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* config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
[official-gcc.git] / gcc / java / parse.h
bloba47e017ed4efcf43961d179aa22167332ce462f3
1 /* Language parser definitions for the GNU compiler for the Java(TM) language.
2 Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
3 Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
4
5 This file is part of GNU CC.
6
7 GNU CC 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 2, or (at your option)
10 any later version.
11
12 GNU CC 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.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA.
21
22 Java and all Java-based marks are trademarks or registered trademarks
23 of Sun Microsystems, Inc. in the United States and other countries.
24 The Free Software Foundation is independent of Sun Microsystems, Inc. */
25
26 #ifndef GCC_JAVA_PARSE_H
27 #define GCC_JAVA_PARSE_H
28
29 #include "lex.h"
30
31 /* Extern global variable declarations */
32 extern int java_error_count;
33 extern struct obstack temporary_obstack;
34 extern struct obstack permanent_obstack;
35 extern int quiet_flag;
36
37 #ifndef JC1_LITE
38 /* Function extern to java/ */
39 extern int int_fits_type_p PARAMS ((tree, tree));
40 extern tree stabilize_reference PARAMS ((tree));
41 #endif
42
43 /* Macros for verbose debug info */
44 #ifdef VERBOSE_SKELETON
45 #define RULE( rule ) printf ( "jv_yacc:%d: rule %s\n", lineno, rule )
46 #else
47 #define RULE( rule )
48 #endif
49
50 #ifdef VERBOSE_SKELETON
51 #undef SOURCE_FRONTEND_DEBUG
52 #define SOURCE_FRONTEND_DEBUG(X) \
53 {if (!quiet_flag) {printf ("* "); printf X; putchar ('\n');} }
54 #else
55 #define SOURCE_FRONTEND_DEBUG(X)
56 #endif
57
58 /* Macro for error recovering */
59 #ifdef YYDEBUG
60 #define RECOVERED \
61 { if (!quiet_flag) {printf ("** Recovered\n");} }
62 #define DRECOVERED(s) \
63 { if (!quiet_flag) {printf ("** Recovered (%s)\n", #s);}}
64 #else
65 #define RECOVERED
66 #define DRECOVERED(s)
67 #endif
68
69 #define DRECOVER(s) {yyerrok; DRECOVERED(s);}
70 #define RECOVER {yyerrok; RECOVERED;}
71
72 #define YYERROR_NOW ctxp->java_error_flag = 1
73 #define YYNOT_TWICE if (ctxp->prevent_ese != lineno)
74
75 /* Accepted modifiers */
76 #define CLASS_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_FINAL
77 #define FIELD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_FINAL| \
78 ACC_STATIC|ACC_TRANSIENT|ACC_VOLATILE
79 #define METHOD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_ABSTRACT| \
80 ACC_STATIC|ACC_FINAL|ACC_SYNCHRONIZED|ACC_NATIVE
81 #define INTERFACE_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
82 #define INTERFACE_INNER_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_ABSTRACT|ACC_STATIC
83 #define INTERFACE_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
84 #define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL
85
86 /* Getting a modifier WFL */
87 #define MODIFIER_WFL(M) (ctxp->modifier_ctx [(M) - PUBLIC_TK])
88
89 /* Check on modifiers */
90 #define THIS_MODIFIER_ONLY(f, m, v, count, l) \
91 if ((f) & (m)) \
92 { \
93 tree node = MODIFIER_WFL (v); \
94 if ((l) \
95 && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l)) \
96 || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l)))) \
97 l = node; \
98 else if (!(l)) \
99 l = node; \
100 count++; \
101 }
102
103 #define ABSTRACT_CHECK(FLAG, V, CL, S) \
104 if ((FLAG) & (V)) \
105 parse_error_context ((CL), "%s method can't be abstract", (S));
106
107 #define JCONSTRUCTOR_CHECK(FLAG, V, CL, S) \
108 if ((FLAG) & (V)) \
109 parse_error_context ((CL), "Constructor can't be %s", (S)); \
110
111 /* Misc. */
112 #define exit_java_complete_class() \
113 { \
114 return; \
115 }
116
117 #define CLASS_OR_INTERFACE(decl, s1, s2) \
118 (decl ? \
119 ((get_access_flags_from_decl (TYPE_NAME (TREE_TYPE (decl))) \
120 & ACC_INTERFACE) ? \
121 s2 : s1) : ((s1 [0]=='S'|| s1 [0]=='s') ? \
122 (s1 [0]=='S' ? "Supertype" : "supertype") : \
123 (s1 [0] > 'A' ? "Type" : "type")))
124
125 #define GET_REAL_TYPE(TYPE) \
126 (TREE_CODE (TYPE) == TREE_LIST ? TREE_PURPOSE (TYPE) : TYPE)
127
128 /* Get TYPE name string, regardless whether TYPE is a class or an
129 array. */
130 #define GET_TYPE_NAME(TYPE) \
131 (TREE_CODE (TYPE_NAME (TYPE)) == IDENTIFIER_NODE ? \
132 IDENTIFIER_POINTER (TYPE_NAME (TYPE)) : \
133 IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (TYPE))))
134
135 /* Pedantic warning on obsolete modifiers. Note: when cl is NULL,
136 flags was set artificially, such as for a interface method */
137 #define OBSOLETE_MODIFIER_WARNING(cl, flags, __modifier, arg) \
138 { \
139 if (flag_redundant && (cl) && ((flags) & (__modifier))) \
140 parse_warning_context (cl, \
141 "Discouraged redundant use of `%s' modifier in declaration of %s", \
142 java_accstring_lookup (__modifier), arg); \
143 }
144 #define OBSOLETE_MODIFIER_WARNING2(cl, flags, __modifier, arg1, arg2) \
145 { \
146 if (flag_redundant && (cl) && ((flags) & (__modifier))) \
147 parse_warning_context (cl, \
148 "Discouraged redundant use of `%s' modifier in declaration of %s `%s'", \
149 java_accstring_lookup (__modifier), arg1, arg2);\
150 }
151
152 /* Quickly build a temporary pointer on hypothetical type NAME. */
153 #define BUILD_PTR_FROM_NAME(ptr, name) \
154 do { \
155 ptr = build (POINTER_TYPE, NULL_TREE); \
156 TYPE_NAME (ptr) = name; \
157 } while (0)
158
159 #define INCOMPLETE_TYPE_P(NODE) \
160 ((TREE_CODE (NODE) == POINTER_TYPE) \
161 && !TREE_TYPE (NODE) \
162 && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE)
163
164 /* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information
165 are requested. Works in the context of a parser rule. */
166 #define JAVA_MAYBE_GENERATE_DEBUG_INFO(node) \
167 (debug_info_level != DINFO_LEVEL_NONE ? \
168 EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node)
169
170 /* Types classification, according to the JLS, section 4.2 */
171 #define JFLOAT_TYPE_P(TYPE) (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE)
172 #define JINTEGRAL_TYPE_P(TYPE) ((TYPE) \
173 && (TREE_CODE ((TYPE)) == INTEGER_TYPE \
174 || TREE_CODE ((TYPE)) == CHAR_TYPE))
175 #define JNUMERIC_TYPE_P(TYPE) ((TYPE) \
176 && (JFLOAT_TYPE_P ((TYPE)) \
177 || JINTEGRAL_TYPE_P ((TYPE))))
178 #define JPRIMITIVE_TYPE_P(TYPE) ((TYPE) \
179 && (JNUMERIC_TYPE_P ((TYPE)) \
180 || TREE_CODE ((TYPE)) == BOOLEAN_TYPE))
181
182 #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node) \
183 || ((TYPE) == short_type_node) \
184 || ((TYPE) == char_type_node)))
185
186 /* Not defined in the LRM */
187 #define JSTRING_TYPE_P(TYPE) ((TYPE) \
188 && ((TYPE) == string_type_node || \
189 (TREE_CODE (TYPE) == POINTER_TYPE && \
190 TREE_TYPE (TYPE) == string_type_node)))
191 #define JSTRING_P(NODE) ((NODE) \
192 && (TREE_CODE (NODE) == STRING_CST \
193 || IS_CRAFTED_STRING_BUFFER_P (NODE) \
194 || JSTRING_TYPE_P (TREE_TYPE (NODE))))
195
196 #define JREFERENCE_TYPE_P(TYPE) ((TYPE) \
197 && (TREE_CODE (TYPE) == RECORD_TYPE \
198 || (TREE_CODE (TYPE) == POINTER_TYPE \
199 && TREE_CODE (TREE_TYPE (TYPE)) == \
200 RECORD_TYPE)))
201 #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
202 && (TYPE) == TREE_TYPE (null_pointer_node))
203
204 /* Other predicates */
205 #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL \
206 || TREE_CODE (NODE) == VAR_DECL \
207 || TREE_CODE (NODE) == FIELD_DECL))
208
209 #define TYPE_INTERFACE_P(TYPE) \
210 (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
211
212 #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE) \
213 && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
214
215 /* Identifier business related to 1.1 language extensions. */
216
217 #define IDENTIFIER_INNER_CLASS_OUTER_FIELD_ACCESS(NODE) \
218 (TREE_CODE (NODE) == IDENTIFIER_NODE && \
219 IDENTIFIER_LENGTH (NODE) >= 8 && \
220 IDENTIFIER_POINTER (NODE)[7] != '0')
221
222 /* Build the string val$<O> and store it into N. The is used to
223 construct the name of inner class hidden fields used to alias outer
224 scope local variables. */
225 #define MANGLE_OUTER_LOCAL_VARIABLE_NAME(N, O) \
226 { \
227 char *mangled_name; \
228 obstack_grow (&temporary_obstack, "val$", 4); \
229 obstack_grow (&temporary_obstack, \
230 IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O))); \
231 obstack_1grow (&temporary_obstack, '\0'); \
232 mangled_name = obstack_finish (&temporary_obstack); \
233 (N) = get_identifier (mangled_name); \
234 obstack_free (&temporary_obstack, mangled_name); \
235 }
236
237 /* Build the string parm$<O> and store in into the identifier N. This
238 is used to contruct the name of hidden parameters used to
239 initialize outer scope aliases. */
240 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_ID(N, O) \
241 { \
242 char *mangled_name; \
243 obstack_grow (&temporary_obstack, "parm$", 5); \
244 obstack_grow (&temporary_obstack, \
245 IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O))); \
246 obstack_1grow (&temporary_obstack, '\0'); \
247 mangled_name = obstack_finish (&temporary_obstack); \
248 (N) = get_identifier (mangled_name); \
249 obstack_free (&temporary_obstack, mangled_name); \
250 }
251
252 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_STR(N, S) \
253 { \
254 char *mangled_name; \
255 obstack_grow (&temporary_obstack, "parm$", 5); \
256 obstack_grow (&temporary_obstack, (S), strlen ((S))); \
257 obstack_1grow (&temporary_obstack, '\0'); \
258 mangled_name = obstack_finish (&temporary_obstack); \
259 (N) = get_identifier (mangled_name); \
260 obstack_free (&temporary_obstack, mangled_name); \
261 }
262
263 /* Skip THIS and artificial parameters found in function decl M and
264 assign the result to C. We don't do that for $finit$, since it's
265 knowingly called with artificial parms. */
266 #define SKIP_THIS_AND_ARTIFICIAL_PARMS(C,M) \
267 { \
268 int i; \
269 (C) = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
270 if (!METHOD_STATIC ((M))) \
271 (C) = TREE_CHAIN (C); \
272 if (DECL_CONSTRUCTOR_P ((M)) \
273 && PURE_INNER_CLASS_TYPE_P (DECL_CONTEXT ((M)))) \
274 (C) = TREE_CHAIN (C); \
275 if (!DECL_FINIT_P ((M))) \
276 for (i = DECL_FUNCTION_NAP ((M)); i; i--) \
277 (C) = TREE_CHAIN (C); \
278 }
279
280 /* Mark final parameters in method M, by comparison of the argument
281 list L. This macro is used to set the flag once the method has been
282 build. */
283 #define MARK_FINAL_PARMS(M, L) \
284 { \
285 tree current = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
286 tree list = (L); \
287 if (!METHOD_STATIC ((M))) \
288 current = TREE_CHAIN (current); \
289 for (; current != end_params_node; \
290 current = TREE_CHAIN (current), list = TREE_CHAIN (list)) \
291 ARG_FINAL_P (current) = ARG_FINAL_P (list); \
292 if (current != list) \
293 abort (); \
294 }
295
296 /* Reset the ARG_FINAL_P that might have been set in method M args. */
297 #define UNMARK_FINAL_PARMS(M) \
298 { \
299 tree current; \
300 for (current = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
301 current != end_params_node; current = TREE_CHAIN (current)) \
302 ARG_FINAL_P (current) = 0; \
303 }
304
305 /* Reverse a crafted parameter list as required. */
306 #define CRAFTED_PARAM_LIST_FIXUP(P) \
307 { \
308 if ((P)) \
309 { \
310 tree last = (P); \
311 (P) = nreverse (P); \
312 TREE_CHAIN (last) = end_params_node; \
313 } \
314 else \
315 (P) = end_params_node; \
316 }
317
318 /* Modes governing the creation of a alias initializer parameter
319 lists. AIPL stands for Alias Initializer Parameter List. */
320 enum {
321 AIPL_FUNCTION_CREATION, /* Suitable for artificial method creation */
322 AIPL_FUNCTION_DECLARATION, /* Suitable for declared methods */
323 AIPL_FUNCTION_CTOR_INVOCATION, /* Invocation of constructors */
324 AIPL_FUNCTION_FINIT_INVOCATION /* Invocation of $finit$ */
325 };
326
327 /* Standard error messages */
328 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \
329 parse_error_context ((OPERATOR), \
330 "Incompatible type for `%s'. Can't convert `%s' to boolean", \
331 operator_string ((NODE)), lang_printable_name ((TYPE),0))
332
333 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \
334 parse_error_context ((OPERATOR), \
335 "Incompatible type for `%s'. Can't convert `%s' to numeric type", \
336 operator_string ((NODE)), lang_printable_name ((TYPE), 0))
337
338 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \
339 do { \
340 tree _operator = (OPERATOR), _node = (NODE), _type = (TYPE); \
341 if (JPRIMITIVE_TYPE_P (_type)) \
342 parse_error_context (_operator, \
343 "Incompatible type for `%s'. Explicit cast needed to convert `%s' to integral",\
344 operator_string(_node), \
345 lang_printable_name (_type, 0)); \
346 else \
347 parse_error_context (_operator, \
348 "Incompatible type for `%s'. Can't convert `%s' to integral", \
349 operator_string(_node), \
350 lang_printable_name (_type, 0)); \
351 } while (0)
352
353 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \
354 parse_error_context \
355 ((WFL), "Variable `%s' may not have been initialized", \
356 IDENTIFIER_POINTER (V))
357
358 /* Definition for loop handling. This is Java's own definition of a
359 loop body. See parse.y for documentation. It's valid once you hold
360 a loop's body (LOOP_EXPR_BODY) */
361
362 /* The loop main block is the one hold the condition and the loop body */
363 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
364 /* And then there is the loop update block */
365 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
366
367 /* Inside the loop main block, there is the loop condition and the
368 loop body. They may be reversed if the loop being described is a
369 do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
370 can issue debug info for it, the EXIT_EXPR will be one operand
371 further. */
372 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \
373 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
374
375 /* Here is the labeled block the loop real body is encapsulated in */
376 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \
377 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
378 /* And here is the loop's real body */
379 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \
380 LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
381
382 #define PUSH_LABELED_BLOCK(B) \
383 { \
384 TREE_CHAIN (B) = ctxp->current_labeled_block; \
385 ctxp->current_labeled_block = (B); \
386 }
387 #define POP_LABELED_BLOCK() \
388 ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
389
390 #define PUSH_LOOP(L) \
391 { \
392 TREE_CHAIN (L) = ctxp->current_loop; \
393 ctxp->current_loop = (L); \
394 }
395 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
396
397 #define PUSH_EXCEPTIONS(E) \
398 currently_caught_type_list = \
399 tree_cons (NULL_TREE, (E), currently_caught_type_list);
400
401 #define POP_EXCEPTIONS() \
402 currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
403
404 /* Check that we're inside a try block. */
405 #define IN_TRY_BLOCK_P() \
406 (currently_caught_type_list \
407 && ((TREE_VALUE (currently_caught_type_list) != \
408 DECL_FUNCTION_THROWS (current_function_decl)) \
409 || TREE_CHAIN (currently_caught_type_list)))
410
411 /* Check that we have exceptions in E. */
412 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
413
414 /* Anonymous array access */
415 #define ANONYMOUS_ARRAY_BASE_TYPE(N) TREE_OPERAND ((N), 0)
416 #define ANONYMOUS_ARRAY_DIMS_SIG(N) TREE_OPERAND ((N), 1)
417 #define ANONYMOUS_ARRAY_INITIALIZER(N) TREE_OPERAND ((N), 2)
418
419 /* Invocation modes, as returned by invocation_mode (). */
420 enum {
421 INVOKE_STATIC,
422 INVOKE_NONVIRTUAL,
423 INVOKE_SUPER,
424 INVOKE_INTERFACE,
425 INVOKE_VIRTUAL
426 };
427
428 /* We need the resolution stuff only if we compile jc1 */
429 #ifndef JC1_LITE
430
431 /* Unresolved type identifiers handling. When we process the source
432 code, we blindly accept an unknown type identifier and try to
433 resolve it later. When an unknown type identifier is encountered
434 and used, we record in a struct jdep element what the incomplete
435 type is and what it should patch. Later, java_complete_class will
436 process all classes known to have unresolved type
437 dependencies. Within each of these classes, this routine will
438 process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
439 needs to be patched in the dependent tree node (JDEP_GET_PATCH,
440 JDEP_APPLY_PATCH) and perform other actions dictated by the context
441 of the patch (JDEP_KIND). The ideas are: we patch only what needs
442 to be patched, and with java_complete_class called at the right
443 time, we will start processing incomplete function bodies tree
444 nodes with everything external to function's bodies already
445 completed, it makes things much simpler. */
446
447 enum jdep_code {
448 JDEP_NO_PATCH, /* Must be first */
449 JDEP_SUPER, /* Patch the type of one type
450 supertype. Requires some check
451 before it's done */
452 JDEP_FIELD, /* Patch the type of a class field */
453
454 /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
455 JDEP_METHOD, /* Mark the beginning of the patching
456 of a method declaration, including
457 it's arguments */
458 JDEP_METHOD_RETURN, /* Mark the beginning of the patching
459 of a method declaration. Arguments
460 aren't patched, only the returned
461 type is */
462 JDEP_METHOD_END, /* Mark the end of the patching of a
463 method declaration. It indicates
464 that it's time to compute and
465 install a new signature */
466
467 JDEP_INTERFACE, /* Patch the type of a Class/interface
468 extension */
469 JDEP_VARIABLE, /* Patch the type of a variable declaration */
470 JDEP_PARM, /* Patch the type of a parm declaration */
471 JDEP_TYPE, /* Patch a random tree node type,
472 without the need for any specific
473 actions */
474 JDEP_EXCEPTION, /* Patch exceptions specified by `throws' */
475 JDEP_ANONYMOUS /* Patch anonymous classes
476 (implementation or extension.) */
477
478 };
479
480 typedef struct _jdep {
481 ENUM_BITFIELD(jdep_code) kind : 8; /* Type of patch */
482
483 int flag0 : 1; /* Some flags */
484 tree decl; /* Tied decl/or WFL */
485 tree solv; /* What to solve */
486 tree wfl; /* Where thing to resolve where found */
487 tree misc; /* Miscellaneous info (optional). */
488 tree enclosing; /* The enclosing (current) class */
489 tree *patch; /* Address of a location to patch */
490 struct _jdep *next; /* Linked list */
491 } jdep;
492
493
494 #define JDEP_DECL(J) ((J)->decl)
495 #define JDEP_DECL_WFL(J) ((J)->decl)
496 #define JDEP_KIND(J) ((J)->kind)
497 #define JDEP_WFL(J) ((J)->wfl)
498 #define JDEP_MISC(J) ((J)->misc)
499 #define JDEP_ENCLOSING(J) ((J)->enclosing)
500 #define JDEP_CLASS(J) ((J)->class)
501 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
502 #define JDEP_GET_PATCH(J) ((J)->patch)
503 #define JDEP_CHAIN(J) ((J)->next)
504 #define JDEP_TO_RESOLVE(J) ((J)->solv)
505 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
506 #define JDEP_RESOLVED(J, D) ((J)->solv = D)
507 #define JDEP_RESOLVED_P(J) \
508 (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
509
510 typedef struct _jdeplist {
511 jdep *first;
512 jdep *last;
513 struct _jdeplist *next;
514 } jdeplist;
515
516 #endif /* JC1_LITE */
517
518 #define CLASSD_FIRST(CD) ((CD)->first)
519 #define CLASSD_LAST(CD) ((CD)->last)
520 #define CLASSD_CHAIN(CD) ((CD)->next)
521
522 #define JDEP_INSERT(L,J) \
523 { \
524 if (!(L)->first) \
525 (L)->last = (L)->first = (J); \
526 else \
527 { \
528 JDEP_CHAIN ((L)->last) = (J); \
529 (L)->last = (J); \
530 } \
531 }
532
533 /* if TYPE can't be resolved, obtain something suitable for its
534 resolution (TYPE is saved in SAVE before being changed). and set
535 CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
536 usually used to determine that a new DEP must be installed on TYPE.
537 Note that when compiling java.lang.Object, references to Object are
538 java.lang.Object. */
539 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \
540 { \
541 tree _returned_type; \
542 (CHAIN) = 0; \
543 if (TREE_TYPE (GET_CPC ()) == object_type_node \
544 && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \
545 && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \
546 (TYPE) = object_type_node; \
547 else \
548 { \
549 if (unresolved_type_p (type, &_returned_type)) \
550 { \
551 if (_returned_type) \
552 (TYPE) = _returned_type; \
553 else \
554 { \
555 tree _type; \
556 WFL_STRIP_BRACKET (_type, TYPE); \
557 (SAVE) = (_type); \
558 (TYPE) = obtain_incomplete_type (TYPE); \
559 CHAIN = 1; \
560 } \
561 } \
562 } \
563 }
564
565 #define WFL_STRIP_BRACKET(TARGET, TYPE) \
566 { \
567 tree __type = (TYPE); \
568 if (TYPE && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION) \
569 { \
570 tree _node = EXPR_WFL_NODE (TYPE); \
571 const char *_ptr = IDENTIFIER_POINTER (_node); \
572 const char *_ref = _ptr; \
573 while (_ptr[0] == '[') \
574 _ptr++; \
575 if (_ref != _ptr) \
576 { \
577 tree _new = copy_node (TYPE); \
578 EXPR_WFL_NODE (_new) = get_identifier (_ptr); \
579 __type = _new; \
580 } \
581 } \
582 (TARGET) = __type; \
583 }
584
585 /* Promote a type if it won't be registered as a patch */
586 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \
587 { \
588 if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \
589 (TYPE) = promote_type (TYPE); \
590 }
591
592 /* Insert a DECL in the current block */
593 #define BLOCK_CHAIN_DECL(NODE) \
594 { \
595 TREE_CHAIN ((NODE)) = \
596 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)); \
597 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE); \
598 }
599
600 /* Return the current block, either found in the body of the currently
601 declared function or in the current static block being defined. */
602 #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) : \
603 current_static_block)
604
605 /* Merge an other line to the source line number of a decl. Used to
606 remember function's end. */
607 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
608
609 /* Retrieve those two info separately. */
610 #define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
611 #define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16)
612
613 /* Retrieve line/column from a WFL. */
614 #define EXPR_WFL_GET_LINECOL(V,LINE,COL) \
615 { \
616 (LINE) = (V) >> 12; \
617 (COL) = (V) & 0xfff; \
618 }
619 /* Add X to the column number information */
620 #define EXPR_WFL_ADD_COL(V, X) \
621 (V) = (((V) & 0xfffff000) | ((((V) & 0xfff) + (X)) & 0xfff))
622
623 /* Build a WFL for expression nodes */
624 #define BUILD_EXPR_WFL(NODE, WFL) \
625 build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \
626 EXPR_WFL_COLNO ((WFL)))
627
628 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 2)
629 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
630 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
631 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
632
633 #define GET_SKIP_TYPE(NODE) \
634 (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \
635 TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
636
637 /* Handy macros for the walk operation */
638 #define COMPLETE_CHECK_OP(NODE, N) \
639 { \
640 TREE_OPERAND ((NODE), (N)) = \
641 java_complete_tree (TREE_OPERAND ((NODE), (N))); \
642 if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \
643 return error_mark_node; \
644 }
645 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
646 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
647 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
648
649 /* Building invocations: append(ARG) and StringBuffer(ARG) */
650 #define BUILD_APPEND(ARG) \
651 ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \
652 ? build_method_invocation (wfl_append, \
653 ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
654 : build_method_invocation (wfl_append, \
655 ARG ? build_tree_list (NULL, \
656 build1 (CONVERT_EXPR, \
657 object_type_node,\
658 (ARG))) \
659 : NULL_TREE))
660 #define BUILD_STRING_BUFFER(ARG) \
661 build_new_invocation (wfl_string_buffer, \
662 (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
663
664 #define BUILD_THROW(WHERE, WHAT) \
665 { \
666 (WHERE) = \
667 build (CALL_EXPR, void_type_node, \
668 build_address_of (throw_node), \
669 build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \
670 TREE_SIDE_EFFECTS ((WHERE)) = 1; \
671 }
672
673 /* Set wfl_operator for the most accurate error location */
674 #define SET_WFL_OPERATOR(WHICH, NODE, WFL) \
675 EXPR_WFL_LINECOL (WHICH) = \
676 (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \
677 EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
678
679 #define PATCH_METHOD_RETURN_ERROR() \
680 { \
681 if (ret_decl) \
682 *ret_decl = NULL_TREE; \
683 return error_mark_node; \
684 }
685
686 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */
687 #define CHECK_METHODS(CLASS) \
688 { \
689 if (CLASS_INTERFACE ((CLASS))) \
690 java_check_abstract_methods ((CLASS)); \
691 else \
692 java_check_regular_methods ((CLASS)); \
693 }
694
695 /* Using and reseting the @deprecated tag flag */
696 #define CHECK_DEPRECATED(DECL) \
697 { \
698 if (ctxp->deprecated) \
699 DECL_DEPRECATED (DECL) = 1; \
700 ctxp->deprecated = 0; \
701 }
702
703 /* Register an import */
704 #define REGISTER_IMPORT(WHOLE, NAME) \
705 { \
706 IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \
707 ctxp->import_list = tree_cons ((WHOLE), (NAME), ctxp->import_list); \
708 }
709
710 /* Macro to access the osb (opening square bracket) count */
711 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
712
713 /* Macro for the xreferencer */
714 #define DECL_END_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u1.i)
715 #define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
716
717 /* Parser context data structure. */
718 struct parser_ctxt {
719
720 const char *filename; /* Current filename */
721 struct parser_ctxt *next;
722
723 java_lexer *lexer; /* Current lexer state */
724 char marker_begining; /* Marker. Should be a sub-struct */
725 struct java_line *p_line, *c_line; /* Previous and current line */
726 java_lc elc; /* Error's line column info */
727 int ccb_indent; /* Keep track of {} indent, lexer */
728 int first_ccb_indent1; /* First { at ident level 1 */
729 int last_ccb_indent1; /* Last } at ident level 1 */
730 int parser_ccb_indent; /* Keep track of {} indent, parser */
731 int osb_depth; /* Current depth of [ in an expression */
732 int osb_limit; /* Limit of this depth */
733 int *osb_number; /* Keep track of ['s */
734 int lineno; /* Current lineno */
735 char marker_end; /* End marker. Should be a sub-struct */
736
737 /* The flags section */
738
739 /* Indicates a context used for saving the parser status. The
740 context must be popped when the status is restored. */
741 unsigned saved_data_ctx:1;
742 /* Indicates that a context already contains saved data and that the
743 next save operation will require a new context to be created. */
744 unsigned saved_data:1;
745 /* Integral literal overflow */
746 unsigned minus_seen:1;
747 /* Report error when true */
748 unsigned java_error_flag:1;
749 /* @deprecated tag seen */
750 unsigned deprecated:1;
751 /* Flag to report certain errors (fix this documentation. FIXME) */
752 unsigned class_err:1;
753
754 /* This section is defined only if we compile jc1 */
755 #ifndef JC1_LITE
756 tree modifier_ctx [11]; /* WFL of modifiers */
757 tree class_type; /* Current class */
758 tree function_decl; /* Current function decl, save/restore */
759
760 struct JCF *current_jcf; /* CU jcf */
761
762 int prevent_ese; /* Prevent expression statement error */
763
764 int formal_parameter_number; /* Number of parameters found */
765 int interface_number; /* # itfs declared to extend an itf def */
766
767 tree package; /* Defined package ID */
768
769 /* These two lists won't survive file traversal */
770 tree class_list; /* List of classes in a CU */
771 jdeplist *classd_list; /* Classe dependencies in a CU */
772
773 tree current_parsed_class; /* Class currently parsed */
774 tree current_parsed_class_un; /* Curr. parsed class unqualified name */
775
776 tree non_static_initialized; /* List of non static initialized fields */
777 tree static_initialized; /* List of static non final initialized */
778 tree instance_initializers; /* List of instancei initializers stmts */
779
780 tree import_list; /* List of import */
781 tree import_demand_list; /* List of import on demand */
782
783 tree current_loop; /* List of the currently nested
784 loops/switches */
785 tree current_labeled_block; /* List of currently nested
786 labeled blocks. */
787
788 int pending_block; /* Pending block to close */
789
790 int explicit_constructor_p; /* >0 when processing an explicit
791 constructor. This flag is used to trap
792 illegal argument usage during an
793 explicit constructor invocation. */
794 #endif /* JC1_LITE */
795 };
796
797 /* A set of macros to push/pop/access the currently parsed class. */
798 #define GET_CPC_LIST() ctxp->current_parsed_class
799
800 /* Currently class being parsed is an inner class if an enclosing
801 class has been already pushed. This truth value is only valid prior
802 an inner class is pushed. After, use FIXME. */
803 #define CPC_INNER_P() GET_CPC_LIST ()
804
805 /* Get the currently parsed class DECL_TYPE node. */
806 #define GET_CPC() TREE_VALUE (GET_CPC_LIST ())
807
808 /* Get the currently parsed class unqualified IDENTIFIER_NODE. */
809 #define GET_CPC_UN() TREE_PURPOSE (GET_CPC_LIST ())
810
811 /* Get a parsed class unqualified IDENTIFIER_NODE from its CPC node. */
812 #define GET_CPC_UN_NODE(N) TREE_PURPOSE (N)
813
814 /* Get the currently parsed class DECL_TYPE from its CPC node. */
815 #define GET_CPC_DECL_NODE(N) TREE_VALUE (N)
816
817 /* The currently parsed enclosing currently parsed TREE_LIST node. */
818 #define GET_ENCLOSING_CPC() TREE_CHAIN (GET_CPC_LIST ())
819
820 /* Get the next enclosing context. */
821 #define GET_NEXT_ENCLOSING_CPC(C) TREE_CHAIN (C)
822
823 /* The DECL_TYPE node of the enclosing currently parsed
824 class. NULL_TREE if the currently parsed class isn't an inner
825 class. */
826 #define GET_ENCLOSING_CPC_CONTEXT() (GET_ENCLOSING_CPC () ? \
827 TREE_VALUE (GET_ENCLOSING_CPC ()) : \
828 NULL_TREE)
829
830 /* Make sure that innerclass T sits in an appropriate enclosing
831 context. */
832 #define INNER_ENCLOSING_SCOPE_CHECK(T) \
833 (INNER_CLASS_TYPE_P ((T)) && !ANONYMOUS_CLASS_P ((T)) \
834 && ((current_this \
835 /* We have a this and it's not the right one */ \
836 && (DECL_CONTEXT (TYPE_NAME ((T))) \
837 != TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this)))) \
838 && !inherits_from_p (TREE_TYPE (TREE_TYPE (current_this)), \
839 TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T)))) \
840 && !common_enclosing_context_p (TREE_TYPE (TREE_TYPE (current_this)), \
841 (T)) \
842 && INNER_CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (current_this))) \
843 && !inherits_from_p \
844 (TREE_TYPE (DECL_CONTEXT \
845 (TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this))))),\
846 TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T))))) \
847 /* We don't have a this, which is OK if the current function is \
848 static. */ \
849 || (!current_this \
850 && current_function_decl \
851 && ! METHOD_STATIC (current_function_decl))))
852
853 /* Push macro. First argument to PUSH_CPC is a DECL_TYPE, second
854 argument is the unqualified currently parsed class name. */
855 #define PUSH_CPC(C,R) { \
856 ctxp->current_parsed_class = \
857 tree_cons ((R), (C), GET_CPC_LIST ()); \
858 }
859
860 /* In case of an error, push an error. */
861 #define PUSH_ERROR() PUSH_CPC (error_mark_node, error_mark_node)
862
863 /* Pop macro. Before we pop, we link the current inner class decl (if any)
864 to its enclosing class. */
865 #define POP_CPC() { \
866 link_nested_class_to_enclosing (); \
867 ctxp->current_parsed_class = \
868 TREE_CHAIN (GET_CPC_LIST ()); \
869 }
870
871 #define DEBUG_CPC() \
872 do \
873 { \
874 tree tmp = ctxp->current_parsed_class; \
875 while (tmp) \
876 { \
877 fprintf (stderr, "%s ", \
878 IDENTIFIER_POINTER (TREE_PURPOSE (tmp))); \
879 tmp = TREE_CHAIN (tmp); \
880 } \
881 } \
882 while (0);
883
884 /* Access to the various initializer statement lists */
885 #define CPC_INITIALIZER_LIST(C) ((C)->non_static_initialized)
886 #define CPC_STATIC_INITIALIZER_LIST(C) ((C)->static_initialized)
887 #define CPC_INSTANCE_INITIALIZER_LIST(C) ((C)->instance_initializers)
888
889 /* Access to the various initializer statements */
890 #define CPC_INITIALIZER_STMT(C) (TREE_PURPOSE (CPC_INITIALIZER_LIST (C)))
891 #define CPC_STATIC_INITIALIZER_STMT(C) \
892 (TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)))
893 #define CPC_INSTANCE_INITIALIZER_STMT(C) \
894 (TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)))
895
896 /* Set various initializer statements */
897 #define SET_CPC_INITIALIZER_STMT(C,S) \
898 if (CPC_INITIALIZER_LIST (C)) \
899 TREE_PURPOSE (CPC_INITIALIZER_LIST (C)) = (S);
900 #define SET_CPC_STATIC_INITIALIZER_STMT(C,S) \
901 if (CPC_STATIC_INITIALIZER_LIST (C)) \
902 TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)) = (S);
903 #define SET_CPC_INSTANCE_INITIALIZER_STMT(C,S) \
904 if (CPC_INSTANCE_INITIALIZER_LIST(C)) \
905 TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)) = (S);
906
907 #ifndef JC1_LITE
908 void java_complete_class PARAMS ((void));
909 void java_check_circular_reference PARAMS ((void));
910 void java_fix_constructors PARAMS ((void));
911 void java_layout_classes PARAMS ((void));
912 void java_reorder_fields PARAMS ((void));
913 tree java_method_add_stmt PARAMS ((tree, tree));
914 void java_expand_switch PARAMS ((tree));
915 int java_report_errors PARAMS ((void));
916 extern tree do_resolve_class PARAMS ((tree, tree, tree, tree));
917 #endif
918 char *java_get_line_col PARAMS ((const char *, int, int));
919 extern void reset_report PARAMS ((void));
920
921 /* Always in use, no matter what you compile */
922 void java_push_parser_context PARAMS ((void));
923 void java_pop_parser_context PARAMS ((int));
924 void java_init_lex PARAMS ((FILE *, const char *));
925 extern void java_parser_context_save_global PARAMS ((void));
926 extern void java_parser_context_restore_global PARAMS ((void));
927 int yyparse PARAMS ((void));
928 extern int java_parse PARAMS ((void));
929 extern void yyerror PARAMS ((const char *))
930 #ifdef JC1_LITE
931 ATTRIBUTE_NORETURN
932 #endif
933 ;
934 extern void java_expand_classes PARAMS ((void));
935
936 extern struct parser_ctxt *ctxp;
937 struct parser_ctxt *ctxp_for_generation;
938
939 #endif /* ! GCC_JAVA_PARSE_H */
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