1 /* Definitions for c-common.c.
2 Copyright (C) 1987-2014 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
20 #ifndef GCC_C_COMMON_H
21 #define GCC_C_COMMON_H
23 #include "splay-tree.h"
28 /* In order for the format checking to accept the C frontend
29 diagnostic framework extensions, you must include this file before
30 diagnostic-core.h, not after. The C front end formats are a subset of those
31 for C++, so they are the appropriate set to use in common code;
32 cp-tree.h overrides this for C++. */
33 #if defined(GCC_DIAGNOSTIC_CORE_H)
35 In order for the format checking to accept the C front end diagnostic \
36 framework extensions, you must include this file before diagnostic-core.h \
39 #ifndef GCC_DIAG_STYLE
40 #define GCC_DIAG_STYLE __gcc_cdiag__
42 #include "diagnostic-core.h"
44 /* Usage of TREE_LANG_FLAG_?:
45 0: IDENTIFIER_MARKED (used by search routines).
46 C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C)
47 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
48 STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST)
49 C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C)
51 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST)
55 /* Reserved identifiers. This is the union of all the keywords for C,
56 C++, and Objective-C. All the type modifiers have to be in one
57 block at the beginning, because they are used as mask bits. There
58 are 28 type modifiers; if we add many more we will have to redesign
59 the mask mechanism. */
64 /* C, in empirical order of frequency. */
66 RID_UNSIGNED
, RID_LONG
, RID_CONST
, RID_EXTERN
,
67 RID_REGISTER
, RID_TYPEDEF
, RID_SHORT
, RID_INLINE
,
68 RID_VOLATILE
, RID_SIGNED
, RID_AUTO
, RID_RESTRICT
,
69 RID_NORETURN
, RID_ATOMIC
,
72 RID_COMPLEX
, RID_THREAD
, RID_SAT
,
75 RID_FRIEND
, RID_VIRTUAL
, RID_EXPLICIT
, RID_EXPORT
, RID_MUTABLE
,
77 /* ObjC ("PQ" reserved words - they do not appear after a '@' and
78 are keywords only in specific contexts) */
79 RID_IN
, RID_OUT
, RID_INOUT
, RID_BYCOPY
, RID_BYREF
, RID_ONEWAY
,
81 /* ObjC ("PATTR" reserved words - they do not appear after a '@'
82 and are keywords only as property attributes) */
83 RID_GETTER
, RID_SETTER
,
84 RID_READONLY
, RID_READWRITE
,
85 RID_ASSIGN
, RID_RETAIN
, RID_COPY
,
88 /* C (reserved and imaginary types not implemented, so any use is a
93 RID_INT
, RID_CHAR
, RID_FLOAT
, RID_DOUBLE
, RID_VOID
,
95 RID_ENUM
, RID_STRUCT
, RID_UNION
, RID_IF
, RID_ELSE
,
96 RID_WHILE
, RID_DO
, RID_FOR
, RID_SWITCH
, RID_CASE
,
97 RID_DEFAULT
, RID_BREAK
, RID_CONTINUE
, RID_RETURN
, RID_GOTO
,
101 RID_ASM
, RID_TYPEOF
, RID_ALIGNOF
, RID_ATTRIBUTE
, RID_VA_ARG
,
102 RID_EXTENSION
, RID_IMAGPART
, RID_REALPART
, RID_LABEL
, RID_CHOOSE_EXPR
,
103 RID_TYPES_COMPATIBLE_P
, RID_BUILTIN_COMPLEX
, RID_BUILTIN_SHUFFLE
,
104 RID_DFLOAT32
, RID_DFLOAT64
, RID_DFLOAT128
,
105 RID_FRACT
, RID_ACCUM
, RID_AUTO_TYPE
,
108 RID_ALIGNAS
, RID_GENERIC
,
110 /* This means to warn that this is a C++ keyword, and then treat it
111 as a normal identifier. */
114 /* GNU transactional memory extension */
115 RID_TRANSACTION_ATOMIC
, RID_TRANSACTION_RELAXED
, RID_TRANSACTION_CANCEL
,
117 /* Too many ways of getting the name of a function as a string */
118 RID_FUNCTION_NAME
, RID_PRETTY_FUNCTION_NAME
, RID_C99_FUNCTION_NAME
,
120 /* C++ (some of these are keywords in Objective-C as well, but only
121 if they appear after a '@') */
122 RID_BOOL
, RID_WCHAR
, RID_CLASS
,
123 RID_PUBLIC
, RID_PRIVATE
, RID_PROTECTED
,
124 RID_TEMPLATE
, RID_NULL
, RID_CATCH
,
125 RID_DELETE
, RID_FALSE
, RID_NAMESPACE
,
126 RID_NEW
, RID_OFFSETOF
, RID_OPERATOR
,
127 RID_THIS
, RID_THROW
, RID_TRUE
,
128 RID_TRY
, RID_TYPENAME
, RID_TYPEID
,
129 RID_USING
, RID_CHAR16
, RID_CHAR32
,
132 RID_CONSTCAST
, RID_DYNCAST
, RID_REINTCAST
, RID_STATCAST
,
135 RID_BASES
, RID_DIRECT_BASES
,
136 RID_HAS_NOTHROW_ASSIGN
, RID_HAS_NOTHROW_CONSTRUCTOR
,
137 RID_HAS_NOTHROW_COPY
, RID_HAS_TRIVIAL_ASSIGN
,
138 RID_HAS_TRIVIAL_CONSTRUCTOR
, RID_HAS_TRIVIAL_COPY
,
139 RID_HAS_TRIVIAL_DESTRUCTOR
, RID_HAS_VIRTUAL_DESTRUCTOR
,
140 RID_IS_ABSTRACT
, RID_IS_BASE_OF
,
142 RID_IS_EMPTY
, RID_IS_ENUM
,
143 RID_IS_FINAL
, RID_IS_LITERAL_TYPE
,
144 RID_IS_POD
, RID_IS_POLYMORPHIC
,
145 RID_IS_STD_LAYOUT
, RID_IS_TRIVIAL
,
146 RID_IS_TRIVIALLY_ASSIGNABLE
, RID_IS_TRIVIALLY_CONSTRUCTIBLE
,
147 RID_IS_TRIVIALLY_COPYABLE
,
148 RID_IS_UNION
, RID_UNDERLYING_TYPE
,
151 RID_CONSTEXPR
, RID_DECLTYPE
, RID_NOEXCEPT
, RID_NULLPTR
, RID_STATIC_ASSERT
,
153 /* Cilk Plus keywords. */
154 RID_CILK_SPAWN
, RID_CILK_SYNC
, RID_CILK_FOR
,
156 /* Objective-C ("AT" reserved words - they are only keywords when
158 RID_AT_ENCODE
, RID_AT_END
,
159 RID_AT_CLASS
, RID_AT_ALIAS
, RID_AT_DEFS
,
160 RID_AT_PRIVATE
, RID_AT_PROTECTED
, RID_AT_PUBLIC
, RID_AT_PACKAGE
,
161 RID_AT_PROTOCOL
, RID_AT_SELECTOR
,
162 RID_AT_THROW
, RID_AT_TRY
, RID_AT_CATCH
,
163 RID_AT_FINALLY
, RID_AT_SYNCHRONIZED
,
164 RID_AT_OPTIONAL
, RID_AT_REQUIRED
, RID_AT_PROPERTY
,
165 RID_AT_SYNTHESIZE
, RID_AT_DYNAMIC
,
167 RID_AT_IMPLEMENTATION
,
169 /* Named address support, mapping the keyword to a particular named address
170 number. Named address space 0 is reserved for the generic address. If
171 there are more than 254 named addresses, the addr_space_t type will need
172 to be grown from an unsigned char to unsigned short. */
173 RID_ADDR_SPACE_0
, /* generic address */
190 RID_FIRST_ADDR_SPACE
= RID_ADDR_SPACE_0
,
191 RID_LAST_ADDR_SPACE
= RID_ADDR_SPACE_15
,
195 RID_FIRST_MODIFIER
= RID_STATIC
,
196 RID_LAST_MODIFIER
= RID_ONEWAY
,
198 RID_FIRST_CXX0X
= RID_CONSTEXPR
,
199 RID_LAST_CXX0X
= RID_STATIC_ASSERT
,
200 RID_FIRST_AT
= RID_AT_ENCODE
,
201 RID_LAST_AT
= RID_AT_IMPLEMENTATION
,
202 RID_FIRST_PQ
= RID_IN
,
203 RID_LAST_PQ
= RID_ONEWAY
,
204 RID_FIRST_PATTR
= RID_GETTER
,
205 RID_LAST_PATTR
= RID_NONATOMIC
208 #define OBJC_IS_AT_KEYWORD(rid) \
209 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \
210 (unsigned int) (rid) <= (unsigned int) RID_LAST_AT)
212 #define OBJC_IS_PQ_KEYWORD(rid) \
213 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \
214 (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ)
216 #define OBJC_IS_PATTR_KEYWORD(rid) \
217 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \
218 (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR)
220 /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as
221 'class') which are shared in a subtle way between Objective-C and
222 C++. When the lexer is lexing in Objective-C/Objective-C++, if it
223 finds '@' followed by one of these identifiers (eg, '@class'), it
224 recognizes the whole as an Objective-C keyword. If the identifier
225 is found elsewhere, it follows the rules of the C/C++ language.
227 #define OBJC_IS_CXX_KEYWORD(rid) \
229 || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \
230 || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH)
232 /* The elements of `ridpointers' are identifier nodes for the reserved
233 type names and storage classes. It is indexed by a RID_... value. */
234 extern GTY ((length ("(int) RID_MAX"))) tree
*ridpointers
;
236 /* Standard named or nameless data types of the C compiler. */
243 CTI_UNDERLYING_WCHAR_TYPE
,
245 CTI_SIGNED_SIZE_TYPE
, /* For format checking only. */
246 CTI_UNSIGNED_PTRDIFF_TYPE
, /* For format checking only. */
249 CTI_WIDEST_INT_LIT_TYPE
,
250 CTI_WIDEST_UINT_LIT_TYPE
,
252 /* Types for <stdint.h>, that may not be defined on all
264 CTI_INT_LEAST16_TYPE
,
265 CTI_INT_LEAST32_TYPE
,
266 CTI_INT_LEAST64_TYPE
,
267 CTI_UINT_LEAST8_TYPE
,
268 CTI_UINT_LEAST16_TYPE
,
269 CTI_UINT_LEAST32_TYPE
,
270 CTI_UINT_LEAST64_TYPE
,
276 CTI_UINT_FAST16_TYPE
,
277 CTI_UINT_FAST32_TYPE
,
278 CTI_UINT_FAST64_TYPE
,
283 CTI_CHAR16_ARRAY_TYPE
,
284 CTI_CHAR32_ARRAY_TYPE
,
285 CTI_WCHAR_ARRAY_TYPE
,
287 CTI_CONST_STRING_TYPE
,
289 /* Type for boolean expressions (bool in C++, int in C). */
292 CTI_TRUTHVALUE_FALSE
,
294 CTI_DEFAULT_FUNCTION_TYPE
,
296 /* These are not types, but we have to look them up all the time. */
297 CTI_FUNCTION_NAME_DECL
,
298 CTI_PRETTY_FUNCTION_NAME_DECL
,
299 CTI_C99_FUNCTION_NAME_DECL
,
300 CTI_SAVED_FUNCTION_NAME_DECLS
,
307 #define C_CPP_HASHNODE(id) \
308 (&(((struct c_common_identifier *) (id))->node))
309 #define C_RID_CODE(id) \
310 ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code))
311 #define C_SET_RID_CODE(id, code) \
312 (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code)
314 /* Identifier part common to the C front ends. Inherits from
315 tree_identifier, despite appearances. */
316 struct GTY(()) c_common_identifier
{
317 struct tree_common common
;
318 struct cpp_hashnode node
;
321 /* An entry in the reserved keyword table. */
323 struct c_common_resword
325 const char *const word
;
326 ENUM_BITFIELD(rid
) const rid
: 16;
327 const unsigned int disable
: 16;
330 /* Extra cpp_ttype values for C++. */
332 /* A token type for template-ids. If a template-id is processed while
333 parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token;
334 the value of the CPP_TEMPLATE_ID is whatever was returned by
335 cp_parser_template_id. */
336 #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1))
338 /* A token type for nested-name-specifiers. If a
339 nested-name-specifier is processed while parsing tentatively, it is
340 replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the
341 CPP_NESTED_NAME_SPECIFIER is whatever was returned by
342 cp_parser_nested_name_specifier_opt. */
343 #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1))
345 /* A token type for pre-parsed C++0x decltype. */
346 #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1))
348 /* The number of token types, including C++-specific ones. */
349 #define N_CP_TTYPES ((int) (CPP_DECLTYPE + 1))
351 /* Disable mask. Keywords are disabled if (reswords[i].disable &
352 mask) is _true_. Thus for keywords which are present in all
353 languages the disable field is zero. */
355 #define D_CONLY 0x001 /* C only (not in C++). */
356 #define D_CXXONLY 0x002 /* C++ only (not in C). */
357 #define D_C99 0x004 /* In C, C99 only. */
358 #define D_CXX0X 0x008 /* In C++, C++0X only. */
359 #define D_EXT 0x010 /* GCC extension. */
360 #define D_EXT89 0x020 /* GCC extension incorporated in C99. */
361 #define D_ASM 0x040 /* Disabled by -fno-asm. */
362 #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */
363 #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */
364 #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */
366 /* The reserved keyword table. */
367 extern const struct c_common_resword c_common_reswords
[];
369 /* The number of items in the reserved keyword table. */
370 extern const unsigned int num_c_common_reswords
;
372 #define char16_type_node c_global_trees[CTI_CHAR16_TYPE]
373 #define char32_type_node c_global_trees[CTI_CHAR32_TYPE]
374 #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE]
375 #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE]
376 #define wint_type_node c_global_trees[CTI_WINT_TYPE]
377 #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE]
378 #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE]
379 #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE]
380 #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE]
381 #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
382 #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
384 #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE]
385 #define int8_type_node c_global_trees[CTI_INT8_TYPE]
386 #define int16_type_node c_global_trees[CTI_INT16_TYPE]
387 #define int32_type_node c_global_trees[CTI_INT32_TYPE]
388 #define int64_type_node c_global_trees[CTI_INT64_TYPE]
389 #define uint8_type_node c_global_trees[CTI_UINT8_TYPE]
390 #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE]
391 #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE]
392 #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE]
393 #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE]
394 #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE]
395 #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE]
396 #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE]
397 #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE]
398 #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE]
399 #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE]
400 #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE]
401 #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE]
402 #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE]
403 #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE]
404 #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE]
405 #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE]
406 #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE]
407 #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE]
408 #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE]
409 #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE]
410 #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE]
412 #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE]
413 #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE]
414 #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE]
416 #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE]
417 #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE]
418 #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE]
419 #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE]
420 #define string_type_node c_global_trees[CTI_STRING_TYPE]
421 #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE]
423 #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE]
425 #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL]
426 #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL]
427 #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL]
428 #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS]
430 /* The node for C++ `__null'. */
431 #define null_node c_global_trees[CTI_NULL]
433 extern GTY(()) tree c_global_trees
[CTI_MAX
];
435 /* In a RECORD_TYPE, a sorted array of the fields of the type, not a
436 tree for size reasons. */
437 struct GTY(()) sorted_fields_type
{
439 tree
GTY((length ("%h.len"))) elts
[1];
442 /* Mark which labels are explicitly declared.
443 These may be shadowed, and may be referenced from nested functions. */
444 #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label)
446 typedef enum c_language_kind
448 clk_c
= 0, /* C90, C94 or C99 */
449 clk_objc
= 1, /* clk_c with ObjC features. */
450 clk_cxx
= 2, /* ANSI/ISO C++ */
451 clk_objcxx
= 3 /* clk_cxx with ObjC features. */
455 /* To test for a specific language use c_language, defined by each
456 front end. For "ObjC features" or "not C++" use the macros. */
457 extern c_language_kind c_language
;
459 #define c_dialect_cxx() ((c_language & clk_cxx) != 0)
460 #define c_dialect_objc() ((c_language & clk_objc) != 0)
462 /* The various name of operator that appears in error messages. */
463 typedef enum ref_operator
{
472 /* implicit conversion */
473 RO_IMPLICIT_CONVERSION
,
478 /* Information about a statement tree. */
480 struct GTY(()) stmt_tree_s
{
481 /* A stack of statement lists being collected. */
482 vec
<tree
, va_gc
> *x_cur_stmt_list
;
484 /* In C++, Nonzero if we should treat statements as full
485 expressions. In particular, this variable is non-zero if at the
486 end of a statement we should destroy any temporaries created
487 during that statement. Similarly, if, at the end of a block, we
488 should destroy any local variables in this block. Normally, this
489 variable is nonzero, since those are the normal semantics of
492 This flag has no effect in C. */
493 int stmts_are_full_exprs_p
;
496 typedef struct stmt_tree_s
*stmt_tree
;
498 /* Global state pertinent to the current function. Some C dialects
499 extend this structure with additional fields. */
501 struct GTY(()) c_language_function
{
502 /* While we are parsing the function, this contains information
503 about the statement-tree that we are building. */
504 struct stmt_tree_s x_stmt_tree
;
506 /* Vector of locally defined typedefs, for
507 -Wunused-local-typedefs. */
508 vec
<tree
, va_gc
> *local_typedefs
;
511 #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list)
513 /* When building a statement-tree, this is the current statement list
515 #define cur_stmt_list (stmt_list_stack->last ())
517 #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty())
519 /* Language-specific hooks. */
521 /* If non-NULL, this function is called after a precompile header file
523 extern void (*lang_post_pch_load
) (void);
525 extern void push_file_scope (void);
526 extern void pop_file_scope (void);
527 extern stmt_tree
current_stmt_tree (void);
528 extern tree
push_stmt_list (void);
529 extern tree
pop_stmt_list (tree
);
530 extern tree
add_stmt (tree
);
531 extern void push_cleanup (tree
, tree
, bool);
532 extern tree
pushdecl_top_level (tree
);
533 extern tree
pushdecl (tree
);
534 extern tree
build_modify_expr (location_t
, tree
, tree
, enum tree_code
,
535 location_t
, tree
, tree
);
536 extern tree
build_array_notation_expr (location_t
, tree
, tree
, enum tree_code
,
537 location_t
, tree
, tree
);
538 extern tree
build_array_notation_ref (location_t
, tree
, tree
, tree
, tree
, tree
);
539 extern tree
build_indirect_ref (location_t
, tree
, ref_operator
);
541 extern int field_decl_cmp (const void *, const void *);
542 extern void resort_sorted_fields (void *, void *, gt_pointer_operator
,
544 extern bool has_c_linkage (const_tree decl
);
546 /* Switches common to the C front ends. */
548 /* Nonzero means don't output line number information. */
550 extern char flag_no_line_commands
;
552 /* Nonzero causes -E output not to be done, but directives such as
553 #define that have side effects are still obeyed. */
555 extern char flag_no_output
;
557 /* Nonzero means dump macros in some fashion; contains the 'D', 'M',
558 'N' or 'U' of the command line switch. */
560 extern char flag_dump_macros
;
562 /* Nonzero means pass #include lines through to the output. */
564 extern char flag_dump_includes
;
566 /* Nonzero means process PCH files while preprocessing. */
568 extern bool flag_pch_preprocess
;
570 /* The file name to which we should write a precompiled header, or
571 NULL if no header will be written in this compile. */
573 extern const char *pch_file
;
575 /* Nonzero if an ISO standard was selected. It rejects macros in the
580 /* C/ObjC language option variables. */
583 /* Nonzero means allow type mismatches in conditional expressions;
584 just make their values `void'. */
586 extern int flag_cond_mismatch
;
588 /* Nonzero means enable C89 Amendment 1 features. */
590 extern int flag_isoc94
;
592 /* Nonzero means use the ISO C99 (or C11) dialect of C. */
594 extern int flag_isoc99
;
596 /* Nonzero means use the ISO C11 dialect of C. */
598 extern int flag_isoc11
;
600 /* Nonzero means that we have builtin functions, and main is an int. */
602 extern int flag_hosted
;
604 /* ObjC language option variables. */
607 /* Tells the compiler that this is a special run. Do not perform any
608 compiling, instead we are to test some platform dependent features
609 and output a C header file with appropriate definitions. */
611 extern int print_struct_values
;
613 /* Tells the compiler what is the constant string class for ObjC. */
615 extern const char *constant_string_class_name
;
618 /* C++ language option variables. */
621 /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is
622 less than N and the other is at least N, for use by -Wabi. */
623 #define abi_version_crosses(N) \
624 (abi_version_at_least(N) \
625 != (flag_abi_compat_version == 0 \
626 || flag_abi_compat_version >= (N)))
628 /* Nonzero means generate separate instantiation control files and
629 juggle them at link time. */
631 extern int flag_use_repository
;
633 /* The supported C++ dialects. */
648 /* The C++ dialect being used. C++98 is the default. */
649 extern enum cxx_dialect cxx_dialect
;
651 /* Maximum template instantiation depth. This limit is rather
652 arbitrary, but it exists to limit the time it takes to notice
653 excessively recursive template instantiations. */
655 extern int max_tinst_depth
;
657 /* Nonzero means that we should not issue warnings about problems that
658 occur when the code is executed, because the code being processed
659 is not expected to be executed. This is set during parsing. This
660 is used for cases like sizeof() and "0 ? a : b". This is a count,
661 not a bool, because unexecuted expressions can nest. */
663 extern int c_inhibit_evaluation_warnings
;
665 /* Whether lexing has been completed, so subsequent preprocessor
666 errors should use the compiler's input_location. */
668 extern bool done_lexing
;
670 /* C types are partitioned into three subsets: object, function, and
672 #define C_TYPE_OBJECT_P(type) \
673 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type))
675 #define C_TYPE_INCOMPLETE_P(type) \
676 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0)
678 #define C_TYPE_FUNCTION_P(type) \
679 (TREE_CODE (type) == FUNCTION_TYPE)
681 /* For convenience we define a single macro to identify the class of
682 object or incomplete types. */
683 #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \
684 (!C_TYPE_FUNCTION_P (type))
686 struct visibility_flags
688 unsigned inpragma
: 1; /* True when in #pragma GCC visibility. */
689 unsigned inlines_hidden
: 1; /* True when -finlineshidden in effect. */
692 /* These enumerators are possible types of unsafe conversions.
693 SAFE_CONVERSION The conversion is safe
694 UNSAFE_OTHER Another type of conversion with problems
695 UNSAFE_SIGN Conversion between signed and unsigned integers
696 which are all warned about immediately, so this is unused
697 UNSAFE_REAL Conversions that reduce the precision of reals
698 including conversions from reals to integers
700 enum conversion_safety
{ SAFE_CONVERSION
= 0, UNSAFE_OTHER
, UNSAFE_SIGN
, UNSAFE_REAL
};
702 /* Global visibility options. */
703 extern struct visibility_flags visibility_options
;
705 /* Attribute table common to the C front ends. */
706 extern const struct attribute_spec c_common_attribute_table
[];
707 extern const struct attribute_spec c_common_format_attribute_table
[];
709 /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc.
710 ID is the identifier to use, NAME is the string.
711 TYPE_DEP indicates whether it depends on type of the function or not
712 (i.e. __PRETTY_FUNCTION__). */
714 extern tree (*make_fname_decl
) (location_t
, tree
, int);
716 /* In c-decl.c and cp/tree.c. FIXME. */
717 extern void c_register_addr_space (const char *str
, addr_space_t as
);
720 extern bool in_late_binary_op
;
721 extern const char *c_addr_space_name (addr_space_t as
);
722 extern tree
identifier_global_value (tree
);
723 extern tree
c_linkage_bindings (tree
);
724 extern void record_builtin_type (enum rid
, const char *, tree
);
725 extern tree
build_void_list_node (void);
726 extern void start_fname_decls (void);
727 extern void finish_fname_decls (void);
728 extern const char *fname_as_string (int);
729 extern tree
fname_decl (location_t
, unsigned, tree
);
731 extern int check_user_alignment (const_tree
, bool);
732 extern void check_function_arguments (const_tree
, int, tree
*);
733 extern void check_function_arguments_recurse (void (*)
735 unsigned HOST_WIDE_INT
),
737 unsigned HOST_WIDE_INT
);
738 extern bool check_builtin_function_arguments (tree
, int, tree
*);
739 extern void check_function_format (tree
, int, tree
*);
740 extern tree
handle_format_attribute (tree
*, tree
, tree
, int, bool *);
741 extern tree
handle_format_arg_attribute (tree
*, tree
, tree
, int, bool *);
742 extern bool attribute_takes_identifier_p (const_tree
);
743 extern bool c_common_handle_option (size_t, const char *, int, int, location_t
,
744 const struct cl_option_handlers
*);
745 extern bool default_handle_c_option (size_t, const char *, int);
746 extern tree
c_common_type_for_mode (enum machine_mode
, int);
747 extern tree
c_common_type_for_size (unsigned int, int);
748 extern tree
c_common_fixed_point_type_for_size (unsigned int, unsigned int,
750 extern tree
c_common_unsigned_type (tree
);
751 extern tree
c_common_signed_type (tree
);
752 extern tree
c_common_signed_or_unsigned_type (int, tree
);
753 extern void c_common_init_ts (void);
754 extern tree
c_build_bitfield_integer_type (unsigned HOST_WIDE_INT
, int);
755 extern enum conversion_safety
unsafe_conversion_p (location_t
, tree
, tree
,
757 extern bool decl_with_nonnull_addr_p (const_tree
);
758 extern tree
c_fully_fold (tree
, bool, bool *);
759 extern tree
decl_constant_value_for_optimization (tree
);
760 extern tree
c_wrap_maybe_const (tree
, bool);
761 extern tree
c_save_expr (tree
);
762 extern tree
c_common_truthvalue_conversion (location_t
, tree
);
763 extern void c_apply_type_quals_to_decl (int, tree
);
764 extern tree
c_sizeof_or_alignof_type (location_t
, tree
, bool, bool, int);
765 extern tree
c_alignof_expr (location_t
, tree
);
766 /* Print an error message for invalid operands to arith operation CODE.
767 NOP_EXPR is used as a special case (see truthvalue_conversion). */
768 extern void binary_op_error (location_t
, enum tree_code
, tree
, tree
);
769 extern tree
fix_string_type (tree
);
770 extern void constant_expression_warning (tree
);
771 extern void constant_expression_error (tree
);
772 extern bool strict_aliasing_warning (tree
, tree
, tree
);
773 extern void sizeof_pointer_memaccess_warning (location_t
*, tree
,
774 vec
<tree
, va_gc
> *, tree
*,
775 bool (*) (tree
, tree
));
776 extern void warnings_for_convert_and_check (location_t
, tree
, tree
, tree
);
777 extern tree
convert_and_check (location_t
, tree
, tree
);
778 extern void overflow_warning (location_t
, tree
);
779 extern bool warn_if_unused_value (const_tree
, location_t
);
780 extern void warn_logical_operator (location_t
, enum tree_code
, tree
,
781 enum tree_code
, tree
, enum tree_code
, tree
);
782 extern void warn_logical_not_parentheses (location_t
, enum tree_code
, tree
);
783 extern void check_main_parameter_types (tree decl
);
784 extern bool c_determine_visibility (tree
);
785 extern bool vector_types_compatible_elements_p (tree
, tree
);
786 extern void mark_valid_location_for_stdc_pragma (bool);
787 extern bool valid_location_for_stdc_pragma_p (void);
788 extern void set_float_const_decimal64 (void);
789 extern void clear_float_const_decimal64 (void);
790 extern bool float_const_decimal64_p (void);
792 extern bool keyword_begins_type_specifier (enum rid
);
793 extern bool keyword_is_storage_class_specifier (enum rid
);
794 extern bool keyword_is_type_qualifier (enum rid
);
795 extern bool keyword_is_decl_specifier (enum rid
);
796 extern bool cxx_fundamental_alignment_p (unsigned);
797 extern bool pointer_to_zero_sized_aggr_p (tree
);
799 #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1)
800 #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1)
802 /* Subroutine of build_binary_op, used for certain operations. */
803 extern tree
shorten_binary_op (tree result_type
, tree op0
, tree op1
, bool bitwise
);
805 /* Subroutine of build_binary_op, used for comparison operations.
806 See if the operands have both been converted from subword integer types
807 and, if so, perhaps change them both back to their original type. */
808 extern tree
shorten_compare (location_t
, tree
*, tree
*, tree
*,
811 extern tree
pointer_int_sum (location_t
, enum tree_code
, tree
, tree
,
814 /* Add qualifiers to a type, in the fashion for C. */
815 extern tree
c_build_qualified_type (tree
, int);
817 /* Build tree nodes and builtin functions common to both C and C++ language
819 extern void c_common_nodes_and_builtins (void);
821 extern void disable_builtin_function (const char *);
823 extern void set_compound_literal_name (tree decl
);
825 extern tree
build_va_arg (location_t
, tree
, tree
);
827 extern const unsigned int c_family_lang_mask
;
828 extern unsigned int c_common_option_lang_mask (void);
829 extern void c_common_initialize_diagnostics (diagnostic_context
*);
830 extern bool c_common_complain_wrong_lang_p (const struct cl_option
*);
831 extern void c_common_init_options_struct (struct gcc_options
*);
832 extern void c_common_init_options (unsigned int, struct cl_decoded_option
*);
833 extern bool c_common_post_options (const char **);
834 extern bool c_common_init (void);
835 extern void c_common_finish (void);
836 extern void c_common_parse_file (void);
837 extern FILE *get_dump_info (int, int *);
838 extern alias_set_type
c_common_get_alias_set (tree
);
839 extern void c_register_builtin_type (tree
, const char*);
840 extern bool c_promoting_integer_type_p (const_tree
);
841 extern int self_promoting_args_p (const_tree
);
842 extern tree
strip_pointer_operator (tree
);
843 extern tree
strip_pointer_or_array_types (tree
);
844 extern HOST_WIDE_INT
c_common_to_target_charset (HOST_WIDE_INT
);
846 /* This is the basic parsing function. */
847 extern void c_parse_file (void);
849 extern void warn_for_omitted_condop (location_t
, tree
);
851 /* These macros provide convenient access to the various _STMT nodes. */
853 /* Nonzero if a given STATEMENT_LIST represents the outermost binding
854 if a statement expression. */
855 #define STATEMENT_LIST_STMT_EXPR(NODE) \
856 TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE))
858 /* Nonzero if a label has been added to the statement list. */
859 #define STATEMENT_LIST_HAS_LABEL(NODE) \
860 TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE))
862 /* C_MAYBE_CONST_EXPR accessors. */
863 #define C_MAYBE_CONST_EXPR_PRE(NODE) \
864 TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0)
865 #define C_MAYBE_CONST_EXPR_EXPR(NODE) \
866 TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1)
867 #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \
868 TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE))
869 #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \
870 TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE))
871 #define EXPR_INT_CONST_OPERANDS(EXPR) \
872 (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \
873 && (TREE_CODE (EXPR) == INTEGER_CST \
874 || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \
875 && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR))))
877 /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */
878 #define DECL_C_BIT_FIELD(NODE) \
879 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1)
880 #define SET_DECL_C_BIT_FIELD(NODE) \
881 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1)
882 #define CLEAR_DECL_C_BIT_FIELD(NODE) \
883 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
885 extern tree
do_case (location_t
, tree
, tree
);
886 extern tree
build_stmt (location_t
, enum tree_code
, ...);
887 extern tree
build_real_imag_expr (location_t
, enum tree_code
, tree
);
889 /* These functions must be defined by each front-end which implements
890 a variant of the C language. They are used in c-common.c. */
892 extern tree
build_unary_op (location_t
, enum tree_code
, tree
, int);
893 extern tree
build_binary_op (location_t
, enum tree_code
, tree
, tree
, int);
894 extern tree
perform_integral_promotions (tree
);
896 /* These functions must be defined by each front-end which implements
897 a variant of the C language. They are used by port files. */
899 extern tree
default_conversion (tree
);
901 /* Given two integer or real types, return the type for their sum.
902 Given two compatible ANSI C types, returns the merged type. */
904 extern tree
common_type (tree
, tree
);
906 extern tree
decl_constant_value (tree
);
908 /* Handle increment and decrement of boolean types. */
909 extern tree
boolean_increment (enum tree_code
, tree
);
911 extern int case_compare (splay_tree_key
, splay_tree_key
);
913 extern tree
c_add_case_label (location_t
, splay_tree
, tree
, tree
, tree
, tree
);
915 extern void c_do_switch_warnings (splay_tree
, location_t
, tree
, tree
);
917 extern tree
build_function_call (location_t
, tree
, tree
);
919 extern tree
build_function_call_vec (location_t
, vec
<location_t
>, tree
,
920 vec
<tree
, va_gc
> *, vec
<tree
, va_gc
> *);
922 extern tree
resolve_overloaded_builtin (location_t
, tree
, vec
<tree
, va_gc
> *);
924 extern tree
finish_label_address_expr (tree
, location_t
);
926 /* Same function prototype, but the C and C++ front ends have
927 different implementations. Used in c-common.c. */
928 extern tree
lookup_label (tree
);
929 extern tree
lookup_name (tree
);
930 extern bool lvalue_p (const_tree
);
932 extern bool vector_targets_convertible_p (const_tree t1
, const_tree t2
);
933 extern bool vector_types_convertible_p (const_tree t1
, const_tree t2
, bool emit_lax_note
);
934 extern tree
c_build_vec_perm_expr (location_t
, tree
, tree
, tree
, bool = true);
936 extern void init_c_lex (void);
938 extern void c_cpp_builtins (cpp_reader
*);
939 extern void c_cpp_builtins_optimize_pragma (cpp_reader
*, tree
, tree
);
940 extern bool c_cpp_error (cpp_reader
*, int, int, location_t
, unsigned int,
941 const char *, va_list *)
942 ATTRIBUTE_GCC_DIAG(6,0);
944 extern bool parse_optimize_options (tree
, bool);
946 /* Positive if an implicit `extern "C"' scope has just been entered;
947 negative if such a scope has just been exited. */
948 extern GTY(()) int pending_lang_change
;
950 /* Information recorded about each file examined during compilation. */
954 int time
; /* Time spent in the file. */
956 /* Flags used only by C++.
957 INTERFACE_ONLY nonzero means that we are in an "interface" section
958 of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust
959 the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and
960 INTERFACE_ONLY is zero, it means that we are responsible for
961 exporting definitions that others might need. */
962 short interface_only
;
963 short interface_unknown
;
966 struct c_fileinfo
*get_fileinfo (const char *);
967 extern void dump_time_statistics (void);
969 extern bool c_dump_tree (void *, tree
);
971 extern void verify_sequence_points (tree
);
973 extern tree
fold_offsetof_1 (tree
);
974 extern tree
fold_offsetof (tree
);
976 /* Places where an lvalue, or modifiable lvalue, may be required.
977 Used to select diagnostic messages in lvalue_error and
987 extern void readonly_error (location_t
, tree
, enum lvalue_use
);
988 extern void lvalue_error (location_t
, enum lvalue_use
);
989 extern void invalid_indirection_error (location_t
, tree
, ref_operator
);
991 extern int complete_array_type (tree
*, tree
, bool);
993 extern tree
builtin_type_for_size (int, bool);
995 extern void c_common_mark_addressable_vec (tree
);
997 extern void warn_array_subscript_with_type_char (tree
);
998 extern void warn_about_parentheses (location_t
,
1000 enum tree_code
, tree
,
1001 enum tree_code
, tree
);
1002 extern void warn_for_unused_label (tree label
);
1003 extern void warn_for_div_by_zero (location_t
, tree divisor
);
1004 extern void warn_for_sign_compare (location_t
,
1005 tree orig_op0
, tree orig_op1
,
1008 enum tree_code resultcode
);
1009 extern void do_warn_double_promotion (tree
, tree
, tree
, const char *,
1011 extern void set_underlying_type (tree
);
1012 extern void record_types_used_by_current_var_decl (tree
);
1013 extern void record_locally_defined_typedef (tree
);
1014 extern void maybe_record_typedef_use (tree
);
1015 extern void maybe_warn_unused_local_typedefs (void);
1016 extern void maybe_warn_bool_compare (location_t
, enum tree_code
, tree
, tree
);
1017 extern vec
<tree
, va_gc
> *make_tree_vector (void);
1018 extern void release_tree_vector (vec
<tree
, va_gc
> *);
1019 extern vec
<tree
, va_gc
> *make_tree_vector_single (tree
);
1020 extern vec
<tree
, va_gc
> *make_tree_vector_from_list (tree
);
1021 extern vec
<tree
, va_gc
> *make_tree_vector_copy (const vec
<tree
, va_gc
> *);
1023 /* Used for communication between c_common_type_for_mode and
1024 c_register_builtin_type. */
1025 extern GTY(()) tree registered_builtin_types
;
1027 /* In c-gimplify.c */
1028 extern void c_genericize (tree
);
1029 extern int c_gimplify_expr (tree
*, gimple_seq
*, gimple_seq
*);
1030 extern tree
c_build_bind_expr (location_t
, tree
, tree
);
1033 extern void pch_init (void);
1034 extern void pch_cpp_save_state (void);
1035 extern int c_common_valid_pch (cpp_reader
*pfile
, const char *name
, int fd
);
1036 extern void c_common_read_pch (cpp_reader
*pfile
, const char *name
, int fd
,
1038 extern void c_common_write_pch (void);
1039 extern void c_common_no_more_pch (void);
1040 extern void c_common_pch_pragma (cpp_reader
*pfile
, const char *);
1042 /* In *-checksum.c */
1043 extern const unsigned char executable_checksum
[16];
1045 /* In c-cppbuiltin.c */
1046 extern void builtin_define_std (const char *macro
);
1047 extern void builtin_define_with_value (const char *, const char *, int);
1048 extern void c_stddef_cpp_builtins (void);
1049 extern void fe_file_change (const struct line_map
*);
1050 extern void c_parse_error (const char *, enum cpp_ttype
, tree
, unsigned char);
1052 /* In c-ppoutput.c */
1053 extern void init_pp_output (FILE *);
1054 extern void preprocess_file (cpp_reader
*);
1055 extern void pp_file_change (const struct line_map
*);
1056 extern void pp_dir_change (cpp_reader
*, const char *);
1057 extern bool check_missing_format_attribute (tree
, tree
);
1060 #if HOST_BITS_PER_WIDE_INT >= 64
1061 typedef unsigned HOST_WIDE_INT omp_clause_mask
;
1062 # define OMP_CLAUSE_MASK_1 ((omp_clause_mask) 1)
1064 struct omp_clause_mask
1066 inline omp_clause_mask ();
1067 inline omp_clause_mask (unsigned HOST_WIDE_INT l
);
1068 inline omp_clause_mask (unsigned HOST_WIDE_INT l
,
1069 unsigned HOST_WIDE_INT h
);
1070 inline omp_clause_mask
&operator &= (omp_clause_mask
);
1071 inline omp_clause_mask
&operator |= (omp_clause_mask
);
1072 inline omp_clause_mask
operator ~ () const;
1073 inline omp_clause_mask
operator & (omp_clause_mask
) const;
1074 inline omp_clause_mask
operator | (omp_clause_mask
) const;
1075 inline omp_clause_mask
operator >> (int);
1076 inline omp_clause_mask
operator << (int);
1077 inline bool operator == (omp_clause_mask
) const;
1078 inline bool operator != (omp_clause_mask
) const;
1079 unsigned HOST_WIDE_INT low
, high
;
1083 omp_clause_mask::omp_clause_mask ()
1088 omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l
)
1094 omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l
,
1095 unsigned HOST_WIDE_INT h
)
1100 inline omp_clause_mask
&
1101 omp_clause_mask::operator &= (omp_clause_mask b
)
1108 inline omp_clause_mask
&
1109 omp_clause_mask::operator |= (omp_clause_mask b
)
1116 inline omp_clause_mask
1117 omp_clause_mask::operator ~ () const
1119 omp_clause_mask
ret (~low
, ~high
);
1123 inline omp_clause_mask
1124 omp_clause_mask::operator | (omp_clause_mask b
) const
1126 omp_clause_mask
ret (low
| b
.low
, high
| b
.high
);
1130 inline omp_clause_mask
1131 omp_clause_mask::operator & (omp_clause_mask b
) const
1133 omp_clause_mask
ret (low
& b
.low
, high
& b
.high
);
1137 inline omp_clause_mask
1138 omp_clause_mask::operator << (int amount
)
1140 omp_clause_mask ret
;
1141 if (amount
>= HOST_BITS_PER_WIDE_INT
)
1144 ret
.high
= low
<< (amount
- HOST_BITS_PER_WIDE_INT
);
1146 else if (amount
== 0)
1150 ret
.low
= low
<< amount
;
1151 ret
.high
= (low
>> (HOST_BITS_PER_WIDE_INT
- amount
))
1157 inline omp_clause_mask
1158 omp_clause_mask::operator >> (int amount
)
1160 omp_clause_mask ret
;
1161 if (amount
>= HOST_BITS_PER_WIDE_INT
)
1163 ret
.low
= high
>> (amount
- HOST_BITS_PER_WIDE_INT
);
1166 else if (amount
== 0)
1170 ret
.low
= (high
<< (HOST_BITS_PER_WIDE_INT
- amount
))
1172 ret
.high
= high
>> amount
;
1178 omp_clause_mask::operator == (omp_clause_mask b
) const
1180 return low
== b
.low
&& high
== b
.high
;
1184 omp_clause_mask::operator != (omp_clause_mask b
) const
1186 return low
!= b
.low
|| high
!= b
.high
;
1189 # define OMP_CLAUSE_MASK_1 omp_clause_mask (1)
1192 enum c_omp_clause_split
1194 C_OMP_CLAUSE_SPLIT_TARGET
= 0,
1195 C_OMP_CLAUSE_SPLIT_TEAMS
,
1196 C_OMP_CLAUSE_SPLIT_DISTRIBUTE
,
1197 C_OMP_CLAUSE_SPLIT_PARALLEL
,
1198 C_OMP_CLAUSE_SPLIT_FOR
,
1199 C_OMP_CLAUSE_SPLIT_SIMD
,
1200 C_OMP_CLAUSE_SPLIT_COUNT
,
1201 C_OMP_CLAUSE_SPLIT_SECTIONS
= C_OMP_CLAUSE_SPLIT_FOR
1204 extern tree
c_finish_omp_master (location_t
, tree
);
1205 extern tree
c_finish_omp_taskgroup (location_t
, tree
);
1206 extern tree
c_finish_omp_critical (location_t
, tree
, tree
);
1207 extern tree
c_finish_omp_ordered (location_t
, tree
);
1208 extern void c_finish_omp_barrier (location_t
);
1209 extern tree
c_finish_omp_atomic (location_t
, enum tree_code
, enum tree_code
,
1210 tree
, tree
, tree
, tree
, tree
, bool, bool);
1211 extern void c_finish_omp_flush (location_t
);
1212 extern void c_finish_omp_taskwait (location_t
);
1213 extern void c_finish_omp_taskyield (location_t
);
1214 extern tree
c_finish_omp_for (location_t
, enum tree_code
, tree
, tree
, tree
,
1216 extern void c_omp_split_clauses (location_t
, enum tree_code
, omp_clause_mask
,
1218 extern tree
c_omp_declare_simd_clauses_to_numbers (tree
, tree
);
1219 extern void c_omp_declare_simd_clauses_to_decls (tree
, tree
);
1220 extern enum omp_clause_default_kind
c_omp_predetermined_sharing (tree
);
1222 /* Return next tree in the chain for chain_next walking of tree nodes. */
1224 c_tree_chain_next (tree t
)
1226 /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different
1227 kind of object, never a long chain of nodes. Prefer
1228 TYPE_NEXT_VARIANT for types. */
1229 if (CODE_CONTAINS_STRUCT (TREE_CODE (t
), TS_TYPE_COMMON
))
1230 return TYPE_NEXT_VARIANT (t
);
1231 /* Otherwise, if there is TREE_CHAIN, return it. */
1232 if (CODE_CONTAINS_STRUCT (TREE_CODE (t
), TS_COMMON
))
1233 return TREE_CHAIN (t
);
1237 /* Mask used by tm_stmt_attr. */
1238 #define TM_STMT_ATTR_OUTER 2
1239 #define TM_STMT_ATTR_ATOMIC 4
1240 #define TM_STMT_ATTR_RELAXED 8
1242 extern int parse_tm_stmt_attr (tree
, int);
1244 /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these
1245 are ordered specifically such that more restrictive attributes are
1246 at lower bit positions. This fact is known by the C++ tm attribute
1247 inheritance code such that least bit extraction (mask & -mask) results
1248 in the most restrictive attribute. */
1249 #define TM_ATTR_SAFE 1
1250 #define TM_ATTR_CALLABLE 2
1251 #define TM_ATTR_PURE 4
1252 #define TM_ATTR_IRREVOCABLE 8
1253 #define TM_ATTR_MAY_CANCEL_OUTER 16
1255 extern int tm_attr_to_mask (tree
);
1256 extern tree
tm_mask_to_attr (int);
1257 extern tree
find_tm_attribute (tree
);
1259 /* A suffix-identifier value doublet that represents user-defined literals
1261 enum overflow_type
{
1267 struct GTY(()) tree_userdef_literal
{
1268 struct tree_base base
;
1272 enum overflow_type overflow
;
1275 #define USERDEF_LITERAL_SUFFIX_ID(NODE) \
1276 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id)
1278 #define USERDEF_LITERAL_VALUE(NODE) \
1279 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value)
1281 #define USERDEF_LITERAL_OVERFLOW(NODE) \
1282 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow)
1284 #define USERDEF_LITERAL_NUM_STRING(NODE) \
1285 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string)
1287 #define USERDEF_LITERAL_TYPE(NODE) \
1288 (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE)))
1290 extern tree
build_userdef_literal (tree suffix_id
, tree value
,
1291 enum overflow_type overflow
,
1294 extern void convert_vector_to_pointer_for_subscript (location_t
, tree
*, tree
);
1296 /* Possibe cases of scalar_to_vector conversion. */
1298 stv_error
, /* Error occurred. */
1299 stv_nothing
, /* Nothing happened. */
1300 stv_firstarg
, /* First argument must be expanded. */
1301 stv_secondarg
/* Second argument must be expanded. */
1304 extern enum stv_conv
scalar_to_vector (location_t loc
, enum tree_code code
,
1305 tree op0
, tree op1
, bool);
1307 /* In c-cilkplus.c */
1308 extern tree
c_finish_cilk_clauses (tree
);
1309 extern tree
c_validate_cilk_plus_loop (tree
*, int *, void *);
1310 extern bool c_check_cilk_loop (location_t
, tree
);
1312 /* These #defines allow users to access different operands of the
1313 array notation tree. */
1315 #define ARRAY_NOTATION_CHECK(NODE) TREE_CHECK (NODE, ARRAY_NOTATION_REF)
1316 #define ARRAY_NOTATION_ARRAY(NODE) \
1317 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 0)
1318 #define ARRAY_NOTATION_START(NODE) \
1319 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 1)
1320 #define ARRAY_NOTATION_LENGTH(NODE) \
1321 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 2)
1322 #define ARRAY_NOTATION_STRIDE(NODE) \
1323 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 3)
1325 /* This structure holds all the scalar values and its appropriate variable
1326 replacment. It is mainly used by the function that pulls all the invariant
1327 parts that should be executed only once, which comes with array notation
1331 vec
<tree
, va_gc
> *list_values
;
1332 vec
<tree
, va_gc
> *replacement
;
1333 vec
<enum tree_code
, va_gc
> *additional_tcodes
;
1336 /* This structure holds all the important components that can be extracted
1337 from an ARRAY_NOTATION_REF expression. It is used to pass array notation
1338 information between the functions that are responsible for expansion. */
1339 typedef struct cilkplus_an_parts
1348 /* This structure holds the components necessary to create the loop around
1349 the ARRAY_REF that is created using the ARRAY_NOTATION information. */
1351 typedef struct cilkplus_an_loop_parts
1353 tree var
; /* Loop induction variable. */
1354 tree incr
; /* Loop increment/decrement expression. */
1355 tree cmp
; /* Loop condition. */
1356 tree ind_init
; /* Initialization of the loop induction variable. */
1359 /* In array-notation-common.c. */
1360 extern HOST_WIDE_INT
extract_sec_implicit_index_arg (location_t
, tree
);
1361 extern bool is_sec_implicit_index_fn (tree
);
1362 extern void array_notation_init_builtins (void);
1363 extern struct c_expr
fix_array_notation_expr (location_t
, enum tree_code
,
1365 extern bool contains_array_notation_expr (tree
);
1366 extern tree
expand_array_notation_exprs (tree
);
1367 extern tree
fix_conditional_array_notations (tree
);
1368 extern tree
find_correct_array_notation_type (tree
);
1369 extern bool length_mismatch_in_expr_p (location_t
, vec
<vec
<an_parts
> >);
1370 extern enum built_in_function
is_cilkplus_reduce_builtin (tree
);
1371 extern bool find_rank (location_t
, tree
, tree
, bool, size_t *);
1372 extern void extract_array_notation_exprs (tree
, bool, vec
<tree
, va_gc
> **);
1373 extern void replace_array_notations (tree
*, bool, vec
<tree
, va_gc
> *,
1374 vec
<tree
, va_gc
> *);
1375 extern tree
find_inv_trees (tree
*, int *, void *);
1376 extern tree
replace_inv_trees (tree
*, int *, void *);
1377 extern tree
find_correct_array_notation_type (tree op
);
1378 extern void cilkplus_extract_an_triplets (vec
<tree
, va_gc
> *, size_t, size_t,
1379 vec
<vec
<an_parts
> > *);
1380 extern vec
<tree
, va_gc
> *fix_sec_implicit_args
1381 (location_t
, vec
<tree
, va_gc
> *, vec
<an_loop_parts
>, size_t, tree
);
1384 extern tree
insert_cilk_frame (tree
);
1385 extern void cilk_init_builtins (void);
1386 extern int gimplify_cilk_spawn (tree
*);
1387 extern void cilk_install_body_with_frame_cleanup (tree
, tree
, void *);
1388 extern bool cilk_detect_spawn_and_unwrap (tree
*);
1389 extern bool cilk_set_spawn_marker (location_t
, tree
);
1390 extern tree
build_cilk_sync (void);
1391 extern tree
build_cilk_spawn (location_t
, tree
);
1392 extern tree
make_cilk_frame (tree
);
1393 extern tree
create_cilk_function_exit (tree
, bool, bool);
1394 extern tree
cilk_install_body_pedigree_operations (tree
);
1395 extern void cilk_outline (tree
, tree
*, void *);
1396 extern bool contains_cilk_spawn_stmt (tree
);
1397 extern tree
cilk_for_number_of_iterations (tree
);
1398 #endif /* ! GCC_C_COMMON_H */