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_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", (S));
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, 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 predicate */
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 /* Standard error messages */
220 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \
221 parse_error_context ((OPERATOR), \
222 "Incompatible type for `%s'. Can't convert `%s' to boolean", \
223 operator_string ((NODE)), lang_printable_name ((TYPE),0))
225 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \
226 parse_error_context ((OPERATOR), \
227 "Incompatible type for `%s'. Can't convert `%s' to numeric type", \
228 operator_string ((NODE)), lang_printable_name ((TYPE), 0))
230 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \
232 tree _operator = (OPERATOR), _node = (NODE), _type = (TYPE); \
233 if (JPRIMITIVE_TYPE_P (_type)) \
234 parse_error_context (_operator, \
235 "Incompatible type for `%s'. Explicit cast needed to convert `%s' to integral",\
236 operator_string(_node), \
237 lang_printable_name (_type, 0)); \
239 parse_error_context (_operator, \
240 "Incompatible type for `%s'. Can't convert `%s' to integral", \
241 operator_string(_node), \
242 lang_printable_name (_type, 0)); \
245 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \
246 parse_error_context \
247 ((WFL), "Variable `%s' may not have been initialized", \
248 IDENTIFIER_POINTER (V))
250 /* Definition for loop handling. This is Java's own definition of a
251 loop body. See parse.y for documentation. It's valid once you hold
252 a loop's body (LOOP_EXPR_BODY) */
254 /* The loop main block is the one hold the condition and the loop body */
255 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
256 /* And then there is the loop update block */
257 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
259 /* Inside the loop main block, there is the loop condition and the
260 loop body. They may be reversed if the loop being described is a
261 do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
262 can issue debug info for it, the EXIT_EXPR will be one operand
264 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \
265 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
267 /* Here is the labeled block the loop real body is encapsulated in */
268 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \
269 TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
270 /* And here is the loop's real body */
271 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \
272 LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
274 #define PUSH_LABELED_BLOCK(B) \
276 TREE_CHAIN (B) = ctxp->current_labeled_block; \
277 ctxp->current_labeled_block = (B); \
279 #define POP_LABELED_BLOCK() \
280 ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
282 #define PUSH_LOOP(L) \
284 TREE_CHAIN (L) = ctxp->current_loop; \
285 ctxp->current_loop = (L); \
287 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
289 #define PUSH_EXCEPTIONS(E) \
290 currently_caught_type_list = \
291 tree_cons (NULL_TREE, (E), currently_caught_type_list);
293 #define POP_EXCEPTIONS() \
294 currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
296 /* Check that we're inside a try block. */
297 #define IN_TRY_BLOCK_P() \
298 (currently_caught_type_list \
299 && ((TREE_VALUE (currently_caught_type_list) != \
300 DECL_FUNCTION_THROWS (current_function_decl)) \
301 || TREE_CHAIN (currently_caught_type_list)))
303 /* Check that we have exceptions in E. */
304 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
306 /* Invocation modes, as returned by invocation_mode (). */
315 /* We need the resolution stuff only if we compile jc1 */
318 /* Unresolved type identifiers handling. When we process the source
319 code, we blindly accept an unknown type identifier and try to
320 resolve it later. When an unknown type identifier is encountered
321 and used, we record in a struct jdep element what the incomplete
322 type is and what it should patch. Later, java_complete_class will
323 process all classes known to have unresolved type
324 dependencies. Within each of these classes, this routine will
325 process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
326 needs to be patched in the dependent tree node (JDEP_GET_PATCH,
327 JDEP_APPLY_PATCH) and perform other actions dictated by the context
328 of the patch (JDEP_KIND). The ideas are: we patch only what needs
329 to be patched, and with java_complete_class called at the right
330 time, we will start processing incomplete function bodies tree
331 nodes with everything external to function's bodies already
332 completed, it makes things much simpler. */
335 JDEP_NO_PATCH, /* Must be first */
336 JDEP_SUPER, /* Patch the type of one type
337 supertype. Requires some check
339 JDEP_FIELD, /* Patch the type of a class field */
341 /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
342 JDEP_METHOD, /* Mark the beginning of the patching
343 of a method declaration, including
345 JDEP_METHOD_RETURN, /* Mark the beginning of the patching
346 of a method declaration. Arguments
347 aren't patched, only the returned
349 JDEP_METHOD_END, /* Mark the end of the patching of a
350 method declaration. It indicates
351 that it's time to compute and
352 install a new signature */
354 JDEP_INTERFACE, /* Patch the type of a Class/interface
356 JDEP_VARIABLE, /* Patch the type of a variable declaration */
357 JDEP_PARM, /* Patch the type of a parm declaration */
358 JDEP_TYPE, /* Patch a random tree node type,
359 without the need for any specific
361 JDEP_EXCEPTION /* Patch exceptions specified by `throws' */
364 typedef struct _jdep {
365 #ifdef ONLY_INT_FIELDS
366 int kind : 8; /* Type of patch */
368 enum jdep_code kind : 8;
371 int flag0 : 1; /* Some flags */
372 tree decl; /* Tied decl/or WFL */
373 tree solv; /* What to solve */
374 tree wfl; /* Where thing to resolve where found */
375 tree misc; /* Miscellaneous info (optional). */
376 tree *patch; /* Address of a location to patch */
377 struct _jdep *next; /* Linked list */
381 #define JDEP_DECL(J) ((J)->decl)
382 #define JDEP_DECL_WFL(J) ((J)->decl)
383 #define JDEP_KIND(J) ((J)->kind)
384 #define JDEP_SOLV(J) ((J)->solv)
385 #define JDEP_WFL(J) ((J)->wfl)
386 #define JDEP_MISC(J) ((J)->misc)
387 #define JDEP_CLASS(J) ((J)->class)
388 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
389 #define JDEP_GET_PATCH(J) ((J)->patch)
390 #define JDEP_CHAIN(J) ((J)->next)
391 #define JDEP_TO_RESOLVE(J) ((J)->solv)
392 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
393 #define JDEP_RESOLVED(J, D) ((J)->solv = D)
394 #define JDEP_RESOLVED_P(J) \
395 (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
397 typedef struct _jdeplist {
400 struct _jdeplist *next;
403 #endif /* JC1_LITE */
405 #define CLASSD_FIRST(CD) ((CD)->first)
406 #define CLASSD_LAST(CD) ((CD)->last)
407 #define CLASSD_CHAIN(CD) ((CD)->next)
409 #define JDEP_INSERT(L,J) \
412 (L)->last = (L)->first = (J); \
415 JDEP_CHAIN ((L)->last) = (J); \
420 /* if TYPE can't be resolved, obtain something suitable for its
421 resolution (TYPE is saved in SAVE before being changed). and set
422 CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
423 usually used to determine that a new DEP must be installed on TYPE.
424 Note that when compiling java.lang.Object, references to Object are
426 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \
428 tree returned_type; \
430 if (TREE_TYPE (ctxp->current_parsed_class) == object_type_node \
431 && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \
432 && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \
433 (TYPE) = object_type_node; \
436 if (unresolved_type_p (type, &returned_type)) \
439 (TYPE) = returned_type; \
443 (TYPE) = obtain_incomplete_type (TYPE); \
449 /* Promote a type if it won't be registered as a patch */
450 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \
452 if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \
453 (TYPE) = promote_type (TYPE); \
456 /* Insert a DECL in the current block */
457 #define BLOCK_CHAIN_DECL(NODE) \
459 TREE_CHAIN ((NODE)) = \
460 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)); \
461 BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE); \
464 /* Return the current block, either found in the body of the currently
465 declared function or in the current static block being defined. */
466 #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) : \
467 current_static_block)
469 /* For an artificial BLOCK (created to house a local variable declaration not
470 at the start of an existing block), the parent block; otherwise NULL. */
471 #define BLOCK_EXPR_ORIGIN(NODE) BLOCK_ABSTRACT_ORIGIN(NODE)
473 /* Merge an other line to the source line number of a decl. Used to
474 remember function's end. */
475 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
477 /* Retrieve those two info separately. */
478 #define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
479 #define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16)
481 /* Retrieve line/column from a WFL. */
482 #define EXPR_WFL_GET_LINECOL(V,LINE,COL) \
484 (LINE) = (V) >> 12; \
485 (COL) = (V) & 0xfff; \
487 /* Add X to the column number information */
488 #define EXPR_WFL_ADD_COL(V, X) \
489 (V) = (((V) & 0xfffff000) | ((((V) & 0xfff) + (X)) & 0xfff))
491 /* Build a WFL for expression nodes */
492 #define BUILD_EXPR_WFL(NODE, WFL) \
493 build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \
494 EXPR_WFL_COLNO ((WFL)))
496 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 2)
497 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
498 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
499 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
501 #define GET_SKIP_TYPE(NODE) \
502 (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \
503 TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
505 /* Handy macros for the walk operation */
506 #define COMPLETE_CHECK_OP(NODE, N) \
508 TREE_OPERAND ((NODE), (N)) = \
509 java_complete_tree (TREE_OPERAND ((NODE), (N))); \
510 if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \
511 return error_mark_node; \
513 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
514 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
515 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
517 /* Building invocations: append(ARG) and StringBuffer(ARG) */
518 #define BUILD_APPEND(ARG) \
519 ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \
520 ? build_method_invocation (wfl_append, \
521 ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
522 : build_method_invocation (wfl_append, \
523 ARG ? build_tree_list (NULL, \
524 build1 (CONVERT_EXPR, \
528 #define BUILD_STRING_BUFFER(ARG) \
529 build_new_invocation (wfl_string_buffer, \
530 (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
532 /* For exception handling, build diverse function calls */
533 #define BUILD_ASSIGN_EXCEPTION_INFO(WHERE, TO) \
535 (WHERE) = build (MODIFY_EXPR, void_type_node, (TO), \
536 soft_exceptioninfo_call_node); \
537 TREE_SIDE_EFFECTS (WHERE) = 1; \
540 #define BUILD_THROW(WHERE, WHAT) \
542 (WHERE) = build (CALL_EXPR, void_type_node, \
543 build_address_of (throw_node[exceptions_via_longjmp ? 1 : 0]), \
544 build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \
545 TREE_SIDE_EFFECTS ((WHERE)) = 1; \
548 /* Set wfl_operator for the most accurate error location */
549 #define SET_WFL_OPERATOR(WHICH, NODE, WFL) \
550 EXPR_WFL_LINECOL (WHICH) = \
551 (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \
552 EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
554 #define PATCH_METHOD_RETURN_ERROR() \
557 *ret_decl = NULL_TREE; \
558 return error_mark_node; \
561 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */
562 #define CHECK_METHODS(CLASS) \
564 if (CLASS_INTERFACE ((CLASS))) \
565 java_check_abstract_methods ((CLASS)); \
567 java_check_regular_methods ((CLASS)); \
570 /* Using and reseting the @deprecated tag flag */
571 #define CHECK_DEPRECATED(DECL) \
573 if (ctxp->deprecated) \
574 DECL_DEPRECATED (DECL) = 1; \
575 ctxp->deprecated = 0; \
578 /* Register an import */
579 #define REGISTER_IMPORT(WHOLE, NAME) \
581 IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \
582 node = build_tree_list ((WHOLE), (NAME)); \
583 TREE_CHAIN (node) = ctxp->import_list; \
584 ctxp->import_list = node; \
587 /* Safe check that DECL is <clinit> */
588 #define IS_CLINIT(DECL) \
589 (DECL != NULL_TREE && DECL_NAME (DECL) == clinit_identifier_node)
591 /* Macro to access the osb (opening square bracket) count */
592 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
594 /* Macro for the xreferencer */
595 #define DECL_END_SOURCE_LINE(DECL) DECL_FRAME_SIZE (DECL)
596 #define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
598 /* Parser context data structure. */
601 char *filename; /* Current filename */
602 FILE *finput; /* Current file input stream */
603 struct parser_ctxt *next;
605 struct java_line *p_line, *c_line; /* Previous and current line */
606 java_lc elc; /* Error's line column info */
607 unicode_t unget_utf8_value; /* An unget utf8 value */
608 int ccb_indent; /* Keep track of {} indent, lexer */
609 int first_ccb_indent1; /* First { at ident level 1 */
610 int last_ccb_indent1; /* Last } at ident level 1 */
611 int parser_ccb_indent; /* Keep track of {} indent, parser */
612 int osb_depth; /* Current depth of [ in an expression */
613 int osb_limit; /* Limit of this depth */
614 int *osb_number; /* Keep track of ['s */
615 int lineno; /* Current lineno */
617 /* The flags section */
619 /* Indicates a context used for saving the parser status. The
620 context must be popped when the status is restored. */
621 unsigned saved_data_ctx:1;
622 /* Indicates that a context already contains saved data and that the
623 next save operation will require a new context to be created. */
624 unsigned saved_data:1;
625 /* Integral literal overflow */
626 unsigned minus_seen:1;
627 /* Report error when true */
628 unsigned java_error_flag:1;
629 /* @deprecated tag seen */
630 unsigned deprecated:1;
631 /* Flag to report certain errors (fix this documentation. FIXME) */
632 unsigned class_err:1;
634 /* This section is defined only if we compile jc1 */
636 tree modifier_ctx [11]; /* WFL of modifiers */
637 tree current_class; /* Current class */
638 tree current_function_decl; /* Current function decl, save/restore */
640 struct JCF *current_jcf; /* CU jcf */
642 int prevent_ese; /* Prevent expression statement error */
644 int formal_parameter_number; /* Number of parameters found */
645 int interface_number; /* # itfs declared to extend an itf def */
647 tree package; /* Defined package ID */
649 /* Those tow list are saved accross file traversal */
650 tree incomplete_class; /* List of non-complete classes */
651 tree gclass_list; /* All classes seen from source code */
653 /* These two lists won't survive file traversal */
654 tree class_list; /* List of classes in a CU */
655 jdeplist *classd_list; /* Classe dependencies in a CU */
657 tree current_parsed_class; /* Class currently parsed */
658 tree current_parsed_class_un; /* Curr. parsed class unqualified name */
660 tree non_static_initialized; /* List of non static initialized fields */
661 tree static_initialized; /* List of static non final initialized */
663 tree import_list; /* List of import */
664 tree import_demand_list; /* List of import on demand */
666 tree current_loop; /* List of the currently nested
668 tree current_labeled_block; /* List of currently nested
671 int pending_block; /* Pending block to close */
673 int explicit_constructor_p; /* >0 when processing an explicit
674 constructor. This flag is used to trap
675 illegal argument usage during an
676 explicit constructor invocation. */
677 #endif /* JC1_LITE */
681 void safe_layout_class PARAMS ((tree));
682 void java_complete_class PARAMS ((void));
683 void java_check_circular_reference PARAMS ((void));
684 void java_fix_constructors PARAMS ((void));
685 void java_check_final PARAMS ((void));
686 void java_layout_classes PARAMS ((void));
687 tree java_method_add_stmt PARAMS ((tree, tree));
688 void java_expand_switch PARAMS ((tree));
689 int java_report_errors PARAMS ((void));
690 extern tree do_resolve_class PARAMS ((tree, tree, tree));
692 char *java_get_line_col PARAMS ((char *, int, int));
693 extern void reset_report PARAMS ((void));
695 /* Always in use, no matter what you compile */
696 void java_push_parser_context PARAMS ((void));
697 void java_pop_parser_context PARAMS ((int));
698 void java_init_lex PARAMS ((void));
699 extern void java_parser_context_save_global PARAMS ((void));
700 extern void java_parser_context_restore_global PARAMS ((void));
701 int yyparse PARAMS ((void));
702 extern int java_parse PARAMS ((void));
703 void yyerror PARAMS ((const char *));
704 extern void java_expand_classes PARAMS ((void));