1 /* Language parser definitions for the GNU compiler for the Java(TM) language.
2 Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
3 Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
5 This file is part of GNU CC.
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)
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.
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.
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. */
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;
38 /* Function extern to java/ */
39 extern int int_fits_type_p PARAMS ((tree, tree));
40 extern tree stabilize_reference PARAMS ((tree));
43 /* Macros for verbose debug info */
44 #ifdef VERBOSE_SKELETON
45 #define RULE( rule ) printf ( "jv_yacc:%d: rule %s\n", lineno, rule )
50 #ifdef VERBOSE_SKELETON
51 #undef SOURCE_FRONTEND_DEBUG
52 #define SOURCE_FRONTEND_DEBUG(X) \
53 {if (!quiet_flag) {printf ("* "); printf X; putchar ('\n');} }
55 #define SOURCE_FRONTEND_DEBUG(X)
58 /* Macro for error recovering */
61 { if (!quiet_flag) {printf ("** Recovered\n");} }
62 #define DRECOVERED(s) \
63 { if (!quiet_flag) {printf ("** Recovered (%s)\n", #s);}}
69 #define DRECOVER(s) {yyerrok; DRECOVERED(s);}
70 #define RECOVER {yyerrok; RECOVERED;}
72 #define YYERROR_NOW ctxp->java_error_flag = 1
73 #define YYNOT_TWICE if (ctxp->prevent_ese != lineno)
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_PRIVATE|ACC_ABSTRACT|ACC_STATIC
83 #define INTERFACE_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
84 #define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL
86 /* Getting a modifier WFL */
87 #define MODIFIER_WFL(M) (ctxp->modifier_ctx [(M) - PUBLIC_TK])
89 /* Check on modifiers */
90 #define THIS_MODIFIER_ONLY(f, m, v, count, l) \
93 tree node = MODIFIER_WFL (v); \
95 && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l)) \
96 || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l)))) \
103 #define ABSTRACT_CHECK(FLAG, V, CL, S) \
105 parse_error_context ((CL), "%s method can't be abstract", (S));
107 #define JCONSTRUCTOR_CHECK(FLAG, V, CL, S) \
109 parse_error_context ((CL), "Constructor can't be %s", (S)); \
112 #define exit_java_complete_class() \
117 #define CLASS_OR_INTERFACE(decl, s1, s2) \
119 ((get_access_flags_from_decl (TYPE_NAME (TREE_TYPE (decl))) \
121 s2 : s1) : ((s1 [0]=='S'|| s1 [0]=='s') ? \
122 (s1 [0]=='S' ? "Supertype" : "supertype") : \
123 (s1 [0] > 'A' ? "Type" : "type")))
125 #define GET_REAL_TYPE(TYPE) \
126 (TREE_CODE (TYPE) == TREE_LIST ? TREE_PURPOSE (TYPE) : TYPE)
128 #define GET_METHOD_NAME(METHOD) \
129 (TREE_CODE (DECL_NAME (METHOD)) == EXPR_WITH_FILE_LOCATION ? \
130 EXPR_WFL_NODE (DECL_NAME (METHOD)) : DECL_NAME (METHOD))
132 /* Get TYPE name string, regardless whether TYPE is a class or an
134 #define GET_TYPE_NAME(TYPE) \
135 (TREE_CODE (TYPE_NAME (TYPE)) == IDENTIFIER_NODE ? \
136 IDENTIFIER_POINTER (TYPE_NAME (TYPE)) : \
137 IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (TYPE))))
139 /* Pedantic warning on obsolete modifiers. Note: when cl is NULL,
140 flags was set artificially, such as for a interface method */
141 #define OBSOLETE_MODIFIER_WARNING(cl, flags, __modifier, arg) \
143 if (flag_redundant && (cl) && ((flags) & (__modifier))) \
144 parse_warning_context (cl, \
145 "Discouraged redundant use of `%s' modifier in declaration of %s", \
146 java_accstring_lookup (__modifier), arg); \
148 #define OBSOLETE_MODIFIER_WARNING2(cl, flags, __modifier, arg1, arg2) \
150 if (flag_redundant && (cl) && ((flags) & (__modifier))) \
151 parse_warning_context (cl, \
152 "Discouraged redundant use of `%s' modifier in declaration of %s `%s'", \
153 java_accstring_lookup (__modifier), arg1, arg2);\
156 /* Quickly build a temporary pointer on hypothetical type NAME. */
157 #define BUILD_PTR_FROM_NAME(ptr, name) \
159 ptr = build (POINTER_TYPE, NULL_TREE); \
160 TYPE_NAME (ptr) = name; \
163 #define INCOMPLETE_TYPE_P(NODE) \
164 ((TREE_CODE (NODE) == POINTER_TYPE) \
165 && !TREE_TYPE (NODE) \
166 && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE)
168 /* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information
169 are requested. Works in the context of a parser rule. */
170 #define JAVA_MAYBE_GENERATE_DEBUG_INFO(node) \
171 (debug_info_level != DINFO_LEVEL_NONE ? \
172 EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node)
174 /* Types classification, according to the JLS, section 4.2 */
175 #define JFLOAT_TYPE_P(TYPE) (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE)
176 #define JINTEGRAL_TYPE_P(TYPE) ((TYPE) \
177 && (TREE_CODE ((TYPE)) == INTEGER_TYPE \
178 || TREE_CODE ((TYPE)) == CHAR_TYPE))
179 #define JNUMERIC_TYPE_P(TYPE) ((TYPE) \
180 && (JFLOAT_TYPE_P ((TYPE)) \
181 || JINTEGRAL_TYPE_P ((TYPE))))
182 #define JPRIMITIVE_TYPE_P(TYPE) ((TYPE) \
183 && (JNUMERIC_TYPE_P ((TYPE)) \
184 || TREE_CODE ((TYPE)) == BOOLEAN_TYPE))
186 #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node) \
187 || ((TYPE) == short_type_node) \
188 || ((TYPE) == char_type_node)))
190 /* Not defined in the LRM */
191 #define JSTRING_TYPE_P(TYPE) ((TYPE) \
192 && ((TYPE) == string_type_node || \
193 (TREE_CODE (TYPE) == POINTER_TYPE && \
194 TREE_TYPE (TYPE) == string_type_node)))
195 #define JSTRING_P(NODE) ((NODE) \
196 && (TREE_CODE (NODE) == STRING_CST \
197 || IS_CRAFTED_STRING_BUFFER_P (NODE) \
198 || JSTRING_TYPE_P (TREE_TYPE (NODE))))
200 #define JREFERENCE_TYPE_P(TYPE) ((TYPE) \
201 && (TREE_CODE (TYPE) == RECORD_TYPE \
202 || (TREE_CODE (TYPE) == POINTER_TYPE \
203 && TREE_CODE (TREE_TYPE (TYPE)) == \
205 #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
206 && (TYPE) == TREE_TYPE (null_pointer_node))
208 /* Other predicates */
209 #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL \
210 || TREE_CODE (NODE) == VAR_DECL \
211 || TREE_CODE (NODE) == FIELD_DECL))
213 #define TYPE_INTERFACE_P(TYPE) \
214 (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
216 #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE) \
217 && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
219 /* Identifier business related to 1.1 language extensions. */
221 #define IDENTIFIER_INNER_CLASS_OUTER_FIELD_ACCESS(NODE) \
222 (TREE_CODE (NODE) == IDENTIFIER_NODE && \
223 IDENTIFIER_LENGTH (NODE) >= 8 && \
224 IDENTIFIER_POINTER (NODE)[7] != '0')
226 /* Build the string val$<O> and store it into N. The is used to
227 construct the name of inner class hidden fields used to alias outer
228 scope local variables. */
229 #define MANGLE_OUTER_LOCAL_VARIABLE_NAME(N, O) \
231 char *mangled_name; \
232 obstack_grow (&temporary_obstack, "val$", 4); \
233 obstack_grow (&temporary_obstack, \
234 IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O))); \
235 obstack_1grow (&temporary_obstack, '\0'); \
236 mangled_name = obstack_finish (&temporary_obstack); \
237 (N) = get_identifier (mangled_name); \
238 obstack_free (&temporary_obstack, mangled_name); \
241 /* Build the string parm$<O> and store in into the identifier N. This
242 is used to contruct the name of hidden parameters used to
243 initialize outer scope aliases. */
244 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_ID(N, O) \
246 char *mangled_name; \
247 obstack_grow (&temporary_obstack, "parm$", 5); \
248 obstack_grow (&temporary_obstack, \
249 IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O))); \
250 obstack_1grow (&temporary_obstack, '\0'); \
251 mangled_name = obstack_finish (&temporary_obstack); \
252 (N) = get_identifier (mangled_name); \
253 obstack_free (&temporary_obstack, mangled_name); \
256 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_STR(N, S) \
258 char *mangled_name; \
259 obstack_grow (&temporary_obstack, "parm$", 5); \
260 obstack_grow (&temporary_obstack, (S), strlen ((S))); \
261 obstack_1grow (&temporary_obstack, '\0'); \
262 mangled_name = obstack_finish (&temporary_obstack); \
263 (N) = get_identifier (mangled_name); \
264 obstack_free (&temporary_obstack, mangled_name); \
267 /* Skip THIS and artificial parameters found in function decl M and
268 assign the result to C. We don't do that for $finit$, since it's
269 knowingly called with artificial parms. */
270 #define SKIP_THIS_AND_ARTIFICIAL_PARMS(C,M) \
273 (C) = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
274 if (!METHOD_STATIC ((M))) \
275 (C) = TREE_CHAIN (C); \
276 if (DECL_CONSTRUCTOR_P ((M)) \
277 && PURE_INNER_CLASS_TYPE_P (DECL_CONTEXT ((M)))) \
278 (C) = TREE_CHAIN (C); \
279 if (!DECL_FINIT_P ((M))) \
280 for (i = DECL_FUNCTION_NAP ((M)); i; i--) \
281 (C) = TREE_CHAIN (C); \
284 /* Mark final parameters in method M, by comparison of the argument
285 list L. This macro is used to set the flag once the method has been
287 #define MARK_FINAL_PARMS(M, L) \
289 tree current = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
291 if (!METHOD_STATIC ((M))) \
292 current = TREE_CHAIN (current); \
293 for (; current != end_params_node; \
294 current = TREE_CHAIN (current), list = TREE_CHAIN (list)) \
295 ARG_FINAL_P (current) = ARG_FINAL_P (list); \
296 if (current != list) \
297 fatal ("MARK_FINAL_PARMS"); \
300 /* Reset the ARG_FINAL_P that might have been set in method M args. */
301 #define UNMARK_FINAL_PARMS(M) \
304 for (current = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
305 current != end_params_node; current = TREE_CHAIN (current)) \
306 ARG_FINAL_P (current) = 0; \
309 /* Reverse a crafted parameter list as required. */
310 #define CRAFTED_PARAM_LIST_FIXUP(P) \
315 (P) = nreverse (P); \
316 TREE_CHAIN (last) = end_params_node; \
319 (P) = end_params_node; \
322 /* Modes governing the creation of a alias initializer parameter
323 lists. AIPL stands for Alias Initializer Parameter List. */
325 AIPL_FUNCTION_CREATION, /* Suitable for artificial method creation */
326 AIPL_FUNCTION_DECLARATION, /* Suitable for declared methods */
327 AIPL_FUNCTION_CTOR_INVOCATION, /* Invocation of constructors */
328 AIPL_FUNCTION_FINIT_INVOCATION /* Invocation of $finit$ */
331 /* Standard error messages */
332 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \
333 parse_error_context ((OPERATOR), \
334 "Incompatible type for `%s'. Can't convert `%s' to boolean", \
335 operator_string ((NODE)), lang_printable_name ((TYPE),0))
337 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \
338 parse_error_context ((OPERATOR), \
339 "Incompatible type for `%s'. Can't convert `%s' to numeric type", \
340 operator_string ((NODE)), lang_printable_name ((TYPE), 0))
342 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \
344 tree _operator = (OPERATOR), _node = (NODE), _type = (TYPE); \
345 if (JPRIMITIVE_TYPE_P (_type)) \
346 parse_error_context (_operator, \
347 "Incompatible type for `%s'. Explicit cast needed to convert `%s' to integral",\
348 operator_string(_node), \
349 lang_printable_name (_type, 0)); \
351 parse_error_context (_operator, \
352 "Incompatible type for `%s'. Can't convert `%s' to integral", \
353 operator_string(_node), \
354 lang_printable_name (_type, 0)); \
357 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \
358 parse_error_context \
359 ((WFL), "Variable `%s' may not have been initialized", \
360 IDENTIFIER_POINTER (V))
362 /* Definition for loop handling. This is Java's own definition of a
363 loop body. See parse.y for documentation. It's valid once you hold
364 a loop's body (LOOP_EXPR_BODY) */
366 /* The loop main block is the one hold the condition and the loop body */
367 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
368 /* And then there is the loop update block */
369 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
371 /* Inside the loop main block, there is the loop condition and the
372 loop body. They may be reversed if the loop being described is a
373 do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
374 can issue debug info for it, the EXIT_EXPR will be one operand
376 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \
377 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
379 /* Here is the labeled block the loop real body is encapsulated in */
380 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \
381 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
382 /* And here is the loop's real body */
383 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \
384 LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
386 #define PUSH_LABELED_BLOCK(B) \
388 TREE_CHAIN (B) = ctxp->current_labeled_block; \
389 ctxp->current_labeled_block = (B); \
391 #define POP_LABELED_BLOCK() \
392 ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
394 #define PUSH_LOOP(L) \
396 TREE_CHAIN (L) = ctxp->current_loop; \
397 ctxp->current_loop = (L); \
399 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
401 #define PUSH_EXCEPTIONS(E) \
402 currently_caught_type_list = \
403 tree_cons (NULL_TREE, (E), currently_caught_type_list);
405 #define POP_EXCEPTIONS() \
406 currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
408 /* Check that we're inside a try block. */
409 #define IN_TRY_BLOCK_P() \
410 (currently_caught_type_list \
411 && ((TREE_VALUE (currently_caught_type_list) != \
412 DECL_FUNCTION_THROWS (current_function_decl)) \
413 || TREE_CHAIN (currently_caught_type_list)))
415 /* Check that we have exceptions in E. */
416 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
418 /* Anonymous array access */
419 #define ANONYMOUS_ARRAY_BASE_TYPE(N) TREE_OPERAND ((N), 0)
420 #define ANONYMOUS_ARRAY_DIMS_SIG(N) TREE_OPERAND ((N), 1)
421 #define ANONYMOUS_ARRAY_INITIALIZER(N) TREE_OPERAND ((N), 2)
423 /* Invocation modes, as returned by invocation_mode (). */
432 /* We need the resolution stuff only if we compile jc1 */
435 /* Unresolved type identifiers handling. When we process the source
436 code, we blindly accept an unknown type identifier and try to
437 resolve it later. When an unknown type identifier is encountered
438 and used, we record in a struct jdep element what the incomplete
439 type is and what it should patch. Later, java_complete_class will
440 process all classes known to have unresolved type
441 dependencies. Within each of these classes, this routine will
442 process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
443 needs to be patched in the dependent tree node (JDEP_GET_PATCH,
444 JDEP_APPLY_PATCH) and perform other actions dictated by the context
445 of the patch (JDEP_KIND). The ideas are: we patch only what needs
446 to be patched, and with java_complete_class called at the right
447 time, we will start processing incomplete function bodies tree
448 nodes with everything external to function's bodies already
449 completed, it makes things much simpler. */
452 JDEP_NO_PATCH, /* Must be first */
453 JDEP_SUPER, /* Patch the type of one type
454 supertype. Requires some check
456 JDEP_FIELD, /* Patch the type of a class field */
458 /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
459 JDEP_METHOD, /* Mark the beginning of the patching
460 of a method declaration, including
462 JDEP_METHOD_RETURN, /* Mark the beginning of the patching
463 of a method declaration. Arguments
464 aren't patched, only the returned
466 JDEP_METHOD_END, /* Mark the end of the patching of a
467 method declaration. It indicates
468 that it's time to compute and
469 install a new signature */
471 JDEP_INTERFACE, /* Patch the type of a Class/interface
473 JDEP_VARIABLE, /* Patch the type of a variable declaration */
474 JDEP_PARM, /* Patch the type of a parm declaration */
475 JDEP_TYPE, /* Patch a random tree node type,
476 without the need for any specific
478 JDEP_EXCEPTION, /* Patch exceptions specified by `throws' */
479 JDEP_ANONYMOUS /* Patch anonymous classes
480 (implementation or extension.) */
484 typedef struct _jdep {
485 ENUM_BITFIELD(jdep_code) kind : 8; /* Type of patch */
487 int flag0 : 1; /* Some flags */
488 tree decl; /* Tied decl/or WFL */
489 tree solv; /* What to solve */
490 tree wfl; /* Where thing to resolve where found */
491 tree misc; /* Miscellaneous info (optional). */
492 tree enclosing; /* The enclosing (current) class */
493 tree *patch; /* Address of a location to patch */
494 struct _jdep *next; /* Linked list */
498 #define JDEP_DECL(J) ((J)->decl)
499 #define JDEP_DECL_WFL(J) ((J)->decl)
500 #define JDEP_KIND(J) ((J)->kind)
501 #define JDEP_SOLV(J) ((J)->solv)
502 #define JDEP_WFL(J) ((J)->wfl)
503 #define JDEP_MISC(J) ((J)->misc)
504 #define JDEP_ENCLOSING(J) ((J)->enclosing)
505 #define JDEP_CLASS(J) ((J)->class)
506 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
507 #define JDEP_GET_PATCH(J) ((J)->patch)
508 #define JDEP_CHAIN(J) ((J)->next)
509 #define JDEP_TO_RESOLVE(J) ((J)->solv)
510 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
511 #define JDEP_RESOLVED(J, D) ((J)->solv = D)
512 #define JDEP_RESOLVED_P(J) \
513 (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
515 typedef struct _jdeplist {
518 struct _jdeplist *next;
521 #endif /* JC1_LITE */
523 #define CLASSD_FIRST(CD) ((CD)->first)
524 #define CLASSD_LAST(CD) ((CD)->last)
525 #define CLASSD_CHAIN(CD) ((CD)->next)
527 #define JDEP_INSERT(L,J) \
530 (L)->last = (L)->first = (J); \
533 JDEP_CHAIN ((L)->last) = (J); \
538 /* if TYPE can't be resolved, obtain something suitable for its
539 resolution (TYPE is saved in SAVE before being changed). and set
540 CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
541 usually used to determine that a new DEP must be installed on TYPE.
542 Note that when compiling java.lang.Object, references to Object are
544 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \
546 tree _returned_type; \
548 if (TREE_TYPE (GET_CPC ()) == object_type_node \
549 && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \
550 && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \
551 (TYPE) = object_type_node; \
554 if (unresolved_type_p (type, &_returned_type)) \
556 if (_returned_type) \
557 (TYPE) = _returned_type; \
561 WFL_STRIP_BRACKET (_type, TYPE); \
563 (TYPE) = obtain_incomplete_type (TYPE); \
570 #define WFL_STRIP_BRACKET(TARGET, TYPE) \
572 tree __type = (TYPE); \
573 if (TYPE && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION) \
575 tree _node = EXPR_WFL_NODE (TYPE); \
576 const char *_ptr = IDENTIFIER_POINTER (_node); \
577 const char *_ref = _ptr; \
578 while (_ptr[0] == '[') \
582 tree _new = copy_node (TYPE); \
583 EXPR_WFL_NODE (_new) = get_identifier (_ptr); \
590 /* Promote a type if it won't be registered as a patch */
591 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \
593 if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \
594 (TYPE) = promote_type (TYPE); \
597 /* Insert a DECL in the current block */
598 #define BLOCK_CHAIN_DECL(NODE) \
600 TREE_CHAIN ((NODE)) = \
601 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)); \
602 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE); \
605 /* Return the current block, either found in the body of the currently
606 declared function or in the current static block being defined. */
607 #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) : \
608 current_static_block)
610 /* For an artificial BLOCK (created to house a local variable declaration not
611 at the start of an existing block), the parent block; otherwise NULL. */
612 #define BLOCK_EXPR_ORIGIN(NODE) BLOCK_ABSTRACT_ORIGIN(NODE)
614 /* Merge an other line to the source line number of a decl. Used to
615 remember function's end. */
616 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
618 /* Retrieve those two info separately. */
619 #define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
620 #define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16)
622 /* Retrieve line/column from a WFL. */
623 #define EXPR_WFL_GET_LINECOL(V,LINE,COL) \
625 (LINE) = (V) >> 12; \
626 (COL) = (V) & 0xfff; \
628 /* Add X to the column number information */
629 #define EXPR_WFL_ADD_COL(V, X) \
630 (V) = (((V) & 0xfffff000) | ((((V) & 0xfff) + (X)) & 0xfff))
632 /* Build a WFL for expression nodes */
633 #define BUILD_EXPR_WFL(NODE, WFL) \
634 build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \
635 EXPR_WFL_COLNO ((WFL)))
637 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 2)
638 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
639 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
640 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
642 #define GET_SKIP_TYPE(NODE) \
643 (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \
644 TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
646 /* Handy macros for the walk operation */
647 #define COMPLETE_CHECK_OP(NODE, N) \
649 TREE_OPERAND ((NODE), (N)) = \
650 java_complete_tree (TREE_OPERAND ((NODE), (N))); \
651 if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \
652 return error_mark_node; \
654 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
655 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
656 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
658 /* Building invocations: append(ARG) and StringBuffer(ARG) */
659 #define BUILD_APPEND(ARG) \
660 ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \
661 ? build_method_invocation (wfl_append, \
662 ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
663 : build_method_invocation (wfl_append, \
664 ARG ? build_tree_list (NULL, \
665 build1 (CONVERT_EXPR, \
669 #define BUILD_STRING_BUFFER(ARG) \
670 build_new_invocation (wfl_string_buffer, \
671 (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
673 /* For exception handling, build diverse function calls */
674 #define BUILD_ASSIGN_EXCEPTION_INFO(WHERE, TO) \
676 (WHERE) = build (MODIFY_EXPR, void_type_node, (TO), \
677 soft_exceptioninfo_call_node); \
678 TREE_SIDE_EFFECTS (WHERE) = 1; \
681 #define BUILD_THROW(WHERE, WHAT) \
684 build (CALL_EXPR, void_type_node, \
685 build_address_of (throw_node[exceptions_via_longjmp ? 1 : 0]), \
686 build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \
687 TREE_SIDE_EFFECTS ((WHERE)) = 1; \
690 /* Set wfl_operator for the most accurate error location */
691 #define SET_WFL_OPERATOR(WHICH, NODE, WFL) \
692 EXPR_WFL_LINECOL (WHICH) = \
693 (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \
694 EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
696 #define PATCH_METHOD_RETURN_ERROR() \
699 *ret_decl = NULL_TREE; \
700 return error_mark_node; \
703 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */
704 #define CHECK_METHODS(CLASS) \
706 if (CLASS_INTERFACE ((CLASS))) \
707 java_check_abstract_methods ((CLASS)); \
709 java_check_regular_methods ((CLASS)); \
712 /* Using and reseting the @deprecated tag flag */
713 #define CHECK_DEPRECATED(DECL) \
715 if (ctxp->deprecated) \
716 DECL_DEPRECATED (DECL) = 1; \
717 ctxp->deprecated = 0; \
720 /* Register an import */
721 #define REGISTER_IMPORT(WHOLE, NAME) \
723 IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \
724 ctxp->import_list = chainon (ctxp->import_list, \
725 build_tree_list ((WHOLE), (NAME))); \
728 /* Macro to access the osb (opening square bracket) count */
729 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
731 /* Macro for the xreferencer */
732 #define DECL_END_SOURCE_LINE(DECL) DECL_FRAME_SIZE (DECL)
733 #define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
735 /* Parser context data structure. */
738 const char *filename; /* Current filename */
739 struct parser_ctxt *next;
741 java_lexer *lexer; /* Current lexer state */
742 char marker_begining; /* Marker. Should be a sub-struct */
743 struct java_line *p_line, *c_line; /* Previous and current line */
744 java_lc elc; /* Error's line column info */
745 int ccb_indent; /* Keep track of {} indent, lexer */
746 int first_ccb_indent1; /* First { at ident level 1 */
747 int last_ccb_indent1; /* Last } at ident level 1 */
748 int parser_ccb_indent; /* Keep track of {} indent, parser */
749 int osb_depth; /* Current depth of [ in an expression */
750 int osb_limit; /* Limit of this depth */
751 int *osb_number; /* Keep track of ['s */
752 int lineno; /* Current lineno */
753 char marker_end; /* End marker. Should be a sub-struct */
755 /* The flags section */
757 /* Indicates a context used for saving the parser status. The
758 context must be popped when the status is restored. */
759 unsigned saved_data_ctx:1;
760 /* Indicates that a context already contains saved data and that the
761 next save operation will require a new context to be created. */
762 unsigned saved_data:1;
763 /* Integral literal overflow */
764 unsigned minus_seen:1;
765 /* Report error when true */
766 unsigned java_error_flag:1;
767 /* @deprecated tag seen */
768 unsigned deprecated:1;
769 /* Flag to report certain errors (fix this documentation. FIXME) */
770 unsigned class_err:1;
772 /* This section is defined only if we compile jc1 */
774 tree modifier_ctx [11]; /* WFL of modifiers */
775 tree class_type; /* Current class */
776 tree function_decl; /* Current function decl, save/restore */
778 struct JCF *current_jcf; /* CU jcf */
780 int prevent_ese; /* Prevent expression statement error */
782 int formal_parameter_number; /* Number of parameters found */
783 int interface_number; /* # itfs declared to extend an itf def */
785 tree package; /* Defined package ID */
787 /* Those two list are saved accross file traversal */
788 tree incomplete_class; /* List of non-complete classes */
789 tree gclass_list; /* All classes seen from source code */
791 /* These two lists won't survive file traversal */
792 tree class_list; /* List of classes in a CU */
793 jdeplist *classd_list; /* Classe dependencies in a CU */
795 tree current_parsed_class; /* Class currently parsed */
796 tree current_parsed_class_un; /* Curr. parsed class unqualified name */
798 tree non_static_initialized; /* List of non static initialized fields */
799 tree static_initialized; /* List of static non final initialized */
800 tree instance_initializers; /* List of instancei initializers stmts */
802 tree import_list; /* List of import */
803 tree import_demand_list; /* List of import on demand */
805 tree current_loop; /* List of the currently nested
807 tree current_labeled_block; /* List of currently nested
810 int pending_block; /* Pending block to close */
812 int explicit_constructor_p; /* >0 when processing an explicit
813 constructor. This flag is used to trap
814 illegal argument usage during an
815 explicit constructor invocation. */
816 #endif /* JC1_LITE */
819 /* A set of macros to push/pop/access the currently parsed class. */
820 #define GET_CPC_LIST() ctxp->current_parsed_class
822 /* Currently class being parsed is an inner class if an enclosing
823 class has been already pushed. This truth value is only valid prior
824 an inner class is pushed. After, use FIXME. */
825 #define CPC_INNER_P() GET_CPC_LIST ()
827 /* Get the currently parsed class DECL_TYPE node. */
828 #define GET_CPC() TREE_VALUE (GET_CPC_LIST ())
830 /* Get the currently parsed class unqualified IDENTIFIER_NODE. */
831 #define GET_CPC_UN() TREE_PURPOSE (GET_CPC_LIST ())
833 /* Get a parsed class unqualified IDENTIFIER_NODE from its CPC node. */
834 #define GET_CPC_UN_NODE(N) TREE_PURPOSE (N)
836 /* Get the currently parsed class DECL_TYPE from its CPC node. */
837 #define GET_CPC_DECL_NODE(N) TREE_VALUE (N)
839 /* The currently parsed enclosing currently parsed TREE_LIST node. */
840 #define GET_ENCLOSING_CPC() TREE_CHAIN (GET_CPC_LIST ())
842 /* Get the next enclosing context. */
843 #define GET_NEXT_ENCLOSING_CPC(C) TREE_CHAIN (C)
845 /* The DECL_TYPE node of the enclosing currently parsed
846 class. NULL_TREE if the currently parsed class isn't an inner
848 #define GET_ENCLOSING_CPC_CONTEXT() (GET_ENCLOSING_CPC () ? \
849 TREE_VALUE (GET_ENCLOSING_CPC ()) : \
852 /* Make sure that innerclass T sits in an appropriate enclosing
854 #define INNER_ENCLOSING_SCOPE_CHECK(T) \
855 (INNER_CLASS_TYPE_P ((T)) && !ANONYMOUS_CLASS_P ((T)) \
857 /* We have a this and it's not the right one */ \
858 && (DECL_CONTEXT (TYPE_NAME ((T))) \
859 != TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this)))) \
860 && !inherits_from_p (TREE_TYPE (TREE_TYPE (current_this)), \
861 TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T)))) \
862 && !common_enclosing_context_p (TREE_TYPE (TREE_TYPE (current_this)), \
864 /* We don't have a this. */ \
867 /* Push macro. First argument to PUSH_CPC is a DECL_TYPE, second
868 argument is the unqualified currently parsed class name. */
869 #define PUSH_CPC(C,R) { \
870 ctxp->current_parsed_class = \
871 tree_cons ((R), (C), GET_CPC_LIST ()); \
874 /* In case of an error, push an error. */
875 #define PUSH_ERROR() PUSH_CPC (error_mark_node, error_mark_node)
877 /* Pop macro. Before we pop, we link the current inner class decl (if any)
878 to its enclosing class. */
879 #define POP_CPC() { \
880 link_nested_class_to_enclosing (); \
881 ctxp->current_parsed_class = \
882 TREE_CHAIN (GET_CPC_LIST ()); \
885 #define DEBUG_CPC() \
888 tree tmp = ctxp->current_parsed_class; \
891 fprintf (stderr, "%s ", \
892 IDENTIFIER_POINTER (TREE_PURPOSE (tmp))); \
893 tmp = TREE_CHAIN (tmp); \
898 /* Access to the various initializer statement lists */
899 #define CPC_INITIALIZER_LIST(C) ((C)->non_static_initialized)
900 #define CPC_STATIC_INITIALIZER_LIST(C) ((C)->static_initialized)
901 #define CPC_INSTANCE_INITIALIZER_LIST(C) ((C)->instance_initializers)
903 /* Access to the various initializer statements */
904 #define CPC_INITIALIZER_STMT(C) (TREE_PURPOSE (CPC_INITIALIZER_LIST (C)))
905 #define CPC_STATIC_INITIALIZER_STMT(C) \
906 (TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)))
907 #define CPC_INSTANCE_INITIALIZER_STMT(C) \
908 (TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)))
910 /* Set various initializer statements */
911 #define SET_CPC_INITIALIZER_STMT(C,S) \
912 if (CPC_INITIALIZER_LIST (C)) \
913 TREE_PURPOSE (CPC_INITIALIZER_LIST (C)) = (S);
914 #define SET_CPC_STATIC_INITIALIZER_STMT(C,S) \
915 if (CPC_STATIC_INITIALIZER_LIST (C)) \
916 TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)) = (S);
917 #define SET_CPC_INSTANCE_INITIALIZER_STMT(C,S) \
918 if (CPC_INSTANCE_INITIALIZER_LIST(C)) \
919 TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)) = (S);
922 void java_complete_class PARAMS ((void));
923 void java_check_circular_reference PARAMS ((void));
924 void java_fix_constructors PARAMS ((void));
925 void java_layout_classes PARAMS ((void));
926 void java_reorder_fields PARAMS ((void));
927 tree java_method_add_stmt PARAMS ((tree, tree));
928 void java_expand_switch PARAMS ((tree));
929 int java_report_errors PARAMS ((void));
930 extern tree do_resolve_class PARAMS ((tree, tree, tree, tree));
932 char *java_get_line_col PARAMS ((const char *, int, int));
933 extern void reset_report PARAMS ((void));
935 /* Always in use, no matter what you compile */
936 void java_push_parser_context PARAMS ((void));
937 void java_pop_parser_context PARAMS ((int));
938 void java_init_lex PARAMS ((FILE *, const char *));
939 extern void java_parser_context_save_global PARAMS ((void));
940 extern void java_parser_context_restore_global PARAMS ((void));
941 int yyparse PARAMS ((void));
942 extern int java_parse PARAMS ((void));
943 extern void yyerror PARAMS ((const char *))
948 extern void java_expand_classes PARAMS ((void));