1 # Process this -*- Autotest -*- file with autom4te.
3 # Macros for the GNU Bison Test suite.
5 # Copyright (C) 2003-2015, 2018 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 m4_version_prereq([2.58])
23 # m4_null_if(VAL, IF-TRUE, IF-FALSE)
24 # ----------------------------------
25 # If VAL evaluates to empty or 0, run IF-TRUE, otherwise IF-FALSE.
26 m4_define([m4_null_if],
27 [m4_case(m4_quote($1),
32 # AT_SETUP_STRIP(TITLE)
33 # ---------------------
34 # Abbreviate the TITLE to be passed to AT_SETUP. Remove new-lines
35 # that completely break AT_SETUP.
36 m4_define([AT_SETUP_STRIP],
38 [%\(language\|skeleton\) "?\([^\" ]*\)"?],
40 [%define "?\([-A-Za-z0-9_.]+\)"? \({[^\}]+}\|"[^\"]+"\|[-A-Za-z0-9_.]+\)],
42 [%define "?\([-A-Za-z0-9_.]+\)"?],
53 # AT_MATCHES_CHECK(FILE, PERL-REGEXP, COUNT)
54 # ------------------------------------------
55 # Expect COUNT matches of the PERL-REGEXP in FILE. The file is
56 # taken in "slurp" mode, i.e., one can match end-of-lines.
57 m4_define([AT_MATCHES_CHECK],
58 [AT_CHECK([$PERL -0777 -ne '
60 s{$2}{ ++$count; "" }gem;
61 printf "$count\n";' $1], [0], [$3
65 # AT_SAVE_SPECIAL_FILES / AT_RESTORE_SPECIAL_FILES
66 # ------------------------------------------------
67 # Don't interfere with caller's files.
68 m4_divert_text([PREPARE_TESTS],
69 [at_save_special_files ()
71 for at_save_file in stderr experr expout
73 test ! -f at-bison-check-$at_save_file.bak ||
74 as_fn_error 1 "fatal error: back-up on top of a back-up"
75 test ! -f $at_save_file || mv $at_save_file at-bison-check-$at_save_file.bak
79 at_restore_special_files ()
81 for at_save_file in stderr experr expout
83 test ! -f at-bison-check-$at_save_file.bak ||
84 mv at-bison-check-$at_save_file.bak $at_save_file
89 m4_define([AT_SAVE_SPECIAL_FILES], [at_save_special_files])
90 m4_define([AT_RESTORE_SPECIAL_FILES], [at_restore_special_files])
94 ## ------------------------------- ##
95 ## Macros decoding Bison options. ##
96 ## ------------------------------- ##
98 # AT_LOC_PUSHDEF(FIRST-LINE, FIRST-COLUMN, LAST-LINE, LAST-COLUMN)
99 # ----------------------------------------------------------------
100 # Pushdef AT(_LOC)?_(FIRST|LAST)_(LINE|COLUMN).
101 m4_define([AT_LOC_PUSHDEF],
102 [m4_pushdef([AT_FIRST_LINE], [$1])
103 m4_pushdef([AT_FIRST_COLUMN], [$2])
104 m4_pushdef([AT_LAST_LINE], [$3])
105 m4_pushdef([AT_LAST_COLUMN], [$4])
106 m4_pushdef([AT_LOC_FIRST_LINE], [AT_LOC.AT_FIRST_LINE])
107 m4_pushdef([AT_LOC_FIRST_COLUMN], [AT_LOC.AT_FIRST_COLUMN])
108 m4_pushdef([AT_LOC_LAST_LINE], [AT_LOC.AT_LAST_LINE])
109 m4_pushdef([AT_LOC_LAST_COLUMN], [AT_LOC.AT_LAST_COLUMN])])
113 # Popdef AT(_LOC)?_(FIRST|LAST)_(LINE|COLUMN).
114 m4_define([AT_LOC_POPDEF],
115 [m4_popdef([AT_LOC_FIRST_LINE])
116 m4_popdef([AT_LOC_FIRST_COLUMN])
117 m4_popdef([AT_LOC_LAST_LINE])
118 m4_popdef([AT_LOC_LAST_COLUMN])
119 m4_popdef([AT_FIRST_LINE])
120 m4_popdef([AT_FIRST_COLUMN])
121 m4_popdef([AT_LAST_LINE])
122 m4_popdef([AT_LAST_COLUMN])
127 # AT_BISON_OPTION_PUSHDEFS([BISON-OPTIONS])
128 # -----------------------------------------
129 m4_define([AT_BISON_OPTION_PUSHDEFS],
130 [m4_divert_text([KILL],
131 [_AT_BISON_OPTION_PUSHDEFS($[1], $[2], [$1])])])
134 # _AT_BISON_OPTION_PUSHDEFS($1, $2, [BISON-OPTIONS])
135 # --------------------------------------------------
136 # This macro works around the impossibility to define macros
137 # inside macros, because issuing '[$1]' is not possible in M4 :(.
138 # This sucks hard, GNU M4 should really provide M5-like $$1.
139 m4_define([_AT_BISON_OPTION_PUSHDEFS],
140 [m4_if([$1$2], $[1]$[2], [],
141 [m4_fatal([$0: Invalid arguments: $@])])dnl
142 m4_pushdef([AT_AUTOMOVE_IF],
143 [m4_bmatch([$3], [%define api\.value\.automove], [$1], [$2])])
144 m4_pushdef([AT_DEFINES_IF],
145 [m4_bmatch([$3], [%defines], [$1], [$2])])
146 m4_pushdef([AT_DEBUG_IF],
147 [m4_bmatch([$3], [%debug\|%define parse.trace], [$1], [$2])])
148 m4_pushdef([AT_SKEL_CC_IF],
149 [m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
150 m4_pushdef([AT_SKEL_JAVA_IF],
151 [m4_bmatch([$3], [%language "[Jj][Aa][Vv][Aa]"\|%skeleton "[a-z0-9]+\.java"], [$1], [$2])])
152 # The target language: "c", "c++", or "java".
153 m4_pushdef([AT_LANG],
154 [AT_SKEL_JAVA_IF([java],
155 [AT_SKEL_CC_IF([c++],
157 m4_pushdef([AT_GLR_IF],
158 [m4_bmatch([$3], [%glr-parser\|%skeleton "glr\..*"], [$1], [$2])])
159 m4_pushdef([AT_LALR1_CC_IF],
160 [AT_SKEL_CC_IF([AT_GLR_IF([$2], [$1])], [$2])])
161 m4_pushdef([AT_GLR_CC_IF],
162 [AT_SKEL_CC_IF([AT_GLR_IF([$1], [$2])], [$2])])
164 m4_pushdef([AT_YACC_IF],
165 [m4_bmatch([$3], [%language\|%glr-parser\|%skeleton], [$2], [$1])])
166 m4_pushdef([AT_LEXPARAM_IF],
167 [m4_bmatch([$3], [%lex-param], [$1], [$2])])
168 m4_pushdef([AT_LOCATION_IF],
169 [m4_bmatch([$3], [%locations], [$1], [$2])])
170 m4_pushdef([AT_LOCATION_TYPE_IF],
171 [m4_bmatch([$3], [%define \(api\.location\.type\|location_type\)], [$1], [$2])])
172 m4_pushdef([AT_PARAM_IF],
173 [m4_bmatch([$3], [%parse-param], [$1], [$2])])
174 # Comma-terminated list of formals parse-parameters.
175 # E.g., %parse-param { int x } %parse-param {int y} -> "int x, int y, ".
176 # FIXME: Support grouped parse-param.
177 m4_pushdef([AT_PARSE_PARAMS])
178 m4_bpatsubst([$3], [%parse-param { *\([^{}]*[^{} ]\) *}],
179 [m4_append([AT_PARSE_PARAMS], [\1, ])])
181 m4_pushdef([AT_PURE_IF],
182 [m4_bmatch([$3], [%define *api\.pure\|%pure-parser],
183 [m4_bmatch([$3], [%define *api\.pure *false], [$2], [$1])],
185 m4_pushdef([AT_PUSH_IF],
186 [m4_bmatch([$3], [%define api.push-pull \(both\|pull\)], [$1], [$2])])
187 # AT_NAME_PREFIX: also consider api.namespace.
188 m4_pushdef([AT_NAME_PREFIX],
189 [m4_bmatch([$3], [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) .*],
191 [\(%define api\.\(namespace\|prefix\)\|%name-prefix\) [\{\"]\([^\"\}]*\)[\"\}]],
194 m4_pushdef([AT_TOKEN_CTOR_IF],
195 [m4_bmatch([$3], [%define api\.token\.constructor], [$1], [$2])])
196 m4_pushdef([AT_TOKEN_PREFIX],
197 [m4_bmatch([$3], [%define api\.token\.prefix {.*}],
198 [m4_bregexp([$3], [%define api\.token\.prefix {\(.*\)}], [\1])])])
199 m4_pushdef([AT_VARIANT_IF],
200 [m4_bmatch([$3], [%define api\.value\.type variant], [$1], [$2])])
201 m4_pushdef([AT_API_prefix],
202 [m4_bmatch([$3], [%define api\.prefix {.*}],
203 [m4_bregexp([$3], [%define api\.prefix {\([^\}]*\)}], [\1])],
205 m4_pushdef([AT_API_PREFIX],
206 [m4_toupper(AT_API_prefix)])
207 # yyerror receives the location if %location, and if the parser is pure. For
208 # historical reasons, with the "yacc.c" skeleton, the location is not passed
209 # unless an additional "%parse-param" is present, or if the purity is defined
211 m4_pushdef([AT_YYERROR_ARG_LOC_IF],
212 [AT_LOCATION_IF([AT_PURE_IF([m4_bmatch([$3],
213 m4_quote(m4_join([\|],
214 [%define api\.pure full],
217 [%skeleton "?glr.c"?])),
222 # yyerror always sees the locations (when activated) if the parser is impure.
223 # When the parser is pure, yyerror sees the location if it is received as an
225 m4_pushdef([AT_YYERROR_SEES_LOC_IF],
226 [AT_LOCATION_IF([AT_YACC_IF([AT_PURE_IF([AT_YYERROR_ARG_LOC_IF([$1], [$2])],
231 # The interface is pure: either because %define api.pure, or because we
232 # are using the C++ parsers.
233 m4_pushdef([AT_PURE_LEX_IF],
235 [AT_SKEL_CC_IF([$1], [$2])])])
237 m4_pushdef([AT_YYSTYPE],
238 [AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::semantic_type]],
239 [AT_API_PREFIX[STYPE]])])
240 m4_pushdef([AT_YYLTYPE],
241 [AT_SKEL_CC_IF([AT_NAME_PREFIX[::parser::location_type]],
242 [AT_API_PREFIX[LTYPE]])])
246 [m4_pushdef([AT_LOC], [(*llocp)])
247 m4_pushdef([AT_VAL], [(*lvalp)])
248 m4_pushdef([AT_YYLEX_FORMALS],
249 [AT_YYSTYPE *lvalp[]AT_LOCATION_IF([, AT_YYLTYPE *llocp])])
250 m4_pushdef([AT_YYLEX_ARGS],
251 [lvalp[]AT_LOCATION_IF([, llocp])])
252 m4_pushdef([AT_USE_LEX_ARGS],
253 [(void) lvalp;AT_LOCATION_IF([(void) llocp])])
254 m4_pushdef([AT_YYLEX_PRE_FORMALS],
255 [AT_YYLEX_FORMALS, ])
256 m4_pushdef([AT_YYLEX_PRE_ARGS],
259 [m4_pushdef([AT_LOC], [[(]AT_NAME_PREFIX[lloc)]])
260 m4_pushdef([AT_VAL], [[(]AT_NAME_PREFIX[lval)]])
261 m4_pushdef([AT_YYLEX_FORMALS], [void])
262 m4_pushdef([AT_YYLEX_ARGS], [])
263 m4_pushdef([AT_USE_LEX_ARGS], [])
264 m4_pushdef([AT_YYLEX_PRE_FORMALS], [])
265 m4_pushdef([AT_YYLEX_PRE_ARGS], [])
268 # Handle the different types of location components.
271 [AT_LOCATION_TYPE_IF(
272 [AT_LOC_PUSHDEF([first.l], [first.c], [last.l], [last.c])],
273 [AT_LOC_PUSHDEF([begin.line], [begin.column], [end.line], [end.column])])],
274 [AT_LOC_PUSHDEF([first_line], [first_column], [last_line], [last_column])])
277 AT_GLR_IF([AT_KEYWORDS([glr])])
278 ])# _AT_BISON_OPTION_PUSHDEFS
281 # AT_BISON_OPTION_POPDEFS
282 # -----------------------
283 m4_define([AT_BISON_OPTION_POPDEFS],
284 [m4_divert_text([KILL],
285 [m4_popdef([AT_YYLEX_PRE_ARGS])
286 m4_popdef([AT_YYLEX_PRE_FORMALS])
287 m4_popdef([AT_USE_LEX_ARGS])
288 m4_popdef([AT_YYLEX_ARGS])
289 m4_popdef([AT_YYLEX_FORMALS])
290 m4_popdef([AT_YYLTYPE])
291 m4_popdef([AT_YYSTYPE])
294 m4_popdef([AT_PURE_LEX_IF])
295 m4_popdef([AT_YYERROR_SEES_LOC_IF])
296 m4_popdef([AT_YYERROR_ARG_LOC_IF])
297 m4_popdef([AT_API_PREFIX])
298 m4_popdef([AT_API_prefix])
299 m4_popdef([AT_VARIANT_IF])
300 m4_popdef([AT_TOKEN_PREFIX])
301 m4_popdef([AT_TOKEN_CTOR_IF])
302 m4_popdef([AT_NAME_PREFIX])
303 m4_popdef([AT_LOCATION_TYPE_IF])
304 m4_popdef([AT_LOCATION_IF])
305 m4_popdef([AT_PARSE_PARAMS])
306 m4_popdef([AT_PUSH_IF])
307 m4_popdef([AT_PURE_IF])
308 m4_popdef([AT_PARAM_IF])
309 m4_popdef([AT_LEXPARAM_IF])
310 m4_popdef([AT_YACC_IF])
311 m4_popdef([AT_GLR_IF])
312 m4_popdef([AT_SKEL_CC_IF])
314 m4_popdef([AT_SKEL_JAVA_IF])
315 m4_popdef([AT_GLR_CC_IF])
316 m4_popdef([AT_LALR1_CC_IF])
317 m4_popdef([AT_DEFINES_IF])
318 m4_popdef([AT_DEBUG_IF])
320 ])# AT_BISON_OPTION_POPDEFS
324 ## -------------------------- ##
325 ## Generating Grammar Files. ##
326 ## -------------------------- ##
328 # _AT_LANG_DISPATCH(LANG, MACRO, ARGS)
329 # ------------------------------------
330 # Call the specialization of MACRO for LANG with ARGS. Complain if
332 m4_define([_AT_LANG_DISPATCH],
334 [m4_indir([$2($1)], m4_shift2($@))],
335 [m4_fatal([$2: unknown language: $1])])])
338 # AT_LANG_DISPATCH(MACRO, ARGS)
339 # -----------------------------
340 # Call the specialization of MACRO for AT_LANG with ARGS. Complain if
342 m4_define([AT_LANG_DISPATCH],
343 [_AT_LANG_DISPATCH(AT_LANG, $@)])
347 # AT_DATA_SOURCE_PROLOGUE
348 # -----------------------
349 # The prologue that should be included in any source code that is
350 # meant to be compiled. Keep atlocal.in sync (BISON_CXX_WORKS).
351 m4_define([AT_DATA_SOURCE_PROLOGUE],
352 [[/* Load config.h, and adjust to the compiler.
353 We used to do it here, but each time we add a new line,
354 we have to adjust all the line numbers in error messages.
355 It's simpler to use a constant include to a varying file. */
356 #include <testsuite.h>
359 # AT_DATA_GRAMMAR_PROLOGUE
360 # ------------------------
361 # The prologue that should be included in any grammar which parser is
362 # meant to be compiled.
363 m4_define([AT_DATA_GRAMMAR_PROLOGUE],
365 ]AT_DATA_SOURCE_PROLOGUE[]dnl
369 # AT_DATA_SOURCE(NAME, CONTENT)
370 # -----------------------------
371 # Generate the file NAME, which CONTENT is preceded by
372 # AT_DATA_SOURCE_PROLOGUE.
373 m4_define([AT_DATA_SOURCE],
375 [AT_DATA_SOURCE_PROLOGUE
379 # AT_DATA_GRAMMAR(NAME, CONTENT)
380 # ------------------------------
381 # Generate the file NAME, which CONTENT is preceded by
382 # AT_DATA_GRAMMAR_PROLOGUE.
383 m4_define([AT_DATA_GRAMMAR],
385 [AT_DATA_GRAMMAR_PROLOGUE
390 # AT_YYLEX_DECLARE_EXTERN
392 # AT_YYLEX_DEFINE([INPUT], [ACTION])
393 # ----------------------------------
394 # INPUT can be empty, or in double quotes, or a list (in braces).
395 # ACTION may compute yylval for instance, using "res" as token type,
396 # and "toknum" as the number of calls to yylex (starting at 0).
397 m4_define([AT_YYLEX_PROTOTYPE],
398 [int AT_NAME_PREFIX[]lex (]AT_YYLEX_FORMALS[)[]dnl
401 m4_define([AT_YYLEX_DECLARE_EXTERN],
402 [AT_YYLEX_PROTOTYPE;dnl
405 m4_define([AT_YYLEX_DECLARE],
406 [static AT_YYLEX_DECLARE_EXTERN[]dnl
409 m4_define([AT_YYLEX_DEFINE],
410 [[#include <assert.h>
414 ]m4_bmatch([$1], [^\(".*"\)?$],
415 [[static char const input[] = ]m4_default([$1], [""])],
416 [[static int const input[] = ]$1])[;
417 static size_t toknum = 0;
420 assert (toknum < sizeof input / sizeof input[0]);
421 res = input[toknum++];
422 ]$2[;]AT_LOCATION_IF([[
423 ]AT_LOC_FIRST_LINE[ = ]AT_LOC_LAST_LINE[ = 1;
424 ]AT_LOC_FIRST_COLUMN[ = ]AT_LOC_LAST_COLUMN[ = toknum;]])[
430 # AT_YYERROR_PROTOTYPE
431 # AT_YYERROR_DECLARE_EXTERN
434 # -------------------------
435 # Must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS pair.
436 m4_define([AT_YYERROR_FORMALS], [AT_LANG_DISPATCH([$0], $@)])
437 m4_define([AT_YYERROR_PROTOTYPE],[AT_LANG_DISPATCH([$0], $@)])
438 m4_define([AT_YYERROR_DECLARE_EXTERN], [AT_LANG_DISPATCH([$0], $@)])
439 m4_define([AT_YYERROR_DECLARE], [AT_LANG_DISPATCH([$0], $@)])
440 m4_define([AT_YYERROR_DEFINE], [AT_LANG_DISPATCH([$0], $@)])
444 m4_define([AT_MAIN_DEFINE], [AT_LANG_DISPATCH([$0], $@)])
452 m4_define([AT_YYERROR_FORMALS(c)],
453 [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE const * const llocp, ])AT_PARSE_PARAMS[const char *msg]])
455 m4_define([AT_YYERROR_PROTOTYPE(c)],
456 [[void ]AT_NAME_PREFIX[error (]AT_YYERROR_FORMALS[)]])
458 m4_define([AT_YYERROR_DECLARE_EXTERN(c)],
459 [AT_YYERROR_PROTOTYPE;])
461 m4_define([AT_YYERROR_DECLARE(c)],
464 #if defined ]AT_YYLTYPE[_IS_TRIVIAL && ]AT_YYLTYPE[_IS_TRIVIAL
465 static unsigned location_print (FILE *yyo, ]AT_YYLTYPE[ const * const yylocp);
466 # ifndef LOCATION_PRINT
467 # define LOCATION_PRINT(File, Loc) location_print (File, &(Loc))
471 static AT_YYERROR_DECLARE_EXTERN])
474 m4_define([AT_YYERROR_DEFINE(c)],
477 # if defined ]AT_YYLTYPE[_IS_TRIVIAL && ]AT_YYLTYPE[_IS_TRIVIAL
478 /* Print *YYLOCP on YYO. */
479 __attribute__((__unused__))
481 location_print (FILE *yyo, ]AT_YYLTYPE[ const * const yylocp)
484 int end_col = 0 != yylocp->last_column ? yylocp->last_column - 1 : 0;
485 if (0 <= yylocp->first_line)
487 res += fprintf (yyo, "%d", yylocp->first_line);
488 if (0 <= yylocp->first_column)
489 res += fprintf (yyo, ".%d", yylocp->first_column);
491 if (0 <= yylocp->last_line)
493 if (yylocp->first_line < yylocp->last_line)
495 res += fprintf (yyo, "-%d", yylocp->last_line);
497 res += fprintf (yyo, ".%d", end_col);
499 else if (0 <= end_col && yylocp->first_column < end_col)
500 res += fprintf (yyo, "-%d", end_col);
506 /* A C error reporting function. */
508 ]AT_YYERROR_PROTOTYPE[
509 {]m4_bpatsubst(m4_defn([AT_PARSE_PARAMS]),
510 [[^,]+[^A-Za-z_0-9]\([A-Za-z_][A-Za-z_0-9]*\), *], [
512 AT_YYERROR_SEES_LOC_IF([[
513 LOCATION_PRINT (stderr, ]AT_LOC[);
514 fprintf (stderr, ": ");]])[
515 fprintf (stderr, "%s\n", msg);
519 m4_define([AT_MAIN_DEFINE(c)],
520 [[#include <stdlib.h> /* getenv. */
521 #include <string.h> /* strcmp. */
523 main (int argc, char const* argv[])
525 if (getenv("YYDEBUG")
527 && (!strcmp (argv[1], "-d") || !strcmp (argv[1], "--debug"))))
531 return ]AT_NAME_PREFIX[parse ();
539 # No need to declare, it's part of the class interface.
540 m4_define([AT_YYERROR_DECLARE(c++)], [])
541 m4_define([AT_YYERROR_DECLARE_EXTERN(c++)], [])
543 m4_define([AT_YYERROR_DEFINE(c++)],
544 [[/* A C++ error reporting function. */
546 ]AT_NAME_PREFIX[::parser::error (]AT_LOCATION_IF([[const location_type& l, ]])[const std::string& m)
548 std::cerr << ]AT_LOCATION_IF([l << ": " << ])[m << '\n';
552 m4_define([AT_MAIN_DEFINE(c++)],
553 [[#include <cstdlib> // getenv.
554 #include <cstring> // strcmp.
556 main (int argc, char const* argv[])
558 ]AT_NAME_PREFIX[::parser p;]AT_DEBUG_IF([[
559 if (getenv("YYDEBUG")
561 && (!strcmp (argv[1], "-d") || !strcmp (argv[1], "--debug"))))
562 p.set_debug_level (true);]], [[
568 m4_define([AT_FOR_EACH_CXX],
569 [[at_for_each_cxx_CXXFLAGS_save=$CXXFLAGS
570 for at_cxx_std in '' \
571 ${CXX98_CXXFLAGS:+"$CXX98_CXXFLAGS"} \
572 ${CXX03_CXXFLAGS:+"$CXX03_CXXFLAGS"} \
573 ${CXX11_CXXFLAGS:+"$CXX11_CXXFLAGS"} \
574 ${CXX14_CXXFLAGS:+"$CXX14_CXXFLAGS"} \
575 ${CXX17_CXXFLAGS:+"$CXX17_CXXFLAGS"} \
576 ${CXX2A_CXXFLAGS:+"$CXX2A_CXXFLAGS"}
578 ]AS_ECHO(["======== Testing with C++ standard flags: '$at_cxx_std'"])[
579 CXXFLAGS="$at_for_each_cxx_CXXFLAGS_save $at_cxx_std"
582 CXXFLAGS=$at_for_each_cxx_CXXFLAGS_save
589 m4_define([AT_YYERROR_DEFINE(java)],
590 [AT_LOCATION_IF([[public void yyerror (Calc.Location l, String s)
593 System.err.println (s);
595 System.err.println (l + ": " + s);
598 public void yyerror (String s)
600 System.err.println (s);
604 m4_define([AT_MAIN_DEFINE(java)],
607 public static void main (String args[]) throws IOException
609 YYParser p = new YYParser ();
616 ## --------------- ##
618 ## --------------- ##
620 # AT_BISON_CHECK(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
621 # -------------------------------------------------
622 # High-level routine that may call bison several times, under different
625 # Check Bison by invoking 'bison BISON_ARGS'. BISON_ARGS should not contain
626 # shell constructs (such as redirection or pipes) that would prevent
627 # appending additional command-line arguments for bison. OTHER_AT_CHECK_ARGS
628 # are the usual remaining arguments to AT_CHECK: STATUS, STDOUT, etc.
630 # This macro or AT_BISON_CHECK_NO_XML should always be used whenever invoking
631 # Bison in the test suite. For now it ensures that:
633 # 1. Valgrind doesn't report reachable memory when Bison is expected to have
634 # a non-zero exit status since Bison doesn't always try to free all memory
637 # 2. In the case of maintainer-xml-check, XML/XSLT output is compared with
638 # --graph and --report=all output for every working grammar.
640 # 3. If stderr contains a warning, -Werror and --warnings=error
641 # convert the warning to an error.
643 # 4. If stderr contains a warning, -Wnone and --warnings=none suppress it.
644 m4_define([AT_BISON_CHECK],
645 [m4_null_if([$2], [AT_BISON_CHECK_XML($@)])
646 AT_BISON_CHECK_NO_XML($@)])
648 # AT_BISON_CHECK_(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
649 # --------------------------------------------------
650 # Low-level macro to run bison once.
651 m4_define([AT_BISON_CHECK_],
652 [AT_CHECK(AT_QUELL_VALGRIND[[ bison -fno-caret ]]$@)])
655 # AT_BISON_CHECK_WARNINGS(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
656 # ----------------------------------------------------------
657 # Check that warnings (if some are expected) are correctly
658 # turned into errors with -Werror, etc.
660 # When -Wno-error is used, the rules are really different, don't try.
661 m4_define([AT_BISON_CHECK_WARNINGS],
662 [m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
663 m4_bregexp([$1], [-Wno-error=]), [-1],
664 [m4_null_if([$2], [AT_BISON_CHECK_WARNINGS_($@)])])])
666 m4_define([AT_BISON_CHECK_WARNINGS_],
667 [[# Defining POSIXLY_CORRECT causes bison to complain if options are
668 # added after the grammar file name, so skip these checks in that
670 if test "$POSIXLY_CORRECT_IS_EXPORTED" = false; then
671 ]AT_SAVE_SPECIAL_FILES[
673 # To avoid expanding it repeatedly, store specified stdout.
674 ]AT_DATA([expout], [$3])[
677 ]AT_BISON_CHECK_([$1[ -Werror]], [[1]], [expout], [stderr])[
679 # Build expected stderr up to and including the "warnings being
680 # treated as errors" message.
681 ]AT_DATA([[experr]], [$4])[
682 $PERL -pi -e 's{(.*): warning: (.*)\[-W(.*)\]$}
683 {$][1: error: $][2\@<:@-Werror=$][3@:>@}' experr
684 ]AT_CHECK([[sed 's,.*/$,,' stderr 1>&2]], [[0]], [[]], [experr])[
686 # Now check --warnings=error.
688 ]AT_BISON_CHECK_([$1[ --warnings=error]], [[1]], [expout], [experr])[
690 # Now check -Wnone and --warnings=none by making sure that
691 # -Werror doesn't change the exit status when -Wnone or
692 # --warnings=none is specified.
693 ]AT_BISON_CHECK_([$1[ -Wnone -Werror]], [[0]], [expout])[
694 ]AT_BISON_CHECK_([$1[ --warnings=none -Werror]], [[0]], [expout])[
696 ]AT_RESTORE_SPECIAL_FILES[
700 # AT_BISON_CHECK_NO_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
701 # --------------------------------------------------------
702 # Same as AT_BISON_CHECK except don't perform XML/XSLT checks. This is useful
703 # when a tortured grammar's XML is known to be too large for xsltproc to
705 m4_define([AT_BISON_CHECK_NO_XML],
706 [AT_CHECK(m4_null_if([$2], [], [AT_QUELL_VALGRIND ])[[bison -fno-caret ]]$@)
707 AT_BISON_CHECK_WARNINGS($@)])
709 # AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])
710 # -----------------------------------------------------
711 # Run AT_BISON_CHECK's XML/XSLT checks if $BISON_TEST_XML=1 and $XSLTPROC is
712 # defined. It doesn't make sense to invoke this macro if Bison is expected to
713 # have a non-zero exit status.
714 m4_define([AT_BISON_CHECK_XML],
715 [[if test x"$BISON_TEST_XML" = x1 && test x"$XSLTPROC" != x""; then]
716 AT_SAVE_SPECIAL_FILES
718 m4_pushdef([AT_BISON_ARGS],
719 [m4_bpatsubsts([[$1]],
720 [--report(-file)?=[^][ ]*], [],
721 [--graph=[^][ ]*], [],
722 [--xml=[^][ ]*], [])])dnl
723 # Don't combine these Bison invocations since we want to be sure that
724 # --report=all isn't required to get the full XML file.
725 AT_BISON_CHECK_([[--report=all --report-file=xml-tests/test.output \
726 --graph=xml-tests/test.dot ]]AT_BISON_ARGS,
727 [[0]], [ignore], [ignore])
728 AT_BISON_CHECK_([[--xml=xml-tests/test.xml ]]AT_BISON_ARGS,
729 [[0]], [ignore], [ignore])
730 m4_popdef([AT_BISON_ARGS])dnl
731 [cp xml-tests/test.output expout]
732 AT_CHECK([[$XSLTPROC \
733 `]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2text.xsl \
734 xml-tests/test.xml]], [[0]], [expout])
735 [sort xml-tests/test.dot > expout]
736 AT_CHECK([[$XSLTPROC \
737 `]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \
738 xml-tests/test.xml | sort]], [[0]], [expout])
739 [rm -rf xml-tests expout]
740 AT_RESTORE_SPECIAL_FILES
745 # Put this before a Bison invocation to keep Valgrind from complaining about
748 # Do not quote invocations of this macro within the first argument of AT_CHECK.
749 # The triple quoting below will cause test cases to fail if you do. If you do
750 # so anyway but also decrease the quoting below to avoid that problem, AT_CHECK
751 # will then fail to shell-escape its contents when attempting to print them.
752 # The testsuite verbose output, at least, will be incorrect, but nothing may
753 # fail to make sure you notice.
754 m4_define([AT_QUELL_VALGRIND],
755 [[[VALGRIND_OPTS="$VALGRIND_OPTS --leak-check=summary --show-reachable=no"; export VALGRIND_OPTS;]]])
759 ## ------------------------ ##
760 ## Compiling C, C++ Files. ##
761 ## ------------------------ ##
764 # AT_COMPILE(OUTPUT, [SOURCES = OUTPUT.c], [EXTRA-COMPILER-FLAGS])
765 # ----------------------------------------------------------------
766 # Compile SOURCES into OUTPUT.
768 # If OUTPUT does not contain '.', assume that we are linking too,
769 # otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
770 # with trailing .o removed, and ".c" appended.
771 m4_define([AT_COMPILE],
772 [AT_CHECK([$BISON_C_WORKS], 0, ignore, ignore)
773 AT_CHECK(m4_join([ ],
774 [$CC $CFLAGS $CPPFLAGS $3],
775 [m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
777 [m4_default([$2], [m4_bpatsubst([$1], [\.o$]).c])],
778 [m4_bmatch([$1], [[.]], [], [$LIBS])]),
779 0, [ignore], [ignore])])
782 # AT_COMPILE_CXX(OUTPUT, [SOURCES = OUTPUT.cc], [EXTRA-COMPILER-FLAGS])
783 # ---------------------------------------------------------------------
784 # Compile SOURCES into OUTPUT. If the C++ compiler does not work,
787 # If OUTPUT does not contain '.', assume that we are linking too,
788 # otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
789 # with trailing ".o" removed, and ".cc" appended.
790 m4_define([AT_COMPILE_CXX],
792 AT_CHECK([$BISON_CXX_WORKS], 0, ignore, ignore)
793 AT_CHECK(m4_join([ ],
794 [$CXX $CXXFLAGS $CPPFLAGS $3],
795 [m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
797 [m4_default([$2], [m4_bpatsubst([$1], [\.o$]).cc])],
798 [m4_bmatch([$1], [[.]], [], [$LIBS])]),
799 0, [ignore], [ignore])])
802 # AT_JAVA_COMPILE(SOURCES)
803 # ------------------------
804 # Compile SOURCES into Java class files. Skip the test if java or javac
806 m4_define([AT_JAVA_COMPILE],
808 AT_SKIP_IF([[test -z "$CONF_JAVAC"]])
809 AT_SKIP_IF([[test -z "$CONF_JAVA"]])
810 AT_CHECK([[$SHELL ../../../javacomp.sh ]$1],
811 [[0]], [ignore], [ignore])])
814 # AT_LANG_COMPILE(OUTPUT, [SOURCES = OUTPUT.c], [EXTRA-COMPILER-FLAGS])
815 # ---------------------------------------------------------------------
816 # Compile SOURCES into OUTPUT. Skip if compiler does not work.
818 # If OUTPUT does not contain '.', assume that we are linking too,
819 # otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
820 # with trailing .o removed, and ".c"/".cc" appended.
821 m4_define([AT_LANG_COMPILE], [AT_LANG_DISPATCH([$0], $@)])
822 m4_define([AT_LANG_COMPILE(c)], [AT_COMPILE([$1], [$2], [$3])])
823 m4_define([AT_LANG_COMPILE(c++)], [AT_COMPILE_CXX([$1], [$2], [$3])])
824 m4_define([AT_LANG_COMPILE(java)], [AT_JAVA_COMPILE([$1.java], [$2], [$3])])
829 # The file extension corresponding to the language: c, cc, or java.
830 m4_define([AT_LANG_EXT], [AT_LANG_DISPATCH([$0], $@)])
831 m4_define([AT_LANG_EXT(c)], [c])
832 m4_define([AT_LANG_EXT(c++)], [cc])
833 m4_define([AT_LANG_EXT(java)], [java])
836 # AT_FULL_COMPILE(OUTPUT, [OTHER1], [OTHER2], [EXTRA-COMPILER-FLAGS)
837 # ------------------------------------------------------------------
838 # Compile OUTPUT.y to OUTPUT.c, OUTPUT.cc, or OUTPUT.java, and then
839 # compile it to OUTPUT or OUTPUT.class. If OTHER is specified, compile
840 # OUTPUT-OTHER.c, OUTPUT-OTHER.cc, or OUTPUT-OTHER.java to OUTPUT or
841 # OUTPUT.java along with it. Relies on AT_SKEL_CC_IF and
843 m4_define([AT_FULL_COMPILE],
844 [AT_BISON_CHECK([-o $1.AT_LANG_EXT $1.y])
845 AT_LANG_COMPILE([$1],
848 m4_ifval($2, [[$1-$2.]AT_LANG_EXT]),
849 m4_ifval($3, [[$1-$3.]AT_LANG_EXT])),
854 # AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
855 # --------------------------------
856 # Check that we can link together C and C++ objects.
857 m4_define([AT_SKIP_IF_CANNOT_LINK_C_AND_CXX],
858 [AT_DATA([c-and-cxx.h],
869 [[#include "c-and-cxx.h"
873 return fortytwo () == 42 ? 0 : 1;
876 AT_DATA([cxx-only.cc],
877 [[#include "c-and-cxx.h"
883 AT_COMPILE([c-only.o], [c-only.c])
884 AT_COMPILE_CXX([cxx-only.o], [cxx-only.cc])
885 AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx ||
886 exit 77], [0], [ignore], [ignore])
887 AT_PARSER_CHECK([./c-and-cxx])
891 # AT_SKIP_IF_EXCEPTION_SUPPORT_IS_POOR
892 # ------------------------------------
893 # Check that we can expect exceptions to be handled properly.
894 # GCC 4.3 and 4.4 fail https://trac.macports.org/ticket/40853.
895 m4_define([AT_SKIP_IF_EXCEPTION_SUPPORT_IS_POOR],
896 [AT_DATA_SOURCE([exception.cc],
897 [[#include <iostream>
904 throw std::runtime_error("foo");
908 std::cerr << "Inner caught\n";
921 std::cerr << "Outer caught\n";
927 AT_COMPILE_CXX([exception])
928 # The "empty" quadrigraph is to protect from cfg.mk's
929 # sc_at_parser_check.
930 AT_CHECK([@&t@./exception || exit 77], [0], [], [ignore])
934 ## ---------------------------- ##
935 ## Running a generated parser. ##
936 ## ---------------------------- ##
939 # AT_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE])
940 # ------------------------------------------------------------
941 # So that we can run './testsuite PREPARSER='valgrind -q' for instance.
943 # Get rid of spurious messages when compiled with --coverage:
944 # +profiling:/[...]/lib/fprintf.gcda:Merge mismatch for summaries
945 m4_define([AT_PARSER_CHECK],
946 [AT_CHECK([$5 $PREPARSER $1], [$2], [$3], [stderr])
947 AT_CHECK([sed >&2 -e '/^profiling:.*:Merge mismatch for summaries/d' stderr],
952 # AT_JAVA_PARSER_CHECK(COMMAND, EXIT-STATUS, EXPOUT, EXPERR, [PRE])
953 # -----------------------------------------------------------------
954 m4_define([AT_JAVA_PARSER_CHECK],
955 [AT_CHECK([$5[ $SHELL ../../../javaexec.sh ]$1], [$2], [$3], [$4])])
958 # AT_TEST_TABLES_AND_PARSE(TITLE, COND-VALUE, TEST-SPEC,
959 # DECLS, GRAMMAR, INPUT,
960 # BISON-STDERR, TABLES-OR-LAST-STATE,
962 # [PARSER-EXIT-VALUE],
963 # [PARSER-STDOUT], [PARSER-STDERR])
964 # -------------------------------------------------------------
965 # Using TITLE as the test group title, check the generated parser tables
966 # and parser for a specified grammar file under a condition labeled by
969 # TEST-SPEC is a comma-delimited list of attributes of this test. Each
970 # recognized attribute is described below where it is relevant.
972 # Insert DECLS and GRAMMAR into the declarations and grammar section of
973 # the grammar file. Insert basic yyerror, yylex, and main function
974 # definitions as well. Hardcode yylex to return the (possibly empty)
975 # comma-delimited series of tokens in INPUT followed by token 0.
977 # If TEST-SPEC contains the attribute no-xml, then invoke bison using
978 # AT_BISON_CHECK_NO_XML. Otherwise, invoke bison using AT_BISON_CHECK.
979 # On the bison command-line, specify `--report=all --defines'. Check
980 # that Bison exits with value 0, has no stdout, and has stderr
983 # If TEST-SPEC contains the attribute 'last-state', check that the value
984 # of TABLES-OR-LAST-STATE is the index of the last state generated for
985 # the grammar; in other words, check the number of states (minus one).
986 # Otherwise, check that everything in the '.output' file starting with
987 # the definition of state 0 is the same as the entire value of
988 # TABLES-OR-LAST-STATE.
990 # Expand the M4 in OTHER-CHECKS to perform additional checks of the
991 # '.output' file, which is named 'input.output', and/or grammar file,
992 # which is named 'input.y'.
994 # Finally, compile the generated parser and then run it using
995 # AT_PARSER_CHECK with PARSER-EXIT-VALUE, PARSER-STDOUT, and
996 # PARSER-STDERR as the 2nd-4th arguments.
998 # As a precondition, you must properly double-quote all arguments that
999 # are to be interpreted as strings.
1001 # AT_COND_CASE (when appearing in single-quoted segments of arguments)
1002 # invokes m4_case with its own arguments but COND-VALUE inserted as the
1003 # first argument. This is useful, for example, when wrapping multiple
1004 # AT_TEST_TABLES_AND_PARSE invocations, each representing a different
1005 # condition, in another macro.
1009 # # AT_TEST_SYNTAX_ERROR(DESCRIPTION, DECLS, GRAMMAR, INPUT, LAST-STATE,
1010 # # PARSER-EXIT-VALUE, PARSER-STDOUT, PARSER-STDERR)
1011 # # ---------------------------------------------------------------------
1012 # m4_define([AT_TEST_SYNTAX_ERROR],
1014 # AT_TEST_TABLES_AND_PARSE([$1[ with %error-verbose]], [[verbose]],
1016 # [[%error-verbose ]$2], [$3], [$4],
1017 # [[]], [$5], [], [$6], [$7], [$8])
1018 # AT_TEST_TABLES_AND_PARSE([$1[ with no %error-verbose]], [[no verbose]],
1021 # [[]], [$5], [], [$6], [$7], [$8])
1024 # AT_TEST_SYNTAX_ERROR([[Single Char Grammar]],
1025 # [[%token 'b']], [[start: 'a' ;]], [['a', 'b']],
1028 # [AT_COND_CASE([[no verbose]],
1031 # [[syntax error, unexpected 'b', expecting $end
1033 m4_define([AT_TEST_TABLES_AND_PARSE],
1034 [m4_pushdef([AT_COND_CASE], [m4_case([$2], $][@)])
1037 AT_BISON_OPTION_PUSHDEFS([$4])
1038 AT_DATA_GRAMMAR([[input.y]],
1040 ]AT_YYERROR_DECLARE[
1055 static int const input[] = {
1056 ]m4_if([$6], [], [], [$6], [[]], [], [$6[, ]])[0
1058 static int const *inputp = input;
1065 # In some versions of Autoconf, AT_CHECK invokes AS_ESCAPE before
1066 # expanding macros, so it corrupts some special characters in the
1067 # macros. To avoid this, expand now and pass it the result with proper
1068 # string quotation. Assume args 7 through 12 expand to properly quoted
1071 m4_if(m4_index(m4_quote($3), [no-xml]), -1,
1073 [AT_BISON_CHECK_NO_XML])([[-Wall --report=all --defines -o input.c input.y]],
1074 [0], [], m4_dquote($7))
1076 m4_if(m4_index(m4_quote($3), [last-state]), -1,
1077 [AT_CHECK([[sed -n '/^State 0$/,$p' input.output]], [[0]],
1079 [AT_CHECK([[sed -n 's/^State //p' input.output | tail -1]], [[0]],
1085 # Canonical LR generates very large tables, resulting in very long
1086 # files with #line directives that may overflow what the standards
1087 # (C90 and C++98) guarantee: 32767. In that case, GCC's -pedantic
1088 # will issue an error.
1090 # There is no "" around `wc` since some indent the result.
1091 m4_bmatch([$4], [%define lr.type canonical-lr],
1092 [if test 32767 -lt `wc -l < input.c`; then
1093 CFLAGS=`echo " $CFLAGS " | sed -e 's/ -pedantic / /'`
1094 CXXFLAGS=`echo " $CXXFLAGS " | sed -e 's/ -pedantic / /'`
1096 AT_COMPILE([[input]])
1098 AT_PARSER_CHECK([[./input]],
1099 m4_ifval([$10], [m4_dquote($10)]),
1100 m4_ifval([$11], [m4_dquote($11)]),
1101 m4_ifval([$12], [m4_dquote($12)]))
1103 AT_BISON_OPTION_POPDEFS
1106 m4_popdef([AT_COND_CASE])])
1111 ## ----------------------- ##
1112 ## Launch the test suite. ##
1113 ## ----------------------- ##
1119 # Redefine AT_SETUP to be more concise. Must be done after AT_INIT.
1120 m4_copy_force([AT_SETUP], [B4_SETUP])
1121 m4_define([AT_SETUP],
1122 [B4_SETUP(m4_expand([AT_SETUP_STRIP([[$1]])]))])
1124 # Cannot assign CC and CFLAGS here, since atlocal is loaded after
1125 # options are processed, so we don't know the value of CXX and
1128 # Note that it also means that command line values for CXX and
1129 # CXXFLAGS will not be propagated to CC and CFLAGS.
1130 AT_ARG_OPTION([compile-c-with-cxx],
1131 [compile C parsers with the C++ compiler])