1 /* Language parser definitions for the GNU compiler for the Java(TM) language.
2 Copyright (C) 1997, 1998, 1999 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 PROTO ((tree, tree));
40 extern tree stabilize_reference PROTO ((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_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
83 #define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL
85 /* Getting a modifier WFL */
86 #define MODIFIER_WFL(M) (ctxp->modifier_ctx [(M) - PUBLIC_TK])
88 /* Check on modifiers */
89 #define THIS_MODIFIER_ONLY(f, m, v, count, l) \
92 tree node = ctxp->modifier_ctx [v]; \
94 && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l)) \
95 || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l)))) \
102 #define ABSTRACT_CHECK(FLAG, V, CL, S) \
104 parse_error_context ((CL), S " method can't be abstract");
106 #define JCONSTRUCTOR_CHECK(FLAG, V, CL, S) \
108 parse_error_context ((CL), "Constructor can't be %s", (S)); \
111 #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, format, arg) \
143 if (flag_redundant && (cl) && ((flags) & (modifier))) \
144 parse_warning_context (cl, \
145 "Discouraged redundant use of `%s' modifier " \
146 "in declaration of " format, \
147 java_accstring_lookup (modifier), arg); \
150 /* Quickly build a temporary pointer on hypothetical type NAME. */
151 #define BUILD_PTR_FROM_NAME(ptr, name) \
153 ptr = build (POINTER_TYPE, NULL_TREE); \
154 TYPE_NAME (ptr) = name; \
157 #define INCOMPLETE_TYPE_P(NODE) \
158 ((TREE_CODE (NODE) == POINTER_TYPE) \
159 && !TREE_TYPE (NODE) \
160 && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE)
162 /* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information
163 are requested. Works in the context of a parser rule. */
164 #define JAVA_MAYBE_GENERATE_DEBUG_INFO(node) \
165 (debug_info_level != DINFO_LEVEL_NONE ? \
166 EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node)
168 /* Types classification, according to the JLS, section 4.2 */
169 #define JFLOAT_TYPE_P(TYPE) (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE)
170 #define JINTEGRAL_TYPE_P(TYPE) ((TYPE) \
171 && (TREE_CODE ((TYPE)) == INTEGER_TYPE \
172 || TREE_CODE ((TYPE)) == CHAR_TYPE))
173 #define JNUMERIC_TYPE_P(TYPE) ((TYPE) \
174 && (JFLOAT_TYPE_P ((TYPE)) \
175 || JINTEGRAL_TYPE_P ((TYPE))))
176 #define JPRIMITIVE_TYPE_P(TYPE) ((TYPE) \
177 && (JNUMERIC_TYPE_P ((TYPE)) \
178 || TREE_CODE ((TYPE)) == BOOLEAN_TYPE))
180 #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node) \
181 || ((TYPE) == short_type_node) \
182 || ((TYPE) == char_type_node)))
184 /* Not defined in the LRM */
185 #define JSTRING_TYPE_P(TYPE) ((TYPE) \
186 && ((TYPE) == string_type_node || \
187 (TREE_CODE (TYPE) == POINTER_TYPE && \
188 TREE_TYPE (TYPE) == string_type_node)))
189 #define JSTRING_P(NODE) ((NODE) \
190 && (TREE_CODE (NODE) == STRING_CST \
191 || IS_CRAFTED_STRING_BUFFER_P (NODE) \
192 || JSTRING_TYPE_P (TREE_TYPE (NODE))))
194 #define JREFERENCE_TYPE_P(TYPE) ((TYPE) \
195 && (TREE_CODE (TYPE) == RECORD_TYPE \
196 || (TREE_CODE (TYPE) == POINTER_TYPE \
197 && TREE_CODE (TREE_TYPE (TYPE)) == \
199 #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
200 && (TYPE) == TREE_TYPE (null_pointer_node))
202 /* Other predicate */
203 #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL \
204 || TREE_CODE (NODE) == VAR_DECL \
205 || TREE_CODE (NODE) == FIELD_DECL))
207 #define TYPE_INTERFACE_P(TYPE) \
208 (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
210 #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE) \
211 && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
213 /* Standard error messages */
214 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \
215 parse_error_context \
216 ((OPERATOR), "Incompatible type for `%s'. Can't convert `%s' to " \
217 "boolean", operator_string ((NODE)), lang_printable_name ((TYPE),0))
219 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \
220 parse_error_context \
221 ((OPERATOR), "Incompatible type for `%s'. Can't convert `%s' to " \
222 "numeric type", operator_string ((NODE)), lang_printable_name ((TYPE), 0))
224 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \
225 parse_error_context \
226 ((OPERATOR), (JPRIMITIVE_TYPE_P (TYPE) ? \
227 "Incompatible type for `%s'. Explicit cast needed to convert " \
228 "`%s' to integral" : "Incompatible type for `%s'. Can't convert " \
229 "`%s' to integral"), operator_string ((NODE)), \
230 lang_printable_name ((TYPE), 0))
232 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \
233 parse_error_context \
234 ((WFL), "Variable `%s' may not have been initialized", \
235 IDENTIFIER_POINTER (V))
237 /* Definition for loop handling. This is Java's own definition of a
238 loop body. See parse.y for documentation. It's valid once you hold
239 a loop's body (LOOP_EXPR_BODY) */
241 /* The loop main block is the one hold the condition and the loop body */
242 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
243 /* And then there is the loop update block */
244 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
246 /* Inside the loop main block, there is the loop condition and the
247 loop body. They may be reversed if the loop being described is a
248 do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
249 can issue debug info for it, the EXIT_EXPR will be one operand
251 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \
252 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
254 /* Here is the labeled block the loop real body is encapsulated in */
255 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \
256 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
257 /* And here is the loop's real body */
258 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \
259 LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
261 /* Does a loop have a label ? */
262 #define LOOP_HAS_LABEL_P(LOOP) \
263 (ctxp->current_labeled_block \
264 && LABELED_BLOCK_BODY (ctxp->current_labeled_block) == (LOOP))
266 /* Same operation than the one performed above, but considering the
267 previous labeled block */
268 #define LOOP_HAS_LABEL_SKIP_P(LOOP) \
269 (ctxp->current_labeled_block \
270 && TREE_CHAIN (ctxp->current_labeled_block) \
271 && LABELED_BLOCK_BODY (TREE_CHAIN (ctxp->current_labeled_block)) == (LOOP))
273 #define PUSH_LABELED_BLOCK(B) \
275 TREE_CHAIN (B) = ctxp->current_labeled_block; \
276 ctxp->current_labeled_block = (B); \
278 #define POP_LABELED_BLOCK() \
279 ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
281 #define PUSH_LOOP(L) \
283 TREE_CHAIN (L) = ctxp->current_loop; \
284 ctxp->current_loop = (L); \
286 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
288 #define PUSH_EXCEPTIONS(E) \
289 currently_caught_type_list = \
290 tree_cons (NULL_TREE, (E), currently_caught_type_list);
292 #define POP_EXCEPTIONS() \
293 currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
295 /* Check that we're inside a try block. */
296 #define IN_TRY_BLOCK_P() \
297 (currently_caught_type_list \
298 && ((TREE_VALUE (currently_caught_type_list) != \
299 DECL_FUNCTION_THROWS (current_function_decl)) \
300 || TREE_CHAIN (currently_caught_type_list)))
302 /* Check that we have exceptions in E. */
303 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
305 /* Invocation modes, as returned by invocation_mode (). */
314 /* We need the resolution stuff only if we compile jc1 */
317 /* Unresolved type identifiers handling. When we process the source
318 code, we blindly accept an unknown type identifier and try to
319 resolve it later. When an unknown type identifier is encountered
320 and used, we record in a struct jdep element what the incomplete
321 type is and what it should patch. Later, java_complete_class will
322 process all classes known to have unresolved type
323 dependencies. Within each of these classes, this routine will
324 process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
325 needs to be patched in the dependent tree node (JDEP_GET_PATCH,
326 JDEP_APPLY_PATCH) and perform other actions dictated by the context
327 of the patch (JDEP_KIND). The ideas are: we patch only what needs
328 to be patched, and with java_complete_class called at the right
329 time, we will start processing incomplete function bodies tree
330 nodes with everything external to function's bodies already
331 completed, it makes things much simpler. */
334 JDEP_NO_PATCH, /* Must be first */
335 JDEP_SUPER, /* Patch the type of one type
336 supertype. Requires some check
338 JDEP_FIELD, /* Patch the type of a class field */
340 /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
341 JDEP_METHOD, /* Mark the beginning of the patching
342 of a method declaration, including
344 JDEP_METHOD_RETURN, /* Mark the beginning of the patching
345 of a method declaration. Arguments
346 aren't patched, only the returned
348 JDEP_METHOD_END, /* Mark the end of the patching of a
349 method declaration. It indicates
350 that it's time to compute and
351 install a new signature */
353 JDEP_INTERFACE, /* Patch the type of a Class/interface
355 JDEP_VARIABLE, /* Patch the type of a variable declaration */
356 JDEP_PARM, /* Patch the type of a parm declaration */
357 JDEP_TYPE, /* Patch a random tree node type,
358 without the need for any specific
360 JDEP_EXCEPTION /* Patch exceptions specified by `throws' */
363 typedef struct _jdep {
364 #ifdef ONLY_INT_FIELDS
365 int kind : 8; /* Type of patch */
367 enum jdep_code kind : 8;
370 int flag0 : 1; /* Some flags */
371 tree decl; /* Tied decl/or WFL */
372 tree solv; /* What to solve */
373 tree wfl; /* Where thing to resolve where found */
374 tree misc; /* Miscellaneous info (optional). */
375 tree *patch; /* Address of a location to patch */
376 struct _jdep *next; /* Linked list */
380 #define JDEP_DECL(J) ((J)->decl)
381 #define JDEP_DECL_WFL(J) ((J)->decl)
382 #define JDEP_KIND(J) ((J)->kind)
383 #define JDEP_SOLV(J) ((J)->solv)
384 #define JDEP_WFL(J) ((J)->wfl)
385 #define JDEP_MISC(J) ((J)->misc)
386 #define JDEP_CLASS(J) ((J)->class)
387 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
388 #define JDEP_GET_PATCH(J) ((J)->patch)
389 #define JDEP_CHAIN(J) ((J)->next)
390 #define JDEP_TO_RESOLVE(J) ((J)->solv)
391 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
392 #define JDEP_RESOLVED(J, D) ((J)->solv = D)
393 #define JDEP_RESOLVED_P(J) \
394 (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
396 typedef struct _jdeplist {
399 struct _jdeplist *next;
402 #endif /* JC1_LITE */
404 #define CLASSD_FIRST(CD) ((CD)->first)
405 #define CLASSD_LAST(CD) ((CD)->last)
406 #define CLASSD_CHAIN(CD) ((CD)->next)
408 #define JDEP_INSERT(L,J) \
411 (L)->last = (L)->first = (J); \
414 JDEP_CHAIN ((L)->last) = (J); \
419 /* if TYPE can't be resolved, obtain something suitable for its
420 resolution (TYPE is saved in SAVE before being changed). and set
421 CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
422 usually used to determine that a new DEP must be installed on TYPE.
423 Note that when compiling java.lang.Object, references to Object are
425 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \
427 tree returned_type; \
429 if (TREE_TYPE (ctxp->current_parsed_class) == object_type_node \
430 && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \
431 && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \
432 (TYPE) = object_type_node; \
435 if (unresolved_type_p (type, &returned_type)) \
438 (TYPE) = returned_type; \
442 (TYPE) = obtain_incomplete_type (TYPE); \
448 /* Promote a type if it won't be registered as a patch */
449 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \
451 if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \
452 (TYPE) = promote_type (TYPE); \
455 /* Insert a DECL in the current block */
456 #define BLOCK_CHAIN_DECL(NODE) \
458 TREE_CHAIN ((NODE)) = \
459 BLOCK_EXPR_DECLS (DECL_FUNCTION_BODY (current_function_decl)); \
460 BLOCK_EXPR_DECLS (DECL_FUNCTION_BODY (current_function_decl)) = (NODE); \
463 /* For an artificial BLOCK (created to house a local variable declaration not
464 at the start of an existing block), the parent block; otherwise NULL. */
465 #define BLOCK_EXPR_ORIGIN(NODE) BLOCK_ABSTRACT_ORIGIN(NODE)
467 /* Merge an other line to the source line number of a decl. Used to
468 remember function's end. */
469 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
471 /* Retrieve those two info separately. */
472 #define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
473 #define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16)
475 /* Build a WFL for expression nodes */
476 #define BUILD_EXPR_WFL(NODE, WFL) \
477 build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \
478 EXPR_WFL_COLNO ((WFL)))
480 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 1)
481 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
482 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
483 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
485 #define GET_SKIP_TYPE(NODE) \
486 (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \
487 TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
489 /* Handy macros for the walk operation */
490 #define COMPLETE_CHECK_OP(NODE, N) \
492 TREE_OPERAND ((NODE), (N)) = \
493 java_complete_tree (TREE_OPERAND ((NODE), (N))); \
494 if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \
495 return error_mark_node; \
497 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
498 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
499 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
501 /* Building invocations: append(ARG) and StringBuffer(ARG) */
502 #define BUILD_APPEND(ARG) \
503 ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \
504 ? build_method_invocation (wfl_append, \
505 ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
506 : build_method_invocation (wfl_append, \
507 ARG ? build_tree_list (NULL, \
508 build1 (CONVERT_EXPR, \
512 #define BUILD_STRING_BUFFER(ARG) \
513 build_new_invocation (wfl_string_buffer, \
514 (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
516 /* For exception handling, build diverse function calls */
517 #define BUILD_ASSIGN_EXCEPTION_INFO(WHERE, TO) \
519 (WHERE) = build (MODIFY_EXPR, void_type_node, (TO), \
520 soft_exceptioninfo_call_node); \
521 TREE_SIDE_EFFECTS (WHERE) = 1; \
524 #define BUILD_THROW(WHERE, WHAT) \
526 (WHERE) = build (CALL_EXPR, void_type_node, \
527 build_address_of (throw_node), \
528 build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \
529 TREE_SIDE_EFFECTS ((WHERE)) = 1; \
532 /* Set wfl_operator for the most accurate error location */
533 #define SET_WFL_OPERATOR(WHICH, NODE, WFL) \
534 EXPR_WFL_LINECOL (WHICH) = \
535 (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \
536 EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
538 #define PATCH_METHOD_RETURN_ERROR() \
541 *ret_decl = NULL_TREE; \
542 return error_mark_node; \
545 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */
546 #define CHECK_METHODS(CLASS) \
548 if (CLASS_INTERFACE ((CLASS))) \
549 java_check_abstract_methods ((CLASS)); \
551 java_check_regular_methods ((CLASS)); \
554 /* Using and reseting the @deprecated tag flag */
555 #define CHECK_DEPRECATED(DECL) \
557 if (ctxp->deprecated) \
558 DECL_DEPRECATED (DECL) = 1; \
559 ctxp->deprecated = 0; \
562 /* Register an import */
563 #define REGISTER_IMPORT(WHOLE, NAME) \
565 IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \
566 node = build_tree_list ((WHOLE), (NAME)); \
567 TREE_CHAIN (node) = ctxp->import_list; \
568 ctxp->import_list = node; \
571 /* Macro to access the osb (opening square bracket) count */
572 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
574 /* Parser context data structure. */
577 char *filename; /* Current filename */
578 FILE *finput; /* Current file input stream */
579 struct parser_ctxt *next;
581 struct java_line *p_line, *c_line; /* Previous and current line */
582 java_lc elc; /* Error's line column info */
583 unicode_t unget_utf8_value; /* An unget utf8 value */
584 int ccb_indent; /* Keep track of {} indent, lexer */
585 int first_ccb_indent1; /* First { at ident level 1 */
586 int last_ccb_indent1; /* Last } at ident level 1 */
587 int parser_ccb_indent; /* Keep track of {} indent, parser */
588 int osb_depth; /* Current depth of [ in an expression */
589 int osb_limit; /* Limit of this depth */
590 int *osb_number; /* Keep track of ['s */
591 int minus_seen; /* Integral literal overflow */
592 int lineno; /* Current lineno */
593 int java_error_flag; /* Report error when true */
594 int deprecated; /* @deprecated tag seen */
596 /* This section is defined only if we compile jc1 */
598 tree modifier_ctx [11]; /* WFL of modifiers */
599 tree current_class; /* Current class */
600 tree current_function_decl; /* Current function decl, save/restore */
602 struct JCF *current_jcf; /* CU jcf */
604 int prevent_ese; /* Prevent expression statement error */
605 int class_err; /* Flag to report certain errors */
607 int formal_parameter_number; /* Number of parameters found */
608 int interface_number; /* # itfs declared to extend an itf def */
610 tree package; /* Defined package ID */
612 /* Those tow list are saved accross file traversal */
613 tree incomplete_class; /* List of non-complete classes */
614 tree gclass_list; /* All classes seen from source code */
616 /* These two lists won't survive file traversal */
617 tree class_list; /* List of classes in a CU */
618 jdeplist *classd_list; /* Classe dependencies in a CU */
620 tree current_parsed_class; /* Class currently parsed */
621 tree current_parsed_class_un; /* Curr. parsed class unqualified name */
623 tree non_static_initialized; /* List of non static initialized fields */
624 tree static_initialized; /* List of static non final initialized */
626 tree import_list; /* List of import */
627 tree import_demand_list; /* List of import on demand */
629 tree current_loop; /* List of the currently nested
631 tree current_labeled_block; /* List of currently nested
634 int pending_block; /* Pending block to close */
636 int explicit_constructor_p; /* True when processing an explicit
637 constructor. This flag is used to trap
638 illegal argument usage during an
639 explicit constructor invocation. */
640 #endif /* JC1_LITE */
644 void safe_layout_class PROTO ((tree));
645 void java_complete_class PROTO ((void));
646 void java_check_circular_reference PROTO ((void));
647 void java_check_final PROTO ((void));
648 void java_layout_classes PROTO ((void));
649 tree java_method_add_stmt PROTO ((tree, tree));
650 void java_expand_switch PROTO ((tree));
651 int java_report_errors PROTO (());
652 extern tree do_resolve_class PROTO ((tree, tree, tree));
654 char *java_get_line_col PROTO ((char *, int, int));
655 extern void reset_report PROTO ((void));
657 /* Always in use, no matter what you compile */
658 void java_push_parser_context PROTO ((void));
659 void java_pop_parser_context PROTO ((int));
660 void java_init_lex PROTO ((void));
661 extern void java_parser_context_save_global PROTO ((void));
662 extern void java_parser_context_restore_global PROTO ((void));
663 int yyparse PROTO ((void));
664 extern int java_parse PROTO ((void));
666 void yyerror PROTO ((char *));
667 extern void java_expand_classes PROTO ((void));