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 JPRIMITIVE_TYPE_OR_VOID_P(TYPE) \
181 (JPRIMITIVE_TYPE_P (TYPE) || ((TYPE) == void_type_node))
183 #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node) \
184 || ((TYPE) == short_type_node) \
185 || ((TYPE) == char_type_node)))
187 /* Not defined in the LRM */
188 #define JSTRING_TYPE_P(TYPE) ((TYPE) \
189 && ((TYPE) == string_type_node || \
190 (TREE_CODE (TYPE) == POINTER_TYPE && \
191 TREE_TYPE (TYPE) == string_type_node)))
192 #define JSTRING_P(NODE) ((NODE) \
193 && (TREE_CODE (NODE) == STRING_CST \
194 || IS_CRAFTED_STRING_BUFFER_P (NODE) \
195 || JSTRING_TYPE_P (TREE_TYPE (NODE))))
197 #define JREFERENCE_TYPE_P(TYPE) ((TYPE) \
198 && (TREE_CODE (TYPE) == RECORD_TYPE \
199 || (TREE_CODE (TYPE) == POINTER_TYPE \
200 && TREE_CODE (TREE_TYPE (TYPE)) == \
202 #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
203 && (TYPE) == TREE_TYPE (null_pointer_node))
205 /* Other predicate */
206 #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL \
207 || TREE_CODE (NODE) == VAR_DECL \
208 || TREE_CODE (NODE) == FIELD_DECL))
210 #define TYPE_INTERFACE_P(TYPE) \
211 (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
213 #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE) \
214 && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
216 /* Standard error messages */
217 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \
218 parse_error_context \
219 ((OPERATOR), "Incompatible type for `%s'. Can't convert `%s' to " \
220 "boolean", operator_string ((NODE)), lang_printable_name ((TYPE),0))
222 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \
223 parse_error_context \
224 ((OPERATOR), "Incompatible type for `%s'. Can't convert `%s' to " \
225 "numeric type", operator_string ((NODE)), lang_printable_name ((TYPE), 0))
227 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \
228 parse_error_context \
229 ((OPERATOR), (JPRIMITIVE_TYPE_P (TYPE) ? \
230 "Incompatible type for `%s'. Explicit cast needed to convert " \
231 "`%s' to integral" : "Incompatible type for `%s'. Can't convert " \
232 "`%s' to integral"), operator_string ((NODE)), \
233 lang_printable_name ((TYPE), 0))
235 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \
236 parse_error_context \
237 ((WFL), "Variable `%s' may not have been initialized", \
238 IDENTIFIER_POINTER (V))
240 /* Definition for loop handling. This is Java's own definition of a
241 loop body. See parse.y for documentation. It's valid once you hold
242 a loop's body (LOOP_EXPR_BODY) */
244 /* The loop main block is the one hold the condition and the loop body */
245 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
246 /* And then there is the loop update block */
247 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
249 /* Inside the loop main block, there is the loop condition and the
250 loop body. They may be reversed if the loop being described is a
251 do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
252 can issue debug info for it, the EXIT_EXPR will be one operand
254 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \
255 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
257 /* Here is the labeled block the loop real body is encapsulated in */
258 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \
259 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
260 /* And here is the loop's real body */
261 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \
262 LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
264 /* Does a loop have a label ? */
265 #define LOOP_HAS_LABEL_P(LOOP) \
266 (ctxp->current_labeled_block \
267 && LABELED_BLOCK_BODY (ctxp->current_labeled_block) == (LOOP))
269 /* Same operation than the one performed above, but considering the
270 previous labeled block */
271 #define LOOP_HAS_LABEL_SKIP_P(LOOP) \
272 (ctxp->current_labeled_block \
273 && TREE_CHAIN (ctxp->current_labeled_block) \
274 && LABELED_BLOCK_BODY (TREE_CHAIN (ctxp->current_labeled_block)) == (LOOP))
276 #define PUSH_LABELED_BLOCK(B) \
278 TREE_CHAIN (B) = ctxp->current_labeled_block; \
279 ctxp->current_labeled_block = (B); \
281 #define POP_LABELED_BLOCK() \
282 ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
284 #define PUSH_LOOP(L) \
286 TREE_CHAIN (L) = ctxp->current_loop; \
287 ctxp->current_loop = (L); \
289 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
291 #define PUSH_EXCEPTIONS(E) \
292 currently_caught_type_list = \
293 tree_cons (NULL_TREE, (E), currently_caught_type_list);
295 #define POP_EXCEPTIONS() \
296 currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
298 /* Check that we're inside a try block. */
299 #define IN_TRY_BLOCK_P() \
300 (currently_caught_type_list \
301 && ((TREE_VALUE (currently_caught_type_list) != \
302 DECL_FUNCTION_THROWS (current_function_decl)) \
303 || TREE_CHAIN (currently_caught_type_list)))
305 /* Check that we have exceptions in E. */
306 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
308 /* Invocation modes, as returned by invocation_mode (). */
317 /* We need the resolution stuff only if we compile jc1 */
320 /* Unresolved type identifiers handling. When we process the source
321 code, we blindly accept an unknown type identifier and try to
322 resolve it later. When an unknown type identifier is encountered
323 and used, we record in a struct jdep element what the incomplete
324 type is and what it should patch. Later, java_complete_class will
325 process all classes known to have unresolved type
326 dependencies. Within each of these classes, this routine will
327 process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
328 needs to be patched in the dependent tree node (JDEP_GET_PATCH,
329 JDEP_APPLY_PATCH) and perform other actions dictated by the context
330 of the patch (JDEP_KIND). The ideas are: we patch only what needs
331 to be patched, and with java_complete_class called at the right
332 time, we will start processing incomplete function bodies tree
333 nodes with everything external to function's bodies already
334 completed, it makes things much simpler. */
337 JDEP_NO_PATCH, /* Must be first */
338 JDEP_SUPER, /* Patch the type of one type
339 supertype. Requires some check
341 JDEP_FIELD, /* Patch the type of a class field */
343 /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
344 JDEP_METHOD, /* Mark the beginning of the patching
345 of a method declaration, including
347 JDEP_METHOD_RETURN, /* Mark the beginning of the patching
348 of a method declaration. Arguments
349 aren't patched, only the returned
351 JDEP_METHOD_END, /* Mark the end of the patching of a
352 method declaration. It indicates
353 that it's time to compute and
354 install a new signature */
356 JDEP_INTERFACE, /* Patch the type of a Class/interface
358 JDEP_VARIABLE, /* Patch the type of a variable declaration */
359 JDEP_PARM, /* Patch the type of a parm declaration */
360 JDEP_TYPE, /* Patch a random tree node type,
361 without the need for any specific
363 JDEP_EXCEPTION /* Patch exceptions specified by `throws' */
366 typedef struct _jdep {
367 #ifdef ONLY_INT_FIELDS
368 int kind : 8; /* Type of patch */
370 enum jdep_code kind : 8;
373 int flag0 : 1; /* Some flags */
374 tree decl; /* Tied decl/or WFL */
375 tree solv; /* What to solve */
376 tree wfl; /* Where thing to resolve where found */
377 tree misc; /* Miscellaneous info (optional). */
378 tree *patch; /* Address of a location to patch */
379 struct _jdep *next; /* Linked list */
383 #define JDEP_DECL(J) ((J)->decl)
384 #define JDEP_DECL_WFL(J) ((J)->decl)
385 #define JDEP_KIND(J) ((J)->kind)
386 #define JDEP_SOLV(J) ((J)->solv)
387 #define JDEP_WFL(J) ((J)->wfl)
388 #define JDEP_MISC(J) ((J)->misc)
389 #define JDEP_CLASS(J) ((J)->class)
390 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
391 #define JDEP_GET_PATCH(J) ((J)->patch)
392 #define JDEP_CHAIN(J) ((J)->next)
393 #define JDEP_TO_RESOLVE(J) ((J)->solv)
394 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
395 #define JDEP_RESOLVED(J, D) ((J)->solv = D)
396 #define JDEP_RESOLVED_P(J) \
397 (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
399 typedef struct _jdeplist {
402 struct _jdeplist *next;
405 #endif /* JC1_LITE */
407 #define CLASSD_FIRST(CD) ((CD)->first)
408 #define CLASSD_LAST(CD) ((CD)->last)
409 #define CLASSD_CHAIN(CD) ((CD)->next)
411 #define JDEP_INSERT(L,J) \
414 (L)->last = (L)->first = (J); \
417 JDEP_CHAIN ((L)->last) = (J); \
422 /* if TYPE can't be resolved, obtain something suitable for its
423 resolution (TYPE is saved in SAVE before being changed). and set
424 CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
425 usually used to determine that a new DEP must be installed on TYPE.
426 Note that when compiling java.lang.Object, references to Object are
428 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \
430 tree returned_type; \
432 if (TREE_TYPE (ctxp->current_parsed_class) == object_type_node \
433 && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \
434 && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \
435 (TYPE) = object_type_node; \
438 if (unresolved_type_p (type, &returned_type)) \
441 (TYPE) = returned_type; \
445 (TYPE) = obtain_incomplete_type (TYPE); \
451 /* Promote a type if it won't be registered as a patch */
452 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \
454 if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \
455 (TYPE) = promote_type (TYPE); \
458 /* Insert a DECL in the current block */
459 #define BLOCK_CHAIN_DECL(NODE) \
461 TREE_CHAIN ((NODE)) = \
462 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)); \
463 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE); \
466 /* Return the current block, either found in the body of the currently
467 declared function or in the current static block being defined. */
468 #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) : \
469 current_static_block)
471 /* For an artificial BLOCK (created to house a local variable declaration not
472 at the start of an existing block), the parent block; otherwise NULL. */
473 #define BLOCK_EXPR_ORIGIN(NODE) BLOCK_ABSTRACT_ORIGIN(NODE)
475 /* Merge an other line to the source line number of a decl. Used to
476 remember function's end. */
477 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
479 /* Retrieve those two info separately. */
480 #define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
481 #define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16)
483 /* Retrieve line/column from a WFL. */
484 #define EXPR_WFL_GET_LINECOL(V,LINE,COL) \
486 (LINE) = (V) >> 12; \
487 (COL) = (V) & 0xfff; \
490 /* Build a WFL for expression nodes */
491 #define BUILD_EXPR_WFL(NODE, WFL) \
492 build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \
493 EXPR_WFL_COLNO ((WFL)))
495 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 1)
496 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
497 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
498 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
500 #define GET_SKIP_TYPE(NODE) \
501 (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \
502 TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
504 /* Handy macros for the walk operation */
505 #define COMPLETE_CHECK_OP(NODE, N) \
507 TREE_OPERAND ((NODE), (N)) = \
508 java_complete_tree (TREE_OPERAND ((NODE), (N))); \
509 if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \
510 return error_mark_node; \
512 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
513 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
514 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
516 /* Building invocations: append(ARG) and StringBuffer(ARG) */
517 #define BUILD_APPEND(ARG) \
518 ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \
519 ? build_method_invocation (wfl_append, \
520 ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
521 : build_method_invocation (wfl_append, \
522 ARG ? build_tree_list (NULL, \
523 build1 (CONVERT_EXPR, \
527 #define BUILD_STRING_BUFFER(ARG) \
528 build_new_invocation (wfl_string_buffer, \
529 (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
531 /* For exception handling, build diverse function calls */
532 #define BUILD_ASSIGN_EXCEPTION_INFO(WHERE, TO) \
534 (WHERE) = build (MODIFY_EXPR, void_type_node, (TO), \
535 soft_exceptioninfo_call_node); \
536 TREE_SIDE_EFFECTS (WHERE) = 1; \
539 #define BUILD_THROW(WHERE, WHAT) \
541 (WHERE) = build (CALL_EXPR, void_type_node, \
542 build_address_of (throw_node), \
543 build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \
544 TREE_SIDE_EFFECTS ((WHERE)) = 1; \
547 /* Set wfl_operator for the most accurate error location */
548 #define SET_WFL_OPERATOR(WHICH, NODE, WFL) \
549 EXPR_WFL_LINECOL (WHICH) = \
550 (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \
551 EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
553 #define PATCH_METHOD_RETURN_ERROR() \
556 *ret_decl = NULL_TREE; \
557 return error_mark_node; \
560 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */
561 #define CHECK_METHODS(CLASS) \
563 if (CLASS_INTERFACE ((CLASS))) \
564 java_check_abstract_methods ((CLASS)); \
566 java_check_regular_methods ((CLASS)); \
569 /* Using and reseting the @deprecated tag flag */
570 #define CHECK_DEPRECATED(DECL) \
572 if (ctxp->deprecated) \
573 DECL_DEPRECATED (DECL) = 1; \
574 ctxp->deprecated = 0; \
577 /* Register an import */
578 #define REGISTER_IMPORT(WHOLE, NAME) \
580 IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \
581 node = build_tree_list ((WHOLE), (NAME)); \
582 TREE_CHAIN (node) = ctxp->import_list; \
583 ctxp->import_list = node; \
586 /* Macro to access the osb (opening square bracket) count */
587 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
589 /* Parser context data structure. */
592 char *filename; /* Current filename */
593 FILE *finput; /* Current file input stream */
594 struct parser_ctxt *next;
596 struct java_line *p_line, *c_line; /* Previous and current line */
597 java_lc elc; /* Error's line column info */
598 unicode_t unget_utf8_value; /* An unget utf8 value */
599 int ccb_indent; /* Keep track of {} indent, lexer */
600 int first_ccb_indent1; /* First { at ident level 1 */
601 int last_ccb_indent1; /* Last } at ident level 1 */
602 int parser_ccb_indent; /* Keep track of {} indent, parser */
603 int osb_depth; /* Current depth of [ in an expression */
604 int osb_limit; /* Limit of this depth */
605 int *osb_number; /* Keep track of ['s */
606 int minus_seen; /* Integral literal overflow */
607 int lineno; /* Current lineno */
608 int java_error_flag; /* Report error when true */
609 int deprecated; /* @deprecated tag seen */
611 /* This section is defined only if we compile jc1 */
613 tree modifier_ctx [11]; /* WFL of modifiers */
614 tree current_class; /* Current class */
615 tree current_function_decl; /* Current function decl, save/restore */
617 struct JCF *current_jcf; /* CU jcf */
619 int prevent_ese; /* Prevent expression statement error */
620 int class_err; /* Flag to report certain errors */
622 int formal_parameter_number; /* Number of parameters found */
623 int interface_number; /* # itfs declared to extend an itf def */
625 tree package; /* Defined package ID */
627 /* Those tow list are saved accross file traversal */
628 tree incomplete_class; /* List of non-complete classes */
629 tree gclass_list; /* All classes seen from source code */
631 /* These two lists won't survive file traversal */
632 tree class_list; /* List of classes in a CU */
633 jdeplist *classd_list; /* Classe dependencies in a CU */
635 tree current_parsed_class; /* Class currently parsed */
636 tree current_parsed_class_un; /* Curr. parsed class unqualified name */
638 tree non_static_initialized; /* List of non static initialized fields */
639 tree static_initialized; /* List of static non final initialized */
641 tree import_list; /* List of import */
642 tree import_demand_list; /* List of import on demand */
644 tree current_loop; /* List of the currently nested
646 tree current_labeled_block; /* List of currently nested
649 int pending_block; /* Pending block to close */
651 int explicit_constructor_p; /* True when processing an explicit
652 constructor. This flag is used to trap
653 illegal argument usage during an
654 explicit constructor invocation. */
655 #endif /* JC1_LITE */
659 void safe_layout_class PROTO ((tree));
660 void java_complete_class PROTO ((void));
661 void java_check_circular_reference PROTO ((void));
662 void java_check_final PROTO ((void));
663 void java_layout_classes PROTO ((void));
664 tree java_method_add_stmt PROTO ((tree, tree));
665 void java_expand_switch PROTO ((tree));
666 int java_report_errors PROTO (());
667 extern tree do_resolve_class PROTO ((tree, tree, tree));
669 char *java_get_line_col PROTO ((char *, int, int));
670 extern void reset_report PROTO ((void));
672 /* Always in use, no matter what you compile */
673 void java_push_parser_context PROTO ((void));
674 void java_pop_parser_context PROTO ((int));
675 void java_init_lex PROTO ((void));
676 extern void java_parser_context_save_global PROTO ((void));
677 extern void java_parser_context_restore_global PROTO ((void));
678 int yyparse PROTO ((void));
679 extern int java_parse PROTO ((void));
681 void yyerror PROTO ((char *));
682 extern void java_expand_classes PROTO ((void));