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comparison gcc/c-tree.h @ 57:326d9e06c2e3

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modify c-parser.c
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 15 Feb 2010 00:54:17 +0900
parents caeb520cebed 77e2b8dfacca
children 1b10fe6932e1
comparison
equal deleted inserted replaced
54:f62c169bbc24 57:326d9e06c2e3
29 /* struct lang_identifier is private to c-decl.c, but langhooks.c needs to 29 /* struct lang_identifier is private to c-decl.c, but langhooks.c needs to
30 know how big it is. This is sanity-checked in c-decl.c. */ 30 know how big it is. This is sanity-checked in c-decl.c. */
31 #define C_SIZEOF_STRUCT_LANG_IDENTIFIER \ 31 #define C_SIZEOF_STRUCT_LANG_IDENTIFIER \
32 (sizeof (struct c_common_identifier) + 3 * sizeof (void *)) 32 (sizeof (struct c_common_identifier) + 3 * sizeof (void *))
33 33
34 /* Language-specific declaration information. */
35
36 struct lang_decl GTY(())
37 {
38 char dummy;
39 };
40
41 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */ 34 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */
42 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1 (TYPE) 35 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1 (TYPE)
43 36
44 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile. */ 37 /* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile. */
45 #define C_TYPE_FIELDS_VOLATILE(TYPE) TREE_LANG_FLAG_2 (TYPE) 38 #define C_TYPE_FIELDS_VOLATILE(TYPE) TREE_LANG_FLAG_2 (TYPE)
55 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a 48 /* In an IDENTIFIER_NODE, nonzero if this identifier is actually a
56 keyword. C_RID_CODE (node) is then the RID_* value of the keyword, 49 keyword. C_RID_CODE (node) is then the RID_* value of the keyword,
57 and C_RID_YYCODE is the token number wanted by Yacc. */ 50 and C_RID_YYCODE is the token number wanted by Yacc. */
58 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID) 51 #define C_IS_RESERVED_WORD(ID) TREE_LANG_FLAG_0 (ID)
59 52
60 struct lang_type GTY(())
61 {
62 /* In a RECORD_TYPE, a sorted array of the fields of the type. */
63 struct sorted_fields_type * GTY ((reorder ("resort_sorted_fields"))) s;
64 /* In an ENUMERAL_TYPE, the min and max values. */
65 tree enum_min;
66 tree enum_max;
67 /* In a RECORD_TYPE, information specific to Objective-C, such
68 as a list of adopted protocols or a pointer to a corresponding
69 @interface. See objc/objc-act.h for details. */
70 tree objc_info;
71 };
72
73 /* Record whether a type or decl was written with nonconstant size. 53 /* Record whether a type or decl was written with nonconstant size.
74 Note that TYPE_SIZE may have simplified to a constant. */ 54 Note that TYPE_SIZE may have simplified to a constant. */
75 #define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE) 55 #define C_TYPE_VARIABLE_SIZE(TYPE) TYPE_LANG_FLAG_1 (TYPE)
76 #define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE) 56 #define C_DECL_VARIABLE_SIZE(TYPE) DECL_LANG_FLAG_0 (TYPE)
77 57
58 /* Record whether a type is defined inside a struct or union type.
59 This is used for -Wc++-compat. */
60 #define C_TYPE_DEFINED_IN_STRUCT(TYPE) TYPE_LANG_FLAG_2 (TYPE)
61
78 /* Record whether a typedef for type `int' was actually `signed int'. */ 62 /* Record whether a typedef for type `int' was actually `signed int'. */
79 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP) 63 #define C_TYPEDEF_EXPLICITLY_SIGNED(EXP) DECL_LANG_FLAG_1 (EXP)
80 64
81 /* For a FUNCTION_DECL, nonzero if it was defined without an explicit 65 /* For a FUNCTION_DECL, nonzero if it was defined without an explicit
82 return type. */ 66 return type. */
85 /* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */ 69 /* For a FUNCTION_DECL, nonzero if it was an implicit declaration. */
86 #define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP) 70 #define C_DECL_IMPLICIT(EXP) DECL_LANG_FLAG_2 (EXP)
87 71
88 /* For FUNCTION_DECLs, evaluates true if the decl is built-in but has 72 /* For FUNCTION_DECLs, evaluates true if the decl is built-in but has
89 been declared. */ 73 been declared. */
90 #define C_DECL_DECLARED_BUILTIN(EXP) \ 74 #define C_DECL_DECLARED_BUILTIN(EXP) \
91 DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP)) 75 DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP))
92 76
93 /* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a 77 /* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a
94 built-in prototype and does not have a non-built-in prototype. */ 78 built-in prototype and does not have a non-built-in prototype. */
95 #define C_DECL_BUILTIN_PROTOTYPE(EXP) \ 79 #define C_DECL_BUILTIN_PROTOTYPE(EXP) \
96 DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP)) 80 DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP))
97 81
98 /* Record whether a decl was declared register. This is strictly a 82 /* Record whether a decl was declared register. This is strictly a
99 front-end flag, whereas DECL_REGISTER is used for code generation; 83 front-end flag, whereas DECL_REGISTER is used for code generation;
100 they may differ for structures with volatile fields. */ 84 they may differ for structures with volatile fields. */
104 unevaluated operand of sizeof / typeof / alignof. This is only 88 unevaluated operand of sizeof / typeof / alignof. This is only
105 used for functions declared static but not defined, though outside 89 used for functions declared static but not defined, though outside
106 sizeof and typeof it is set for other function decls as well. */ 90 sizeof and typeof it is set for other function decls as well. */
107 #define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP)) 91 #define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP))
108 92
109 /* Record whether a label was defined in a statement expression which
110 has finished and so can no longer be jumped to. */
111 #define C_DECL_UNJUMPABLE_STMT_EXPR(EXP) \
112 DECL_LANG_FLAG_6 (LABEL_DECL_CHECK (EXP))
113
114 /* Record whether a label was the subject of a goto from outside the
115 current level of statement expression nesting and so cannot be
116 defined right now. */
117 #define C_DECL_UNDEFINABLE_STMT_EXPR(EXP) \
118 DECL_LANG_FLAG_7 (LABEL_DECL_CHECK (EXP))
119
120 /* Record whether a label was defined in the scope of an identifier
121 with variably modified type which has finished and so can no longer
122 be jumped to. */
123 #define C_DECL_UNJUMPABLE_VM(EXP) \
124 DECL_LANG_FLAG_3 (LABEL_DECL_CHECK (EXP))
125
126 /* Record whether a label was the subject of a goto from outside the
127 current level of scopes of identifiers with variably modified type
128 and so cannot be defined right now. */
129 #define C_DECL_UNDEFINABLE_VM(EXP) \
130 DECL_LANG_FLAG_5 (LABEL_DECL_CHECK (EXP))
131
132 /* Record whether a variable has been declared threadprivate by 93 /* Record whether a variable has been declared threadprivate by
133 #pragma omp threadprivate. */ 94 #pragma omp threadprivate. */
134 #define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL)) 95 #define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL))
135 96
136 /* Nonzero for a decl which either doesn't exist or isn't a prototype. 97 /* Nonzero for a decl which either doesn't exist or isn't a prototype.
137 N.B. Could be simplified if all built-in decls had complete prototypes 98 N.B. Could be simplified if all built-in decls had complete prototypes
138 (but this is presently difficult because some of them need FILE*). */ 99 (but this is presently difficult because some of them need FILE*). */
139 #define C_DECL_ISNT_PROTOTYPE(EXP) \ 100 #define C_DECL_ISNT_PROTOTYPE(EXP) \
140 (EXP == 0 \ 101 (EXP == 0 \
141 || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \ 102 || (TYPE_ARG_TYPES (TREE_TYPE (EXP)) == 0 \
142 && !DECL_BUILT_IN (EXP))) 103 && !DECL_BUILT_IN (EXP)))
143 104
144 /* For FUNCTION_TYPE, a hidden list of types of arguments. The same as 105 /* For FUNCTION_TYPE, a hidden list of types of arguments. The same as
145 TYPE_ARG_TYPES for functions with prototypes, but created for functions 106 TYPE_ARG_TYPES for functions with prototypes, but created for functions
146 without prototypes. */ 107 without prototypes. */
147 #define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE) 108 #define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_LANG_SLOT_1 (NODE)
109
110 /* For a CONSTRUCTOR, whether some initializer contains a
111 subexpression meaning it is not a constant expression. */
112 #define CONSTRUCTOR_NON_CONST(EXPR) TREE_LANG_FLAG_1 (CONSTRUCTOR_CHECK (EXPR))
148 113
149 /* Record parser information about an expression that is irrelevant 114 /* Record parser information about an expression that is irrelevant
150 for code generation alongside a tree representing its value. */ 115 for code generation alongside a tree representing its value. */
151 struct c_expr 116 struct c_expr
152 { 117 {
153 /* The value of the expression. */ 118 /* The value of the expression. */
154 tree value; 119 tree value;
155 /* Record the original unary/binary operator of an expression, which may 120 /* Record the original unary/binary operator of an expression, which may
156 have been changed by fold, STRING_CST for unparenthesized string 121 have been changed by fold, STRING_CST for unparenthesized string
157 constants, or ERROR_MARK for other expressions (including 122 constants, C_MAYBE_CONST_EXPR for __builtin_constant_p calls
123 (even if parenthesized), for subexpressions, and for non-constant
124 initializers, or ERROR_MARK for other expressions (including
158 parenthesized expressions). */ 125 parenthesized expressions). */
159 enum tree_code original_code; 126 enum tree_code original_code;
127 /* If not NULL, the original type of an expression. This will
128 differ from the type of the value field for an enum constant.
129 The type of an enum constant is a plain integer type, but this
130 field will be the enum type. */
131 tree original_type;
160 }; 132 };
161 133
162 /* A kind of type specifier. Note that this information is currently 134 /* A kind of type specifier. Note that this information is currently
163 only used to distinguish tag definitions, tag references and typeof 135 only used to distinguish tag definitions, tag references and typeof
164 uses. */ 136 uses. */
188 struct c_typespec { 160 struct c_typespec {
189 /* What kind of type specifier this is. */ 161 /* What kind of type specifier this is. */
190 enum c_typespec_kind kind; 162 enum c_typespec_kind kind;
191 /* The specifier itself. */ 163 /* The specifier itself. */
192 tree spec; 164 tree spec;
165 /* An expression to be evaluated before the type specifier, in the
166 case of typeof specifiers, or NULL otherwise or if no such
167 expression is required for a particular typeof specifier. In
168 particular, when typeof is applied to an expression of variably
169 modified type, that expression must be evaluated in order to
170 determine array sizes that form part of the type, but the
171 expression itself (as opposed to the array sizes) forms no part
172 of the type and so needs to be recorded separately. */
173 tree expr;
174 /* Whether the expression has operands suitable for use in constant
175 expressions. */
176 bool expr_const_operands;
193 }; 177 };
194 178
195 /* A storage class specifier. */ 179 /* A storage class specifier. */
196 enum c_storage_class { 180 enum c_storage_class {
197 csc_none, 181 csc_none,
228 /* The type specified, if a single type specifier such as a struct, 212 /* The type specified, if a single type specifier such as a struct,
229 union or enum specifier, typedef name or typeof specifies the 213 union or enum specifier, typedef name or typeof specifies the
230 whole type, or NULL_TREE if none or a keyword such as "void" or 214 whole type, or NULL_TREE if none or a keyword such as "void" or
231 "char" is used. Does not include qualifiers. */ 215 "char" is used. Does not include qualifiers. */
232 tree type; 216 tree type;
217 /* Any expression to be evaluated before the type, from a typeof
218 specifier. */
219 tree expr;
233 /* The attributes from a typedef decl. */ 220 /* The attributes from a typedef decl. */
234 tree decl_attr; 221 tree decl_attr;
235 /* When parsing, the attributes. Outside the parser, this will be 222 /* When parsing, the attributes. Outside the parser, this will be
236 NULL; attributes (possibly from multiple lists) will be passed 223 NULL; attributes (possibly from multiple lists) will be passed
237 separately. */ 224 separately. */
239 /* Any type specifier keyword used such as "int", not reflecting 226 /* Any type specifier keyword used such as "int", not reflecting
240 modifiers such as "short", or cts_none if none. */ 227 modifiers such as "short", or cts_none if none. */
241 enum c_typespec_keyword typespec_word; 228 enum c_typespec_keyword typespec_word;
242 /* The storage class specifier, or csc_none if none. */ 229 /* The storage class specifier, or csc_none if none. */
243 enum c_storage_class storage_class; 230 enum c_storage_class storage_class;
231 /* Whether any expressions in typeof specifiers may appear in
232 constant expressions. */
233 BOOL_BITFIELD expr_const_operands : 1;
244 /* Whether any declaration specifiers have been seen at all. */ 234 /* Whether any declaration specifiers have been seen at all. */
245 BOOL_BITFIELD declspecs_seen_p : 1; 235 BOOL_BITFIELD declspecs_seen_p : 1;
246 /* Whether a type specifier has been seen. */ 236 /* Whether a type specifier has been seen. */
247 BOOL_BITFIELD type_seen_p : 1; 237 BOOL_BITFIELD type_seen_p : 1;
248 /* Whether something other than a storage class specifier or 238 /* Whether something other than a storage class specifier or
288 BOOL_BITFIELD volatile_p : 1; 278 BOOL_BITFIELD volatile_p : 1;
289 /* Whether "restrict" was specified. */ 279 /* Whether "restrict" was specified. */
290 BOOL_BITFIELD restrict_p : 1; 280 BOOL_BITFIELD restrict_p : 1;
291 /* Whether "_Sat" was specified. */ 281 /* Whether "_Sat" was specified. */
292 BOOL_BITFIELD saturating_p : 1; 282 BOOL_BITFIELD saturating_p : 1;
283 /* The address space that the declaration belongs to. */
284 addr_space_t address_space;
293 }; 285 };
294 286
295 /* The various kinds of declarators in C. */ 287 /* The various kinds of declarators in C. */
296 enum c_declarator_kind { 288 enum c_declarator_kind {
297 /* An identifier. */ 289 /* An identifier. */
330 struct c_declarator { 322 struct c_declarator {
331 /* The kind of declarator. */ 323 /* The kind of declarator. */
332 enum c_declarator_kind kind; 324 enum c_declarator_kind kind;
333 /* Except for cdk_id, the contained declarator. For cdk_id, NULL. */ 325 /* Except for cdk_id, the contained declarator. For cdk_id, NULL. */
334 struct c_declarator *declarator; 326 struct c_declarator *declarator;
335 location_t id_loc; /* Currently only set for cdk_id. */ 327 location_t id_loc; /* Currently only set for cdk_id, cdk_array. */
336 union { 328 union {
337 /* For identifiers, an IDENTIFIER_NODE or NULL_TREE if an abstract 329 /* For identifiers, an IDENTIFIER_NODE or NULL_TREE if an abstract
338 declarator. */ 330 declarator. */
339 tree id; 331 tree id;
340 /* For functions. */ 332 /* For functions. */
375 tree attrs; 367 tree attrs;
376 /* The declarator. */ 368 /* The declarator. */
377 struct c_declarator *declarator; 369 struct c_declarator *declarator;
378 }; 370 };
379 371
380 /* Save and restore the variables in this file and elsewhere
381 that keep track of the progress of compilation of the current function.
382 Used for nested functions. */
383
384 struct language_function GTY(())
385 {
386 struct c_language_function base;
387 tree x_break_label;
388 tree x_cont_label;
389 struct c_switch * GTY((skip)) x_switch_stack;
390 struct c_arg_info * GTY((skip)) arg_info;
391 int returns_value;
392 int returns_null;
393 int returns_abnormally;
394 int warn_about_return_type;
395 };
396
397 /* Save lists of labels used or defined in particular contexts.
398 Allocated on the parser obstack. */
399
400 struct c_label_list
401 {
402 /* The label at the head of the list. */
403 tree label;
404 /* The rest of the list. */
405 struct c_label_list *next;
406 };
407
408 /* Statement expression context. */
409
410 struct c_label_context_se
411 {
412 /* The labels defined at this level of nesting. */
413 struct c_label_list *labels_def;
414 /* The labels used at this level of nesting. */
415 struct c_label_list *labels_used;
416 /* The next outermost context. */
417 struct c_label_context_se *next;
418 };
419
420 /* Context of variably modified declarations. */
421
422 struct c_label_context_vm
423 {
424 /* The labels defined at this level of nesting. */
425 struct c_label_list *labels_def;
426 /* The labels used at this level of nesting. */
427 struct c_label_list *labels_used;
428 /* The scope of this context. Multiple contexts may be at the same
429 numbered scope, since each variably modified declaration starts a
430 new context. */
431 unsigned scope;
432 /* The next outermost context. */
433 struct c_label_context_vm *next;
434 };
435
436 /* Used when parsing an enum. Initialized by start_enum. */ 372 /* Used when parsing an enum. Initialized by start_enum. */
437 struct c_enum_contents 373 struct c_enum_contents
438 { 374 {
439 /* While defining an enum type, this is 1 plus the last enumerator 375 /* While defining an enum type, this is 1 plus the last enumerator
440 constant value. */ 376 constant value. */
442 378
443 /* Nonzero means that there was overflow computing enum_next_value. */ 379 /* Nonzero means that there was overflow computing enum_next_value. */
444 int enum_overflow; 380 int enum_overflow;
445 }; 381 };
446 382
383 /* A type of reference to a static identifier in an inline
384 function. */
385 enum c_inline_static_type {
386 /* Identifier with internal linkage used in function that may be an
387 inline definition (i.e., file-scope static). */
388 csi_internal,
389 /* Modifiable object with static storage duration defined in
390 function that may be an inline definition (i.e., local
391 static). */
392 csi_modifiable
393 };
394
447 395
448 /* in c-parser.c */ 396 /* in c-parser.c */
449 extern void c_parse_init (void); 397 extern void c_parse_init (void);
450 398
451 /* in c-aux-info.c */ 399 /* in c-aux-info.c */
452 extern void gen_aux_info_record (tree, int, int, int); 400 extern void gen_aux_info_record (tree, int, int, int);
453 401
454 /* in c-decl.c */ 402 /* in c-decl.c */
403 struct c_spot_bindings;
404 struct c_struct_parse_info;
455 extern struct obstack parser_obstack; 405 extern struct obstack parser_obstack;
456 extern tree c_break_label; 406 extern tree c_break_label;
457 extern tree c_cont_label; 407 extern tree c_cont_label;
458 408
459 extern int global_bindings_p (void); 409 extern int global_bindings_p (void);
460 extern void push_scope (void); 410 extern void push_scope (void);
461 extern tree pop_scope (void); 411 extern tree pop_scope (void);
462 412 extern void c_bindings_start_stmt_expr (struct c_spot_bindings *);
413 extern void c_bindings_end_stmt_expr (struct c_spot_bindings *);
414
415 extern void record_inline_static (location_t, tree, tree,
416 enum c_inline_static_type);
463 extern void c_init_decl_processing (void); 417 extern void c_init_decl_processing (void);
464 extern void c_dup_lang_specific_decl (tree);
465 extern void c_print_identifier (FILE *, tree, int); 418 extern void c_print_identifier (FILE *, tree, int);
466 extern int quals_from_declspecs (const struct c_declspecs *); 419 extern int quals_from_declspecs (const struct c_declspecs *);
467 extern struct c_declarator *build_array_declarator (tree, struct c_declspecs *, 420 extern struct c_declarator *build_array_declarator (location_t, tree,
468 bool, bool); 421 struct c_declspecs *,
469 extern tree build_enumerator (struct c_enum_contents *, tree, tree, location_t); 422 bool, bool);
470 extern tree check_for_loop_decls (void); 423 extern tree build_enumerator (location_t, struct c_enum_contents *, tree, tree);
424 extern tree check_for_loop_decls (location_t);
471 extern void mark_forward_parm_decls (void); 425 extern void mark_forward_parm_decls (void);
472 extern void declare_parm_level (void); 426 extern void declare_parm_level (void);
473 extern void undeclared_variable (tree, location_t); 427 extern void undeclared_variable (location_t, tree);
428 extern tree lookup_label_for_goto (location_t, tree);
474 extern tree declare_label (tree); 429 extern tree declare_label (tree);
475 extern tree define_label (location_t, tree); 430 extern tree define_label (location_t, tree);
476 extern void c_maybe_initialize_eh (void); 431 extern struct c_spot_bindings *c_get_switch_bindings (void);
477 extern void finish_decl (tree, tree, tree); 432 extern void c_release_switch_bindings (struct c_spot_bindings *);
433 extern bool c_check_switch_jump_warnings (struct c_spot_bindings *,
434 location_t, location_t);
435 extern void finish_decl (tree, location_t, tree, tree, tree);
478 extern tree finish_enum (tree, tree, tree); 436 extern tree finish_enum (tree, tree, tree);
479 extern void finish_function (void); 437 extern void finish_function (void);
480 extern tree finish_struct (tree, tree, tree); 438 extern tree finish_struct (location_t, tree, tree, tree,
439 struct c_struct_parse_info *);
481 extern struct c_arg_info *get_parm_info (bool); 440 extern struct c_arg_info *get_parm_info (bool);
482 extern tree grokfield (location_t, struct c_declarator *, 441 extern tree grokfield (location_t, struct c_declarator *,
483 struct c_declspecs *, tree, tree *); 442 struct c_declspecs *, tree, tree *);
484 extern tree groktypename (struct c_type_name *); 443 extern tree groktypename (struct c_type_name *, tree *, bool *);
485 extern tree grokparm (const struct c_parm *); 444 extern tree grokparm (const struct c_parm *);
445
486 #ifndef noCbC 446 #ifndef noCbC
487 extern tree implicitly_declare (tree,int); 447 extern tree implicitly_declare (location_t, tree, int);
488 #else 448 #else
489 extern tree implicitly_declare (tree); 449 extern tree implicitly_declare (location_t, tree);
490 #endif 450 #endif
451
491 extern void keep_next_level (void); 452 extern void keep_next_level (void);
492 extern void pending_xref_error (void); 453 extern void pending_xref_error (void);
493 extern void c_push_function_context (void); 454 extern void c_push_function_context (void);
494 extern void c_pop_function_context (void); 455 extern void c_pop_function_context (void);
495 extern void push_parm_decl (const struct c_parm *); 456 extern void push_parm_decl (const struct c_parm *);
496 extern struct c_declarator *set_array_declarator_inner (struct c_declarator *, 457 extern struct c_declarator *set_array_declarator_inner (struct c_declarator *,
497 struct c_declarator *); 458 struct c_declarator *);
498 extern tree c_builtin_function (tree); 459 extern tree c_builtin_function (tree);
499 extern tree c_builtin_function_ext_scope (tree); 460 extern tree c_builtin_function_ext_scope (tree);
500 extern void shadow_tag (const struct c_declspecs *); 461 extern void shadow_tag (const struct c_declspecs *);
501 extern void shadow_tag_warned (const struct c_declspecs *, int); 462 extern void shadow_tag_warned (const struct c_declspecs *, int);
502 extern tree start_enum (struct c_enum_contents *, tree); 463 extern tree start_enum (location_t, struct c_enum_contents *, tree);
503 extern int start_function (struct c_declspecs *, struct c_declarator *, tree); 464 extern int start_function (struct c_declspecs *, struct c_declarator *, tree);
504 extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool, 465 extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool,
505 tree); 466 tree);
506 extern tree start_struct (enum tree_code, tree); 467 extern tree start_struct (location_t, enum tree_code, tree,
468 struct c_struct_parse_info **);
507 extern void store_parm_decls (void); 469 extern void store_parm_decls (void);
508 extern void store_parm_decls_from (struct c_arg_info *); 470 extern void store_parm_decls_from (struct c_arg_info *);
509 extern tree xref_tag (enum tree_code, tree); 471 extern tree xref_tag (enum tree_code, tree);
510 extern struct c_typespec parser_xref_tag (enum tree_code, tree); 472 extern struct c_typespec parser_xref_tag (location_t, enum tree_code, tree);
511 extern int c_expand_decl (tree); 473 extern int c_expand_decl (tree);
512 extern struct c_parm *build_c_parm (struct c_declspecs *, tree, 474 extern struct c_parm *build_c_parm (struct c_declspecs *, tree,
513 struct c_declarator *); 475 struct c_declarator *);
514 extern struct c_declarator *build_attrs_declarator (tree, 476 extern struct c_declarator *build_attrs_declarator (tree,
515 struct c_declarator *); 477 struct c_declarator *);
516 extern struct c_declarator *build_function_declarator (struct c_arg_info *, 478 extern struct c_declarator *build_function_declarator (struct c_arg_info *,
517 struct c_declarator *); 479 struct c_declarator *);
518 extern struct c_declarator *build_id_declarator (tree); 480 extern struct c_declarator *build_id_declarator (tree);
519 extern struct c_declarator *make_pointer_declarator (struct c_declspecs *, 481 extern struct c_declarator *make_pointer_declarator (struct c_declspecs *,
520 struct c_declarator *); 482 struct c_declarator *);
521 extern struct c_declspecs *build_null_declspecs (void); 483 extern struct c_declspecs *build_null_declspecs (void);
522 extern struct c_declspecs *declspecs_add_qual (struct c_declspecs *, tree); 484 extern struct c_declspecs *declspecs_add_qual (struct c_declspecs *, tree);
523 extern struct c_declspecs *declspecs_add_type (struct c_declspecs *, 485 extern struct c_declspecs *declspecs_add_type (location_t,
524 struct c_typespec); 486 struct c_declspecs *,
487 struct c_typespec);
525 extern struct c_declspecs *declspecs_add_scspec (struct c_declspecs *, tree); 488 extern struct c_declspecs *declspecs_add_scspec (struct c_declspecs *, tree);
526 extern struct c_declspecs *declspecs_add_attrs (struct c_declspecs *, tree); 489 extern struct c_declspecs *declspecs_add_attrs (struct c_declspecs *, tree);
490 extern struct c_declspecs *declspecs_add_addrspace (struct c_declspecs *,
491 addr_space_t);
527 extern struct c_declspecs *finish_declspecs (struct c_declspecs *); 492 extern struct c_declspecs *finish_declspecs (struct c_declspecs *);
528 493
529 /* in c-objc-common.c */ 494 /* in c-objc-common.c */
530 extern bool c_objc_common_init (void); 495 extern bool c_objc_common_init (void);
531 extern bool c_missing_noreturn_ok_p (tree); 496 extern bool c_missing_noreturn_ok_p (tree);
532 extern bool c_warn_unused_global_decl (const_tree); 497 extern bool c_warn_unused_global_decl (const_tree);
533 extern void c_initialize_diagnostics (diagnostic_context *); 498 extern void c_initialize_diagnostics (diagnostic_context *);
534 extern bool c_vla_unspec_p (tree x, tree fn); 499 extern bool c_vla_unspec_p (tree x, tree fn);
535 500
536 #define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ 501 #define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \
537 c_build_qualified_type ((TYPE), \ 502 c_build_qualified_type ((TYPE), \
538 ((CONST_P) ? TYPE_QUAL_CONST : 0) | \ 503 ((CONST_P) ? TYPE_QUAL_CONST : 0) | \
539 ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) 504 ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
540 505
541 /* in c-typeck.c */ 506 /* in c-typeck.c */
507 extern bool in_late_binary_op;
542 extern int in_alignof; 508 extern int in_alignof;
543 extern int in_sizeof; 509 extern int in_sizeof;
544 extern int in_typeof; 510 extern int in_typeof;
545 511
546 extern struct c_switch *c_switch_stack; 512 extern struct c_switch *c_switch_stack;
547 extern struct c_label_context_se *label_context_stack_se;
548 extern struct c_label_context_vm *label_context_stack_vm;
549 513
550 extern tree c_objc_common_truthvalue_conversion (location_t, tree); 514 extern tree c_objc_common_truthvalue_conversion (location_t, tree);
551 extern tree require_complete_type (tree); 515 extern tree require_complete_type (tree);
552 extern int same_translation_unit_p (const_tree, const_tree); 516 extern int same_translation_unit_p (const_tree, const_tree);
553 extern int comptypes (tree, tree); 517 extern int comptypes (tree, tree);
554 extern bool c_vla_type_p (const_tree); 518 extern bool c_vla_type_p (const_tree);
555 extern bool c_mark_addressable (tree); 519 extern bool c_mark_addressable (tree);
556 extern void c_incomplete_type_error (const_tree, const_tree); 520 extern void c_incomplete_type_error (const_tree, const_tree);
557 extern tree c_type_promotes_to (tree); 521 extern tree c_type_promotes_to (tree);
558 extern struct c_expr default_function_array_conversion (struct c_expr); 522 extern struct c_expr default_function_array_conversion (location_t,
523 struct c_expr);
559 extern tree composite_type (tree, tree); 524 extern tree composite_type (tree, tree);
560 extern tree build_component_ref (tree, tree); 525 extern tree build_component_ref (location_t, tree, tree);
561 extern tree build_array_ref (tree, tree, location_t); 526 extern tree build_array_ref (location_t, tree, tree);
562 extern tree build_external_ref (tree, int, location_t); 527 extern tree build_external_ref (location_t, tree, int, tree *);
563 extern void pop_maybe_used (bool); 528 extern void pop_maybe_used (bool);
564 extern struct c_expr c_expr_sizeof_expr (struct c_expr); 529 extern struct c_expr c_expr_sizeof_expr (location_t, struct c_expr);
565 extern struct c_expr c_expr_sizeof_type (struct c_type_name *); 530 extern struct c_expr c_expr_sizeof_type (location_t, struct c_type_name *);
566 extern struct c_expr parser_build_unary_op (enum tree_code, struct c_expr, 531 extern struct c_expr parser_build_unary_op (location_t, enum tree_code,
567 location_t); 532 struct c_expr);
568 extern struct c_expr parser_build_binary_op (location_t, 533 extern struct c_expr parser_build_binary_op (location_t,
569 enum tree_code, struct c_expr, 534 enum tree_code, struct c_expr,
570 struct c_expr); 535 struct c_expr);
571 extern tree build_conditional_expr (tree, tree, tree); 536 extern tree build_conditional_expr (location_t, tree, bool, tree, tree,
572 extern tree build_compound_expr (tree, tree); 537 tree, tree);
573 extern tree c_cast_expr (struct c_type_name *, tree); 538 extern tree build_compound_expr (location_t, tree, tree);
574 extern tree build_c_cast (tree, tree); 539 extern tree c_cast_expr (location_t, struct c_type_name *, tree);
575 extern void store_init_value (tree, tree); 540 extern tree build_c_cast (location_t, tree, tree);
541 extern void store_init_value (location_t, tree, tree, tree);
576 extern void error_init (const char *); 542 extern void error_init (const char *);
577 extern void pedwarn_init (location_t, int opt, const char *); 543 extern void pedwarn_init (location_t, int opt, const char *);
578 extern void maybe_warn_string_init (tree, struct c_expr); 544 extern void maybe_warn_string_init (tree, struct c_expr);
579 extern void start_init (tree, tree, int); 545 extern void start_init (tree, tree, int);
580 extern void finish_init (void); 546 extern void finish_init (void);
582 extern void push_init_level (int); 548 extern void push_init_level (int);
583 extern struct c_expr pop_init_level (int); 549 extern struct c_expr pop_init_level (int);
584 extern void set_init_index (tree, tree); 550 extern void set_init_index (tree, tree);
585 extern void set_init_label (tree); 551 extern void set_init_label (tree);
586 extern void process_init_element (struct c_expr, bool); 552 extern void process_init_element (struct c_expr, bool);
587 extern tree build_compound_literal (tree, tree); 553 extern tree build_compound_literal (location_t, tree, tree, bool);
588 extern tree c_start_case (tree); 554 extern void check_compound_literal_type (location_t, struct c_type_name *);
555 extern tree c_start_case (location_t, location_t, tree);
589 extern void c_finish_case (tree); 556 extern void c_finish_case (tree);
590 extern tree build_asm_expr (tree, tree, tree, tree, bool); 557 extern tree build_asm_expr (location_t, tree, tree, tree, tree, tree, bool);
591 extern tree build_asm_stmt (tree, tree); 558 extern tree build_asm_stmt (tree, tree);
592 extern int c_types_compatible_p (tree, tree); 559 extern int c_types_compatible_p (tree, tree);
593 extern tree c_begin_compound_stmt (bool); 560 extern tree c_begin_compound_stmt (bool);
594 extern tree c_end_compound_stmt (tree, bool); 561 extern tree c_end_compound_stmt (location_t, tree, bool);
595 extern void c_finish_if_stmt (location_t, tree, tree, tree, bool); 562 extern void c_finish_if_stmt (location_t, tree, tree, tree, bool);
596 extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, bool); 563 extern void c_finish_loop (location_t, tree, tree, tree, tree, tree, bool);
597 extern tree c_begin_stmt_expr (void); 564 extern tree c_begin_stmt_expr (void);
598 extern tree c_finish_stmt_expr (tree); 565 extern tree c_finish_stmt_expr (location_t, tree);
599 extern tree c_process_expr_stmt (tree); 566 extern tree c_process_expr_stmt (location_t, tree);
600 extern tree c_finish_expr_stmt (tree); 567 extern tree c_finish_expr_stmt (location_t, tree);
601 extern tree c_finish_return (tree); 568 extern tree c_finish_return (location_t, tree, tree);
602 extern tree c_finish_bc_stmt (tree *, bool); 569 extern tree c_finish_bc_stmt (location_t, tree *, bool);
603 extern tree c_finish_goto_label (tree); 570 extern tree c_finish_goto_label (location_t, tree);
604 extern tree c_finish_goto_ptr (tree); 571 extern tree c_finish_goto_ptr (location_t, tree);
605 extern void c_begin_vm_scope (unsigned int);
606 extern void c_end_vm_scope (unsigned int);
607 extern tree c_expr_to_decl (tree, bool *, bool *); 572 extern tree c_expr_to_decl (tree, bool *, bool *);
608 extern tree c_begin_omp_parallel (void); 573 extern tree c_begin_omp_parallel (void);
609 extern tree c_finish_omp_parallel (tree, tree); 574 extern tree c_finish_omp_parallel (location_t, tree, tree);
610 extern tree c_begin_omp_task (void); 575 extern tree c_begin_omp_task (void);
611 extern tree c_finish_omp_task (tree, tree); 576 extern tree c_finish_omp_task (location_t, tree, tree);
612 extern tree c_finish_omp_clauses (tree); 577 extern tree c_finish_omp_clauses (tree);
578 extern tree c_build_va_arg (location_t, tree, tree);
613 579
614 /* Set to 0 at beginning of a function definition, set to 1 if 580 /* Set to 0 at beginning of a function definition, set to 1 if
615 a return statement that specifies a return value is seen. */ 581 a return statement that specifies a return value is seen. */
616 582
617 extern int current_function_returns_value; 583 extern int current_function_returns_value;
632 598
633 /* True means global_bindings_p should return false even if the scope stack 599 /* True means global_bindings_p should return false even if the scope stack
634 says we are in file scope. */ 600 says we are in file scope. */
635 601
636 extern bool c_override_global_bindings_to_false; 602 extern bool c_override_global_bindings_to_false;
637
638 /* True means we've initialized exception handling. */
639 extern bool c_eh_initialized_p;
640 603
641 /* In c-decl.c */ 604 /* In c-decl.c */
642 extern void c_finish_incomplete_decl (tree); 605 extern void c_finish_incomplete_decl (tree);
643 extern void c_write_global_declarations (void); 606 extern void c_write_global_declarations (void);
644 607
652 #endif 615 #endif
653 616
654 extern void pedwarn_c90 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4); 617 extern void pedwarn_c90 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4);
655 extern void pedwarn_c99 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4); 618 extern void pedwarn_c99 (location_t, int opt, const char *, ...) ATTRIBUTE_GCC_CDIAG(3,4);
656 619
620 extern bool c_cpp_error (cpp_reader *, int, location_t, unsigned int,
621 const char *, va_list *)
622 ATTRIBUTE_GCC_CDIAG(5,0);
623
657 #endif /* ! GCC_C_TREE_H */ 624 #endif /* ! GCC_C_TREE_H */