been translated yet.
6592 Record the midrule's parent rule and its RHS index within the parent
6594 (grammar_current_rule_action_append): Don't translate the action yet
6595 since not all symbol declarations may have been parsed yet and, thus,
6596 warnings about types for $$, $n, @$, and @n can't be reported yet.
6597 (packgram): Translate the action and invoke grammar_rule_check now that
6598 all symbol declarations have been parsed.
6599 * src/scan-code.l (handle_action_dollar): Now that this is invoked
6600 after parsing the entire grammar file, the symbol list here in the case
6601 of a midrule is actually the midrule's empty RHS, so reference its
6602 parent rule's RHS where necessary.
6603 On the other hand, now that you can already know it's a midrule, you
6604 aren't forced to think $$ has the same type as its parent rule's $$.
6605 (handle_action_at): In the case of a midrule, reference the parent rule
6607 * src/symlist.c (symbol_list_new): Initialize new midrule-related
6609 (symbol_list_length): Now that this is invoked after all rules have
6610 been parsed, a NULL symbol (rather than a NULL symbol list node)
6611 terminates a rule. symbol_list_print already does this correctly.
6612 * src/symlist.h (symbol_list.midrule_parent_rule,
6613 symbol_list.midrule_parent_rhs_index): New members so that midrules can
6614 remember their relationships with their parents.
6615 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
6616 fixed by the above patch.
6617 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
6619 (Unused values): ... this old test case and...
6620 (Unused values before symbol declarations): ... this new test case.
6621 This one is the same as `Unused values' except that all symbol
6622 declarations appear after the rules in order to catch the rest of the
6623 errors fixed by the above patch.
6625 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6628 * src/reader.c (current_rule): Declare it static since it's no longer
6629 used outside this file.
6630 (grammar_current_rule_action_append): Remove redundant arguments from
6631 translate_rule_action invocation.
6632 * src/reader.h (current_rule): Remove this unused extern.
6633 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
6634 * src/scan-code.l (translate_rule_action): Likewise.
6636 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
6638 Clean up yesterday's patch.
6639 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
6641 * src/reader.c (grammar_current_rule_action_append): ... here for
6642 consistency with grammar_current_rule_symbol_append.
6643 * tests/regression.at (Braced code in declaration in rules section):
6644 Make yyerror and yylex static as usual.
6646 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
6648 Fix bug that mistakes braced code in a declaration in the rules section
6649 to be a rule action. Mentioned at
6650 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
6651 * src/scan-gram.l: Move midrule action detection from the start of the
6652 scanning of any braced code to...
6653 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
6654 action. For readability, use $2 and @2 rather than the equivalent
6656 * tests/regression.at (Braced code in declaration in rules section):
6657 New test to catch the error fixed by the above patch.
6659 Work on code readability some.
6660 * src/scan-code.l (current_rule): Get rid of this misleading and
6661 redundant declaration: it's actually extern'ed in reader.h.
6662 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
6663 translate_action): Add a rule argument and use it instead of the global
6665 (translate_rule_action): This already receives current_rule through an
6666 argument, so pass it on to translate_action instead of assigning
6667 current_rule to current_rule.
6668 (translate_symbol_action, translate_code): Pass rule = NULL to
6671 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
6673 Rename %before-definitions to %start-header and %after-definitions to
6674 %end-header. Don't use these declarations to separate pre-prologue
6675 blocks from post-prologue blocks. Add new order-independent
6676 declarations %before-header and %after-header as alternatives to the
6677 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
6678 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
6679 * NEWS (2.3+): Update for these changes.
6680 * data/glr.c (b4_before_definitions): Update to...
6681 (b4_start_header): ... this.
6682 (b4_after_definitions): Update to...
6683 (b4_end_header): ... this.
6684 * data/glr.cc: Likewise.
6685 * data/lalr1.cc: Likewise.
6686 * data/yacc.c: Likewise.
6687 * doc/bison.texinfo (The prologue): Update names, and replace remaining
6688 prologue blocks with %*-header declarations.
6689 (Calc++ Parser): Likewise.
6690 (Decl Summary): Update names.
6691 (Table of Symbols): Update description.
6692 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
6693 (PERCENT_END_HEADER): ... this.
6694 (PERCENT_BEFORE_DEFINITIONS): Update to...
6695 (PERCENT_START_HEADER): ... this.
6696 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6697 (declaration): Update token names and m4 macro names.
6698 When parsing %end-header and %start-header, invoke translate_code
6699 before muscle_code_grow, and no longer set global booleans to remember
6700 whether these declarations have been seen.
6701 Parse new %after-header and %before-header.
6702 * src/reader.c (before_definitions, after_definitions): Remove.
6703 (prologue_augment): Accept a new bool argument to specify whether to
6704 augment the pre-prologue or post-prologue.
6705 * src/reader.h (before_definitions, after_definitions): Remove these
6707 (prologue_augment): Add new bool argument.
6708 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
6709 (PERCENT_END_HEADER): ... this.
6710 (PERCENT_BEFORE_DEFINITIONS): Update to...
6711 (PERCENT_START_HEADER): ... this.
6712 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6713 * tests/actions.at (Printers and Destructors): Update names.
6715 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
6717 Add comparison operators for C++ location classes. Discussed at
6718 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
6719 * data/c++.m4 (b4_define_location_comparison): New boolean %define
6720 declaration indicating whether filename_type has an operator==. If
6721 filename_type is `std::string', it defaults to `1', `0' otherwise.
6722 * data/location.cc: Iff b4_define_location_comparison is `1', add
6723 operator== and operator!= for class position and for class location.
6726 * src/scan-action.l: Remove unused file.
6727 * src/symtab.c (symbol_printer_set): Use printer_location not
6728 destructor_location.
6729 * src/symtab.h (struct symbol): Replace incorrect source comment for
6731 * tests/input.at (Incompatible Aliases): Update output with correct
6734 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
6736 Don't put the pre-prologue in the header file. For the yacc.c code
6737 file and the glr.c header and code files, move the pre-prologue before
6738 the token definitions. Add new %before-definitions and
6739 %after-definitions to declare code that will go in both the header file
6740 and code file. Discussed at
6741 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
6742 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
6744 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
6745 * NEWS (2.3+): Describe these changes.
6746 * data/glr.c (b4_pre_prologue): Move from within to before...
6747 (b4_shared_declarations): ... this.
6748 Add new b4_before_definitions before b4_token_enums.
6749 Add new b4_after_definitions at the end.
6750 * data/glr.cc (b4_pre_prologue): Replace with...
6751 (b4_before_definitions): ... this in the header file.
6752 (b4_after_definitions): New near the end of the header file.
6753 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
6754 code file right before including the header file.
6755 (b4_before_definitions): New in the previous position of
6756 b4_pre_prologue in the header file.
6757 (b4_after_definitions): New near the end of the header file.
6758 * data/yacc.c: Clean up some m4 quoting especially in the header file.
6759 (b4_token_enums_defines): In the code file, move to right before
6760 YYSTYPE for consistency with the header file.
6761 (b4_before_definitions): New right before b4_token_enums_defines in
6762 both the header and code file.
6763 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
6764 header and code file.
6765 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
6766 of prologues for %union dependencies.
6767 (Decl Summary): In %defines description, mention the effect of
6768 %before-definitions and %after-definitions on the header file.
6769 (Calc++ Parser): Forward declare driver in a %before-definitions rather
6770 than in the pre-prologue so that make check succeeds.
6771 (Table of Symbols): Add entries for %before-definitions and
6773 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
6774 %before-definitions.
6775 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
6776 (declaration): Parse those declarations and append to
6777 b4_before_definitions and b4_after_definitions, respectively.
6778 * src/reader.c (before_definitions, after_definitions): New bools to
6779 track whether those declarations have been seen.
6780 (prologue_augment): Add to the post-prologue if %union,
6781 %before-definitions, or %after-definitions has been seen.
6782 * src/reader.h (before_definitions, after_definitions): New extern's.
6783 * src/scan-gram.l: Scan the new declarations.
6784 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
6785 prologue block in a %before-definitions or a %after-definitions based
6786 on whether the %union is declared.
6787 * tests/regression.at (Early token definitions with --yacc, Early token
6788 definitions without --yacc): Move tests for token definitions into the
6789 post-prologue since token names are no longer defined in the
6792 2006-06-20 Akim Demaille <akim@epita.fr>
6794 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
6795 (symbol_get): Use it.
6796 * src/parse-gram.y: Use it.
6798 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
6800 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
6801 build succeeds when configured with --enable-gcc-warnings.
6803 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
6805 * src/parse-gram.y (char_name): New function.
6806 (CHAR, STRING, string_content): For %printer, properly escape.
6807 (ID): Prefer fputs to fprintf.
6808 (id): Reindent to be consistent with other rules.
6809 Properly quote char.
6811 The Translation Project changed its way of publishing translations
6812 to maintainers. I haven't received any responses to my request
6813 for supporting the old way, or for documenting the new way. I
6814 have modified 'bootstrap' to use screen scraping
6815 (in this case, HTML scraping). This is unreliable and inelegant,
6816 but I don't see any better way. Yuck.
6817 * bootstrap (TP_URL, WGET_COMMAND): New vars.
6818 (get_translations): New function, which uses HTML scraping to
6819 deduce locations of latest translations.
6820 Use this function to grab both bison and bison-runtime .po files.
6821 Don't bother priming the pump for the runtime-po domain any more,
6822 as it's now translated better than bison is.
6824 2006-06-19 Akim Demaille <akim@epita.fr>
6826 * src/scan-gram.l: No longer "parse" things after `%union' until
6827 `{'. Rather, return a single "%union" token.
6828 No longer make symbols: return strings, and leave the conversion
6829 to symbols to the parser.
6830 (SC_PRE_CODE, token_type): Remove.
6831 * src/parse-gram.y (%union): New field `character'.
6834 (ID, ID_COLON): Now that the scanner no longer makes them
6835 identifiers, adjust all uses to invoke symbol_get.
6836 (id_colon): New, wraps the conversion from string to symbol.
6837 (%union): Accept a possible union_name.
6838 (symbol): Now can be a char.
6839 * data/c.m4 (b4_union_name): Leave a default value.
6840 * data/glr.c, data/yacc.c: Use it.
6842 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
6844 For associating token numbers with token names for "yacc.c", don't use
6845 #define statements unless `--yacc' is specified; always use enum
6846 yytokentype. Most important discussions start at:
6847 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
6848 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
6850 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
6851 * NEWS (2.3+): Mention.
6852 * data/c.m4 (b4_yacc_if): New.
6853 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
6855 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
6856 on token name definitions.
6857 * src/getargs.c (usage): Capitalize `Yacc' in English.
6858 * src/output.c (prepare): Define b4_yacc_flag.
6859 * tests/regression.at (Early token definitions): Test that tokens names
6860 are defined before the pre-prologue not just before the post-prologue.
6861 Remove this test case and copy to...
6862 (Early token definitions with --yacc): ... this to test #define's.
6863 (Early token definitions without --yacc): ... and this to test enums.
6865 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
6867 * NEWS: Reword the post-2.3 change to not be so optimistic about
6868 removing the old "look-ahead" spelling.
6869 Update previous look-ahead/lookahead change reports.
6870 * REFERENCES: look-ahead -> lookahead (since that's
6871 what he actually wrote).
6872 * doc/refcard.tex: look ahead -> lookahead,
6873 look-ahead -> lookahead
6875 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
6877 For consistency, use `lookahead' instead of `look-ahead' or
6878 `look_ahead'. Discussed starting at
6879 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
6881 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
6882 * NEWS: For the next release, note the change to `--report'.
6883 * TODO, doc/bison.1: Update English.
6884 * doc/bison.texinfo: Update English.
6885 (Understanding Your Parser, Bison Options): Document as
6886 `--report=lookahead' rather than `--report=look-ahead'.
6887 * src/conflicts.c: Update English in comments.
6888 (lookahead_set): Rename from look_ahead_set.
6889 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
6890 (resolve_sr_conflict): Rename local look_ahead_tokens to
6891 lookahead_tokens, and update other uses.
6892 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
6893 count_rr_conflicts, conflicts_free): Update uses.
6894 * src/getargs.c (report_args): Move "lookahead" before alternate
6896 (report_types): Update uses.
6897 (usage): For `--report' usage description, state `lookahead' spelling
6898 rather than `look-ahead'.
6899 * src/getargs.h (report.report_lookahead_tokens): Rename from
6900 report_look_ahead_tokens.
6901 * src/lalr.c: Update English in comments.
6902 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
6903 (state_lookahead_tokens_count): Rename from
6904 state_look_ahead_tokens_count.
6905 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6906 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
6907 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6909 Update English in output.
6910 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
6911 * src/print.c: Update English in comments.
6912 (lookahead_set): Rename from look_ahead_set.
6913 (print_reduction): Rename argument lookahead_token from
6915 (print_core, state_default_rule, print_reductions, print_results):
6917 * src/print_graph.c: Update English in comments.
6918 (print_core): Update uses.
6919 * src/state.c: Update English in comments.
6920 (reductions_new): Update uses.
6921 (state_rule_lookahead_tokens_print): Rename from
6922 state_rule_look_ahead_tokens_print, and update other uses.
6923 * src/state.h: Update English in comments.
6924 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
6925 (state_rule_lookahead_tokens_print): Rename from
6926 state_rule_look_ahead_tokens_print.
6927 * src/tables.c: Update English in comments.
6928 (conflict_row, action_row): Update uses.
6929 * tests/glr-regression.at
6930 (Incorrect lookahead during deterministic GLR,
6931 Incorrect lookahead during nondeterministic GLR): Rename
6932 print_look_ahead to print_lookahead.
6933 * tests/torture.at: Update English in comments.
6934 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
6935 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
6936 (Many lookahead tokens): Update uses.
6937 * data/glr.c: Update English in comments.
6938 * lalr1.cc: Likewise.
6940 * src/conflicts.h: Likewise.
6941 * src/lalr.h: Likewise.
6942 * src/main.c: Likewise.
6943 * src/output.c: Likewise.
6944 * src/parse-gram.c: Likewise.
6945 * src/tables.h: Likewise.
6946 * tests/calc.at: Likewise.
6948 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
6950 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
6952 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
6954 * TODO: Add request from Nelson H. F. Beebe to be able to install
6955 Bison without installing the yacc script.
6957 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6959 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
6960 and yytext if they're already #define'd.
6961 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
6962 * src/scan-code-c.c: ... here.
6963 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
6966 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6968 Get Bison to build again when configured with --enable-gcc-warnings.
6969 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
6971 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
6972 loc argument as it shadows a global.
6973 * src/scan-gram.l: Remove stray comma that prevents boundary_set
6976 * src/.cvsignore: Add scan-code.c.
6978 2006-06-07 Akim Demaille <akim@epita.fr>
6980 * src/scan-gram.l: Move the "add a trailing ; to actions" code
6982 * src/scan-code.l: here.
6983 * tests/input.at (Torturing the Scanner): Fix another location
6986 2006-06-07 Akim Demaille <akim@epita.fr>
6988 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
6990 2006-06-06 Akim Demaille <akim@epita.fr>
6992 Extract the parsing of user actions from the grammar scanner.
6993 As a consequence, the relation between the grammar scanner and
6994 parser is much simpler. We can also split "composite tokens" back
6996 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
6997 * src/scan-gram.l (add_column_width, adjust_location): Move to and
6999 * src/location.h, src/location.c (add_column_width)
7000 (location_compute): these.
7001 Fix the column count: the initial column is 0.
7002 (location_print): Be robust to ending column being 0.
7003 * src/location.h (boundary_set): New.
7004 * src/main.c: Adjust to scanner_free being renamed as
7006 * src/output.c: Include scan-code.h.
7007 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
7009 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
7010 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
7011 which is now, again, a separate token.
7012 Adjust all dependencies.
7013 Whereever actions with $ and @ are used, use translate_code.
7014 (action): Remove this nonterminal which is now useless.
7015 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
7016 (grammar_current_rule_action_append): Use translate_code.
7017 (packgram): Bound check ruleno, itemno, and rule_length.
7018 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
7019 (last_string, last_braced_code_loc, max_left_semantic_context)
7020 (scanner_initialize, scanner_free, scanner_last_string_free)
7021 (gram_out, gram_lineno, YY_DECL_): Move to...
7022 * src/scan-gram.h: this new file.
7023 (YY_DECL): Rename as...
7025 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
7026 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
7027 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
7028 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
7029 Move these declarations, and...
7030 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
7032 * src/flex-scanner.h: this new file.
7033 * src/scan-gram.l (rule_length, rule_length_overflow)
7034 (increment_rule_length): Remove.
7035 (last_braced_code_loc): Rename as...
7036 (gram_last_braced_code_loc): this.
7037 Adjust to the changes of the parser.
7038 Move all the handling of $ and @ into...
7039 * src/scan-code.l: here.
7040 * src/scan-gram.l (handle_dollar, handle_at): Remove.
7041 (handle_action_dollar, handle_action_at): Move to...
7042 * src/scan-code.l: here.
7043 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
7044 scan-code.h, scan-code-c.c, scan-gram.h.
7045 (EXTRA_bison_SOURCES): Add scan-code.l.
7046 (BUILT_SOURCES): Add scan-code.c.
7047 (yacc): Be robust to white spaces.
7049 * tests/conflicts.at, tests/input.at, tests/reduce.at,
7050 * tests/regression.at: Adjust the column numbers.
7051 * tests/regression.at: Adjust the error message.
7053 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
7055 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
7056 Use Akim's wording from
7057 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
7059 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
7061 Between Bison releases, manually append `+' to the previous Bison
7062 release number, and use that as a signal to automatically print the
7063 ChangeLog's CVS Id keyword from --version. Discussed starting at
7064 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
7065 * ChangeLog: Add Id header.
7066 * configure.ac (AC_INIT): Append `+' to `2.3'.
7067 * src/.cvsignore: Add revision.c.
7068 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
7069 (BUILT_SOURCES): Add revision.c.
7070 (revision.c): New target rule. This file defines a new global variable
7071 named revision. It initializes it with either the Id from ChangeLog
7072 or, if VERSION doesn't contain `+', with the empty string.
7073 * src/getargs.c (version): Print the value of revision.
7074 * src/revision.h: Extern revision.
7076 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
7078 * NEWS: Version 2.3.
7079 * configure.ac (AC_INIT): Likewise.
7081 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
7083 * data/glr.c (YYRECOVERING): Define to be a function-like macro
7084 with no arguments, not as an object-like macro. This is for
7085 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
7086 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
7087 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
7090 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
7092 * src/getargs.c (usage): Back out yesterday's modification of the
7093 --help output so that we don't have to wait for translation before
7096 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
7098 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
7099 Problem reported by Akim Demaille.
7101 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
7103 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
7105 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
7107 * data/yacc.c (yy_reduce_print): Omit trailing white space in
7108 generated source code. Problem reported by Frans Englich in
7109 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
7111 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
7113 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
7114 shell, not within 'make', so that 'make' by an ordinary builder
7115 (using GNU make) does not worry about configuring gzip. This also
7116 works around a bug reported independently by Keith Thompson and by
7117 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
7118 stderr rather than stdout, messing up the build logs.
7120 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7122 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
7123 to make sure that YYID will never be unused. This fixes a 'make
7124 maintainer-check' failure caused by the recent changes to the 'Trivial
7125 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
7127 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
7129 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7131 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
7132 state before an empty RHS is always resolved here. Only the location
7133 of that state is guaranteed to be resolved, and that's enough. This
7134 fixes the remaining bug reported by Derek M. Jones in
7135 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7136 * tests/glr-regression.at (Uninitialized location when reporting
7137 ambiguity): Test the above case.
7138 Also, the embedded comments in this test case claim it checks the case
7139 of an empty RHS that has inherited the initial location. However, the
7140 corresponding LHS was already resolved, so yyresolveLocations didn't
7141 actually have reason to modify it. Fix this by forcing
7142 nondeterministic operation at the beginning of the parse.
7144 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
7146 * data/c.m4 (b4_yy_symbol_print_generate):
7147 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
7148 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
7149 of the bugs reported today by Derek M Jones in
7150 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7151 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
7152 defined to be a type name without parens or brackets.
7153 (Location Type): Similarly for YYLTYPE.
7154 * tests/regression.at (Trivial grammars): Put in a test for this
7155 bug that will be caught by 'make maintainer-check' (though not,
7156 alas, by 'make check' unless your compiler is picky).
7158 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
7160 * NEWS: Version 2.2.
7161 * configure.ac (AC_INIT): Likewise.
7163 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
7165 * data/glr.c (yyreportTree): Make room in yystates for the state
7166 preceding the RHS. This fixes the segmentation fault reported by Derek
7168 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
7169 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
7170 to the user. Reported for yyreportTree by Derek M. Jones later in the
7172 * THANKS: Add Derek M. Jones.
7173 Update my email address.
7174 Fix typo in Steve Murphy's name.
7176 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
7178 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
7179 checking against YYLAST that caused the parser to miss a potential
7180 alternative in its diagnostic.
7181 Problem reported by Maria Jose Moron Fernandez in
7182 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
7183 * data/lalr1.cc (yysyntax_error_): Likewise.
7184 * data/yacc.c (yysyntax_error): Likewise.
7185 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
7186 tokens, in case we run into an older C compiler.
7187 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
7188 Use them to check for the off-by-one error fixed above.
7190 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
7191 YYSIZE_T, not size_t.
7192 * tests/regression.at (Trivial grammars): New test, to catch
7193 the error fixed by the above patch.
7195 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7197 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
7199 Reported by Steve Murphy.
7201 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7203 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
7204 * data/glr.cc: b4_location_flag is now b4_locations_flag.
7206 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7208 Implement --trace=m4.
7209 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
7210 * src/output.c (output_skeleton): When set, pass -dV to m4.
7212 Factor the handling of flags in m4.
7213 * src/output.c (prepare): Rename the muscle names debug, defines,
7214 error_verbose to debug_flag, defines_flag, error_verbose_flag.
7215 * data/c.m4: Adjust.
7216 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
7217 Use b4_define_flag_if to define other b4_FLAG_if macros.
7218 (b4_location_if): As a consequence, rename as...
7219 (b4_locations_if): this, for consistency.
7220 Adjust all the skeletons.
7222 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7224 * etc/bench.pm: Shorten bench names.
7226 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7228 * src/output.h, src/output.c (error_verbose): Move to...
7229 * src/getargs.h, src/getargs.c: here.
7231 Adjust dependencies.
7233 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
7235 * data/c.m4 (b4_copyright): Put the special exception for Bison
7236 skeletons here, so we don't have to put it in each skeleton. All
7237 uses changed. Suggested by Akim Demaille. Also, wrap the
7238 copyright notice, in case it is longer than 80 columns. Replace
7239 comma by newline after title.
7241 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
7243 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
7244 incompatibility, not a bug. Mention that it wasn't fixed as of
7247 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7249 * examples/extexi: Enforce the precedence of concatenation over
7251 Reported by Tommy Nordgren.
7253 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7255 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
7256 with the member "token".
7257 Reported by Martin Nylin.
7259 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
7261 * data/glr.c: Switch to Bison 2.2 special-exception language in
7262 the copyright notice. Use more-regular format for titles and
7264 * data/glr.cc: Likewise.
7265 * data/location.cc: Likewise.
7266 * data/yacc.cc: Likewise.
7267 * doc/bison.texinfo (Conditions): Document this.
7268 * NEWS: likewise. Upgrade version to 2.2.
7270 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
7272 * data/glr.cc: Remove dead code.
7274 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
7276 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
7277 that variable and the line breaks the bootstrap. Problem reported
7278 by Juan M. Guerrero.
7280 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7282 * doc/bison.texinfo (Multiple start-symbols): New.
7284 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7286 * etc/README, etc/bench.pl: New.
7288 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
7290 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
7292 Reported by Mickael Labau.
7293 * tests/input.at (Torturing the Scanner): Test it.
7295 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
7297 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
7298 Problem reported by Bob Rossi.
7300 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
7302 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
7303 and didn't really work.
7304 For the index, use @ifnotinfo, not @iftex.
7305 Minor cleanups of spacing and terminology.
7307 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7309 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
7310 of AT_NAME_PREFIX when %name-prefix is not used.
7312 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7314 Apply --prefix to C++ skeletons too: they change the namespace.
7315 The test suite already exercize these cases.
7316 * data/c++.m4 (b4_namespace): New.
7317 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
7318 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
7319 * data/yacc.c, data/glr.c: Remove a useless `[]'.
7320 * doc/bison.texinfo: Document it.
7321 (Option Cross Key): Use @multitable in all formats. It looks
7322 nicer, even in TeX outputs.
7323 (Rules): Use the same code whatever the output type is.
7324 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
7325 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
7326 * tests/calc.at: Use it, instead of hard coding `yy'.
7328 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7330 * TODO: Remove dead items.
7332 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7334 * doc/FAQ: Remove, merged into...
7335 * doc/bison.texinfo (FAQ): this.
7336 * doc/Makefile.am (EXTRA_DIST): Adjust.
7338 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7340 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
7342 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
7343 * doc/bison.texinfo (Calc++ Scanner): Use it.
7345 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
7347 Fix two nits reported by twlevo, plus one more that I discovered.
7349 * src/assoc.h (assoc_to_string): Give a name to the arg, as
7350 this is the usual Bison style.
7351 * src/location.h (location_print): Likewise.
7353 * src/reader.h (token_name): Likewise.
7355 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
7357 Fix some nits reported by twlevo.
7358 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
7359 and "POSIX". Use more-modern syntax for URLs. Mention C++
7360 and ask for Java. Don't hardwire OS version numbers. Add
7362 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
7363 * src/conflicts.c (solved_conflicts_obstack): Now static.
7365 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
7367 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
7368 page. Say "you can use it" not "you may use it" as on the web page;
7369 we're describing capabilities not granting permission.
7371 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
7373 * data/glr.c (yyresolveLocations): Rename local variables to avoid
7374 shadowing warnings. Use usual patter for iterating through RHS.
7375 * tests/glr-regression.at
7376 (Uninitialized location when reporting ambiguity):
7377 Modify yylex so that it uses its argument, rather than trying
7378 to rely on ARGSUSED (which doesn't work for gcc with warnings).
7379 const char -> char const.
7381 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
7382 Don't use tabs inside commands; it messes up 'ps'.
7383 Problem reported by twlevo.
7385 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
7387 * tests/glr-regression.at (Uninitialized location when reporting
7388 ambiguity): New test case.
7389 * data/glr.c (yyresolveLocations): New function, which uses
7391 (yyresolveValue): Invoke yyresolveLocations before reporting an
7393 * doc/bison.texinfo (Default Action for Locations): Note
7394 YYLLOC_DEFAULT's usage for ambiguity locations.
7395 (GLR Semantic Actions): Cross-reference those notes.
7397 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
7399 * tests/glr-regression.at (Leaked semantic values when reporting
7400 ambiguity): Remove unnecessary union and type declarations.
7401 (Leaked lookahead after nondeterministic parse syntax error): New test
7403 * data/glr.c (yyparse): Check for zero stacks remaining before
7404 attempting to shift the lookahead so that you don't lose it.
7406 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7408 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
7409 * tests/glr-regression.at (Leaked semantic values when reporting
7410 ambiguity): New test case.
7411 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
7412 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
7413 now unnecessary yystackp parameter.
7414 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
7415 destructors can be called.
7417 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
7418 in existing testcases.
7420 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7422 Don't leak semantic values for parent RHS when a user action cuts the
7423 parser, and clean up related code a bit.
7424 * tests/glr-regression.at (Leaked merged semantic value if user action
7425 cuts parse): Rename to...
7426 (Leaked semantic values if user action cuts parse): ... this. Add check
7427 for leaked parent RHS values.
7428 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
7429 between an unresolved state (non-empty chain of semantic options) and
7430 an incomplete one (signaled by an empty chain).
7431 (yyresolveStates): Document the interface. Move all manipulation of a
7432 successfully or unsuccessfully resolved yyGLRState to...
7433 (yyresolveValue): ... here so that yyresolveValue always leaves a
7434 yyGLRState with consistent data and thus is easier to understand.
7435 Remove the yyvalp and yylocp parameters since they are always just
7436 taken from the yys parameter. When reporting a discarded merged value
7437 in debugging output, note that it is incompletely merged. Document the
7439 (yyresolveAction): If resolving any of the RHS states fails, destroy
7440 them all rather than leaking them. Thus, as long as user actions are
7441 written to clean up the RHS correctly, yyresolveAction always cleans up
7442 the RHS of a semantic option. Document the interface.
7444 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
7446 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
7447 led to a segmentation fault in GNU Pascal. Problem reported
7450 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
7452 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
7453 mid-rule action inside a nonterminal symbol in order to declare a
7454 destructor for its semantic value.
7456 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
7458 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
7459 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
7460 __cplusplus && ! defined _STDLIB_H && !
7461 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
7462 defined free))]: Include <stdlib.h> rather than rolling our own
7463 declarations of malloc and free, to avoid problems with
7464 incompatible declarations (using 'throw') C++'s stdlib.h. This
7465 should fix Debian bug 340012
7466 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
7467 reported by Guillaume Melquiond.
7469 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7471 * NEWS: Clarify symbols versus types in unused-value warnings.
7473 * configure.ac (AC_INIT): Bump version number.
7475 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7477 * NEWS: Version 2.1a.
7478 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
7479 since C99 requires this.
7481 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
7483 * m4/c-working.m4: New file.
7484 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
7486 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
7488 * Makefile.maint: Merge from coreutils.
7490 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
7492 More portability fixes for problems summarized by Nelson H. F. Beebe.
7494 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
7495 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
7496 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
7497 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
7498 messes up because C++ code is compiled in 32-bit mode but linked
7501 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
7503 More portability fixes for problems summarized by Nelson H. F. Beebe.
7505 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
7506 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
7508 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
7509 nodist_PROGRAMS, since we don't need to actually compile the
7510 example if we're just doing a plain 'make'. This avoids bothering
7511 the installer unnecessarily about problems due to weird C++
7514 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
7516 More portability fixes for problems summarized by Nelson H. F. Beebe.
7518 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
7519 than #include "...", and compile with -I'.'. The old method was
7520 not portable, according to Posix and the C standard, and it does
7521 not work with Sun C 5.7, where previous #line directives affect
7522 the working directory used in later #include "..." directives.
7524 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7526 Various DJGGP specific issues in /djgpp
7528 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
7530 More portability fixes for problems summarized by Nelson H. F. Beebe.
7532 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
7533 '#include <map>' works and that you can apply ++ to iterators.
7535 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
7537 Work around portability problems summarized by Nelson H. F. Beebe in
7538 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
7540 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7541 that '#include <string>' works.
7543 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
7544 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
7545 "warning: sorry: semantics of inline function static data `const
7546 unsigned char translate_table[262]' are wrong (you'll wind up with
7549 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
7550 or, xor to not_, and_, or_, and xor_, respectively. This works
7551 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
7552 random system header somewhere that includes the equivalent of
7555 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
7556 -E" works; it apparently doesn't work with PathScale EKO Compiler
7559 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
7561 During deterministic GLR operation, user actions should be able to
7562 influence the parse by changing yychar. To make this easier to fix and
7563 to make glr.c easier to evolve in general, don't maintain yytoken in
7564 parallel with yychar; just compute yytoken when needed.
7565 * tests/glr-regression.at (Incorrect lookahead during deterministic
7566 GLR): Check that setting yychar in a user action has the intended
7568 * data/glr.c (yyGLRStack): Remove yytokenp member.
7569 (yyclearin): Don't set *yytokenp.
7570 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
7571 yychar rather than *yytokenp to determine the current lookahead.
7572 Compute yytoken locally when needed.
7573 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
7576 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
7577 after `--report' documentation.
7579 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
7581 * src/parse-gram.y (grammar_declaration): Location of printer
7582 symbol is @1, not list->location. Bug reported by twlevo.
7583 * tests/input.at (Incompatible Aliases): Adjust to above change.
7585 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
7587 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
7588 all the test at once. This makes the output easier to read in the
7591 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
7592 got from <http://bro-ids.org/download.html>. The bug is that
7593 when two actions appeared in succession, the second one was
7594 scanned before the first one was added to the grammar rule
7595 as a midrule action. Bison then output the incorrect warning
7596 "parse.y:905.17-906.36: warning: unused value: $3".
7597 * src/parse-gram.y (BRACED_CODE, action): These are no longer
7598 associated with a value.
7599 (rhs): Don't invoke grammar_current_rule_action_append.
7600 (action): Invoke it here instead.
7601 * src/reader.c (grammar_midrule_action): Now extern.
7602 (grammar_current_rule_action_append): Don't invoke
7603 grammar_midrule_action; that is now the scanner's job.
7604 * src/reader.h (last_string, last_braced_code_loc):
7605 (grammar_midrule_action): New decls.
7606 * src/scan-gram.l (last_string): Now extern, sigh.
7607 (last_braced_code_loc): New extern variable.
7608 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
7609 rule already has an action.
7610 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
7611 * tests/input.at (AT_CHECK_UNUSED_VALUES):
7612 Add some tests to check that the above changes fixed the bug.
7614 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
7616 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
7617 All used changed. Check whether the symbol has a destructor,
7618 not whether it is typed.
7619 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
7620 that the values are still reported as unused. All line numbers
7623 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
7625 Work around a bug in bro 0.8, which underparenthesizes its
7626 definition of YYLLOC_DEFAULT.
7627 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
7629 * data/lalr1.cc: Likewise.
7630 * data/yacc.cc: Likewise.
7632 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
7634 Work around a bug in Pike 7.0, and give the Pike folks a
7635 better way to override the usual int widths.
7636 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
7637 user can override the types.
7638 (short): #undef, to work around a bug in Pike 7.0.
7639 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
7640 (union yyalloc.yyss): Use yytype_int16 rather than short.
7642 (yysigned_char): Remove.
7643 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
7644 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
7645 * tests/regression.at (Web2c Actions): Adjust to above changes.
7647 * src/reader.c (check_and_convert_grammar): New function.
7648 (reader): Close the input file even if something went wrong during
7649 parsing. Minor file descriptor leak reported by twlevo.
7651 * src/assoc.c (assoc_to_string): Use a default: abort (); case
7652 to pacify gcc -Wswitch-default.
7653 * src/scan-gram.l (adjust_location): Use a default: break; case
7654 to pacify gcc -Wswitch-default.
7655 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
7656 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
7657 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
7658 Move these decls to scan-skel.l, since they don't need to be
7660 * src/scan-skel.l: Accept the above decls.
7661 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
7664 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
7666 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
7667 since we don't want to insist on a version number at the start
7668 of the changelog every time.
7669 * Makefile.maint: Sync from coreutils a bit better.
7670 (sc_trailing_blank): Renamed from sc_trailing_space.
7672 (sc_no_if_have_config_h, sc_require_config_h):
7673 (sc_prohibit_assert_without_use): New rules.
7674 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
7675 (sc_dd_max_sym_length): Fix leading spaces in rule.
7676 (sc_system_h_headers): Prefix with @.
7677 (sc_useless_cpp_parens, m4-check): Output line numbers.
7678 (changelog-check): Allow version only in head.
7679 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
7680 satisfy new Makefile.maint rule.
7681 * data/glr.c: Likewise.
7682 * data/glr.cc: Likewise.
7683 * data/lalr1.cc: Likewise.
7684 * data/yacc.c: Likewise.
7685 * lib/ebitsetv.c: Likewise.
7686 * lib/lbitset.c: Likewise.
7687 * lib/subpipe.c: Likewise.
7688 * lib/timevar.c: Likewise.
7689 * src/system.h: Likewise.
7690 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
7691 * djgpp/Makefile.maint: Add copyright notice.
7692 * djgpp/README.in: Likewise.
7693 * djgpp/config.bat: Likewise.
7694 * djgpp/config.site: Likewise.
7695 * djgpp/config_h.sed: Likewise.
7696 * djgpp/djunpack.bat: Likewise.
7697 * djgpp/config.sed: Fix copyright notice to match standard format.
7698 * djgpp/subpipe.h: Likewise.
7699 * lib/bitsetv-print.c: Likewise.
7700 * lib/bitsetv.c: Likewise.
7701 * lib/subpipe.h: Likewise.
7702 * lib/timevar.c: Likewise.
7703 * lib/timevar.h: Likewise.
7704 * djgpp/subpipe.c: Use standard recipe for config.h.
7705 * lib/abitset.c: Likewise.
7706 * lib/bitset.c: Likewise.
7707 * lib/bitset_stats.c: Likewise.
7708 * lib/bitsetv-print.c: Likewise.
7709 * lib/bitsetv.c: Likewise.
7710 * lib/ebitsetv.c: Likewise.
7711 * lib/get-errno.c: Likewise.
7712 * lib/lbitset.c: Likewise.
7713 * lib/subpipe.c: Likewise.
7714 * lib/timevar.c: Likewise.
7715 * lib/vbitset.c: Likewise.
7716 * tests/local.at: Likewise.
7717 * src/scan-gram.l: Don't include verify.h, since system.h does
7719 * .x-sc_require_config_h: New file.
7720 * .x-sc_unmarked_diagnostics: New file.
7722 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
7724 Be a bit more systematic about using 'abort'.
7725 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
7726 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
7727 Put 'default: abort ();' before some other case, to satisfy older
7729 * lib/bitset_stats.c (bitset_stats_init): Likewise.
7730 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
7731 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
7732 * src/conflicts.c (resolve_sr_conflict): Likewise.
7733 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
7734 (get_decision_str, get_orientation_str, get_node_alignment_str):
7735 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
7736 (get_linestyle_str, get_arrowstyle_str): Likewise.
7737 * src/conflicts.c (resolve_sr_conflict):
7738 Use a default case rather than one for the one remaining enum
7739 value, to catch invalid enum values as well.
7740 * src/lalr.c (set_goto_map, map_goto):
7741 Prefer "assert (FOO);" to "if (!FOO) abort ();".
7742 * src/nullable.c (nullable_compute, token_definitions_output):
7744 * src/reader.c (packgram, reader): Likewise.
7745 * src/state.c (transitions_to, state_new, state_reduction_find):
7747 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
7748 (symbol_pack): Likewise.
7749 * src/tables.c (conflict_row, pack_vector): Likewise.
7750 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
7751 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
7752 * src/system.h: Don't include <assert.h>.
7753 (assert): New macro.
7755 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
7756 (Destructor Decl, Parser Function, Pure Calling):
7757 Describe rules for braces inside C code more carefully.
7759 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
7761 Fix some porting glitches found by Nelson H. F. Beebe.
7762 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
7763 compilers that don't understand that abort () does not return.
7764 * src/state.c (transitions_to): Likewise.
7765 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7766 that '#include <cstdlib>' works.
7767 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
7768 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
7769 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
7770 for the benefit of some pre-C99 compilers.
7772 * bootstrap: Undo changes to gnulib files that autoreconf made.
7774 Minor fixups to get 'make maintainer-check' to work.
7775 * configure.ac: Don't use -Wnested-externs, as it's incompatible
7776 with the new verify.h implementation.
7777 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
7778 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
7779 * data/yacc.c (YYUSE): Likewise.
7780 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
7781 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
7782 * src/parse-gram.y (declaration): Don't pass a string constant
7783 to a function that expects char *, since GCC might complain
7784 about the constant value.
7785 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
7786 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
7787 before #defining them.
7788 * tests/glr-regression.at
7789 (Incorrectly initialized location for empty right-hand side in GLR):
7790 In yyerror, use the msg arg.
7791 (Corrupted semantic options if user action cuts parse):
7792 (Incorrect lookahead during deterministic GLR):
7793 (Incorrect lookahead during nondeterministic GLR):
7794 Don't name a local var 'index'; it shadows string.h's 'index'.
7796 2006-01-19 Akim Demaille <akim@epita.fr>
7798 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
7799 location, not just parts of it.
7801 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
7803 * NEWS: Document the fact that multiple %unions are now allowed.
7804 * doc/bison.texinfo (Union Decl): Likewise.
7805 * TODO: This feature is now implemented, so remove it from
7808 * Makefile.maint: Merge with coreutils Makefile.maint.
7809 (CVS_LIST): Use build-aux version if available.
7810 (VERSION_REGEXP): New macro.
7811 (syntax-check-rules): Add sc_no_if_have_config_h,
7812 sc_prohibit_assert_without_use, sc_require_config_h,
7813 sc_useless_cpp_parens.
7814 (sc_obsolete_symbols): Check for O_NDELAY.
7815 (sc_dd_max_sym_length): Track coreutils.
7816 (sc_unmarked_diagnostics): Look in all files, not just *.c.
7817 (sc_useless_cpp_parens): New rule.
7818 (news-date-check): Look for version or today's date.
7819 (changelog-check): Don't require version number near head.
7820 (copyright-check): Use current year instead of hardwiring 2005.
7821 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
7822 (announcement): Add --gpg-key-ID.
7824 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
7827 Avoid undefined behavior that addressed just before the start of an
7828 array. Problem reported by twlevo.
7829 * src/reader.c (packgram): Prepend a new sentinel before ritem.
7830 * src/lalr.c (build_relations): Rely on new sentinel.
7831 * src/gram.c (gram_free): Adjust to new sentinel.
7833 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
7835 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
7836 yylookaheadNeeds. All uses updated.
7837 (yysplitStack): Rename local yynewLookaheadStatuses to
7838 yynewLookaheadNeeds.
7839 * data/glr-regression.at (Incorrect lookahead during nondeterministic
7840 GLR): In comments, change `lookahead status' to `lookahead need'.
7842 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7844 * data/glr.c (yysplitStack): A little stylistic rewrite.
7846 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7848 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
7850 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
7852 * doc/bison.texinfo: Fix some typos.
7853 (GLR Semantic Actions): New subsection discussing special
7854 considerations because GLR semantic actions might be deferred.
7855 (Actions): Mention look-ahead usage of yylval.
7856 (Actions and Locations): Mention look-ahead usage of yylloc.
7857 (Special Features for Use in Actions): Add YYEOF entry and mention it
7858 in the yychar entry.
7859 In the yychar entry, remove mention of the local yychar case (pure
7860 parser) since this is irrelevant information when writing semantic
7861 actions and since it's already discussed in `Table of Symbols' where
7862 yychar is otherwise described as an external variable.
7863 In the yychar entry, don't call it the `current' look-ahead since it
7864 isn't when semantic actions are deferred.
7865 In the yychar and yyclearin entries, add note about deferred semantic
7867 Add yylloc and yylval entries discussing look-ahead usage.
7868 (Look-Ahead Tokens): When discussing yychar, don't call it the
7869 `current' look-ahead, and do mention yylval and yylloc.
7870 (Error Recovery): Cross-reference `Action Features' when mentioning
7872 (Table of Symbols): In the yychar entry, don't call it the `current'
7874 In the yylloc and yylval entries, mention look-ahead usage.
7876 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7878 * tests/glr-regression.at: Update copyright year to 2006.
7880 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7882 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
7883 use during nondeterministic operation to track which stacks have
7884 actually needed the current lookahead.
7885 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
7886 Allocate, deallocate, resize, and otherwise shuffle space for
7887 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
7888 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
7889 appropriately during nondeterministic operation.
7890 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
7891 members to store the current lookahead to be used by the deferred
7893 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
7894 from which the RHS is taken. Set the lookahead members of the new
7895 yySemanticOption according to the lookahead status for stack yyk.
7896 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
7897 yyaddDeferredAction.
7898 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
7899 members of yySemanticOption before invoking yyuserAction, and then set
7900 them back to their current values afterward.
7901 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
7902 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
7903 * tests/glr-regression.at: Remove `.' from the ends of recent test case
7904 titles for consistency.
7905 (Leaked merged semantic value if user action cuts parse): In order to
7906 suppress lint warnings, use arguments in merge function, and assign
7907 char value < 128 in main.
7908 (Incorrect lookahead during deterministic GLR): New test case.
7909 (Incorrect lookahead during nondeterministic GLR): New test case.
7911 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7913 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
7914 !yyvaluep as signal that no semantic value is available to print.
7915 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
7916 to print a semantic value.
7918 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7920 * tests/glr-regression.at: For consistency with my newer test cases,
7923 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
7925 * data/glr.c (yyresolveValue): When merging semantic options, if at
7926 least one user action succeeds but a later one cuts the parse, then
7927 destroy the semantic value before returning rather than leaking it.
7928 (yyresolveStates): If a user action cuts the parse and thus
7929 yyresolveValue fails, ignore the (unset) semantic value rather than
7930 corrupting the yyGLRState, and empty the semantic options list since
7931 the user actions should have called all necessary destructors.
7932 Simplify code with YYCHK.
7933 * tests/glr-regression.at (Corrupted semantic options if user action
7934 cuts parse): New test case.
7935 (Undesirable destructors if user action cuts parse): New test case.
7936 Before applying any of this patch, this test case never actually failed
7937 for me... but only because the corrupted semantic options usually
7939 (Leaked merged semantic value if user action cuts parse): New test
7942 2006-01-05 Akim Demaille <akim@epita.fr>
7944 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
7946 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
7948 * data/c.m4 (b4_c_modern): New macro, with a new provision for
7949 _MSC_VER. Problem reported by Cenzato Marco.
7950 (b4_c_function_def): Use it.
7951 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
7953 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
7954 than rolling our own.
7956 2006-01-04 Akim Demaille <akim@epita.fr>
7958 Also warn about non-used mid-rule values.
7959 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
7961 (symbol_list_new): Adjust.
7962 * src/reader.c (symbol_typed_p): New.
7963 (grammar_rule_check): Use it.
7964 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
7966 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
7968 * tests/actions.at (Exotic Dollars): Adjust.
7970 2006-01-04 Akim Demaille <akim@epita.fr>
7972 * src/reader.c (grammar_midrule_action): If $$ is set in a
7973 mid-rule, move the `used' bit to its lhs.
7974 * tests/input.at (Unused values): New.
7975 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
7977 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
7979 * doc/bison.texinfo (Bison Options): Say more accurately what
7981 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
7982 about declarations in the grammar when in Yacc mode, as POSIX does
7983 not require a diagnostic when the grammar uses extensions.
7985 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
7987 Warn about dubious constructions like "%token T T".
7989 * src/symtab.h (struct symbol.declared): New member.
7990 * src/symtab.c (symbol_new): Initialize it to false.
7991 (symbol_class_set): New arg DECLARING, specifying whether
7992 this is a declaration that we want to warn about, if there
7993 is more than one of them. All uses changed.
7995 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
7996 Allow multiple %union directives, whose contents concatenate.
7997 * src/parse-gram.y (grammar_declaration): Likewise.
7998 Use muscle_code_grow, so that we don't need stype_line any more.
8001 * src/muscle_tab.c (muscle_grow): Fix comment.
8003 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
8004 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
8005 Update copyright year to 2006.
8007 2006-01-03 Akim Demaille <akim@epita.fr>
8009 Have glr.cc pass (some of) the calc.at tests.
8010 * data/glr.cc (b4_parse_param_orig): New.
8011 (b4_parse_param): Improve its definition, and bound it more
8012 clearly in the skeleton.
8013 (b4_epilogue): Append, instead of prepending, in order to keep
8015 Simplify the generation of auxiliary functions: locations and
8016 purity are mandated.
8017 (b4_global_tokens_and_yystype): Honor it.
8018 * data/location.cc (c++.m4): Don't include it.
8019 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
8021 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
8023 Be sure to initialize the first position's filename.
8024 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
8026 (AT_CHECK_CALC_GLR_CC): New.
8027 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
8029 2006-01-02 Akim Demaille <akim@epita.fr>
8031 * src/output.c (output_skeleton): Don't hard wire the inclusion of
8033 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
8034 * data/glr.cc: Do not include stack.hh.
8036 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
8038 * data/glr.c: Reformat whitespace with tabs.
8039 (b4_lpure_formals): Remove this unused m4 macro.
8040 * tests/cxx-type.at: Reformat whitespace with tabs.
8041 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
8042 since it's a member. Rename type to isNterm for clarity.
8044 2005-12-29 Akim <akim@sulaco.local>
8046 Let glr.cc catch up with symbol_value_print.
8047 * data/glr.cc (b4_yysymprint_generate): Replace by...
8048 (b4_yy_symbol_print_generate): this.
8049 (yy_symbol_print, yy_symbol_value_print): Declare them.
8051 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
8053 * src/location.h (boundary): Note that a line or column equal
8054 to INT_MAX indicates an overflow.
8055 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
8056 (rule_length_overflow, increment_rule_length, add_column_width):
8058 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
8059 (<SC_BRACED_CODE>"}"):
8060 Use increment_rule_length rather than incrementing it by hand.
8061 (adjust_location, handle_syncline): Diagnose overflow.
8062 (handle_action_dollar, handle_action_at):
8063 Fix bug with monstrosities like $-2147483648.
8064 Remove now-unnecessary checks.
8065 (scan_integer): Verify assumptions and remove now-unnecessary checks.
8066 (convert_ucn_to_byte): Verify assumptions.
8067 (handle_syncline): New arg LOC. All callers changed.
8068 Don't store through a value derived from char const * pointer.
8070 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
8073 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
8075 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
8076 Remove unnecessary forward static decls.
8078 2005-12-27 Akim Demaille <akim@epita.fr>
8080 * src/reader.c (grammar_current_rule_check): Also check that $$
8082 Take the rule to check as argument, hence rename as...
8083 (grammar_rule_check): this.
8084 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
8086 (grammar_rule_begin, grammar_rule_end): these, for consistency.
8087 (grammar_midrule_action, grammar_symbol_append): Now static.
8088 * tests/torture.at (input): Don't rely on the default action
8089 being always performed.
8090 * tests/calc.at: "Set" $$ even when the action is "cut" with
8092 * tests/actions.at (Exotic Dollars): Instead of using unused
8093 values, check that the warning is issued.
8095 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
8097 * NEWS: Improve wording for unused-value warnings.
8099 2005-12-22 Akim Demaille <akim@epita.fr>
8101 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
8102 (b4_yysymprint_generate): Rename as...
8103 (b4_yy_symbol_print_generate): this.
8104 Generate yy_symbol_print instead of yysymprint.
8105 Generate also yy_symbol_value_print, and use it.
8107 2005-12-22 Akim Demaille <akim@epita.fr>
8109 * NEWS: Warn about unused values.
8110 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
8112 (symbol_list_n_get, symbol_list_n_used_set): New.
8113 (symbol_list_n_type_name_get): Use symbol_list_n_get.
8114 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
8115 * src/reader.c (grammar_current_rule_check): Check that values are
8117 * src/symtab.c (symbol_print): Accept 0.
8118 * tests/existing.at: Remove the type information.
8120 Remove useless actions (beware of mid-rule actions: perl -000
8121 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
8122 * tests/actions.at (Exotic Dollars): Use unused values.
8123 * tests/calc.at: Likewise.
8124 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8127 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
8130 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
8132 Undo 2005-12-01 tentative license wording change. The wording is
8133 still being reviewed by the lawyers, and we don't want to wait for
8134 them before publishing a test release. For now, revert to the
8136 * NEWS: Undo 2005-12-01 change.
8137 * data/glr.c: Revert to previous license wording.
8138 * data/glr.cc: Likewise.
8139 * data/lalr1.cc: Likewise.
8140 * data/location.cc: Likewise.
8141 * data/yacc.c: Likewise.
8143 * NEWS: Reword %destructor vs YYABORT etc.
8144 * data/glr.c: Use American spacing, for consistency.
8145 * data/glr.cc: Likewise.
8146 * data/lalr1.cc: Likewise.
8147 * data/yacc.c: Likewise.
8148 * data/yacc.c: Reformat comments slightly.
8149 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
8150 for consistency. Fix some spelling errors and reword recently-included
8152 * tests/cxx-type.at: Cast results of malloc, for C++.
8154 2005-12-21 Joel E. Denny <address@hidden>
8156 * tests/cxx-type.at: Construct a tree, count the parents of shared
8157 nodes, and free each node once and only once. Previously, the memory
8158 for semantic values was leaked instead.
8160 2005-12-21 Joel E. Denny <address@hidden>
8162 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
8163 (yylval, yylloc): If pure, #define to yystackp->yyval and
8164 yystackp->yyloc similar to yychar and yynerrs.
8165 (yyparse): If pure, remove local yylval and yylloc. Add local
8166 yystackp to accommodate pure definitions of yylval and yylloc.
8167 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
8168 yylvalp and yyllocp to &yylval and &yylloc.
8169 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
8170 namespace. Previously, nerrs and char were missing, but lval and lloc
8172 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
8173 yylvalp and yyllocp parameters since, if pure, these are now always
8174 accessible through yystackp. If not pure, they are still accessible
8176 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
8177 `if (YYID (N))' to pacify lint.
8179 2005-12-21 Akim Demaille <akim@epita.fr>
8181 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
8182 destroy the RHS symbols of a rule.
8183 * data/yacc.c (yylen): Initialize to 0.
8184 Keep its value to the number of items to possibly shift.
8185 In particular, a regular successful parse that ends on YYFINAL by
8186 a (internal) YYACCEPT must not have yylen != 0.
8187 (yyerrorlab, yyreturn): Pop the RHS.
8188 Reorder a bit to emphasize the `shifting' bits of code.
8189 (YYPOPSTACK): Now accept a number of items to pop.
8190 * data/lalr1.cc: Likewise.
8191 * data/glr.c: Formatting changes.
8192 Use goto instead of fall through.
8193 * doc/bison.texinfo (Destructor Decl): Complete.
8195 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8197 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8198 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
8199 * djgpp/config.bat: Replace every occurence of the file name
8200 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8201 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8202 * djgpp/config.sed: Replace every occurence of the file name
8203 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8204 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8205 * djgpp/djunpack.bat: DJGPP specific file.
8206 * djgpp/fnchange.lst: DJGPP specific file.
8207 * djgpp/README.in: Add new information about how to unpack the bison
8208 source on MSDOS and other systems which have 8.3 file name restrictions
8209 using djunpack.bat and fnchange.lst.
8211 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
8213 * bootstrap (build_cvs_prefix): Remove; unused.
8214 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
8215 when getting gnulib.
8217 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
8219 * data/glr.c: Reorder typedef declarations for structs to match order
8220 of struct declarations.
8221 Rename yystack everywhere to yystackp except in yyparse where it's not
8223 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
8225 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
8226 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
8227 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
8230 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
8232 * tests/sets.at (Accept): Fix typos in regular expression used to
8233 sed out the final state number.
8235 Work around portability problem on Solaris 10: flex-generated
8236 files include <stdio.h> before <config.h>, which messes up
8237 because the latter defines __EXTENSIONS__. Address the problem
8238 by creating two new little files that include <config.h> first,
8239 then include the flex-generated files. Rewrite everyone else
8240 to include <config.h> first, as well.
8241 * lib/timevar.c: Always include "config.h".
8242 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
8243 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
8244 (EXTRA_bison_SOURCES): New macro.
8245 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
8246 * src/system.h: Don't include config.h.
8247 * src/LR0.c: Include <config.h> first.
8248 * src/assoc.c: Likewise.
8249 * src/closure.c: Likewise.
8250 * src/complain.c: Likewise.
8251 * src/conflicts.c: Likewise.
8252 * src/derives.c: Likewise.
8253 * src/files.c: Likewise.
8254 * src/getargs.c: Likewise.
8255 * src/gram.c: Likewise.
8256 * src/lalr.c: Likewise.
8257 * src/location.c: Likewise.
8258 * src/main.c: Likewise.
8259 * src/muscle_tab.c: Likewise.
8260 * src/nullable.c: Likewise.
8261 * src/output.c: Likewise.
8262 * src/parse-gram.y: Likewise.
8263 * src/print.c: Likewise.
8264 * src/print_graph.c: Likewise.
8265 * src/reader.c: Likewise.
8266 * src/reduce.c: Likewise.
8267 * src/relation.c: Likewise.
8268 * src/state.c: Likewise.
8269 * src/symlist.c: Likewise.
8270 * src/symtab.c: Likewise.
8271 * src/tables.c: Likewise.
8272 * src/uniqstr.c: Likewise.
8273 * src/vcg.c: Likewise.
8275 * src/parse-gram.y: Fix minor problems uncovered by lint.
8276 (current_lhs, current_lhs_location): Now static.
8277 (current_assoc): Remove unused variable.
8279 Cleanups so that Bison-generated parsers have less lint.
8280 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
8281 Prepend /*ARGSUSED*/, for lint's sake.
8282 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
8283 definition if 'lint' is defined.
8284 (YYID): New macro (or function, if lint).
8285 All uses of /*CONSTCOND*/0 replaced by YYID(0).
8286 * data/yacc.c: Likewise.
8287 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
8288 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
8289 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
8291 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
8292 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
8293 Use YYID(0) rather than 0, for lint.
8294 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
8295 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
8297 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
8299 * tests/glr-regression.at
8300 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8301 Close memory leak reported by twlevo.
8303 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
8305 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
8307 (yyparse): Iterate another stack in order to call user destructors.
8308 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8310 (Duplicated user destructor for lookahead): This test now is expected
8313 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
8315 * NEWS: Document the following change.
8316 * data/yacc.c: Say "parser skeleton" rather than "file", since
8317 it's no longer just a file.
8318 * data/glr.c: Grant a special exception for C GLR parsers, that
8319 reads like the already-existing exception for C LALR(1) parsers.
8320 * data/glr.cc: Likewise.
8321 * data/lalr1.cc: Likewise.
8322 * data/location.cc: Likewise.
8323 * data/yacc.c: Reword the "written by" statement to clarify that
8324 it was the parser skeleton, not the entire output file.
8325 * data/glr.c: Written by Paul Hilfinger.
8326 * data/glr.cc: Written by Akim Demaille.
8327 * data/lalr1.cc: Likewise.
8329 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
8331 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
8332 Fix typos in previous change that broke 'make check'.
8333 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
8335 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
8336 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
8337 We can revert this once things settle down.
8339 * src/conflicts.c (conflicts_print): Don't print file name twice
8340 when %expect fails because there were no conflicts.
8341 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
8343 * tests/conflicts.at (%expect not enough, %expect too much):
8344 (%expect with reduce conflicts): Adjust to new behavior.
8346 2005-11-18 Akim Demaille <akim@epita.fr>
8348 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
8350 * NEWS: Document this.
8351 * doc/bison.texinfo (Expect Decl): Likewise.
8353 2005-11-16 Akim Demaille <akim@epita.fr>
8355 Generalize the display of semantic values and locations in traces.
8356 * data/glr.c (yy_reduce_print): Fix indices (again).
8357 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
8359 * data/lalr1.cc (yyreduce_print): Rename as...
8360 (yy_reduce_print): this.
8361 Display values and locations.
8362 * data/yacc.c (yy_reduce_print): Likewise.
8363 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
8364 (yysymprint): Move higher to be visible from yy_reduce_print).
8366 * tests/calc.at: Adjust the expected length of the traces.
8368 2005-11-14 Akim Demaille <akim@epita.fr>
8370 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
8371 from 1 to N, while values and location start at 0.
8372 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
8374 2005-11-14 Akim Demaille <akim@epita.fr>
8376 * data/glr.c (yy_reduce_print): Fix the $ number.
8378 2005-11-14 Akim Demaille <akim@epita.fr>
8380 "Use" parse parameters.
8381 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
8382 * data/glr.c, data/glr.cc: Use them.
8383 * data/glr.c (YYUSE): Have a C++ definition that supports
8386 2005-11-14 Akim Demaille <akim@epita.fr>
8388 * data/glr.c (yyexpandGLRStack): Declare only if defined.
8390 2005-11-14 Akim Demaille <akim@epita.fr>
8393 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
8395 2005-11-12 Akim Demaille <akim@epita.fr>
8397 Let position and location be PODs.
8398 * data/location.cc (position::initialize, location::initialize): New.
8399 (position::position, location::location): Define only if
8400 b4_location_constructors is defined.
8401 * data/lalr1.cc (b4_location_constructors): Define it for backward
8403 * doc/bison.texinfo (Initial Action Decl): Use initialize.
8405 2005-11-12 Akim Demaille <akim@epita.fr>
8407 * data/lalr1.cc: Move the body of the ctor and dtor into the
8408 parser file (instead of the header).
8409 Wrap the implementations in a "namespace yy".
8411 2005-11-12 Akim Demaille <akim@epita.fr>
8413 Have glr.c include its header file when created.
8414 * data/glr.c (b4_shared_declarations): New.
8415 Output them verbatim in the parser if !%defines, otherwise
8416 output then in the header file, and include it instead.
8418 2005-11-11 Akim Demaille <akim@epita.fr>
8420 * data/glr.c: Comment changes.
8422 2005-11-11 Akim Demaille <akim@epita.fr>
8424 When yydebug, report semantic and location values for reductions.
8425 * data/glr.c (yy_reduce_print): Report the semantic values and the
8427 (YY_REDUCE_PRINT): Adjust.
8428 (yyglrReduce): Use them.
8429 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
8430 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
8431 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
8434 2005-11-10 Akim Demaille <akim@epita.fr>
8436 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
8437 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
8438 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
8440 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
8442 * m4/cxx.m4, examples/Makefile.am: Don't build
8443 examples/calc++ if no C++ compiler is available. (trivial change)
8445 2005-11-09 Akim Demaille <akim@epita.fr>
8447 * src/scan-skel.l: Use a couple of asserts.
8449 2005-11-03 Akim Demaille <akim@epita.fr>
8451 In some (weird) cases, the final state number is incorrect.
8452 Reported by Alexandre Duret-Lutz.
8453 * src/LR0.c (state_list_append): Remove the computation of
8455 (save_reductions): Do it here.
8456 (get_state): Alpha conversion.
8457 (generate_states): Use a for loop.
8458 * src/gram.h (item_number_is_rule_number)
8459 (item_number_is_symbol_number): New.
8460 * src/state.c: Use assert.
8461 * src/system.h: Include assert.h.
8462 * tests/sets.at (Accept): New.
8464 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8466 * data/glr.c (yyfill): Adjust comment.
8467 (yyresolveAction): Initialize default location properly
8468 for empty right-hand sides.
8469 (yydoAction): Ditto.
8470 Add comment explaining apparently dead code.
8471 * tests/glr-regression.at
8472 (Incorrectly initialized location for empty right-hand side in GLR):
8475 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
8477 * bootstrap (cleanup_gnulib): New function. Use it to clean up
8478 gnulib when interrupted. This fixes some race conditions and
8479 works around some portability problems (one noted by Paul
8482 2005-10-22 Akim <akim@epita.fr>
8484 * Makefile.cfg: Adjust to config -> build-aux.
8487 2005-10-21 Akim Demaille <akim@epita.fr>
8489 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
8491 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
8492 * data/yacc.c (b4_Pure_if): Rename as...
8493 (b4_yacc_pure_if): this.
8494 (YY_SYMBOL_PRINT, yyparse): Adjust.
8495 * doc/bison.texinfo: Formatting changes.
8497 2005-10-21 Akim Demaille <akim@epita.fr>
8499 Finish the transition config -> build-aux.
8500 * configure.ac, Makefile.am: Use build-aux.
8501 * config/prev-version, config/announce-gen, config/Makefile.am:
8503 * build-aux/prev-version, build-aux/announce-gen,
8504 * build-aux/Makefile.am: here.
8506 2005-10-14 Akim Demaille <akim@epita.fr>
8508 * examples/calc++/test: Use set -x only when VERBOSE.
8510 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
8512 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
8513 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
8515 2005-10-13 Akim Demaille <akim@epita.fr>
8517 * src/scan-skel.l: Output the base name parts of the parser and
8519 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
8521 Use this to exercise C++ outputs in subdirs.
8522 Reported by Oleg Smolsky.
8524 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
8526 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
8527 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
8528 Problem reported by John P. Hartmann.
8529 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
8532 2005-10-12 Akim Demaille <akim@epita.fr>
8534 * src/parse-gram.y (version_check): Exit 63 to please missing
8535 (stands for "version mismatch).
8536 * tests/input.at, doc/bison.texinfo: Adjust.
8538 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
8540 Work around portability problems with Visual Age C compiler
8541 (xlc and xlC_r) reported by John P. Hartmann.
8542 * data/location.cc (initial_column, initial_line): Remove.
8543 All uses replaced by 0 and 1.
8544 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
8545 that xlc complains about.
8546 * src/scan-skel.l (skel_wrap): Likewise.
8547 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
8549 * data/yacc.c (YYMODERN_C): New macro, which also looks at
8550 __STDC_VERSION__. Use it everywhere instead of looking at
8551 __STDC__ and __cplusplus.
8553 2005-10-10 Akim Demaille <akim@epita.fr>
8555 * examples/calc++/test: Be quiet unless VERBOSE.
8557 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
8559 * data/c.m4 (yydestruct, yysymprint):
8560 Use YYUSE instead of casting to void.
8561 * data/glr.c (YYUSE): New macro.
8562 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8563 Use it instead of rolling our own.
8564 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8566 Use /*CONSTCOND*/ to suppress lint warnings.
8567 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8568 (YY_STACK_PRINT): Use 'false' not '0'.
8570 (yysymprint_, yydestruct_): Use it instead of rolling our own.
8571 * data/yacc.c (YYUSE): New macro.
8572 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
8573 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
8574 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
8577 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
8578 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
8580 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
8582 Undo the parts of the unlocked-I/O change that substituted
8583 putc or puts for printf. This might hurt performance a bit,
8584 but some people prefer the printf style.
8585 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
8586 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
8587 All uses replaced by YYFPRINTF and YYDPRINTF.
8588 * data/yacc.c: Likewise.
8589 * lib/bitset.c (bitset_print): Likewise.
8590 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
8592 * lib/lbitset.c (debug_lbitset): Likewise.
8593 * src/closure.c (print_firsts, print_fderives): Likewise.
8594 * src/gram.c (grammar_dump): Likewise.
8595 * src/lalr.c (look_ahead_tokens_print): Likewise.
8596 * src/output.c (escaped_output): Likewise.
8597 (user_actions_output): Break apart two printfs.
8598 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
8599 * src/reduce.c (reduce_print): Likewise.
8600 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8601 * src/system.h: Include unlocked-io.h rathe than stdio.h.
8603 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8604 Use assignments rather than casts-to-void to suppress
8605 unused-variable warnings. This pacifies 'lint'.
8606 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
8607 unused-variable warnings.
8609 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8611 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8613 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
8615 Use unlocked I/O for a minor performance improvement on hosts like
8616 GNU/Linux and Solaris that support unlocked I/O. The basic idea
8617 is to use the gnlib unlocked-io module, and to prefer putc and
8618 puts to printf when either will work (since the latter doesn't
8619 come in an unlocked flavor).
8620 * bootstrap (gnulib_modules): Add unlocked-io.
8621 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
8622 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
8623 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
8624 and similarly for puts and putc and printf.
8625 * data/yacc.c: Likewise.
8626 * lib/bitset.c (bitset_print): Likewise.
8627 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
8628 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
8630 * lib/lbitset.c (debug_lbitset): Likewise.
8631 * src/closure.c (print_firsts, print_fderives): Likewise.
8632 * src/gram.c (grammar_dump): Likewise.
8633 * src/lalr.c (look_ahead_tokens_print): Likewise.
8634 * src/output.c (escaped_output): Likewise.
8635 (user_actions_output): Coalesce two printfs.
8636 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
8637 * src/reduce.c (reduce_print): Likewise.
8638 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8639 * src/system.h: Include unlocked-io.h rather than stdio.h.
8641 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
8642 this confuses xgettext.
8644 2005-10-02 Akim Demaille <akim@epita.fr>
8646 * bootstrap (gnulib_modules): Add strverscmp.
8647 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
8648 * m4/.cvsignore: Add strverscmp.m4.
8649 * src/parse-gram.y (%require): New token, new rule.
8650 (version_check): New.
8651 * src/scan-gram.l (%require): Adjust.
8652 * tests/input.at (AT_REQUIRE): New.
8654 * doc/bison.texinfo (Require Decl): New.
8655 (Calc++ Parser): Use %require.
8657 2005-10-02 Akim Demaille <akim@epita.fr>
8659 * data/location.cc: New.
8661 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
8662 Akim Demaille <akim@epita.fr>
8664 Make sure -odir/foo.cc creates dir/location.hh etc.
8665 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
8666 (spec_file_prefix, spec_verbose_file, spec_graph_file)
8667 (spec_defines_file): Now const.
8669 (short_base_name): Remove.
8670 * src/files.c: Adjust.
8671 (dirname.h): Include.
8672 (base_name): Don't prototype it.
8673 (finput): Remove, duplicates gram_in.
8674 (full_base_name, short_base_name): Replace by...
8675 (all_but_ext, all_but_tab_ext): these.
8676 (compute_base_names): Rename as...
8677 (compute_file_name_parts): this.
8678 Update to compute the new variables, including dir_prefix.
8679 Adjust dependencies.
8680 * src/output.c (prepare): Output them.
8681 * src/reader.c: Adjust to use gram_in, not finput.
8682 * src/scan-skel.l (@dir_prefix@): New.
8684 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8686 * lib/subpipe.c: New function end_of_output_subpipe() added
8687 to allow support for non-posix systems. This is a no-op function
8690 * lib/subpipe.h: New function end_of_output_subpipe() added
8691 to allow support for non-posix systems. This is a no-op function
8694 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
8695 handle the lack of pipe/fork functionality on non-posix systems.
8697 * djgpp/Makefile.maint: DJGPP specific file.
8699 * djgpp/README.in: DJGPP specific file.
8701 * djgpp/config.bat: DJGPP specific configuration file.
8703 * djgpp/config.sed: DJGPP specific configuration file.
8705 * djgpp/config.site: DJGPP specific configuration file.
8707 * djgpp/config_h.sed: DJGPP specific configuration file.
8709 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
8711 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
8713 2005-10-02 Akim Demaille <akim@epita.fr>
8715 * data/location.cc: New, extract from...
8716 * data/lalr1.cc: here.
8717 (location.hh): Include it after the user prologue, in case the
8718 filename type is defined by the user.
8719 Forward declation location and position before the pre-prologue.
8720 (yyresult_): Rename as...
8721 (yyresult): this, it's a local variable, not an attribute.
8722 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
8724 2005-10-01 Akim Demaille <akim@epita.fr>
8726 * examples/extexi: Restore the #line generation.
8728 2005-09-30 Akim Demaille <akim@epita.fr>,
8729 Alexandre Duret-Lutz <adl@gnu.org>
8731 Move the token type and YYSTYPE in the parser class.
8732 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
8733 (parser::token): New, from the moved free definition of tokens.
8734 (parser::semantic_value): Now a full definition instead of an
8735 indirection to YYSTYPE.
8736 (b4_post_prologue): No longer included in the header file, but
8737 in the implementation file.
8738 * doc/bison.texi (C+ Language Interface): Update.
8739 * src/parse-gram.y: Support unary %define.
8740 * tests/actions.at: Define global_tokens_and_yystype for backward
8741 compatibility until we update the tests.
8742 * tests/calc.at: Idem.
8743 (first_line, first_column, last_line, last_column): Define for lalr1.cc
8744 to simplify the code.
8746 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
8748 Port to SunOS 4.1.4, which lacks strtoul and strerror.
8749 Ah, the good old days! Problem reported by Peter Klein.
8750 * bootstrap (gnulib_modules): Add strerror, strtoul.
8751 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
8752 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
8754 2005-09-29 Akim Demaille <akim@epita.fr>
8756 * data/c.m4 (b4_error_verbose_if): New.
8757 * data/lalr1.cc: Use it.
8758 (YYERROR_VERBOSE_IF): Remove.
8759 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
8760 parser members, replaced by...
8761 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
8763 (yysyntax_error_): Takes the state number as argument.
8764 (yyreduce_print_): Use the argument yyrule, not the former
8767 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
8769 * bootstrap (gnulib_modules): Add verify.
8770 * lib/.cvsignore: Add verify.h.
8771 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
8772 * src/system.h (verify): Remove.
8773 Include verify.h instead.
8774 * src/tables.c (tables_generate): Use new API for 'verify'.
8776 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
8778 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
8779 local variables whose names begin with 'yy'.
8780 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
8781 Trivial changes from Joel E. Denny.
8783 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
8785 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
8786 don't use alloca any more.
8788 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
8789 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
8790 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
8791 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
8792 to match yacc.c, to test more hosts.
8794 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
8796 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
8797 doesn't affect behavior.
8798 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
8800 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
8801 This works a bit better with glibc, if user code has already included
8803 * doc/bison.texinfo (Bison Parser): Document that users can't
8804 arbitrarily use malloc and free for other purposes. Document
8805 that <alloca.h> and <malloc.h> might be included.
8806 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
8807 user must declare alloca.
8809 * HACKING (release): Forwarn the Translation Project about
8812 2005-09-20 Akim Demaille <akim@epita.fr>
8814 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
8816 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
8818 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
8819 (YYSTACK_ALLOC_MAXIMUM): Use it.
8820 (yysyntax_error): New function.
8821 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
8822 multiple syntax errors are reported, and alloca is being used.
8823 Instead, reallocate buffers twice as big each time, so that
8824 we waste at most half the allocated memory. Start with a small
8825 (128-byte) buffer that will suffice in most cases anyway.
8826 Use yysyntax_error to do most of the work.
8828 * doc/bison.texinfo (Error Reporting, Table of Symbols):
8829 yynerrs is the number of errors reported, not the number of
8832 * tests/glr-regression.at (Duplicated user destructor for lookahead):
8833 Mark it as expected to fail.
8834 Cast result of malloc; problem reported by twlevo@xs4all.nl.
8835 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
8836 Don't start user-code symbols with "yy", to avoid name space problems.
8838 2005-09-19 Akim Demaille <akim@epita.fr>
8840 Remove the traits, failed experiment.
8841 It never proved useful, and anyway because of the current
8842 definition, it was not possible to have several specialization of
8843 this traits, making it useless.
8844 * data/lalr1.cc (yy:traits): Remove.
8845 Inline its definitions in the parser class.
8847 2005-09-19 Akim Demaille <akim@epita.fr>
8849 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
8850 least Mac OSX with a /usr/local install of gettext.
8852 2005-09-19 Akim Demaille <akim@epita.fr>
8854 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
8855 and yytoken for similarity with the other skeletons.
8857 2005-09-19 Akim Demaille <akim@epita.fr>
8859 * NEWS, configure.ac: update version number to 2.1a.
8861 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
8863 * NEWS: Version 2.1.
8865 * NEWS: Remove notice of yytname change, since it was never in an
8867 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
8869 * src/output.c (prepare): Likewise.
8870 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
8871 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
8872 is not defined. This is an awful hack, but it's enough for now.
8873 All callers changed.
8874 * tests/glr-regression-at (make_value): Args are const pointers now,
8875 to avoid GCC warning.
8876 (Duplicated user destructor for lookahead): New test. Currently
8877 skipped. It fails on my host but I'm not sure it'll always fail.
8879 2005-09-16 Akim Demaille <akim@epita.fr>
8881 * src/symtab.h (struct symbol): Declare the printer and destructor
8882 as const, to avoid accidental calls to free.
8883 (symbol_destructor_set, symbol_printer_set): Adjust.
8884 * src/symtab.c: Adjust.
8886 2005-09-16 Akim Demaille <akim@epita.fr>
8888 * data/c.m4 (b4_token_enums): New.
8889 (b4_token_defines): Rename as...
8890 (b4_token_enums_defines): this.
8891 (b4_token_defines): New, output only the #defines.
8892 * data/yacc.c, data/glr.c: Adjust.
8893 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
8894 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
8897 2005-09-16 Akim Demaille <akim@epita.fr>
8899 * data/lalr1.cc (yylex_): Remove, inline its code.
8900 (yyreport_syntax_error_): Remove, replaced by...
8901 (yysyntax_error_): this which returns a string and leaves to the
8902 caller the call to the users' error function.
8903 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
8904 Move from members of the parser object...
8905 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
8906 to local variables of the parse function.
8908 2005-09-16 Akim Demaille <akim@epita.fr>
8910 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
8911 since it's in Bison's name space.
8913 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
8915 * data/glr.c (yyresolveValue): Add default case to pacify
8916 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
8918 * NEWS: Document when yyparse started to return 2.
8919 * doc/bison.texinfo (Parser Function): Document when yyparse
8922 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
8923 (b4_filename_type): Renamed back from b4_file_name_type. All uses
8925 (class position): file_name -> filename (reverting). All uses changed.
8927 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
8929 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
8930 do anything if $@ exists. This reverts part of the 2005-07-07
8933 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
8935 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
8936 contains obsolete information and isn't worth distributing as a
8937 separate file anyway.
8938 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
8939 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
8940 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
8941 (yyparse): Abort if user code uses longjmp to throw an unexpected
8944 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
8946 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
8947 Suggested by twlevo@xs4all.nl.
8949 * data/glr.c (YYCHK1): Do not assume YYE is in range.
8950 This avoids a diagnostic from gcc -Wswitch-enum.
8951 Problem reported by twlevo@xs4all.nl.
8953 * doc/bison.texinfo: Don't use "filename", as per GNU coding
8954 standards. Use "file name" or "file" or "name", depending on
8956 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
8957 not to hack/foo.tab.c.
8958 (Calc++ Top Level): 2nd arg of main is not const.
8959 * data/glr.c: b4_filename -> b4_file_name.
8960 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
8962 (class position): filename -> file_name. All uses changed.
8963 * data/yacc.c: b4_filename -> b4_file_name.
8964 * lib/bitset.h: filename -> file_name in local vars.
8965 * lib/bitset_stats.c: Likewise.
8966 * src/files.c: Likewise.
8967 * src/scan-skel.l ("@output ".*\n): Likewise.
8968 * src/files.c (file_name_split): Renamed from filename_split.
8969 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
8971 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
8973 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
8974 to accommodate latest gnulib.
8976 * tests/glr-regression.at (Duplicate representation of merged trees):
8977 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
8979 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
8982 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
8984 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
8985 All uses changed. Invoke user destructor after an error during a
8986 split parse (trivial change from Joel E. Denny).
8988 * tests/glr-regression.at
8989 (User destructor after an error during a split parse): New test case.
8990 Problem reported by Joel E. Denny in:
8991 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
8993 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
8995 * README-cvs: Give URLs for recommended tools.
8996 Mention Gzip version problem, and bootstrapping issues.
8997 Remove troubleshooting section, as it's somewhat obsolete.
8999 * bootstrap (no_cache): New var, to accommodate different wget
9000 variants. Use it instead of '-C off'. Problem reported by
9003 * data/glr.c (yydestroyStackItem): New function.
9004 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
9005 debugging information. Problem reported by Joel E. Denny.
9007 2005-08-25 Akim Demaille <akim@epita.fr>
9009 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
9011 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
9013 * data/glr.c (yyrecoverSyntaxError, yyreturn):
9014 Don't invoke destructor on unresolved entries.
9015 * tests/glr-regression.at
9016 (User destructor for unresolved GLR semantic value): New test case.
9017 Problem reported by Joel E. Denny in:
9018 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
9020 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
9022 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
9024 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
9025 lib-prefix.m4, po.m4.
9027 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
9028 in yydestruct diagnostic, since it might not be an error.
9029 Problem reported by Joel Denny near end of
9030 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
9031 * data/lalr1.cc (yyerturn): Likewise.
9032 * data/yacc.c (yyreturn): Likewise.
9033 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
9035 * src/files.c: Remove obsolete FIXME comment.
9037 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
9038 with the other templates, and to fix bogus run-on messages such
9039 as the one reported at the end of
9040 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
9041 All callers changed to avoid the newline.
9042 (yyprocessOneStack): Output two lines rather than one, to accommodate
9043 the above change. This changes the debug output format slightly.
9045 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
9046 reported by Joel E. Denny in
9047 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
9049 * tests/glr-regression.at (Duplicate representation of merged trees):
9050 New test, from Joel E. Denny in:
9051 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
9052 * THANKS: Add Joel E. Denny.
9054 * configure.ac (AC_INIT): Bump to 2.0c.
9056 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
9058 * NEWS: Version 2.0b.
9060 * Makefile.am (SUBDIRS): Put examples before tests, so that
9061 "make check" doesn't finish with "All 1 tests passed".
9063 * tests/regression.at (Token definitions): Don't rely on
9064 AT_PARSER_CHECK for data that contains backslashes. It currently
9065 uses 'echo', and 'echo' isn't portable if its argument contains
9066 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
9067 that the byte '\0xff' is not printable in the C locale; it is,
9068 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
9069 not printable, so use '\0x81' to test.
9071 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
9072 version of GCC, since the macro is used with non-GCC compilers.
9074 Fix core dump reported by Pablo De Napoli in
9075 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
9076 * tests/regression.at (Invalid inputs with {}): New test.
9077 * src/parse-gram.y (token_name): Translate type before using
9080 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
9081 the user's name space. All uses changed to __attribute__
9083 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
9084 Add __attribute__ ((__noreturn__)).
9086 * etc/clcommit: Remove. We weren't using it, and it failed
9087 "make maintainer-distcheck".
9088 * Makefile.maint: Merge from coreutils.
9089 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
9090 (syntax-check-rules): Change list of rules as described below.
9091 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
9092 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
9093 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
9094 (sc_trailing_space): New rules.
9095 (sc_xalloc_h_in_src): Remove.
9096 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
9097 (sc_space_tab, sc_error_exit_success, sc_changelog):
9098 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
9099 (makefile-check, po-check, author_mark_check):
9100 (makefile_path_separator_check, copyright-check):
9101 Use grep -n, to make it easier to find violations.
9102 Use CVS_LIST and CVS_LIST_EXCEPT.
9103 (header_regexp, h_re): Remove.
9105 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
9106 (my-distcheck): Use more-modern GCC flags.
9107 (signatures, %.asc): Remove.
9108 (rel-files, announcement): Remove signatures.
9109 Restore old updating code, even though we don't use it, so
9110 that we're the same as coreutils.
9111 (alpha, beta, major): Depend on news-date-check.
9112 Make the upload commands.
9114 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
9115 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
9116 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
9117 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
9118 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
9119 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
9120 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
9121 * tests/sets.at: Likewise.
9123 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
9124 we comment out the Autoconf version number.
9125 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
9126 it's error-prone and "make maintainer-distcheck" rejects it.
9128 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
9129 Indent calls to "error" to pacify "make maintainer-distcheck",
9130 when the calls are not intended to be translated.
9131 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
9133 * src/Makefile.am (DEFS): Use +=, to pacify
9134 "make maintainer-distcheck".
9135 (bison_SOURCES): Add scan-skel.h.
9136 (sc_tight_scope): New rule, from coreutils.
9138 * src/files.c (src_extension, header_extension):
9139 Now static, not extern.
9140 * src/getargs.c (short_options): Likewise.
9141 * src/muscle_tab.c (muscle_table): Likewise.
9142 * src/parse-gram.y (current_class, current_type, current_prec):
9144 * src/reader.c (grammar_end, previous_rule_end): Likewise.
9145 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
9146 * src/main.c (main): Cast bindtextdomain and textdomain calls to
9147 void, to avoid warning when NLS is disabled.
9148 * src/output.c: Include scan-skel.h.
9149 (scan_skel): Remove decl, since scan-skel.h does this.
9151 Indent calls to "error" to pacify "make maintainer-distcheck".
9152 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
9153 * src/reader.h (gram_end, gram_lineno): New decls to pacify
9154 "make maintainer-distcheck".
9155 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
9156 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
9157 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
9158 (skel_lex_destroy, scan_skel): Move these decls to...
9159 * src/scan-skel.h: New file.
9160 * src/uniqstr.c (uniqstr_assert):
9161 Indent calls to "error" to pacify "make maintainer-distcheck".
9163 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
9166 * tests/torture.at: Revamp to avoid misuse of atoi that
9167 "make maintainer-distcheck" complained about.
9169 * examples/extexi (message): Don't print a message more than once,
9170 and omit line-number decoration that makes Emacs compile think
9171 that informative messages are worth worrying about.
9173 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
9175 * configure.ac: Update version number.
9177 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
9179 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
9180 autogenerated by the maintainer.
9181 * examples/calc++/.cvsignore: Add *.yy.
9183 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
9184 * lib/bitset_stats.c (bitset_stats_init): Likewise.
9185 * lib/bitsetv.c (bitsetv_alloc): Likewise.
9187 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
9189 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
9190 from maintainer-distcheck about casting the argument of 'free'.
9192 * NEWS: Mention recent yytname changes.
9193 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
9195 * bootstrap: For translations that have not yet been upgraded to
9196 the new runtime-po domain, prime the pump by extracting the
9197 relevant strings from the obsolete translations. This code can be
9198 removed once the bison-runtime domain has been translated by each
9201 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
9202 now that token names are already quoted.
9204 Fix problem reported by Anthony Heading.
9205 * data/glr.c (YYTOKEN_TABLE): New macro.
9206 (yytname): Define if YYTOKEN_TABLE.
9207 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
9208 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
9209 (YYERROR_VERBOSE): Define the same way the other skeletons do.
9210 * src/output.c (prepare_symbols): Output token_table_flag.
9212 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
9214 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
9215 again if the first call fails.
9217 * data/glr.c (yytnamerr): New function.
9218 (yyreportSyntaxError): Use it to dequote most string literals.
9219 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
9220 with other skeletons. All uses changed.
9221 (yytnameerr_): New function.
9222 (yyreport_syntax_error): Use it to dequote most string literals.
9223 * data/yacc.c (yytnamerr): New function.
9224 (yyerrlab): Use it to decode most string literals.
9225 * doc/bison.texinfo (Decl Summary, Calling Convention):
9226 Clarify quoting convention of yytname.
9227 * src/output.c (prepare_symbols): Quote all names. This undoes
9228 the 2005-04-17 change, which is now accomplished (mostly) via
9229 changes in the parsers as described above.
9230 * tests/regression.at (Token definitions, Web2c Actions):
9231 Undo most 2005-04-17 change here, too.
9233 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
9235 Fix more problems reported by twlevo@xs4all.nl.
9236 * tests/cxx-type.at: Don't pipe output of ./types through sed to
9237 remove trailing spaces. This loses the exit status of ./types,
9238 and isn't needed since ./types shouldn't be emitting trailing
9240 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
9241 as the stack isn't valid in that case.
9243 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
9244 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
9245 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
9246 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
9248 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
9249 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
9250 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
9253 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
9254 overly-picky compilers that reject 'char *foo = "bar";'.
9256 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
9257 to FILE * parameter, not to stderr. This fixes a typo introduced
9258 in the 2005-07-12 change.
9260 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
9261 warnings from GCC 4.
9263 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
9264 (yyglrShiftDefer, yysplitStack):
9265 Remove unused parameters b4_pure_formals. All uses changed.
9266 (yyglrShift): Remove unused parameters b4_user_formals.
9268 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
9270 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
9272 Destructor cleanups and regularization among the three skeletons.
9273 * NEWS: Document the behavior changes.
9274 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
9275 stack before failing, as the cleanup code will do it for us now.
9276 * data/lalr1.cc (yyerrlab): Likewise.
9277 * data/glr.c (yyparse): Pop everything off the stack before
9278 freeing it, so that destructors get called properly.
9279 * data/lalr1.cc (yyreturn): Likewise.
9280 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
9281 This is more consistent.
9282 * doc/bison.texinfo (Destructor Decl): Mention more reasons
9283 why destructors might be called. 1.875 -> 2.1.
9284 (Destructor Decl, Decl Summary, Table of Symbols):
9285 Some English-language cleanups for %destructor.
9286 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9287 Add output line for destructor of start symbol.
9288 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
9289 because of that same extra output line.
9291 * NEWS: Document minor wording changes in diagnostics of
9292 Bison-generated parsers.
9293 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
9294 Remove unused formals. All uses changed.
9295 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
9296 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
9297 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
9298 Rename yyoverflowab to yyexhaustedlab.
9299 When memory exhaustion occurs during syntax-error reporting,
9300 report it separately rather than in a single diagnostic; this
9302 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
9303 (Memory Exhausted): Renamed from Parser Stack Overflow.
9304 Revamp wording slightly to prefer "memory exhaustion".
9305 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
9307 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
9309 Add i18n support to the GLR skeleton. Partially fix the C++
9310 skeleton; a C++ expert needs to finish this. Remove debugging
9311 msgids; there's little point to having them translated, since they
9312 can be understood only by someone who can read the
9313 (English-language) source code.
9315 Generate runtime-po/bison-runtime.pot automatically, so that we
9316 don't have to worry about garbage getting in that file. We'll
9317 make sure after the next official release that old msgids don't
9319 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
9321 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
9323 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
9324 Fix typos in explanations of the runtime file.
9325 * bootstrap: Change gettext keyword from YYI18N to YY_.
9326 Use standard Makefile.in.in in runtime-po, since we'll arrange
9327 for backward-compatible bison-runtime.po files in a different way.
9328 * data/glr.c (YY_): New macro, from yacc.c.
9329 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
9330 Translate messages intended for users.
9331 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
9332 the wording in the other skeletons. We don't know that the memory
9334 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
9335 Use same method that yacc.c uses.
9336 Don't translate debugging messages.
9337 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
9338 it doesn't work (yet), and requires C++ expertise to fix.
9339 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
9340 Move defn to a more logical place, to be consistent with other
9342 Don't translate debugging messages.
9343 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
9344 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
9345 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
9346 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
9348 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
9349 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
9351 * tests/glr-regression.at (Badly Collapsed GLR States):
9353 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9354 yylex should return 0 at EOF rather than aborting.
9356 Improve tests for stack overflow in GLR parser.
9357 Problem reported by twlevo@xs4all.nl.
9358 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
9360 (yyStackOverflow): Just longjmp, but with value 2 so that caller
9361 can handle the problem.
9362 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
9363 (yyparse): New local variable yyresult to record the result.
9364 Use result of setjmp to set it, rather than storing itinto
9366 (yyDone): Remove label.
9367 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
9368 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
9369 if YYABORT is used).
9370 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
9371 yyparse status; put status > 1 into diagnostic.
9372 Check that status==2 works.
9373 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
9374 Use exit status 3 for failure to open (which shouldn't happen).
9376 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
9378 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
9379 1 on syntax error; just let yyparse do its thing.
9380 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
9381 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
9382 (Exploding the Stack Size with Alloca):
9383 (Exploding the Stack Size with Malloc):
9384 Expect exit status 2, not 1, since the parser is supposed to blow
9385 its stack. Problem reported by twlevo@xs4all.nl.
9387 * data/glr.c (yyparse): Don't assume that the initial calls
9388 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
9389 Print a stack-overflow message and fail instead.
9390 Initialize the line-number information before creating the stack,
9391 so that the stack-overflow message can report line zero safely.
9393 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
9395 Fix problems reported by twlevo@xs4all.nl.
9396 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
9397 (yyuserMerge): Provide a default case if b4_mergers is empty.
9398 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
9399 * tests/glr-regression.at
9400 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9401 Add casts to pacify C++ compilers.
9402 * tests/glr-regression.at (Improper merging of GLR delayed action
9403 sets): Declare yylex before using it.
9404 * tests/Makefile.am (maintainer-check-g++): Fix a stray
9405 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
9406 test for valgrind; valgrind is independent of g++.
9407 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
9408 for compatibility with POSIX 1003.1-2001 (if running coreutils).
9409 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
9410 Use a destructor, so that we can expand the stack. Change
9411 YYSTYPE to char * so that we can free it. Cast result of malloc.
9413 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9415 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
9416 a valgrind failure. Problem reported by twlevo@xs4all.nl.
9418 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
9420 * PACKAGING: New file, suggested by Bruno Haible and taken from
9421 similar wording in gettext's PACKAGING file.
9422 * NEWS: Mention PACKAGING.
9423 * Makefile.am (EXTRA_DIST): Add PACKAGING.
9425 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
9427 * NEWS: Document recent i18n improvements.
9428 * bootstrap: Get runtime translations into runtime-po.
9429 Create runtime-po files automatically, if possible.
9430 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
9431 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
9432 does not infringe on the user's name space.
9433 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
9434 * doc/bison.texinfo (Internationalization): Revamp the English
9435 and Texinfo syntax a bit, to try to make it clearer.
9436 (Bison Options, Option Cross Key): Mention --print-localedir.
9437 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
9438 YYENABLE_NLS. Quote a bit more.
9439 * runtime-po/.cvsignore: New file.
9440 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
9441 * runtime-po/Rules-quot: Remove; now created by bootstrap.
9442 * runtime-po/quot.sed: Likewise.
9443 * runtime-po/boldquot.sed: Likewise.
9444 * runtime-po/en@quot.header: Likewise.
9445 * runtime-po/en@boldquot.header: Likewise.
9446 * runtime-po/insert-header.sin: Likewise.
9447 * runtime-po/remove-potcdate.sin: Likewise.
9448 * runtime-po/Makevars: Likewise.
9449 * runtime-po/LINGUAS: Likewise.
9450 * runtime-po/de.po: Likewise; we will rely on the translation project
9451 to maintain this, so "bootstrap" should get it.
9452 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
9454 * src/main.c (main): Bind the bison-runtime domain, too.
9456 2005-07-12 Bruno Haible <bruno@clisp.org>
9458 * data/yacc.c: Include <libintl.h> when NLS is enabled.
9459 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
9460 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
9461 * runtime-po: New directory.
9462 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
9463 $(DOMAIN).pot-update rule, so that old messages are never dropped.
9464 * runtime-po/Rules-quot: New file, copied from po/.
9465 * runtime-po/quot.sed: Likewise.
9466 * runtime-po/boldquot.sed: Likewise.
9467 * runtime-po/en@quot.header: Likewise.
9468 * runtime-po/en@boldquot.header: Likewise.
9469 * runtime-po/insert-header.sin: Likewise.
9470 * runtime-po/remove-potcdate.sin: Likewise.
9471 * runtime-po/Makevars: New file.
9472 * runtime-po/POTFILES.in: New file.
9473 * runtime-po/LINGUAS: New file.
9474 * runtime-po/bison-runtime.pot: New file.
9475 * runtime-po/de.po: New file.
9476 * m4/bison.m4: New file.
9477 * Makefile.am (SUBDIRS): Add runtime-po.
9478 (aclocaldir, aclocal_DATA): New variables.
9479 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
9481 * src/getargs.c (usage): Document --print-localedir option.
9482 (PRINT_LOCALEDIR_OPTION): New enum item.
9483 (long_options): Add --print-localedir option.
9484 (getargs): Handle --print-localedir option.
9485 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
9486 (Internationalization): New section.
9488 2005-07-12 Akim Demaille <akim@epita.fr>
9490 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
9491 for consistency with the rest of the code.
9492 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
9495 2005-07-12 Akim Demaille <akim@epita.fr>
9497 * src/parse-gram.y: Use %printer instead of YYPRINT.
9499 2005-07-12 Akim Demaille <akim@epita.fr>
9501 * src/symtab.h, src/symtab.c (symbol_print): New.
9502 * src/symlist.h, src/symlist.c (symbol_list_print): New.
9503 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
9505 2005-07-12 Akim Demaille <akim@epita.fr>
9507 * data/glr.c (b4_syncline): Fix (swap) the definitions of
9508 b4_at_dollar and b4_dollar_dollar.
9510 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
9512 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
9513 and Pennello's paper.
9515 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
9517 * data/yacc.c (yyparse): Undo previous patch. Instead,
9518 set yylsp[0] and yyvsp[0] only if the initial action
9519 sets yylloc and yylval, respectively.
9521 * data/yacc.c (yyparse): In the initial action, set
9522 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
9523 This avoids the use of undefined variables if the initial
9524 action does not set yylloc and/or yylval.
9526 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
9528 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
9529 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
9530 Remove from CVS. These files are automatically generated.
9531 * examples/extexi: Clarify that this file is now part of Bison,
9532 not GNU M4, and that it works with any POSIX-compatible Awk.
9533 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
9534 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
9535 so that we also get calc++-parser.yy. Geneate it.
9536 Use $(AWK), not gawk, since any conforming Awk will do.
9537 Put comment before action, since older 'make' can't handle comment
9539 $(BUILT_SOURCES): List all built sources, not just some of them.
9540 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
9541 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
9542 $($(calc_sources_generated)): Remove unnecessary test for existence
9543 of target. (This had a shell syntax error anyway; a stray "x".)
9544 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
9546 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
9548 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
9549 implied by the other modules.
9551 2005-07-06 Akim Demaille <akim@epita.fr>
9553 Bind examples/calc++ to the package.
9554 * examples/calc++/Makefile: Remove, replaced by...
9555 * examples/calc++/Makefile.am: ... this new file.
9556 * examples/calc++/test: Remove input.
9557 * examples/calc++/compile: Remove.
9558 * examples/Makefile.am: New.
9559 * configure.ac, Makefile.am: Adjust.
9560 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
9562 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
9564 * data/glr.c (yyFail): Drastically simplify; since the format argument
9565 never had any % directives, we can simply pass it to yyerror.
9566 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
9567 be modified later, as that is the usual style in glr.c.
9568 Problems reported by Paul Hilfinger.
9570 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
9571 and size overflow errors.
9572 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
9573 in case the user prolog sets feature-test macros like _GNU_SOURCE.
9574 (YYSIZEMAX): New macro.
9575 (yystpcpy): New function, taken from yacc.c.
9576 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
9577 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
9578 so that we don't have to maintain their signatures.
9579 (yyFail): Check for buffer overflow, by using vsnprintf rather
9580 than vsprintf. Allocate a bigger buffer if possible.
9581 Report an error if buffer allocation fails.
9582 (yyStackOverflow): New function.
9583 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
9584 the initialization was successful. It might fail if storage was
9586 (yyexpandGLRStack): Add more checks for storage allocation failure.
9587 Use yyStackOverflow to report failures.
9588 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
9589 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
9590 Don't assume stack number fits in int.
9591 (yysplitStack): Check for storage allocation failure.
9592 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
9593 can print diagnostics on storage allocation failure. All callers
9595 (yyresolveValue): Use yybool for boolean.
9596 (yyreportSyntaxError): Check for size-calculation overflow.
9597 This code is taken from yacc.c.
9598 (yyparse): Check for storage allocation errors when allocating
9601 2005-07-05 Akim Demaille <akim@epita.fr>
9603 Extract calc++ from the documentation.
9604 * doc/bison.texinfo (Calc++): Add the extraction marks.
9605 * examples/extexi: New, from the aborted GNU Programming 2E.
9606 Separate the different paragraph of a file with empty lines.
9607 * examples/Makefile: Use it to extract the whole calc++ example.
9609 2005-06-24 Akim Demaille <akim@epita.fr>
9611 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
9614 2005-06-22 Akim Demaille <akim@epita.fr>
9616 * doc/bison.texinfo (C++ Language Interface): First stab.
9617 (C++ Parsers): Remove.
9619 2005-06-22 Akim Demaille <akim@epita.fr>
9621 * data/lalr1.cc (yylex_): Honor %lex-param.
9623 2005-06-22 Akim Demaille <akim@epita.fr>
9625 Start a set of simple examples.
9626 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
9627 * examples/calc++/calc++-driver.hh,
9628 * examples/calc++/calc++-parser.yy,
9629 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
9630 * examples/calc++/compile, examples/calc++/test: New.
9632 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
9634 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
9635 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
9636 which stems from the 2005-05-27 patch.
9638 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9640 * data/glr.c: Modify treatment of unused parameters to permit use
9641 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
9643 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
9645 Fix infringement on user name space reported by Janos Zoltan Szabo.
9646 * data/yacc.c (yyparse): strlen -> yystrlen.
9648 2005-05-30 Akim Demaille <akim@epita.fr>
9650 * data/lalr1.cc (_): New.
9651 Translate the various messages.
9653 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
9655 Fix infringement on user name space reported by Bruno Haible.
9656 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
9657 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
9658 the user's name space.
9659 (alloca): Include <stdlib.h> to get it, if it's not built in.
9660 (YYMALLOC, YYFREE): Define only if needed.
9661 (malloc, free): Declare, but only if needed, as this infringes on
9662 the user name space.
9664 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
9666 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
9667 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
9669 * lib/ebitset.c (min, max): Undef before defining.
9670 * lib/vbitset.c (min, max): Likewise.
9671 * lib/subpipe.c (create_subpipe): Save local variables in case
9672 vfork clobbers them.
9674 2005-05-24 Bruno Haible <bruno@clisp.org>
9676 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
9677 error message syntax used by gcc-4.0.
9679 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
9681 * README: Mention m4 1.4.3. Remove obsolete advice about
9682 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
9684 * bootstrap: Remove workaround for problem I encountered with
9685 gettext 0.14.1; it seems to be fixed now.
9687 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
9689 * NEWS: Version 2.0a.
9691 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
9692 the previous change.
9694 Various maintainer cleanups.
9695 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
9696 conftest*, for benefit of CVS commands run at the same time as
9697 "configure". Add build-aux, since "bootstrap" now creates it and
9699 * Makefile.cfg (move_if_change): Remove.
9700 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
9701 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
9702 (po_repo, do-po-update, po-update, wget_files, get-targets):
9703 (config.guess-url_prefix, config.sub-url_prefix):
9704 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
9705 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
9706 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
9708 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
9709 this is now the recommended name.
9710 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
9711 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
9712 ylwrap. These files now go into build-aux.
9713 * config/move-if-change: Remove.
9714 * config/prev-version.txt: Bump from 1.75 to 2.0.
9716 * bootstrap: Add stdio-safer, unistd-safer modules.
9717 Remove m4/glibc2.m4 (introduced by latest gnulib, but
9719 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
9720 fopen-safer.c, stdio-safer.h, unistd-safer.h.
9721 * lib/subpipe.c: Include "unistd-safer.h".
9722 (create_subpipe): Make sure all the newly-created
9723 file descriptors are > 2, so that diagnostics don't
9724 get sent down them (which might cause Bison to hang, in theory).
9725 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
9726 * src/files.c (xfopen): Use fopen_safer, not fopen.
9728 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
9729 yesterday's yacc.c fix.
9731 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
9733 * data/glr.c, data/lalr1.cc: Update copyright date.
9735 Fix a destructor bug reported by Wolfgang Spraul in
9736 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
9737 * data/yacc.c (yyabortlab): Don't call destructor, and
9738 don't set yychar to EMPTY.
9739 (yyoverflowlab): Don't call destructor.
9740 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
9741 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
9742 since we no longer output the message "discarding lookahead token
9745 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9747 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
9748 fix a small glitch in debugging output.
9749 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
9750 after YY_SYMBOL_PRINT where needed.
9752 (struct yyGLRState): Add some comments.
9753 (struct yySemanticOption): Add some comments.
9754 (union yyGLRStackItem): Add comment.
9756 (yymergeOptionSets): Correct this to properly perform the union,
9757 avoiding infinite reported by Michael Rosien.
9760 * tests/glr-regression.at: Add test for GLR merging error reported
9763 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
9765 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
9766 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
9767 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
9768 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
9769 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
9770 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
9771 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
9772 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
9773 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
9774 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
9775 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
9776 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
9777 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
9778 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
9779 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
9780 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
9781 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
9782 src/derives.h, src/files.c, src/files.h, src/getargs.c,
9783 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
9784 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
9785 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
9786 src/output.h, src/parse-gram.c, src/parse-gram.h,
9787 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
9788 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
9789 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
9790 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
9791 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
9792 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
9793 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
9794 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
9795 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
9796 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
9797 tests/reduce.at, tests/regression.at, tests/sets.at,
9798 tests/synclines.at, tests/testsuite.at, tests/torture.at:
9799 Update FSF postal mail address.
9801 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
9803 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
9804 Problem reported by Ralf Menzel.
9806 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
9808 * tests/actions.at: Test that stack overflow invokes destructors.
9809 From Marcus Holland-Moritz.
9810 * data/yacc.c (yyerrlab): Move the code that destroys the stack
9812 (yyreturn): to here. That way, destructors are called properly
9813 even if the stack overflows, or the user calls YYACCEPT or
9814 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
9815 (yyoverflowlab): Destroy the lookahead.
9817 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
9819 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
9821 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
9823 * NEWS: Bison-generated C parsers no longer quote literal strings
9824 associated with tokens.
9825 * src/output.c (prepare_symbols): Don't escape strings,
9826 since users don't want to see C escapes.
9827 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
9829 * tests/input.at (Torturing the Scanner): Likewise.
9830 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
9832 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
9834 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
9835 the data size is known to be too small and we can't increase it.
9836 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
9838 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
9840 * src/parse-gram.y: Include quotearg.h.
9841 (string_as_id): Quote $1 before using it as a key, since the
9842 lexer no longer quotes it for us.
9843 (string_content): Don't strip quotes, since lexer no longer
9845 * src/scan-gram.l: Include quotearg.h.
9847 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
9848 a key, since the rest of the lexer doesn't quote it.
9849 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
9850 * tests/regression.at (Token definitions): Check for backslashes
9853 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
9854 (YYSIZE_T): Define to unsigned long int when using an older compiler.
9855 (yyparse): Revamp code to generate long syntax error message, to
9856 make it easier to translate, and to avoid problems with arithmetic
9857 overflow. Change "virtual memory" to "memory" in diagnostic, since
9858 we don't know whether the memory is virtual.
9860 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
9862 * NEWS: Bison-generated C parsers now use the _ macro to
9864 * data/yacc.c (_) [!defined _]: New macro.
9865 All English strings wrapped inside this macro.
9866 * doc/bison.texinfo (Bison Parser): Document _.
9867 * po/POTFILES.in: Include src/parse-gram.c, since it now
9868 includes translateable strings that parse-gram.y doesn't.
9870 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
9872 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
9873 reverting the 2004-10-11 change to this function.
9874 (symbol_check_alias_consistency): Don't call symbol_type_set
9875 if the type name is already correct.
9876 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
9878 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
9880 * tests/regression.at (Token definitions): Don't use a token named
9881 c, as that generates a "#define c ..." that runs afoul of buggy
9882 stdlib.h that uses the identifier c as a member of struct
9883 drand48_data. Problem reported by Horst Wente.
9885 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
9887 * bootstrap: Change translation URL from
9888 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
9889 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
9890 redirection glitches. Problem reported by twlevo@xs4all.nl.
9892 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
9894 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
9895 after operands; POSIX says this isn't portable for the c99 command.
9897 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
9899 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
9900 immediately if a data overrun has occurred; this may help us track
9901 down what may be a spurious failure on MacOS.
9903 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
9905 Respond to problems reported by twlevo@xs4all.nl.
9907 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
9909 * src/vcg.h: Comment fix.
9910 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
9911 (G_CMAX): Change to -1 instead of INT_MAX.
9913 * data/yacc.c (yyparse): Omit spaces before #line.
9915 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
9917 * src/tables.c (state_number_to_vector_number): Put it inside an
9918 "#if 0", since it's not currently used. Problem reported by
9921 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
9923 * src/output.c (escaped_output): Renamed from
9924 escaped_file_name_output, since we now use it for symbol tags as
9925 well. All uses changed.
9926 (symbol_destructors_output, symbol_printers_output):
9927 Escape symbol tags too.
9928 Problem reported by Matyas Forstner in
9929 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
9931 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
9933 * src/output.c (user_actions_output, token_definitions_output,
9934 symbol_destructors_output, symbol_printers_output): Likewise.
9935 * src/reader.c (prologue_augment): Likewise.
9936 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
9938 * src/vcg.c (output_edge): Don't quote linestyle arg.
9939 Problem reported by twlevo@xs4all.nl.
9941 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
9943 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
9944 example, reported by Derek M Jones. Also, make the example even
9945 more outrageous, to better illustrate how bad the problem is.
9947 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
9949 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
9950 putsym. Typo reported by Sebastian Piping.
9952 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
9954 * doc/bison.texinfo (Language and Grammar): some -> same
9955 (Epilogue): int he -> in the
9956 Typos reported by Sebastian Piping via Justin Pence.
9958 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
9960 * tests/glr-regression.at (Improper handling of embedded actions
9961 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
9962 embedded actions and $-N in GLR parsers", work around an Autoconf bug
9963 with dollar signs in test names.
9964 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
9965 for a similar reason.
9967 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
9969 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
9970 wants to redefine G_VIEW.
9972 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
9974 * src/vcg.c (get_view_str): Remove case for normal_view.
9975 Problem reported by twlevo@xs4all.nl.
9977 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
9979 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
9980 Problem reported by twlevo@xs4all.nl.
9982 * doc/bison.texinfo: Change @dircategory from "GNU programming
9983 tools" to "Software development". Requested by Richard Stallman
9986 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
9988 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
9989 Problem reported by twlevo@xs4all.nl.
9991 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
9993 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
9994 keyword; it's not needed with modern compilers, and it doesn't
9995 affect correctness with older compilers. Suggested by
9998 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
10000 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
10001 gcc -Wswitch-default.
10002 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
10003 * data/yacc.c (yyparse): Likewise.
10005 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
10007 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
10008 already. Let config.h define any nonstandard values.
10010 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
10012 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
10013 for the benefit of slower hosts. Problem reported by
10014 Nelson H. F. Beebe.
10016 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
10018 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
10019 being defined and not used.
10020 * data/lalr1.cc (yyparse): Likewise.
10021 Use "if (false)" rather than "if (0)".
10023 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
10025 * TODO: Mention that we should allow NUL bytes in tokens.
10027 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
10029 * src/scan-skel.l (<<EOF>>): Don't close standard output.
10030 Problem reported by Hans Aberg.
10032 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
10034 * src/getargs.c (version): Happy new year; update overall
10035 program copyright date from 2004 to 2005.
10037 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
10038 Problem reported by Hans Aberg.
10039 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
10040 (Output file names.): Add a test for the case when standard output
10043 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
10045 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
10046 to fix an oversight in the Bison 2.0 manual.
10048 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
10050 * NEWS: Version 2.0. Reformat the existing news items since
10051 1.875, so that related items are grouped together.
10052 * configure.ac (AC_INIT): Bump version to 2.0.
10053 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
10055 * tests/torture.at (Exploding the Stack Size with Alloca): Set
10056 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
10057 otherwise, we're not testing alloca. Unfortunately there's no
10058 simple way to consult HAVE_ALLOCA here.
10060 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
10063 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
10064 hand. This avoids a warning about comparing int to size_t when
10065 GCC warnings are enabled.
10067 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
10069 * NEWS: Bison-generated parsers no longer default to using the
10070 alloca function (when available) to extend the parser stack, due
10071 to widespread problems in unchecked stack-overflow detection.
10072 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
10073 responsibility to set it to a positive value. This lets the user
10074 specify a value that is not a preprocessor constant.
10075 * data/yacc.c (YYMAXDEPTH): Likewise.
10076 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
10077 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
10078 to be a compile-time constant. However, explain the constraints on it.
10079 Also, explain the constraints on YYINITDEPTH.
10080 (Table of Symbols): Explain that alloca is no longer the default.
10081 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
10084 * doc/bison.texinfo (Location Default Action): Mention that n must
10085 be zero when k is zero. Suggested by Frank Heckenbach.
10087 2004-12-22 Akim Demaille <akim@epita.fr>
10089 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
10090 (parser::state_type, parser::semantic_type, parser::location_type):
10091 Private, not public.
10092 (parser::parse): Return ints, not bool.
10093 Returning a bool introduces a problem: 0 corresponds to false, and
10094 it seems weird to return false on success. Returning true changes
10095 the conventions for yyparse.
10096 Alternatively we could return void and send an exception.
10097 There is no clear consensus (yet?).
10098 (state_stack, semantic_stack, location_stack): Rename as...
10099 (state_stack_type, semantic_stack_type, location_stack_type): these.
10100 Private, not public.
10101 * tests/c++.at: New.
10102 * tests/testsuite.at, tests/Makefile.am: Adjust.
10104 2004-12-21 Akim Demaille <akim@epita.fr>
10106 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
10108 2004-12-21 Akim Demaille <akim@epita.fr>
10110 Don't impose std::string for filenames.
10112 * data/lalr1.cc (b4_filename_type): New.
10113 (position::filename): Use it.
10114 (parser.hh): Move the inclusion of stack.hh and location.hh below
10115 the user code, so that needed headers for the filename type can be
10117 Forward declare them before the user code.
10118 * tests/Makefile.am (check-local, installcheck-local): Pass
10119 TESTSUITEFLAGS to the TESTSUITE.
10121 2004-12-20 Akim Demaille <akim@epita.fr>
10123 Use more STL like names: my_class instead of MyClass.
10125 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
10126 (SemanticStack, SemanticType, StateStack, StateType)
10127 (TokenNumberType, Stack, Slice, Traits, Parser::location)
10128 (Parser::value): Rename as...
10129 (location_stack, location_type, rhs_number_type, semantic_stack)
10130 (semantic_type, state_stack, state_type, token_number_type, stack)
10131 (slice, traits, parser::yylloc, parser::yylval): these.
10133 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
10135 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
10137 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
10138 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
10140 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
10142 Remove uses of 'short int' and 'unsigned short int'. This raises
10143 some arbitrary limits. It uses more memory but nowadays that's
10144 not much of an issue.
10146 This change does not affect the generated parsers; that's a different
10147 task, as some users will want to conserve memory there.
10149 Ideally we should use size_t to represent all object counts, and
10150 something like ptrdiff_t to represent signed differences of object
10151 counts; but that will require more code-cleanup than I have the
10152 time to do right now.
10154 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
10155 Use size_t, not int or short int, to count objects.
10156 * src/closure.c (nritemset, closure): Likewise.
10157 * src/closure.h (nritemset, closure): Likewise.
10158 * src/nullable.c (nullable_compute): Likewise.
10159 * src/print.c (print_core): Likewise.
10160 * src/print_graph.c (print_core): Likewise.
10161 * src/state.c (state_compare, state_hash): Likewise.
10162 * src/state.h (struct state): Likewise.
10163 * src/tables.c (default_goto, goto_actions): Likewise.
10165 * src/gram.h (rule_number, rule): Use int, not short int.
10166 * src/output.c (prepare_rules): Likewise.
10167 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
10168 errs, reductions): Likewise.
10169 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
10171 * src/tables.c (vector_number, tally, action_number,
10172 ACTION_NUMBER_MINIMUM): Likewise.
10173 * src/output.c (muscle_insert_short_int_table): Remove.
10175 2004-12-17 Akim Demaille <akim@epita.fr>
10177 * data/lalr1.cc: Extensive Doxygenation.
10178 (error_): Rename as...
10179 (error): this, since it is visible to the user.
10181 (Parser::message): Now an automatic variable from...
10182 (Parser::yyreport_syntax_error_): here.
10183 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
10185 * tests/input.at: Escape $.
10187 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
10189 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
10190 Parenthesize rhs to avoid obscure problems with mistakes like
10191 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
10192 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10193 b4_rhs_location): Likewise.
10194 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10195 b4_rhs_location): Likewise.
10197 2004-12-16 Akim Demaille <akim@epita.fr>
10199 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
10200 yacc.c: be sure to stay within yycheck_.
10201 * tests/actions.at: Re-enable C++ tests.
10203 2004-12-16 Akim Demaille <akim@epita.fr>
10205 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
10208 2004-12-16 Akim Demaille <akim@epita.fr>
10210 Use #define to handle the %name-prefix.
10212 * data/glr.c, data/yacc.c: Comment changes.
10213 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
10214 so that one can refer to yylex in the parser file, and have it
10215 renamed, as is the case with other skeletons.
10217 2004-12-16 Akim Demaille <akim@epita.fr>
10219 Move lalr1.cc internals into yy*.
10221 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
10222 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
10223 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
10224 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
10225 (empty_, final_, terror_, errcode_, ntokens_)
10226 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
10227 (looka_, ilooka_, error_range_, nerrs_):
10229 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
10230 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
10231 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
10232 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
10233 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
10234 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
10235 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
10236 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
10239 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
10241 Fix some problems reported by twlevo at xs4all.
10242 * src/symtab.c (symbol_new): Report an error if the input grammar
10243 contains too many symbols. This is better than calling abort() later.
10244 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
10245 (struct node, struct graph):
10246 Rename member expand to stretch. All uses changed.
10247 (struct graph): Remove member layoutalgorithm. All uses removed.
10248 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
10249 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
10251 (N_STRETCH): Rename from N_EXPAND. All uses changed.
10253 2004-12-15 Akim Demaille <akim@epita.fr>
10255 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
10256 Add more Doxygen comments.
10257 (symprint_, stack_print_, reduce_print_, destruct_, pop)
10258 (report_syntax_error_, translate_): Rename as...
10259 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
10260 (yypop_, yyreport_syntax_error_, yytranslate_): this.
10262 2004-12-15 Akim Demaille <akim@epita.fr>
10264 * data/lalr1.cc (lex_): Rename as...
10266 Move the trace here.
10267 Take the %name-prefix into account.
10268 Reported by Alexandre Duret-Lutz.
10270 2004-12-15 Akim Demaille <akim@epita.fr>
10272 Simplify the C++ parser constructor.
10274 * data/lalr1.cc (debug_): Rename as...
10275 (yydebug_): so that the parser's internals are always in the yy*
10278 (b4_parse_param_decl): Remove the leading comma as it is now only
10279 called as unique argument list.
10280 (Parser::Parser): Remove the constructor accepting a location and
10281 an initial debugging level.
10282 Remove from the other ctor the argument for the debugging level.
10283 (debug_level_type, debug_level, set_debug_level): New.
10285 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
10288 2004-12-15 Akim Demaille <akim@epita.fr>
10290 Remove b4_root related material: failure experiment
10291 (which goal was to allow to derive from a class).
10293 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
10294 definitions and uses.
10296 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
10298 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
10299 not 2, since it's not portable to subtract 1 from the start of an
10300 array. The new item 0 is never set or used. All uses changed.
10302 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
10303 the default definition of YYLLOC_DEFAULT. Problem reported
10304 by Frank Heckenbach.
10306 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
10308 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
10309 the normal case and one for the error case. Just use the
10310 first one uniformly. Problem reported by Frank Heckenbach.
10311 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
10312 use exactly the same macro in both places.
10313 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
10314 so that the normal-case YYRHSLOC works for the error case too.
10316 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
10317 (YYLLOC_DEFAULT): Use the same macro as glr.c.
10318 * doc/bison.texinfo (Location Default Action): Don't claim that
10319 we have an array of locations. Use the same macro for both glr
10320 and lalr parsers. Mention YYRHSLOC. Mention what happens when
10323 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10325 * HACKING: Update email addresses to send announcements to.
10327 * configure.ac (AC_INIT): Bump version to 1.875f.
10329 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10331 * NEWS: Version 1.875e.
10332 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
10334 * src/scan-skel.l: Include "complain.h", for "fatal".
10336 * src/relation.h (relation_print, relation_digraph):
10337 Relation sizes are of type relation_node, not size_t (this is
10338 merely a doc fix, since the two types are equivalent).
10339 (relation_transpose): Relation sizes are of type relation_node,
10341 * src/relation.c: Likewise.
10342 (top, infinity): Now of type relation_node, not int.
10343 (traverse, relation_transpose): Use relation_node, not int.
10345 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
10346 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
10347 (yyparse): Remove unused local introduced in 2004-10-25 patch.
10349 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
10350 specifying whether the test should be skipped. Use it tp
10351 specify that the [%defines %skeleton "lalr1.cc"] tests currently
10352 fail on some hosts, and should be skipped.
10354 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
10356 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
10357 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
10358 unless otherwise specified below.
10360 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
10361 to allocate kernel_base, kernel_items, kernel_size, since
10362 they needn't be initialized to 0.
10363 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
10364 * src/closure.c (new_closure): Likewise, for itemset.
10365 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
10366 * src/lalr.c (set_goto_map): Likewise, for temp_map.
10367 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
10368 (build_relations): Likewise for edge, states1, includes.
10369 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
10370 * src/reader.c (packgram): Likewise, for ritem, rules.
10371 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
10372 * src/relation.c (relation_digraph): Likewise for VERTICES.
10373 (relation_transpose): Likewise for new_R, end_R.
10374 * src/symtab.c (symbols_token_translations_init): Likewise for
10375 token_translations.
10376 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
10377 (token_actions): Likewise for yydefact, actrow, conflrow,
10379 (save_column): Likewise for froms[symno], tos[symno].
10380 (goto_actions): Likewise for state_count.
10381 (pack_table): Likewise for base, pos, check.
10382 (tables_generate): Likewise for width.
10384 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
10385 for initial core. Just have a separate core, so we needn't worry
10386 about whether kernel_size and kernel_base are initialized.
10388 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
10389 kernel_size, kernel_items): Remove unnecessary initialization.
10390 * src/conflicts.c (conflicts): Likewise.
10391 * src/derives.c (derives): Likewise.
10392 * src/muscle_tablc (muscle_insert): Likewise.
10393 * src/relation.c (relation_digraph): Likewise.
10394 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
10395 conflrow, conflict_table, conflict_list, table, check):
10398 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
10399 This is because all callers pass unsigned int.
10400 * src/closure.h (new_closure): Likewise.
10402 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
10403 (build_relations): Initialize includes[i] in all cases.
10404 * src/reader.c (packgram): Always initialize rules[ruleno].prec
10405 and rules[ruleno].precsym. Initialize members in order.
10406 * src/relation.c (relation_transpose): Always initialize new_R[i]
10408 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
10410 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
10411 conflict_list[0] was always 0, but now it isn't initialized.
10413 * src/table.c (table_grow): When conflict_table grew, the grown
10414 area wasn't cleared. Fix this.
10416 * lib/.cvsignore: Add strdup.c, strdup.h.
10417 * m4/.cvsignore: Add strdup.m4.
10419 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
10421 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
10422 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
10423 GOTO_NUMBER_MAXIMUM, since we occasionally compute
10424 ngotos + 1 without checking for overflow.
10425 (build_relations): Use END_NODE, not -1, to denote end of edges.
10426 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
10427 build_relations): Use goto_number, not int, for goto numbers.
10428 * src/tables.c (save_column, default_goto): Likewise.
10430 2004-11-23 Akim Demaille <akim@epita.fr>
10432 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
10433 of #defining from yystype.
10434 Don't typedef yystype, C++ does not need it.
10435 This lets it possible to forward declare it as union.
10437 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
10439 * bootstrap (gnulib_modules): Add extensions.
10440 Problem reported by Jim Meyering.
10442 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
10444 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
10445 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
10446 src/system.h, src/tables.c: XFREE -> free, to accommodate
10447 recent change to gnulib xalloc.h.
10448 Problem reported by Jim Meyering.
10450 2004-11-17 Akim Demaille <akim@epita.fr>
10452 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
10454 2004-11-17 Akim Demaille <akim@epita.fr>,
10455 Alexandre Duret-Lutz <adl@gnu.org>
10457 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
10459 (YYCDEBUG): Adjust.
10460 Use it instead of cdebug_.
10461 (Parser::debug_stream, Parser::set_debug_stream): New.
10462 (Parser::symprint_): Define cdebug_ for temporary backward
10464 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
10467 2004-11-17 Akim Demaille <akim@epita.fr>
10469 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
10470 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
10471 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
10472 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
10474 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
10476 * data/glr.c (yyloc_default): Remove; not used.
10477 Problem reported by Frank Heckenbach.
10479 2004-10-25 Akim Demaille <akim@epita.fr>
10481 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
10482 Introduce another definition to address simple location arrays.
10483 (yyGLRStack): New member: yyerror_range.
10484 (yyrecoverSyntaxError, yyparse): Update it.
10485 (yyrecoverSyntaxError): Use it when shifting the error token to
10486 have an accurate range, equivalent to the one computed by both
10487 yacc.c and lalr1.cc.
10488 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
10489 that column numbers start at column 0, as per GNU Coding
10490 Standards, the others tests, and the doc.
10491 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
10492 Adjust to the above change (first column is 0).
10493 And adjust the location of the "<error>", now covering the whole
10496 2004-10-22 Akim Demaille <akim@epita.fr>
10497 and Paul Eggert <eggert@cs.ucla.edu>
10499 Remove some arbitrary limits on goto numbers and relations.
10500 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
10501 initial values, since they're never used.
10502 (set_goto_map): ngotos is now unsigned, so test for overflow
10503 by seeing whether it wraps around to zero.
10504 * src/lalr.h (goto_number): Now size_t, not short int.
10505 (GOTO_NUMBER_MAXIMUM): Remove.
10506 * src/relation.c (relation_print, traverse, relation_transpose):
10507 Check for END_NODE rather than looking at sign.
10508 * src/relation.h (END_NODE): New macro.
10509 (relation_node): Now size_t, not short int.
10511 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
10513 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
10514 keyword, not an identifier. Problem reported by Baron Schwartz in
10515 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
10517 2004-10-11 Akim Demaille <akim@epita.fr>
10519 * src/symtab.c (symbol_check_alias_consistency): Also check
10520 type names, destructors, and printers.
10521 Reported by Alexandre Duret-Lutz.
10522 Recode the handling of associativity and precedence in terms
10523 of symbol_precedence_set.
10524 Accept no redeclaration at all, not even equal to the previous
10526 (redeclaration): New.
10527 Use it to factor redeclaration complaints.
10528 (symbol_make_alias): Don't set the type of the alias, let
10529 symbol_check_alias_consistency do it as for other features.
10530 * src/symtab.h (symbol): Add new member prec_location, and
10532 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
10533 * tests/input.at (Incompatible Aliases): New.
10535 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
10537 .cvsignore fixes to accommodate gnulib changes,
10538 and the practice of naming build directories "_build".
10539 * .cvsignore: Add "_*". Sort.
10540 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
10541 * m4/.cvsignore: Add "*_gl.m4".
10543 2004-10-06 Akim Demaille <akim@epita.fr>
10545 * src/parse-gram.y (add_param): Fix the truncation of trailing
10548 2004-10-05 Akim Demaille <akim@epita.fr>
10550 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
10551 whether the reducion was empty or not. This leaves room to
10552 improve the use of YYLLOC_DEFAULT in such a case.
10553 lalr1.cc is still experimental, so changing this is acceptable.
10554 And finally, there are probably not many users who changed the
10555 handling of locations in GLR, so changing is admissible too.
10557 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
10558 empty reduction, set @$ to an empty location ending the previously
10560 Adjust uses to make sure the code is triggered on empty
10562 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
10563 expected output: empty reductions have empty locations.
10565 2004-09-29 Akim Demaille <akim@epita.fr>
10567 * data/lalr1.cc: Move towards a more standard C++ coding style
10568 for templates: Class < T > -> Class<T>.
10570 2004-09-29 Akim Demaille <akim@epita.fr>
10572 * data/lalr1.cc: Reinstall the former ctor, for sake of
10573 compatibility, but warn it will be removed.
10574 Move towards a more standard C++ coding style (i.e., type *var ->
10577 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
10579 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
10580 since it's less likely to work if NULs are involved in the future.
10582 2004-09-27 Akim Demaille <akim@epita.fr>
10584 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
10586 2004-09-27 Akim Demaille <akim@epita.fr>
10588 * data/lalr1.cc (b4_parse_param_decl_1): New.
10589 (b4_parse_param_decl): Use it to have different names between attribute
10590 and argument names.
10591 (b4_cc_constructor_call): Likewise.
10593 2004-09-24 Akim Demaille <akim@epita.fr>
10595 * src/parse-gram.y (add_param): Strip the leading and trailing
10596 blanks from a formal argument declaration.
10597 (YY_LOCATION_PRINT): New.
10599 2004-09-24 Akim Demaille <akim@epita.fr>
10601 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
10602 after the location.
10604 2004-09-24 Akim Demaille <akim@epita.fr>
10606 * doc/bison.texinfo (Table of Symbols): Sort.
10608 2004-09-21 Akim Demaille <akim@epita.fr>
10610 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
10611 the useless parentheses.
10612 Suggested by Paul Eggert.
10614 2004-09-20 Akim Demaille <akim@epita.fr>
10616 Let the initial-action act on the look-ahead, and use it for the
10617 "initial push" (corresponding to an hypothetical beginning-of-file).
10618 And let lalr1.cc honor %initial-action.
10620 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
10622 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
10623 (Parser::Parser): Remove the ctor that used to initialize it.
10624 (Parser::parse): Like in the other skeletons, issue the "starting
10625 parse" message before any action.
10626 Honor %initial-action.
10627 Initialize the stacks with the lookahead.
10628 * data/yacc.c: Let $$ and @$ in %initial-action designate the
10630 Push them in the stacks.
10631 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
10633 2004-09-20 Akim Demaille <akim@epita.fr>
10635 * doc/bison.texinfo (Initial Action Decl): New.
10637 2004-09-20 Akim Demaille <akim@epita.fr>
10639 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
10640 clearer criterion to define it.
10641 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
10642 When reducing on an empty RHS, use the latest stacked location as
10644 yylloc is not always available.
10645 * data/glr.c: Likewise.
10646 Also, honor initial-actions.
10648 2004-09-20 Akim Demaille <akim@epita.fr>
10650 * data/yacc.c (YY_LOCATION_PRINT): New.
10651 Define when we know YYLTYPE's structure, i.e., when the default
10652 YYLLOC_DEFAULT is used.
10653 * data/c.m4 (b4_yysymprint_generate): Use it.
10654 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
10655 value of the result.
10656 (error_start_): Replace with...
10657 (error_range_): this location array.
10658 This allows to replace code relying on the implementation of
10659 locations by portable code.
10660 * data/yacc.c (yylerrsp): Replace with...
10661 (yyerror_range): this.
10662 Every time a token is popped, update yyerror_range[0], to have an
10663 accurate location for the error token.
10664 * data/glr.c (YY_LOCATION_PRINT): New.
10665 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
10666 deference a pointer.
10667 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
10668 report the location in %printers.
10670 * src/scan-skel.l: Instead of abort, report error messages to ease
10671 understanding skeleton scanning failures.
10673 2004-09-16 Akim Demaille <akim@epita.fr>
10675 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
10676 (iterator, const_iterator): these, to be more in the C++ spirit.
10677 Also, return reverse iterators so that when displaying the stack
10678 we display its bottom first.
10679 (Parser::stack_print_, Parser::reduce_print_): Match the messages
10681 We should probably use vector here though.
10683 2004-09-16 Akim Demaille <akim@epita.fr>
10685 Have more complete shift traces.
10687 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
10688 to report Shifts instead of ad hoc YYDPRINTF invocations,
10689 including for the error token.
10690 * data/lalr1.cc (symprint_): Output the location.
10691 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
10692 output the location within the %printer.
10693 Activate GLR tests, at least to make sure they compile properly.
10694 They still don't pass though.
10695 * tests/calc.at: Adjust expect verbose output, since now "Entering
10696 state..." is on a different line than the "Shifting" message.
10698 2004-09-08 Akim Demaille <akim@epita.fr>
10700 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
10701 Bison directive from the Bison file to the invocation of this
10702 macro, so that these directives are passed to
10703 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
10704 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
10705 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
10706 the extra Bison directives instead of the whole series.
10707 Change the grammar so that there are recoverable errors, and
10708 unrecoverable errors. Now we can have the parser give up before
10709 consuming the whole input. As a result we now can observe that
10710 the lookahead is freed when needed.
10711 Change the parser source to parse argv[1] instead of a hard coded
10713 Simplify yylex, and give a value and location to EOF.
10714 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
10715 passed directives already coded in the file.
10716 Add some tests to check the location of "error".
10717 For some tests, the C++ parser is correct, and not yacc.c.
10718 For other tests, they provide different, but unsatisfying, values,
10719 so keep the C++ value so that at least one parser is "correct"
10720 according to the test suite.
10721 (Actions after errors): Remove, this is subsumed by the
10722 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
10724 2004-09-06 Akim Demaille <akim@epita.fr>
10726 * data/lalr1.cc: Adjust the indentation of the labels.
10727 (Parser::pop): New.
10730 2004-09-06 Akim Demaille <akim@epita.fr>
10732 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
10733 argument, an informative message.
10734 Call YY_SYMBOL_PRINT.
10735 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
10736 * data/lalr1.cc (destruct_): Likewise.
10737 In addition, no longer depend on b4_yysymprint_generate and
10738 b4_yydestruct_generate to generate these functions, do it "by
10741 2004-09-03 Akim Demaille <akim@epita.fr>
10743 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
10744 invoked, yydestruct the lookahead.
10745 * tests/calc.at (Calculator $1): Update the expected lengths of
10746 traces: there is an added line for the discarded lookahead.
10747 * doc/bison.texinfo (Destructor Decl): Some rewording.
10748 Define "discarded" symbols.
10750 2004-09-02 Akim Demaille <akim@epita.fr>
10752 * data/lalr1.cc (translate_, destruct_): No reason to be static.
10754 2004-09-02 Akim Demaille <akim@epita.fr>
10756 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
10757 (YYDSYMPRINTF): Rename as...
10758 (YY_SYMBOL_PRINT): this.
10759 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
10761 Use it instead of direct symprint_ calls.
10762 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
10765 2004-09-02 Akim Demaille <akim@epita.fr>
10767 * data/lalr1.cc (b4_yysymprint_generate): New.
10768 (symprint_): New member function, defined when YYDEBUG.
10769 Use it consistently instead of token/nterm debugging output by
10771 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
10772 %printer calls to use cdebug_ when using lalr1.cc.
10774 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
10776 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
10777 with #ifdef YYDEBUG.
10779 2004-08-26 Akim Demaille <akim@epita.fr>
10781 * doc/bison.texinfo (Implementing Loops): Rename as...
10782 (Implementing Gotos/Loops): this.
10784 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
10786 Adjust to latest gnulib.
10787 * bootstrap (gnulib_modules): Add xalloc-die.
10788 Set LC_ALL=C so that file names sort consistently.
10789 Prefer the gnulib copies of gettext.m4, glibc21.m4,
10790 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
10791 uintmax_t.m4, ulonglong.m4.
10792 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
10793 po.m4 since we are now using _gl.m4 instead.
10795 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
10797 * src/scan-action.l: Remove. Scanning of semantic actions is
10798 handled in scan-gram.l.
10800 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
10802 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
10804 * src/location.h (struct): The file member is a uniqstr.
10805 (equal_boundaries): Use UNIQSTR_EQ for comparison.
10807 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
10809 Fix bug with non-%union parsers that have printers or destructors,
10810 which led to a Bison core dump. Reported by Peter Fales in
10811 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
10813 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
10814 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
10815 not to our own type.
10816 * src/output.c (symbol_destructors_output, symbol_printers_output):
10817 Don't assume %union.
10818 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
10819 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
10820 UNION-FLAG. All callers changed.
10821 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
10822 Use type char, not unsigned int, when declaring an array of char;
10823 this lets us remove a cast.
10824 (Printers and Destructors): Add non-%union test cases.
10826 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10828 * doc/bison.texinfo: Minor editorial changes, mostly to the new
10829 GLR writeups. E.g., avoid frenchspacing and the future tense,
10830 change "lookahead" to "look-ahead", and change "wrt" to "with
10833 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10835 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
10836 New sections, split off from the GLR Parsers section. Put the new
10837 Simple GLR Parser near the start of the GLR section, for clarity.
10838 Rewrite connective text.
10840 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
10842 * doc/bison.texinfo (Simple GLR Parsers): New section.
10844 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10846 * NEWS, TODO, doc/bison.texinfo:
10847 Use "look-ahead" instead of "lookahead", to be consistent.
10848 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
10849 while we're fixing "look-ahead".
10850 * src/conflicts.c (shift_set): Renamed from shiftset.
10851 (look_ahead_set): Renamed from lookaheadset.
10852 * src/print.c: Likewise.
10853 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
10854 name for "lookahead".
10855 (report_types, usage): Likewise.
10856 * src/getargs.h (report_look_ahead_tokens): Renamed from
10858 * src/lalr.c (compute_look_ahead_tokens): Renamed from
10859 compute_lookaheads.
10860 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
10861 (look_ahead_tokens_print): Renamed from lookaheads_print.
10862 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
10863 state_rule_lookaheads_print.
10864 * src/state.h: Likewise.
10865 (reductions.look_ahead_tokens): Renamed from lookaheads.
10866 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
10867 AT_DATA_LOOKAHEADS_GRAMMAR.
10869 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
10871 * README: Update location of patched M4 distribution.
10873 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
10875 Don't assume the C++ compiler takes the same arguments as the C compiler
10877 * configure.ac (O0CXXFLAGS): New var.
10878 * tests/atlocal.in (CXXFLAGS): Use it.
10880 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
10882 Fix some "make check" problems with C++ reported by
10883 Albert Chin-A-Young for Tru64 C++ in this thread:
10884 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
10886 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
10887 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10888 Output to a .cc file for C++, not to a .c file.
10889 * tests/calc.at (AT_CHECK_CALC): Likewise.
10890 * tests/regression.at (AT_CHECK_DANCER): Likewise.
10891 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
10893 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
10895 * tests/calc.at, tests/actions.at: Workaround for SGI
10896 C++ compiler. (trivial change)
10898 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
10900 Spent a few hours checking out which prerequisite versions the
10901 current sources actually require. I went all the way back to
10902 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
10903 a seemingly endless set of combinations of versions more recent
10904 than that. The bottom line is that the current sources require
10905 fairly recent versions of the build tools, and it'll be some work
10907 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
10908 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
10909 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
10910 Add comments explaining why those particular versions are
10913 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
10914 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
10915 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
10917 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
10918 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
10920 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
10922 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
10923 0.11.5. Suggested by Bruno Haible.
10924 * bootstrap: Remove gettext version checking.
10926 * doc/bison.texinfo (Decl Summary): Also mention that %union
10927 can depend on prerequisite types. Problem reported by Tim
10930 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
10932 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
10933 * README-alpha: Don't tell people not to package this.
10935 * bootstrap: Don't assume $(...) works; use `...` instead.
10936 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
10939 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
10940 put into the -d output file, and mention what to do if YYSTYPE is
10941 defined as a macro.
10943 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
10945 Undo change made earlier today: it caused autopoint to not bring
10946 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
10949 * bootstrap: Check that gettext version matches what's in
10950 configure.ac. Warn users to ignore robots.txt ERROR 404.
10951 * bootstrap: Undo today's earlier change (logged below).
10952 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
10954 The gettext version checking is causing more trouble than it's
10955 curing; remove it. Problem reported by Paul Hilfinger.
10957 * bootstrap: Issue a warning that one can expect a message
10958 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
10959 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
10961 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
10963 Ensure that the C++ compiler used for testing actually works on a
10964 simple test program; if not, skip the C++-related tests. Problem
10965 reported by Vin Shelton in:
10966 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
10968 * m4/cxx.m4: New file.
10969 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
10970 * tests/atlocal.in (BISON_CXX_WORKS): Add.
10971 * tests/local.at (AT_COMPILE_CXX): Use it.
10973 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10975 * data/glr.c (yylloc): Output this macro even if locations are not
10976 being generated, as the GLR parser needs it even in that case.
10977 Problem reported by Troy A. Johnson
10978 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
10980 * configure.ac (AC_INIT): Update to 1.875e.
10982 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10984 * NEWS: Version 1.875d.
10985 * configure.ac (AC_INIT): Likewise.
10986 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
10988 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
10989 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
10990 lalr1.cc runs afoul of the first, and the last two are no longer
10991 supported by GCC 3.4.0.
10992 * README: Mention GNU m4 1.4 or later; mention m4 patches.
10993 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
10995 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
10997 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
10998 unsigned int, for compatibility with latest gnulib hash module.
10999 * src/state.c (state_hash, state_hasher): Likewise.
11000 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
11001 * src/uniqstr.c (hash_uniqstr): Likewise.
11003 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
11005 * NEWS: Unescaped newlines are no longer allowed in char & strings.
11007 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
11008 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
11009 character and string literals.
11010 (unexpected_end): New function.
11011 (unexpected_eof): Use it.
11012 (unexpected_newline): New function.
11013 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
11016 * NEWS: Document %expect-rr.
11018 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
11019 Fix typo by replacing $1 with $option.
11020 Remove more 'intl'-related files.
11021 Don't DEFUN AM_INTL_SUBDIR twice.
11023 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
11024 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
11026 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
11027 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
11028 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
11029 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
11030 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
11031 * src/.cvsignore: Add *.output.
11033 * src/parse-gram.y: Put copyright notice inside %{ %} so it
11034 gets copied to the output file.
11036 2004-04-28 Paul Eggert <eggert@twinsun.com>
11038 Get files from the gnulib and po repositories, instead of relying
11039 on them being in our CVS. Upgrade to latest versions of gnulib
11042 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
11043 * bootstrap: Bootstrap from gnulib and po repositories.
11044 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
11045 * README-cvs: Document these changes. Remove version numbers from
11046 mentions of build tools, since they change so often. Mention Flex.
11048 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
11049 (gl_USE_SYSTEM_EXTENSIONS): Add.
11050 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
11051 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
11053 (AC_ISC_POSIX): Remove; we no longer support this
11054 ancient OS, as it gets in the way of latest Autoconf & gnulib.
11055 (AC_HEADER_STDC): Remove: we now assume C89 or better.
11056 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
11057 Do not check for C89 headers, except for locale.h which is used
11058 by the Yacc library and must port to K&R hosts.
11059 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
11060 Do not check for C89 functions, except for setlocale which is
11061 used by the Yacc library.
11062 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
11063 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
11064 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
11065 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
11066 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
11067 AM_GNU_GETTEXT): Remove; now done by:
11068 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
11069 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
11072 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
11073 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
11074 Define to empty, as gnulib.mk will do the rest for us.
11075 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
11077 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
11078 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
11080 * src/files.c: Include gnulib's xstrndup.h.
11082 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
11083 (REALLOC): Use xnrealloc, for likewise.
11084 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
11085 (strnlen, memrchr): Remove decls; functions no longer used.
11086 Include <stpcpy.h>.
11088 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
11089 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
11090 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
11091 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
11092 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
11093 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
11094 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
11095 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
11096 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
11097 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
11098 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
11099 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11100 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
11101 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
11102 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
11103 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
11104 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
11105 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
11106 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
11107 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
11108 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
11109 Remove, as these files are now generated automatically
11110 by bootstrap or automake.
11112 * po/ChangeLog: Remove: all but one entry was a duplicate
11113 of this file, and I moved that 2000-11-02 entry here.
11115 * config/.cvsignore: Add Makefile, depcomp, install-sh.
11116 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
11117 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
11118 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
11119 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
11120 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
11121 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
11122 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
11123 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
11124 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
11125 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
11127 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
11128 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
11129 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
11130 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
11131 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
11132 * src/.cvsignore: Remove *_.c.
11135 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
11136 support it. (The latest stable gzip doesn't.)
11138 2004-04-27 Paul Eggert <eggert@twinsun.com>
11140 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
11141 case, as stos_ is now used by destructors due to the 2004-02-09
11144 Remove more K&R C support.
11145 * lib/libiberty.y (PARAMS): Remove. All uses removed.
11146 * lib/subpipe.c (errno): Remove decl.
11147 Include <stdlib.h> unconditionally.
11148 (EXIT_FAILURE): Remove macro.
11149 * src/complain.c (vfprintf, strerror): Remove.
11150 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
11152 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
11153 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
11154 (strchr, strspn, memchr): Remove decls.
11155 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
11156 unconditionally. Do not declare perror.
11157 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
11160 * src/complain.c (_): Remove useless defn, as system.h defines this.
11162 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
11163 with latest obstack.h.
11164 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
11165 to procedure types, as obstack.h now does that for us.
11166 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
11168 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
11169 so that this include file can stand alone.
11170 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
11171 does this now. Include subpipe.h first after config.h, to
11172 test whether it can stand alone.
11174 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
11175 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
11176 unused declaration.
11178 * tests/synclines.at (%union synch line): Put a dummy member in
11179 the union, because empty unions aren't allowed in C. Caught
11182 2004-04-13 Jim Meyering <jim@meyering.net>
11184 * src/conflicts.c (conflicts_print): Correct format string typo:
11185 use `%%' to produce literal `%'. (trivial change)
11187 2004-03-30 Paul Eggert <eggert@twinsun.com>
11189 * src/getargs.c (version): Update copyright year to 2004.
11191 * data/c.m4 (b4_int_type): Use 'short int' rather than
11192 'short', and similarly for 'long', 'unsigned', etc.
11193 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
11194 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
11195 yy_yypstack, yydumpstack): Likewise.
11196 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
11197 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
11199 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
11200 yy_stack_print, yyparse): Likewise.
11201 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
11202 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
11203 * lib/bitset.c (bitset_print): Likewise.
11204 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
11205 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11206 * lib/bitsetv.c (bitsetv_dump): Likewise.
11207 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
11208 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
11210 * src/LR0.c (allocate_itemsets): Likewise.
11211 * src/gram.h (rule_number, rule): Likewise.
11212 * src/lalr.h (goto_number): Likewise.
11213 * src/nullable.c (nullable_compute): Likewise.
11214 * src/output.c (prepare_rules): Likewise.
11215 * src/relation.c (relation_print, relation_digraph): Likewise.
11216 * src/relation.h (relation_node): Likewise.
11217 * src/state.h (state_number, transitions, errs, reductions,
11218 struct state): Likewise.
11219 * src/symtab.h (symbol_number, struct symbol): Likewise.
11220 * src/tables.c (vector_number, tally, action_number,
11221 default_goto, goto_actions): Likewise.
11222 * tests/existing.at (GNU Cim Grammar): Likewise.
11223 * tests/regression.at (Web2c Actions): Likewise.
11225 * src/output.c (muscle_insert_short_int_table): Renamed from
11226 muscle_insert_short_table. All uses changed.
11228 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11230 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
11231 (declaration): Replace expected_conflicts with expected_sr_conflicts.
11232 Add %expect-rr rule.
11234 * src/scan-gram.l: Recognize %expect-rr.
11236 * src/conflicts.h (expected_sr_conflicts): Rename from
11237 expected_conflicts.
11238 (expected_rr_conflicts): Declare.
11240 * src/conflicts.c (expected_sr_conflicts): Rename from
11241 expected_conflicts.
11242 (expected_rr_conflicts): Define.
11243 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
11245 Use expected_sr_conflicts in place of expected_conflicts.
11246 Warn if expected_rr_conflicts used in non-GLR parser.
11248 * doc/bison.texinfo: Add documentation for %expect-rr.
11250 2004-03-08 Paul Eggert <eggert@gnu.org>
11252 Add support for hex token numbers. Suggested by Odd Arild Olsen in
11253 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
11255 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
11257 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
11258 * src/scan-gram.l (scan_integer): New function.
11260 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
11261 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
11262 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
11263 Say "long int", not "long", for uniformity with GNU style.
11265 2004-02-25 Paul Eggert <eggert@twinsun.com>
11267 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
11268 compilers. This fixes a problem with Intel's C++ compiler being
11269 chatty, reported by Guido Trentalancia in
11270 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
11272 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
11274 Support %destructor and merge error locations in lalr1.cc.
11276 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
11277 (Parser::stos_): Define unconditionally.
11278 (Parser::destruct_): New method. Generate its body with
11279 b4_yydestruct_generate.
11280 (Parser::error_start_): New attribute.
11281 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
11282 token which are discarded.
11283 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
11284 error_start_ when erroneous token are discarded.
11285 (Parser::parse) <yyerrlab1>: Compute the location of the error
11286 token so that it covers all the discarded tokens.
11287 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
11288 it can be called with `%skeleton "lalr1.cc"', and do that.
11290 2004-02-02 Paul Eggert <eggert@twinsun.com>
11292 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
11293 $(top_srcdir)/lib and ../lib. This fixes a bug reported
11294 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
11295 There's no need to mention top_builddir since Automake does that
11297 (INCLUDES): Remove, as Automake says it's obsolescent.
11298 Contents migrated into AM_CPPFLAGS as described above.
11299 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
11301 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11303 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
11304 (yyreportSyntaxError): Handle case where lookahead token is
11307 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11309 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
11310 resulting parsers are compilable with C++.
11312 2003-12-23 Paul Eggert <eggert@twinsun.com>
11314 * config/depcomp, config/install-sh: Sync with Automake 1.8.
11315 * src/output.c (output_skeleton): Rename local var.
11316 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
11317 Bison tokens, as this runs afoul of the 2003-10-07 change that
11318 disallowed NUL bytes in character constants or string literals.
11320 * tests/local.at: Require Autoconf 2.59's Autotest.
11321 * tests/testsuite.at: Don't include local.at, since we now assume
11322 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
11324 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
11325 multiple inclusion warnings.
11327 2003-12-02 Akim Demaille <akim@epita.fr>
11329 * doc/bison.texinfo (How Can I Reset the Parser): More about start
11333 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
11335 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
11337 2003-10-07 Paul Eggert <eggert@twinsun.com>
11339 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
11340 if testsuite doesn't exist.
11342 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
11343 literals, unfortunately.
11344 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
11345 Complain about NUL bytes in character constants or string literals.
11347 2003-10-05 Paul Eggert <eggert@twinsun.com>
11349 * NEWS: Don't document %no-default-prec, as it's still
11351 * doc/bison.texinfo: Document %no-default-prec only if
11352 the defaultprec flag is set. Normally it's not.
11354 2003-10-04 Paul Eggert <eggert@twinsun.com>
11356 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
11357 non-modifiable lvalue, instead of a modifiable one.
11358 * doc/bison.texinfo (Actions): Document that $$ can
11359 be assigned to. Do not claim that $$ and $N are
11360 array element references: user code should not rely on this.
11362 2003-10-01 Paul Eggert <eggert@twinsun.com>
11364 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
11365 (grammar_declaration): Use it.
11366 * src/scan-gram.l: New token %no-default-prec.
11367 * tests/conflicts.at: Revamp tests to use %no-default-prec.
11368 * NEWS, doc/bison.texinfo: Document the above.
11370 2003-10-01 Akim Demaille <akim@epita.fr>
11372 VCG no longer supports long_straight_phase.
11374 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
11375 * src/print_graph.c (print_graph): Adjust.
11377 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
11378 and Paul Eggert <eggert@twinsun.com>
11380 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
11381 Table of Symbols): Document %default-prec.
11382 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
11383 (grammar_declaration): Set default_prec on %default-prec.
11384 * src/scan-gram.l (%default-prec): New token.
11385 * src/reader.h (default_prec): New flag.
11386 * src/reader.c: Likewise.
11387 (packgram): Handle it.
11388 * tests/conflicts.at (%default-prec without %prec,
11389 %default-prec with %prec, %default-prec 1): New tests.
11391 2003-09-30 Paul Eggert <eggert@twinsun.com>
11393 * tests/testsuite.at: Include local.at, not input.at, fixing
11394 a typo in the 2003-08-25 patch.
11396 2003-08-27 Akim Demaille <akim@epita.fr>
11398 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
11401 2003-08-26 Akim Demaille <akim@epita.fr>
11403 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
11404 "<\#" to avoid magic from Gnus when posting parts of this script.
11406 2003-08-26 Akim Demaille <akim@epita.fr>
11408 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
11409 (Parser::parse): here.
11410 Adjust: nerrs and errstatus is now replaced by...
11411 (Parser::nerrs_, Parser::errstatus_): New.
11413 2003-08-25 Akim Demaille <akim@epita.fr>
11415 * config/announce-gen, Makefile.cfg: New.
11416 * Makefile.am: Adjust.
11417 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
11418 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
11420 2003-08-25 Akim Demaille <akim@epita.fr>
11422 When reducing initial empty rules, Bison parser read an initial
11423 location that is not defined. This results in garbage, and that
11424 affects Bison's own parser. Therefore we need (i) to extend Bison
11425 to support a means to initialize this location, and (ii) to use
11426 this CVS Bison to fix CVS Bison's parser.
11428 * src/reader.h, reader.c (epilogue_augment): Remove, replace
11430 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
11431 * src/parse-gram.y: Adjust.
11432 (%initial-action): New.
11433 (%error-verbose): Since we require CVS Bison, there is no reason
11435 * src/scan-gram.l: Adjust.
11436 * src/Makefile.am (YACC): New, to make sure we use our own parser.
11437 * data/yacc.c (yyparse): Use b4_initial_action.
11439 2003-08-25 Akim Demaille <akim@epita.fr>
11441 * doc/bison.texinfo: Don't promote stdout for error messages.
11443 2003-08-25 Akim Demaille <akim@epita.fr>
11445 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
11446 From Alexandre Duret-Lutz.
11448 2003-08-25 Akim Demaille <akim@epita.fr>
11452 2003-08-25 Akim Demaille <akim@epita.fr>
11454 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
11457 2003-08-25 Akim Demaille <akim@epita.fr>
11459 * data/lalr1.cc (Parser::reduce_print_): New.
11462 2003-08-25 Akim Demaille <akim@epita.fr>
11464 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
11465 error recovery loops. This patch is based on
11466 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
11467 Also, augment the similarity between lalr1.cc and yacc.c.
11468 Note: the locations of error recovery rules are not correct yet.
11470 * data/lalr1.cc: Comment changes to augment the similarity between
11471 lalr1.cc and yacc.c.
11472 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
11473 (yyerrlab1): Remove, but where it used to be (now the bottom part of
11474 yyerrlab), when hitting EOF, pop the whole stack here instead of
11475 merely falling thru the default error handling mechanism.
11476 (yyerrorlab): New label, with the old contents of YYERROR,
11477 plus the following change: pop the stack of rhs corresponding
11478 to the production that invoked YYERROR. That is how Yacc
11479 behaves (required by POSIX).
11480 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
11483 2003-08-25 Akim Demaille <akim@epita.fr>
11485 Tune local.at so that people can "autom4te -l autotest calc.at -o
11486 calc" for instance, to extract a sub test suite.
11488 * tests/testsuite.at: Move the initialization, Autotest version
11489 requirement, and AT_TESTED invocation into...
11490 * tests/local.at: here.
11491 * tests/testsuite.at: Include it for compatibility with Autoconf
11493 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
11496 2003-08-04 Paul Eggert <eggert@twinsun.com>
11498 Rework code slightly to avoid gcc -Wtraditional warnings.
11499 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
11500 The returned value is now stored in *YY0. All callers changed.
11501 * src/output.c (merge_output): Adjust to the above change.
11503 2003-07-26 Paul Eggert <eggert@twinsun.com>
11505 * data/glr.c (YYASSERT): New macro.
11506 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
11507 yyresolveStates, yyprocessOneStack):
11508 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
11509 Derived from a suggestion by Frank Heckenbach.
11511 2003-07-25 Paul Eggert <eggert@twinsun.com>
11513 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
11514 for portability to K&R C (after ansi2knr, presumably). See
11515 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
11516 by Frank Heckenbach, though I have omitted the structure-initialization
11517 part of his glr-knr.diff patch since I recall that the Portable
11518 C Compiler didn't require that change.
11520 Let the user specify how to allocate and free memory.
11521 Derived from a suggestion by Frank Heckenbach in
11522 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
11523 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
11524 All uses of free, malloc, realloc changed to use these macros,
11525 and unnecessary casts removed.
11526 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
11528 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
11530 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
11531 use s.empty() rather than s == "" to test for empty string; see
11532 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
11535 2003-06-25 Akim Demaille <akim@epita.fr>
11537 * config/depcomp, config/install-sh: Update from masters.
11539 2003-06-20 Paul Eggert <eggert@twinsun.com>
11541 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
11542 and return properly parenthesized result.
11543 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
11544 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
11545 Remove unnecessary parentheses from uses.
11546 * doc/bison.texinfo (Location Default Action): Describe the
11547 conventions for parentheses.
11549 2003-06-19 Paul Eggert <eggert@twinsun.com>
11551 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
11552 yyreportTree): Do not assume that size_t is the same width as int,
11553 when printing sizes. Print sizes using an unsigned format.
11554 Problem reported by Frank Heckenbach in
11555 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
11557 Port to Forte Developer 7 C compiler.
11558 * data/glr.c (struct YYLTYPE): If locations are not being used,
11559 declare a single dummy member, as empty structs do not conform
11561 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
11562 the Forte Developer 7 C compiler complains that end-of-loop
11563 code is not reached.
11565 2003-06-17 Paul Eggert <eggert@twinsun.com>
11567 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
11568 avoid warnings from picky compilers about redefinition of PARAMS.
11570 2003-06-17 Paul Eggert <eggert@twinsun.com>
11574 * NEWS: Document 1.875b.
11576 * lib/bbitset.h: Do not include config.h; that's the includer's job.
11577 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
11578 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
11579 Don't use 'index' in comments, as it's a builtin fn on some hosts.
11580 * lib/bitset_stats.c: Include gettext.h unconditionally, as
11581 per recent gettext manual's suggestion.
11582 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
11583 Use prototypes, not old-style definitions.
11584 * lib/lbitset.c (lbitset_unused_clear): Likewise.
11585 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
11586 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
11587 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
11588 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
11589 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
11590 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
11591 vbitset_or_and_cmp, vbitset_copy): Likewise.
11593 * lib/libiberty.h: Do not include config.h; that's the includer's job.
11594 Do not include <stdlib.h>.
11595 (PARAMS): Define unconditionally for C89.
11596 (ATTRIBUTE_NORETURN): Remove.
11597 (ATTRIBUTE_UNUSED): Define unconditionally.
11599 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
11600 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
11601 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
11602 * lib/vbitset.c, lib/vbitset.h: New files.
11603 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11604 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
11607 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
11608 `How Can I Reset @code{yyparse}', since texinfo does not allow
11609 arbitrary @ in node names.
11611 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
11612 shouldn't be needed according to the gettext 0.12.1 documentation
11613 but which seem to be needed anyway: codeset.m4 glibc21.m4
11614 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
11615 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
11616 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
11618 * lib/.cvsignore: Add stdbool.h.
11619 * m4/.cvsignore: Add nls.m4, po.m4.
11621 Upgrade to CVS gnulib.
11622 * stdbool_.h: File renamed from stdbool.h.in.
11623 * configure.ac (AM_STDBOOL_H): Invoke this instead of
11625 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
11626 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
11627 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
11628 (MOSTLYCLEANFILES): New var.
11629 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
11630 (stdbool.h): New rule.
11631 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
11632 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
11633 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
11634 m4/quote.m4: Upgrade to today's gnulib.
11636 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
11637 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
11638 the tests right now.
11639 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
11640 yyerror are declared before use; C99 requires this.
11642 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11644 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
11646 (yyrecoverSyntaxError): Correct the logic for setting and testing
11648 Correct comment on handling EOF.
11649 Allow states with only a default reduction, rather than failing
11650 (I can't quite reconstruct why these were not allowed before).
11652 Fixes to avoid problem that $-N rules in GLR parsers can cause
11653 buffer overruns, corrupting state.
11655 * src/output.c (prepare_rules): Output max_left_semantic_context
11657 * src/reader.h (max_left_semantic_context): New variable declaration.
11658 * src/scan-gram.l (max_left_semantic_context): Define.
11659 (handle_action_dollar): Update max_left_semantic_context.
11660 * data/glr.c (YYMAXLEFT): New definition.
11661 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
11662 (yyresolveAction): Ditto.
11664 Fixes to problems with location handling in GLR parsers reported by
11665 Frank Heckenbach (2003/06/05).
11667 * data/glr.c (YYLTYPE): Make trivial if locations not used.
11668 (YYRHSLOC): Add parentheses, and define only if locations used.
11669 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
11670 locations not used.
11671 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
11672 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
11674 * tests/cxx-type.at: Exercise location information; update tests
11675 to differentiate output with and without locations.
11676 Remove forward declarations of yylex and yyerror---caused errors
11677 because default YYLTYPE not yet defined.
11678 Change semantic actions to compute strings, rather than printing
11679 them directly (to test proper passing of semantics values). Change
11680 output to prefix notation and update test data and expected results.
11681 (yylex): Track locations.
11682 (stmtMerge): Return value rather than printing, and include arguments
11685 2003-06-03 Paul Eggert <eggert@twinsun.com>
11687 Avoid warnings generated by GCC 2.95.4 when Bison is
11688 configured with --enable-gcc-warnings.
11689 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
11690 yy::]b4_parser_class_name[::translate_,
11691 yy::Stack::operator[] (unsigned),
11692 yy::Stack::operator[] (unsigned) const,
11693 yy::Slice::operator[] (unsigned),
11694 yy::Slice::operator[] (unsigned) const):
11695 Rename local vars to avoid warnings.
11696 * tests/glr-regression.at (Improper handling of embedded actions
11697 and $-N in GLR parsers): Remove unused local variable from yylex.
11698 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
11699 (void) as arg when not pure, since we now assume C89 when building
11700 Bison. Pacify GCC by using parameter.
11702 2003-06-02 Paul Eggert <eggert@twinsun.com>
11704 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
11705 yy::Location::lines, yy::Location::columns): Rename arguments
11706 to avoid shadowing; this removes a warning generated by GCC 3.3.
11708 2003-06-01 Paul Eggert <eggert@twinsun.com>
11710 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
11711 to g++, as GCC 3.3 complains if you do it.
11712 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
11713 everything that WARNING_CFLAGS has, except omit warnings
11714 not suitable for C++.
11715 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
11716 * tests/atlocal.in (CXXFLAGS): New var.
11717 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
11719 Fix a GLR parser bug I reported in February; see
11720 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
11721 The problem was that GLR parsers did not conform to the C standard,
11722 because actions like { $1 = $2 + $3; } expanded to expressions
11723 that invoked YYFILL in separate subexpressions, and YYFILL assigned
11724 to a local variable. The C standard says that expressions
11725 like (var = f ()) + (var = f ()) have undefined behavior.
11726 Another problem was that GCC sometimes issues warnings that
11727 yyfill and its parameters are unused.
11729 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
11730 as possibly unused.
11731 (yyfill): New function.
11733 (yyuserAction): Change type of yynormal to bool, so that it matches
11734 the new yyfill signature. Mark it as possibly unused.
11737 Follow up on a bug I reported in February, where a Bison-generated
11738 parser can loop. Provide a test case and a fix for yacc.c. I
11739 don't have a fix for lalr1.cc or for glr.c, unfortunately.
11740 The original bug report is in:
11741 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
11743 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
11744 macro's size was becoming unwieldy.
11745 (yyerrlab): Do not discard an empty lookahead symbol, as this
11746 might destroy garbage.
11747 (yyerrorlab): New label, with the old contents of YYERROR,
11748 plus the following change: pop the stack of rhs corresponding
11749 to the production that invoked YYERROR. That is how Yacc
11750 behaves, and POSIX requires this behavior.
11751 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
11752 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
11753 Define 'alarm' to do nothing if unistd.h is not available.
11754 Add a new rule "exp: '-' error;" to test the above change to
11755 data/yacc.c. Use 'alarm' to abort any test taking longer than
11756 10 seconds, as it's probably looping.
11757 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
11758 Also, the new yacc.c generates two fewer diagnostics for an
11761 2003-05-24 Paul Eggert <eggert@twinsun.com>
11763 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
11764 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
11765 This fixes a problem reported by John Bowman when the Compaq/HP
11766 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
11767 -ansi -Wall -gall).
11768 * data/yacc.c (union yyalloc): Likewise.
11769 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
11771 Switch from 'int' to 'bool' where that makes sense.
11773 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
11774 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
11775 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
11776 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
11777 Return or accept bool, not int. All callers changed.
11778 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
11779 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
11780 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
11781 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
11782 bitset_or_and_cmp_): Likewise.
11783 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
11784 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
11785 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
11786 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
11787 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
11788 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
11789 bitset_stats_or_and_cmp): Likewise.
11790 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
11791 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
11792 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
11793 ebitset_xor_cmp): Likewise.
11794 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
11795 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
11796 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
11797 lbitset_xor_cmp): Likewise.
11798 * lib/bbitset.h: Include <stdbool.h>.
11799 (struct bitset_vtable): The following members now return bool, not
11800 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
11801 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
11803 * src/conflicts.c (count_rr_conflicts): Likewise.
11804 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
11806 * lib/ebitset.c (ebitset_obstack_init): Likewise.
11807 * lib/lbitset.c (lbitset_obstack_init): Likewise.
11808 * src/getargs.c (debug_flag, defines_flag, locations_flag,
11809 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11810 graph_flag): Likewise.
11811 * src/getargs.h (debug_flag, defines_flag, locations_flag,
11812 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11813 graph_flag): Likewise.
11814 * src/output.c (error_verbose): Likewise.
11815 * src/output.h (error_verbose): Likewise.
11816 * src/reader.c (start_flag, typed): Likewise.
11817 * src/reader.h (typed): Likewise.
11818 * src/getargs.c (LOCATIONS_OPTION): New constant.
11819 (long_options, getargs): Use it.
11820 * src/lalr.c (build_relations): Use bool, not int.
11821 * src/nullable.c (nullable_compute): Likewise.
11822 * src/print.c (print_reductions): Likewise.
11823 * src/tables.c (action_row, pack_vector): Likewise.
11824 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
11825 * src/output.c (prepare): Use it.
11826 * src/output.c (token_definitions_output,
11827 symbol_destructors_output, symbol_destructors_output): Use string,
11828 not boolean integer, to keep track of whether to output separator.
11829 * src/print_graph.c (print_core): Likewise.
11830 * src/state.c (state_rule_lookaheads_print): Likewise.
11832 * config/install-sh: Sync from automake 1.7.5.
11834 2003-05-14 Paul Eggert <eggert@twinsun.com>
11836 * src/parse-gram.y (rules_or_grammar_declaration): Require a
11837 semicolon after a grammar declaration, in the interest of possible
11838 future changes to the Bison input language.
11839 Do not allow a stray semicolon at the start of the grammar.
11840 (rhses.1): Allow one or more semicolons after any rule, including
11841 just before "|" as required by POSIX.
11842 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
11845 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
11847 %parse-param support for lalr1.cc.
11849 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
11850 b4_cc_constructor_calls, b4_cc_constructor_call,
11851 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
11853 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
11854 parse-param arguments.
11855 (yy::b4_parser_class_name): Declare instance variables to
11856 hold parse-param arguments.
11857 * tests/calc.at: s/value/semantic_value/ because value clashes
11858 with a member of yy::b4_parser_class_name. Adjust C++ code
11859 to handle %parse-param. Enable %parse-param test in C++.
11861 2003-05-12 Paul Eggert <eggert@twinsun.com>
11863 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
11864 English a bit. Fix fclose typo. Change "const char" to "char
11865 const", and use ANSI C rather than K&R for "main". Suggest
11866 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
11867 and suggest yy_switch_to_buffer.
11869 2003-05-05 Paul Eggert <eggert@twinsun.com>
11871 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
11872 C89. This avoids a diagnostic on compilers that define __STDC__
11873 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
11874 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11876 2003-05-03 Paul Eggert <eggert@twinsun.com>
11878 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
11879 Do not overrun array bounds.
11880 This should fix a bug reported today by Olatunji Oluwabukunmi in
11881 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
11883 2003-04-29 Akim Demaille <akim@epita.fr>
11885 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
11886 * src/getargs.c, src/getargs.h: here, as bool, not int.
11887 (nondeterministic_parser): New.
11888 * src/parse-gram.y, src/scan-gram.l: Support
11889 %nondeterministic-parser.
11890 * src/output.c (prepare): Use nondeterministic_parser instead
11891 of glr_parser where appropriate.
11892 * src/tables.c (conflict_row, action_row, save_row)
11893 (token_actions, token_actions, pack_vector): Ditto.
11895 2003-04-29 Akim Demaille <akim@epita.fr>
11897 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
11899 2003-04-29 Akim Demaille <akim@epita.fr>
11901 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
11902 with %pure-parser and %locations to exercise the patch from Yakov
11905 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
11907 * data/yacc.c: (b4_lex_param): Corrected for the case where
11908 %lex-param is provided and %pure-parser isn't.
11910 2003-04-27 Paul Eggert <eggert@twinsun.com>
11912 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
11913 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
11914 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
11915 if it is not defined.
11916 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
11918 2003-04-26 Paul Eggert <eggert@twinsun.com>
11920 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
11921 Declare to be of type suitable for the ninf value itself, not of
11922 type suitable for the corresponding table, since the latter might
11923 be unsigned but the ninf value might be negative. This fixes a
11924 bug reported by Alexandre Duret-Lutz in
11925 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
11927 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
11928 invokes it. We shouldn't invoke it twice because it will attempt
11929 to put error.o in the archive twice. This fixes a glitch reported
11930 by Martin Mokrejs in
11931 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11933 2003-04-21 Paul Eggert <eggert@twinsun.com>
11935 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
11938 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
11940 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
11941 Fix obvious typo that results in uncompilable GLR parsers
11942 when both %pure-parser and %locations are used. (trivial change)
11944 2003-04-17 Paul Eggert <eggert@twinsun.com>
11946 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
11947 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
11948 Do not insert the expected token via unput, as this runs afoul
11949 of a POSIX-compatibility bug in flex 2.5.31.
11950 All uses changed to BEGIN the parent state,
11951 since we no longer insert the expected token via unput.
11952 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
11953 that is no longer emitted after the above change.
11955 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
11956 the first one. This change is from Paul Hilfinger, and it fixes
11957 regression reported by Werner Lemberg in
11958 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
11960 (resolve_sr_conflict): Don't invoke state_errs_set
11961 unless one or more tokens have been explicitly made errors.
11962 Otherwise, the above change causes Bison to abort.
11964 * tests/existing.at (GNU pic Grammar): New test case, taken from
11967 2003-03-31 Akim Demaille <akim@epita.fr>
11969 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
11971 2003-03-31 Akim Demaille <akim@epita.fr>
11973 * src/output.c (prepare_symbols): Avoid trailing spaces in the
11976 2003-03-31 Akim Demaille <akim@epita.fr>
11978 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
11979 From Paul Hilfinger.
11981 2003-03-29 Akim Demaille <akim@epita.fr>
11983 * m4/error.m4: Do not put under dynamic conditions some code which
11984 expansion is under static control.
11986 2003-03-29 Akim Demaille <akim@epita.fr>
11988 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
11990 2003-03-29 Akim Demaille <akim@epita.fr>
11992 * doc/bison.texinfo (Strings are Destroyed): New.
11994 2003-03-13 Paul Eggert <eggert@twinsun.com>
11996 * .cvsignore: Add configure.lineno.
11997 * src/.cvsignore: Add yacc.
11998 * tests/.cvsignore: Add testsuite.log.
11999 * doc/fdl.texi: Sync with latest FSF version.
12001 2003-03-12 Paul Eggert <eggert@twinsun.com>
12003 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
12004 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
12005 cursor, instead of leaving it undefined. This fixes a bug
12006 reported by Tim Van Holder in
12007 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
12008 * tests/input.at (Torturing the Scanner): Test the scanner on
12009 an empty input file, which was Tim Van Holder's test case.
12011 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
12012 <sys/resource.h> can be included, include sys/time.h and
12013 sys/times.h first, if available. This works around the SunOS
12014 4.1.4 porting bug reported by Bruce Becker in
12015 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
12017 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
12018 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
12019 AC_HEADER_SYS_WAIT.
12021 Merge changes from gnulib. This was prompted because the CVS
12022 snapshot didn't build on Solaris 7 due to strnlen problems.
12024 These changes need to be merged back into gnulib:
12025 * lib/hash.c: Include <stdbool.h> unconditionally.
12026 * m4/onceonly.m4 (m4_quote): New macro.
12027 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
12028 Quote AC_FOREACH variable-expansions properly.
12029 The 2003-01-03 obstack.h change also needs merging.
12030 {end of changes requiring merging}
12032 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
12033 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
12034 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
12035 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
12036 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
12037 New files, imported from gnulib.
12038 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
12041 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
12042 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
12045 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
12047 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
12048 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
12049 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
12050 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
12051 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
12052 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
12053 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
12054 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
12055 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
12056 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
12057 (jm_PREREQ_ARGMATCH): Remove.
12058 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
12059 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
12061 * src/system.h: Include <stdbool.h> unconditionally.
12063 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
12064 assuming at least C89 in the bitset code for some time now.
12066 2003-03-03 Akim Demaille <akim@epita.fr>
12070 2003-03-02 Akim Demaille <akim@epita.fr>
12072 * doc/bison.texinfo (Table of Symbols): Reactivate the
12073 documentation for %lex-param, and %parse-param.
12075 2003-03-02 Akim Demaille <akim@epita.fr>
12077 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
12078 generate verbose error messages.
12079 Use the number of tokens as an upper bound in yytname, as it
12080 cannot be a non terminal.
12082 2003-03-02 Akim Demaille <akim@epita.fr>
12084 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
12087 2003-03-02 Akim Demaille <akim@epita.fr>
12089 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
12090 Use them to exercise yycheck overrun.
12091 Based on Andrew Suffield's grammar.
12093 2003-03-02 Akim Demaille <akim@epita.fr>
12095 Create tests/local.at for Bison generic testing macros.
12097 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
12098 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
12100 * tests/calc.at (AT_CHECK_CALC): Adjust.
12101 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
12102 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
12103 * tests/local.at: here.
12104 (AT_COMPILE_CXX): Tags the tests using it as c++.
12105 Ignore the test if CXX is not functional.
12107 2003-03-01 Paul Eggert <eggert@twinsun.com>
12109 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
12110 not loc->end, since loc->end might contain garbage and this leads
12111 to undefined behavior on some platforms.
12112 (id_loc, token_start): Use (IF_LINTed) initial values that do not
12113 depend on *loc, so that the reader doesn't give the the false
12114 impression that *loc is initialized.
12115 (<INITIAL>"%%"): Do not bother setting code_start, since its value
12116 does not survive the return.
12118 2003-03-01 Akim Demaille <akim@epita.fr>
12120 * src/scan-gram.l (code_start): Always initialize it when entering
12121 into yylex, as SC_EPILOGUE is activated *before* the corresponding
12122 yylex invocation. An alternative would be making it static, but
12123 then it starts with the second %%'s beginning, instead of its end.
12125 2003-02-28 Paul Eggert <eggert@twinsun.com>
12127 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
12128 around a UnixWare 7.1.1 porting bug reported by John Hughes in
12129 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
12131 2003-02-26 Paul Eggert <eggert@twinsun.com>
12133 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
12134 Remove Sequent/Pyramid discussion (nobody uses them any more).
12135 Merge VMS and MS-DOS discussion; these ports may well be dead
12136 but let's keep mentioning them for now. Put <> around email
12137 addresses. Add copyright notice.
12139 2003-02-24 Paul Eggert <eggert@twinsun.com>
12141 * data/glr.c (yy_reduce_print): yylineno -> yylno,
12142 to avoid collision with flex use of yylineno.
12143 Problem reported by Bruce Lilly in
12144 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
12145 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
12146 * data/yacc.c (yy_reduce_print): Likewise.
12148 * config/depcomp: Sync with Automake 1.7.3.
12150 2003-02-21 Akim Demaille <akim@epita.fr>
12152 * data/lalr1.cc: Use temporary variables instead of casts to
12153 change integer types.
12154 Suggested by Paul Eggert.
12156 2003-02-21 Akim Demaille <akim@epita.fr>
12158 * doc/bison.texinfo: Use "location" consistently to refer to @n,
12159 to avoid confusions with lalr1.cc's notion of Position.
12160 Suggested by Paul Eggert.
12162 2003-02-20 Akim Demaille <akim@epita.fr>
12164 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
12165 before initial_columns.
12166 (location.hh): Use consistent variable names when defining the
12168 Use "last" so that we subtract from Positions, not from unsigned.
12170 2003-02-20 Akim Demaille <akim@epita.fr>
12172 * data/lalr1.cc (position.hh): New subfile, including the extended
12173 and Doxygen'ed documentation of class Position.
12174 (location.hh): Use it.
12175 Document a` la Doxygen.
12176 With the help of Benoit Perrot.
12178 2003-02-20 Akim Demaille <akim@epita.fr>
12180 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
12182 Redefine AT_YYERROR_SEES_LOC_IF using it.
12183 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
12185 Don't use the location in yy::Parser::error_ and
12186 yy::Parser::print_ when not %locations.
12187 Activate more lalr1.cc tests.
12189 2003-02-19 Akim Demaille <akim@epita.fr>
12191 * data/lalr1.cc: When displaying a line number, be sure to make it
12194 2003-02-19 Akim Demaille <akim@epita.fr>
12196 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
12198 (YYABORT, YYACCEPT, YYERROR): New.
12199 * tests/calc.at: Renable the lalr1.cc test.
12201 2003-02-19 Akim Demaille <akim@epita.fr>
12203 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
12204 error recovery, mixing with/without pops and discarding of the
12207 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
12209 2003-02-17 Paul Eggert <eggert@twinsun.com>
12211 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
12212 * tests/testsuite.at (AT_COMPILE): Use them.
12213 This fixes the testsuite problem reported by Robert Lentz in
12214 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
12216 2003-02-12 Paul Eggert <eggert@twinsun.com>
12218 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
12219 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
12220 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
12221 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
12222 Check for malloc failure, for consistency with yacc.c.
12223 (yytname_size): Remove, for consistency with yacc.c.
12225 The bug still remains in data/lalr1.cc, as I didn't have time
12228 2003-02-06 Akim Demaille <akim@epita.fr>
12230 * configure.ac (GXX): Rename as...
12231 (CXX): this, to keep the original Autoconf semantics.
12233 * data/lalr1.cc: Fix b4_copyright invocations.
12234 If YYDEBUG is not defined, don't depend upon name_ being defined.
12235 (location.hh): Include string and iostream.
12236 (Position::filename): New member.
12237 (Position::Position ()): New.
12238 (operator<< (Position)): New.
12239 (operator- (Position, int)): New.
12240 (Location::first, Location::last): Rename as...
12241 (Location::begin, Location::end): these, to mock the conventional
12243 (operator<< (Location)): New.
12244 * tests/atlocal.in (CXX): New.
12245 * tests/testsuite.at (AT_COMPILE_CXX): New.
12246 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
12247 locations in a more synthetic way.
12248 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
12250 Adjust the C locations to match those from Emacs: first column is
12252 Change all the expected results.
12253 Conform to the GCS: simplify the locations when applicable.
12254 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
12255 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
12256 these CPP macros with the m4 macros new defined by...
12257 (AT_CHECK_PUSHDEFS): this, i.e.:
12258 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
12259 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
12261 (AT_CHECK_POPDEFS): Undefine them.
12262 (AT_CHECK_CALC_LALR1_CC): New.
12263 Use it for the first lalr1.cc test.
12265 2003-02-04 Akim Demaille <akim@epita.fr>
12267 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
12268 Location as is defined.
12270 2003-02-04 Akim Demaille <akim@epita.fr>
12272 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
12273 name_ being defined.
12275 2003-02-03 Paul Eggert <eggert@twinsun.com>
12277 * src/gram.h (start_symbol): Remove unused decl.
12279 Use more-consistent naming conventions for local vars.
12281 * src/derives.c (derives_compute): Change type of local var from
12282 int to rule_number.
12283 * src/gram.c (grammar_rules_partial_print): Likewise.
12284 * src/print.c (print_core): Likewise.
12285 * src/reduce.c (reduce_grammar_tables): Likewise.
12287 * src/gram.c (grammar_dump): Change name of item_number *
12288 local var from r to rp.
12289 * src/nullable.c (nullable_compute): Likewise.
12291 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
12293 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
12294 for symbol or symbol_number var.
12295 * src/reader.c (grammar_start_symbol_set): Likewise.
12296 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
12298 * src/state.c (transitions_to): Likewise.
12299 * src/state.h: Likewise.
12300 * src/tables.c (symbol_number_to_vector_number): Likewise.
12302 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
12305 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
12308 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
12311 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
12312 Use str, not s, for char * var. Use ch, not c, for character var.
12313 Use size for size var.
12315 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
12317 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
12319 * src/uniqstr.h: Likewise.
12321 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
12322 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
12323 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
12324 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
12325 param to have same name as that of enum, so that we don't use
12326 "s" to stand for a non-state.
12328 2003-02-02 Akim Demaille <akim@epita.fr>
12330 * src/scan-skel.l: Scan more than one inert character per yylex
12333 2003-02-01 Paul Eggert <eggert@twinsun.com>
12337 * po/LINGUAS: Add ms.
12339 2003-01-30 Akim Demaille <akim@epita.fr>
12341 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
12343 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12345 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
12348 Changes in response to error report by S. Eken: GLR mode does not
12349 handle negative $ indices or $ indices in embedded rules correctly.
12350 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
12352 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
12353 (b4_rhs_location): Ditto.
12354 (yyfill): New function to copy from stack tree into array
12356 (yyuserAction): Modify to allow incremental move of semantic values
12357 to rhs array when in GLR mode.
12358 Define YYFILL to use in user-defined actions to fill semantic array
12360 Remove dummy use of yystack, as there is now a guaranteed use.
12361 (yydoAction): Modify to allow incremental move of semantic values
12362 to rhs array when in GLR mode.
12363 (yyresolveAction): Ditto.
12364 (yyglrShiftDefer): Update comment.
12365 (yyresolveStates): Use X == NULL for pointers, not !X.
12366 (yyglrReduce): Ditto.
12367 (yydoAction): Ditto
12369 * tests/glr-regr1.at: Rename to ...
12370 * tests/glr-regression.at: Add new regression test for the problems
12371 described above (adapted from S. Eken).
12372 Update copyright notice.
12373 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
12374 * tests/Makefile.am: Ditto.
12376 2003-01-28 Paul Eggert <eggert@twinsun.com>
12378 * data/lalr1.cc: Do not use @output_header_name@ unless
12379 b4_defines_flag is set. This fixes two bugs reported by
12381 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
12382 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
12384 2003-01-21 Paul Eggert <eggert@twinsun.com>
12386 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
12387 we don't need to worry about yyerrlab1 being reported as an
12388 "unused label" by non-GCC C compilers. The downside is that if
12389 locations are used then a couple of statements are duplicated each
12390 time YYERROR is invoked, but the upside is that the warnings
12392 (yyerrlab1): Move code to YERROR.
12393 (yyerrlab2): Remove. Change uses back to yyerrlab1.
12394 This reverts some of the 2002-12-27 change.
12396 2003-01-17 Paul Eggert <eggert@twinsun.com>
12398 * src/output.c (symbol_printers_output): Fix typo that led
12399 to core dump. Problem reported by Antonio Rus in
12400 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
12402 2003-01-13 Akim Demaille <akim@epita.fr>,
12403 Quoc Peyrot <chojin@lrde.epita.fr>,
12404 Robert Anisko <anisko_r@lrde.epita.fr>
12406 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
12407 when the stacks contain one element, as the loop would otherwise
12408 free the last state, and then use the top state (the one we just
12409 popped). This means that the initial elements will not be freed
12410 explicitly, as is the case in yacc.c; it is not a problem, as
12411 these elements have fake values.
12413 2003-01-11 Paul Eggert <eggert@twinsun.com>
12415 * NEWS: %expect-violations are now just warnings, reverting
12416 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
12417 bootstrapping problem reported by Matthias Klose; see
12418 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
12419 * src/conflicts.c (conflicts_print): Likewise.
12420 * tests/conflicts.at (%expect not enough, %expect too much,
12421 %expect with reduce conflicts): Likewise.
12422 * doc/bison.texinfo (Expect Decl): Document this. Also mention
12423 that the warning is enabled if the number of conflicts changes
12424 (not necessarily increases).
12426 * src/getargs.c (version): Update copyright year.
12428 2003-01-09 Akim Demaille <akim@epita.fr>
12430 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
12432 2003-01-08 Paul Eggert <eggert@twinsun.com>
12434 * Makefile.maint (WGETFLAGS):
12435 New macro, containing "-C off" to disable proxy caches.
12436 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
12437 (rel-check): Use $(WGET) instead of wget.
12439 2003-01-06 Paul Eggert <eggert@twinsun.com>
12441 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
12442 the GLR paper of Scott, Johnstone and Hussain.
12444 2003-01-04 Paul Eggert <eggert@twinsun.com>
12446 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
12447 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
12448 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
12449 (EXTRA_LIBRARIES): New var, for liby.a.
12450 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
12451 (EXTRA_SCRIPTS): New var, for yacc.
12453 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
12454 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
12455 Problem reported by Nelson H. F. Beebe.
12457 2003-01-03 Paul Eggert <eggert@twinsun.com>
12459 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
12460 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
12461 when compiling Bison 1.875's `bitset bset = obstack_alloc
12462 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
12464 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
12465 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
12466 grow to a huge size with typical invocation.
12468 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
12469 Use the pattern recommended by Autoconf 2.57, except also protect
12470 against double-definition.
12471 * src/system.h: Likewise.
12472 Portability issues reported by Nelson H. F. Beebe.
12474 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
12475 All uses changed. Provide a definition in both C and C++.
12476 (yytrue, yyfalse): Define even if defined (__cplusplus).
12478 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
12479 Reported by Nelson H. F. Beebe.
12481 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
12483 2003-01-02 Paul Eggert <eggert@twinsun.com>
12485 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
12486 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
12487 Bug reported by Nelson H. F. Beebe.
12489 2003-01-01 Paul Eggert <eggert@twinsun.com>
12493 2002-12-30 Paul Eggert <eggert@twinsun.com>
12495 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
12497 (<INITIAL>","): Here. This causes stray "," to be treated
12500 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
12501 last brace in braced code when not in Yacc mode, for compatibility
12502 with Bison 1.35. This resurrects the 2001-12-15 patch to
12505 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
12506 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
12508 2002-12-28 Paul Eggert <eggert@twinsun.com>
12510 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
12511 that of SYM's type. This fixes Debian bug 168069, reported by
12514 2002-12-28 Paul Eggert <eggert@twinsun.com>
12518 Switch back to the Yacc style of conflict reports, undoing some
12519 of the 2002-07-30 change.
12520 * doc/bison.texinfo (Understanding): Use Yacc style for
12521 conflict reports. Also, use new way of locating rules.
12522 * src/conflicts.c (conflict_report):
12523 Renamed from conflict_report_yacc, removing the old
12524 'conflict_report'. Translate the entire conflict report at once,
12525 so that we don't assume that "," has the same interpretation in
12527 (conflicts_output): Use Yacc-style conflict report for each state,
12528 instead of our more-complicated style.
12529 (conflicts_print): Use Yacc-style conflict report, except print
12530 the input file name when not emulating Yacc.
12531 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
12532 Conflicted Reduction, %expect not enough, %expect too much,
12533 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
12534 * tests/existing.at (GNU Cim Grammar): Likewise.
12535 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
12537 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
12538 fatal): Don't invoke fflush; it's not needed and it might even be
12539 harmful for stdout, as stdout might not be open.
12540 * src/reduce.c (reduce_print): Likewise.
12542 2002-12-27 Paul Eggert <eggert@twinsun.com>
12544 Fix a bug where error locations were not being recorded correctly.
12545 This problem was originally reported by Paul Hilfinger in
12546 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
12548 * data/yacc.c (yyparse): New local var yylerrsp, to record the
12549 top of the location stack's error locations.
12550 (yyerrlab): Set it. When discarding a token, push its location
12551 onto yylerrsp so that we don't lose track of the error's end.
12552 (yyerrlab1): Now is only the target of YYERROR, so that we can
12553 properly record the location of the action that failed. For GCC
12554 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
12555 GCC warning about yyerrlab1 being unused if YYERROR is unused.
12556 (yyerrlab2): New label, which yyerrlab now falls through to.
12557 Compute the error's location by applying YYLLOC_DEFAULT to
12558 the locations of all the symbols that went into the error.
12559 * doc/bison.texinfo (Location Default Action): Mention that
12560 YYLLOC_DEFAULT is also invoked for syntax errors.
12561 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
12562 Error locations include the locations of all the tokens that were
12563 discarded, not just the last token.
12565 2002-12-26 Paul Eggert <eggert@twinsun.com>
12567 * src/files.c: Include quote.h.
12568 (compute_output_file_names): Warn if we detect conflicting
12569 outputs to the same file. This should catch the misunderstanding
12570 exemplified by Debian Bug 165349, reported by Bruce Stephens..
12572 * src/conflicts.c (conflicts_print): If the user specifies
12573 "%expect N", report an error if there are any reduce/reduce
12574 conflicts. This is what the manual says should happen.
12575 This fixes Debian bug 130890, reported by Anthony DeRobertis.
12576 * tests/conflicts.at (%expect with reduce conflicts): New test.
12578 Don't use m4_include on relative file names, as it doesn't work as
12579 desired if there happens to be a file with that name under ".".
12581 * m4sugar/version.m4: Remove; it was included but it wasn't used.
12582 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
12583 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
12584 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
12585 * src/output.c (output_skeleton): Use full path names when
12586 specifying a file to include; don't rely on include path, as
12587 it's unreliable when the working file contains a file with
12590 2002-12-25 Paul Eggert <eggert@twinsun.com>
12592 Remove obsolete references to bison.simple and bison.hairy.
12593 Problem mentioned by Aubin Mahe in
12594 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
12595 * data/glr.c: Comment fix.
12596 * doc/bison.1: Remove references. Also, mention "yacc".
12598 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
12601 * src/parse-gram.y (declaration): Use enum "report_states" rather
12602 than its numeric value 1.
12604 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
12605 opening a new one. This fixes Debian bug 165349, reported by
12608 2002-12-24 Paul Eggert <eggert@twinsun.com>
12612 * Makefile.maint (cvs-update): Don't assume that the shell
12613 supports $(...), as Solaris sh doesn't.
12615 * src/parse-gram.y (lloc_default): Remove test for empty
12616 nonterminals at the end, since it didn't change the result.
12618 2002-12-24 Paul Eggert <eggert@twinsun.com>
12620 If the user does not define YYSTYPE as a macro, Bison now declares it
12621 using typedef instead of defining it as a macro. POSIX requires this.
12622 For consistency, YYLTYPE is also declared instead of defined.
12624 %union directives can now have a tag before the `{', e.g., the
12625 directive `%union foo {...}' now generates the C code
12626 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
12627 The default union tag is `YYSTYPE', for compatibility with Solaris 9
12628 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
12629 instead of `yyltype'.
12631 `yystype' and `yyltype' are now obsolescent macros instead of being
12632 typedefs or tags; they are no longer documented and will be
12633 withdrawn in a future release.
12635 * data/glr.c (b4_location_type): Remove.
12636 (YYSTYPE): Renamed from yystype.
12637 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
12638 (struct YYLTYPE): Renamed from struct yyltype.
12639 (YYLTYPE): Renamed from yyltype.
12640 (yyltype, yystype): New (and obsolescent) macros,
12641 for backward compatibility.
12642 * data/yacc.c: Likewise.
12644 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
12645 does not specify a union tag. This is for compatibility with
12648 * src/parse-gram.y (add_param): 2nd arg is now char * not char
12649 const *, since it is now modified by stripping surrounding { }.
12650 (current_braced_code): Remove.
12651 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
12652 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
12653 trailing " {...}". Now of type <chars>.
12654 (grammar_declaration): Adjust to bundled tokens.
12655 (code_content): Remove; stripping is now done by add_param.
12656 (print_token_value): Print contents of bundled tokens.
12657 (token_name): New function.
12659 * src/reader.h (braced_code, current_braced_code): Remove.
12660 (token_name): New decl.
12662 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
12663 token_type, not braced_code code_kind. All uses changed.
12664 (SC_PRE_CODE): New state, for scanning after a keyword that
12665 has (or usually has) an immediately-following braced code.
12666 (token_type): New local var, to keep track of which token type
12667 to return when scanning braced code.
12668 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
12669 <INITIAL>"%parse-param", <INITIAL>"%printer",
12670 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
12671 instead of returning a token type immediately.
12672 (<INITIAL>"{"): Set token type.
12673 (<SC_BRACED_CODE>"}"): Use it.
12674 (handle_action_dollar, handle_action_at): Now returns bool
12675 indicating success. Fail if ! current_rule; this prevents a core dump.
12676 (handle_symbol_code_dollar, handle_symbol_code_at):
12677 Remove; merge body into caller.
12678 (handle_dollar, handle_at): Complain in invalid contexts.
12680 * NEWS, doc/bison.texinfo: Document the above.
12681 * NEWS: Fix years and program names in copyright notice.
12683 2002-12-17 Paul Eggert <eggert@twinsun.com>
12685 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
12686 Reporting, Table of Symbols): Omit mentions of %lex-param and
12687 %parse-param from the documentation for now.
12689 2002-12-15 Paul Eggert <eggert@twinsun.com>
12691 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
12692 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
12693 lookahead symbol, and which sets yychar in parser actions) and it
12694 disagreed with the Bison documentation. Bug
12695 reported by Andrew Walrond.
12697 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
12698 as the caller now does that.
12699 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
12700 (YYEMPTY): Parenthesize right hand side, since others use it.
12701 (yyparse): Don't assume that our generated code is the only code
12704 2002-12-13 Paul Eggert <eggert@twinsun.com>
12708 POSIX requires a "yacc" command.
12709 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
12710 (MOSTLYCLEANFILES): Add yacc.
12712 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
12713 as an alias for bison y.
12715 * po/LINGUAS: Add da.
12717 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
12718 problem with latest <getopt.h>.
12719 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
12721 * doc/fdl.texi: Upgrade to 1.2.
12722 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
12723 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
12724 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
12726 * config/install-sh: Sync with autotools.
12728 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
12729 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12730 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
12731 locations are requested.
12732 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
12733 locations are requested.
12735 2002-12-12 Paul Eggert <eggert@twinsun.com>
12737 Remove unportable casts and storage allocation tricks.
12738 While we're at it, remove almost all casts, since they
12739 usually aren't needed and are a sign of trouble.
12741 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
12743 * src/derives.c (derives_compute): Do not subtract NTOKENS from
12744 the pointer DSET returned by malloc; this isn't portable.
12745 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
12746 Similarly for DERIVES.
12747 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
12748 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
12749 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
12751 * src/derives.c (derives_compute): Do not bother invoking
12752 int_of_rule_number, since rule numbers are integers.
12754 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
12755 rather than XMALLOC (char, N).
12757 * src/files.c (filename_split): Rewrite to avoid cast.
12759 * src/gram.h (symbol_number_as_item_number,
12760 item_number_as_symbol_number, rule_number_as_item_number,
12761 item_number_as_rule_number):
12762 Now inline functions rather than macros, to avoid casts.
12763 * src/state.h (state_number_as_int): Likewise.
12764 * src/tables.c (state_number_to_vector_number,
12765 symbol_number_to_vector_number): Likewise.
12767 * src/gram.h (int_of_rule_number): Remove; no longer used.
12769 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
12770 since the resulting storage is always stored into.
12772 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
12775 * src/muscle_tab.c (muscle_m4_output):
12776 Now inline. Return bool, not int.
12777 * src/state.c (state_compare): Likewise.
12778 * src/symtab.c (symbol_check_defined,
12779 symbol_check_alias_consistency, symbol_pack, symbol_translation,
12780 hash_compare_symbol, hash_symbol):
12782 * src/uniqstr.c (uniqstr_print): Likewise.
12783 * src/muscle_tab.c (muscle_m4_output_processor):
12784 New function, to avoid casts.
12785 * src/state.c (state_comparator, stage_hasher): Likewise.
12786 * src/symtab.c (symbol_check_defined_processor,
12787 symbol_check_alias_consistency_processor, symbol_pack_processor,
12788 symbol_translation_processor, hash_symbol_comparator,
12789 hash_symbol_hasher): Likewise.
12790 * src/uniqstr.c (uniqstr_print_processor): Likewise.
12791 * src/muscle_tab.c (muscles_m4_output):
12792 Use new functions instead of casting old functions unportably.
12793 * src/state.c (state_hash_new): Likewise.
12794 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
12795 symbols_token_translations_init):
12797 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
12799 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
12800 var instead of casting to long, to avoid casts.
12801 (prepare_states): Use MALLOC rather than alloca, so that we don't
12802 have to worry about alloca.
12803 * src/state.c (state_hash_lookup): Likewise.
12805 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
12806 local var instead of casting to unsigned char, to avoid casts.
12808 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
12809 STATE_ALLOC): Remove.
12810 (transitions_new, errs_new, reductions_new, state_new): Use malloc
12811 rather than calloc, and use offsetof to avoid allocating slightly
12813 (state_new): Initialize all members.
12815 * src/state.c (state_hash): Use unsigned accumulator, not signed.
12817 * src/symtab.c (symbol_free): Remove; unused.
12818 (symbol_get): Remove cast in lhs of assignment.
12819 (symbols_do): Now static. Accept generic arguments, not
12820 hashing-related ones.
12822 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
12823 (symbol_processor): Remove.
12824 (symbols_do): Remove decl; now static.
12826 * src/system.h (alloca): Remove; decl no longer needed.
12827 (<stddef.h>): Include, for offsetof.
12828 (<inttypes.>, <stdint.h>): Include if available.
12829 (uintptr_t): New type, if system lacks it.
12830 (CALLOC, MALLOC, REALLOC): New macros.
12831 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
12834 * src/tables.c (table_size): Now int, to pacify GCC.
12835 (table_grow, table_ninf_remap): Use signed table size.
12836 (save_row): Don't bother initializing locals when not needed.
12837 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
12838 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
12840 * src/vcg.h: Correct misspellings.
12842 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
12845 * src/getargs.c (getargs): Don't assume EOF == -1.
12847 2002-12-09 Paul Eggert <eggert@twinsun.com>
12849 Change identifier spellings to avoid collisions with names
12850 that are reserved by POSIX.
12852 Don't use names ending in _t, since POSIX reserves them.
12853 For consistency, remove _e and _s endings -- they're weren't
12854 needed to remove ambiguity. All uses changed.
12855 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
12856 turn was just renamed from struniq_t.
12857 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
12858 which in turn was just renamed from struniq_processor_t.
12859 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
12860 in turn was renamed from hash_compare_struniq_t.
12861 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
12862 (state_list): Renamed from state_list_t.
12863 * src/assoc.h (assoc): Renamed from assoc_t.
12864 * src/conflicts.c (enum conflict_resolution): Renamed from
12865 enum conflict_resolution_e.
12866 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
12867 (rule_list): Renamed from rule_list_t.
12868 * src/getargs.h (enum trace): Renamed from enum trace_e.
12869 (enum report): Renamed from enum report_e.
12870 * src/gram.h (item_number): Renamed from item_number_t.
12871 (rule_number): Renamed from rule_number_t.
12872 (struct rule_s): Remove the "rule_s" part; not used.
12873 (rule): Renamed from rule_t.
12874 (rule_filter): Renamed from rule_filter_t.
12875 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
12876 (goto_list): Renamed from goto_list_t.
12877 * src/lalr.h (goto_number): Renamed from goto_number_t.
12878 * src/location.h (location): Renamed from location_t.
12879 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
12880 and moved here from:
12881 * src/muscle_tab.h (muscle_entry_t): here.
12882 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
12883 (rule_list): Renamed from rule_list_t.
12884 * src/print_graph.c (static_graph): Renamed from graph.
12885 * src/reader.h (braced_code): Renamed from braced_code_t.
12886 Remove brace_code_e tag.
12887 * src/relation.h (relation_node): Renamed from relation_node_t.
12888 (relation_nodes): Renamed from relation_nodes_t.
12889 (relation): Renamed from relation_t.
12890 * src/state.h (state_number): Renamed from state_number_t.
12891 (struct state): Renamed from struct state_s.
12892 (state): Renamed from state_t.
12893 (transitions): Renamed from transitions_t. Unused (and
12894 misspelled) transtion_s tag removed.
12895 (errs): Renamed from errs_t. Unused errs_s tag removed.
12896 (reductions): Renamed from reductions_t. Unused tag
12897 reductions_s removed.
12898 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
12899 (struct symbol_list): Renamed from struct symbol_list_s.
12900 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
12901 (struct symbol): Renamed from struct symbol_s.
12902 (symbol): Renamed from symbol_t.
12903 * src/tables.c (vector_number): Renamed from vector_number_t.
12904 (action_number): Renamed from action_t.
12905 * src/tables.h (base_number): Renamed from base_t.
12906 * src/vcg.h (enum color): Renamed from enum color_e.
12907 (enum textmode): Renamed from enum textmode_e.
12908 (enum shape): Renamed from enum shape_e.
12909 (struct colorentry): Renamed from struct colorentry_s.
12910 (struct classname): Renamed from struct classname_s.
12911 (struct infoname): Renamed from struct infoname_s.
12912 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
12913 (enum decision): Renamed from enum decision_e.
12914 (enum orientation): Renamed from enum orientation_e.
12915 (enum alignment): Renamed from enum alignment_e.
12916 (enum arrow_mode): Renamed from enum arrow_mode_e.
12917 (enum crossing_type): Renamed from enum crossing_type_e.
12918 (enum view): Renamed from enum view_e.
12919 (struct node): Renamed from struct node_s.
12920 (node): Renamed from node_t.
12921 (enum linestyle): Renamed from enum linestyle_e.
12922 (enum arrowstyle): Renamed from enum arrowstyle_e.
12923 (struct edge): Renamed from struct edge.
12924 (edge): Renamed from edge_t.
12925 (struct graph): Renamed from struct graph_s.
12926 (graph): Renamed from graph_t.
12927 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
12928 Rename value_t -> value.
12929 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
12930 value_t_as_yystype -> value_as_yystype.
12932 Don't include <errno.h> in the mainstream code, since it
12933 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
12934 * lib/get-errno.c, lib/get-errno.h: New files.
12935 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
12937 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
12938 * src/output.c (output_skeleton): Likewise.
12939 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
12941 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
12943 (handle_action_dollar, handle_action_at): Likewise.
12944 * src/system.h: Do not include <errno.h>.
12945 (TAB_EXT): Renamed from EXT_TAB.
12946 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
12948 Avoid str[a-z]*, since <string.h> reserves that name space.
12949 Change all instances of "struniq" in names to "uniqstr", and
12950 likewise for "STRUNIQ" and "UNIQSTR".
12951 * src/uniqstr.c: Renamed from src/struniq.c.
12952 * src/uniqstr.h: Renamed from src/struniq.h.
12953 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
12954 * src/files.c (strsuffix): Remove; unused.
12955 (concat2): Renamed from stringappend. Now static.
12956 * src/files.h (strsuffix, stringappend): Remove; unused.
12957 * src/parse-gram.y (<chars>): Renamed from <string>.
12958 (<uniqstr>): Renamed from <struniq>.
12959 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
12960 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
12961 (struct graph_s.expand): Renamed from struct graph_s.stretch.
12962 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
12963 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
12964 (N_EXPAND): Renamed from N_STRETCH.
12966 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
12967 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
12968 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
12970 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
12971 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
12972 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
12973 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
12974 (BASE_MAXIMUM): Renamed from BASE_MAX.
12975 (BASE_MINIMUM): Renamed from BASE_MIN.
12976 (ACTION_MAX): Remove; unused.
12977 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
12978 Unnecessary casts removed from above defines.
12981 Fix misspelling in names.
12982 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
12983 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
12987 * lib/timevar.c (timevar_report): Renamed from time_report,
12988 for consistency with other names.
12989 * lib/timevar.h (timevar_report): New decl.
12990 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
12993 Sort include-file uses.
12995 Reorder all include files under src to be in the order "system.h".
12996 then the ../lib include files in angle brackets (alphabetized),
12997 then the . include files in double-quotes (alphabetized). Fix
12998 dependency breakages encountered in this process, as follows:
12999 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
13000 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
13001 * src/state.h: Include "symtab.h".
13003 2002-12-08 Paul Eggert <eggert@twinsun.com>
13005 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
13006 since this causes problems when __file__ contains character
13007 sequences like "@" that are treated specially by src/scan-skel.l.
13008 Instead, just use the file's basename. This fixes the bug
13009 reported by Martin Mokrejs in
13010 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
13012 2002-12-06 Paul Eggert <eggert@twinsun.com>
13014 Add support for rules that do not have trailing semicolons, as
13015 POSIX requires. Improve the quality of locations in Bison
13018 * src/location.c: Include <quotearg.h>.
13019 (empty_location): Now const.
13020 (location_print): New function. Follow the recommendation of the
13021 GNU Coding Standards for locations that span file boundaries.
13022 * src/location.h: Do not include <quotearg.h>; no longer needed.
13023 (boundary): New type.
13024 (location_t): Use it. This allows locations to span file boundaries.
13025 All member uses changed: file -> start.file or end.file (as needed),
13026 first_line -> start.line, first_column -> start.column,
13027 last_line -> end.line, last_column -> end.column.
13028 (equal_boundaries): New function.
13029 (LOCATION_RESET, LOCATION_STEP): Remove.
13030 (LOCATION_PRINT): Remove. All callers changed to use location_print.
13031 (empty_location): Now const.
13032 (location_print): New decl.
13033 * src/parse-gram.y (lloc_default): New function, which handles
13034 empty locations more accurately.
13035 (YYLLOC_DEFAULT): Use it.
13036 (%token COLON): Remove.
13037 (%token ID_COLON): New token.
13039 (declarations, rules): Remove trailing semicolon.
13040 (declaration, rules_or_grammar_declaration):
13041 Allow empty (";") declaration.
13042 (symbol_def): Remove empty actions; no longer needed.
13043 (rules_or_grammar_declaration): Remove trailing semicolon.
13044 (semi_colon.opt): Remove.
13045 * src/reader.h: Include location.h.
13046 (scanner_cursor): New decl.
13047 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
13049 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
13051 (STEP): Remove. No longer needed, now that adjust_location does
13052 the work. All uses removed.
13053 (scanner_cursor): New var.
13054 (adjust_location): Renamed from extend_location. It now sets
13055 *loc and adjusts the scanner cursor. All uses changed.
13056 Don't bother testing for CR.
13057 (handle_syncline): Remove location arg; now updates scanner cursor.
13058 All callers changed.
13059 (unexpected_end_of_file): Now accepts start boundary of token or
13060 comment, not location. All callers changed. Update scanner cursor,
13062 (SC_AFTER_IDENTIFIER): New state.
13063 (context_state): Renamed from c_context. All uses changed.
13064 (id_loc, code_start, token_start): New local vars.
13065 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
13066 processing of Yacc white space and equivalents here.
13067 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
13068 instead of returning ID immediately, since we need to search for
13069 a subsequent colon.
13070 (<INITIAL>"'", "\""): Save token_start.
13071 (<INITIAL>"%{", "{", "%%"): Save code_start.
13072 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
13073 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
13074 BEGIN context_state at end, not INITIAL.
13075 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
13076 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
13077 Return correct token start.
13078 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
13079 the start of a character, string or multiline comment is found.
13080 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
13081 Reduction): Adjust reported locations to match the more-precise
13082 results now expected.
13083 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
13084 * tests/reduce.at (Useless Rules, Reduced Automaton,
13085 Underivable Rules): Likewise.
13086 * tests/regression.at (Invalid inputs): No longer `expecting ";"
13087 or "|"' now that so many other tokens are allowed by the new grammar.
13089 * src/complain.h (current_file): Remove duplicate decl;
13090 current_file is now owned by files.h.
13091 * src/complain.c, src/scan-gram.l: Include files.h.
13093 2002-12-06 Paul Eggert <eggert@twinsun.com>
13095 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
13096 promotes to int; it might be unsigned int.
13097 * data/yacc.c (yy_reduce_print): Likewise.
13099 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
13100 be #defined in the prologue, not in the Bison declarations.
13101 This fixes Debian Bug 102878, reported by Shaul Karl.
13103 2002-12-02 Paul Eggert <eggert@twinsun.com>
13105 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
13106 * lib/strtoul.c: New file, from gnulib.
13107 This fixes a porting bug reported by Peter Klein in
13108 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
13110 2002-11-30 Paul Eggert <eggert@twinsun.com>
13112 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
13113 and put only a forward declaration in the prologue. This is for
13114 consistency with the other scanner helper functions.
13116 Type clashes now generate warnings, not errors, since it
13117 appears that POSIX may allow some grammars with type clashes.
13118 * src/reader.c (grammar_current_rule_check): Warn about
13119 type clashes instead of complaining.
13120 * tests/input.at (Type Clashes): Expect warnings, not complaints.
13122 Add Yacc library, since POSIX requires it.
13123 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
13124 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
13125 * lib/main.c, lib/yyerror.c: New files.
13127 gram_error can be static; it need not be extern.
13128 * src/reader.h (gram_error): Remove decl.
13129 * src/parse-gram.y (gram_error): Now static. Add static decl.
13130 (print_token_value): Omit parameter names from forward decl,
13133 2002-11-29 Paul Eggert <eggert@twinsun.com>
13135 * doc/bison.texinfo: Emphasize that yylex and yyerror must
13136 be declared before being used. E.g., one should typically
13137 declare them in the prologue. Use GNU coding style in examples.
13138 Put "const" consistently after the type it modifies. Mention
13139 that C99 supports "inline". Mention that yyerror traditionally
13142 %parse-param and %lex-param now take just one argument, the
13143 declaration; the argument name is deduced from the declaration.
13145 * doc/bison.texinfo (Parser Function, Pure Calling, Error
13146 Reporting, Table of Symbols): Document this.
13147 * src/parse-gram.y (add_param): New function.
13149 (declaration): Implement new rule for %parse-param and %lex-param.
13150 * src/scan-gram.l: "," now elicits a warning, rather than being
13151 a token; this is more compatible with byacc.
13152 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
13154 2002-11-27 Paul Eggert <eggert@twinsun.com>
13156 Rename identifiers to avoid real and potential collisions.
13158 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
13159 to avoid collision with lex macro described by Bruce Lilly in
13160 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
13161 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
13162 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
13163 * src/parse-gram.y (print_token_value): Renamed from yyprint.
13165 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
13166 The name "yycontrol" violates the name space rules, and this stuff
13167 wasn't being used anyway.
13168 (input): Remove action; this stuff wasn't being used.
13169 (gram_error): Rename local variable yylloc -> loc.
13170 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
13171 (YY_DECL): Don't use "yy" at start of local variables.
13172 All uses changed, e.g., yylloc -> loc.
13173 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
13174 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
13175 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
13176 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
13178 * src/parse-gram.y (gram_error): loc is now const *.
13179 * src/reader.h (gram_error): Likewise.
13181 2002-11-24 Paul Eggert <eggert@twinsun.com>
13185 * tests/actions.at (Actions after errors): Use an output format
13186 more similar to that of the Printers and Destructors test.
13187 Test the position of the ';' token too.
13188 (Printers and Destructors): Likewise.
13189 (Printers and Destructors: %glr-parser): Remove for now, to avoid
13190 unnecessarily alarming people when the test fails.
13192 * data/yacc.c (yyerrlab1): Move this label down, so that the
13193 parser does not discard the lookahead token if the user code
13194 invokes YYERROR. This change is required for POSIX conformance.
13196 * lib/error.c: Sync with gnulib.
13198 2002-11-22 Paul Eggert <eggert@twinsun.com>
13200 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
13201 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
13202 * lib/xmalloc.c: Likewise.
13204 2002-11-20 Paul Eggert <eggert@twinsun.com>
13206 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
13208 2002-11-20 Paul Eggert <eggert@twinsun.com>
13210 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
13211 should use `if (! x) abort ();' rather than `assert (x);', and
13212 anyway it's one less thing to worry about configuring.
13214 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
13215 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
13216 and replace all instances of assert with abort.
13217 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
13218 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
13220 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
13221 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
13222 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
13223 hash_find_entry, hash_rehash, hash_insert): Likewise.
13224 * src/conflicts.c (resolve_sr_conflict): Likewise.
13225 * src/lalr.c (set_goto_map, map_goto): Likewise.
13226 * src/nullable.c (nullable_compute): Likewise.
13227 * src/output.c (prepare_rules, token_definitions_output): Likewise.
13228 * src/reader.c (packgram, reader): Likewise.
13229 * src/state.c (state_new, state_free, state_transitions_set,
13230 state_reduction_find): Likewise.
13231 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
13232 symbol_pack): Likewise.
13233 * src/tables.c (conflict_row, pack_vector): Likewise.
13234 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13235 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13236 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
13237 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
13239 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
13240 (ARGMATCH_CONSTRAINT): New macro.
13241 (ARGMATCH_ASSERT): Use it.
13243 * src/system.h (verify): New macro.
13244 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
13245 rather than assert.
13246 * src/tables.c (tables_generate): Likewise.
13248 * src/struniq.c (struniq_assert): Now returns void, and aborts
13249 if the assertion is false.
13250 (struniq_assert_p): Remove.
13251 * src/struniq.h: Likewise.
13253 2002-11-18 Paul Eggert <eggert@twinsun.com>
13255 * data/glr.c (yygetLRActions): Replace `yyindex' with
13256 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
13257 This fixes the regression with Sun ONE Studio 7 cc that I reported in
13258 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
13260 2002-11-18 Akim Demaille <akim@epita.fr>
13262 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
13264 From Tim Van Holder.
13266 2002-11-17 Paul Eggert <eggert@twinsun.com>
13268 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
13269 to "SyntaxError" for consistency with my 2002-11-15 change.
13271 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
13272 not define to {}, since this breaks the common use of `YYDPRINTF
13273 ((...));' if a single statement is desired (e.g. before `else').
13274 Work around GCC warnings by surrounding corresponding calls with
13276 (yyhasResolvedValue): Remove unused function.
13277 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
13279 (yyreportSyntaxError): Renamed from yyreportParseError.
13280 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
13282 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
13283 extern when possible. Remove unused initializations.
13285 2002-11-16 Akim Demaille <akim@epita.fr>
13287 Augment the similarity between GLR and LALR traces.
13289 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
13290 (YY_REDUCE_PRINT): New.
13291 (yyparse): Use them.
13292 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
13294 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
13295 state reached after the reduction/recovery, since...
13296 (yyparse, yyprocessOneStack): Report the state we are entering in.
13298 2002-11-16 Akim Demaille <akim@epita.fr>
13300 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
13301 Add support for --trace=skeleton.
13302 * src/scan-skel.l: %option debug.
13303 Scan strings of non-@ or \n instead of character by character.
13304 (scan_skel): Handle trace_skeleton.
13306 (@output_parser_name@, @output_header_name@): ``Restore'' their
13307 support (used to be M4 macros).
13308 * data/yacc.c: Quote larger chunks, a la glr.c.
13309 * data/lalr1.cc: Likewise.
13310 The header guards are no longer available, so use some other
13311 string than `YYLSP_NEEDED'.
13313 2002-11-16 Akim Demaille <akim@epita.fr>
13315 Make the ``Printers and Destructors'' test more verbose, taking
13316 `yacc.c''s behavior as (possibly wrong) reference.
13318 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
13319 instead of fprint on stdout.
13320 Set and report the last_line of the symbols.
13321 Consistently display values and locations.
13323 2002-11-16 Paul Eggert <eggert@twinsun.com>
13325 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
13327 2002-11-15 Paul Eggert <eggert@twinsun.com>
13329 * tests/actions.at (Actions after errors): New test case.
13331 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
13332 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
13333 tests/action.at, tests/calc.at, tests/conflicts.at,
13334 tests/cxx-type.at, tests/regression.at:
13335 "parse error" -> "syntax error" for POSIX compatibility.
13336 "parsing stack overflow..." -> "parser stack overflow" so
13337 that code matches Bison documentation.
13339 2002-11-15 Akim Demaille <akim@epita.fr>
13341 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
13342 take two BRACED_CODE, not two string_content.
13343 Free the scanner's obstack when we are done.
13344 (code_content): New.
13345 * tests/calc.at: Adjust.
13346 * doc/bison.texinfo: Adjust.
13347 Also, make sure to include the `,' for these declarations.
13349 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
13351 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
13352 definition; avoids potential autoreconf problems.
13354 2002-11-15 Akim Demaille <akim@epita.fr>
13356 Always check the value returned by yyparse.
13358 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
13359 returned by yyparse.
13360 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
13362 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
13363 returned by yyparse.
13365 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13367 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
13370 2002-11-14 Paul Eggert <eggert@twinsun.com>
13372 * src/output.c (output_skeleton): Call xfopen instead of
13373 duplicating xfopen's body.
13375 Fix bugs reported by Nelson H. F. Beebe in
13376 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
13378 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
13379 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
13380 Group compiler. Instead, use "$CC -E bar.c". Include the .h
13381 file twice in the grammar, as an extra check.
13383 * tests/input.at (Torturing the Scanner): Surround the
13384 backslash-newline tests with "#if 0", to make it less likely that
13385 we'll run into compiler bugs. Bring back solitary \ inside
13386 comment, but add a closing comment to work around HP C bug. Don't
13387 test backslash-newline in C character constant.
13389 2002-11-14 Akim Demaille <akim@epita.fr>
13391 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
13392 status of the compiler.
13393 Calling `exit 1' is no longer needed.
13394 Reported by Nelson H. F. Beebe.
13396 2002-11-14 Akim Demaille <akim@epita.fr>
13398 * tests/atlocal.in (CPPFLAGS): We have config.h.
13399 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
13401 * tests/actions.at, tests/calc.at, tests/conflicts.at,
13402 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
13403 * tests/regression.at, tests/torture.at: Use them for all the
13404 grammars that are to be compiled.
13405 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
13406 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
13407 * doc/bison.texinfo (GLR Parsers): Document `inline'.
13409 2002-11-14 Akim Demaille <akim@epita.fr>
13411 * doc/bison.texinfo: Various formatting changes (alignments in
13412 samples, additional @group/@end group, GCS in samples.
13413 Use @deffn instead of simple @table to define the directives,
13414 macros, variables etc.
13416 2002-11-13 Paul Eggert <eggert@twinsun.com>
13418 Fix some bugs reported by Albert Chin-A-Young in
13419 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
13421 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
13422 -o c"; the HP C compiler chatters during compilation.
13423 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
13424 * tests/headers.at (export YYLTYPE): Likewise.
13426 * tests/input.at (Torturing the Scanner): Remove lines containing
13427 solitary backslashes, as they tickle a bug in the HP C compiler.
13429 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
13430 comments, since they're not portable. Use GNU coding style.
13432 2002-11-13 Akim Demaille <akim@epita.fr>
13434 * data/yacc.c: Leave bigger chunks of quoted text.
13435 (YYDSYMPRINTF): New.
13436 Use it to report symbol activities.
13437 * data/glr.c (YYDSYMPRINTF): New.
13440 2002-11-12 Paul Eggert <eggert@twinsun.com>
13444 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
13445 (yyglrReduce): Return yyok, not 0.
13446 This should avoid the enumerated-type warnings reported
13447 by Nelson H. F. Beebe in
13448 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
13450 * lib/bbitset.h (BITSET_INLINE): Remove.
13451 * lib/bitset.h [! BITSET_INLINE]: Remove.
13452 (bitset_set, bitset_reset, bitset_test): Rename local vars
13453 to avoid shadowing warnings by GCC.
13455 * data/glr.c (inline): Remove #define. It's the user's
13456 responsibility to #define it away, just like 'const'.
13457 This fixes one of the bugs reported by Nelson H. F. Beebe in
13458 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
13460 * Makefile.maint (po-check): Scan .l and .y files instead of the
13461 .c and the .h files that they generate. This fixes the bug
13462 reported by Tim Van Holder in:
13463 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
13464 Look for N_ as well as for _. Try to avoid matching #define for
13466 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
13467 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
13468 * src/scan-gram.l: Revamp regular expressions so that " and '
13469 do not confuse xgettext.
13471 * src/struniq.h (struniq_new): Do not declare the return type
13472 to be 'const'; this violates the C standard.
13473 * src/struniq.c (struniq_new): Likewise.
13475 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
13477 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
13478 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
13481 2002-11-12 Akim Demaille <akim@epita.fr>
13483 * Makefile.maint: Sync with Autoconf:
13484 (local_updates): New.
13486 2002-11-12 Akim Demaille <akim@epita.fr>
13488 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
13490 2002-11-12 Akim Demaille <akim@epita.fr>
13492 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
13495 2002-11-12 Akim Demaille <akim@epita.fr>
13497 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
13500 2002-11-12 Akim Demaille <akim@epita.fr>
13502 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
13503 Use it to test the GLR parser.
13505 2002-11-12 Akim Demaille <akim@epita.fr>
13507 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
13509 * data/glr.c (yystos): New.
13510 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
13511 (YYDSYMPRINT): New.
13512 (yyval): Don't define it, it is handled via M4.
13513 (yyrecoverParseError): Free verbosely the discarded symbols.
13514 * data/yacc.c (yysymprint): Remove, rather...
13515 (b4_yysymprint_generate): invoke.
13516 * data/c.m4 (b4_yysymprint_generate): New.
13517 Accept pointers as arguments, as opposed to the version from
13519 (b4_yydestruct_generate): Likewise.
13520 * tests/cations.at (Printers and Destructors): Use Bison directives
13521 instead of CPP macros.
13522 Don't rely on internal details.
13524 2002-11-12 Akim Demaille <akim@epita.fr>
13526 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
13527 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
13528 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
13529 it against YYEMPTY and so forth), work on yytoken (i.e., set
13530 it to YYEMPTY etc.).
13531 (yydestruct): Replace with a b4_yydestruct_generate invocation.
13532 (b4_symbol_actions): Remove.
13533 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
13534 for 0, end-of-input.
13536 2002-11-12 Akim Demaille <akim@epita.fr>
13538 * doc/bison.texinfo (Destructor Decl): New.
13540 2002-11-12 Akim Demaille <akim@epita.fr>
13542 * src/tables.c (tables_generate): Use free for pointers that
13543 cannot be NULL, not XFREE.
13544 (pack_vector): Use assert, not fatal, for bound violations.
13545 * src/state.c (state_new): Likewise.
13546 * src/reader.c (reader): Likewise.
13547 * src/lalr.c (set_goto_map): Likewise.
13548 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
13551 2002-11-12 Akim Demaille <akim@epita.fr>
13553 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
13555 * src/scan-gram.l (last_string): Is global to the file, not to
13557 * src/parse-gram.y (input): Don't append the epilogue here,
13558 (epilogue.opt): do it here, and free the scanner's obstack.
13559 * src/reader.c (epilogue_set): Rename as...
13560 (epilogue_augment): this.
13561 * data/c.m4 (b4_epilogue): Defaults to empty.
13563 2002-11-12 Akim Demaille <akim@epita.fr>
13565 * src/getargs.c (long_options): Remove duplicates.
13566 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
13568 * doc/bison.rnh: Remove.
13569 * doc/bison.texinfo (VMS Invocation): Remove.
13571 2002-11-12 Akim Demaille <akim@epita.fr>
13573 * src/struniq.h, src/struniq.c (struniq_t): Is const.
13574 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
13576 Use struniq for symbols.
13578 * src/symtab.h (symbol_t): The tag member is a struniq.
13579 (symbol_type_set): Adjust.
13580 * src/symtab.c (symbol_new): Takes a struniq.
13581 (symbol_free): Don't free the tag member.
13582 (hash_compare_symbol_t, hash_symbol_t): Rename as...
13583 (hash_compare_symbol, hash_symbol): these.
13584 Use the fact that tags as struniqs.
13585 (symbol_get): Use struniq_new.
13586 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
13588 * src/reader.h (merger_list, grammar_currentmerge_set): The name
13589 and type members are struniqs.
13590 * src/reader.c (get_merge_function)
13591 (grammar_current_rule_merge_set): Adjust.
13592 (TYPE, current_type): Are struniq.
13594 Use struniq for file names.
13596 * src/files.h, src/files.c (infile): Split into...
13597 (grammar_file, current_file): these.
13598 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
13599 * src/reduce.c (reduce_print): Likewise.
13600 * src/getargs.c (getargs): Likewise.
13601 * src/complain.h, src/complain.c: Likewise.
13602 * src/main.c (main): Call struniqs_new early enough to use it for
13604 Don't free the input file name.
13606 2002-11-12 Akim Demaille <akim@epita.fr>
13608 * src/symtab.c (symbol_free): Remove dead deactivated code:
13609 type_name are properly removed.
13610 Don't use XFREE to free items that cannot be NULL.
13611 * src/struniq.h, src/struniq.c: New.
13612 * src/main.c (main): Initialize/free struniqs.
13613 * src/parse-gram.y (%union): Add astruniq member.
13615 * src/scan-gram.l (<{tag}>): Return a struniq.
13616 Free the obstack bit that used to store it.
13617 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
13619 2002-11-11 Paul Eggert <eggert@twinsun.com>
13621 Revamp to fix many (but not all) of the C- and M4-related quoting
13622 problems. Among other things, this fixes the Bison bug reported
13623 by Jan Hubicka when processing the Bash grammar; see:
13624 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
13626 Use new @ escapes consistently. Represent brackets with @{ and @}
13627 rather than @<:@ and @:>@, since this works a bit better with dumb
13628 editors like vi. Represent @ with @@, since @ is now consistently
13629 an escape. Use @oline@ and @ofile@ rather than __oline__ and
13630 __ofile__, to avoid unexpected expansions. Similarly, use @output
13631 rather than #output.
13633 * data/c.m4 (b4_copyright): Omit file name from comment, since
13634 the file name could contain "*/".
13635 (b4_synclines_flag): Don't quote the 2nd argument; it should already
13636 be quoted. All uses changed.
13638 * data/glr.c: Use new @ escapes consistently.
13639 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
13640 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
13641 Remove, since they couldn't handle arbitrary characters in file
13643 * data/lalr1.cc: Likewise.
13644 * data/yacc.c: Likewise.
13646 * src/files.c (output_infix): Remove; all uses removed.
13647 * src/files.h: Likewise.
13649 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
13650 mishandled funny characters in file names, and anyway it isn't
13652 * data/yacc.c: Likewise.
13653 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
13655 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
13656 * data/yacc.c: Likewise.
13658 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
13660 (muscle_init): Quote filename as a C string.
13661 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
13662 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
13663 * src/output.c (escaped_file_name_output): New function.
13664 (prepare_symbols): Quote tokens for M4.
13665 (prepare): Don't insert output_infix, output_prefix,
13666 output_parser_name, output_header_name; this is now down by scan-skel.
13667 Insert skeleton as a C string.
13669 * src/output.c (user_actions_output, symbol_destructors_output,
13670 symbol_printers_output): Quote filenames for C and M4.
13671 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13673 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
13674 escapes other than \\ and \'; this simplifies the code.
13675 (<SC_STRING>): Likewise, for \\ and \".
13676 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
13677 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
13678 Use new escapes @{ and @} for [ and ].
13680 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
13681 them with auto vars.
13682 Switch to new escape scheme, where @ is the escape character uniformly.
13683 Abort if a stray escape character is found. Avoid unbounded input
13684 buffer when parsing non-escaped text.
13686 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
13687 __oline__, #output, $@, and @{ do not have unintended meanings.
13689 2002-11-09 Paul Eggert <eggert@twinsun.com>
13691 Fix the test failure due to GCC warnings described in
13692 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
13693 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
13694 evaluate to 0 if it's impossible for NINF to be in the respective
13696 (yygetLRActions, yyrecoverParseError): Use them.
13698 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
13699 counted in the token inserted at end of file. Now takes
13700 location_t *, not location_t, so that the location can be
13701 adjusted. All uses changed.
13703 * tests/regression.at (Invalid inputs): Adjust wording in
13704 diagnostic to match the new behavior.
13706 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
13707 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
13708 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
13709 abort ();'. This reduces the runtime of the "Many lookaheads"
13710 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
13713 2002-11-07 Paul Eggert <eggert@twinsun.com>
13715 * src/parse-gram.y (CHARACTER): Remove unused token.
13718 * src/scan-gram.l: Remove stack option. We no longer use the
13719 stack, since the stack was never deeper than 1; instead, use the
13720 new auto var c_context to record the stacked value.
13722 Remove nounput option. At an unexpected end of file, we now unput
13723 the minimal input necessary to end cleanly; this simplifies the
13726 Avoid unbounded token sizes where this is easy.
13728 (unexpected_end_of_file): New function.
13729 Use it to systematize the error message on unexpected EOF.
13730 (last-string): Now auto, not static.
13731 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
13732 (scanner_last_string_free): Remove; not used.
13733 (percent_percent_count): Move decl to just before use.
13734 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
13735 not the (never otherwised-used) CHARACTER.
13737 2002-11-07 Akim Demaille <akim@epita.fr>
13739 Let yyerror always receive the msg as last argument, so that
13740 yyerror can be variadic.
13742 * data/yacc.c (b4_yyerror_args): New.
13743 Use it when calling yyerror.
13744 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
13745 Use it when calling yyerror.
13746 * doc/bison.texinfo (Error Reporting): Adjust.
13747 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
13748 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
13750 2002-11-06 Akim Demaille <akim@epita.fr>
13752 #line should have quoted strings.
13753 Ideally, this should be done by m4_quotearg.
13755 * src/scan-skel.l: Include quotearg.h.
13757 * src/output.c (symbol_printers_output)
13758 (symbol_destructors_output): Quote the file name.
13760 2002-11-06 Akim Demaille <akim@epita.fr>
13762 * tests/regression.at (Invalid inputs): Adjust to the recent
13765 2002-11-06 Akim Demaille <akim@epita.fr>
13767 Restore --no-lines.
13768 Reported by Jim Kent.
13770 * data/c.m4 (b4_syncline): New.
13771 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
13772 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
13773 * src/output.c (user_actions_output): Likewise.
13774 (prepare): Define 'b4_synclines_flag'.
13775 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
13777 2002-11-06 Akim Demaille <akim@epita.fr>
13779 * src/main.c (main): Free `infile'.
13780 * src/scan-gram.l (handle_syncline): New.
13782 * src/output.c (user_actions_output, symbol_destructors_output)
13783 (symbol_printers_output): Use the location's file name, not
13785 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13787 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13789 * src/tables.c (matching_state): Don't allow states to match if
13790 either has GLR conflict entries.
13792 2002-11-05 Paul Eggert <eggert@twinsun.com>
13794 * src/scan-gram.l: Use more accurate diagnostics, e.g.
13795 "integer out of range" rather than "invalid value".
13796 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
13799 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
13800 Also, remove one static variable in the scanner.
13802 * src/scan-gram.l (braces_level): Now auto, not static.
13803 Initialize to zero if the compiler is being picky.
13804 (INITIAL): Clear braces_level instead of incrementing it.
13805 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
13806 as POSIX 1003.1-2001 requires.
13807 * src/system.h (IF_LINT): New macro, taken from coreutils.
13808 * configure.ac: Define "lint" if --enable-gcc-warnings.
13810 2002-11-05 Akim Demaille <akim@epita.fr>
13812 * src/scan-gram.l: When it starts with `%', complain about the
13813 whole directive, not just that `invalid character: %'.
13815 2002-11-04 Akim Demaille <akim@epita.fr>
13817 * Makefile.maint: Update from Autoconf.
13818 (update, cvs-update, po-update, do-po-update): New.
13820 2002-11-04 Akim Demaille <akim@epita.fr>
13822 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
13824 Have yyerror `use' its arguments.
13825 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
13826 returns true when location & yacc & pure & parse-param.
13827 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
13829 2002-11-04 Akim Demaille <akim@epita.fr>
13831 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
13833 * src/scan-gram.l: Use [\'] instead of ['] to pacify
13836 Use quote, not quote_n since LOCATION_PRINT no longer uses the
13839 2002-11-03 Paul Eggert <eggert@twinsun.com>
13841 * src/reader.c (get_merge_function, grammar_current_rule_check):
13842 Use consistent diagnostics for reporting type name clashes.
13843 Quote the types with <>, for consistency with Yacc.
13844 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
13846 2002-11-03 Akim Demaille <akim@epita.fr>
13848 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
13850 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
13851 (b4_parse_param): Remove.
13852 Use b4_identification.
13853 Propagate b4_pure_args where needed to pass them to yyerror.
13854 * data/glr.m4 (b4_parse_param): Remove.
13855 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
13856 (b4_lpure_formals): New.
13857 Use b4_identification.
13858 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
13859 b4_user_formals and b4_user_args.
13860 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
13861 (yyreportAmbiguity): When using a pure parser, also need
13862 the location, and the parse-params.
13864 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
13865 When using a pure parser, also need the parse-params.
13867 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
13868 (%pure-parser + %parse-param) LALR and GLR parsers.
13869 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
13870 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
13871 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
13872 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
13873 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
13874 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
13875 * doc/bison.texinfo: Untabify the whole file.
13876 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
13877 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
13878 (Error Reporting): Adjust to these new directives.
13879 Document %error-verbose, deprecate YYERROR_VERBOSE.
13881 2002-11-03 Akim Demaille <akim@epita.fr>
13883 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
13884 AT_CHECK_CALC_GLR invocations to use % directives, instead of
13885 command line options.
13886 * tests/cxx-type.at: Formatting changes.
13888 2002-11-03 Paul Eggert <eggert@twinsun.com>
13890 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
13891 to count columns correctly, and to check for invalid inputs.
13893 Use mbsnwidth to count columns correctly. Account for tabs, too.
13894 Include mbswidth.h.
13895 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
13896 (extend_location): New function.
13897 (YY_LINES): Remove.
13899 Handle CRLF in C code rather than in Lex code.
13900 (YY_INPUT): New macro.
13901 (no_cr_read): New function.
13903 Scan UCNs, even though we don't fully handle them yet.
13904 (convert_ucn_to_byte): New function.
13906 Handle backslash-newline correctly in C code.
13907 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
13908 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
13910 (tag, splice): New EREs. Do not allow NUL or newline in tags.
13911 Use {splice} wherever C allows backslash-newline.
13912 YY_STEP after space, newline, vertical-tab.
13913 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
13915 (letter, id): Don't assume ASCII; e.g., spell out a-z.
13917 ({int}, handle_action_dollar, handle_action_at): Check for integer
13920 (YY_STEP): Omit trailing semicolon, so that it's more like C.
13922 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
13923 as well as \000. Check for UCHAR_MAX, not 255.
13924 Allow \x with an arbitrary positive number of digits, as in C.
13925 Check for overflow here.
13926 Allow \? and UCNs, for compatibility with C.
13928 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
13929 with quote slot used by complain_at.
13931 * tests/input.at: Add tests for backslash-newline, m4 quotes
13932 in symbols, long literals, and funny escapes in strings.
13934 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
13935 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
13936 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
13937 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
13938 * m4/mbswidth.m4: New file, from GNU coreutils.
13940 * doc/bison.texinfo (Grammar Outline): Document // comments.
13941 (Symbols): Document that trigraphs have no special meaning in Bison,
13942 nor is backslash-newline allowed.
13943 (Actions): Document that trigraphs have no special meaning.
13945 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
13948 2002-11-02 Paul Eggert <eggert@twinsun.com>
13950 * src/reader.c: Don't include quote.h; not needed.
13951 (get_merge_function): Reword warning to be consistent with
13952 type clash diagnostic in grammar_current_rule_check.
13954 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
13955 bug in trigraph handling.
13957 * src/output.c (prepare_symbols): When printing token names,
13958 escape "[" as "@<:@" and likewise for "]".
13960 * src/system.h (errno): Remove declaration, as we are now
13961 assuming C89 or better, and C89 guarantees errno.
13963 2002-10-30 Paul Eggert <eggert@twinsun.com>
13965 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
13966 Check for close failures.
13967 * src/files.h (xfclose): Return void, not int, since it always
13969 * src/files.c (xfclose): Likewise. Report I/O error if ferror
13971 * src/output.c (output_skeleton): Use xfclose rather than fclose
13972 and ferror. xfclose now checks ferror.
13974 * data/glr.c (YYLEFTMOST_STATE): Remove.
13975 (yyreportTree): Use a stack-based leftmost state. This avoids
13976 our continuing battles with bogus warnings about initializers.
13978 2002-10-30 Akim Demaille <akim@epita.fr>
13980 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
13983 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13985 * tests/glr-regr1.at: New test for reported regressions.
13986 * tests/testsuite.at: Add glr-regr1.at test.
13987 * tests/Makefile.am: Add glr-regr1.at test.
13989 2002-10-24 Paul Eggert <eggert@twinsun.com>
13993 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
13994 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
13995 we use malloc. Don't assume 'A' through 'Z' are contiguous.
13996 Don't assume strdup exists; POSIX says its an XSI extension.
13997 Check for buffer overflow on input.
13999 2002-10-24 Akim Demaille <akim@epita.fr>
14001 * src/output.c (output_skeleton): Don't disable M4sugar comments
14002 too soon: it results in comments being expanded.
14003 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
14006 2002-10-24 Akim Demaille <akim@epita.fr>
14008 * data/yacc.c (m4_int_type): New.
14009 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
14010 char' as only yacc.c wants K&R portability.
14011 * data/glr.c (yysigned_char): Remove.
14012 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
14013 Reported by Quoc Peyrot.
14015 2002-10-23 Paul Eggert <eggert@twinsun.com>
14017 * src/main.c (main): With --trace=time, report times even if a
14018 non-fatal error occurs. Formerly, the times were reported in some
14019 such cases but not in others.
14020 * src/reader.c (reader): Just return if a complaint has been issued,
14021 instead of exiting, so that 'main' can report times.
14023 2002-10-22 Akim Demaille <akim@epita.fr>
14025 * src/system.h: Include sys/types.
14026 Reported by Bert Deknuydt.
14028 2002-10-23 Paul Eggert <eggert@twinsun.com>
14030 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
14031 Suggested by Art Haas.
14033 2002-10-22 Paul Eggert <eggert@twinsun.com>
14035 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
14036 decl; not needed any more.
14037 * src/main.c (main): Use return to exit, undoing yesterday's change.
14038 The last OS that we could find where this wouldn't work is
14039 SunOS 3.5, and that's too old to worry about now.
14041 * data/glr.c (struct yyltype): Define members even when not
14042 doing locations. This is more consistent with yacc.c, and it
14043 works around the following bug reports:
14044 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
14045 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
14047 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
14048 @acronym consistently. Standardize on "Yacc" instead of "YACC",
14049 "Algol" instead of "ALGOL". Give a bit more history about BNF.
14051 2002-10-22 Akim Demaille <akim@epita.fr>
14053 * data/README: New.
14055 2002-10-21 Paul Eggert <eggert@twinsun.com>
14057 Be consistent about 'bool'; the old code used an enum in one
14058 module and an int in another, and this violates the C standard.
14059 * m4/stdbool.m4: New file, from coreutils 4.5.3.
14060 * configure.ac (AC_HEADER_STDBOOL): Add.
14061 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
14062 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
14063 * src/symtab.c (hash_compare_symbol_t): Likewise.
14064 * src/system.h (bool, false, true): Use a definition consistent
14065 with ../lib/hash.c. All uses changed.
14067 * src/complain.c (warning_issued): Renamed from warn_message_count,
14068 so that we needn't worry about integer overflow (!).
14069 Now of type bool. All uses changed.
14070 (complaint_issued): Renamed from complain_message_count; likewise.
14072 * src/main.c (main): Use exit to exit with failure.
14074 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
14075 rather than 1 and 0.
14076 * src/main.c (main): Likewise.
14077 * src/getargs.c (getargs): Likewise.
14078 * src/reader.c (reader): Likewise.
14080 * src/getarg.c (getargs): Remove duplicate code for
14081 "Try `bison --help'".
14083 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
14084 What was that "2" for?
14086 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
14087 * src/getargs.c (usage): Likewise.
14089 * src/getargs.c (getargs): When there are too few operands, report
14090 the last one. When there are too many, report the first extra
14091 one. This is how diffutils does it.
14093 2002-10-20 Paul Eggert <eggert@twinsun.com>
14095 Remove K&R vestiges.
14096 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
14097 * src/complain.c (VA_START): Remove. Assume prototypes.
14098 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
14099 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
14100 fatal): Assume prototypes.
14101 * src/complain.h: Assume prototypes.
14102 * src/system.h (PARAMS): Remove.
14103 Include <limits.h> unconditionally, since it's guaranteeed even
14104 for a freestanding C89 compiler.
14105 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
14106 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
14108 2002-10-20 Akim Demaille <akim@epita.fr>
14110 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
14111 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
14112 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
14113 (yyresolveStates, yyresolveAction, yyresolveStack)
14114 (yyprocessOneStack): Use them.
14115 (yy_reduce_print): New.
14116 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
14118 2002-10-20 Akim Demaille <akim@epita.fr>
14120 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
14121 arguments and output `void'.
14122 (b4_c_function): Rename as...
14123 (b4_c_function_def): this.
14124 (b4_c_function_decl, b4_c_ansi_function_def)
14125 (b4_c_ansi_function_decl): New.
14126 Change the interpretation of the arguments: before `int, foo', now
14128 * data/yacc.c (yyparse): Prototype and define thanks to these.
14129 Adjust b4_c_function_def uses.
14130 * data/glr.c (yyparse): Likewise, but ANSI only.
14132 2002-10-20 Akim Demaille <akim@epita.fr>
14134 * src/output.c (prepare): Move the definition of `tokens_number',
14135 `nterms_number', `undef_token_number', `user_token_number_max'
14137 (prepare_tokens): Here.
14138 (prepare_tokens): Rename as...
14139 (prepare_symbols): this.
14140 (prepare): Move the definition of `rules_number' to...
14141 (prepare_rules): here.
14142 (prepare): Move the definition of `last', `final_state_number',
14143 `states_number' to...
14144 (prepare_states): here.
14145 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
14147 2002-10-20 Akim Demaille <akim@epita.fr>
14149 * src/tables.h, src/tables.c, src/output.c: Comment changes.
14151 2002-10-20 Akim Demaille <akim@epita.fr>
14153 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
14156 2002-10-20 Akim Demaille <akim@epita.fr>
14158 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
14159 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
14161 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
14163 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
14164 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
14167 2002-10-19 Paul Eggert <eggert@twinsun.com>
14169 Do not create a temporary file, as that involves security and
14170 cleanup headaches. Instead, use a pair of pipes.
14171 Derived from a suggestion by Florian Krohm.
14172 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
14173 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
14174 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
14175 (BISON_PREREQ_SUBPIPE): Add.
14176 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
14177 Add subpipe.h, subpipe.c.
14178 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
14179 * po/POTFILES.in: Add lib/subpipe.c.
14180 * src/output.c: Include "subpipe.h".
14181 (m4_invoke): Remove decl.
14182 (scan_skel): New decl.
14183 (output_skeleton): Use pipe rather than temporary file for m4 input.
14184 Check that m4sugar.m4 is readable, to avoid deadlock.
14185 Check for pipe I/O error.
14186 * src/scan-skel.l (readpipe): Remove decl.
14187 (scan_skel): New function, to be used in place of m4_invoke.
14188 Read from stream rather than file.
14190 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
14191 float, as this generates a warning on Solaris 8 + GCC 3.2 with
14192 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
14193 this generates a more-accurate value anyway.
14195 * lib/timevar.c (timervar_accumulate): Rename locals to
14196 avoid confusion with similarly-named more-global.
14197 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
14199 * src/output.c (prepare): Use xstrdup to convert char const *
14200 to char *, to avoid GCC warning.
14202 2002-10-19 Akim Demaille <akim@epita.fr>
14204 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
14205 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
14206 Use them to have `calc.y' ready for %pure-parser.
14207 * data/yacc.c (YYLEX): Pass a yylex return type to
14208 b4_c_function_call.
14210 2002-10-19 Akim Demaille <akim@epita.fr>
14212 Prototype support of %lex-param and %parse-param.
14214 * src/parse-gram.y: Add the definition of the %lex-param and
14215 %parse-param tokens, plus their rules.
14216 Drop the `_' version of %glr-parser.
14218 * src/scan-gram.l (INITIAL): Scan them.
14219 * src/muscle_tab.c: Comment changes.
14220 (muscle_insert, muscle_find): Rename `pair' as `probe'.
14221 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
14222 (muscle_entry_s): The `value' member is no longer const.
14223 Adjust all dependencies.
14224 * src/muscle_tab.c (muscle_init): Adjust: use
14225 MUSCLE_INSERT_STRING.
14226 Initialize the obstack earlier.
14227 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
14228 (muscle_pair_list_grow): New.
14229 * data/c.m4 (b4_c_function_call, b4_c_args): New.
14230 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
14231 * tests/calc.at: Use %locations, not --locations.
14232 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
14234 2002-10-19 Akim Demaille <akim@epita.fr>
14236 * src/getargs.c (usage): Take status as argument and exit
14238 Report the traditional `Try ... --help' message when status != 0.
14239 (usage, version): Don't take a FILE * as arg, it is pointless.
14240 (getargs): When there is an incorrect number of arguments, make it
14241 an error, and report it GNUlically thanks to `usage ()'.
14243 2002-10-18 Paul Eggert <eggert@twinsun.com>
14245 * data/glr.c (yyreportParseError): Don't assume that sprintf
14246 yields the length of the printed string, as this is not true
14247 on SunOS 4.1.4. Reported by Peter Klein.
14249 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
14250 * tests/conflicts.at (%nonassoc and eof): Likewise.
14251 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
14253 2002-10-17 Akim Demaille <akim@epita.fr>
14255 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
14256 * src/getargs.c (trace_types, trace_args): Adjust.
14257 * src/reader.c (grammar_current_rule_prec_set)
14258 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
14259 Standardize error messages.
14260 And s/@prec/%prec/!
14261 (reader): Use trace_flag to enable scanner/parser debugging,
14262 instead of an adhoc scheme.
14263 * src/scan-gram.l: Remove trailing debugging code.
14265 2002-10-16 Paul Eggert <eggert@twinsun.com>
14267 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
14270 * NEWS: Officially drop support for building Bison with K&R C,
14271 since it didn't work anyway and it's not worth worrying about.
14272 * Makefile.maint (wget_files): Remove ansi2knr.c.
14273 (ansi2knr.c-url_prefix): Remove.
14274 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
14275 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14276 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14278 2002-10-15 Paul Eggert <eggert@twinsun.com>
14280 Stop using the "enum_" trick for K&R-style function definitions;
14281 it confused me, and I was the author! Instead, assume that people
14282 who want to use K&R C compilers (when using these modules in GCC,
14283 perhaps?) will run ansi2knr.
14285 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
14286 All uses of "enum_" changed to "enum ".
14287 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14288 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14290 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
14291 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
14292 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
14293 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
14294 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
14295 abitset_not, abitset_ones, abitset_or, abitset_or_and,
14296 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
14297 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
14298 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
14299 Use function prototypes; this removes the need for declaring
14300 static functions simply to provide their prototypes.
14301 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
14302 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
14303 bitset_count_, bitset_create, bitset_dump, bitset_first,
14304 bitset_free, bitset_init, bitset_last, bitset_next,
14305 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
14306 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
14307 bitset_print, bitset_release_memory, bitset_toggle_,
14308 bitset_type_choose, bitset_type_get, bitset_type_name_get,
14309 debug_bitset): Likewise.
14310 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
14311 * lib/bitset_stats.c (bitset_log_histogram_print,
14312 bitset_percent_histogram_print, bitset_stats_and,
14313 bitset_stats_and_cmp, bitset_stats_and_or,
14314 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
14315 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
14316 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
14317 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
14318 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
14319 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
14320 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
14321 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
14322 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
14323 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
14324 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
14325 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
14326 bitset_stats_zero): Likewise.
14327 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14328 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14329 bitsetv_dump, debug_bitsetv): Likewise.
14330 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
14331 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
14332 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
14333 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
14334 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
14335 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
14336 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
14337 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
14338 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
14339 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
14340 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
14342 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
14343 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
14344 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
14345 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
14346 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
14347 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
14348 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
14349 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
14350 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
14351 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
14352 lbitset_xor_cmp, lbitset_zero): Likewise.
14354 2002-10-14 Akim Demaille <akim@epita.fr>
14358 2002-10-14 Akim Demaille <akim@epita.fr>
14360 * tests/Makefile.am (maintainer-check-posix): New.
14362 2002-10-14 Akim Demaille <akim@epita.fr>
14364 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
14367 2002-10-14 Akim Demaille <akim@epita.fr>
14369 * src/tables.c (table_ninf_remap): base -> tab.
14370 Reported by Matt Rosing.
14372 2002-10-14 Paul Eggert <eggert@twinsun.com>
14374 * tests/action.at, tests/calc.at, tests/conflicts.at,
14375 tests/cxx-type.at, tests/headers.at, tests/input.at,
14376 tests/regression.at, tests/synclines.at, tests/torture.at:
14377 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
14378 so that the tests still work even if POSIXLY_CORRECT is set.
14379 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
14381 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
14382 for portability to K&R hosts. Fix typo: signed char is guaranteed
14383 only to 127, not to 128.
14384 * data/glr.c (yysigned_char): New type.
14385 * data/yacc.c (yysigned_char): Likewise.
14386 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
14388 2002-10-13 Paul Eggert <eggert@twinsun.com>
14390 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
14391 true due to limited range of data type" warning from GCC.
14393 * data/c.m4 (b4_token_defines): Protect against double-inclusion
14394 by wrapping enum yytokentype's definition inside #ifndef
14395 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
14397 2002-10-13 Akim Demaille <akim@epita.fr>
14399 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
14400 Un yy- yyrhs to avoid the name clash with the global YYRHS.
14402 2002-10-13 Akim Demaille <akim@epita.fr>
14404 * Makefile.maint: Update from Autoconf 2.54.
14405 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
14407 2002-10-13 Akim Demaille <akim@epita.fr>
14409 * src/print.c (print_state): Separate the list of solved conflicts
14410 from the other items.
14411 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
14413 2002-10-13 Akim Demaille <akim@epita.fr>
14415 Let nondeterministic skeletons be usable with deterministic
14418 With the patch, GAWK compiled by GCC without -O2 passes its test
14419 suite using a GLR parser driven by LALR tables. It fails with -O2
14420 because `struct stat' gives two different answers on my machine:
14421 88 (definition of an auto var) and later 96 (memset on this var).
14422 Hence the stack is badly corrumpted. The headers inclusion is to
14423 blame: if I move the awk.h inclusion before GLR's system header
14424 inclusion, the two struct stat have the same size.
14426 * src/tables.c (pack_table): Always create conflict_table.
14427 (token_actions): Always create conflict_list.
14428 * data/glr.c (YYFLAG): Remove, unused.
14430 2002-10-13 Akim Demaille <akim@epita.fr>
14432 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
14434 (VALGRIND, GXX): New.
14435 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
14436 * tests/bison.in: Run $PREBISON a pre-command.
14437 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
14438 (maintainer-check-g++): New.
14439 * Makefile.am (maintainer-check): New.
14441 2002-10-13 Akim Demaille <akim@epita.fr>
14443 * data/glr.c: Formatting changes.
14444 Tweak some trace messages to match yacc.c's.
14446 2002-10-13 Akim Demaille <akim@epita.fr>
14448 GLR parsers sometimes raise parse errors instead of performing the
14450 Reported by Charles-Henry de Boysson.
14452 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
14453 check the length of the traces when %glr.
14454 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
14456 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
14458 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
14459 (yyltype): Remove the yy prefix from the member names.
14460 (yytable): Complete its comment.
14461 (yygetLRActions): Map error action number from YYTABLE from
14463 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
14464 (which was a bug: it should have been YYTABEL_NINF, and yet it was
14465 not satisfying as we could compare an YYACTION computed from
14466 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
14467 only value for error actions.
14468 (yyreportParseError): In verbose parse error messages, don't issue
14469 `error' in the list of expected tokens.
14470 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
14471 next action to perform to match glr.c's decoding.
14472 (yytable): Complete its comment.
14474 2002-10-13 Paul Eggert <eggert@twinsun.com>
14476 Fix problem reported by Henrik Grubbstroem in
14477 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
14478 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
14479 because the Bison parser reads the second action before reducing
14481 * src/scan-gram.l (rule_length): New static var.
14482 Use it to keep track of the rule length in the scanner, since
14483 we can't expect the parser to be in lock-step sync with the scanner.
14484 (handle_action_dollar, handle_action_at): Use this var.
14485 * tests/actions.at (Exotic Dollars): Test for the problem.
14487 2002-10-12 Paul Eggert <eggert@twinsun.com>
14489 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
14490 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
14491 Include <sys/time.h> when checking for clock_t and struct tms.
14492 Use same include order as source.
14493 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
14494 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
14496 * lib/timevar.c: Update copyright date and clarify comments.
14497 (get_time) [IN_GCC]: Keep the GCC version for reference.
14499 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
14500 GCC version as of today, then merge Bison's changes.
14501 Change "GCC" to "Bison" in copyright notice. timevar.def's
14502 author is Akim, so change that too.
14504 * src/reader.c (grammar_current_rule_check):
14505 Don't worry about the default action if $$ is untyped.
14506 Prevents bogus warnings reported by Jim Gifford in
14507 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
14509 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
14510 * data/glr.c, data/lalr1.cc, data/yacc.c:
14511 Output token definitions before the first part of user declarations.
14512 Fixes compatibility problem reported by Jim Gifford for kbd in
14513 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
14515 2002-10-11 Paul Eggert <eggert@twinsun.com>
14517 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
14518 (yyparse): here. This undoes some of the 2002-07-25 change.
14519 Compatibility problem reported by Ralf S. Engelschall with
14520 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
14522 2002-10-11 Akim Demaille <akim@epita.fr>
14524 * tests/regression.at Characters Escapes): New.
14525 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
14527 Reported by Jan Nieuwenhuizen.
14529 2002-10-11 Akim Demaille <akim@epita.fr>
14533 2002-10-10 Paul Eggert <eggert@twinsun.com>
14535 Portability fixes for bitsets; this also avoids several GCC
14538 * lib/abitset.c: Include <stddef.h>, for offsetof.
14539 * lib/lbitset.c: Likewise.
14541 * lib/abitset.c (abitset_bytes): Return a size that is aligned
14542 properly for vectors of objects. Do not assume that adding a
14543 header size to a multiple of a word size yields a value that is
14544 properly aligned for the whole union.
14545 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14547 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
14548 unique names for structures.
14549 * lib/ebitset.c (ebitset_bytes): Likewise.
14550 * lib/lbitset.c (lbitset_bytes): Likewise.
14552 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
14553 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
14554 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
14555 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
14556 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
14557 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
14558 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
14559 to improve the type-checking that GCC can do.
14560 * lib/bitset.c (bitset_op4_cmp): Likewise.
14561 * lib/bitset_stats.c (bitset_stats_count,
14562 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
14563 bitset_stats_copy, bitset_stats_disjoint_p,
14564 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
14565 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
14566 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
14567 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
14568 bitset_stats_and_or_cmp, bitset_stats_andn_or,
14569 bitset_stats_andn_or_cmp, bitset_stats_or_and,
14570 bitset_stats_or_and_cmp): Likewise.
14571 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
14572 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
14573 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
14574 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
14576 * lib/abitset.h: Include bitset.h, not bbitset.h.
14577 * lib/ebitset.h: Likewise.
14578 * lib/lbitset.h: Likewise.
14580 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
14581 All instances of parameters of type enum bitset_opts are now of
14582 type enum_bitset_opts, to conform to the C Standard, and similarly
14583 for enum_bitset_type.
14584 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14585 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14587 Do not use "struct bitset_struct" to mean different things in
14588 different modules. Not only is this confusing, it violates
14589 the C Standard, which requires that structure types in different
14590 modules must be compatible if one is to be passed to the other.
14591 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
14592 All instances of "struct bitset_struct *" replaced with "bitset".
14593 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
14594 (union bitset_union, struct abitset_struct, struct ebitset_struct,
14595 struct lbitset_struct, struct bitset_stats_struct): New types.
14596 All uses of struct bitset_struct changed to union bitset_union,
14598 * lib/abitset.c (struct abitset_struct, abitset,
14599 struct bitset_struct): Remove.
14600 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
14601 struct bitset_struct): Remove.
14602 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
14603 bitset_struct): Remove.
14604 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
14607 Do not call a function of type T using a call that assumes the
14608 function is of a different type U. Standard C requires that a
14609 function must be called with a type that is compatible with its
14611 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14613 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14615 * lib/ebitset.c (PFV): Remove.
14616 * lib/lbitset.c (PFV): Likewise.
14617 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
14618 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
14620 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
14621 (ebitset_vtable): Use them.
14622 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
14623 lbitset_xor): New functions.
14624 (lbitset_vtable): Use them.
14626 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
14629 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
14631 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
14632 Use offsetof, for simplicity.
14634 2002-10-06 Paul Eggert <eggert@twinsun.com>
14636 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
14637 the same width as int. This reapplies a hunk of the 2002-08-12 patch
14638 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
14639 which was inadvertently undone by the 2002-09-30 patch.
14640 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
14641 the same width as int.
14643 2002-10-04 Paul Eggert <eggert@twinsun.com>
14647 * configure.ac (AC_INIT), NEWS: Increment version number.
14649 * doc/bison.texinfo: Minor spelling, grammar, and white space
14651 (Symbols): Mention that any negative value returned from yylex
14652 signifies end-of-input. Warn about negative chars. Mention
14653 the portable Standard C character set.
14655 The GNU coding standard says CFLAGS and YFLAGS are reserved
14656 for the installer to set.
14657 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
14658 * src/Makefile.am (AM_CFLAGS): Likewise.
14659 (AM_YFLAGS): Renamed from YFLAGS.
14661 Fix some MAX and MIN problems.
14662 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
14663 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
14664 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
14665 * src/reader.c (reader): Use it.
14667 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
14668 POSIX 1003.1-2001 has removed fgrep.
14670 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14672 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
14673 interpreted as signed.
14674 * lib/ebitset.c (ebitset_list): Fix bug.
14676 2002-10-01 Paul Eggert <eggert@twinsun.com>
14678 More fixes for 64-bit hosts and large bitsets.
14680 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
14681 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
14682 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
14683 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
14684 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
14685 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
14686 bitset_count_): Likewise.
14687 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
14688 bitset_first, bitset_last): Likewise.
14689 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
14690 bitset_stats_list_reverse, bitset_stats_size,
14691 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
14693 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14694 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14695 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14696 bitsetv_reflexive_transitive_closure): Likewise.
14697 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
14698 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
14700 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
14703 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
14704 Use size_t, not unsigned int, to count bytes.
14705 * lib/abitset.h (abitset_bytes): Likewise.
14706 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
14708 * lib/bitset.h (bitset_bytes): Likewise.
14709 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
14710 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
14711 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14712 * lib/ebitset.c (ebitset_bytes): Likewise.
14713 * lib/ebitset.h (ebitset_bytes): Likewise.
14714 * lib/lbitset.c (lbitset_bytes): Likewise.
14715 * lib/lbitset.h (lbitset_bytes): Likewise.
14717 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
14718 abitset_subset_p, abitset_disjoint_p, abitset_and,
14719 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
14720 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
14721 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
14722 abitset_or_and, abitset_or_and_cmp):
14723 Use bitset_windex instead of unsigned int.
14724 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14725 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
14726 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
14727 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
14729 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
14731 * lib/bitset.c (bitset_print):
14732 Use proper printf formats for widths of integer types.
14733 * lib/bitset_stats.c (bitset_percent_histogram_print,
14734 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
14735 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14736 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14737 * lib/lbitset.c (lbitset_bytes): Likewise.
14739 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
14740 BITSET_SIZE_MAX): New macros.
14741 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
14742 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
14743 to BITSET_WINDEX_MAX.
14745 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
14746 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
14747 since we now return the bitset_bindex type (not int).
14749 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
14750 when computing sizes.
14751 * lib/ebitset.c (ebitset_elts_grow): Likewise.
14753 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
14754 and avoid cast to unsigned.
14756 2002-09-30 Akim Demaille <akim@epita.fr>
14758 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
14759 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
14760 Updates from Michael Hayes.
14762 2002-09-30 Art Haas <ahaas@neosoft.com>
14764 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
14766 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
14769 2002-09-27 Akim Demaille <akim@epita.fr>
14773 2002-09-27 Akim Demaille <akim@epita.fr>
14775 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
14776 (Because of AC_LIBSOURCE).
14778 2002-09-27 Akim Demaille <akim@epita.fr>
14780 Playing with Autoscan.
14782 * configure.ac: Remove the old LIBOBJ tweaks.
14783 (AC_REPLACE_FUNCS): Add strrchr and strtol.
14784 * lib/strrchr.c: New.
14785 * lib/strtol.c: New, from the Coreutils 4.5.1.
14787 2002-09-27 Akim Demaille <akim@epita.fr>
14789 Playing with Autoscan.
14791 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
14792 * lib/Makefile.am (libbison_a_SOURCES): No longer include
14793 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
14794 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
14797 2002-09-24 Akim Demaille <akim@epita.fr>
14799 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
14800 (Frequently Asked Questions, Parser Stack Overflow): New.
14802 2002-09-13 Akim Demaille <akim@epita.fr>
14804 Playing with autoscan.
14806 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
14807 * src/files.c (skeleton_find): Remove, unused.
14808 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
14809 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
14811 2002-09-13 Akim Demaille <akim@epita.fr>
14813 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
14814 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
14816 2002-09-13 Akim Demaille <akim@epita.fr>
14818 * configure.ac: Require 2.54.
14819 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
14820 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
14821 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
14822 Remove, provided by Autoconf macros.
14824 2002-09-12 Akim Demaille <akim@epita.fr>
14826 * m4/prereq.m4: Update, from Coreutils 4.5.1.
14828 2002-09-12 Akim Demaille <akim@epita.fr>
14830 * m4/prereq.m4: Update, from Fileutils 4.1.5.
14831 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
14832 Reported by Martin Mokrejs.
14834 2002-09-10 Akim Demaille <akim@epita.fr>
14836 * src/parse-gram.y: Associate a human readable string to each
14838 * tests/regression.at (Invalid inputs): Adjust.
14840 2002-09-10 Gary V. Vaughan <gary@gnu.org>
14842 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
14843 with an Autoconf-2.5x style configure.ac.
14845 2002-09-06 Paul Eggert <eggert@twinsun.com>
14847 * doc/bison.texinfo (Conditions): Make explicit that the GPL
14848 exception applies only to yacc.c. This is a modification of a
14849 patch originally suggested by Akim Demaille.
14851 2002-09-06 Akim Demaille <akim@epita.fr>
14853 * data/c.m4 (b4_copyright): Move the GPL exception comment from
14855 * data/yacc.c: here.
14857 * data/lalr1.cc (struct yyltype): Don't define it, since we use
14859 (b4_ltype): Default to yy::Location from location.hh.
14861 2002-09-04 Jim Meyering <jim@meyering.net>
14863 * data/yacc.c: Guard the declaration of yytoknum also with
14864 `#ifdef YYPRINT', so it is declared only when used.
14866 2002-09-04 Akim Demaille <akim@epita.fr>
14868 * configure.in: Rename as...
14869 * configure.ac: this.
14872 2002-09-04 Akim Demaille <akim@epita.fr>
14874 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
14875 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
14876 translate maintainer only messages.
14878 2002-08-12 Paul Eggert <eggert@twinsun.com>
14882 * Makefile.am (SUBDIRS): Remove intl.
14883 (DISTCLEANFILES): Remove.
14884 * NEWS: Mention that GNU M4 is now required. Clarify what is
14885 meant by "larger grammars". Mention the pt_BR translation.
14886 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
14887 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
14888 Bump version from 0.11.2 to 0.11.5.
14889 (BISON_PREREQ_STAGE): Remove.
14890 (AM_GNU_GETTEXT): Use external gettext.
14891 (AC_OUTPUT): Remove intl/Makefile.
14893 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
14895 * data/glr.c: Include string.h, for strlen.
14896 (yyreportParseError): Use size_t for yysize.
14897 (yy_yypstack): No longer nested inside yypstates, as nested
14898 functions are not portable. Do not assume size_t is the
14900 (yypstates): Do not assume that ptrdiff_t is the same width
14901 as int, and similarly for yyposn and YYINDEX.
14903 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
14905 * lib/Makefile.am (INCLUDES): Do not include from the intl
14906 directory, which has been removed.
14907 * src/Makefile.am (INCLUDES): Likewise.
14909 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
14910 (bitsets_sources, additional_bitsets_sources, timevars_sources):
14913 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
14914 * tests/Makefile.am (EXTRA_DIST): Likewise.
14916 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
14917 Do not assume that bitset_windex is the same width as unsigned.
14919 * lib/abitset.c (abitset_unused_clear): Do not assume that
14920 bitset_word is the same width as int.
14921 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
14922 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
14923 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
14924 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
14925 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
14927 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
14928 portability to one's complement hosts!).
14929 * lib/ebitset.c (ebitset_op1): Likewise.
14930 * lib/lbitset.c (lbitset_op1): Likewise.
14932 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
14933 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
14934 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
14935 Sync with fileutils.
14936 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
14937 lib/gettext.h: Sync with diffutils.
14939 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
14940 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
14942 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
14943 PROTOTYPES to check for prototypes, and "defined __STDC__" to
14946 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
14947 size_t; the old version tried to do this but casted improperly.
14948 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
14949 (bitset_test): Now returns int, not unsigned long.
14951 * lib/bitset_stats.c: Include "gettext.h".
14953 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
14954 name locals "index", as it generates unnecessary warnings on some
14955 hosts that have an "index" function.
14957 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
14958 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
14959 they need translation.
14960 * src/LR0.c (state_list_append, new_itemsets, get_state,
14961 append_states, generate_states): Likewise.
14962 * src/assoc.c (assoc_to_string): Likewise.
14963 * src/closure.c (print_closure, set_firsts, closure): Likewise.
14964 * src/gram.c (grammar_dump): Likewise.
14965 * src/injections.c (injections_compute): Likewise.
14966 * src/lalr.c (lookaheads_print): Likewise.
14967 * src/relation.c (relation_transpose): Likewise.
14968 * src/scan-gram.l: Likewise.
14969 * src/tables.c (table_grow, pack_vector): Likewise.
14971 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
14972 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
14973 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
14974 * m4/mbstate_t.m4: Sync with fileutils.
14975 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
14977 * po/LINGUAS: Add pt_BR.
14978 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
14979 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
14981 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
14983 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
14985 * src/complain.c (strerror_r): Remove decl; not needed.
14986 (strerror): Use same pattern as ../lib/error.c.
14988 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
14990 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
14992 * src/main.c (main): Cast result of bindtextdomain and textdomain
14993 to void, to avoid a GCC warning when --disable-nls is in effect.
14995 * src/scan-gram.l: Use strings rather than escapes when possible,
14996 to minimize the number of warnings from xgettext.
14997 (handle_action_dollar, handle_action_at): Don't use isdigit,
14998 as it mishandles negative chars and it may not work as expected
14999 outside the C locale.
15001 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
15002 this is a GCC extension and is not portable to other compilers.
15004 * src/system.h (alloca): Use same pattern as ../lib/error.c.
15005 Do not include <ctype.h>; no longer needed.
15006 Do not include <malloc.h>; no longer needed (and generates
15007 warnings on OpenBSD 3.0).
15009 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
15012 * tests/regression.at: Do not use 'cc -c input.c -o input';
15013 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
15015 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
15016 exit status as failure, not just exit status 1. Sun C exits
15017 with status 2 sometimes.
15019 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
15020 Use it for the two large tests.
15022 2002-08-02 Akim Demaille <akim@epita.fr>
15024 * src/conflicts.c (conflicts_output): Don't output rules never
15025 reduced here, since anyway that computation doesn't work.
15026 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
15027 (rule_useless_p, rule_never_reduced_p): New.
15028 (grammar_rules_partial_print): Use a filter instead of a range.
15029 Display the title only if needed.
15030 (grammar_rules_print): Adjust.
15031 (grammar_rules_never_reduced_report): New.
15032 * src/tables.c (action_row): Move the computation of rules never
15034 (token_actions): here.
15035 * src/main.c (main): Make the parser before making the report, so
15036 that rules never reduced are computed.
15037 Call grammar_rules_never_reduced_report.
15038 * src/print.c (print_results): Report rules never reduced.
15039 * tests/conflicts.at, tests/reduce.at: Adjust.
15041 2002-08-01 Akim Demaille <akim@epita.fr>
15043 Instead of attaching lookaheads and duplicating the rules being
15044 reduced by a state, attach the lookaheads to the reductions.
15046 * src/state.h (state_t): Remove the `lookaheads',
15047 `lookaheads_rule' member.
15048 (reductions_t): Add a `lookaheads' member.
15049 Use a regular array for the `rules'.
15050 * src/state.c (reductions_new): Initialize the lookaheads member
15052 (state_rule_lookaheads_print): Adjust.
15053 * src/state.h, src/state.c (state_reductions_find): New.
15054 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
15055 (count_rr_conflicts): Adjust.
15056 * src/lalr.c (LArule): Remove.
15057 (add_lookback_edge): Adjust.
15058 (state_lookaheads_count): New.
15059 (states_lookaheads_initialize): Merge into...
15060 (initialize_LA): this.
15061 (lalr_free): Adjust.
15062 * src/main.c (main): Don't free nullable and derives too early: it
15063 is used by --verbose.
15064 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
15066 2002-08-01 Akim Demaille <akim@epita.fr>
15068 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
15070 (set_derives, free_derives): Rename as...
15071 (derives_compute, derives_free): this.
15072 Adjust all dependencies.
15073 * src/nullable.c (set_nullable, free_nullable): Rename as...
15074 (nullable_compute, nullable_free): these.
15075 (rule_list_t): Store rule_t *, not rule_number_t.
15076 * src/state.c (state_rule_lookaheads_print): Directly compare rule
15077 pointers, instead of their numbers.
15078 * src/main.c (main): Call nullable_free, and derives_free earlier,
15079 as they were lo longer used.
15081 2002-08-01 Akim Demaille <akim@epita.fr>
15083 * lib/timevar.c (get_time): Include children time.
15084 * src/lalr.h (LA, LArule): Don't export them: used with the
15086 * src/lalr.c (LA, LArule): Static.
15087 * src/lalr.h, src/lalr.c (lalr_free): New.
15088 * src/main.c (main): Call it.
15089 * src/tables.c (pack_vector): Check whether loc is >= to the
15091 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
15092 (tables_generate): do it, since that's also it which allocates
15094 Don't free LA and LArule, main does.
15096 2002-07-31 Akim Demaille <akim@epita.fr>
15098 Separate parser tables computation and output.
15100 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
15101 (conflict_list, conflict_list_cnt, table, check, table_ninf)
15102 (yydefgoto, yydefact, high): Move to...
15103 * src/tables.h, src/tables.c: here.
15104 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15105 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15106 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
15107 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
15108 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
15109 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
15110 (action_row, save_row, token_actions, save_column, default_goto)
15111 (goto_actions, sort_actions, matching_state, pack_vector)
15112 (table_ninf_remap, pack_table, prepare_actions): Move to...
15113 * src/tables.c: here.
15114 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
15115 * src/output.c (token_actions, output_base, output_conflicts)
15116 (output_check): Merge into...
15117 (prepare_actions): this.
15118 (actions_output): Rename as...
15119 (user_actions_output): this.
15120 * src/main.c (main): Call tables_generate and tables_free.
15122 2002-07-31 Akim Demaille <akim@epita.fr>
15124 Steal GCC's --time-report support.
15126 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
15127 stolen/adjusted from GCC.
15128 * m4/stage.m4: Remove time related checks.
15129 * m4/timevar.m4: New.
15130 * configure.in: Adjust.
15131 * src/system.h: Adjust to using timevar.h.
15132 * src/getargs.h, src/getargs.c: Support trace_time for
15134 * src/main.c (stage): Remove.
15135 (main): Replace `stage' invocations with timevar calls.
15136 * src/output.c: Insert pertinent timevar calls.
15138 2002-07-31 Akim Demaille <akim@epita.fr>
15140 Let --trace have arguments.
15142 * src/getargs.h (enum trace_e): New.
15143 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
15144 (long_options, short_options): --trace/-T takes an optional
15146 Change all the uses of trace_flag to reflect the new flags.
15147 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
15149 Strengthen `stage' portability.
15151 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
15152 * configure.in: Use it.
15153 Don't check for malloc.h and sys/times.h.
15154 * src/system.h: Include them when appropriate.
15155 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
15156 times and struct tms are available.
15158 2002-07-30 Akim Demaille <akim@epita.fr>
15160 In verbose parse error message, don't report `error' as an
15162 * tests/actions.at (Printers and Destructors): Adjust.
15163 * tests/calc.at (Calculator $1): Adjust.
15164 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
15165 error message, do not report the parser accepts the error token in
15168 2002-07-30 Akim Demaille <akim@epita.fr>
15170 Normalize conflict related messages.
15172 * src/complain.h, src/complain.c (warn, complain): New.
15173 * src/conflicts.c (conflicts_print): Use them.
15174 (conflict_report_yacc): New, extracted from...
15175 (conflicts_print): here.
15176 * tests/conflicts.at, tests/existing.at: Adjust.
15178 2002-07-30 Akim Demaille <akim@epita.fr>
15180 Report rules which are never reduced by the parser: those hidden
15183 * src/LR0.c (save_reductions): Don't make the final state too
15184 different: save its reduction (accept) instead of having a state
15185 without any action (no shift or goto, no reduce).
15186 Note: the final state is now a ``regular'' state, i.e., the
15187 parsers now contain `reduce 0' as default reduction.
15188 Nevertheless, since they decide to `accept' when yystate =
15189 final_state, they still will not reduce rule 0.
15190 * src/print.c (print_actions, print_reduction): Adjust.
15191 * src/output.c (action_row): Track reduced rules.
15192 (token_actions): Report rules never reduced.
15193 * tests/conflicts.at, tests/regression.at: Adjust.
15195 2002-07-30 Akim Demaille <akim@epita.fr>
15197 `stage' was accidently included in a previous patch.
15198 Initiate its autoconfiscation.
15200 * configure.in: Look for malloc.h and sys/times.h.
15201 * src/main.c (stage): Adjust.
15202 Report only when trace_flag.
15204 2002-07-29 Akim Demaille <akim@epita.fr>
15206 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
15208 (errs_t): symbol_t*, not symbol_number_t.
15209 (reductions_t): rule_t*, not rule_number_t.
15210 (FOR_EACH_SHIFT): New.
15211 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
15212 * src/print.c, src/print_graph.c: Adjust.
15214 2002-07-29 Akim Demaille <akim@epita.fr>
15216 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
15218 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
15219 (endtoken, accept): these.
15220 * src/reader.c (reader): Set endtoken's default tag to "$end".
15221 Set undeftoken's tag to "$undefined" instead of "$undefined.".
15222 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
15225 2002-07-29 Akim Demaille <akim@epita.fr>
15227 * src/reduce.c (reduce_grammar): When the language is empty,
15228 complain about the start symbol, not the axiom.
15230 * tests/reduce.at (Empty Language): New.
15232 2002-07-26 Akim Demaille <akim@epita.fr>
15234 * src/reader.h, src/reader.c (gram_error): ... can't get
15235 yycontrol without making too strong assumptions on the parser
15237 * src/output.c (prepare_tokens): Use the real 0th value of
15238 token_translations instead of `0'.
15239 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
15241 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
15242 for the time being: %locations ought to provide it to yyerror.
15244 2002-07-25 Akim Demaille <akim@epita.fr>
15246 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
15247 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
15248 * tests/regression.at (Web2c Actions): Adjust.
15250 2002-07-25 Akim Demaille <akim@epita.fr>
15252 Stop storing rules from 1 to nrules + 1.
15254 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
15255 * src/nullable.c, src/output.c, src/print.c, src/reader.c
15256 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
15257 Iterate from 0 to nrules.
15258 Use rule_number_as_item_number and item_number_as_rule_number.
15259 Adjust to `derive' now containing possibly 0.
15260 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
15261 Handle the `- 1' part in rule numbers from/to item numbers.
15262 * src/conflicts.c (log_resolution): Fix the message which reversed
15264 * src/output.c (action_row): Initialize default_rule to -1.
15265 (token_actions): Adjust.
15266 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
15268 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
15270 2002-07-25 Akim Demaille <akim@epita.fr>
15272 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
15273 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
15274 (b4_c_knr_arg_decl): New.
15275 * data/yacc.c: Use it to define yysymprint, yydestruct, and
15276 yyreport_parse_error.
15278 2002-07-25 Akim Demaille <akim@epita.fr>
15280 * data/yacc.c (yyreport_parse_error): New, extracted from...
15282 (yydestruct, yysymprint): Move above yyparse.
15285 2002-07-25 Akim Demaille <akim@epita.fr>
15287 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
15289 (b4_sint_type, b4_uint_type): these.
15290 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
15291 * tests/regression.at (Web2c Actions): Adjust.
15293 2002-07-25 Akim Demaille <akim@epita.fr>
15295 * src/gram.h (TIEM_NUMBER_MAX): New.
15296 (item_number_of_rule_number, rule_number_of_item_number): Rename
15298 (rule_number_as_item_number, item_number_as_rule_number): these.
15299 Adjust dependencies.
15300 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15301 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15302 (symbol_number_to_vector_number): New.
15303 (order): Of vector_number_t* type.
15304 (base_t, BASE_MAX, BASE_MIN): New.
15305 (froms, tos, width, pos, check): Of base_t type.
15306 (action_number_t, ACTION_MIN, ACTION_MAX): New.
15307 (actrow): Of action_number_t type.
15308 (conflrow): Of unsigned int type.
15309 (table_ninf, base_ninf): New.
15310 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
15311 (muscle_insert_int_table, muscle_insert_base_table)
15312 (muscle_insert_rule_number_table): New.
15313 (prepare_tokens): Output `toknum' as int_table.
15314 (action_row): Returns a rule_number_t.
15315 Use ACTION_MIN, not SHRT_MIN.
15316 (token_actions): yydefact is rule_number_t*.
15317 (table_ninf_remap): New.
15318 (pack_table): Use it for `base' and `table'.
15319 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
15321 (YYPACT_NINF, YYTABLE_NINF): these.
15322 (yypact, yytable): Compute their types instead of hard-coded
15324 * tests/regression.at (Web2c Actions): Adjust.
15326 2002-07-19 Akim Demaille <akim@epita.fr>
15328 * src/scan-gram.l (id): Can start with an underscore.
15330 2002-07-16 Akim Demaille <akim@epita.fr>
15332 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
15333 Adjust all former `associativity' dependencies.
15334 * src/symtab.c (symbol_new): Default associativity is `undef', not
15336 (symbol_check_alias_consistence): Adjust.
15338 2002-07-09 Akim Demaille <akim@epita.fr>
15340 * doc/bison.texinfo: Properly set the ``header'' part.
15341 Use @dircategory ``GNU programming tools'' as per Texinfo's
15345 2002-07-09 Akim Demaille <akim@epita.fr>
15347 * lib/quotearg.h: Protect against multiple inclusions.
15348 * src/location.h (location_t): Add a `file' member.
15349 (LOCATION_RESET, LOCATION_PRINT): Adjust.
15350 * src/complain.c (warn_at, complain_at, fatal_at): Drop
15351 `error_one_per_line' support.
15353 2002-07-09 Akim Demaille <akim@epita.fr>
15355 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
15356 * src/reader.c (lineno): Remove.
15357 Adjust all dependencies.
15358 (get_merge_function): Take a location and use complain_at.
15359 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
15360 * tests/regression.at (Invalid inputs, Mixing %token styles):
15363 2002-07-09 Akim Demaille <akim@epita.fr>
15365 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
15366 recovery rule, and forbid extensions when --yacc.
15367 (gram_error): Use complain_at.
15368 * src/reader.c (reader): Exit if there were parse errors.
15370 2002-07-09 Akim Demaille <akim@epita.fr>
15372 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
15373 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
15374 Reported by R Blake <blakers@mac.com>.
15376 2002-07-09 Akim Demaille <akim@epita.fr>
15378 * data/yacc.c: Output the copyright notive in the header.
15380 2002-07-03 Akim Demaille <akim@epita.fr>
15382 * src/output.c (froms, tos): Are state_number_t.
15383 (save_column): sp, sp1, and sp2 are state_number_t.
15384 (prepare): Rename `final' as `final_state_number', `nnts' as
15385 `nterms_number', `nrules' as `rules_number', `nstates' as
15386 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
15388 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
15389 * data/lalr1.cc (nsym_): Remove, unused.
15391 2002-07-03 Akim Demaille <akim@epita.fr>
15393 * src/lalr.h, src/lalr.c (goto_number_t): New.
15394 * src/lalr.c (goto_list_t): New.
15396 * src/nullable.c (rule_list_t): New.
15398 * src/types.h: Remove.
15400 2002-07-03 Akim Demaille <akim@epita.fr>
15402 * src/closure.c (print_fderives): Use rule_rhs_print.
15403 * src/derives.c (print_derives): Use rule_rhs_print.
15404 (rule_list_t): New, replaces `shorts'.
15405 (set_derives): Add comments.
15406 * tests/sets.at (Nullable, Firsts): Adjust.
15408 2002-07-03 Akim Demaille <akim@epita.fr>
15410 * src/output.c (prepare_actions): Free `tally' and `width'.
15411 (prepare_actions): Allocate and free `order'.
15412 * src/symtab.c (symbols_free): Free `symbols'.
15413 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
15414 * src/output.c (m4_invoke): Move to...
15415 * src/scan-skel.l: here.
15416 (<<EOF>>): Close yyout, and free its name.
15418 2002-07-03 Akim Demaille <akim@epita.fr>
15420 Fix some memory leaks, and fix a bug: state 0 was examined twice.
15422 * src/LR0.c (new_state): Merge into...
15423 (state_list_append): this.
15424 (new_states): Merge into...
15425 (generate_states): here.
15426 (set_states): Don't ensure a proper `errs' state member here, do it...
15427 * src/conflicts.c (conflicts_solve): here.
15428 * src/state.h, src/state.c: Comment changes.
15429 (state_t): Rename member `shifts' as `transitions'.
15430 Adjust all dependencies.
15431 (errs_new): For consistency, also take the values as argument.
15432 (errs_dup): Remove.
15433 (state_errs_set): New.
15434 (state_reductions_set, state_transitions_set): Assert that no
15435 previous value was assigned.
15437 (states_free): Use it.
15438 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
15439 temporary storage: use `errs' and `nerrs' as elsewhere.
15440 (set_conflicts): Allocate and free this `errs'.
15442 2002-07-02 Akim Demaille <akim@epita.fr>
15444 * lib/libiberty.h: New.
15445 * lib: Update the bitset implementation from upstream.
15446 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
15447 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
15448 * src/main.c: Adjust bitset stats calls.
15450 2002-07-01 Paul Eggert <eggert@twinsun.com>
15452 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
15453 char, so that negative chars don't collide with $.
15455 2002-06-30 Akim Demaille <akim@epita.fr>
15457 Have the GLR tests be `warning' checked, and fix the warnings.
15459 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
15460 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
15461 (yyremoveDeletes): `yyi' and `yyj' are size_t.
15462 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
15463 (yyaddDeferredAction): static.
15464 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
15465 (yyreportParseError): yyprefix is const.
15466 yytokenp is used only when verbose.
15467 (yy__GNUC__): Replace with __GNUC__.
15468 (yypdumpstack): yyi is size_t.
15469 (yypreference): Un-yy local variables and arguments, to avoid
15470 clashes with `yyr1'. Anyway, we are not in the user name space.
15471 (yytname_size): be an int, as is compared with ints.
15472 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
15474 * tests/cxx-gram.at: Use quotation to protect $1.
15475 Use AT_COMPILE to enable warnings hunts.
15476 Prototype yylex and yyerror.
15478 Include `string.h', not `strings.h'.
15479 Produce and prototype stmtMerge only when used.
15480 yylex takes a location.
15482 2002-06-30 Akim Demaille <akim@epita.fr>
15484 We spend a lot of time in quotearg, in particular when --verbose.
15486 * src/symtab.c (symbol_get): Store a quoted version of the key.
15487 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
15488 Adjust all callers.
15490 2002-06-30 Akim Demaille <akim@epita.fr>
15492 * src/state.h (reductions_t): Rename member `nreds' as num.
15493 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
15494 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
15496 2002-06-30 Akim Demaille <akim@epita.fr>
15498 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
15499 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
15500 (shifts_to): Rename as...
15501 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
15502 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
15503 (TRANSITION_IS_DISABLED, transitions_to): these.
15505 2002-06-30 Akim Demaille <akim@epita.fr>
15507 * src/print.c (print_shifts, print_gotos): Merge into...
15508 (print_transitions): this.
15509 (print_transitions, print_errs, print_reductions): Align the
15510 lookaheads columns.
15511 (print_core, print_transitions, print_errs, print_state,
15512 print_grammar): Output empty lines separator before, not after.
15513 (state_default_rule_compute): Rename as...
15514 (state_default_rule): this.
15515 * tests/conflicts.at (Defaulted Conflicted Reduction),
15516 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
15517 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
15519 2002-06-30 Akim Demaille <akim@epita.fr>
15521 Display items as we display rules.
15523 * src/gram.h, src/gram.c (rule_lhs_print): New.
15524 * src/gram.c (grammar_rules_partial_print): Use it.
15525 * src/print.c (print_core): Likewise.
15526 * tests/conflicts.at (Defaulted Conflicted Reduction),
15527 (Unresolved SR Conflicts): Adjust.
15528 (Unresolved SR Conflicts): Adjust and rename as...
15529 (Resolved SR Conflicts): this, as was meant.
15530 * tests/regression.at (Web2c Report): Adjust.
15532 2002-06-30 Akim Demaille <akim@epita.fr>
15534 * src/print.c (state_default_rule_compute): New, extracted from...
15535 (print_reductions): here.
15536 Pessimize, but clarify the code.
15537 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
15539 2002-06-30 Akim Demaille <akim@epita.fr>
15541 * src/output.c (action_row): Let default_rule be always a rule
15544 2002-06-30 Akim Demaille <akim@epita.fr>
15546 * src/closure.c (print_firsts, print_fderives, closure):
15547 Use BITSET_EXECUTE.
15548 * src/lalr.c (lookaheads_print): Likewise.
15549 * src/state.c (state_rule_lookaheads_print): Likewise.
15550 * src/print_graph.c (print_core): Likewise.
15551 * src/print.c (print_reductions): Likewise.
15552 * src/output.c (action_row): Likewise.
15553 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
15555 2002-06-30 Akim Demaille <akim@epita.fr>
15557 * src/print_graph.c: Use report_flag.
15559 2002-06-30 Akim Demaille <akim@epita.fr>
15561 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
15563 * src/relation.h, src/relation.c (traverse, relation_digraph)
15564 (relation_print, relation_transpose): New.
15566 2002-06-30 Akim Demaille <akim@epita.fr>
15568 * src/state.h, src/state.c (shifts_to): New.
15569 * src/lalr.c (build_relations): Use it.
15571 2002-06-30 Akim Demaille <akim@epita.fr>
15573 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
15574 (item_number_of_rule_number, rule_number_of_item_number): New.
15575 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
15576 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
15577 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
15578 Propagate their use.
15579 Much remains to be done, in particular wrt `shorts' from types.h.
15581 2002-06-30 Akim Demaille <akim@epita.fr>
15583 * src/symtab.c (symbol_new): Initialize the `printer' member.
15585 2002-06-30 Akim Demaille <akim@epita.fr>
15587 * src/LR0.c (save_reductions): Remove, replaced by...
15588 * src/state.h, src/state.c (state_reductions_set): New.
15589 (reductions, errs): Rename as...
15590 (reductions_t, errs_t): these.
15591 Adjust all dependencies.
15593 2002-06-30 Akim Demaille <akim@epita.fr>
15595 * src/LR0.c (state_list_t, state_list_append): New.
15596 (first_state, last_state): Now symbol_list_t.
15597 (this_state): Remove.
15598 (new_itemsets, append_states, save_reductions): Take a state_t as
15600 (set_states, generate_states): Adjust.
15601 (save_shifts): Remove, replaced by...
15602 * src/state.h, src/state.c (state_shifts_set): New.
15603 (shifts): Rename as...
15605 Adjust all dependencies.
15606 * src/state.h (state_t): Remove the `next' member.
15608 2002-06-30 Akim Demaille <akim@epita.fr>
15610 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
15613 2002-06-30 Akim Demaille <akim@epita.fr>
15615 Use hash.h for the state hash table.
15617 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
15618 (allocate_storage): Use state_hash_new.
15619 (free_storage): Use state_hash_free.
15620 (new_state, get_state): Adjust.
15621 * src/lalr.h, src/lalr.c (states): Move to...
15622 * src/states.h (state_t): Remove the `link' member, no longer
15624 * src/states.h, src/states.c: here.
15625 (state_hash_new, state_hash_free, state_hash_lookup)
15626 (state_hash_insert, states_free): New.
15627 * src/states.c (state_table, state_compare, state_hash): New.
15628 * src/output.c (output_actions): Do not free states now, since we
15629 still need to know the final_state number in `prepare', called
15630 afterwards. Do it...
15631 * src/main.c (main): here: call states_free after `output'.
15633 2002-06-30 Akim Demaille <akim@epita.fr>
15635 * src/state.h, src/state.c (state_new): New, extracted from...
15636 * src/LR0.c (new_state): here.
15637 * src/state.h (STATE_ALLOC): Move to...
15638 * src/state.c: here.
15639 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
15640 * src/state.h, src/state.c: here.
15642 2002-06-30 Akim Demaille <akim@epita.fr>
15644 * src/reader.c (gensym): Rename as...
15645 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
15646 (getsym): Rename as...
15647 (symbol_get): this.
15649 2002-06-30 Akim Demaille <akim@epita.fr>
15651 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
15652 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
15653 * src/output.c, src/print.c, src/print_graph.c: Propagate.
15654 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
15656 2002-06-30 Akim Demaille <akim@epita.fr>
15658 Make the test suite pass with warnings checked.
15660 * tests/actions.at (Printers and Destructors): Improve.
15661 Avoid unsigned vs. signed issues.
15662 * tests/calc.at: Don't exercise the scanner here, do it...
15663 * tests/input.at (Torturing the Scanner): here.
15665 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15667 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
15668 reorganize first lines parallel to yacc.c.
15670 2002-06-28 Akim Demaille <akim@epita.fr>
15672 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
15673 (b4_token_enum, b4_token_defines): New, factored from...
15674 * data/lalr1.cc, data/yacc.c, glr.c: here.
15676 2002-06-28 Akim Demaille <akim@epita.fr>
15678 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
15680 * src/output.c (merger_output): static.
15682 2002-06-28 Akim Demaille <akim@epita.fr>
15684 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
15685 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
15687 * src/output.c (save_row): Initialize all the variables to pacify GCC.
15689 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15691 Accumulated changelog for new GLR parsing features.
15693 * src/conflicts.c (count_total_conflicts): Change name to
15694 conflicts_total_count.
15695 * src/conflicts.h: Ditto.
15696 * src/output.c (token_actions): Use the new name.
15697 (output_conflicts): Change conflp => conflict_list_heads, and
15698 confl => conflict_list for better readability.
15699 * data/glr.c: Use the new names.
15700 * NEWS: Add self to GLR announcement.
15702 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
15704 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
15707 * data/bison.glr: Change name to glr.c
15708 * data/glr.c: Renamed from bison.glr.
15709 * data/Makefile.am: Add glr.c
15713 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
15714 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
15716 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15718 * data/bison.glr: Be sure to restore the
15719 current #line when returning to the skeleton contents after having
15720 exposed the input file's #line.
15722 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15724 * data/bison.glr: Bring up to date with changes to bison.simple.
15726 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15728 * data/bison.glr: Correct definitions that use b4_prefix.
15729 Various reformatting.
15730 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
15731 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
15732 yytokenp argument; now part of stack.
15733 (yychar): Define to behave as documented.
15734 (yyclearin): Ditto.
15736 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15738 * src/reader.h: Add declaration for free_merger_functions.
15740 * src/reader.c (merge_functions): New variable.
15741 (get_merge_function): New function.
15742 (free_merger_functions): New function.
15743 (readgram): Check for %prec that is not followed by a symbol.
15744 Handle %dprec and %merge declarations.
15745 (packgram): Initialize dprec and merger fields in rules array.
15747 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
15748 conflict_list_cnt, conflict_list_free): New variables.
15749 (table_grow): Also grow conflict_table.
15750 (prepare_rules): Output dprec and merger tables.
15751 (conflict_row): New function.
15752 (action_row): Output conflict lists for GLR parser. Don't use
15753 default reduction in conflicted states for GLR parser so that there
15754 are spaces for the conflict lists.
15755 (save_row): Also save conflict information.
15756 (token_actions): Allocate conflict list.
15757 (merger_output): New function.
15758 (pack_vector): Pack conflict table, too.
15759 (output_conflicts): New function to output yyconflp and yyconfl.
15760 (output_check): Allocate conflict_tos.
15761 (output_actions): Output conflict tables, also.
15762 (output_skeleton): Output b4_mergers definition.
15763 (prepare): Output b4_max_rhs_length definition.
15764 Use 'bison.glr' as default skeleton for GLR parsers.
15766 * src/gram.c (glr_parser): New flag.
15767 (grammar_free): Call free_merger_functions.
15769 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
15770 all pairs of conflicting reductions, rather than just all tokens
15771 causing conflicts. Needed to size conflict tables.
15772 (conflicts_output): Modify call to count_rr_conflicts for new
15774 (conflicts_print): Ditto.
15775 (count_total_conflicts): New function.
15777 * src/reader.h (merger_list): New type.
15778 (merge_functions): New variable.
15780 * src/lex.h (tok_dprec, tok_merge): New token types.
15782 * src/gram.h (rule_s): Add dprec and merger fields.
15783 (glr_parser): New flag.
15785 * src/conflicts.h (count_total_conflicts): New function.
15787 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
15789 * doc/bison.texinfo (Generalized LR Parsing): New section.
15790 (GLR Parsers): New section.
15791 (Language and Grammar): Mention GLR parsing.
15792 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
15793 Correct typo ("tge" -> "the").
15795 * data/bison.glr: New skeleton for GLR parsing.
15797 * tests/cxx-gram.at: New tests for GLR parsing.
15799 * tests/testsuite.at: Include cxx-gram.at.
15801 * tests/Makefile.am: Add cxx-gram.at.
15803 * src/parse-gram.y:
15805 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
15807 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
15809 2002-06-27 Akim Demaille <akim@epita.fr>
15811 * src/options.h, src/options.c: Remove.
15812 * src/getargs.c (short_options, long_options): New.
15814 2002-06-27 Akim Demaille <akim@epita.fr>
15816 * data/bison.simple, data/bison.c++: Rename as...
15817 * data/yacc.c, data/lalr1.cc: these.
15818 * doc/bison.texinfo (Environment Variables): Remove.
15820 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
15822 * src/getargs.c (report_argmatch): Initialize strtok().
15824 2002-06-20 Akim Demaille <akim@epita.fr>
15826 * data/bison.simple (b4_symbol_actions): New, replaces...
15827 (b4_symbol_destructor, b4_symbol_printer): these.
15828 (yysymprint): Be sure to call YYPRINT only for tokens, and using
15829 user token numbers.
15831 2002-06-20 Akim Demaille <akim@epita.fr>
15833 * data/bison.simple (yydestructor): Rename as...
15834 (yydestruct): this.
15836 2002-06-20 Akim Demaille <akim@epita.fr>
15838 * src/symtab.h, src/symtab.c (symbol_type_set)
15839 (symbol_destructor_set, symbol_precedence_set): The location is
15841 Adjust all callers.
15843 2002-06-20 Akim Demaille <akim@epita.fr>
15845 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
15847 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
15849 * src/symtab.h, src/symtab.c (symbol_class_set)
15850 (symbol_user_token_number_set): Likewise.
15851 Adjust all callers.
15852 Promote complain_at.
15853 * tests/input.at (Type Clashes): Adjust.
15855 2002-06-20 Akim Demaille <akim@epita.fr>
15857 * data/bison.simple (YYLEX): Fix the declaration when
15860 2002-06-20 Akim Demaille <akim@epita.fr>
15862 * data/bison.simple (yysymprint): Don't print the token number,
15864 * tests/actions.at (Destructors): Rename as...
15865 (Printers and Destructors): this.
15866 Also exercise %printer.
15868 2002-06-20 Akim Demaille <akim@epita.fr>
15870 * data/bison.simple (YYDSYMPRINT): New.
15871 Use it to remove many of the #if YYDEBUG/if (yydebug).
15873 2002-06-20 Akim Demaille <akim@epita.fr>
15875 * src/symtab.h, src/symtab.c (symbol_t): printer and
15876 printer_location are new members.
15877 (symbol_printer_set): New.
15878 * src/parse-gram.y (PERCENT_PRINTER): New token.
15879 Handle its associated rule.
15880 * src/scan-gram.l: Adjust.
15881 (handle_destructor_at, handle_destructor_dollar): Rename as...
15882 (handle_symbol_code_at, handle_symbol_code_dollar): these.
15883 * src/output.c (symbol_printers_output): New.
15884 (output_skeleton): Call it.
15885 * data/bison.simple (yysymprint): New. Cannot be named yyprint
15886 since there are already many grammar files with a user `yyprint'.
15887 Replace the calls to YYPRINT to calls to yysymprint.
15888 * tests/calc.at: Adjust.
15889 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
15890 taking advantage of parser very internal details (stack size!).
15892 2002-06-20 Akim Demaille <akim@epita.fr>
15894 * src/scan-gram.l: Complete the scanner with the missing patterns
15896 Use `quote' and `symbol_tag_get' where appropriate.
15898 2002-06-19 Akim Demaille <akim@epita.fr>
15900 * tests/actions.at (Destructors): Augment to test locations.
15901 * data/bison.simple (yydestructor): Pass it the current location
15902 if locations are enabled.
15903 Prototype only when __STDC__ or C++.
15904 Change the argument names to move into the yy name space: there is
15907 2002-06-19 Akim Demaille <akim@epita.fr>
15909 * data/bison.simple (b4_pure_if): New.
15910 Use it instead of #ifdef YYPURE.
15912 2002-06-19 Akim Demaille <akim@epita.fr>
15914 * data/bison.simple (b4_location_if): New.
15915 Use it instead of #ifdef YYLSP_NEEDED.
15917 2002-06-19 Akim Demaille <akim@epita.fr>
15919 Prepare @$ in %destructor, but currently don't bind it in the
15920 skeleton, as %location use is not cleaned up yet.
15922 * src/scan-gram.l (handle_dollar, handle_destructor_at)
15923 (handle_action_at): New.
15924 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
15925 a braced_code_t and a location as additional arguments.
15926 (handle_destructor_dollar): Instead of requiring `b4_eval', just
15927 unquote one when outputting `b4_dollar_dollar'.
15929 * data/bison.simple (b4_eval): Remove.
15930 (b4_symbol_destructor): Adjust.
15931 * tests/input.at (Invalid @n): Adjust.
15933 2002-06-19 Zack Weinberg <zack@codesourcery.com>
15935 * doc/bison.texinfo: Document ability to have multiple
15938 2002-06-18 Akim Demaille <akim@epita.fr>
15940 * src/files.c (compute_base_names): When computing the output file
15941 names from the input file name, strip the directory part.
15943 2002-06-18 Akim Demaille <akim@epita.fr>
15945 * data/bison.simple.new: Comment changes.
15946 Reported by Andreas Schwab.
15948 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
15950 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
15951 there are no `label `yyoverflowlab' defined but not used' warnings
15952 when yyoverflow is defined.
15954 2002-06-18 Akim Demaille <akim@epita.fr>
15956 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
15958 (symbol_destructor_set): Adjust.
15959 * src/output.c (symbol_destructors_output): Output the destructor
15961 Output the symbol name.
15962 * data/bison.simple (b4_symbol_destructor): Adjust.
15964 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
15965 and Akim Demaille <akim@epita.fr>
15967 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
15968 what's left on the stack when the error recovery hits EOF.
15969 * tests/actions.at (Destructors): Complete to exercise this case.
15971 2002-06-17 Akim Demaille <akim@epita.fr>
15973 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
15974 arguments is really empty, not only equal to `[]'.
15975 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
15977 (symbol_destructor_set): New.
15978 * src/output.c (symbol_destructors_output): New.
15979 * src/reader.h (brace_code_t, current_braced_code): New.
15980 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
15981 (handle_dollar): Rename as...
15982 (handle_action_dollar): this.
15983 (handle_destructor_dollar): New.
15984 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
15985 (grammar_declaration): Use it.
15986 * data/bison.simple (yystos): Is always defined.
15987 (yydestructor): New.
15988 * tests/actions.at (Destructors): New.
15989 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
15991 2002-06-17 Akim Demaille <akim@epita.fr>
15993 * src/symlist.h, src/symlist.c (symbol_list_length): New.
15994 * src/scan-gram.l (handle_dollar, handle_at): Compute the
15995 rule_length only when needed.
15996 * src/output.c (actions_output, token_definitions_output): Output
15998 * src/symtab.c: Don't access directly to the symbol tag, use
16000 * src/parse-gram.y: Use symbol_list_free.
16002 2002-06-17 Akim Demaille <akim@epita.fr>
16004 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
16005 (symbol_list_prepend, get_type_name): Move to...
16006 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
16007 (symbol_list_prepend, symbol_list_n_type_name_get): here.
16008 Adjust all callers.
16009 (symbol_list_free): New.
16010 * src/scan-gram.l (handle_dollar): Takes a location.
16011 * tests/input.at (Invalid $n): Adjust.
16013 2002-06-17 Akim Demaille <akim@epita.fr>
16015 * src/reader.h, src/reader.c (symbol_list_new): Export it.
16016 (symbol_list_prepend): New.
16017 * src/parse-gram.y (%union): `list' is a new member.
16018 (symbols.1): New, replaces...
16019 (terms_to_prec.1, nterms_to_type.1): these.
16020 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
16021 Take a location as additional argument.
16022 Adjust all callers.
16024 2002-06-15 Akim Demaille <akim@epita.fr>
16026 * src/parse-gram.y: Move %token in the declaration section so that
16027 we don't depend upon CVS Bison.
16029 2002-06-15 Akim Demaille <akim@epita.fr>
16031 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
16032 * src/print.c (print_core): Use it.
16034 2002-06-15 Akim Demaille <akim@epita.fr>
16036 * src/conflicts.c (log_resolution): Accept the rule involved in
16037 the sr conflicts instead of the lookahead number that points to
16039 (flush_reduce): Accept the current lookahead vector as argument,
16040 instead of the index in LA.
16041 (resolve_sr_conflict): Accept the current number of lookahead
16042 bitset to consider for the STATE, instead of the index in LA.
16043 (set_conflicts): Adjust.
16044 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
16046 2002-06-15 Akim Demaille <akim@epita.fr>
16048 * src/state.h (state_t): Replace the `lookaheadsp' member, a
16049 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
16050 Adjust all dependencies.
16051 * src/lalr.c (initialize_lookaheads): Split into...
16052 (states_lookaheads_count, states_lookaheads_initialize): these.
16055 2002-06-15 Akim Demaille <akim@epita.fr>
16057 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
16059 (grammar_rules_print): here.
16060 * src/reduce.c (reduce_output): Use it.
16061 * tests/reduce.at (Useless Rules, Reduced Automaton)
16062 (Underivable Rules): Adjust.
16064 2002-06-15 Akim Demaille <akim@epita.fr>
16066 Copy BYacc's nice way to report the grammar.
16068 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
16070 Don't print the rules' location, it is confusing and useless.
16071 (rule_print): Use grammar_rhs_print.
16072 * src/print.c (print_grammar): Use grammar_rules_print.
16074 2002-06-15 Akim Demaille <akim@epita.fr>
16076 Complete and rationalize `useless thing' warnings.
16078 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
16079 (symbol_tag_print): New.
16080 Use them everywhere in place of accessing directly the tag member.
16081 * src/gram.h, src/gram.c (rule_print): New.
16082 Use it where a rule used to be printed `by hand'.
16083 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
16084 (reduce_grammar_tables): Report the useless rules.
16085 (reduce_print): Useless things are a warning, not an error.
16087 * tests/reduce.at (Useless Nonterminals, Useless Rules):
16088 (Reduced Automaton, Underivable Rules): Adjust.
16089 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
16090 * tests/conflicts.at (Unresolved SR Conflicts)
16091 (Solved SR Conflicts): Adjust.
16093 2002-06-15 Akim Demaille <akim@epita.fr>
16095 Let symbols have a location.
16097 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
16099 Adjust all callers.
16100 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
16101 Use location_t, not int.
16102 * src/symtab.c (symbol_check_defined): Take advantage of the
16104 * tests/regression.at (Invalid inputs): Adjust.
16106 2002-06-15 Akim Demaille <akim@epita.fr>
16108 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
16109 (input): Don't try to initialize yylloc here, do it in the
16111 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
16112 * src/gram.h (rule_t): Change line and action_line into location
16113 and action_location, of location_t type.
16114 Adjust all dependencies.
16115 * src/location.h, src/location.c (empty_location): New.
16116 * src/reader.h, src/reader.c (grammar_start_symbol_set)
16117 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
16118 (grammar_current_rule_symbol_append)
16119 (grammar_current_rule_action_append): Expect a location as argument.
16120 * src/reader.c (grammar_midrule_action): Adjust to attach an
16121 action's location as dummy symbol location.
16122 * src/symtab.h, src/symtab.c (startsymbol_location): New.
16123 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
16126 2002-06-14 Akim Demaille <akim@epita.fr>
16128 Grammar declarations may be found in the grammar section.
16130 * src/parse-gram.y (rules_or_grammar_declaration): New.
16131 (declarations): Each declaration may end with a semicolon, not
16133 (grammar_declaration): `"%union"'.
16134 (grammar): Branch to rules_or_grammar_declaration.
16136 2002-06-14 Akim Demaille <akim@epita.fr>
16138 * src/main.c (main): Invoke scanner_free.
16140 2002-06-14 Akim Demaille <akim@epita.fr>
16142 * src/output.c (m4_invoke): Extracted from...
16143 (output_skeleton): here.
16146 2002-06-14 Akim Demaille <akim@epita.fr>
16148 * src/parse-gram.y (directives, directive, gram)
16149 (grammar_directives, precedence_directives, precedence_directive):
16151 (declarations, declaration, grammar, grammar_declaration)
16152 (precedence_declaration, precedence_declarator): these.
16153 (symbol_declaration): New.
16155 2002-06-14 Akim Demaille <akim@epita.fr>
16157 * src/files.c (action_obstack): Remove, unused.
16158 (output_obstack): Remove it, and all its dependencies, as it is no
16160 * src/reader.c (epilogue_set): Build the epilogue in the
16162 * src/output.h, src/output.c (muscle_obstack): Move to...
16163 * src/muscle_tab.h, src/muscle_tab.h: here.
16164 (muscle_init): Initialize muscle_obstack.
16165 (muscle_free): New.
16166 * src/main.c (main): Call it.
16168 2002-06-14 Akim Demaille <akim@epita.fr>
16170 * src/location.h: New, extracted from...
16171 * src/reader.h: here.
16172 * src/Makefile.am (noinst_HEADERS): Merge into
16173 (bison_SOURCES): this.
16175 * src/parse-gram.y: Use location_t instead of Bison's.
16176 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
16177 Use location_t instead of ints.
16179 2002-06-14 Akim Demaille <akim@epita.fr>
16181 * data/bison.simple, data/bison.c++: Be sure to restore the
16182 current #line when returning to the skeleton contents after having
16183 exposed the input file's #line.
16185 2002-06-12 Akim Demaille <akim@epita.fr>
16187 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
16189 * tests/actions.at (Exotic Dollars): New.
16191 2002-06-12 Akim Demaille <akim@epita.fr>
16193 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
16195 * tests/input.at (Torturing the Scanner): New.
16197 2002-06-11 Akim Demaille <akim@epita.fr>
16199 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
16200 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
16201 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
16202 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
16203 * src/reader.c (reader): Use it.
16205 2002-06-11 Akim Demaille <akim@epita.fr>
16207 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
16208 Adjust all callers.
16209 (scanner_last_string_free): New.
16211 2002-06-11 Akim Demaille <akim@epita.fr>
16213 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
16214 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
16215 (last_string, YY_OBS_FREE): New.
16216 Use them when returning an ID.
16218 2002-06-11 Akim Demaille <akim@epita.fr>
16220 Have Bison grammars parsed by a Bison grammar.
16222 * src/reader.c, src/reader.h (prologue_augment): New.
16223 * src/reader.c (copy_definition): Remove.
16225 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
16226 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
16227 (grammar_current_rule_prec_set, grammar_current_rule_check)
16228 (grammar_current_rule_symbol_append)
16229 (grammar_current_rule_action_append): Export.
16230 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
16231 (symbol_list_action_append): Remove.
16232 Hook the routines from reader.
16233 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
16234 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
16236 * src/reader.c (read_declarations): Remove, unused.
16238 * src/parse-gram.y: Handle the epilogue.
16239 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
16240 (grammar_start_symbol_set): this.
16241 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
16242 * src/reader.c (readgram): Remove, unused.
16243 (reader): Adjust to insert eoftoken and axiom where appropriate.
16245 * src/reader.c (copy_dollar): Replace with...
16246 * src/scan-gram.h (handle_dollar): this.
16247 * src/parse-gram.y: Remove `%thong'.
16249 * src/reader.c (copy_at): Replace with...
16250 * src/scan-gram.h (handle_at): this.
16252 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
16255 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
16258 * src/reader.h, src/reader.c (grammar_rule_end): New.
16260 * src/parse.y (current_type, current_class): New.
16261 Implement `%nterm', `%token' support.
16262 Merge `%term' into `%token'.
16263 (string_as_id): New.
16264 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
16267 * src/parse-gram.y: Be sure to handle properly the beginning of
16270 * src/parse-gram.y: Handle %type.
16271 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
16273 * src/parse-gram.y: More directives support.
16274 * src/options.c: No longer handle source directives.
16276 * src/parse-gram.y: Fix %output.
16278 * src/parse-gram.y: Handle %union.
16279 Use the prologue locations.
16280 * src/reader.c (parse_union_decl): Remove.
16282 * src/reader.h, src/reader.c (epilogue_set): New.
16283 * src/parse-gram.y: Use it.
16285 * data/bison.simple, data/bison.c++: b4_stype is now either not
16286 defined, then default to int, or to the contents of %union,
16287 without `union' itself.
16289 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
16291 * src/output.c (actions_output): Don't output braces, as they are
16292 already handled by the scanner.
16294 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
16295 characters to themselves.
16297 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
16298 that the epilogue has a proper #line.
16300 * src/parse-gram.y: Handle precedence/associativity.
16302 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
16304 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
16305 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
16306 at all to define terminals that cannot be emitted.
16308 * src/scan-gram.l: Escape M4 characters.
16310 * src/scan-gram.l: Working properly with escapes in user
16311 strings/characters.
16313 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
16314 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
16316 Use more modest sizes, as for the time being the parser does not
16317 release memory, and therefore the process swallows a huge amount
16320 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
16321 stricter %token grammar.
16323 * src/symtab.h (associativity): Add `undef_assoc'.
16324 (symbol_precedence_set): Do nothing when passed an undef_assoc.
16325 * src/symtab.c (symbol_check_alias_consistence): Adjust.
16327 * tests/regression.at (Invalid %directive): Remove, as it is now
16329 (Invalid inputs): Adjust to the new error messages.
16330 (Token definitions): The new grammar doesn't allow too many
16333 * src/lex.h, src/lex.c: Remove.
16334 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
16335 (copy_character, copy_string2, copy_string, copy_identifier)
16336 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
16337 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
16338 (parse_action): Remove.
16339 * po/POTFILES.in: Adjust.
16341 2002-06-11 Akim Demaille <akim@epita.fr>
16343 * src/reader.c (parse_action): Don't store directly into the
16344 rule's action member: return the action as a string.
16345 Don't require `rule_length' as an argument: compute it.
16346 (grammar_current_rule_symbol_append)
16347 (grammar_current_rule_action_append): New, eved out from
16349 Remove `action_flag', `rulelength', unused now.
16351 2002-06-11 Akim Demaille <akim@epita.fr>
16353 * src/reader.c (grammar_current_rule_prec_set).
16354 (grammar_current_rule_check): New, eved out from...
16356 Remove `xaction', `first_rhs': useless.
16357 * tests/input.at (Type clashes): New.
16358 * tests/existing.at (GNU Cim Grammar): Adjust.
16360 2002-06-11 Akim Demaille <akim@epita.fr>
16362 * src/reader.c (grammar_midrule_action): New, Eved out from
16365 2002-06-11 Akim Demaille <akim@epita.fr>
16367 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
16369 (readgram): Use them as replacement of inlined code, crule and
16372 2002-06-11 Akim Demaille <akim@epita.fr>
16374 * src/reader.c (grammar_end, grammar_symbol_append): New.
16375 (readgram): Use them.
16376 Make the use of `p' as local as possible.
16378 2002-06-10 Akim Demaille <akim@epita.fr>
16380 GCJ's parser requires the tokens to be defined before the prologue.
16382 * data/bison.simple: Output the token definition before the user's
16384 * tests/regression.at (Braces parsing, Duplicate string)
16385 (Mixing %token styles): Check the output from bison.
16386 (Early token definitions): New.
16388 2002-06-10 Akim Demaille <akim@epita.fr>
16390 * src/symtab.c (symbol_user_token_number_set): Don't complain when
16391 assigning twice the same user number to a token, so that we can
16393 * src/lex.c (lex): here.
16394 Also use `symbol_class_set' instead of hand written code.
16395 * src/reader.c (parse_assoc_decl): Likewise.
16397 2002-06-10 Akim Demaille <akim@epita.fr>
16399 * src/symtab.c, src/symtab.c (symbol_class_set)
16400 (symbol_user_token_number_set): New.
16401 * src/reader.c (parse_token_decl): Use them.
16402 Use a switch instead of ifs.
16403 Use a single argument.
16405 2002-06-10 Akim Demaille <akim@epita.fr>
16407 Remove `%thong' support as it is undocumented, unused, duplicates
16408 `%token's job, and creates useless e-mail traffic with people who
16409 want to know what it is, why it is undocumented, unused, and
16410 duplicates `%token's job.
16412 * src/reader.c (parse_thong_decl): Remove.
16413 * src/options.c (option_table): Remove "thong".
16414 * src/lex.h (tok_thong): Remove.
16416 2002-06-10 Akim Demaille <akim@epita.fr>
16418 * src/symtab.c, src/symtab.c (symbol_type_set)
16419 (symbol_precedence_set): New.
16420 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
16421 (value_components_used): Remove, unused.
16423 2002-06-09 Akim Demaille <akim@epita.fr>
16425 Move symbols handling code out of the reader.
16427 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
16428 (axiom): Move to...
16429 * src/symtab.h, src/symtab.c: here.
16431 * src/gram.c (start_symbol): Remove: use startsymbol->number.
16432 * src/reader.c (startval): Rename as...
16433 * src/symtab.h, src/symtab.c (startsymbol): this.
16434 * src/reader.c: Adjust.
16436 * src/reader.c (symbol_check_defined, symbol_make_alias)
16437 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16438 (token_translations_init)
16440 * src/symtab.c: here.
16441 * src/reader.c (packsymbols): Move to...
16442 * src/symtab.h, src/symtab.c (symbols_pack): here.
16443 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
16446 2002-06-03 Akim Demaille <akim@epita.fr>
16448 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
16451 2002-06-03 Akim Demaille <akim@epita.fr>
16453 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
16454 structs with non literals.
16455 * src/scan-skel.l: never-interactive.
16456 * src/conflicts.c (enum conflict_resolution_e): No trailing
16458 * src/getargs.c (usage): Split long literal strings.
16459 Reported by Hans Aberg.
16461 2002-05-28 Akim Demaille <akim@epita.fr>
16463 * data/bison.c++: Use C++ ostreams.
16464 (cdebug_): New member.
16466 2002-05-28 Akim Demaille <akim@epita.fr>
16468 * src/output.c (output_skeleton): Be sure to allocate enough room
16469 for `/' _and_ for `\0' in full_skeleton.
16471 2002-05-28 Akim Demaille <akim@epita.fr>
16473 * data/bison.c++: Catch up with bison.simple:
16474 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16475 and Paul Eggert <eggert@twinsun.com>: `error' handing.
16476 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
16477 and popping traces.
16479 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16481 * src/output.c (output_skeleton): Put an explicit path in front of
16482 the skeleton file name, rather than relying on the -I directory,
16483 to partially alleviate effects of having a skeleton file lying around
16484 in the current directory.
16486 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16488 * src/conflicts.c (log_resolution): Correct typo:
16489 obstack_printf should be obstack_fgrow1.
16491 2002-05-26 Akim Demaille <akim@epita.fr>
16493 * src/state.h (state_t): `solved_conflicts' is a new member.
16494 * src/LR0.c (new_state): Set it to 0.
16495 * src/conflicts.h, src/conflicts.c (print_conflicts)
16496 (free_conflicts, solve_conflicts): Rename as...
16497 (conflicts_print, conflicts_free, conflicts_solve): these.
16499 * src/conflicts.c (enum conflict_resolution_e)
16500 (solved_conflicts_obstack): New, used by...
16501 (log_resolution): this.
16502 Adjust to attach the conflict resolution to each state.
16503 Complete the description with the precedence/associativity
16505 (resolve_sr_conflict): Adjust.
16506 * src/print.c (print_state): Output its solved_conflicts.
16507 * tests/conflicts.at (Unresolved SR Conflicts)
16508 (Solved SR Conflicts): Exercise --report=all.
16510 2002-05-26 Akim Demaille <akim@epita.fr>
16512 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16513 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
16514 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
16515 (token_number_t, item_number_as_token_number)
16516 (token_number_as_item_number, muscle_insert_token_number_table):
16518 (symbol_number_t, item_number_as_symbol_number)
16519 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
16520 these, since it is more appropriate.
16522 2002-05-26 Akim Demaille <akim@epita.fr>
16524 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
16526 * data/bison.simple (yystos) [YYDEBUG]: New.
16527 (yyparse) [YYDEBUG]: Display the symbols which are popped during
16529 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
16531 2002-05-25 Akim Demaille <akim@epita.fr>
16533 * doc/bison.texinfo (Debugging): Split into...
16534 (Tracing): this new section, its former contents, and...
16535 (Understanding): this new section.
16536 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
16538 (report_flag): this.
16539 Adjust all dependencies.
16540 (report_args, report_types, report_argmatch): New.
16541 (usage, getargs): Report/support -r, --report.
16543 (struct option_table_struct): Rename as..,
16544 (struct option_table_s): this.
16545 Rename the `set_flag' member to `flag' to match with getopt_long's
16547 * src/options.c (option_table): Split verbose into an entry for
16548 %verbose, and another for --verbose.
16549 Support --report/-r, so remove -r from the obsolete --raw.
16550 * src/print.c: Attach full item sets and lookaheads reports to
16551 report_flag instead of trace_flag.
16552 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
16554 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16555 and Paul Eggert <eggert@twinsun.com>
16557 * data/bison.simple (yyparse): Correct error handling to conform to
16558 POSIX and yacc. Specifically, after syntax error is discovered,
16559 do not reduce further before shifting the error token.
16560 Clean up the code a bit by removing the labels yyerrdefault,
16561 yyerrhandle, yyerrpop.
16562 * NEWS: Document the above.
16564 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16566 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
16567 type; it isn't always big enough, since it doesn't necessarily
16568 include non-terminals.
16569 (yytranslate): Expand definition of yy_token_number_type, so that
16570 the latter can be removed.
16571 (yy_token_number_type): Remove, only one use.
16572 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
16573 don't use TokenNumberType as element type.
16575 * tests/regression.at: Modify expected output to agree with change
16576 to yyr1 and yytranslate.
16578 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
16580 * src/reader.c (parse_action): Use copy_character instead of
16583 2002-05-13 Akim Demaille <akim@epita.fr>
16585 * tests/regression.at (Token definitions): Prototype yylex and
16588 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16590 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
16591 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
16593 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
16595 2002-05-07 Akim Demaille <akim@epita.fr>
16597 * tests/synclines.at: Be sure to prototype yylex and yyerror to
16598 avoid GCC warnings.
16600 2002-05-07 Akim Demaille <akim@epita.fr>
16604 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
16605 over the RHS of each rule.
16606 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
16607 * src/state.h (state_t): Member `nitems' is unsigned short.
16608 * src/LR0.c (get_state): Adjust.
16609 * src/reader.c (packgram): Likewise.
16610 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
16612 (muscle_insert_int_table): Remove, unused.
16613 (prepare_rules): Remove `max'.
16615 2002-05-06 Akim Demaille <akim@epita.fr>
16617 * src/closure.c (print_firsts): Display of the symbol tags.
16618 (bitmatrix_print): Move to...
16619 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
16621 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
16623 2002-05-06 Akim Demaille <akim@epita.fr>
16625 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
16628 2002-05-06 Akim Demaille <akim@epita.fr>
16630 * src/LR0.c (new_state, get_state): Instead of using the global
16631 `kernel_size' and `kernel_base', have two new arguments:
16632 `core_size' and `core'.
16635 2002-05-06 Akim Demaille <akim@epita.fr>
16637 * src/reader.c (packgram): No longer end `ritem' with a 0
16638 sentinel: it is not used.
16640 2002-05-05 Akim Demaille <akim@epita.fr>
16642 New experimental feature: display the lookaheads in the report and
16645 * src/print (print_core): When --trace-flag, display the rules
16647 * src/print_graph.c (print_core): Likewise.
16648 Swap the arguments.
16651 2002-05-05 Akim Demaille <akim@epita.fr>
16653 * tests/torture.at (Many lookaheads): New test.
16655 2002-05-05 Akim Demaille <akim@epita.fr>
16657 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
16658 (GENERATE_MUSCLE_INSERT_TABLE): this.
16659 (output_int_table, output_unsigned_int_table, output_short_table)
16660 (output_token_number_table, output_item_number_table): Replace with...
16661 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
16662 (muscle_insert_short_table, muscle_insert_token_number_table)
16663 (muscle_insert_item_number_table): these.
16664 Adjust all callers.
16665 (prepare_tokens): Don't free `translations', since...
16666 * src/reader.h, src/reader.c (grammar_free): do it.
16668 * src/gram.h, src/gram.c (grammar_free): here.
16669 * data/bison.simple, data/bison.c++: b4_token_number_max is now
16672 2002-05-05 Akim Demaille <akim@epita.fr>
16674 * src/output.c (output_unsigned_int_table): New.
16675 (prepare_rules): `i' is unsigned.
16676 `prhs', `rline', `r2' are unsigned int.
16677 Rename muscle `rhs_number_max' as `rhs_max'.
16678 Output muscles `prhs_max', `rline_max', and `r2_max'.
16680 * data/bison.simple, data/bison.c++: Adjust to use these muscles
16681 to compute types instead of constant types.
16682 * tests/regression.at (Web2c Actions): Adjust.
16684 2002-05-04 Akim Demaille <akim@epita.fr>
16686 * src/symtab.h (SALIAS, SUNDEF): Rename as...
16687 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
16688 Adjust dependencies.
16689 * src/output.c (token_definitions_output): Be sure not to output a
16690 `#define 'a'' when fed with `%token 'a' "a"'.
16691 * tests/regression.at (Token definitions): New.
16693 2002-05-03 Paul Eggert <eggert@twinsun.com>
16695 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
16698 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
16700 * Makefile.am (SUBDIRS): Remove intl.
16701 (EXTRA_DIST): Add config/config.rpath.
16703 2002-05-03 Akim Demaille <akim@epita.fr>
16705 * data/bison.simple (m4_if): Don't output empty enums.
16706 And actually, output valid enum definitions :(.
16708 2002-05-03 Akim Demaille <akim@epita.fr>
16710 * configure.bat: Remove, completely obsolete.
16711 * Makefile.am (EXTRA_DIST): Adjust.
16712 Don't distribute config.rpath...
16713 * config/Makefile.am (EXTRA_DIST): Do it.
16715 2002-05-03 Akim Demaille <akim@epita.fr>
16717 * configure.in (GETTEXT_VERSION): New.
16718 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
16720 2002-05-03 Akim Demaille <akim@epita.fr>
16722 * data/bison.simple (b4_token_enum): New.
16723 (b4_token_defines): Use it to output tokens both as #define and
16725 Suggested by Paul Eggert.
16726 * src/output.c (token_definitions_output): Don't output spurious
16729 2002-05-03 Akim Demaille <akim@epita.fr>
16731 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
16733 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
16735 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
16736 Update the stack class, give a try to deque as the default container.
16738 2002-05-02 Akim Demaille <akim@epita.fr>
16740 * data/bison.simple (yyparse): Do not implement @$ = @1.
16741 (YYLLOC_DEFAULT): Adjust to do it.
16742 * doc/bison.texinfo (Location Default Action): Fix.
16744 2002-05-02 Akim Demaille <akim@epita.fr>
16746 * src/reader.c (parse_braces): Merge into...
16747 (parse_action): this.
16749 2002-05-02 Akim Demaille <akim@epita.fr>
16751 * configure.in (ALL_LINGUAS): Remove.
16752 * po/LINGUAS, hr.po: New.
16754 2002-05-02 Akim Demaille <akim@epita.fr>
16756 Remove the so called hairy (semantic) parsers.
16758 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
16759 * src/gram.h, src/gram.c (semantic_parser): Remove.
16760 (rule_t): Remove the guard and guard_line members.
16761 * src/lex.h (token_t): remove tok_guard.
16762 * src/options.c (option_table): Remove %guard and %semantic_parser
16764 * src/output.c, src/output.h (guards_output): Remove.
16766 (token_definitions_output): Don't output the `T'
16768 (output_skeleton): Don't output the guards.
16769 * src/files.c, src/files.c (attrsfile): Remove.
16770 * src/reader.c (symbol_list): Remove the guard and guard_line
16772 Adjust dependencies.
16773 (parse_guard): Remove.
16774 * data/bison.hairy: Remove.
16775 * doc/bison.texinfo (Environment Variables): Remove occurrences of
16778 2002-05-02 Akim Demaille <akim@epita.fr>
16780 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
16781 (parse_guard): Rename the formal argument `stack_offset' as
16782 `rule_length', which is more readable.
16784 (copy_at, copy_dollar): Instead of outputting the hard coded
16785 values of $$, $n and so forth, output invocation to b4_lhs_value,
16786 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
16787 Note: this patch partially drops `semantic-parser' support: it
16788 always does `rule_length - n', where semantic parsers ought to
16790 * data/bison.simple, data/bison.c++ (b4_lhs_value)
16791 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
16793 2002-05-02 Akim Demaille <akim@epita.fr>
16795 * configure.in (AC_INIT): Bump to 1.49b.
16796 (AM_INIT_AUTOMAKE): Short invocation.
16798 2002-05-02 Akim Demaille <akim@epita.fr>
16802 2002-05-01 Akim Demaille <akim@epita.fr>
16804 * src/skeleton.h: Remove.
16806 2002-05-01 Akim Demaille <akim@epita.fr>
16808 * src/skeleton.h: Fix the #endif.
16809 Reported by Magnus Fromreide.
16811 2002-04-26 Paul Eggert <eggert@twinsun.com>
16813 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
16814 Define if we define YYSTYPE and YYLTYPE, respectively.
16815 (YYCOPY): Fix [] quoting problem in the non-GCC case.
16817 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
16819 * src/scan-skel.l: Postprocess quadrigraphs.
16821 * src/reader.c (copy_character): New function, used to output
16822 single characters while replacing `[' and `]' with quadrigraphs, to
16823 avoid troubles with M4 quotes.
16824 (copy_comment): Output characters with copy_character.
16825 (read_additionnal_code): Likewise.
16826 (copy_string2): Likewise.
16827 (copy_definition): Likewise.
16829 * tests/calc.at: Exercise M4 quoting.
16831 2002-04-25 Akim Demaille <akim@epita.fr>
16833 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
16834 between `!' and the command.
16835 Reported by Paul Eggert.
16837 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
16839 * tests/calc.at: Exercise prologue splitting.
16841 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
16842 `b4_post_prologue' instead of `b4_prologue'.
16844 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
16846 (output): Free pre_prologue_obstack and post_prologue_obstack.
16847 * src/files.h, src/files.c (attrs_obstack): Remove.
16848 (pre_prologue_obstack, post_prologue_obstack): New.
16849 * src/reader.c (copy_definition): Add a parameter to specify the
16850 obstack to fill, instead of using attrs_obstack unconditionally.
16851 (read_declarations): Pass pre_prologue_obstack to copy_definition if
16852 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
16854 2002-04-23 Paul Eggert <eggert@twinsun.com>
16856 * data/bison.simple: Remove unnecessary commentary and white
16857 space differences from 1_29-branch.
16858 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
16860 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
16861 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
16862 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
16863 constructors or destructors.
16865 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
16867 2002-04-23 Akim Demaille <akim@epita.fr>
16869 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
16870 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
16871 location with columns.
16872 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
16873 All reported by Paul Eggert.
16875 2002-04-22 Akim Demaille <akim@epita.fr>
16877 * src/reduce.c (dump_grammar): Move to...
16878 * src/gram.h, src/gram.c (grammar_dump): here.
16879 Be sure to separate long item numbers.
16880 Don't read the members of a rule's prec if its nil.
16882 2002-04-22 Akim Demaille <akim@epita.fr>
16884 * src/output.c (table_size, table_grow): New.
16885 (MAXTABLE): Remove, replace uses with table_size.
16886 (pack_vector): Instead of dying when the table is too big, grow it.
16888 2002-04-22 Akim Demaille <akim@epita.fr>
16890 * data/bison.simple (yyr1): Its type is that of a token number.
16891 * data/bison.c++ (r1_): Likewise.
16892 * tests/regression.at (Web2c Actions): Adjust.
16894 2002-04-22 Akim Demaille <akim@epita.fr>
16896 * src/reader.c (token_translations_init): 256 is now the default
16897 value for the error token, i.e., it will be assigned another
16898 number if the user assigned 256 to one of her tokens.
16899 (reader): Don't force 256 to error.
16900 * doc/bison.texinfo (Symbols): Adjust.
16901 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
16902 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
16903 etc. instead of 10, 20, 30 (which was used to `jump' over error
16904 (256) and undefined (2)).
16906 2002-04-22 Akim Demaille <akim@epita.fr>
16908 Propagate more token_number_t.
16910 * src/gram.h (token_number_as_item_number)
16911 (item_number_as_token_number): New.
16912 * src/output.c (GENERATE_OUTPUT_TABLE): New.
16913 Use it to create output_item_number_table and
16914 output_token_number_table.
16915 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16916 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
16917 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
16918 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
16920 2002-04-22 Akim Demaille <akim@epita.fr>
16922 * src/output.h, src/output.c (get_lines_number): Remove.
16924 2002-04-19 Akim Demaille <akim@epita.fr>
16926 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
16928 (Debugging): More details about enabling the debugging features.
16929 (Table of Symbols): Describe $$, $n, @$, and @n.
16930 Suggested by Tim Josling.
16932 2002-04-19 Akim Demaille <akim@epita.fr>
16934 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
16936 2002-04-10 Akim Demaille <akim@epita.fr>
16938 * src/system.h: Rely on HAVE_LIMITS_H.
16939 Suggested by Paul Eggert.
16941 2002-04-09 Akim Demaille <akim@epita.fr>
16943 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
16944 full stderr, and strip it according to the bison options, instead
16945 of composing the error message from different bits.
16946 This makes it easier to check for several error messages.
16947 Adjust all the invocations.
16948 Add an invocation exercising the error token.
16949 Add an invocation demonstrating a stupid error message.
16950 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
16952 Error message are for stderr, not stdout.
16954 2002-04-09 Akim Demaille <akim@epita.fr>
16956 * src/gram.h, src/gram.c (error_token_number): Remove, use
16958 * src/reader.c (reader): Don't specify the user token number (2)
16959 for $undefined, as it uselessly prevents using it.
16960 * src/gram.h (token_number_t): Move to...
16961 * src/symtab.h: here.
16962 (state_t.number): Is a token_number_t.
16963 * src/print.c, src/reader.c: Use undeftoken->number instead of
16965 (Even though this 2 is not the same as above: the number of the
16966 undeftoken remains being 2, it is its user token number which
16968 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
16969 `user_token_number_max'.
16970 Output `undef_token_number'.
16971 * data/bison.simple, data/bison.c++: Use them.
16972 Be sure to map invalid yylex return values to
16973 `undef_token_number'. This saves us from gratuitous SEGV.
16975 * tests/conflicts.at (Solved SR Conflicts)
16976 (Unresolved SR Conflicts): Adjust.
16977 * tests/regression.at (Web2c Actions): Adjust.
16979 2002-04-08 Akim Demaille <akim@epita.fr>
16981 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
16983 Remove the duplicate `typedefs'.
16984 (RhsNumberType): Fix the declaration and various other typos.
16986 * data/bison.simple: Use __ofile__.
16987 * src/scan-skel.l: Handle __ofile__.
16989 2002-04-08 Akim Demaille <akim@epita.fr>
16991 * src/gram.h (item_number_t): New, the type of item numbers in
16992 RITEM. Note that it must be able to code symbol numbers as
16993 positive number, and the negation of rule numbers as negative
16995 Adjust all dependencies (pretty many).
16996 * src/reduce.c (rule): Remove this `short *' pointer: use
16998 * src/system.h (MINSHORT, MAXSHORT): Remove.
16999 Include `limits.h'.
17000 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
17001 (shortcpy): Remove.
17002 (MAXTABLE): Move to...
17003 * src/output.c (MAXTABLE): here.
17004 (prepare_rules): Use output_int_table to output rhs.
17005 * data/bison.simple, data/bison.c++: Adjust.
17006 * tests/torture.at (Big triangle): Move the limit from 254 to
17008 * tests/regression.at (Web2c Actions): Ajust.
17010 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
17011 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
17012 passes, but produces negative #line number, once fixed, GCC is
17013 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
17015 * src/state.h (state_h): Code input lines on ints, not shorts.
17017 2002-04-08 Akim Demaille <akim@epita.fr>
17019 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
17020 and then the grammar.
17022 2002-04-08 Akim Demaille <akim@epita.fr>
17024 * src/system.h: No longer using strndup.
17026 2002-04-07 Akim Demaille <akim@epita.fr>
17028 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
17029 * src/output.c (output_table_data): Return the longest number.
17030 (prepare_tokens): Output `token_number_max').
17031 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
17033 Use them to define yy_token_number_type/TokenNumberType.
17034 Use this type for yytranslate.
17035 * tests/torture.at (Big triangle): Push the limit from 124 to
17037 * tests/regression.at (Web2c Actions): Adjust.
17039 2002-04-07 Akim Demaille <akim@epita.fr>
17041 * tests/torture.at (Big triangle): New.
17042 (GNU AWK Grammar, GNU Cim Grammar): Move to...
17043 * tests/existing.at: here.
17045 2002-04-07 Akim Demaille <akim@epita.fr>
17047 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
17049 Adjust dependencies.
17051 2002-04-07 Akim Demaille <akim@epita.fr>
17053 * src/reader.c: Normalize increments to prefix form.
17055 2002-04-07 Akim Demaille <akim@epita.fr>
17057 * src/reader.c, symtab.c: Remove debugging code.
17059 2002-04-07 Akim Demaille <akim@epita.fr>
17061 Rename all the `bucket's as `symbol_t'.
17063 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
17064 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
17065 * src/symtab.c, src/symtab.h (bucket): Rename as...
17067 (symbol_list_new, bucket_check_defined, bucket_make_alias)
17068 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
17069 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17070 (buckets_new, buckets_free, buckets_do): Rename as...
17071 (symbol_list_new, symbol_check_defined, symbol_make_alias)
17072 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
17073 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
17074 (symbols_new, symbols_free, symbols_do): these.
17076 2002-04-07 Akim Demaille <akim@epita.fr>
17078 Use lib/hash for the symbol table.
17080 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
17082 * src/lex.c (lex): Set the `number' member of new terminals.
17083 * src/reader.c (bucket_check_defined, bucket_make_alias)
17084 (bucket_check_alias_consistence, bucket_translation): New.
17085 (reader, grammar_free, readgram, token_translations_init)
17086 (packsymbols): Adjust.
17087 (reader): Number the predefined tokens.
17088 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
17089 for predefined tokens.
17090 * src/symtab.h (bucket): Remove all the hash table related
17092 * src/symtab.c (symtab): Replace by...
17093 (bucket_table): this.
17094 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17095 (buckets_new, buckets_do): New.
17097 2002-04-07 Akim Demaille <akim@epita.fr>
17099 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
17100 (start_symbol, max_user_token_number, semantic_parser)
17101 (error_token_number): Initialize.
17102 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
17105 (errtoken, eoftoken, undeftoken, axiom): Extern.
17107 2002-04-07 Akim Demaille <akim@epita.fr>
17109 * src/gram.h (rule_s): prec and precsym are now pointers
17110 to the bucket giving the priority/associativity.
17111 Member `associativity' removed: useless.
17112 * src/reduce.c, src/conflicts.c: Adjust.
17114 2002-04-07 Akim Demaille <akim@epita.fr>
17116 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
17117 Properly escape the symbols' TAG when outputting them.
17119 2002-04-07 Akim Demaille <akim@epita.fr>
17121 * src/lalr.h (LA): Is a bitsetv, not bitset*.
17123 2002-04-07 Akim Demaille <akim@epita.fr>
17125 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
17126 (LArule): this, which is an array to rule_t*.
17127 * src/print.c, src/conflicts.c: Adjust.
17129 2002-04-07 Akim Demaille <akim@epita.fr>
17131 * src/gram.h (rule_t): Rename `number' as `user_number'.
17132 `number' is a new member.
17133 Adjust dependencies.
17134 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
17136 2002-04-07 Akim Demaille <akim@epita.fr>
17138 As a result of the previous patch, it is no longer needed
17139 to reorder ritem itself.
17141 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
17143 2002-04-07 Akim Demaille <akim@epita.fr>
17145 Be sure never to walk through RITEMS, but use only data related to
17146 the rules themselves. RITEMS should be banished.
17148 * src/output.c (output_token_translations): Rename as...
17149 (prepare_tokens): this.
17150 In addition to `translate', prepare the muscles `tname' and
17151 `toknum', which were handled by...
17152 (output_rule_data): this.
17153 Remove, and move the remainder of its outputs into...
17154 (prepare_rules): this new routines, which also merges content from
17155 (output_gram): this.
17156 (prepare_rules): Be sure never to walk through RITEMS.
17157 (output_stos): Rename as...
17158 (prepare_stos): this.
17159 (output): Always invoke prepare_states, after all, just don't use it
17160 in the output if you don't need it.
17162 2002-04-07 Akim Demaille <akim@epita.fr>
17164 * src/LR0.c (new_state): Display `nstates' as the name of the
17165 newly created state.
17166 Adjust to initialize first_state and last_state if needed.
17167 Be sure to distinguish the initial from the final state.
17168 (new_states): Create the itemset of the initial state, and use
17170 * src/closure.c (closure): Now that the initial state has its
17171 items properly set, there is no need for a special case when
17172 creating `ruleset'.
17174 As a result, now the rule 0, reducing to $axiom, is visible in the
17175 outputs. Adjust the test suite.
17177 * tests/conflicts.at (Solved SR Conflicts)
17178 (Unresolved SR Conflicts): Adjust.
17179 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
17180 * tests/conflicts.at (S/R in initial): New.
17182 2002-04-07 Akim Demaille <akim@epita.fr>
17184 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
17185 the RHS of the rules.
17186 * src/output.c (output_gram): Likewise.
17188 2002-04-07 Akim Demaille <akim@epita.fr>
17190 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
17192 Adjust all dependencies.
17193 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
17194 `number' of the buckets too.
17195 * src/gram.h: Include `symtab.h'.
17196 (associativity): Move to...
17197 * src/symtab.h: here.
17198 No longer include `gram.h'.
17200 2002-04-07 Akim Demaille <akim@epita.fr>
17202 * src/gram.h, src/gram.c (rules_rhs_length): New.
17203 (ritem_longest_rhs): Use it.
17204 * src/gram.h (rule_t): `number' is a new member.
17205 * src/reader.c (packgram): Set it.
17206 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
17207 the end of `rules', and count them out of `nrules'.
17208 (reduce_output, dump_grammar): Adjust.
17209 * src/print.c (print_grammar): It is no longer needed to check for
17210 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
17211 * tests/reduce.at (Reduced Automaton): New test.
17213 2002-04-07 Akim Demaille <akim@epita.fr>
17215 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
17216 lacking `+ 1' to nrules, Bison reported as useless a token if it
17217 was used solely to set the precedence of the last rule...
17219 2002-04-07 Akim Demaille <akim@epita.fr>
17221 * data/bison.c++, data/bison.simple: Don't output the current file
17222 name in #line, to avoid useless diffs between two identical
17223 outputs under different names.
17225 2002-04-07 Akim Demaille <akim@epita.fr>
17227 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
17228 Normalize loops to using `< nrules + 1', not `<= nrules'.
17230 2002-04-07 Akim Demaille <akim@epita.fr>
17234 2002-04-07 Akim Demaille <akim@epita.fr>
17236 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
17237 bucket.value as bucket.number.
17239 2002-04-07 Akim Demaille <akim@epita.fr>
17241 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
17242 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17243 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
17244 RHS, instead of being an index in RITEMS.
17246 2002-04-04 Paul Eggert <eggert@twinsun.com>
17248 * doc/bison.texinfo: Update copyright date.
17249 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
17250 (Symbols): Warn about running Bison in one character set,
17251 but compiling and/or running in an incompatible one.
17252 Warn about character code 256, too.
17254 2002-04-03 Paul Eggert <eggert@twinsun.com>
17256 * src/bison.data (YYSTACK_ALLOC): Depend on whether
17257 YYERROR_VERBOSE is nonzero, not whether it is defined.
17259 Merge changes from bison-1_29-branch.
17261 2002-03-20 Paul Eggert <eggert@twinsun.com>
17263 Merge fixes from Debian bison_1.34-1.diff.
17265 * configure.in (AC_PREREQ): 2.53.
17267 2002-03-20 Akim Demaille <akim@epita.fr>
17269 * src/conflicts.c (log_resolution): Argument `resolution' is const.
17271 2002-03-19 Paul Eggert <eggert@twinsun.com>
17273 * src/bison.simple (YYCOPY): New macro.
17274 (YYSTACK_RELOCATE): Use it.
17275 Remove Type arg; no longer needed. All callers changed.
17276 (yymemcpy): Remove; no longer needed.
17278 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
17279 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
17281 2002-03-19 Akim Demaille <akim@epita.fr>
17283 Test and fix the #line outputs.
17285 * tests/atlocal.at (GCC): New.
17286 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
17287 (Prologue synch line, %union synch line, Postprologue synch line)
17288 (Action synch line, Epilogue synch line): New tests.
17289 * src/reader.c (parse_union_decl): Define the muscle stype_line.
17290 * data/bison.simple, data/bison.c++: Use it.
17292 2002-03-19 Akim Demaille <akim@epita.fr>
17294 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
17295 (Solved SR Conflicts, %expect not enough, %expect right)
17296 (%expect too much): Move to...
17297 * tests/conflicts.at: this new file.
17299 2002-03-19 Akim Demaille <akim@epita.fr>
17301 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17302 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
17303 that we can move to enums for instance.
17304 * src/output.c (token_definitions_output): Output a list of
17305 `token-name, token-number' instead of the #define.
17306 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
17308 2002-03-14 Akim Demaille <akim@epita.fr>
17310 Use Gettext 0.11.1.
17312 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
17314 * data/bison.c++: Make the user able to add members to the generated
17315 parser by subclassing.
17317 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
17319 * src/reader.c (read_additionnal_code): `c' should be an integer, not
17321 Reported by Nicolas Tisserand and Nicolas Burrus.
17323 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17325 * src/reader.c: Warn about lacking semi-colons, do not complain.
17327 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17329 * data/bison.c++: Remove a debug line.
17331 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17333 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
17334 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
17335 provide a default implementation.
17337 2002-03-04 Akim Demaille <akim@epita.fr>
17339 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
17340 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
17341 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
17342 * tests/semantic.at (Parsing Guards): Similarly.
17343 * src/reader.at (readgram): Complain if the last rule is not ended
17346 2002-03-04 Akim Demaille <akim@epita.fr>
17348 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
17349 * src/closure.c: here.
17350 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
17352 * src/warshall.h, src/warshall.c: Remove.
17353 * tests/sets.at (Broken Closure): Adjust.
17355 2002-03-04 Akim Demaille <akim@epita.fr>
17357 * src/output.c (output_skeleton): tempdir is const.
17358 bytes_read is unused.
17360 2002-03-04 Akim Demaille <akim@epita.fr>
17362 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17363 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
17365 From Michael Hayes.
17367 2002-03-04 Akim Demaille <akim@epita.fr>
17369 * src/closure.c (closure): `r' is unused.
17371 2002-03-04 Akim Demaille <akim@epita.fr>
17373 * tests/sets.at (Broken Closure): Add the ending `;'.
17374 * src/reader.at (readgram): Complain if a rule is not ended with a
17377 2002-03-04 Akim Demaille <akim@epita.fr>
17379 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
17380 (count_sr_conflicts): Use bitset_count.
17381 * src/reduce.c (inaccessable_symbols): Ditto.
17382 (bits_size): Remove.
17383 * src/warshall.h, src/warshall.c: Convert to bitsetv.
17385 2002-03-04 Akim Demaille <akim@epita.fr>
17387 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
17388 * src/reduce.c: Remove the `bitset_zero's following the
17389 `bitset_create's, as now it is performed by the latter.
17391 2002-03-04 Akim Demaille <akim@epita.fr>
17393 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
17394 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
17395 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
17396 latest sources from Michael.
17398 2002-03-04 Akim Demaille <akim@epita.fr>
17400 * src/output.c (output): Don't free the grammar.
17401 * src/reader.c (grammar_free): New.
17402 * src/main.c (main): Call it and don't free symtab here.
17404 2002-03-04 Akim Demaille <akim@epita.fr>
17406 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
17408 Reported by Benoit Perrot.
17410 2002-03-04 Akim Demaille <akim@epita.fr>
17412 Use bitset operations when possible, not loops over bits.
17414 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
17416 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
17417 * src/reduce.c (useless_nonterminals): Formatting changes.
17418 * src/warshall.c (TC): Use bitset_or.
17420 2002-03-04 Akim Demaille <akim@epita.fr>
17422 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
17423 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
17426 2002-03-04 Akim Demaille <akim@epita.fr>
17428 * src/lalr.c (F): Now a bitset*.
17429 Adjust all dependencies.
17431 2002-03-04 Akim Demaille <akim@epita.fr>
17433 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
17434 Adjust all dependencies.
17436 2002-03-04 Akim Demaille <akim@epita.fr>
17438 * src/L0.c, src/LR0.h (nstates): Be size_t.
17439 Adjust comparisons (signed vs unsigned).
17440 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
17442 Adjust all dependencies.
17444 2002-03-04 Akim Demaille <akim@epita.fr>
17446 * src/closure.c (firsts): Now, also a bitset.
17447 Adjust all dependencies.
17448 (varsetsize): Remove, now unused.
17449 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
17451 2002-03-04 Akim Demaille <akim@epita.fr>
17453 * src/print.c: Convert to use bitset.h, not hand coded iterations
17456 2002-03-04 Akim Demaille <akim@epita.fr>
17458 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
17460 2002-03-04 Akim Demaille <akim@epita.fr>
17462 * src/closure.c (ruleset): Be a bitset.
17463 (rulesetsize): Remove.
17465 2002-03-04 Akim Demaille <akim@epita.fr>
17467 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17468 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
17469 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
17470 * src/closure.c (fderives): Be an array of bitsets.
17472 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
17474 * data/bison.c++: Merge the two generated headers. Insert a copyright
17475 notice in each output file.
17477 2002-02-28 Akim Demaille <akim@epita.fr>
17479 * data/bison.c++: Copy the prologue of bison.simple to fetch
17480 useful M4 definitions, such as b4_header_guard.
17482 2002-02-25 Akim Demaille <akim@epita.fr>
17484 * src/getargs.c (version): Give the name of the authors, and use a
17485 translator friendly scheme for the bgr
17488 2002-02-25 Akim Demaille <akim@epita.fr>
17490 * src/output.c (header_output): Remove, now handled completely via
17493 2002-02-25 Akim Demaille <akim@epita.fr>
17495 * m4/m4.m4: New, from CVS Autoconf.
17496 * configure.in: Invoke it.
17497 * src/output.c (output_skeleton): Use its result instead of the
17500 2002-02-25 Akim Demaille <akim@epita.fr>
17502 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
17504 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
17505 * src/output.c (output_skeleton): Use mkstemp to create a real
17507 Move the filling of `skeleton' and its muscle to...
17509 (output): Move the definition of the prologue muscle to...
17511 * src/system.h (DEFAULT_TMPDIR): New.
17513 2002-02-14 Paul Eggert <eggert@twinsun.com>
17515 Remove the support for C++ namespace cleanliness; it was
17516 causing more problems than it was curing, since it didn't work
17517 properly on some nonstandard C++ compilers. This can wait
17518 for a proper C++ parser.
17520 * NEWS: Document this.
17521 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
17522 of C++, as it's treated like C now.
17523 * src/bison.simple (YYSTD): Remove.
17524 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
17525 Treat C++ just like Standard C instead of trying to support
17526 namespace cleanliness.
17528 2002-02-14 Akim Demaille <akim@epita.fr>
17530 * tests/regression.at (else): Adjust to Andreas' change.
17532 2002-02-14 Akim Demaille <akim@epita.fr>
17534 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
17536 2002-02-13 Andreas Schwab <schwab@suse.de>
17538 * src/output.c (output_rule_data): Don't output NULL, it might
17539 not be defined yet.
17541 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
17543 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
17544 (Copyright notice): Update.
17546 2002-02-11 Akim Demaille <akim@epita.fr>
17548 * tests/regression.at (%nonassoc and eof): Don't include
17549 nonportable headers.
17551 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
17553 * data/bison.c++: Correct error recovery. Make the user able to
17554 initialize the starting location.
17556 2002-02-07 Akim Demaille <akim@epita.fr>
17558 * tests/input.at: New.
17560 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17562 * data/bison.c++: Replace some direct m4 expansions by constants. Be
17563 more consistent when naming methods and variables. Put preprocessor
17564 directives around tables only needed for debugging.
17566 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17568 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
17570 (yy::b4_name::parse): Use print_.
17572 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17574 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
17576 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17578 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
17580 (yy::b4_name::parse): Build verbose error messages, and use error_.
17582 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17584 * data/bison.c++: Fix m4 quoting in comments.
17586 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17588 * data/bison.c++: Adjust the parser code. Fix some muscles that were
17589 not expanded by m4.
17591 2002-02-05 Akim Demaille <akim@epita.fr>
17593 * data/bison.c++: Adjust to the M4 back end.
17594 More is certainly needed.
17596 2002-02-05 Akim Demaille <akim@epita.fr>
17598 Give a try to M4 as a back end.
17600 * lib/readpipe.c: New, from wdiff.
17601 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
17603 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
17604 specific values. Now it is m4 that performs the lookup.
17605 * src/parse-skel.y: Remove.
17606 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
17607 * src/output.c (actions_output, guards_output)
17608 (token_definitions_output): No longer keeps track of the output
17609 line number, hence remove the second argument.
17610 (guards_output): Check against the guard member of a rule, not the
17613 (output_skeleton): Don't look for the skeleton location, let m4 do
17615 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
17617 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
17618 (prepare): Given that for the time being changesyntax is not
17619 usable in M4, rename the muscles using `-' to `_'.
17620 Define `defines_flag', `output_parser_name' and `output_header_name'.
17621 * src/output.h (actions_output, guards_output)
17622 (token_definitions_output): Adjust prototypes.
17623 * src/scan-skel.l: Instead of scanning the skeletons, it now
17624 processes the output of m4: `__oline__' and `#output'.
17625 * data/bison.simple: Adjust to be used by M4(sugar).
17626 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
17628 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
17629 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
17630 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
17631 shamelessly stolen from CVS Autoconf.
17633 2002-02-05 Akim Demaille <akim@epita.fr>
17635 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
17636 * configure.in: Check for the declarations of free and malloc.
17637 * src/muscle_tab.c: Adjust.
17639 2002-02-05 Akim Demaille <akim@epita.fr>
17641 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
17642 which have no values.
17644 2002-02-05 Akim Demaille <akim@epita.fr>
17646 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
17649 2002-01-29 Paul Eggert <eggert@twinsun.com>
17651 * src/bison.simple (YYSIZE_T): Do not define merely because
17652 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
17653 On some platforms, <alloca.h> does not declare YYSTD (size_t).
17655 2002-01-27 Akim Demaille <akim@epita.fr>
17657 Fix `%nonassoc and eof'.
17659 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
17660 which were not properly copied! Replace
17661 memcpy (res->errs, src->errs, src->nerrs);
17663 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
17665 * tests/regression.at (%nonassoc and eof): Adjust to newest
17666 Autotest: `.' is not in the PATH.
17668 2002-01-27 Akim Demaille <akim@epita.fr>
17670 * tests/sets.at (AT_EXTRACT_SETS): New.
17671 (Nullable): Use it.
17674 2002-01-26 Akim Demaille <akim@epita.fr>
17676 * tests/actions.at, tests/calc.at, tests/headers.at,
17677 * tests/torture.at: Adjust to the newest Autotest which no longer
17678 forces `.' in the PATH.
17680 2002-01-25 Akim Demaille <akim@epita.fr>
17682 * tests/regression.at (%nonassoc and eof): New.
17683 Suggested by Robert Anisko.
17685 2002-01-24 Akim Demaille <akim@epita.fr>
17687 Bison dumps core when trying to complain about broken input files.
17688 Reported by Cris van Pelt.
17690 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
17691 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
17693 (Invalid inputs): Strengthen: exercise parse_percent_token.
17695 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
17697 * src/Makefile.am: Add bison.c++.
17698 * src/bison.c++: New skeleton.
17700 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
17704 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
17706 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
17708 2002-01-20 Marc Autret <marc@gnu.org>
17710 * src/files.c (compute_output_file_names): Fix
17712 2002-01-20 Marc Autret <marc@gnu.org>
17714 * tests/output.at: New test.
17715 * src/files.c (compute_base_names): Don't map extensions when
17716 the YACC flag is set, use defaults.
17717 Reported by Evgeny Stambulchik.
17719 2002-01-20 Marc Autret <marc@gnu.org>
17721 * src/system.h: Need to define __attribute__ away for non-GCC
17722 compilers as well (i.e., the vendor C compiler).
17723 Suggested by Albert Chin-A-Young.
17725 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
17727 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
17728 canonical definition.
17729 * src/system.h: Use the canonical definition for PARAMS (avoids
17730 a conflict with the macro from lib/hash.h).
17732 2002-01-11 Akim Demaille <akim@epita.fr>
17734 * configure.in: Use AC_FUNC_STRNLEN.
17735 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
17737 2002-01-09 Akim Demaille <akim@epita.fr>
17739 * src/files.c, src/files.h (output_infix): New.
17740 (tab_extension): Remove.
17741 (compute_base_names): Compute the former, drop the latter.
17742 * src/output.c (prepare): Insert the muscles `output-infix', and
17744 * src/parse-skel.y (string, string.1): New.
17745 (section.header): Use it.
17746 (section.yacc): Remove.
17747 (prefix): Remove too.
17748 * src/scan-skel.l: Adjust.
17749 * src/bison.simple, src/bison.hairy: Adjust.
17751 2002-01-09 Akim Demaille <akim@epita.fr>
17753 * configure.in (WERROR_CFLAGS): Compute it.
17754 * src/Makefile.am (CFLAGS): Pass it.
17755 * tests/atlocal.in (CFLAGS): Idem.
17756 * src/files.c: Fix a few warnings.
17757 (get_extension_index): Remove, unused.
17759 2002-01-08 Akim Demaille <akim@epita.fr>
17761 * src/getargs.c (AS_FILE_NAME): New.
17762 (getargs): Use it to convert DOSish file names.
17763 * src/files.c (base_name): Rename as full_base_name to avoid
17764 clashes with `base_name ()'.
17765 (filename_split): New.
17766 (compute_base_names): N-th rewrite, using filename_split.
17768 2002-01-08 Akim Demaille <akim@epita.fr>
17770 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
17771 New, stolen from the Fileutils 4.1.
17772 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
17773 * configure.in: Check for the presence of memrchr, and of its
17776 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
17778 * lib/hash.h (__P): Added definition for this macro.
17779 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
17780 BUILT_SOURCES, to ensure they are generated first.
17781 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
17782 %error-verbose to allow bootstrapping with bison 1.30x.
17784 2002-01-06 Akim Demaille <akim@epita.fr>
17786 * src/reader.c (parse_braces): Don't fetch the next char, the
17787 convention is to fetch on entry.
17788 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
17789 'switch' without a following semicolon.
17790 * tests/regression.at (braces parsing): New.
17792 2002-01-06 Akim Demaille <akim@epita.fr>
17794 Bison is dead wrong in its RR conflict reports.
17796 * tests/torture.at (GNU Cim Grammar): New.
17797 * src/conflicts.c (count_rr_conflicts): Fix.
17799 2002-01-06 Akim Demaille <akim@epita.fr>
17801 Creating package.m4 from configure.ac causes too many problems.
17803 * tests/Makefile.am (package.m4): Create it by hand,
17804 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
17806 2002-01-06 Akim Demaille <akim@epita.fr>
17808 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
17811 2002-01-04 Paul Eggert <eggert@twinsun.com>
17813 * doc/bison.texinfo (Debugging):
17814 Remove YYSTDERR; it's no longer defined or used.
17815 Also, s/cstdio.h/cstdio/.
17817 2002-01-03 Akim Demaille <akim@epita.fr>
17819 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
17821 2002-01-03 Akim Demaille <akim@epita.fr>
17823 * src/parse-skel.y (process_skeleton): Don't bind the parser's
17824 tracing code to --trace, wait for a better --trace option, with
17827 2002-01-03 Akim Demaille <akim@epita.fr>
17829 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
17830 The ISO C++ standard is extremely clear about it: stderr is
17831 considered a macro, not a regular symbol (see table 94 `Header
17832 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
17833 Therefore std:: does not apply to it. It still does with fprintf.
17834 Also, s/cstdio.h/cstdio/.
17836 2002-01-03 Akim Demaille <akim@epita.fr>
17838 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
17839 for non system headers.
17841 2002-01-02 Akim Demaille <akim@epita.fr>
17843 Equip the skeleton chain with location tracking, runtime trace,
17844 pure parser and scanner.
17846 * src/parse-skel.y: Request a pure parser, locations, and prefix
17848 (%union): Having several members with the same type does not help
17849 type mismatches, simplify.
17850 (YYPRINT, yyprint): New.
17851 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
17852 (skel_error): this.
17854 * src/scan-skel.l: Adjust to these changes.
17855 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
17856 (LOCATION_PRINT, skel_control_t): New.
17858 2001-12-30 Akim Demaille <akim@epita.fr>
17860 * src/parse-skel.y: Get rid of the shift/reduce conflict:
17861 replace `gb' with BLANKS.
17862 * src/scan-skel.l: Adjust.
17864 2001-12-30 Akim Demaille <akim@epita.fr>
17866 * src/system.h: We don't need nor want bcopy.
17867 Throw away MS-DOS crap: we don't need getpid.
17868 * configure.in: We don't need strndup. It was even causing
17869 problems: because Flex includes the headers *before* us,
17870 _GNU_SOURCE is not defined by config.h, and therefore strndup was
17872 * lib/xstrndup.c: New.
17873 * src/scan-skel.l: Use it.
17874 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
17875 * src/parse-skel.y: Use %directives instead of #defines.
17877 2001-12-30 Akim Demaille <akim@epita.fr>
17879 * src/skeleton.h: New.
17880 * src/output.c (output_parser, output_master_parser): Remove, dead
17882 * src/output.h (get_lines_number, actions_output, guards_output)
17883 (token_definitions_output): Prototype them.
17884 * src/parse-skel.y: Add the license notice.
17885 Include output.h and skeleton.h.
17886 (process_skeleton): Returns void, and takes a single parameter.
17887 * src/scan-skel.l: Add the license notice.
17888 Include skeleton.h.
17889 Don't use %option yylineno: it seems that then Flex imagines
17890 REJECT has been used, and therefore it won't reallocate its
17891 buffers (which makes no other sense to me than a bug). It results
17892 in warnings for `unused: yy_flex_realloc'.
17894 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
17896 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17897 (MUSCLE_INSERT_PREFIX): ...to there.
17898 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17899 (MUSCLE_INSERT_PREFIX): Move from here...
17901 * src/bison.hairy: Add a section directive. Put braces around muscle
17902 names. This parser skeleton is still broken, but Bison should not
17903 choke on a bad muscle 'syntax'.
17904 * src/bison.simple: Add a section directive. Put braces around muscle
17907 * src/files.h (strsuffix, stringappend): Add declarations.
17908 (tab_extension): Add declaration.
17909 (short_base_name): Add declaration.
17911 * src/files.c (strsuffix, stringappend): No longer static. These
17912 functions are used in the skeleton parser.
17913 (tab_extension): New.
17914 (compute_base_names): Use the computations done in this function
17915 to guess if the generated parsers should have '.tab' in their
17917 (short_base_name): No longer static.
17919 * src/output.c (output_skeleton): New.
17920 (output): Disable call to output_master_parser, and give a try to
17921 a new skeleton handling system.
17922 (guards_output, actions_output): No longer static.
17923 (token_definitions_output, get_lines_number): No longer static.
17925 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
17927 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
17930 * src/parse-skel.y: New file.
17931 * src/scan-skel.l: New file.
17933 2001-12-29 Akim Demaille <akim@epita.fr>
17935 %name-prefix is broken.
17937 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
17938 Adjust all dependencies.
17939 * tests/headers.at (export YYLTYPE): Strengthen this test: use
17942 Renaming yylval but not yylloc is not consistent. Now we do.
17944 * src/bison.simple: Prefix yylloc if used.
17945 * doc/bison.texinfo (Decl Summary): Document that.
17947 2001-12-29 Akim Demaille <akim@epita.fr>
17949 * doc/bison.texinfo: Promote `%long-directive' over
17951 Remove all references to fixed-output-files, yacc is enough.
17953 2001-12-29 Akim Demaille <akim@epita.fr>
17955 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
17956 user prologue. These are defaults.
17957 * tests/actions.at (Mid-rule actions): Make sure the user can
17958 define YYDEBUG and YYERROR_VERBOSE.
17960 2001-12-29 Akim Demaille <akim@epita.fr>
17962 * src/output.c (header_output): Don't forget to export YYLTYPE and
17964 * tests/headers.at (export YYLTYPE): New, make sure it does.
17965 * tests/regression.at (%union and --defines, Invalid CPP headers):
17967 * tests/headers.at: here.
17969 2001-12-29 Akim Demaille <akim@epita.fr>
17971 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
17973 2001-12-29 Akim Demaille <akim@epita.fr>
17975 * tests/actions.at (Mid-rule actions): Output on a single line
17976 instead of several.
17978 2001-12-29 Akim Demaille <akim@epita.fr>
17980 * doc/bison.texinfo: Formatting changes.
17982 2001-12-29 Akim Demaille <akim@epita.fr>
17984 Don't store the token defs in a muscle, just be ready to output it
17985 on command. Now possible via `symbols'. Fixes a memory leak.
17987 * src/output.c (token_definitions_output): New.
17988 (output_parser, header_output): Use it.
17989 * src/reader.c (symbols_save): Remove.
17991 2001-12-29 Akim Demaille <akim@epita.fr>
17993 * src/bison.simple: Do not provide a default for YYSTYPE and
17994 YYLTYPE before the user's prologue. Otherwise it's hardly... a
17997 2001-12-29 Akim Demaille <akim@epita.fr>
17999 Mid-rule actions are simply... ignored!
18001 * src/reader.c (readgram): Be sure to attach mid-rule actions to
18002 the empty-rule associated to the dummy symbol, not to the host
18004 * tests/actions.at (Mid-rule actions): New.
18006 2001-12-29 Akim Demaille <akim@epita.fr>
18010 * src/reader.c (reader): Free grammar.
18012 2001-12-29 Akim Demaille <akim@epita.fr>
18016 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
18017 since it allocates it for each state, although only one is needed.
18018 (allocate_storage): Do it here.
18020 2001-12-29 Akim Demaille <akim@epita.fr>
18022 * src/options.h, src/options.c (create_long_option_table): Rename
18024 (long_option_table_new): this, with a clearer prototype.
18025 (percent_table): Remove, unused,
18026 * src/getargs.c (getargs): Adjust.
18028 2001-12-29 Akim Demaille <akim@epita.fr>
18030 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
18031 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
18034 2001-12-29 Akim Demaille <akim@epita.fr>
18036 * src/lalr.c (build_relations): Rename `states' as `states1'.
18037 Sorry, I don't understand exactly what it is, no better name...
18039 2001-12-29 Akim Demaille <akim@epita.fr>
18041 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
18042 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
18043 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
18046 2001-12-29 Akim Demaille <akim@epita.fr>
18048 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
18051 2001-12-29 Akim Demaille <akim@epita.fr>
18053 * src/reader.c, src/reader.h (user_toknums): Remove.
18054 Adjust all users to use symbols[i]->user_token_number.
18056 2001-12-29 Akim Demaille <akim@epita.fr>
18058 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
18059 Adjust all users to use symbols[i]->prec or ->assoc.
18061 2001-12-29 Akim Demaille <akim@epita.fr>
18063 * src/reader.c, src/reader.h (tags): Remove.
18064 Adjust all users to use symbols[i]->tag.
18066 2001-12-29 Akim Demaille <akim@epita.fr>
18068 * src/gram.h, src/gram.c (symbols): New, similar to state_table
18070 * src/reader.c (packsymbols): Fill this table.
18072 * src/conflicts.c (resolve_sr_conflict): Adjust.
18073 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
18075 Use symbols[i]->tag instead of tags[i].
18077 2001-12-29 Akim Demaille <akim@epita.fr>
18079 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
18080 In addition, put a comment in there, to replace...
18081 * tests/regression.at (%union and C comments): Remove.
18083 2001-12-29 Akim Demaille <akim@epita.fr>
18085 * tests/regression.at (Web2c Actions): Blindly move the actual
18086 output as expected output. The contents *seem* right to me, but I
18087 can't pretend reading perfectly parser tables... Nonetheless, all
18088 the other tests pass correctly, the table look OK, even though the
18089 presence of `$axiom' is to be noted: AFAICS it is useless (but
18092 2001-12-29 Akim Demaille <akim@epita.fr>
18094 * src/reader.c (readgram): Don't add the rule 0 if there were no
18095 rules read. In other words, add it _after_ having performed
18096 grammar sanity checks.
18097 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
18099 2001-12-29 Akim Demaille <akim@epita.fr>
18101 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
18102 visible, and some states have now a different number.
18104 2001-12-29 Akim Demaille <akim@epita.fr>
18106 * src/reader.c (readgram): Bind the initial rule's lineno to that
18108 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
18109 (Solved SR Conflicts): Adjust rule 0's line number.
18111 2001-12-29 Akim Demaille <akim@epita.fr>
18113 Fix the `GAWK Grammar' failure.
18115 * src/LR0.c (final_state): Initialize to -1 so that we do compute
18116 the reductions of the first state which was mistakenly confused
18117 with the final state because precisely final_state was initialized
18119 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
18120 now noticed by Bison.
18121 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
18122 have a reduction on $default.
18124 2001-12-29 Akim Demaille <akim@epita.fr>
18126 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
18128 * src/closure.c (print_closure): Likewise.
18129 * src/derives.c (print_derives): Likewise.
18130 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
18133 2001-12-29 Akim Demaille <akim@epita.fr>
18135 * src/lalr.c (lookaheads_print): New.
18136 (lalr): Call it when --trace-flag.
18137 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
18140 2001-12-29 Akim Demaille <akim@epita.fr>
18142 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
18143 when walking through ritem, even via rule->rhs.
18144 * src/reduce.c (dump_grammar, useful_production, reduce_output)
18145 (useful_production, useless_nonterminals): Likewise.
18146 (reduce_grammar_tables): Likewise, plus update nritems.
18147 * src/nullable.c (set_nullable): Likewise.
18148 * src/lalr.c (build_relations): Likewise.
18149 * tests/sets.at (Nullable): Adjust.
18150 Fortunately, now, the $axiom is no longer nullable.
18152 2001-12-29 Akim Demaille <akim@epita.fr>
18154 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
18156 * src/gram.c (ritem_longest_rhs): Likewise.
18157 * src/reduce.c (nonterminals_reduce): Likewise.
18158 * src/print_graph.c (print_graph): Likewise.
18159 * src/output.c (output_rule_data): Likewise.
18160 * src/nullable.c (set_nullable): Likewise.
18162 2001-12-29 Akim Demaille <akim@epita.fr>
18164 * src/output.c: Comment changes.
18166 2001-12-27 Paul Eggert <eggert@twinsun.com>
18168 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
18169 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
18170 Sparc, as they were causing more porting problems than the
18171 (minor) performance improvement was worth.
18173 Also, catch up with 1.31's YYSTD.
18175 2001-12-27 Akim Demaille <akim@epita.fr>
18177 * src/output.c (output_gram): Rely on nritems, not the
18178 0-sentinel. See below.
18179 Use -1 as separator, not 0.
18180 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
18181 Rely on -1 as separator in yyrhs, instead of 0.
18182 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
18183 twice `Now at end of input', therefore there are two lines less to
18186 2001-12-27 Akim Demaille <akim@epita.fr>
18188 * tests/regression.at (Unresolved SR Conflicts):
18189 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
18192 2001-12-27 Akim Demaille <akim@epita.fr>
18194 * src/LR0.c (new_state): Recognize the final state by the fact it
18195 is reached by eoftoken.
18196 (insert_start_shifting_state, insert_eof_shifting_state)
18197 (insert_accepting_state, augment_automaton): Remove, since now
18198 these states are automatically computed from the initial state.
18199 (generate_states): Adjust.
18200 * src/print.c: When reporting a rule number to the user, substract
18201 1, so that the axiom rule is rule 0, and the first user rule is 1.
18202 * src/reduce.c: Likewise.
18203 * src/print_graph.c (print_core): For the time being, just as for
18204 the report, depend upon --trace-flags to dump the full set of
18206 * src/reader.c (readgram): Once the grammar read, insert the rule
18207 0: `$axiom: START-SYMBOL $'.
18208 * tests/set.at: Adjust: rule 0 is now displayed, and since the
18209 number of the states has changed (the final state is no longer
18210 necessarily the last), catch up.
18212 2001-12-27 Akim Demaille <akim@epita.fr>
18214 Try to make the use of the eoftoken valid. Given that its value
18215 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
18216 is used instead of > 0 where appropriate, (ii), depend upon nritems
18217 instead of the 0-sentinel.
18219 * src/gram.h, src/gram.c (nritems): New.
18220 Expected to be duplication of nitems, but for the time being...
18221 * src/reader.c (packgram): Assert nritems and nitems are equal.
18222 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
18223 * src/closure.c (print_closure, print_fderives): Likewise.
18224 * src/gram.c (ritem_print): Likewise.
18225 * src/print.c (print_core, print_grammar): Likewise.
18226 * src/print_graph.c: Likewise.
18228 2001-12-27 Akim Demaille <akim@epita.fr>
18230 * src/main.c (main): If there are complains after grammar
18231 reductions, then output the report anyway if requested, then die.
18232 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
18233 * src/reader.c (eoftoken): New.
18234 (parse_token_decl): If the token being defined has value `0', it
18236 (packsymbols): No longer hack `tags' to insert `$' by hand.
18237 Be sure to preserve the value of the eoftoken.
18238 (reader): Make sure eoftoken is defined.
18239 Initialize nsyms to 0: now eoftoken is created just like the others.
18240 * src/print.c (print_grammar): Don't special case the eof token.
18241 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
18242 lie anyway, albeit pleasant.
18243 * tests/calc.at: Exercise error messages with eoftoken.
18244 Change the grammar so that empty input is invalid.
18245 Adjust expectations.
18246 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
18248 2001-12-27 Akim Demaille <akim@epita.fr>
18250 * configure.in: Check the protos of strchr ans strspn.
18251 Replace strchr if needed.
18252 * src/system.h: Provide the protos of strchr, strspn and memchr if
18254 * lib/strchr.c: New.
18255 * src/reader.c (symbols_save): Use strchr.
18257 2001-12-27 Akim Demaille <akim@epita.fr>
18259 * src/print.c, src/print_graph.c (escape): New.
18260 Use it to quote the TAGS outputs.
18261 * src/print_graph.c (print_state): Now errors are in red, and
18262 reductions in green.
18263 Prefer high to wide: output the state number on a line of its own.
18265 2001-12-27 Akim Demaille <akim@epita.fr>
18267 * src/state.h, src/state.c (reductions_new): New.
18268 * src/LR0.c (set_state_table): Let all the states have a
18269 `reductions', even if reduced to 0.
18270 (save_reductions): Adjust.
18271 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
18272 * src/print.c (print_reductions, print_actions): Adjust.
18273 * src/output.c (action_row): Adjust.
18275 2001-12-27 Akim Demaille <akim@epita.fr>
18277 * src/state.h, src/state.c (errs_new, errs_dup): New.
18278 * src/LR0.c (set_state_table): Let all the states have an errs,
18279 even if reduced to 0.
18280 * src/print.c (print_errs, print_reductions): Adjust.
18281 * src/output.c (output_actions, action_row): Adjust.
18282 * src/conflicts.c (resolve_sr_conflict): Adjust.
18284 2001-12-27 Akim Demaille <akim@epita.fr>
18286 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
18288 2001-12-27 Akim Demaille <akim@epita.fr>
18290 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
18291 * src/print.c: here.
18292 (lookaheadset, shiftset): New, used as additional storage by
18294 (print_results): Adjust.
18295 (print_shifts, print_gotos, print_errs): New, extracted from...
18296 (print_actions): here.
18297 * src/print_graph.c (print_actions): Remove dead code.
18299 2001-12-27 Akim Demaille <akim@epita.fr>
18301 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
18304 2001-12-27 Akim Demaille <akim@epita.fr>
18306 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
18307 (build_relations): Adjust.
18309 2001-12-27 Akim Demaille <akim@epita.fr>
18311 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
18314 2001-12-27 Akim Demaille <akim@epita.fr>
18316 * src/reader.c (packgram): Catch nitems overflows.
18318 2001-12-27 Akim Demaille <akim@epita.fr>
18320 * src/files.c, src/files.h (guard_obstack): Remove.
18321 * src/output.c (output): Adjust.
18322 * src/reader.c (parse_braces): New, factoring...
18323 (copy_action, copy_guard): these two which are renamed as...
18324 (parse_action, parse_guard): these.
18325 As a voluntary consequence, using braces around guards is now
18328 2001-12-27 Akim Demaille <akim@epita.fr>
18330 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
18331 * src/reader.c (symbol_list): `guard' and `guard_line' are new
18333 (symbol_list_new): Adjust.
18334 (copy_action): action_line is the first line, not the last.
18335 (copy_guard): Just as for actions, store the `action' only, not
18336 the switch/case/break flesh.
18337 Don't parse the user action that might follow the guard, let...
18338 (readgram): do it, i.e., now, there can be an action after a
18340 In other words the guard is just explicitly optional.
18341 (packgram): Adjust.
18342 * src/output.c (guards_output): New.
18343 (output_parser): Call it when needed.
18344 (output): Also free the guard and attrs obstacks.
18345 * src/files.c, src/files.h (obstack_save): Remove.
18346 (output_files): Remove.
18347 As a result, if one needs the former `.act' file, using an
18348 appropriate skeleton which requires actions and guards is now
18350 * src/main.c (main): Adjust.
18351 * tests/semantic.at: New.
18352 * tests/regression.at: Use `input.y' as input file name.
18353 Avoid 8+3 problems by requiring input.c when the test needs the
18356 2001-12-27 Akim Demaille <akim@epita.fr>
18358 * src/reader.c (symbol_list_new): Be sure to initialize all the
18361 2001-12-27 Akim Demaille <akim@epita.fr>
18363 All the hacks using a final pseudo state are now useless.
18365 * src/LR0.c (set_state_table): state_table holds exactly nstates.
18366 * src/lalr.c (nLA): New.
18367 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
18368 instead of lookaheadsp from the pseudo state (nstate + 1).
18370 2001-12-27 Akim Demaille <akim@epita.fr>
18372 * src/output.c (action_row, token_actions): Use a state_t instead
18373 of a integer, and nlookaheads instead of the following state's
18376 2001-12-27 Akim Demaille <akim@epita.fr>
18378 * src/conflicts.c (log_resolution, flush_shift)
18379 (resolve_sr_conflict, set_conflicts, solve_conflicts)
18380 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
18381 (conflicts_print, print_reductions): Use a state_t instead of an
18382 integer when referring to a state.
18383 As much as possible, depend upon nlookaheads, instead of the
18384 `lookaheadsp' member of the following state (since lookaheads of
18385 successive states are successive, the difference between state n + 1
18386 and n served as the number of lookaheads for state n).
18387 * src/lalr.c (add_lookback_edge): Likewise.
18388 * src/print.c (print_core, print_actions, print_state)
18389 (print_results): Likewise.
18390 * src/print_graph.c (print_core, print_actions, print_state)
18391 (print_graph): Likewise.
18392 * src/conflicts.h: Adjust.
18394 2001-12-27 Akim Demaille <akim@epita.fr>
18396 * src/bison.hairy: Formatting/comment changes.
18398 Remove `register' indications.
18399 Add plenty of `static'.
18401 2001-12-27 Akim Demaille <akim@epita.fr>
18403 * src/output.c (prepare): Drop the muscle `ntbase' which
18404 duplicates ntokens.
18405 * src/bison.simple: Formatting/comment changes.
18406 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
18407 is an undocumented synonym.
18409 2001-12-22 Akim Demaille <akim@epita.fr>
18411 * src/output.c (output_table_data): Change the prototype to use
18412 `int' for array ranges: some invocations do pass an int, not a
18414 Reported by Wayne Green.
18416 2001-12-22 Akim Demaille <akim@epita.fr>
18418 Some actions of web2c.y are improperly triggered.
18419 Reported by Mike Castle.
18421 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
18422 * tests/regression.at (Web2c): Rename as...
18423 (Web2c Report): this.
18424 (Web2c Actions): New.
18426 2001-12-22 Akim Demaille <akim@epita.fr>
18428 Reductions in web2c.y are improperly reported.
18429 Reported by Mike Castle.
18431 * src/conflicts.c (print_reductions): Fix.
18432 * tests/regression.at (Web2c): New.
18434 2001-12-18 Akim Demaille <akim@epita.fr>
18436 Some host fail on `assert (!"foo")', which expands to
18437 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
18438 Reported by Nelson Beebee.
18440 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
18441 `#define it_succeeded 0' and `assert (it_succeeded)'.
18443 2001-12-17 Marc Autret <autret_m@epita.fr>
18445 * src/bison.simple: Don't hard code the skeleton line and filename.
18446 * src/output.c (output_parser): Rename 'line' as 'output_line'.
18447 New line counter 'skeleton_line' (skeleton-line muscle).
18449 2001-12-17 Paul Eggert <eggert@twinsun.com>
18451 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
18452 YYDEBUG must be defined to a nonzero value.
18454 * src/bison.simple (yytname): Do not assume that the user defines
18455 YYDEBUG to a properly parenthesized expression.
18457 2001-12-17 Akim Demaille <akim@epita.fr>
18459 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
18460 nlookaheads is a new member.
18462 * src/lalr.h (nlookaheads): Remove this orphan declaration.
18463 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
18466 2001-12-17 Akim Demaille <akim@epita.fr>
18468 * src/files.h, src/files.c (open_files, close_files): Remove.
18469 * src/main.c (main): Don't open/close files, nor invoke lex_free,
18471 * src/reader.c (reader): Do it.
18473 2001-12-17 Akim Demaille <akim@epita.fr>
18475 * src/conflicts.c (print_reductions): Formatting changes.
18477 2001-12-17 Akim Demaille <akim@epita.fr>
18479 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
18480 (flush_reduce): New.
18481 (resolve_sr_conflict): Adjust.
18483 2001-12-17 Akim Demaille <akim@epita.fr>
18485 * src/output.c (output_obstack): Be static and rename as...
18486 (format_obstack): this, to avoid any confusion with files.c's
18488 * src/reader.h (muscle_obstack): Move to...
18489 * src/output.h: here, since it's defined in output.c.
18491 2001-12-17 Akim Demaille <akim@epita.fr>
18493 * src/output.c (action_row, save_column, default_goto)
18494 (sort_actions, matching_state, pack_vector): Better variable
18497 2001-12-17 Akim Demaille <akim@epita.fr>
18499 * src/output.c: Various formatting changes.
18501 2001-12-17 Akim Demaille <akim@epita.fr>
18503 * src/files.c (output_files): Free the output_obstack.
18504 * src/main.c (main): Call print and print_graph conditionally.
18505 * src/print.c (print): Work unconditionally.
18506 * src/print_graph.c (print_graph): Work unconditionally.
18507 * src/conflicts.c (log_resolution): Output only if verbose_flag.
18509 2001-12-16 Marc Autret <autret_m@epita.fr>
18511 * src/output.c (actions_output): Fix. When we use %no-lines,
18512 there is one less line per action.
18514 2001-12-16 Marc Autret <autret_m@epita.fr>
18516 * src/bison.simple: Remove a useless #line directive.
18517 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
18518 * src/output.c (get_lines_number): New.
18519 (output_parser): Adjust, now takes care about the lines of a
18521 Fix line numbering.
18522 (actions_output): Computes the number of lines taken by actions.
18523 (output_master_parser): Insert new skeleton which is the name of
18524 the output parser file name.
18526 2001-12-15 Marc Autret <autret_m@epita.fr>
18528 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
18530 2001-12-15 Marc Autret <autret_m@epita.fr>
18532 * src/output.c (output_gram): Keep track of the hairy one.
18534 2001-12-15 Akim Demaille <akim@epita.fr>
18536 Make `make distcheck' work.
18538 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
18539 system.h which uses libgettext.h.
18541 2001-12-15 Akim Demaille <akim@epita.fr>
18543 * src/nullable.c (set_nullable): Useless rules must be skipped,
18544 otherwise, since we range over their symbols, we might look at a
18545 nonterminal which no longer ``exists'', i.e., it is not counted in
18546 `nvars', hence we overflow our arrays.
18548 2001-12-15 Akim Demaille <akim@epita.fr>
18550 The header can also be produced directly, without any obstack!
18553 * src/files.c, src/files.h (defines_obstack): Remove.
18554 (compute_header_macro): Global.
18555 (defines_obstack_save): Remove.
18556 * src/reader.c (parse_union_decl): No longer output to
18557 defines_obstack: its content can be found in the `stype' muscle
18559 (output_token_translations): Merge into...
18560 (symbols_output): this.
18562 (symbols_save): this.
18564 * src/output.c (header_output): New.
18567 2001-12-15 Akim Demaille <akim@epita.fr>
18569 * src/reader.c (parse_union_decl): Instead of handling two obstack
18570 simultaneously, use one to define the `stype' muscle, and use the
18571 value of the latter to fill defines_obstack.
18572 (copy_comment): Remove.
18573 (copy_comment2): Work for a single obstack.
18575 (copy_comment): this.
18577 2001-12-15 Akim Demaille <akim@epita.fr>
18579 * src/lex.c, src/lex.h (xgetc): No longer static.
18580 * src/reader.c (parse_union_decl): Revamp.
18582 2001-12-15 Akim Demaille <akim@epita.fr>
18584 Still making progress in separating Bison into (i) input, (ii)
18585 process, (iii) output: now we can directly output the parser file
18586 without using table_obstack at all.
18588 * src/files.c, src/files.h (table_obstack): Bye bye.
18589 (parser_file_name): New.
18590 * src/files.c (compute_output_file_names): Compute it.
18591 * src/output.c (actions_output, output_parser)
18592 (output_master_parser): To a file instead of an obstack.
18594 2001-12-15 Akim Demaille <akim@epita.fr>
18596 Attach actions to rules, instead of pre-outputting them to
18599 * src/gram.h (rule_t): action and action_line are new members.
18600 * src/reader.c (symbol_list): Likewise.
18601 (copy_action): Save the actions within the rule.
18602 (packgram): Save them in rule_table.
18603 * src/output.c (actions_output): New.
18604 (output_parser): Use it on `%%actions'.
18605 (output_rule_data): Don't free rule_table.
18607 (prepare): Don't save the `action' muscle.
18608 * src/bison.simple: s/%%action/%%actions/.
18610 2001-12-15 Akim Demaille <akim@epita.fr>
18612 * src/reader.c (copy_action): When --yacc, don't append a `;'
18613 to the user action: let it fail if lacking.
18614 Suggested by Arnold Robbins and Tom Tromey.
18616 2001-12-14 Akim Demaille <akim@epita.fr>
18618 * src/lex.c (literalchar): Simply return the char you decoded, non
18619 longer mess around with obstacks and int pointers.
18620 Adjust all callers.
18622 2001-12-14 Akim Demaille <akim@epita.fr>
18624 * src/lex.c (literalchar): Don't escape the special characters,
18625 just decode them, and keep them as char (before, eol was output as
18626 the 2 char string `\n' etc.).
18627 * src/output.c (output_rule_data): Use quotearg to output the
18630 2001-12-13 Paul Eggert <eggert@twinsun.com>
18632 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
18633 Do not infringe on the global user namespace when using C++.
18634 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
18635 All uses of `fprintf' and `stderr' changed.
18637 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
18639 2001-12-13 Akim Demaille <akim@epita.fr>
18641 The computation of nullable is broken: it doesn't handle empty
18644 * tests/torture.at (GNU AWK Grammar): New.
18645 * tests/sets.at (Nullable): New.
18646 * src/nullable.c (set_nullable): Instead of blindly looping over
18647 `ritems', loop over the rules, and then over their rhs's.
18649 Work around Autotest bugs.
18651 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
18652 frame, because Autotest understand lines starting with a `+' as
18653 traces from the shell. Then, they are not processed properly.
18654 Admittedly an Autotest bug, but we don't have time to wait for
18655 Autotest to catch up.
18656 * tests/regression.at (Broken Closure): Adjust to the new table
18659 * tests/sets.at: here.
18661 2001-12-13 Akim Demaille <akim@epita.fr>
18663 * src/closure.c (closure): Use nrules instead of playing tricks
18664 with BITS_PER_WORD.
18666 2001-12-13 Akim Demaille <akim@epita.fr>
18668 * src/print.c (print_actions): Output the handling of `$' as the
18669 traces do: shifting the token EOF. Before EOF was treated as a
18671 * tests/regression.at: Adjust some tests.
18672 * src/print_graph.c (print_core): Complete the set of items via
18673 closure. The next-to-final and final states are still unsatisfying,
18674 but that's to be addressed elsewhere.
18675 No longer output the rule numbers, but do output the state number.
18676 A single loop for the shifts + gotos is enough, but picked a
18677 distinct color for each.
18678 (print_graph): Initialize and finalize closure.
18680 2001-12-13 Akim Demaille <akim@epita.fr>
18682 * src/reader.c (readgram): Remove dead code, an strip useless
18684 (get_type): Remove, unused.
18686 2001-12-12 Akim Demaille <akim@epita.fr>
18688 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
18689 on that of lib/error.c.
18691 2001-12-12 Akim Demaille <akim@epita.fr>
18693 Some hosts don't like `/' in includes.
18695 * src/system.h: Include libgettext.h without qualifying the path.
18696 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
18699 2001-12-11 Marc Autret <autret_m@epita.fr>
18701 * src/output.c (output_parser): Remove useless muscle.
18703 2001-12-11 Marc Autret <autret_m@epita.fr>
18705 * src/bison.simple: Remove #line just before %%epilogue. It
18706 is now handled in ...
18707 * src/reader.c (read_additionnal_code): Add the output of a
18708 #line for the epilogue.
18710 2001-12-10 Marc Autret <autret_m@epita.fr>
18712 * src/reader.c (copy_definition): Re-use CPP-outed code which
18713 replace precedent remove.
18714 * src/bison.simple: Remove #line before %%prologue because
18715 %%input-line is wrong at this time.
18717 2001-12-10 Marc Autret <autret_m@epita.fr>
18719 * src/reader.c (symbols_output): Clean up.
18720 * src/output.c (output_gram, output): Clean up.
18722 2001-12-10 Akim Demaille <akim@epita.fr>
18724 * src/lalr.c (initialize_lookaheads): New. Extracted from...
18725 * src/LR0.c (set_state_table): here.
18726 * src/lalr.c (lalr): Call it.
18728 2001-12-10 Akim Demaille <akim@epita.fr>
18730 * src/state.h (shifts): Remove the `number' member: shifts are
18731 attached to state, hence no longer need to be labelled with a
18734 2001-12-10 Akim Demaille <akim@epita.fr>
18736 Now that states have a complete set of members, the linked list of
18737 shifts is useless: just fill directly the state's shifts member.
18739 * src/state.h (shifts): Remove the `next' member.
18740 * src/LR0.c (first_state, last_state): Remove.
18741 Adjust the callers.
18742 (augment_automaton): Don't look for the shifts that must be added
18743 a shift on EOF: it is those of the state we looked for! But now,
18744 since shifts are attached, it is no longer needed to looking
18745 merely by its id: its number.
18747 2001-12-10 Akim Demaille <akim@epita.fr>
18749 * src/LR0.c (augment_automaton): Better variable locality.
18750 Remove an impossible branch: if there is a state corresponding to
18751 the start symbol being shifted, then there is shift for the start
18752 symbol from the initial state.
18754 2001-12-10 Akim Demaille <akim@epita.fr>
18756 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
18757 only when appropriate: when insert_start_shifting_state' is not
18759 * tests/regression.at (Rule Line Numbers): Adjust.
18761 2001-12-10 Akim Demaille <akim@epita.fr>
18763 * src/LR0.c (augment_automaton): Now that all states have shifts,
18764 merge the two cases addition shifts to the initial state.
18766 2001-12-10 Akim Demaille <akim@epita.fr>
18768 * src/lalr.c (set_state_table): Move to...
18770 * src/lalr.c (lalr): Don't call it...
18771 * src/LR0.c (generate_states): do it.
18772 * src/LR0.h (first_state): Remove, only the table is used.
18774 2001-12-10 Akim Demaille <akim@epita.fr>
18776 * src/LR0.h (first_shift, first_reduction): Remove.
18777 * src/lalr.c: Don't use first_shift: find shifts through the
18780 2001-12-10 Akim Demaille <akim@epita.fr>
18782 * src/LR0.c: Attach shifts to states as soon as they are
18784 * src/lalr.c (set_state_table): Instead of assigning shifts to
18785 state, just assert that the mapping was properly done.
18787 2001-12-10 Akim Demaille <akim@epita.fr>
18789 * src/LR0.c (insert_start_shift): Rename as...
18790 (insert_start_shifting_state): this.
18791 (insert_eof_shifting_state, insert_accepting_state): New.
18792 (augment_automaton): Adjust.
18793 Better locality of the variables.
18794 When looking if the start_symbol is shifted from the initial
18795 state, using `while (... symbol != start_symbol ...)' sounds
18796 better than `while (... symbol < start_symbol ...)': If fail
18797 to see how the order between symbols could be relevant!
18799 2001-12-10 Akim Demaille <akim@epita.fr>
18801 * src/getargs.h: Don't declare `spec_name_prefix' and
18802 `spec_file_prefix', declared by src/files.h.
18803 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
18804 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
18805 * src/output.c (prepare): Adjust.
18806 * src/reader.c (symbols_output): Likewise.
18807 * src/vmsgetargs.c: Vaguely adjust, but who cares?
18809 2001-12-10 Akim Demaille <akim@epita.fr>
18811 * src/muscle_tab.c (muscle_init): NULL is a better default than
18814 2001-12-10 Akim Demaille <akim@epita.fr>
18816 * src/reader.c (reader): Calling symbols_output once is enough.
18818 2001-12-10 Akim Demaille <akim@epita.fr>
18820 Now that states have a complete set of members, the linked list of
18821 reductions is useless: just fill directly the state's reductions
18824 * src/state.h (struct reductions): Remove member `number' and
18826 * src/LR0.c (first_reduction, last_reduction): Remove.
18827 (save_reductions): Don't link the new reductions, store them in
18829 * src/lalr.c (set_state_table): No need to attach reductions to
18830 states, it's already done.
18831 * src/output.c (output_actions): No longer free the shifts, then
18832 the reductions, then the states: free all the states and their
18835 2001-12-10 Akim Demaille <akim@epita.fr>
18837 * src/options.c (OPTN, DRTV, BOTH): New.
18838 (option_table): Use them.
18840 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
18841 the job of system.h.
18842 * src/options.c: Don't include stdio.h and xalloc.h for the same
18845 2001-12-10 Akim Demaille <akim@epita.fr>
18847 * src/output.c (output, prepare): Make sure the values of the
18848 muscles `action' and `prologue' are 0-terminated.
18850 2001-12-10 Akim Demaille <akim@epita.fr>
18852 Clean up GCC warnings.
18854 * src/reader.c (copy_action): `buf' is not used.
18855 (parse_skel_decl): Be static.
18856 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
18857 * src/options.h (create_long_option_table): Have a real prototype.
18858 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
18859 (hash_delete_at): Return const void *.
18860 Adjust casts to preserve the const.
18862 2001-12-10 Akim Demaille <akim@epita.fr>
18864 * configure.in: Require 2.52g.
18865 M4 is not needed, but AUTOM4TE is.
18866 * m4/m4.m4: Remove.
18867 * tests/Makefile.am: Adjust.
18869 2001-12-10 Akim Demaille <akim@epita.fr>
18871 One structure for states is enough, even though theoretically
18872 there are LR(0) states and LALR(1) states.
18874 * src/lalr.h (state_t): Remove.
18875 (state_table): Be state_t **, not state_t *.
18876 * src/state.h (core, CORE_ALLOC): Rename as...
18877 (state_t, STATE_ALLOC): this.
18878 Add the LALR(1) members: shifts, reductions, errs.
18879 * src/LR0.c (state_table): Rename as...
18880 (state_hash): this, to avoid name clashes with the global
18882 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
18883 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
18885 2001-12-10 Akim Demaille <akim@epita.fr>
18887 Bison dumps core on bash.y.
18888 Reported by Pascal Bart.
18890 * src/warshall.c (bitmatrix_print): New.
18892 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
18893 j must be the outer loop.
18894 * tests/regression.at (Broken Closure): New.
18896 2001-12-05 Akim Demaille <akim@epita.fr>
18898 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
18900 Reported by Peter Hamorsky.
18902 2001-12-05 Akim Demaille <akim@epita.fr>
18904 * src/conflicts.c (err_table): Remove.
18905 (resolve_sr_conflict): Adjust.
18906 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
18908 (state_t.reductions, state_t.shifts): this.
18910 2001-12-05 Akim Demaille <akim@epita.fr>
18912 * src/reduce.c (reduce_grammar_tables): No longer disable the
18913 removal of useless rules via CPP but via `if (0)', so that the
18914 compiler still check the code is valid.
18915 For instance, it should have noticed `rline' no longer exists: use
18916 the `line' member of rule_t.
18917 * src/gram.c (dummy, rline): Remove, unused.
18919 2001-12-05 Akim Demaille <akim@epita.fr>
18921 * src/output.c (pack_vector): Use assert, not berror.
18922 * src/main.c (berror): Remove, unused.
18924 2001-12-05 Akim Demaille <akim@epita.fr>
18926 New experimental feature: if --verbose --trace output all the
18927 items of a state, not only its kernel.
18929 * src/print.c (print_core): If `trace_flag', then invoke closure
18930 before outputting the items of the state (print_core is no longer
18931 a correct name them).
18932 (print_results): Invoke new_closure/free_closure if needed.
18934 2001-12-05 Akim Demaille <akim@epita.fr>
18936 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
18937 * src/closure.c, src/closure.h (itemsetsize): Rename as...
18938 (nitemset): for consistency with the rest of the project.
18940 2001-12-05 Akim Demaille <akim@epita.fr>
18942 * src/closure.c (print_closure): Improve.
18943 (closure): Use it for printing input and output.
18945 2001-12-05 Akim Demaille <akim@epita.fr>
18947 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
18948 indexed by nonterminals.
18950 2001-12-05 Akim Demaille <akim@epita.fr>
18952 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
18954 * src/warshall.h: Remove accidental duplication of the content.
18956 2001-12-05 Akim Demaille <akim@epita.fr>
18958 * src/closure.c (set_fderives): De-obfuscate.
18960 2001-12-05 Akim Demaille <akim@epita.fr>
18962 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
18964 2001-12-05 Akim Demaille <akim@epita.fr>
18966 * src/closure.c (set_firsts): De-obfuscate.
18968 2001-12-05 Akim Demaille <akim@epita.fr>
18970 * src/output.c (action_row): De-obfuscate
18971 using the good o' techniques: arrays not pointers, variable
18972 locality, BITISSET, RESETBIT etc.
18974 2001-12-05 Akim Demaille <akim@epita.fr>
18976 Pessimize the code to simplify it: from now on, all the states
18977 have a valid SHIFTS, which NSHIFTS is possibly 0.
18979 * src/LR0.c (shifts_new): Be global and move to..
18980 * src/state.c, src/state.h: here.
18981 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
18982 * src/print_graph: Adjust.
18984 2001-12-05 Akim Demaille <akim@epita.fr>
18986 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
18987 * src/conflicts.c: Use it.
18988 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
18989 incorrectly ``simplified''.
18991 2001-12-05 Akim Demaille <akim@epita.fr>
18993 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
18994 using the good o' techniques: arrays not pointers, variable
18995 locality, BITISSET, RESETBIT etc.
18997 2001-12-05 Akim Demaille <akim@epita.fr>
18999 * src/state.h (SHIFT_SYMBOL): New.
19000 * src/conflicts.c: Use it to deobfuscate.
19002 2001-12-05 Akim Demaille <akim@epita.fr>
19004 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
19005 (print_reductions): De-obfuscate using the good o' techniques:
19006 arrays not pointers, variable locality, BITISSET.
19008 2001-12-05 Akim Demaille <akim@epita.fr>
19010 * src/conflicts.c (print_reductions): Arrays, not pointers.
19013 2001-12-05 Akim Demaille <akim@epita.fr>
19015 * src/conflicts.c (print_reductions): Pessimize, but clarify.
19017 2001-12-05 Akim Demaille <akim@epita.fr>
19019 * src/conflicts.c (print_reductions): Improve variable locality.
19021 2001-12-05 Akim Demaille <akim@epita.fr>
19023 * src/conflicts.c (print_reductions): Pessimize, but clarify.
19025 2001-12-05 Akim Demaille <akim@epita.fr>
19027 * src/conflicts.c (print_reductions): Improve variable locality.
19029 2001-12-05 Akim Demaille <akim@epita.fr>
19031 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
19032 * src/lalr.c: Use them.
19034 2001-12-05 Akim Demaille <akim@epita.fr>
19036 * src/LR0.c (augment_automaton): Formatting changes.
19037 Better variable locality.
19039 2001-12-05 Akim Demaille <akim@epita.fr>
19041 * src/lalr.c (matrix_print): New.
19042 (transpose): Use it.
19043 Use arrays instead of pointers.
19045 2001-12-05 Akim Demaille <akim@epita.fr>
19047 * src/lalr.c (maxrhs): Move to...
19048 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
19049 * src/lalr.c (build_relations): Adjust.
19051 2001-12-05 Akim Demaille <akim@epita.fr>
19053 * src/lalr.c (transpose): Free the memory allocated to the
19054 argument, as it is replaced by the results by the unique caller.
19055 (build_relations): Merely invoke transpose: it handles the memory
19057 Improve variable locality.
19058 Avoid variables used as mere abbreviations.
19059 (compute_lookaheads): Use arrays instead of pointers.
19061 2001-12-05 Akim Demaille <akim@epita.fr>
19063 * src/lalr.c (initialize_F): Improve variable locality.
19064 Avoid variables used as mere abbreviations.
19066 2001-12-05 Akim Demaille <akim@epita.fr>
19068 * src/derives.c (print_derives): Display the ruleno.
19069 * src/lalr.c (initialize_F, transpose): Better variable locality
19070 to improve readability.
19071 Avoid variables used as mere abbreviations.
19073 2001-12-05 Akim Demaille <akim@epita.fr>
19075 * src/lalr.c (traverse): Use arrays instead of pointers.
19077 2001-12-05 Akim Demaille <akim@epita.fr>
19079 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
19080 the handling of squeue.
19081 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19083 2001-12-05 Akim Demaille <akim@epita.fr>
19085 Because useless nonterminals are now kept alive (instead of being
19086 `destroyed'), we now sometimes examine them, and store information
19087 related to them. Hence we need to know their number, and adjust
19088 memory allocations.
19090 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
19092 * src/LR0.c (allocate_itemsets): The memory allocated to
19093 `symbol_count' was used for two different purpose: once to count
19094 the number of occurrences of each symbol, and later reassigned to
19095 `shift_symbol', containing the symbol that can be shifted from a
19097 Deobfuscate, i.e., allocate, use and free `symbol_count' here
19099 (new_itemsets): Allocate `shift_symbol' here.
19100 (allocate_itemsets): symbol_count includes useless nonterminals.
19101 Make room for them.
19102 (free_storage): Use `free', not `XFREE', for pointers that cannot
19105 2001-12-05 Akim Demaille <akim@epita.fr>
19107 * src/nullable.c (set_nullable): Deobfuscate the handling of
19109 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19111 2001-12-05 Akim Demaille <akim@epita.fr>
19113 * src/gram.c, src/gram.h (ritem_print): New.
19114 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
19115 (This useless function was defined only to work around VMS linkers
19116 that can't handle compilation units with variables only).
19117 * src/reduce.c (dump_grammar): Use it to trace the construction of
19120 2001-12-04 Paul Eggert <eggert@twinsun.com>
19122 * src/bison.simple (union yyalloc): Change member names
19123 to be the same as the stack names.
19124 (yyparse): yyptr is now union yyalloc *, not char *.
19125 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
19126 and may generate better code on some machines.
19127 (yystpcpy): Use prototype if __STDC__ is defined, not just
19128 if __cplusplus is defined.
19130 2001-11-30 Akim Demaille <akim@epita.fr>
19132 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
19133 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
19134 Gettext doesn't compile cleanly, and dies with -Werror.
19135 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
19136 Include WARNING_CFLAGS here.
19137 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
19138 before being defined.
19140 2001-11-27 Paul Eggert <eggert@twinsun.com>
19142 * lib/quotearg.h (quotearg_n, quotearg_n_style):
19143 First arg is int, not unsigned.
19144 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
19145 (SIZE_MAX, UINT_MAX): New macros.
19146 (quotearg_n_options): Abort if N is negative.
19147 Avoid overflow check on hosts where size_t is 64 bits and int
19148 is 32 bits, as overflow is impossible there.
19149 Fix off-by-one typo that caused unnecessary reallocation.
19151 2001-11-29 Paul Eggert <eggert@twinsun.com>
19153 Name space cleanup in generated parser.
19155 * doc/bison.texinfo (Bison Parser): Discuss system headers
19156 and their effect on the user name space.
19158 * src/bison.simple:
19159 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
19160 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
19161 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
19163 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
19164 on user names when possible.
19166 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
19167 Simplify test for whather <alloca.h> exists.
19169 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
19171 (<stdio.h>): Include if YYDEBUG.
19173 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
19174 ! defined (yyoverflow) && ! defined (yymemcpy).
19176 (yymemcpy, yyparse): Rename local variables as needed so that
19177 they all begin with 'yy'.
19179 (yystrlen, yystpcpy): New functions.
19181 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
19184 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
19185 instead of relying on string.h functions. Use YYSTACK_ALLOC
19186 and YYSTACK_FREE instead of malloc and free.
19188 2001-11-30 Akim Demaille <akim@epita.fr>
19190 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
19191 before their first uses.
19192 (YYBISON, YYPURE): Move to the top of the output.
19194 2001-11-30 Akim Demaille <akim@epita.fr>
19196 * tests/reduce.at (Useless Nonterminals): Fix.
19198 2001-11-30 Akim Demaille <akim@epita.fr>
19200 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
19201 if body instead of `;' to pacify GCC's warnings.
19203 2001-11-30 Akim Demaille <akim@epita.fr>
19205 Instead of mapping the LHS of unused rules to -1, keep the LHS
19206 valid, but flag the rules as invalid.
19208 * src/gram.h (rule_t): `useful' is a new member.
19209 * src/print.c (print_grammar): Adjust.
19210 * src/derives.c (set_derives): Likewise.
19211 * src/reader.c (packgram, reduce_output): Likewise.
19212 * src/reduce.c (reduce_grammar_tables): Likewise.
19213 * tests/reduce.at (Underivable Rules, Useless Rules): New.
19215 2001-11-30 Akim Demaille <akim@epita.fr>
19217 * src/reduce.c (reduce_output): Formatting changes.
19218 * src/print.c (print_results, print_grammar): Likewise.
19219 * tests/regression.at (Rule Line Numbers)
19220 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
19222 2001-11-30 Akim Demaille <akim@epita.fr>
19224 * src/reduce.c (nonterminals_reduce): Instead of throwing away
19225 useless nonterminals, move them at the end of the symbol arrays.
19226 (reduce_output): Adjust.
19227 * tests/reduce.at (Useless Nonterminals): Adjust.
19229 2001-11-30 Akim Demaille <akim@epita.fr>
19231 * src/reduce.c: Various comment/formatting changes.
19232 (nonterminals_reduce): New, extracted from...
19233 (reduce_grammar_tables): here.
19234 (reduce_grammar): Call nonterminals_reduce.
19236 2001-11-29 Paul Eggert <eggert@twinsun.com>
19238 * src/bison.simple (YYSTACK_REALLOC): Remove.
19239 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
19240 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
19242 (union yyalloc): New type.
19243 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
19244 an arbitrary restriction on hosts where size_t is wider than int.
19246 (yyparse): Don't dump core if alloca or malloc fails; instead, report
19247 a parser stack overflow. Allocate just one block of memory for all
19248 three stacks, instead of allocating three blocks; this typically is
19249 faster and reduces fragmentation.
19251 Do not limit the number of items in the stack to a value that fits
19252 in 'int', as this is an arbitrary limit on hosts with 64-bit
19253 size_t and 32-bit int.
19255 2001-11-29 Marc Autret <autret_m@epita.fr>
19257 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
19258 of defining YYERROR_VERBOSE.
19259 [AT_DATA]: $4 is now out of C declarations in the prologue.
19261 2001-11-28 Marc Autret <autret_m@epita.fr>
19263 * src/reader.c (parse_dquoted_param): New.
19264 (parse_skel_decl): Use it.
19265 * src/lex.h: Add its prototype.
19266 * src/lex.c (literalchar): Become not static.
19268 2001-11-28 Marc Autret <autret_m@epita.fr>
19270 * src/output.h: And put its extern declaration here.
19271 * src/output.c (error_verbose): Define here.
19272 (prepare): Echo name modification.
19273 * src/getargs.h: Clean its extern declaration.
19274 * src/getargs.c (error_verbose_flag): Remove.
19275 (getargs): Remove case 'e'.
19276 * src/options.c (option_table): 'error-verbose' is now seen as simple
19280 * src/reader.c (read_declarations): Remove case tok_include.
19281 (parse_include_decl): Remove.
19282 * src/lex.h (token_t): Remove tok_include.
19283 * src/options.c (option_table): 'include' is now a simple command line
19286 2001-11-28 Marc Autret <autret_m@epita.fr>
19288 * src/bison.simple: Adjust muscle names.
19289 * src/muscle_tab.c (muscle_init): Also rename the muscles.
19290 * src/output.c (prepare): s/_/-/ for the muscles names.
19291 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
19293 2001-11-28 Marc Autret <autret_m@epita.fr>
19295 * src/bison.simple: Fix debug.
19296 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
19298 2001-11-28 Akim Demaille <akim@epita.fr>
19300 * src/LR0.c (shifts_new): New.
19301 (save_shifts, insert_start_shift, augment_automaton): Use it.
19303 2001-11-28 Akim Demaille <akim@epita.fr>
19305 * src/closure.c (closure): `b' and `ruleno' denote the same value:
19308 2001-11-28 Akim Demaille <akim@epita.fr>
19310 * src/closure.c (closure): Instead of looping over word in array
19311 then bits in words, loop over bits in array.
19313 2001-11-28 Akim Demaille <akim@epita.fr>
19315 * src/closure.c (closure): No longer optimize the special case
19316 where all the bits of `ruleset[r]' are set to 0, to make the code
19319 2001-11-28 Akim Demaille <akim@epita.fr>
19321 * src/closure.c (closure): `r' and `c' are new variables, used to
19322 de-obfuscate accesses to RULESET and CORE.
19324 2001-11-28 Akim Demaille <akim@epita.fr>
19326 * src/reduce.c (reduce_print): Use ngettext.
19327 (dump_grammar): Improve the trace accuracy.
19329 2001-11-28 Akim Demaille <akim@epita.fr>
19331 * src/reduce.c (dump_grammar): Don't translate trace messages.
19333 2001-11-28 Akim Demaille <akim@epita.fr>
19335 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
19336 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
19337 as all tags are free'ed afterwards.
19338 From Enrico Scholz.
19340 2001-11-27 Paul Eggert <eggert@twinsun.com>
19342 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
19343 use alloca when we didn't want to, and vice versa.
19345 2001-11-27 Marc Autret <autret_m@epita.fr>
19347 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
19349 * src/output.c (prepare): Remove its update.
19351 2001-11-27 Marc Autret <autret_m@epita.fr>
19353 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
19354 Use %error-verbose.
19356 2001-11-27 Marc Autret <autret_m@epita.fr>
19358 * src/bison.simple: Remove YYERROR_VERBOSE using.
19359 Use %%error_verbose.
19360 (yyparse): Likewise.
19361 * src/output.c (prepare): Give its final value.
19362 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
19363 * src/getargs.h: Add its extern declaration.
19364 * src/getargs.c (error_verbose_flag): New int.
19365 (getargs): Update to catch new case.
19366 * src/options.c (option_table): 'error-verbose' is a new option.
19367 (shortopts): Update.
19369 2001-11-27 Akim Demaille <akim@epita.fr>
19371 * src/system.h: Use intl/libgettext.h.
19372 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
19374 2001-11-27 Akim Demaille <akim@epita.fr>
19376 * tests/torture.at (Exploding the Stack Size with Malloc):
19377 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
19379 2001-11-27 Akim Demaille <akim@epita.fr>
19381 * src/files.c: Include error.h.
19382 Reported by Hans Aberg.
19384 2001-11-26 Marc Autret <autret_m@epita.fr>
19386 * src/reader.c (parse_include_decl): New, not yet implemented.
19387 (read_declarations): Add case tok_include.
19388 * src/getargs.h (include): Add its extern definition.
19389 * src/getargs.c (include): New const char *.
19390 (getargs): Add case '-I'.
19391 * src/options.c (option_table): Add include as command line and
19393 * src/lex.h (token_t): Add tok_include.
19395 2001-11-26 Akim Demaille <akim@epita.fr>
19397 * src/reader.c (readgram): Make sure rules for mid-rule actions
19398 have a lineno equal to that of their host rule.
19399 Reported by Hans Aberg.
19400 * tests/regression.at (Rule Line Numbers): New.
19402 2001-11-26 Akim Demaille <akim@epita.fr>
19404 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
19407 2001-11-26 Akim Demaille <akim@epita.fr>
19409 * src/complain.c, src/complain.h (error): Remove, provided by
19412 2001-11-26 Akim Demaille <akim@epita.fr>
19414 * src/reader.c (read_declarations): Don't abort on tok_illegal,
19415 issue an error message.
19416 * tests/regression.at (Invalid %directive): New.
19417 Reported by Hans Aberg.
19419 2001-11-26 Akim Demaille <akim@epita.fr>
19421 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
19422 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
19424 2001-11-26 Akim Demaille <akim@epita.fr>
19426 * src/conflicts.c (conflicts_print): Don't complain at all when
19427 there are no reduce/reduce conflicts, and as many shift/reduce
19428 conflicts as expected.
19429 * tests/regression.at (%expect right): Adjust.
19431 2001-11-23 Akim Demaille <akim@epita.fr>
19433 * lib/alloca.c: Update, from fileutils.
19435 2001-11-23 Akim Demaille <akim@epita.fr>
19437 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
19439 2001-11-23 Akim Demaille <akim@epita.fr>
19441 * src/system.h: Include alloca.h.
19442 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
19444 2001-11-23 Akim Demaille <akim@epita.fr>
19446 * src/print_graph.c (print_actions): Remove `rule', unused.
19447 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
19448 pacify GCC's signed < unsigned warnings.
19449 * src/closure.c (itemsetsize): Likewise.
19450 * src/reader.c (symbol_list_new): Static.
19452 2001-11-23 Akim Demaille <akim@epita.fr>
19454 Attaching lineno to buckets is stupid, since only one copy of each
19455 symbol is kept, only the line of the first occurrence is kept too.
19457 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
19458 * src/reader.c (rline_allocated): Remove, unused.
19459 (symbol_list): Have a `line' member.
19460 (symbol_list_new): New.
19461 (readgram): Use it.
19462 * src/print.c (print_grammar): Output the rule line numbers.
19463 * tests/regression.at (Solved SR Conflicts)
19464 (Unresolved SR Conflicts): Adjust.
19465 Reported by Hans Aberg.
19467 2001-11-22 Marc Autret <autret_m@epita.fr>
19469 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
19471 2001-11-22 Marc Autret <autret_m@epita.fr>
19473 * src/muscle_tab.c (muscle_init): Remove initialization of
19475 * src/output.c (output_master_parser): Do it here.
19477 2001-11-20 Akim Demaille <akim@epita.fr>
19480 * configure.in (ALL_LINGUAS): Adjust.
19481 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
19482 longer contains strings to translate.
19484 2001-11-19 Akim Demaille <akim@epita.fr>
19486 * src/conflicts.c (conflicts_print): Add a missing \n.
19488 2001-11-19 Akim Demaille <akim@epita.fr>
19490 * src/nullable.c (nullable_print): New.
19491 (set_nullable): Call it when tracing.
19492 Better locality of variables.
19494 2001-11-19 Akim Demaille <akim@epita.fr>
19496 * src/print.c (print_actions): Better locality of variables.
19498 2001-11-19 Akim Demaille <akim@epita.fr>
19500 * src/derives.c (print_derives): Fix and enrich.
19501 * src/closure.c (print_fderives): Likewise.
19503 2001-11-19 Akim Demaille <akim@epita.fr>
19505 * src/closure.c (itemsetend): Remove, replaced with...
19506 (itemsetsize): new.
19508 2001-11-19 Akim Demaille <akim@epita.fr>
19510 * src/LR0.c (kernel_end): Remove, replaced with...
19511 (kernel_size): new.
19513 2001-11-19 Akim Demaille <akim@epita.fr>
19515 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
19518 2001-11-19 Akim Demaille <akim@epita.fr>
19520 * src/closure.c (closure): Use arrays instead of pointers to clarify.
19522 2001-11-19 Akim Demaille <akim@epita.fr>
19524 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
19526 * src/LR0.c: Likewise.
19527 (allocate_itemsets): Use arrays instead of pointers to clarify.
19529 2001-11-19 Akim Demaille <akim@epita.fr>
19531 * src/getargs.c (statistics_flag): Replace with...
19533 (longopts): Accept --trace instead of --statistics.
19534 * src/getargs.h, src/options.c: Adjust.
19535 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
19536 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
19538 2001-11-19 Akim Demaille <akim@epita.fr>
19540 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
19541 pointers to clarify the code.
19542 (save_reductions, save_shifts): Factor common parts of alternatives.
19544 2001-11-19 Akim Demaille <akim@epita.fr>
19546 * src/LR0.c (new_state, get_state): Complete TRACE code.
19547 * src/closure.c: Include `reader.h' to get `tags', needed by the
19549 Rename the conditional DEBUG as TRACE.
19550 Output consistently TRACEs to stderr, not stdout.
19551 * src/derives.c: Likewise.
19552 * src/reduce.c: (inaccessable_symbols): Using if is better style
19554 Use `#if TRACE' instead of `#if 0' for tracing code.
19556 2001-11-19 Akim Demaille <akim@epita.fr>
19558 * src/system.h (LIST_FREE, shortcpy): New.
19559 * src/LR0.c: Use them.
19560 * src/output.c (free_itemsets, free_reductions, free_shifts):
19561 Remove, replaced by LIST_FREE.
19563 2001-11-19 Akim Demaille <akim@epita.fr>
19565 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
19566 (REDUCTIONS_ALLOC): New.
19567 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
19570 2001-11-19 Akim Demaille <akim@epita.fr>
19572 * src/LR0.c (new_state): Complete trace code.
19573 * src/nullable.c (set_nullable): Don't translate traces.
19575 2001-11-19 Akim Demaille <akim@epita.fr>
19577 * src/print_graph.c (print_core): Better locality of variables.
19578 * src/print.c (print_core): Likewise.
19580 2001-11-19 Akim Demaille <akim@epita.fr>
19582 * src/vcg.c: You do the output, so you are responsible of the
19583 handling of VCG syntax, in particular: use quotearg.
19584 * src/print_graph.c: Don't.
19585 (print_actions): Don't output the actions as part of the nodes,
19586 since that's the job of the edges.
19587 (print_state): Don't output by hand: fill the node description,
19588 and ask for its output.
19590 2001-11-19 Akim Demaille <akim@epita.fr>
19592 * src/bison.simple (yyparse): When verbosely reporting an error,
19593 no longer put additional quotes around token names.
19594 * tests/calc.at: Adjust.
19596 2001-11-19 Akim Demaille <akim@epita.fr>
19598 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
19599 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
19600 * src/output.c: Adjust.
19602 2001-11-19 Akim Demaille <akim@epita.fr>
19604 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
19606 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
19608 2001-11-19 Akim Demaille <akim@epita.fr>
19610 * src/gram.h (rule_t): New.
19612 (rrhs, rlhs): Remove, part of state_t.
19613 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
19614 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
19615 * src/reader.c, src/reduce.c: Adjust.
19617 2001-11-19 Akim Demaille <akim@epita.fr>
19619 * src/reader.c (symbols_output): New, extracted from...
19620 (packsymbols): Here.
19623 2001-11-19 Akim Demaille <akim@epita.fr>
19625 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
19626 (maxrhs): this new function.
19628 2001-11-19 Akim Demaille <akim@epita.fr>
19630 * src/lalr.c (F): New macro to access the variable F.
19633 2001-11-19 Akim Demaille <akim@epita.fr>
19635 * src/lalr.h (LA): New macro to access the variable LA.
19636 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19637 * src/lalr.c: Adjust.
19639 2001-11-19 Akim Demaille <akim@epita.fr>
19641 * src/lalr.c (initialize_LA): Only initialize LA. Let...
19642 (set_state_table): handle the `lookaheads' members.
19644 2001-11-19 Akim Demaille <akim@epita.fr>
19646 * src/lalr.h (lookaheads): Removed array, whose contents is now
19648 (state_t): this structure.
19649 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19652 2001-11-19 Akim Demaille <akim@epita.fr>
19654 * src/lalr.h (consistent): Removed array, whose contents is now
19656 (state_t): this structure.
19657 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19660 2001-11-19 Akim Demaille <akim@epita.fr>
19662 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
19663 contents are now members of...
19664 (state_t): this structure.
19665 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19668 2001-11-19 Akim Demaille <akim@epita.fr>
19670 * src/lalr.h (state_t): New.
19671 (state_table): Be a state_t * instead of a core **.
19672 (accessing_symbol): Remove, part of state_t.
19673 * src/lalr.c: Adjust.
19674 (set_accessing_symbol): Merge into...
19675 (set_state_table): this.
19676 * src/print_graph.c, src/conflicts.c: Adjust.
19678 2001-11-14 Akim Demaille <akim@epita.fr>
19680 * tests/calc.at, tests/output.at, tests/regression.at,
19681 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
19682 now the tests are run in private dirs, therefore AC_CLEANUP and
19683 family can be simplified to 0-ary.
19684 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
19685 use abs. path to find config.h.
19686 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
19687 stderr, there can be way too much random noise.
19688 Instead pass -Werror to GCC and rely on the exit status.
19689 Reported by Wolfram Wagner.
19691 2001-11-14 Akim Demaille <akim@epita.fr>
19693 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
19694 defined only if yyoverflow is defined, to avoid `warning: unused
19696 Reported by The Test Suite.
19698 2001-11-14 Akim Demaille <akim@epita.fr>
19700 * src/print.c: Include reduce.h.
19701 Reported by Hans Aberg.
19703 2001-11-14 Akim Demaille <akim@epita.fr>
19705 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
19706 Revert a previous patch: these are really const.
19707 * src/conflicts.c (conflict_report): Additional useless pair of
19708 braces to pacify GCC's warnings for `if () if () {} else {}'.
19709 * src/lex.c (parse_percent_token): Replace equal_offset with
19712 Be sure to strdup `arg' when used, since there is no reason for
19713 token_buffer not to change.
19715 2001-11-14 Akim Demaille <akim@epita.fr>
19717 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
19719 * src/main.c (main): Use them.
19720 Suggested by Hans Aberg.
19722 2001-11-12 Akim Demaille <akim@epita.fr>
19724 * src/system.h (ngettext): Now that we use ngettext, be sure to
19725 provide a default definition when NLS are not used.
19727 2001-11-12 Akim Demaille <akim@epita.fr>
19729 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
19730 Use @kbd to denote user input.
19731 (Language and Grammar): ANSIfy the example.
19732 Adjust its layout for info/notinfo.
19733 (Location Tracking Calc): Output error messages to stderr.
19734 Output locations in a more GNUtically correct way.
19735 Fix a couple of Englishos.
19736 Adjust @group/@end group pairs.
19738 2001-11-12 Akim Demaille <akim@epita.fr>
19740 %expect was not functioning at all.
19742 * src/conflicts.c (expected_conflicts): Set to -1.
19743 (conflict_report): Use ngettext.
19744 (conflicts_print): Check %expect and make its violation an error.
19745 * doc/bison.texinfo (Expect Decl): Adjust.
19746 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
19747 * tests/regression.at (%expect not enough, %expect right)
19748 (%expect too much): New.
19750 2001-11-12 Akim Demaille <akim@epita.fr>
19752 * tests/regression.at (Conflicts): Rename as...
19753 (Unresolved SR Conflicts): this.
19754 (Solved SR Conflicts): New.
19756 2001-11-12 Akim Demaille <akim@epita.fr>
19758 * src/reduce.c (print_results): Rename as...
19759 (reduce_output): This.
19760 Output to OUT, passed as argument, instead of output_obstack.
19761 (dump_grammar): Likewise.
19762 (reduce_free): New.
19764 (reduce_grammar): No longer call reduce_output, since...
19765 * src/print.c (print_results): do it.
19766 * src/main.c (main): Call reduce_free;
19768 2001-11-12 Akim Demaille <akim@epita.fr>
19770 * src/conflicts.c (print_reductions): Accept OUT as argument.
19771 Output to it, not to output_obstack.
19772 * src/print.c (print_actions): Adjust.
19774 2001-11-12 Akim Demaille <akim@epita.fr>
19776 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
19777 the result instead of using...
19778 (src_total, rrc_total, src_count, rrc_count): Remove.
19779 (any_conflicts): Remove.
19780 (print_conflicts): Split into...
19781 (conflicts_print, conflicts_output): New.
19782 * src/conflicts.h: Adjust.
19783 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
19784 * src/print.c (print_grammar): Issue `\n' between two rules.
19785 * tests/regression.at (Conflicts): New.
19786 Reported by Tom Lane.
19788 2001-11-12 Akim Demaille <akim@epita.fr>
19790 * tests/regression.at (Invalid input): Remove, duplicate with
19791 ``Invalid input: 1''.
19793 2001-11-12 Akim Demaille <akim@epita.fr>
19795 * tests/torture.at (AT_DATA_STACK_TORTURE)
19796 (Exploding the Stack Size with Alloca)
19797 (Exploding the Stack Size with Malloc): New.
19799 2001-11-12 Akim Demaille <akim@epita.fr>
19801 * src/bison.simple (YYSTACK_REALLOC): New.
19802 (yyparse) [!yyoverflow]: Use it and free the old stack.
19803 Reported by Per Allansson.
19805 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
19807 * src/bison.simple: Define type yystype instead of YYSTYPE, and
19808 define CPP macro, which substitute YYSTYPE by yystype.
19809 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
19810 with yyltype/YYLTYPE. This allows inclusion of the generated
19811 header within the parser if the compiler, such as GGC, accepts
19812 multiple equivalent #defines.
19815 2001-11-05 Akim Demaille <akim@epita.fr>
19817 * src/reader.c (symbols_output): New, extracted from...
19818 (packsymbols): here.
19821 2001-11-05 Akim Demaille <akim@epita.fr>
19823 * src/lex.c (parse_percent_token): s/quotearg/quote/.
19825 2001-11-05 Akim Demaille <akim@epita.fr>
19827 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
19830 2001-11-05 Akim Demaille <akim@epita.fr>
19832 * src/options.h (struct option_table_struct): set_flags is void*.
19833 * src/options.c (longopts): Support `--output' and `%output'.
19835 * src/lex.h (tok_setopt): Remove, replaced with...
19836 (tok_intopt, tok_stropt): these new guys.
19837 * src/lex.c (getopt.h): Not needed.
19838 (token_buffer, unlexed_token_buffer): Not const.
19839 (percent_table): Promote `-' over `_' in directive names.
19840 Active `%name-prefix', `file-prefix', and `output'.
19841 (parse_percent_token): Accept possible arguments to directives.
19842 Promote `-' over `_' in directive names.
19844 2001-11-04 Akim Demaille <akim@epita.fr>
19846 * doc/bison.texinfo (Decl Summary): Split the list into
19847 `directives for grammars' and `directives for bison'.
19849 Add description of `%name-prefix', `file-prefix', and `output'.
19850 Promote `-' over `_' in directive names.
19851 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
19852 Simplify the description of `--name-prefix'.
19853 Promote `-' over `_' in directive names.
19854 Promote `--output' over `--output-file'.
19855 Fix the description of `--defines'.
19856 * tests/output.at: Exercise %file-prefix and %output.
19858 2001-11-02 Akim Demaille <akim@epita.fr>
19860 * doc/refcard.tex: Update.
19862 2001-11-02 Akim Demaille <akim@epita.fr>
19864 * src/symtab.h (SUNDEF): New.
19865 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
19866 stand for `uninitialized', instead of 0.
19867 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
19868 * src/lex.c (lex): Adjust.
19870 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
19872 Let yylex return it instead of a plain 0.
19873 Reported by Dick Streefland.
19875 2001-11-02 Akim Demaille <akim@epita.fr>
19877 * tests/regression.at (Mixing %token styles): New test.
19879 2001-11-02 Akim Demaille <akim@epita.fr>
19881 * src/reader.c (parse_thong_decl): Formatting changes.
19882 (token_translations_init): New, extracted from...
19883 (packsymbols): Here.
19886 2001-11-01 Akim Demaille <akim@epita.fr>
19888 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
19889 Check that `9foo.y' produces correct cpp guards.
19890 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
19894 2001-11-01 Akim Demaille <akim@epita.fr>
19896 * tests/regression.at (Invalid input: 2): New.
19897 * src/lex.c (unlexed_token_buffer): New.
19898 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
19902 2001-11-01 Akim Demaille <akim@epita.fr>
19904 * tests/calc.at: Catch up with 1.30.
19905 * configure.in: Bump to 1.49a.
19906 Adjust to newer Autotest.
19908 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
19910 * src/conflicts.c: Move global variables rrc_total and src_total ...
19911 (print_conflicts): here.
19912 * src/output.c (output): Free global variable user_toknums.
19913 * src/lex.c (token_obstack): Become static.
19915 2001-10-18 Akim Demaille <akim@epita.fr>
19917 * tests/atlocal.in (GCC): Add.
19918 * tests/calc.at: s/m4_match/m4_bmatch/.
19919 s/m4_patsubst/m4_bpatsubst/.
19920 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
19921 * configure.in: AC_SUBST(GCC).
19923 2001-10-14 Marc Autret <autret_m@epita.fr>
19925 * src/options.c (create_long_option_table): Fix.
19927 2001-10-10 Akim Demaille <akim@epita.fr>
19929 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
19931 2001-10-04 Akim Demaille <akim@epita.fr>
19933 * src/reader.c (parse_union_decl): Push the caracters in
19934 union_obstack, not attrs_obstack.
19936 2001-10-04 Akim Demaille <akim@epita.fr>
19938 Merge in the branch 1.29.
19940 * src/reader.c (packsymbols): Use a temporary obstack for
19941 `%%tokendef', since output_stack is already used elsewhere.
19943 2001-10-02 Akim Demaille <akim@epita.fr>
19947 2001-10-02 Akim Demaille <akim@epita.fr>
19951 2001-10-02 Akim Demaille <akim@epita.fr>
19953 * tests/regression.at (Invalid CPP headers): New.
19954 From Alexander Belopolsky.
19955 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
19957 2001-10-02 Akim Demaille <akim@epita.fr>
19959 * tests/regression.at (Invalid input): New.
19960 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
19963 2001-10-02 Akim Demaille <akim@epita.fr>
19965 * tests/calc.at: Now that --debug works, the tests must be adjusted.
19967 2001-10-02 Akim Demaille <akim@epita.fr>
19969 * src/output.c (output_parser): Assert `skeleton'.
19970 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
19974 2001-10-01 Marc Autret <autret_m@epita.fr>
19976 * src/lex.h: Echo modifications.
19977 * src/lex.c (unlex): Parameter is now token_t.
19980 2001-10-01 Marc Autret <autret_m@epita.fr>
19982 * src/main.c: Include lex.h.
19985 2001-09-29 Akim Demaille <akim@epita.fr>
19987 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
19989 2001-09-28 Akim Demaille <akim@epita.fr>
19991 * tests/testsuite.at: Update to newer Autotest.
19992 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
19994 2001-09-27 Akim Demaille <akim@epita.fr>
19996 Position independent wrapper.
19998 * tests/bison: Remove.
19999 * tests/bison.in: New.
20000 * configure.in: Adjust.
20002 2001-09-27 Paul Eggert <eggert@twinsun.com>
20004 Port quotearg fixes from tar 1.13.24.
20006 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
20008 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
20009 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
20011 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
20012 * m4/mbrtowc.m4: New file.
20013 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
20014 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
20016 2001-09-27 Akim Demaille <akim@epita.fr>
20020 2001-09-27 Akim Demaille <akim@epita.fr>
20024 2001-09-25 Akim Demaille <akim@epita.fr>
20026 * src/system.h: Include `xalloc.h'.
20027 Remove it from the C files.
20028 * src/files.c (output_files): Free the obstacks.
20029 * src/lex.c (init_lex): Rename as...
20032 * src/main.c (main): Use it.
20034 2001-09-24 Marc Autret <autret_m@epita.fr>
20036 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
20037 to output informations in fout (FILE*).
20038 (open_graph, close_graph): Likewise.
20039 (output_graph, output_edge, output_node): Likewise.
20040 * src/vcg.h: Update function prototypes.
20041 * src/print_graph.c (print_graph): Open output graph file.
20042 (print_actions): Adjust.
20043 * src/files.h: Remove extern declaration.
20044 * src/files.c: Remove graph_obstack declaration.
20045 (open_files): Remove graph_obstack initialization.
20046 (output_files): Remove graph_obstack saving.
20048 2001-09-24 Marc Autret <autret_m@epita.fr>
20050 * src/files.c (compute_output_file_names): Fix.
20052 2001-09-24 Marc Autret <autret_m@epita.fr>,
20053 Akim Demaille <akim@epita.fr>
20055 * src/reader.c (reader): Remove call to free_symtab ().
20056 * src/main.c (main): Call it here.
20058 * src/conflicts.c (initialize_conflicts): Rename as...
20059 (solve_conflicts): this.
20060 * src/print.c (print_core, print_actions, print_state)
20061 (print_grammar): Dump to a file instead a `output_obstack'.
20062 (print_results): Dump `output_obstack', and then proceed with the
20064 * src/files.c (compute_output_file_names, close_files): New.
20065 (output_files): Adjust.
20066 * src/main.c (main): Adjust.
20068 2001-09-23 Marc Autret <autret_m@epita.fr>
20070 * src/files.c (compute_header_macro): Computes header macro name
20071 from spec_defines_file when given.
20073 2001-09-23 Marc Autret <autret_m@epita.fr>
20075 * src/files.c (output_files): Add default extensions.
20077 2001-09-22 Akim Demaille <akim@epita.fr>
20079 * src/conflicts.c (finalize_conflicts): Rename as...
20080 (free_conflicts): this.
20082 2001-09-22 Akim Demaille <akim@epita.fr>
20084 * src/gram.c (gram_free): Rename back as...
20086 (output_token_translations): Free `token_translations'.
20087 * src/symtab.c (free_symtab): Free the tag field.
20089 2001-09-22 Akim Demaille <akim@epita.fr>
20091 Remove `translations' as it is always set to true.
20093 * src/gram.h: Adjust.
20094 * src/reader.c (packsymbols, parse_token_decl): Adjust
20095 * src/print.c (print_grammar): Adjust.
20096 * src/output.c (output_token_translations): Adjust.
20097 * src/lex.c (lex): Adjust.
20098 * src/gram.c: Be sure the set pointers to NULL.
20099 (dummy): Rename as...
20102 2001-09-22 Akim Demaille <akim@epita.fr>
20104 * configure.in: Invoke AM_LIB_DMALLOC.
20105 * src/system.h: Use dmalloc.
20106 * src/LR0.c: Be sure to have pointers initialized to NULL.
20107 (allocate_itemsets): Allocate kernel_items only if needed.
20109 2001-09-22 Akim Demaille <akim@epita.fr>
20111 * configure.in: Bump to 1.29b.
20112 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
20113 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
20114 need xmalloc.c in calc.y.
20117 2001-09-21 Akim Demaille <akim@epita.fr>
20120 * Makefile.maint, config/config.guess, config/config.sub,
20121 * config/missing: Update from masters.
20122 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
20124 * configure.in (ALL_LINGUAS): Add `tr'.
20126 2001-09-21 Akim Demaille <akim@epita.fr>
20128 * tests/Makefile.am (package.m4): Move to...
20129 ($(srcdir)/$(TESTSUITE)): here.
20131 2001-09-20 Akim Demaille <akim@epita.fr>
20133 * src/complain.c: No longer try to be standalone: use system.h.
20134 Don't assume __STDC__ is defined to 1. Just test if it is defined.
20135 * src/complain.h: Likewise.
20136 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
20137 Remove the unused variable `n'.
20138 From Albert Chin-A-Young.
20140 2001-09-18 Marc Autret <autret_m@epita.fr>
20142 * doc/bison.1: Update.
20143 * doc/bison.texinfo (Bison Options): Update --defines and --graph
20145 (Option Cross Key): Update.
20148 2001-09-18 Marc Autret <autret_m@epita.fr>
20150 * tests/regression.at: New test (comment in %union).
20152 2001-09-18 Marc Autret <autret_m@epita.fr>
20154 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
20156 Reported by Keith Browne.
20158 2001-09-18 Marc Autret <autret_m@epita.fr>
20160 * tests/output.at: Add tests for --defines and --graph.
20162 2001-09-18 Marc Autret <autret_m@epita.fr>
20164 * tests/output.at: Removes tests of %{header,src}_extension features.
20166 2001-09-18 Akim Demaille <akim@epita.fr>
20168 * tests/Makefile.am (package.m4): New.
20169 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
20170 (_AT_CHECK_CALC_ERROR): Likewise.
20171 Factor the `, ' part of verbose error messages.
20173 2001-09-18 Marc Autret <autret_m@epita.fr>
20175 * src/getargs.c (longopts): Declare --defines and --graph as options
20176 with optional arguments.
20177 * src/files.h: Add extern declarations.
20178 * src/files.c (spec_graph_file, spec_defines_file): New.
20179 (output_files): Update.
20180 Remove CPP-outed code.
20182 2001-09-18 Marc Autret <autret_m@epita.fr>
20184 Turn off %{source,header}_extension feature.
20186 * src/files.c (compute_exts_from_gf): Update.
20187 (compute_exts_from_src): Update.
20188 (output_files): CPP-out useless code.
20189 * src/files.h: Remove {header,source}_extension extern declarations.
20190 * src/reader.c (parse_dquoted_param): CPP-out.
20191 (parse_header_extension_decl): Remove.
20192 (parse_source_extension_decl): Remove.
20193 (read_declarations): Remove cases tok_{hdrext,srcext}.
20194 * src/lex.c (percent_table): Remove {header,source}_extension entries.
20195 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
20197 2001-09-10 Akim Demaille <akim@epita.fr>
20199 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
20200 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
20201 (AT_CHECK_OUTPUT): this.
20202 Merely check ls' exit status, its output is useless.
20204 2001-09-10 Akim Demaille <akim@epita.fr>
20206 * tests/calc.at: Use m4_match.
20207 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
20209 2001-09-10 Marc Autret <autret_m@epita.fr>,
20210 Akim Demaille <akim@epita.fr>
20212 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
20214 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
20216 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
20217 * src/lex.h: Adjust prototype.
20218 (token_t): Add `tok_undef'.
20219 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
20220 (parse_percent_token): Now returns token_t.
20221 Add default statement in switch.
20222 (lex): Separate `c' as an input variable, from the token_t result
20224 (unlexed): Is a token_t.
20226 2001-09-10 Akim Demaille <akim@epita.fr>
20228 * configure.in: Bump to 1.29a.
20230 2001-09-07 Akim Demaille <akim@epita.fr>
20234 2001-08-30 Akim Demaille <akim@epita.fr>
20236 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
20237 * m4/atconfig.m4: Remove.
20238 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
20239 * tests/bison: New.
20240 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
20241 m4_if, m4_patsubst, and m4_regexp.
20242 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
20243 `input' file instead of echo.
20245 2001-08-29 Akim Demaille <akim@epita.fr>
20249 2001-08-29 Akim Demaille <akim@epita.fr>
20253 2001-08-29 Paul Eggert <eggert@twinsun.com>
20255 * src/bison.simple (yyparse): Don't take the address of an
20256 item before the start of an array, as that doesn't conform to
20259 2001-08-29 Robert Anisko <anisko_r@epita.fr>
20261 * doc/bison.texinfo (Location Tracking Calc): New node.
20263 2001-08-29 Paul Eggert <eggert@twinsun.com>
20265 * src/output.c (output): Do not define const, as this now
20266 causes more problems than it cures.
20268 2001-08-29 Akim Demaille <akim@epita.fr>
20270 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
20272 Be sure to tag the `detailmenu'.
20274 2001-08-29 Akim Demaille <akim@epita.fr>
20276 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
20277 download in a tmp dir.
20279 2001-08-28 Marc Autret <autret_m@epita.fr>
20281 * config/depcomp: New file.
20283 2001-08-28 Marc Autret <autret_m@epita.fr>
20285 * doc/bison.1 (mandoc): Adjust.
20286 From Juan Manuel Guerrero.
20288 2001-08-28 Marc Autret <autret_m@epita.fr>
20290 * src/print_graph.c (print_state): Fix.
20292 2001-08-27 Marc Autret <autret_m@epita.fr>
20294 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
20296 Echo modifications to the functions prototypes.
20297 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
20299 2001-08-27 Marc Autret <autret_m@epita.fr>
20301 * src/vcg.c: Include `xalloc.h'.
20302 (add_colorentry): New.
20303 (add_classname): New.
20304 (add_infoname): New.
20305 * src/vcg.h: Add new prototypes.
20307 2001-08-27 Akim Demaille <akim@epita.fr>
20309 * Makefile.maint: Sync. again with CVS Autoconf.
20311 2001-08-27 Akim Demaille <akim@epita.fr>
20313 * Makefile.maint: Formatting changes.
20314 (po-update, cvs-update, update): New targets.
20317 2001-08-27 Akim Demaille <akim@epita.fr>
20319 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20320 * Makefile.maint: Sync. with CVS Autoconf.
20322 2001-08-27 Marc Autret <autret_m@epita.fr>
20324 * src/vcg.h (struct infoname_s): New.
20325 (struct colorentry_s): New.
20326 (graph_s): New fields {vertical,horizontal}_order in structure.
20327 Add `infoname' field.
20328 Add `colorentry' field;
20329 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
20330 (G_HORIZONTAL_ORDER): New.
20332 (G_COLORENTRY): New.
20333 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
20334 Add output of `infoname'.
20335 Add output of `colorentry'.
20337 2001-08-27 Marc Autret <autret_m@epita.fr>
20339 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
20340 This one shadowed a global parameter.
20342 2001-08-24 Marc Autret <autret_m@epita.fr>
20344 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
20345 instead of `unsigned'.
20346 (print_state): Do not call obstack_object_size () in obstack_grow ()
20347 to avoid macro variables shadowing.
20349 2001-08-23 Marc Autret <autret_m@epita.fr>
20351 * src/lex.c (percent_table): Typo: s/naem/name/.
20353 Normalize new options declarations.
20355 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
20357 * tests/suite.at: Exercise %header_extension and %source_extension.
20359 2001-08-16 Marc Autret <autret_m@epita.fr>
20361 * src/reader.c (parse_dquoted_param): New.
20362 (parse_header_extension_decl): Use it.
20363 (parse_source_extension_decl): Likewise.
20365 2001-08-16 Marc Autret <autret_m@epita.fr>
20367 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
20368 (get_xxxx_str): Use assert () instead of complain ().
20369 Remove return invokations in default cases.
20370 (get_decision_str): Modify default behaviour. Remove second argument.
20371 Echo modifications on calls.
20372 (output_graph): Fix.
20374 2001-08-16 Marc Autret <autret_m@epita.fr>
20376 * src/getargs.c (usage): Update with ``-g, --graph''.
20378 2001-08-16 Marc Autret <autret_m@epita.fr>
20380 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
20381 (Option Cross Key): Likewise.
20382 * doc/bison.1: Update.
20384 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
20386 * src/output.c (output_master_parser): Don't finish action_obstack.
20387 (output_parser): Don't care about the muscle action, here.
20388 (prepare): Copy the action_obstack in the action muscle.
20389 (output): Free action_obstack.
20391 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20393 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
20394 will contain `%union' declaration.
20395 (parse_union_decl): Delete #line directive output.
20396 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
20397 informations about %union.
20398 (parse_union_decl): Copy the union_obstack in the muscle stype.
20399 * src/bison.simple: Add new #line directive.
20400 Add typdef %%stype YYSTYPE.
20402 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20404 * src/bison.simple: Add new `#line' directive.
20406 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
20408 * src/bison.simple: New `#line' directive.
20409 * src/output.c (output_parser): Support new dynamic muscle input_line.
20411 2001-09-22 Marc Autret <autret_m@epita.fr>
20413 * src/output.c (output_master_parser): New.
20414 (output_parser): Be more re-entrant.
20416 2001-09-21 Marc Autret <autret_m@epita.fr>
20418 * src/reader.c (copy_definition, parse_union_decl): Update and use
20420 (copy_action): Likewise.
20421 Use obstack_1grow ().
20422 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
20424 2001-09-21 Marc Autret <autret_m@epita.fr>
20426 * src/options.c (option_table): Adjust.
20427 * src/lex.c (parse_percent_token): Fix.
20429 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20431 * src/options.c (symtab.h): Include it, need by lex.h.
20433 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20435 * src/lex.c (parse_percent_token): Change type of variable `tx', which
20436 is now an option_table_struct*.
20437 (option_strcmp): New function option_strcmp.
20438 (parse_percent_token): Call option_strcmp.
20439 * src/getargs.c (xalloc.h, options.h): Include it.
20440 (getargs): Call create_long_option_table.
20441 (getargs): Free longopts at the end of the function.
20442 (shortopts): Move in options.c.
20443 * src/options.c (create_long_option_table): New function. Convert
20444 information from option_table to option structure.
20445 * src/reader.c (options.h): Include it.
20447 * src/Makefile.am: Adjust.
20448 * src/options.c (option_table): Create from longopts and percent_table.
20449 * src/getargs.c (longopts): Delete.
20450 * src/lex.c (struct percent_table_struct): Delete.
20451 (percent_table): Delete.
20452 (options.h): Include it.
20453 * src/options.c: Create.
20454 * src/options.h: Create.
20455 Declare enum opt_access_e.
20456 Define struct option_table_struct.
20458 2001-09-20 Marc Autret <autret_m@epita.fr>
20460 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
20463 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
20465 * src/bison.simple: s/%%filename/%%skeleton.
20466 * src/muscle_tab.c (getargs.h): Include it.
20467 (muscle_init): Insert new muscle skeleton.
20469 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
20471 * src/output.c (output_parser): Delete unused variable actions_dumped.
20473 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
20475 * src/output.c (output): Delete call to reader_output_yylsp.
20476 * src/reader.c (reader): Likewise.
20477 * src/reader.h: Delete declaration of reader_output_yylsp.
20479 2001-09-02 Marc Autret <autret_m@epita.fr>
20481 * src/reader.c: Include muscle_tab.h.
20482 (parse_union_decl): Update.
20483 (parse_macro_decl): Rename parse_muscle_decl.
20484 Update to use renamed functions and variable.
20485 (read_declarations, copy_action, read_additionnal_code, : Updated
20486 with correct variables and functions names.
20487 (packsymbols, reader): Likewise.
20489 * src/reader.h (muscle_obstack): Extern declaration update.
20491 * src/output.c: Include muscle_tab.h
20492 In all functions using macro_insert, change by using muscle_insert ().
20493 (macro_obstack): Rename muscle_obstack.
20494 Echo modifications in the whole file.
20495 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
20496 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
20497 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
20499 * src/muscle_tab.h: Update double inclusion macros.
20500 (macro_entry_s): Rename muscle_entry_s.
20503 * src/muscle_tab.c: Include muscle_tab.h.
20504 Rename macro_tabble to muscle_table.
20505 (mhash1, mhash2, mcmp): Use muscle_entry.
20506 (macro_init): Rename muscle_init. Update.
20507 (macro_insert): Rename muscle_insert. Update.
20508 (macro_find): Rename muscle_find. Update.
20510 * src/main.c: Include muscle_tab.h.
20511 (main): Call muscle_init ().
20512 * src/Makefile.am (bison_SOURCES): Echo modifications.
20514 2001-09-02 Marc Autret <autret_m@epita.fr>
20516 Now the files macro_tab.[ch] are named muscle_tab.[ch].
20518 * src/muscle_tab.c, src/muscle_tab.h: Add files.
20520 2001-09-02 Marc Autret <autret_m@epita.fr>
20522 * src/macrotab.c, src/macrotab.h: Remove.
20524 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
20526 * src/reader.c (copy_guard): Use muscle to specify the `#line'
20529 2001-09-01 Marc Autret <autret_m@epita.fr>
20531 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
20532 to an explicit value to activate the feature. We do it here.
20534 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20536 * src/output.c (prepare): Delete the `filename' muscule insertion.
20537 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
20538 (parse_union_decl): Likewise.
20539 * src/macrotab.c (macro_init): Initialize filename by infile.
20541 2001-08-31 Marc Autret <autret_m@epita.fr>
20543 * src/bison.simple (YYLSP_NEEDED): New definition.
20544 * src/output.c (prepare): Add macro insertion of `locations_flag'
20546 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20548 * src/output.c (prepare): Delete insertion of previous muscles,
20549 and insert the `prefix' muscles.
20550 * src/macrotab.c (macro_init): Likewise.
20551 (macro_init): Initialization prefix directive by `yy'.
20552 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
20553 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
20554 yylval, yydebug, yyerror, yynerrs and yyparse.
20555 New directive `#define' to substitute yydebug, ... with option
20558 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20560 * src/main.c (main): Standardize.
20561 * src/output.c (output_table_data, output_parser): Likewise.
20562 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
20564 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
20566 * src/reader.c (read_additionnal_code): Rename %%user_code to
20568 * src/output.c (output): Rename %%declarations to %%prologue.
20569 * src/bison.simple: Echo modifications.
20571 2001-08-31 Marc Autret <autret_m@epita.fr>
20573 * src/reader.c (readgram): CleanUp.
20574 (output_token_defines): Likewise.
20575 (packsymbols): Likewise.
20576 (reader): Likewise.
20577 * src/output.c (output): CPP-out useless code.
20579 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20581 * src/reader.c (reader): Delete obsolete call to function
20582 output_trailers and output_headers.
20583 * src/output.h: Remove obsolete functions prototypes of output_headers
20584 and output_trailers.
20586 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
20588 * src/main.c: Include macrotab.h.
20589 * src/macrotab.h (macro_entry_s): Constify fields.
20590 Adjust functions prototypes.
20591 * src/macrotab.c (macro_insert): Constify key and value.
20592 (macro_find): Constify key.
20593 (macro_insert): Include 'xalloc.h'
20594 (macro_insert): Use XMALLOC.
20595 (macro_find): Constify return value.
20596 * src/output.c (output_table_data): Rename table to table_data.
20597 (output_parser): Constify macro_key, macro_value.
20599 2001-08-30 Marc Autret <autret_m@epita.fr>
20601 * src/reader.c (parse_skel_decl): New.
20602 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
20603 * src/lex.h (token_t): New token `tok_skel'.
20604 * src/lex.c (percent_table): Add skeleton option entry.
20607 2001-08-29 Marc Autret <autret_m@epita.fr>
20609 * src/bison.simple: Add %%user_code directive at the end.
20610 * src/reader.c (read_additionnal_code): New.
20612 * src/output.c (output_program): Remove.
20615 2001-08-28 Marc Autret <autret_m@epita.fr>
20617 * src/output.c (output_actions): Clean up.
20618 (output_gram): CPP-out useless code.
20619 * src/reader.c (reader): Clean up, CPP-out useless code.
20621 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
20623 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
20625 * src/bison.simple: Add `%%definitions'.
20627 2001-08-28 Marc Autret <autret_m@epita.fr>
20629 * config/depcomp: New file.
20631 2001-08-27 Paul Eggert <eggert@twinsun.com>
20633 * src/bison.simple (yyparse): Don't take the address of an
20634 item before the start of an array, as that doesn't conform to
20637 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20639 * src/output.c (output): Remove the initialization of the macro
20640 obstack. It was done too late here.
20642 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
20644 (reader): Initialize the macro obstack here, since we need it to grow
20645 '%define' directives.
20647 * src/reader.h: Declare the macro obstack as extern.
20649 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20651 * src/output.c (output_parser): Fix. Store single '%' characters in
20652 the output obstack instead of throwing them away.
20654 2001-08-27 Akim Demaille <akim@epita.fr>
20656 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20658 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20660 * lib/Makefile.am: Adjust.
20662 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20664 * src/bison.simple: Update and add '%%' directives.
20666 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20668 * src/reader.c (reader): Remove calls to 'output_headers' and
20669 'output_trailers'. Remove some C output.
20670 (readgram): Disable a piece of code that was writing a default
20671 definition for 'YYSTYPE'.
20672 (reader_output_yylsp): Remove.
20673 (packsymbols): Output token defintions to a macro.
20674 (copy_definition): Disable C output.
20676 * src/reader.c (parse_macro_decl): New function used to parse macro
20678 (copy_string2): Put the body of copy_string into this new function.
20679 Add a parameter to let the caller choose whether he wants to copy the
20680 string delimiters or not.
20681 (copy_string): Be a simple call to copy_string2 with the last argument
20683 (read_declarations): Add case for macro definition.
20684 (copy_identifier): New.
20685 (parse_macro_decl): Read macro identifiers using copy_identifier
20688 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20690 * src/output.c (prepare): Add prefixed names.
20691 (output_parser): Output semantic actions.
20692 (output_parser): Fix bug on '%%line' directives.
20694 * src/output.c (output_headers): Remove. The C code printed by this
20695 function should now be in the skeletons.
20696 (output_trailers): Remove.
20697 (output): Disable call to 'reader_output_yylsp'.
20698 (output_rule_data): Do not output tables to the table obstack.
20700 * src/output.c: Remove some C dedicated output.
20701 Improve the use of macro and output obstacks.
20702 (output_defines): Remove.
20704 * src/output.c (output_token_translations): Associate 'translate'
20705 table with a macro. No output to the table obstack.
20706 (output_gram): Same for 'rhs' and 'prhs'.
20707 (output_stos): Same for 'stos'.
20708 (output_rule_data): Same for 'r1' and 'r2'.
20709 (token_actions): Same for 'defact'.
20710 (goto_actions): Same for 'defgoto'.
20711 (output_base): Same for 'pact' and 'pgoto'.
20712 (output_table): Same for 'table'.
20713 (output_check): Same for 'check'.
20715 * src/output.c (output_table_data): New function.
20716 (output_short_table): Remove.
20717 (output_short_or_char_table): Remove.
20719 * src/output.c (output_parser): Replace most of the skeleton copy code
20720 with something new. Skeletons are now processed character by character
20721 rather than line by line, and Bison looks for '%%' macros. This is the
20722 first step in making Bison's output process (a lot) more flexible.
20723 (output_parser): Use the macro table.
20725 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20727 * src/main.c (main): Initialize the macro table.
20729 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20731 * src/lex.c (percent_table): Add tok_define.
20732 * src/lex.h: Add tok_define.
20734 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20736 * src/macrotab.c: New file.
20737 * src/macrotab.h: New file.
20738 * src/Makefile.am: Update.
20740 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20742 * lib/hash.c: New file.
20743 * lib/hash.h: New file.
20744 * lib/Makefile.am: Update.
20746 2001-08-15 Akim Demaille <akim@epita.fr>
20750 2001-08-15 Marc Autret <autret_m@epita.fr>
20752 * src/reader.c (readgram): Indent output macro YYSTYPE.
20753 (packsymbols): Likewise.
20754 (output_token_defines): Likewise.
20755 * src/files.c: Standardize.
20756 (compute_header_macro): New.
20757 (defines_obstack_save): New. Use compute_header_macro.
20758 (output_files): Update. Use defines_obstack_save.
20760 2001-08-15 Akim Demaille <akim@epita.fr>
20762 * doc/bison.texinfo (Table of Symbols): Document
20763 YYSTACK_USE_ALLOCA.
20765 2001-08-15 Akim Demaille <akim@epita.fr>
20767 * missing: Update from CVS Automake.
20768 * config/config.guess, config/config.sub, config/texinfo.tex:
20769 Update from gnu.org.
20771 2001-08-15 Akim Demaille <akim@epita.fr>
20773 * Makefile.maint: Sync with CVS Autoconf.
20775 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
20777 * doc/bison.texinfo: Include GNU Free Documentation License from
20779 * doc/fdl.texi: Add to package.
20781 2001-08-14 Marc Autret <autret_m@epita.fr>
20783 Turn on %{source,header}_extension features.
20785 * src/lex.c (percent_table): Un-CPP out header_extension and
20787 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
20788 (compute_exts_from_src): Remove conditions. It restores priorities
20791 2001-08-14 Marc Autret <autret_m@epita.fr>
20793 * src/files.c (compute_base_names): Add extensions computing when
20794 `--file-prefix' used.
20795 Standardize function calls.
20797 2001-08-13 Marc Autret <autret_m@epita.fr>
20799 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
20800 defining it (defined but null disables alloca).
20802 2001-08-13 Marc Autret <autret_m@epita.fr>
20804 * src/bison.simple (_yy_memcpy): CPP reformat.
20806 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
20808 * tests/atconfig.in (CPPFLAGS): Fix.
20810 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
20812 * doc/bison.texinfo: Include GNU General Public License from
20814 * doc/gpl.texi: Add to package.
20816 2001-08-10 Marc Autret <autret_m@epita.fr>
20818 * src/print_graph.h: Fix.
20819 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
20821 2001-08-10 Akim Demaille <akim@epita.fr>
20823 * src/system.h: Provide default declarations for stpcpy, strndup,
20826 2001-08-10 Robert Anisko <anisko_r@epita.fr>
20828 * doc/bison.texinfo (Locations): Update @$ stuff.
20830 2001-08-09 Robert Anisko <anisko_r@epita.fr>
20832 * src/bison.simple (YYLLOC_DEFAULT): Update.
20835 2001-08-08 Marc Autret <autret_m@epita.fr>
20837 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
20838 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
20839 Reported by Fabrice Bauzac.
20841 2001-08-08 Marc Autret <autret_m@epita.fr>
20843 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
20844 * src/vcg.c (output_node): Fix.
20845 * src/vcg.h: Cleanup.
20846 * src/print_graph.c: Add comments.
20847 (node_output_size): New global variable. Simplify the formatting of
20848 the VCG graph output.
20849 (print_actions): Unused code is now used. It notifies the final state
20850 and no action states in the VCG graph. It also give the reduce actions.
20851 The `shift and goto' edges are red and the `go to state' edges are
20853 Get the current node name and node_obstack by argument.
20854 (node_obstack): New variable.
20855 (print_state): Manage node_obstack.
20856 (print_core): Use node_obstack given by argument.
20857 A node is not only computed here but in print_actions also.
20858 (print_graph): CPP out useless code instead of commenting it.
20860 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
20862 * tests/atconfig.in (CPPFLAGS): Fix.
20864 2001-08-07 Akim Demaille <akim@epita.fr>
20866 * src/print_graph.c (quote): New.
20867 (print_core): Use it.
20869 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
20871 * src/vcg.c (complain.h): Include it.
20872 Unepitaize `return' invocations.
20873 [NDEBUG] (main): Remove.
20874 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
20875 * src/files.c (open_files): Initialize graph_obstack.
20876 * src/print_graph.c (print_actions): CPP out useless code.
20877 (print_core): Don't output the last `\n' in labels.
20879 * src/files.c (output_files): Output the VCG file.
20880 * src/main.c (main): Invoke print_graph ();
20882 2001-08-06 Marc Autret <autret_m@epita.fr>
20884 Automaton VCG graph output.
20885 Using option ``-g'' or long option ``--graph'', you can generate
20886 a gram_filename.vcg file containing a VCG description of the LALR (1)
20887 automaton of your grammar.
20889 * src/main.c: Call to print_graph() function.
20890 * src/getargs.h: Update.
20891 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
20892 (graph_flag): New flag.
20893 (longopts): Update.
20894 (getargs): Add case `g'.
20895 * src/files.c (graph_obstack): New obstack struct.
20896 (open_files): Initialize new obstack.
20897 (output_files): Saves graph_obstack if required.
20898 * src/files.h (graph_obstack): New extern declaration.
20899 * src/Makefile.am: Add new source files.
20901 2001-08-06 Marc Autret <autret_m@epita.fr>
20903 * src/print_graph.c, src/print_graph.h (graph): New.
20904 * src/vcg.h: New file.
20905 * src/vcg.c: New file, VCG graph handling.
20907 2001-08-06 Marc Autret <autret_m@epita.fr>
20909 Add of %source_extension and %header_extension which specify
20910 the source or/and the header output file extension.
20912 * src/files.c (compute_base_names): Remove initialisation of
20913 src_extension and header_extension.
20914 (compute_exts_from_gf): Update.
20915 (compute_exts_from_src): Update.
20916 (output_files): Update.
20917 * src/reader.c (parse_header_extension_decl): New.
20918 (parse_source_extension_decl): New.
20919 (read_declarations): New case statements for the new tokens.
20920 * src/lex.c (percent_table): Add entries for %source_extension
20921 and %header_extension.
20922 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
20924 2001-08-06 Marc Autret <autret_m@epita.fr>
20926 * configure.in: Bump to 1.28c.
20927 * doc/bison.texinfo: Texinfo thingies.
20929 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
20931 * tests/atconfig.in (CPPFLAGS): Add.
20932 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
20934 2001-08-03 Akim Demaille <akim@epita.fr>
20938 2001-08-03 Akim Demaille <akim@epita.fr>
20940 * tests/Makefile.am (check-local): Ship testsuite.
20941 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
20942 Include `string.h'.
20944 2001-08-03 Akim Demaille <akim@epita.fr>
20946 * configure.in: Try using -Wformat when compiling.
20948 2001-08-03 Akim Demaille <akim@epita.fr>
20950 * configure.in: Bump to 1.28b.
20952 2001-08-03 Akim Demaille <akim@epita.fr>
20954 * src/complain.c: Adjust strerror_r portability issues.
20956 2001-08-03 Akim Demaille <akim@epita.fr>
20960 2001-08-03 Akim Demaille <akim@epita.fr>
20962 * src/getargs.c, src/getarg.h (skeleton)): Constify.
20963 * src/lex.c (literalchar): Avoid name clashes on `buf'.
20964 * src/getargs.c: Include complain.h.
20965 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
20966 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
20968 2001-08-03 Akim Demaille <akim@epita.fr>
20970 * src/reader.c (readgram): Display hidden chars in error messages.
20972 2001-08-03 Akim Demaille <akim@epita.fr>
20974 Update to gettext 0.10.39.
20976 2001-08-03 Akim Demaille <akim@epita.fr>
20978 * lib/strspn.c: New.
20980 2001-08-01 Marc Autret <autret_m@epita.fr>
20982 * doc/bison.texinfo: Update.
20983 * doc/bison.1 (mandoc): Update.
20984 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
20985 * src/files.c: Support output files extensions computing.
20986 (src_extension): New static variable.
20987 (header_extension): New static variable.
20988 (tr): New function.
20989 (get_extension_index): New function, gets the index of an extension
20990 filename in a string.
20991 (compute_exts_from_gf): New function, computes extensions from the
20992 grammar file extension.
20993 (compute_exts_from_src): New functions, computes extensions from the
20994 C source file extension, file given by ``-o'' option.
20995 (compute_base_names): Update.
20996 (output_files): Update.
20998 2001-08-01 Robert Anisko <anisko_r@epita.fr>
21000 * doc/bison.texi: Document @$.
21001 (Locations): New section.
21003 2001-07-18 Akim Demaille <akim@epita.fr>
21005 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
21006 * config/prev-version.txt, config/move-if-change: New.
21007 * Makefile.am: Adjust.
21009 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
21011 * src/bison.simple (yyparse): Suppress warning `comparaison
21012 between signed and unsigned'.
21014 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
21016 * src/getargs.h (raw_flag): Remove.
21017 * src/getargs.c: Die on `-r'/`--raw'.
21018 * src/lex.c (parse_percent_token): Die on `%raw'.
21019 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
21020 * tests/calc.at: Suppress test with option `--raw'.
21022 2001-07-14 Akim Demaille <akim@epita.fr>
21025 * configure.in: Require Autoconf 2.50.
21026 Update to gettext 0.10.38.
21028 2001-03-16 Akim Demaille <akim@epita.fr>
21030 * doc/bison.texinfo: ANSIfy the examples.
21032 2001-03-16 Akim Demaille <akim@epita.fr>
21034 * getargs.c (skeleton): New variable.
21035 (longopts): --skeleton is a new option.
21036 (shortopts, getargs): -S is a new option.
21037 * getargs.h: Declare skeleton.
21038 * output.c (output_parser): Use it.
21040 2001-03-16 Akim Demaille <akim@epita.fr>
21042 * m4/strerror_r.m4: New.
21043 * m4/error.m4: Run AC_FUNC_STRERROR_R.
21044 * lib/error.h, lib/error.c: Update.
21046 2001-03-16 Akim Demaille <akim@epita.fr>
21048 * src/getargs.c (longopts): Clean up.
21050 2001-02-21 Akim Demaille <akim@epita.fr>
21052 * src/reader.c (gensym): `gensym_count' is your own.
21053 Use a static buf to create the symbol name, as token_buffer is no
21056 2001-02-08 Akim Demaille <akim@epita.fr>
21058 * src/conflicts.c (conflict_report): Be sure not to append to res
21059 between two calls, which could happen if both first sprintf were
21060 skipped, but not the first cp += strlen.
21062 2001-02-08 Akim Demaille <akim@epita.fr>
21064 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
21065 New, from fileutils 4.0.37.
21066 * configure.in: Require Autoconf 2.49c. I took some time before
21067 making this decision. This is the only way out for portability
21068 issues in Bison, it would mean way too much duplicate effort to
21069 import in Bison features implemented in 2.49c since 2.13.
21070 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
21072 2001-02-02 Akim Demaille <akim@epita.fr>
21074 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
21075 * lib/xalloc.h, lib/xmalloc.c: Update.
21077 2001-01-19 Akim Demaille <akim@epita.fr>
21079 Get rid of the ad hoc handling of token_buffer in the scanner: use
21082 * src/lex.c (token_obstack): New.
21083 (init_lex): Initialize it. No longer call...
21084 (grow_token_buffer): this. Remove it.
21085 Adjust all the places which used it to use the obstack.
21087 2001-01-19 Akim Demaille <akim@epita.fr>
21089 * src/lex.h: Rename all the tokens:
21090 s/\bENDFILE\b/tok_eof/g;
21091 s/\bIDENTIFIER\b/tok_identifier/g;
21093 Let them be enums, not #define, to ease debugging.
21094 Adjust all the code.
21096 2001-01-18 Akim Demaille <akim@epita.fr>
21098 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
21099 * src/lex.c (maxtoken, grow_token_buffer): Static.
21101 2001-01-18 Akim Demaille <akim@epita.fr>
21103 Since we now use obstacks, more % directives can be enabled.
21105 * src/lex.c (percent_table): Also accept `%yacc',
21106 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
21108 Handle the actions for `%semantic_parser' and `%pure_parser' here,
21109 instead of returning a token.
21110 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
21111 * src/reader.c (read_declarations): Adjust.
21112 * src/files.c (open_files): Don't call `compute_base_names', don't
21113 compute `attrsfile' since they depend upon data which might be
21114 *in* the input file now.
21115 (output_files): Do it here.
21116 * src/output.c (output_headers): Document the fact that this patch
21117 introduces a guaranteed SEGV for semantic parsers.
21118 * doc/bison.texinfo: Document them.
21119 * tests/suite.at: Exercise these %options.
21121 2000-12-20 Akim Demaille <akim@epita.fr>
21123 Also handle the output file (--verbose) with obstacks.
21125 * files.c (foutput): Remove.
21126 (output_obstack): New.
21127 Adjust all dependencies.
21128 * src/conflicts.c: Return a string.
21129 * src/system.h (obstack_grow_string): Rename as...
21130 (obstack_sgrow): this. Be ready to work with non literals.
21131 (obstack_fgrow4): New.
21133 2000-12-20 Akim Demaille <akim@epita.fr>
21135 * src/files.c (open_files): Fix the computation of short_base_name
21136 in the case of `-o foo.tab.c'.
21138 2000-12-20 Akim Demaille <akim@epita.fr>
21140 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
21141 (copy_dollar): Now that everything uses obstacks, get rid of the
21144 2000-12-20 Akim Demaille <akim@epita.fr>
21146 * src/files.c (open_files): Actually the `.output' file is based
21147 on the short_base_name, not base_name.
21148 * tests/suite.at (Checking output file names): Adjust.
21150 2000-12-20 Akim Demaille <akim@epita.fr>
21152 * src/bison.s1: Remove, we now use directly...
21153 * src/bison.simple: this.
21154 * src/Makefile.am: Use pkgdata instead of data.
21156 2000-12-20 Akim Demaille <akim@epita.fr>
21158 * src/files.c (guard_obstack): New.
21159 (open_files): Initialize it.
21160 (output_files): Dump it...
21161 * src/files.h: Export it.
21162 * src/reader.c (copy_guard): Use it.
21164 2000-12-19 Akim Demaille <akim@epita.fr>
21166 * src/files.c (outfile, defsfile, actfile): Removed as global
21168 (open_files): Don't compute them.
21169 (output_files): Adjust.
21170 (base_name, short_base_name): Be global.
21171 Adjust dependencies.
21173 2000-12-19 Akim Demaille <akim@epita.fr>
21175 * src/files.c (strsuffix): New.
21176 (stringappend): Be just like strcat but allocate.
21177 (base_names): Eve out from open_files.
21178 Try to simplify the rather hairy computation of base_name and
21180 (open_files): Use it.
21181 * tests/suite.at (Checking output file names): New test.
21183 2000-12-19 Akim Demaille <akim@epita.fr>
21185 * src/system.h (obstack_grow_literal_string): Rename as...
21186 (obstack_grow_string): this.
21187 * src/output.c (output_parser): Recognize `%% actions' instead of
21189 * src/bison.s1: s/$/%% actions/.
21190 * src/bison.hairy: Likewise.
21192 2000-12-19 Akim Demaille <akim@epita.fr>
21194 * src/output.c (output_parser): Compute the `#line' lines when
21196 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
21197 Suggested by Hans Aberg.
21199 2000-12-19 Akim Demaille <akim@epita.fr>
21201 Let the handling of the skeleton files be local to the procedures
21204 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
21206 (fparser, open_extra_files): Remove.
21207 (open_files, output_files): Don't take care of fparser.
21208 * src/files.h: Adjust.
21209 * src/output.c (output_parser): Open and close the file to the
21211 * src/reader.c (read_declarations): When %semantic_parser, open
21214 2000-12-19 Akim Demaille <akim@epita.fr>
21216 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
21217 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
21219 2000-12-19 Akim Demaille <akim@epita.fr>
21221 * src/files.c (open_files): Yipee! We no longer need all the code
21222 looking for `/tmp' since we have no tmp file.
21224 2000-12-19 Akim Demaille <akim@epita.fr>
21226 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
21228 * src/files.c (open_files): Less dependency on MSDOS etc.
21230 2000-12-14 Akim Demaille <akim@epita.fr>
21232 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
21233 Provide a default definition.
21234 Use it when executing the default @ action.
21235 * src/reader.c (reader_output_yylsp): No longer include
21236 `timestamp' and `text' in the default YYLTYPE.
21238 2000-12-12 Akim Demaille <akim@epita.fr>
21240 * src/reader.c (copy_definition, parse_union_decl, copy_action)
21241 (copy_guard): Quote the file names.
21242 Reported by Laurent Mascherpa.
21244 2000-12-12 Akim Demaille <akim@epita.fr>
21246 * src/output.c (output_headers, output_program, output): Be sure
21247 to escape special characters when outputting filenames.
21248 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
21249 (output_headers): Don't depend on them, Use ACTSTR.
21251 2000-11-17 Akim Demaille <akim@epita.fr>
21253 * lib/obstack.h: Formatting changes.
21254 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
21255 prevents type checking.
21256 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
21257 cast the value to (void *): assigning a `foo *' to a `void *'
21259 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
21260 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
21263 2000-11-17 Akim Demaille <akim@epita.fr>
21265 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
21267 (suite.m4, regression.m4, calc.m4): these.
21268 * tests/atgeneral.m4: Update from CVS Autoconf.
21270 2000-11-17 Akim Demaille <akim@epita.fr>
21272 * tests/regression.m4 (%union and --defines): New test,
21273 demonstrating a current bug in the obstack implementation.
21275 2000-11-17 Akim Demaille <akim@epita.fr>
21277 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
21279 Use them to declare the variables which are global or local to
21282 2000-11-17 Akim Demaille <akim@epita.fr>
21284 * acconfig.h: Remove, no longer used.
21286 2000-11-07 Akim Demaille <akim@epita.fr>
21288 * src: s/Copyright (C)/Copyright/g.
21290 2000-11-07 Akim Demaille <akim@epita.fr>
21292 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
21294 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
21296 2000-11-07 Akim Demaille <akim@epita.fr>
21298 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
21299 Merge in a single CPP if/else.
21301 2000-11-07 Akim Demaille <akim@epita.fr>
21303 * src/output.c (output): Remove useless variables.
21304 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
21305 argument `data' for consistency with the prototypes.
21306 Qualify it `const'.
21307 (obstack_copy, obstack_copy0): Rename the second argument as
21308 `address' for consistency. Qualify it `const'.
21309 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
21310 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
21311 `const' their input argument (`data' or `address').
21312 Adjust the corresponding macros to include `const' in casts.
21314 2000-11-03 Akim Demaille <akim@epita.fr>
21316 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
21317 s/PFILE1/BISON_HAIRY/.
21318 Adjust dependencies.
21320 2000-11-03 Akim Demaille <akim@epita.fr>
21322 For some reason, this was not applied.
21324 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21325 `unlink': it's no longer used.
21327 2000-11-03 Akim Demaille <akim@epita.fr>
21329 * src/files.c (skeleton_find): New function, eved out of...
21330 (open_files, open_extra_files): here.
21332 2000-11-03 Akim Demaille <akim@epita.fr>
21334 Don't use `atexit'.
21336 * src/files.c (obstack_save): New function.
21337 (done): Rename as...
21338 (output_files): this.
21339 Use `obstack_save'.
21340 * src/main.c (main): Don't use `atexit' to register `done', since
21341 it no longer has to remove tmp files, just call `output_files'
21342 when there are no errors.
21344 2000-11-02 Akim Demaille <akim@epita.fr>
21346 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21347 `unlink': it's no longer used.
21348 * src/files.h: Formatting changes.
21350 2000-11-02 Akim Demaille <akim@epita.fr>
21352 Remove the last uses of mktemp and unlink/delete.
21354 * src/files.c (fdefines, ftable): Removed.
21355 (defines_ostack, table_obstack): New.
21356 Adjust dependencies of the former into uses of the latter.
21357 * src/output.c (output_short_or_char_table, output_short_table):
21358 Convert to using obstacks.
21359 * src/reader.c (copy_comment2): Accept one FILE * and two
21361 (output_token_defines, reader_output_yylsp): Use obstacks.
21362 * src/system.h (obstack_fgrow3): New.
21363 * po/POTFILES.in: Adjust.
21365 2000-11-01 Akim Demaille <akim@epita.fr>
21367 Change each use of `fattrs' into a use of `attrs_obstack'.
21369 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
21370 * src/files.c (fattrs): Remove.
21371 (attrs_obstack): New.
21372 Adjust all dependencies.
21373 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
21375 2000-11-01 Akim Demaille <akim@epita.fr>
21377 Introduce obstacks.
21378 Change each use of `faction' into a use of `action_obstack'.
21380 * lib/obstack.h, lib/obstack.c: New files.
21381 * src/files.c (faction): Remove.
21382 (action_obstack): New.
21383 Adjust all dependencies.
21385 2000-10-20 Akim Demaille <akim@epita.fr>
21387 * lib/quote.h (PARAMS): New macro. Use it.
21389 2000-10-16 Akim Demaille <akim@epita.fr>
21391 * src/output.c (output_short_or_char_table): New function.
21392 (output_short_table, output_token_translations): Use it.
21393 (goto_actions): Use output_short_table.
21395 2000-10-16 Akim Demaille <akim@epita.fr>
21397 * src/symtab.c (bucket_new): New function.
21400 * src/output.c (output_short_table): New argument to display the
21401 comment associated with the table.
21402 Adjust dependencies.
21403 (output_gram): Use it.
21404 (output_rule_data): Nicer output layout for YYTNAME.
21406 2000-10-16 Akim Demaille <akim@epita.fr>
21408 * src/lex.c (read_typename): New function.
21410 * src/reader.c (copy_dollar): Likewise.
21412 2000-10-16 Akim Demaille <akim@epita.fr>
21414 * src/reader.c (copy_comment2): Expect the input stream to be on
21415 the `/' which is suspected to open a comment, instead of being
21416 called after `//' or `/*' was read.
21417 (copy_comment, copy_definition, parse_union_decl, copy_action)
21418 (copy_guard): Adjust.
21420 2000-10-16 Akim Demaille <akim@epita.fr>
21422 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
21423 `read_signed_integer'.
21425 2000-10-16 Akim Demaille <akim@epita.fr>
21427 * src/reader.c (copy_dollar): New function.
21428 (copy_guard, copy_action): Use it.
21430 2000-10-16 Akim Demaille <akim@epita.fr>
21432 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
21433 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
21434 New files, from Fileutils 4.0.27.
21435 * src/main.c (printable_version): Remove.
21436 * src/lex.c, src/reader.c: Use `quote'.
21438 2000-10-04 Akim Demaille <akim@epita.fr>
21440 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
21442 2000-10-04 Akim Demaille <akim@epita.fr>
21444 * doc/bison.texinfo: Various typos spotted by Neil Booth.
21446 2000-10-04 Akim Demaille <akim@epita.fr>
21448 When a literal string is used to define two different tokens,
21449 `bison -v' segfaults.
21450 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
21452 * tests/regression.m4: New file.
21453 Include the core of the sample provided by Piotr Gackiewicz.
21454 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
21457 2000-10-04 Akim Demaille <akim@epita.fr>
21459 * src/reader.c (parse_expect_decl): Keep `count' within the size
21463 2000-10-02 Paul Eggert <eggert@twinsun.com>
21465 * bison.s1 (yyparse): Assign the default value
21466 unconditionally, to avoid a GCC warning and make the parser a
21469 2000-10-02 Akim Demaille <akim@epita.fr>
21471 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
21474 2000-10-02 Akim Demaille <akim@epita.fr>
21476 * src/derives.c, src/print.c, src/reduce.c: To ease the
21477 translation, move some `\n' out of the translated strings.
21479 2000-10-02 Akim Demaille <akim@epita.fr>
21481 The location tracking mechanism is precious for parse error
21482 messages. Nevertheless, it is enabled only when `@n' is used in
21483 the grammar, which is a different issue (you can use it in error
21484 message, but not in the grammar per se). Therefore, there should
21485 be another means to enable it.
21487 * src/getargs.c (getargs): Support `--locations'.
21488 (usage): Report it.
21489 * src/getargs.h (locationsflag): Export it.
21490 * src/lex.c (percent_table): Support `%locations'.
21491 * src/reader.c (yylsp_needed): Remove this variable, now replaced
21492 with `locationsflag'.
21493 * doc/bison.texinfo: Document `--locations' and `%locations'.
21495 * tests/calc.m4: Test it.
21497 For regularity of the names, replace each
21498 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
21499 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
21500 In addition replace each `flag' with `_flag'.
21502 2000-10-02 Akim Demaille <akim@epita.fr>
21504 Also test parse error messages, including with YYERROR_VERBOSE.
21506 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
21508 Use it to check the computations.
21509 Use it to check `nonassoc' is honored.
21510 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
21511 `--yyerror-verbose'.
21512 (_AT_CHECK_CALC): Adjust to this option.
21513 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
21515 2000-10-02 Akim Demaille <akim@epita.fr>
21517 Test also `--verbose', `--defines' and `--name-prefix'. Testing
21518 the latter demonstrates a flaw in the handling of non debugging
21519 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
21520 was used in order to simplify:
21536 unfortunately this leads to a CPP conflict when
21537 `--name-prefix=foo' is used since it produces `#define yydebug
21540 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
21541 (YYDPRINTF): New macro.
21543 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
21545 Also test `--verbose', `--defines' and `--name-prefix'.
21547 2000-10-02 Akim Demaille <akim@epita.fr>
21549 Improve the readability of the produced parsers.
21551 * src/bison.s1: Formatting changes.
21552 Improve the comment related to the `$' mark.
21553 (yydefault): Don't fall through to `yyresume': `goto' there.
21554 * src/output.c (output_parser): When the `$' is met, skip the end
21556 New variable, `number_of_dollar_signs', to check there's exactly
21557 one `$' in the parser skeleton.
21559 2000-10-02 Akim Demaille <akim@epita.fr>
21561 * lib/xstrdup.c: New file, from the fileutils.
21562 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
21563 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
21564 instead of strlen + xmalloc + strcpy.
21565 * src/symtab.c (copys): Remove, use xstrdup instead.
21567 2000-10-02 Akim Demaille <akim@epita.fr>
21569 * src/gram.h (associativity): New enum type which replaces the
21570 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
21571 `right_assoc', `left_assoc' and `non_assoc'.
21572 Adjust all dependencies.
21573 * src/reader.c: Formatting changes.
21574 (LTYPESTR): Don't define it, use it as a literal in
21575 `reader_output_yylsp'.
21576 * src/symtab.h (symbol_class): New enum type which replaces the
21577 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
21578 `sunknown', `stoken and `snterm'.
21580 2000-10-02 Akim Demaille <akim@epita.fr>
21582 * src/getargs.c (fixed_outfiles): Rename as...
21583 (yaccflag): for consistency and accuracy.
21584 Adjust dependencies.
21586 2000-10-02 Akim Demaille <akim@epita.fr>
21588 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
21589 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
21590 difficult and introduced a lot of core dump. It turns out that
21591 Bison used an implementation of `xmalloc' based on `calloc', and
21592 at various places it does depend upon the initialization to 0. I
21593 have not tried to isolate the pertinent places, and all the former
21594 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
21595 someone should address this issue.
21597 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
21598 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
21600 Adjust dependencies.
21601 * src/warshall.h: New file.
21604 2000-10-02 Akim Demaille <akim@epita.fr>
21606 Various anti-`extern in *.c' changes.
21608 * src/system.h: Include `assert.h'.
21610 2000-10-02 Akim Demaille <akim@epita.fr>
21612 * src/state.h (nstates, final_state, first_state, first_shift)
21613 (first_reduction): Move their exportation from here...
21614 * src/LR0.h: to here.
21615 Adjust dependencies.
21616 * src/getargs.c (statisticsflag): New variable.
21617 Add support for `--statistics'.
21618 Adjust dependencies.
21620 Remove a lot of now useless `extern' statements in most files.
21622 2000-10-02 Akim Demaille <akim@epita.fr>
21624 * src/LR0.h: New file.
21627 2000-10-02 Akim Demaille <akim@epita.fr>
21629 * src/print.h: New file.
21631 * src/print.c: Formatting and ordering changes.
21632 (verbose, terse): Replace with...
21633 (print_results): this new function.
21634 Adjust dependencies.
21636 2000-10-02 Akim Demaille <akim@epita.fr>
21638 * src/conflicts.c (conflict_report): New function.
21639 (conflict_log, verbose_conflict_log): Replace with...
21640 (print_conflicts): this function.
21641 Adjust dependencies.
21642 * src/conflicts.h: New file.
21643 Propagate its inclusion.
21645 2000-10-02 Akim Demaille <akim@epita.fr>
21647 * src/nullable.h: New file.
21648 Propagate its inclusion.
21649 * src/nullable.c: Formatting changes.
21651 2000-10-02 Akim Demaille <akim@epita.fr>
21653 * src/reduce.h: New file.
21654 Propagate its inclusion.
21655 * src/reduce.c: Topological sort and other formatting changes.
21656 (bool, TRUE, FALSE): Move their definition to...
21657 * src/system.h: here.
21659 2000-10-02 Akim Demaille <akim@epita.fr>
21661 * src/files.c: Formatting changes.
21662 (tryopen, tryclose, openfiles): Rename as...
21663 (xfopen, xfclose, open_files): this.
21664 (stringappend): static.
21665 * src/files.h: Complete the list of exported symbols.
21668 2000-10-02 Akim Demaille <akim@epita.fr>
21670 * src/reader.h: New file.
21671 Propagate its use instead of tedious list of `extern' and
21673 * src/reader.c: Formatting changes, topological sort,
21676 2000-10-02 Akim Demaille <akim@epita.fr>
21678 * src/lex.h: Prototype `lex.c' exported functions.
21679 * src/reader.c: Adjust.
21680 * src/lex.c: Formatting changes.
21681 (safegetc): Rename as...
21684 2000-10-02 Akim Demaille <akim@epita.fr>
21686 * src/lalr.h: New file.
21687 Propagate its inclusion instead of prototypes and `extern'.
21688 * src/lalr.c: Formatting changes, topological sorting etc.
21690 2000-10-02 Akim Demaille <akim@epita.fr>
21692 * src/output.c (token_actions): Introduce a temporary array,
21693 YYDEFACT, that makes it possible for this function to use
21694 output_short_table.
21696 2000-10-02 Akim Demaille <akim@epita.fr>
21698 `user_toknums' is output as a `short[]' in `output.c', while it is
21699 defined as a `int[]' in `reader.c'. For consistency with the
21700 other output tables, `user_toknums' is now defined as a table of
21703 * src/reader.c (user_toknums): Be a short table instead of an int
21705 Adjust dependencies.
21707 Factor the short table outputs.
21709 * src/output.c (output_short_table): New function.
21710 * src/output.c (output_gram, output_stos, output_rule_data)
21711 (output_base, output_table, output_check): Use it.
21713 2000-10-02 Akim Demaille <akim@epita.fr>
21715 * src/output.c (output): Topological sort of the functions, in
21716 order to get rid of the `static' prototypes.
21717 No longer use `register'.
21718 * src/output.h: New file.
21719 Propagate its inclusion in files explicitly prototyping functions
21722 2000-09-21 Akim Demaille <akim@epita.fr>
21724 * src/atgeneral.m4: Update from Autoconf.
21726 2000-09-21 Akim Demaille <akim@epita.fr>
21728 * src/closure.h: New file.
21729 * src/closure.c: Formatting changes, topological sort over the
21730 functions, use of closure.h.
21731 (initialize_closure, finalize_closure): Rename as...
21732 (new_closure, free_closure): these. Adjust dependencies.
21733 * src/LR0.c: Formatting changes, topological sort, use of
21735 (initialize_states): Rename as...
21736 (new_states): this.
21737 * src/Makefile.am (noinst_HEADERS): Adjust.
21739 2000-09-20 Akim Demaille <akim@epita.fr>
21741 * src/acconfig.h: Don't protect config.h against multiple
21743 Don't define PARAMS.
21744 * src/system.h: Define PARAMS.
21745 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
21746 purpose of config.h. system.h must not try to fix wrong
21747 definitions in config.h.
21749 2000-09-20 Akim Demaille <akim@epita.fr>
21751 * src/derives.h: New file.
21752 * src/main.c, src/derives.h: Use it.
21753 Formatting changes.
21754 * src/Makefile.am (noinst_HEADERS): Adjust.
21756 2000-09-20 Akim Demaille <akim@epita.fr>
21758 * tests/atgeneral.m4: Update from Autoconf.
21759 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
21760 (AT_CHECK_CALC): New macros.
21761 Use these macros to test bison with options `', `--raw',
21762 `--debug', `--yacc', `--yacc --debug'.
21764 2000-09-19 Akim Demaille <akim@epita.fr>
21766 * src/output.c: Formatting changes.
21767 * src/machine.h: Remove, leaving its contents in...
21768 * src/system.h: here.
21770 Adjust all dependencies on stdio.h and machine.h.
21771 * src/getargs.h: New file.
21772 Let all `extern' declarations about getargs.c be replaced with
21773 inclusion of `getargs.h'.
21774 * src/Makefile.am (noinst_HEADERS): Adjust.
21776 * tests/calc.m4 (yyin): Be initialized in main, not on the global
21778 (yyerror): Returns void, not int.
21779 * doc/bison.texinfo: Formatting changes.
21781 2000-09-19 Akim Demaille <akim@epita.fr>
21783 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
21786 2000-09-18 Akim Demaille <akim@epita.fr>
21788 * configure.in: Append WARNING_CFLAGS to CFLAGS.
21789 * src/Makefile.am (INCLUDES): Don't.
21790 Be ready to fetch headers in lib/.
21792 2000-09-18 Akim Demaille <akim@epita.fr>
21794 * doc/bison.texinfo: Update the copyright.
21795 ANSIfy and GNUify the examples.
21796 Remove the old menu.
21798 2000-09-18 Akim Demaille <akim@epita.fr>
21800 First set of tests: use the `calc' example from the documentation.
21802 * src/bison.s1 (yyparse): Condition the code using `yytname' which
21803 is defined only when YYDEBUG is.
21804 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
21805 * src/files.c (tryopen, tryclose): Formatting changes.
21806 Move to the top and be static.
21807 * src/reader.c (read_signed_integer): Likewise.
21808 * tests/calc.m4: New file.
21809 * Makefile.am, suite.m4: Adjust.
21810 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
21812 2000-09-18 Akim Demaille <akim@epita.fr>
21814 Add support for an Autotest test suite for Bison.
21816 * m4/m4.m4, m4/atconfig.m4: New files.
21817 * m4/Makefile.am (EXTRA_DIST): Adjust.
21818 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
21820 * src/getargs.c: Display a more standard --version message.
21821 * src/reader.c (reader): Formatting changes.
21822 No longer depend upon VERSION_STRING.
21823 * configure.in: No longer use `dnl'.
21824 Set up the test suite and the new directory `tests/.
21825 (VERSION_STRING): Remove.
21827 2000-04-14 Akim Demaille <akim@epita.fr>
21829 * src/reader.c (copy_comment2): New function, same as former
21830 `copy_comment', but outputs into two FILE *.
21831 (copy_comment): Use it.
21832 (parse_union_decl): Use it.
21833 (get_type, parse_start_decl): Use the same `invalid' message.
21834 (parse_start_decl, parse_union_decl): Use the same `multiple'
21836 (parse_union_decl, copy_guard, copy_action): Use the same
21837 `unmatched' message.
21838 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
21840 2000-03-31 Akim Demaille <akim@epita.fr>
21842 * src/files.c (tryopen, tryclose): Move to the top.
21845 2000-03-31 Akim Demaille <akim@epita.fr>
21847 * src/main.c (main): Don't call `done', exit does it.
21849 2000-03-31 Akim Demaille <akim@epita.fr>
21851 * allocate.c: s/return (foo)/return foo/.
21852 * lalr.c: Likewise.
21854 * output.c: Likewise.
21855 * reader.c: Likewise.
21856 * symtab.c: Likewise.
21857 * vmsgetargs.c: Likewise.
21859 2000-03-31 Akim Demaille <akim@epita.fr>
21861 Clean up the error reporting functions.
21863 * src/report.c: New file.
21864 * src/report.h: Likewise.
21865 * src/Makefile.am: Adjust.
21866 * m4/error.m4: New file.
21867 * m4/Makefile.am: Adjust.
21868 * configure.in (jm_PREREQ_ERROR): Call it.
21869 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
21871 (fatal, fatals): Remove. All callers use complain.c::fatal.
21872 (warn, warni, warns, warnss, warnss): Remove. All callers use
21873 complain.c::complain.
21874 (toomany): Remove, use fatal instead.
21875 * src/files.c (done): No argument, use complain_message_count.
21876 * src/main.c (main): Register `done' to `atexit'.
21878 * src/getargs.c (usage): More `fputs', less `fprintf'.
21880 2000-03-28 Akim Demaille <akim@epita.fr>
21882 * lib/: New directory.
21883 * Makefile.am (SUBDIRS): Adjust.
21884 * configure.in: Adjust.
21885 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
21887 * src/alloca.c: Moved to lib/.
21888 * src/getopt.c: Likewise.
21889 * src/getopt1.c: Likewise.
21890 * src/getopt.h: Likewise.
21891 * src/ansi2knr.c: Likewise.
21892 * src/ansi2knr.1: Likewise.
21893 * src/Makefile.am: Adjust.
21894 * lib/Makefile.am: New file.
21896 2000-03-28 Akim Demaille <akim@epita.fr>
21898 * src/getargs.c (usage): Refresh the help message.
21900 2000-03-17 Akim Demaille <akim@epita.fr>
21902 * src/getopt1.c: Updated from textutils 2.0e
21903 * src/getopt.c: Likewise.
21904 * src/getopt.h: Likewise.
21906 2000-03-17 Akim Demaille <akim@epita.fr>
21908 * src/Makefile.am (bison.simple): Fix the awk program: quote only
21909 the file name, not the whole `#line LINE FILE'.
21911 2000-03-17 Akim Demaille <akim@epita.fr>
21913 On syntax errors, report the token on which we choked.
21915 * src/bison.s1 (yyparse): In the label yyerrlab, when
21916 YYERROR_VERBOSE, add yychar in msg.
21918 2000-03-17 Akim Demaille <akim@epita.fr>
21920 * src/reader.c (copy_at): New function.
21921 (copy_guard): Use it.
21922 (copy_action): Use it.
21924 2000-03-17 Akim Demaille <akim@epita.fr>
21926 Be kind to translators, save some useless translations.
21928 * src/main.c (banner): New function.
21929 (fatal_banner): Use it.
21930 (warn_banner): Use it.
21932 2000-03-17 Akim Demaille <akim@epita.fr>
21934 * src/reader.c (copy_definition): Use copy_string and
21935 copy_comment. Removed now unused `match', `ended',
21937 (copy_comment, copy_string): Moved, to be visible from
21940 2000-03-17 Akim Demaille <akim@epita.fr>
21942 * src/reader.c (copy_string): Declare `static inline'. No
21943 problems with inline, since it is checked by configure.
21944 (copy_comment): Likewise.
21946 2000-03-17 Akim Demaille <akim@epita.fr>
21948 * src/reader.c (packsymbols): Formatting changes.
21950 2000-03-17 Akim Demaille <akim@epita.fr>
21952 * src/reader.c (copy_comment): New function, factored out from:
21953 (copy_action): Use it. Removed now unused `match', `ended',
21955 (copy_guard): Likewise.
21957 2000-03-17 Akim Demaille <akim@epita.fr>
21959 * src/reader.c (copy_string): New function, factored out from:
21960 (copy_action): Use it.
21961 (copy_guard): Likewise.
21963 2000-03-17 Akim Demaille <akim@epita.fr>
21965 Change the handling of @s so that they behave exactly like $s.
21966 There is now a pseudo variable @$ (readble and writable), location
21967 of the lhs of the rule (by default ranging from the location of
21968 the first symbol of the rhs, to the location of the last symbol,
21969 or, if the rhs is empty, YYLLOC).
21971 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
21973 (yyparse): When providing a default semantic action, provide a
21974 default location action.
21975 (after the $): No longer change `*YYLSP', just stack YYLOC the
21976 same way you stack YYVAL.
21977 * src/reader.c (read_declarations): Use warns.
21978 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
21979 (copy_action, case '@'): Likewise.
21980 Use a standard error message, to save useless work from
21983 2000-03-17 Akim Demaille <akim@epita.fr>
21985 * src/bison.s1: Formatting and cosmetics changes.
21986 * src/reader.c: Likewise.
21987 Update the Copyright notice.
21989 2000-03-17 Akim Demaille <akim@epita.fr>
21991 * src/bison.s1 (#line): All set to `#line' only, since the
21992 Makefile now handles them.
21994 2000-03-16 Akim Demaille <akim@epita.fr>
21996 * src/output.c (output_rule_data): Output the documentation of
21997 some of the tables.
21998 (Copyright notice): Update.
21999 Formatting changes.
22001 2000-03-16 Akim Demaille <akim@epita.fr>
22003 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
22004 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
22005 One `#if YYDEBUG' remains, since it uses variables which are
22006 defined only if `YYDEBUG != 0'.
22008 2000-03-16 Akim Demaille <akim@epita.fr>
22010 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
22011 and related variables so that the similarities are highlighted.
22013 2000-03-16 Akim Demaille <akim@epita.fr>
22015 * src/bison.s1: Properly indent CPP directives.
22017 2000-03-16 Akim Demaille <akim@epita.fr>
22019 * src/bison.s1: Properly indent the `alloca' CPP section.
22021 2000-03-16 Akim Demaille <akim@epita.fr>
22023 Do not hard code values of directories in `configure.in'.
22024 Update the `configure' tool chain.
22026 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
22028 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
22029 (AC_OUTPUT): Add m4/Makefile.
22030 Bump to bison 1.28a, 1.29 has never been released.
22031 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
22032 handled via src/Makefile.am.
22033 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
22034 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
22036 * Makefile.am (SUBDIRS): Add m4.
22037 (ACLOCAL_AM_FLAGS): New variable.
22038 (AUTOMAKE_OPTIONS): Add check-news.
22039 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
22040 the proper line number and file name.
22041 (DEFS): Propagate the location of bison library files and of the
22043 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
22045 * acinclude.m4: Remove, replaced by the directory m4.
22046 * m4/Makefile.am (EXTRA_DIST): New variable.
22047 * m4/gettext.m4: New file, from the fileutils.
22048 * m4/lcmessage.m4: Likewise
22049 * m4/progtest.m4: Likewise.
22050 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
22052 2000-03-10 Akim Demaille <akim@epita.fr>
22055 Formatting changes of various comments.
22056 Respect the GNU coding standards at various places.
22057 Don't use `_()' when no translation is needed.
22059 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22062 OS/2 honors TMPDIR environment variable.
22064 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22066 * doc/bison.texinfo: Tweaked spelling and grammar.
22068 Removed reference to price of printed copy.
22069 Mention BISON_SIMPLE and BISON_HAIRY.
22071 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22073 * configure.in, NEWS:
22074 Bison 1.29 released.
22076 1999-10-27 Jesse Thilo <jthilo@gnu.org>
22078 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
22079 Added reference card.
22081 1999-07-26 Jesse Thilo <jthilo@gnu.org>
22083 * po/ru.po: Added Russian translation.
22085 1999-07-26 Jesse Thilo <jthilo@gnu.org>
22087 * configure.in: Added Russian translation.
22089 1999-07-06 Jesse Thilo <jthilo@gnu.org>
22091 * configure.in, NEWS, README:
22092 Released version 1.28.
22094 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22097 Squashed redefinition warning on some systems.
22099 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
22100 Have configure build version string instead of relying on ANSI string
22103 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22105 * po/POTFILES.in: Got rid of version.c.
22107 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22109 * acconfig.h, configure.in:
22110 Have configure build version string instead of relying on ANSI string
22113 1999-06-08 Jesse Thilo <jthilo@gnu.org>
22116 Dropped mention of `+' for long-named options.
22118 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22120 * src/files.c: Added <unistd.h> for unlink().
22122 * src/Makefile.am, src/system.h:
22125 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22127 * README: Added a FAQ list.
22129 * configure.in, acconfig.h:
22132 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22134 * doc/FAQ, doc/Makefile.am:
22137 1999-05-19 Jesse Thilo <jthilo@gnu.org>
22139 * src/alloc.h, src/symtab.h, src/version.c:
22140 Protected inclusion of "config.h" with HAVE_CONFIG_H.
22142 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22144 * src/.cvsignore, src/Makefile.am:
22145 Reorganized: sources in `src', documentation in `doc'.
22147 * src/lex.c (literalchar):
22148 fixed the code for escaping double quotes (thanks
22151 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22153 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
22154 Adjusted paths to reflect directory reorganization.
22156 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22158 * doc/.cvsignore, doc/Makefile.am:
22159 Reorganized: sources in `src', documentation in `doc'.
22161 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22164 Updated AC_INIT file to reflect directory reorganization.
22166 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
22167 Reorganized: sources in `src', documentation in `doc'.
22169 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22172 Don't declare calloc() and realloc() if not necessary.
22174 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22176 * configure.in, acconfig.h, acinclude.m4:
22177 Don't declare calloc() and realloc() if not necessary.
22179 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22181 * po/.cvsignore: Added i18n support.
22183 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22185 * acconfig.h, configure.in, Makefile.am:
22186 Added i18n support.
22188 1999-03-22 Jesse Thilo <jthilo@gnu.org>
22190 * src/bison.s1: Fixed #line numbers.
22192 1999-03-15 Jesse Thilo <jthilo@gnu.org>
22194 * po/es.po, po/fr.po, po/nl.po, po/de.po:
22195 Added PO files from Translation Project.
22197 1999-03-03 Jesse Thilo <jthilo@gnu.org>
22200 Added support for non-ANSI compilers (ansi2knr).
22202 1999-02-16 Jesse Thilo <jthilo@gnu.org>
22204 * configure.in: Bumped version number to 1.27.
22207 Added `bison.simple' to list of files removed by `make distclean'.
22209 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22211 * src/files.c, src/files.h:
22212 Defined locations of parser files in config.h instead of Makefile.
22214 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22216 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
22217 Defined locations of parser files in config.h instead of Makefile.
22219 1999-02-09 Jesse Thilo <jthilo@gnu.org>
22222 Removed inappropriate use of $< macro.
22224 1999-02-05 Jesse Thilo <jthilo@gnu.org>
22226 * po/Makefile.in.in, po/POTFILES.in:
22227 Add `po' directory skeleton.
22229 1999-01-27 Jesse Thilo <jthilo@gnu.org>
22231 * README: Document help-bison list.
22233 * configure.in: Add check for mkstemp().
22235 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22237 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
22238 Hush a few compiler warnings.
22241 Add tryclose(), which verifies that fclose was successful.
22242 Hush a couple of compiler warnings.
22244 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22246 * Makefile.am, OChangeLog:
22247 ChangeLog is now automatically generated. Include the old version as
22250 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22252 * src/gram.h, src/lalr.c, src/lex.c, src/lex.h, src/machine.h, src/main.c, src/nullable.c, src/output.c, src/print.c, src/reader.c, src/reduce.c, src/state.h, src/symtab.c, src/symtab.h, src/types.h, src/vmsgetargs.c, src/warshall.c, src/allocate.c, src/alloc.h, src/bison.s1, src/closure.c, src/conflicts.c, src/derives.c, src/files.c, src/files.h, src/getargs.c, src/gram.c, src/LR0.c:
22253 Update FSF address.
22255 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22257 * doc/bison.texinfo: Fix formatting glitch.
22259 * doc/bison.texinfo: Update FSF address.
22261 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22263 * acconfig.h: Update FSF address.
22265 1999-01-08 Jesse Thilo <jthilo@gnu.org>
22268 Don't define PACKAGE here, since config.h defines it.
22270 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22272 * src/reader.c: Update copyright date.
22275 Ditch sprintf to statically-sized buffers in fatal/warn functions in
22276 favor of output directly to stderr (avoids buffer overruns).
22278 * src/reader.c: Some checks for premature EOF.
22280 * src/allocate.c, src/alloc.h, src/closure.c, src/conflicts.c, src/derives.c, src/getargs.c, src/gram.c, src/lalr.c, src/lex.c, src/LR0.c, src/main.c, src/nullable.c, src/output.c, src/print.c, src/reduce.c, src/symtab.c, src/symtab.h, src/warshall.c:
22281 Use prototypes if the compiler understands them.
22283 * src/files.c: Honor TMPDIR on Unix hosts.
22284 Use prototypes if the compiler understands them.
22287 Fix a couple of buffer overrun bugs.
22288 Use prototypes if the compiler understands them.
22290 * src/system.h: Include unistd.h and ctype.h.
22291 Use #ifdef instead of #if for NLS symbols.
22293 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22295 * doc/bison.texinfo:
22296 Delete comment "consider using @set for edition number, etc..." since
22297 we now are doing so.
22299 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22302 Use prototypes if the compiler understands them.
22304 * NEWS: Document 1.26 highlights.
22306 * Makefile.am: Require Automake 1.3 or later.
22309 Use prototypes if the compiler understands them.
22311 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22314 Use VERSION symbol from automake for version number.
22316 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22318 * acconfig.h, configure.in, version.cin:
22319 Use VERSION symbol from automake for version number.
22321 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22324 Distribute original version of simple parser (bison.s1), not built
22325 version (bison.simple).
22327 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22329 * doc/bison.texinfo: Add info dir entry.
22331 * doc/bison.texinfo:
22332 Let automake put version number into documentation.
22334 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22336 * src/bison.cld, src/build.com, src/vmshlp.mar:
22337 Add non-RCS files from /gd/gnu/bison.
22339 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22342 Document the BISON_HAIRY and BISON_SIMPLE variables.
22344 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22346 * src/version.c: Build version.c automatically.
22349 Fix token numbering (used to start at 258, not 257).
22351 * src/system.h: Include config.h.
22353 * src/getargs.c: Update bug report address.
22355 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
22356 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
22358 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22361 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22363 * configure.in, version.cin:
22364 Build version.c automatically.
22366 * AUTHORS: Add AUTHORS file.
22368 * README: Update bug report address.
22371 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22373 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
22374 Add automake stuff.
22376 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22378 * doc/bison.texinfo: Clean up some formatting.
22380 1998-05-05 Richard Stallman <rms@gnu.org>
22382 * doc/bison.texinfo:
22383 Explain better why to make a pure parser.
22385 1998-01-05 Richard Stallman <rms@gnu.org>
22387 * src/files.c (openfiles):
22388 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
22389 find a temporary directory, if possible. Do not unlink files while
22392 1997-08-25 Richard Stallman <rms@gnu.org>
22394 * src/reader.c (stack_offset;):
22395 Change some warni to warns.
22397 * src/lex.c (literalchar): Use warns, not warni.
22399 1997-06-28 Richard Stallman <rms@gnu.org>
22401 * src/bison.s1: Add a Bison version comment.
22403 * src/main.c (fatal, warn, berror):
22406 1997-06-28 Richard Stallman <rms@gnu.org>
22408 * Makefile.in (bison_version): New variable.
22409 (dist): Use that variable.
22410 (bison.s1): Substitute the Bison version into bison.simple.
22412 * bison.simple: Add a Bison version comment.
22414 1997-06-18 Richard Stallman <rms@gnu.org>
22416 * src/main.c (fatal, warn, berror):
22417 Make error messages standard.
22418 (toomany): Improve error message text.
22420 * src/LR0.c, src/closure.c, src/conflicts.c, src/derives.c, src/files.c, src/lalr.c, src/lex.c, src/nullable.c, src/output.c, src/print.c, src/reader.c, src/reduce.c, src/symtab.c:
22421 new.h renamed to alloc.h.
22423 1997-06-18 Richard Stallman <rms@gnu.org>
22425 * Makefile.in: new.h renamed to alloc.h.
22427 1997-05-24 Richard Stallman <rms@gnu.org>
22429 * src/lex.c (literalchar):
22430 Fix the code for escaping \, " and '.
22432 (lex): Avoid trouble when there are many chars
22433 to discard in a char literal with just several chars in it.
22435 1997-05-17 Richard Stallman <rms@gnu.org>
22438 Use malloc, if using alloca is troublesome.
22439 (YYSTACK_USE_ALLOCA): New flag macro.
22440 Define it for some systems and compilers.
22441 (YYSTACK_ALLOC): New macro.
22442 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22443 If it was malloc'd, free it.
22445 1997-05-17 Richard Stallman <rms@gnu.org>
22448 Use malloc, if using alloca is troublesome.
22449 (YYSTACK_USE_ALLOCA): New flag macro.
22450 Define it for some systems and compilers.
22451 (YYSTACK_ALLOC): New macro.
22452 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22453 If it was malloc'd, free it.
22455 1997-04-23 Richard Stallman <rms@gnu.org>
22458 (alloca) [__hpux]: Always define as __builtin_alloca.
22460 1997-04-23 Richard Stallman <rms@gnu.org>
22463 (alloca) [__hpux]: Always define as __builtin_alloca.
22465 1997-04-22 Richard Stallman <rms@gnu.org>
22468 [__hpux]: Include alloca.h (right for HPUX 10)
22469 instead of declaring alloca (right for HPUX 9).
22471 * src/bison.s1 (__yy_memcpy):
22472 Declare arg `count' as unsigned int.
22473 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22475 1997-04-22 Richard Stallman <rms@gnu.org>
22478 [__hpux]: Include alloca.h (right for HPUX 10)
22479 instead of declaring alloca (right for HPUX 9).
22481 * bison.simple (__yy_memcpy):
22482 Declare arg `count' as unsigned int.
22483 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22485 1997-01-03 Richard Stallman <rms@gnu.org>
22487 * src/allocate.c: [__STDC__ or _MSC_VER]:
22488 Declare calloc and realloc to return void *.
22490 1997-01-02 Richard Stallman <rms@gnu.org>
22493 [_MSC_VER]: Include stdlib.h and process.h.
22494 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
22496 * src/main.c (main): Return FAILURE as a value.
22497 (printable_version): Declare arg as int, not char.
22499 1997-01-02 Richard Stallman <rms@gnu.org>
22501 * Makefile.in (dist):
22502 Explicitly check for symlinks, and copy them.
22504 1996-12-19 Richard Stallman <rms@gnu.org>
22507 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
22509 1996-12-18 Paul Eggert <eggert@gnu.org>
22511 * src/bison.s1 (yyparse):
22512 If __GNUC__ and YYPARSE_PARAM are both defined,
22513 declare yyparse to have a void * argument.
22515 1996-12-18 Paul Eggert <eggert@gnu.org>
22517 * bison.simple (yyparse):
22518 If __GNUC__ and YYPARSE_PARAM are both defined,
22519 declare yyparse to have a void * argument.
22521 1996-12-17 Richard Stallman <rms@gnu.org>
22523 * src/reduce.c (nbits): Add some casts.
22525 1996-08-12 Richard Stallman <rms@gnu.org>
22527 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
22529 1996-08-12 Richard Stallman <rms@gnu.org>
22531 * bison.simple: Test _MSDOS as well as _MSDOS_.
22533 1996-07-31 Richard Stallman <rms@gnu.org>
22536 [__sun && __i386]: Include alloca.h.
22538 1996-07-31 Richard Stallman <rms@gnu.org>
22541 [__sun && __i386]: Include alloca.h.
22543 1996-07-30 Richard Stallman <rms@gnu.org>
22545 * src/bison.s1: Comment change.
22547 * src/bison.s1: Test _MSDOS_, not MSDOS.
22549 1996-07-30 Richard Stallman <rms@gnu.org>
22551 * bison.simple: Comment change.
22553 * bison.simple: Test _MSDOS_, not MSDOS.
22555 1996-06-01 Richard Stallman <rms@gnu.org>
22557 * src/reduce.c, src/reader.c, src/print.c, src/output.c, src/nullable.c, src/lex.c, src/lalr.c, src/getargs.c, src/derives.c, src/conflicts.c, src/closure.c, src/allocate.c:
22558 Insert `_' macro around many string constants.
22561 Insert `_' macro around many string constants.
22563 (main): Call setlocale, bindtextdomain and textdomain.
22565 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
22566 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
22567 [ENABLE_NLS]: Include libintl.h.
22568 [ENABLE_NLS] (gettext): Define.
22569 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
22570 (N_, PACKAGE, LOCALEDIR): New macros.
22572 1996-06-01 Richard Stallman <rms@gnu.org>
22574 * POTFILES.in: New file.
22576 * Makefile.in (allocate.o):
22577 Define target explicitly.
22579 * Makefile.in (CFLAGS): Set to @CFLAGS@.
22580 (LDFLAGS): Set to @LDFLAGS@.
22581 (configure): Run autoconf only if preceding `cd' succeeds.
22582 (bison.s1): Redirect output to temporary file then move the
22583 temporary to the target, rather than redirecting directly to bison.s1.
22584 (clean): Remove config.status and config.log.
22585 (distclean): Don't remove config.status here.
22587 1996-05-12 Richard Stallman <rms@gnu.org>
22590 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22592 1996-05-12 Richard Stallman <rms@gnu.org>
22595 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22597 1996-05-11 Richard Stallman <rms@gnu.org>
22599 * src/bison.s1 (__yy_memcpy):
22600 Really reorder the args, as was supposedly done on Feb 14 1995.
22601 (yyparse): Calls changed accordingly.
22603 1996-05-11 Richard Stallman <rms@gnu.org>
22605 * Makefile.in (dist): Don't use $(srcdir).
22607 * bison.simple (__yy_memcpy):
22608 Really reorder the args, as was supposedly done on Feb 14 1995.
22609 (yyparse): Calls changed accordingly.
22611 1996-01-27 Richard Stallman <rms@gnu.org>
22613 * src/output.c (output_rule_data):
22614 Test YYERROR_VERBOSE in the conditional
22615 around the definition of ttyname.
22617 1995-12-29 Richard Stallman <rms@gnu.org>
22620 Fix line numbers in #line commands.
22622 1995-12-29 Richard Stallman <rms@gnu.org>
22625 Fix line numbers in #line commands.
22627 1995-12-27 Richard Stallman <rms@gnu.org>
22629 * src/bison.s1 (YYPARSE_PARAM_DECL):
22630 In C++, make it always null.
22631 (YYPARSE_PARAM_ARG): New macro.
22632 (yyparse): Use YYPARSE_PARAM_ARG.
22634 1995-12-27 Richard Stallman <rms@gnu.org>
22636 * bison.simple (YYPARSE_PARAM_DECL):
22637 In C++, make it always null.
22638 (YYPARSE_PARAM_ARG): New macro.
22639 (yyparse): Use YYPARSE_PARAM_ARG.
22641 1995-11-29 Richard Stallman <rms@gnu.org>
22643 * doc/bison.texinfo:
22644 Describe literal string tokens, %raw, %no_lines, %token_table.
22646 1995-11-29 Daniel Hagerty <hag@gnu.org>
22648 * doc/bison.texinfo: Fixed update date
22650 1995-10-16 Richard Stallman <rms@gnu.org>
22652 * src/version.c: Version 1.25.
22654 1995-10-16 Richard Stallman <rms@gnu.org>
22656 * NEWS: *** empty log message ***
22658 1995-10-16 Richard Stallman <rms@gnu.org>
22660 * doc/bison.1, doc/bison.rnh:
22663 1995-10-15 Richard Stallman <rms@gnu.org>
22665 * src/vmsgetargs.c, src/getargs.c:
22666 Added -n, -k, and -raw switches.
22667 (noparserflag, toknumflag, rawtoknumflag): New variables.
22669 * src/symtab.h (SALIAS):
22670 New #define for adding aliases to %token.
22671 (struct bucket): Added `alias' field.
22673 * src/reduce.c (reduce_grammar):
22674 Revise error message.
22675 (print_notices): Remove final `.' from error message.
22677 * src/reader.c (reader_output_yylsp):
22679 (readgram): Use `#if 0' around code that accepted %command
22680 inside grammar rules: The documentation doesn't allow it,
22681 and it will fail since the %command processors scan for the next %.
22682 (parse_token_decl): Extended the %token
22683 declaration to allow a multi-character symbol as an alias.
22684 (parse_thong_decl): New function.
22685 (read_declarations): Added %thong declarations.
22686 (read_declarations): Handle NOOP to deal with allowing
22687 % declarations as another means to specify the flags.
22688 (readgram): Allow %prec prior to semantics embedded in a rule.
22689 (skip_to_char, read_declarations, copy_definition)
22690 (parse_token_decl, parse_start_decl, parse_type_decl)
22691 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
22692 (get_type_name, copy_guard, copy_action, readgram)
22693 (get_type, packsymbols): Revised most error messages.
22694 Changed `fatal' to `warnxxx' to avoid aborting for error.
22695 Revised and use multiple warnxxx functions to avoid using VARARGS1.
22696 (read_declarations): Improve the error message for
22697 an invalid character. Do not abort.
22698 (read_declarations, copy_guard, copy_action): Use
22699 printable_version to avoid unprintable characters in printed output.
22700 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
22701 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
22702 Allow the type of a non-terminal can be given
22703 more than once, as long as all specifications give the same type.
22706 (output_headers, output_trailers, output, output_gram)
22707 (output_rule_data): Implement noparserflag variable.
22708 Implement toknumflag variable.
22709 (output): Call reader_output_yylsp to output LTYPESTR.
22711 * src/main.c (main):
22712 If reader sees an error, don't process the grammar.
22713 (fatals): Updated to not use VARARGS1.
22714 (printable_version, int_to_string, warn, warni, warns, warnss)
22715 (warnsss): New error reporting functions. Avoid abort for error.
22718 Added THONG and NOOP for alias processing.
22719 Added SETOPT for the new code that allows setting options with %flags.
22722 Include getopt.h. Add some extern decls.
22723 (safegetc): New function to deal with EOF gracefully.
22724 (literalchar); new function to deal with reading \ escapes.
22725 (lex): Use literalchar.
22726 (lex): Implemented "..." tokens.
22727 (literalchar, lex, parse_percent_token): Made tokenbuffer
22728 always contain the token. This includes growing the token
22729 buffer while reading an integer.
22730 (parse_percent_token): Replaced if-else statement with percent_table.
22731 (parse_percent_token): Added % declarations as another
22732 way to specify the flags -n, -l, and -r. Also added hooks for
22733 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
22734 major changes to files.c.
22735 (lex) Retain in the incoming stream a character following
22737 (skip_white_space, lex): Revised most error messages
22738 and changed fatal to warn to avoid aborting.
22739 (percent_table): Added %thong declarations.
22741 * src/gram.h: Comment changes.
22743 * src/files.c (openfiles, open_extra_files, done):
22745 and actfile file. Handle noparserflag. Both for -n switch.
22747 * src/conflicts.c (resolve_sr_conflict):
22748 Remove use of alloca.
22750 1995-06-01 Jim Meyering <meyering@gnu.org>
22752 * doc/bison.texinfo: *** empty log message ***
22754 1995-05-06 Richard Stallman <rms@gnu.org>
22756 * src/bison.s1: Comment change.
22758 1995-05-06 Richard Stallman <rms@gnu.org>
22760 * bison.simple: Comment change.
22762 1995-05-03 Richard Stallman <rms@gnu.org>
22764 * src/version.c: Version now 1.24.
22766 * src/bison.s1: Change distribution terms.
22768 * src/version.c: Version now 1.23.
22770 1995-05-03 Richard Stallman <rms@gnu.org>
22772 * doc/bison.texinfo:
22773 Rewrite "Conditions for Using Bison".
22774 Update version to 1.24.
22776 1995-05-03 Richard Stallman <rms@gnu.org>
22778 * bison.simple: Change distribution terms.
22780 1995-02-23 Richard Stallman <rms@gnu.org>
22782 * src/files.c: Test __VMS_POSIX as well as VMS.
22784 1995-02-14 Jim Meyering <meyering@gnu.org>
22786 * src/bison.s1 (__yy_memcpy):
22787 Renamed from __yy_bcopy to avoid
22788 confusion. Reverse FROM and TO arguments to be consistent with
22791 1995-02-14 Jim Meyering <meyering@gnu.org>
22793 * bison.simple (__yy_memcpy):
22794 Renamed from __yy_bcopy to avoid
22795 confusion. Reverse FROM and TO arguments to be consistent with
22798 1994-11-10 David J. MacKenzie <djm@gnu.org>
22804 * Makefile.in (DISTFILES): Include NEWS.
22806 * Makefile.in (DISTFILES):
22807 Include install-sh, not install.sh.
22809 * configure.in: Update to Autoconf v2 macro names.
22811 1994-10-05 David J. MacKenzie <djm@gnu.org>
22813 * Makefile.in: fix typo
22815 * Makefile.in (prefix, exec_prefix):
22816 Let configure set them.
22818 1994-09-28 David J. MacKenzie <djm@gnu.org>
22820 * Makefile.in: Set datadir to $(prefix)/share.
22822 1994-09-15 Richard Stallman <rms@gnu.org>
22825 Update copyright notice and GPL version.
22827 1994-09-15 Richard Stallman <rms@gnu.org>
22830 Update copyright notice and GPL version.
22832 1994-07-12 Richard Stallman <rms@gnu.org>
22834 * src/reduce.c, src/reader.c:
22837 1994-05-05 David J. MacKenzie <djm@gnu.org>
22839 * Makefile.in: entered into RCS
22841 1994-03-26 Richard Stallman <rms@gnu.org>
22843 * src/bison.s1: entered into RCS
22845 1994-03-26 Richard Stallman <rms@gnu.org>
22847 * bison.simple: entered into RCS
22849 1994-03-25 Richard Stallman <rms@gnu.org>
22851 * src/main.c: entered into RCS
22853 1994-03-24 Richard Stallman <rms@gnu.org>
22855 * src/conflicts.c: entered into RCS
22857 1994-01-02 Richard Stallman <rms@gnu.org>
22859 * Makefile.in: *** empty log message ***
22861 1993-11-21 Richard Stallman <rms@gnu.org>
22863 * src/bison.s1: *** empty log message ***
22865 1993-11-21 Richard Stallman <rms@gnu.org>
22867 * doc/bison.texinfo: entered into RCS
22869 * doc/bison.texinfo: *** empty log message ***
22871 1993-11-21 Richard Stallman <rms@gnu.org>
22873 * bison.simple: *** empty log message ***
22875 1993-10-25 David J. MacKenzie <djm@gnu.org>
22877 * doc/bison.texinfo: *** empty log message ***
22879 1993-10-19 Richard Stallman <rms@gnu.org>
22881 * src/bison.s1: *** empty log message ***
22883 1993-10-19 Richard Stallman <rms@gnu.org>
22885 * bison.simple: *** empty log message ***
22887 1993-10-14 Richard Stallman <rms@gnu.org>
22889 * src/bison.s1: *** empty log message ***
22891 1993-10-14 Richard Stallman <rms@gnu.org>
22893 * bison.simple: *** empty log message ***
22895 1993-09-14 David J. MacKenzie <djm@gnu.org>
22897 * doc/bison.texinfo: *** empty log message ***
22899 1993-09-13 Noah Friedman <friedman@gnu.org>
22901 * Makefile.in: *** empty log message ***
22903 1993-09-10 Richard Stallman <rms@gnu.org>
22905 * src/conflicts.c: *** empty log message ***
22907 * src/system.h: entered into RCS
22909 1993-09-10 Richard Stallman <rms@gnu.org>
22911 * doc/bison.1: entered into RCS
22913 1993-09-06 Noah Friedman <friedman@gnu.org>
22915 * src/version.c: entered into RCS
22917 1993-09-06 Noah Friedman <friedman@gnu.org>
22919 * Makefile.in: *** empty log message ***
22921 1993-07-30 David J. MacKenzie <djm@gnu.org>
22923 * Makefile.in: *** empty log message ***
22925 1993-07-24 Richard Stallman <rms@gnu.org>
22927 * src/bison.s1: *** empty log message ***
22929 1993-07-24 Richard Stallman <rms@gnu.org>
22931 * bison.simple: *** empty log message ***
22933 1993-07-08 David J. MacKenzie <djm@gnu.org>
22935 * Makefile.in: *** empty log message ***
22937 1993-07-04 Richard Stallman <rms@gnu.org>
22939 * src/bison.s1: *** empty log message ***
22941 1993-07-04 Richard Stallman <rms@gnu.org>
22943 * bison.simple: *** empty log message ***
22945 1993-06-26 David J. MacKenzie <djm@gnu.org>
22947 * src/getargs.c: entered into RCS
22949 1993-06-26 David J. MacKenzie <djm@gnu.org>
22951 * doc/bison.texinfo: *** empty log message ***
22953 * doc/bison.1: New file.
22955 1993-06-25 Richard Stallman <rms@gnu.org>
22957 * src/getargs.c: New file.
22959 1993-06-16 Richard Stallman <rms@gnu.org>
22961 * src/bison.s1: *** empty log message ***
22963 1993-06-16 Richard Stallman <rms@gnu.org>
22965 * bison.simple: *** empty log message ***
22967 1993-06-03 Richard Stallman <rms@gnu.org>
22969 * src/bison.s1: New file.
22971 1993-06-03 Richard Stallman <rms@gnu.org>
22973 * doc/bison.texinfo: *** empty log message ***
22975 1993-06-03 Richard Stallman <rms@gnu.org>
22977 * bison.simple: New file.
22979 1993-05-19 Richard Stallman <rms@gnu.org>
22981 * doc/bison.texinfo: New file.
22983 1993-05-07 Noah Friedman <friedman@gnu.org>
22985 * Makefile.in: *** empty log message ***
22987 1993-04-28 Noah Friedman <friedman@gnu.org>
22989 * src/reader.c: *** empty log message ***
22991 1993-04-23 Noah Friedman <friedman@gnu.org>
22993 * src/alloc.h: entered into RCS
22995 1993-04-20 David J. MacKenzie <djm@gnu.org>
22997 * src/version.c: *** empty log message ***
22999 * src/files.c, src/allocate.c:
23002 * src/reader.c: *** empty log message ***
23004 * src/lex.c: entered into RCS
23006 * src/conflicts.c: New file.
23008 * src/symtab.c: entered into RCS
23010 * src/alloc.h: New file.
23012 * src/LR0.c: entered into RCS
23014 1993-04-18 Noah Friedman <friedman@gnu.org>
23016 * src/reader.c: New file.
23018 * src/version.c: *** empty log message ***
23020 1993-04-18 Noah Friedman <friedman@gnu.org>
23022 * Makefile.in: *** empty log message ***
23024 1993-04-17 Noah Friedman <friedman@gnu.org>
23026 * Makefile.in: *** empty log message ***
23028 1993-04-15 Richard Stallman <rms@gnu.org>
23030 * src/main.c, src/files.c:
23033 1993-04-15 Noah Friedman <friedman@gnu.org>
23035 * configure.in: entered into RCS
23037 * configure.in: *** empty log message ***
23039 * configure.in: New file.
23041 1993-04-14 Richard Stallman <rms@gnu.org>
23043 * Makefile.in: New file.
23045 1993-04-13 Richard Stallman <rms@gnu.org>
23047 * src/version.c: New file.
23049 1993-03-25 Richard Stallman <rms@gnu.org>
23051 * src/output.c: entered into RCS
23053 1992-09-25 Richard Stallman <rms@gnu.org>
23055 * configure.bat: entered into RCS
23057 1992-06-22 Richard Stallman <rms@gnu.org>
23059 * src/vmsgetargs.c: entered into RCS
23061 1992-06-22 Richard Stallman <rms@gnu.org>
23063 * doc/bison.rnh: entered into RCS
23065 1992-04-20 David J. MacKenzie <djm@gnu.org>
23067 * README: entered into RCS
23069 1992-01-22 Richard Stallman <rms@gnu.org>
23071 * src/machine.h: entered into RCS
23073 1991-12-21 Richard Stallman <rms@gnu.org>
23075 * src/lalr.c, src/closure.c:
23078 1991-12-20 Richard Stallman <rms@gnu.org>
23080 * src/state.h: entered into RCS
23082 1991-12-18 Richard Stallman <rms@gnu.org>
23084 * src/print.c, src/nullable.c, src/derives.c:
23087 1991-11-03 David J. MacKenzie <djm@gnu.org>
23089 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
23092 1988-09-09 Richard Stallman <rms@gnu.org>
23094 * src/bison.hairy: entered into RCS
23096 1987-12-16 Richard Stallman <rms@gnu.org>
23098 * REFERENCES: entered into RCS
23103 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
23104 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
23105 Free Software Foundation, Inc.
23107 Copying and distribution of this file, with or without
23108 modification, are permitted provided the copyright notice and this
23109 notice are preserved.