1 | /* Definitions for c-common.c. |
2 | Copyright (C) 1987-2017 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GCC. |
5 | |
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 |
9 | version. |
10 | |
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 |
14 | for more details. |
15 | |
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/>. */ |
19 | |
20 | #ifndef GCC_C_COMMON_H |
21 | #define GCC_C_COMMON_H |
22 | |
23 | #include "splay-tree.h" |
24 | #include "cpplib.h" |
25 | #include "alias.h" |
26 | #include "tree.h" |
27 | #include "fold-const.h" |
28 | |
29 | /* In order for the format checking to accept the C frontend |
30 | diagnostic framework extensions, you must include this file before |
31 | diagnostic-core.h, not after. The C front end formats are a subset of those |
32 | for C++, so they are the appropriate set to use in common code; |
33 | cp-tree.h overrides this for C++. */ |
34 | #if defined(GCC_DIAGNOSTIC_CORE_H) |
35 | #error \ |
36 | In order for the format checking to accept the C front end diagnostic \ |
37 | framework extensions, you must include this file before diagnostic-core.h \ |
38 | never after. |
39 | #endif |
40 | #ifndef GCC_DIAG_STYLE |
41 | #define GCC_DIAG_STYLE __gcc_cdiag__ |
42 | #endif |
43 | #include "diagnostic-core.h" |
44 | |
45 | /* Usage of TREE_LANG_FLAG_?: |
46 | 0: IDENTIFIER_MARKED (used by search routines). |
47 | C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
48 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
49 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
50 | C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) |
51 | 2: unused |
52 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
53 | 4: unused |
54 | */ |
55 | |
56 | /* Reserved identifiers. This is the union of all the keywords for C, |
57 | C++, and Objective-C. All the type modifiers have to be in one |
58 | block at the beginning, because they are used as mask bits. There |
59 | are 28 type modifiers; if we add many more we will have to redesign |
60 | the mask mechanism. */ |
61 | |
62 | enum rid |
63 | { |
64 | /* Modifiers: */ |
65 | /* C, in empirical order of frequency. */ |
66 | RID_STATIC = 0, |
67 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, |
68 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, |
69 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, |
70 | RID_NORETURN, RID_ATOMIC, |
71 | |
72 | /* C extensions */ |
73 | RID_COMPLEX, RID_THREAD, RID_SAT, |
74 | |
75 | /* C++ */ |
76 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, |
77 | |
78 | /* ObjC ("PQ" reserved words - they do not appear after a '@' and |
79 | are keywords only in specific contexts) */ |
80 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
81 | |
82 | /* ObjC ("PATTR" reserved words - they do not appear after a '@' |
83 | and are keywords only as property attributes) */ |
84 | RID_GETTER, RID_SETTER, |
85 | RID_READONLY, RID_READWRITE, |
86 | RID_ASSIGN, RID_RETAIN, RID_COPY, |
87 | RID_NONATOMIC, |
88 | |
89 | /* C (reserved and imaginary types not implemented, so any use is a |
90 | syntax error) */ |
91 | RID_IMAGINARY, |
92 | |
93 | /* C */ |
94 | 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, |
98 | RID_SIZEOF, |
99 | |
100 | /* C extensions */ |
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_BUILTIN_TGMATH, |
105 | RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
106 | |
107 | /* TS 18661-3 keywords, in the same sequence as the TI_* values. */ |
108 | RID_FLOAT16, |
109 | RID_FLOATN_NX_FIRST = RID_FLOAT16, |
110 | RID_FLOAT32, |
111 | RID_FLOAT64, |
112 | RID_FLOAT128, |
113 | RID_FLOAT32X, |
114 | RID_FLOAT64X, |
115 | RID_FLOAT128X, |
116 | #define CASE_RID_FLOATN_NX \ |
117 | case RID_FLOAT16: case RID_FLOAT32: case RID_FLOAT64: case RID_FLOAT128: \ |
118 | case RID_FLOAT32X: case RID_FLOAT64X: case RID_FLOAT128X |
119 | |
120 | RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, |
121 | |
122 | /* "__GIMPLE", for the GIMPLE-parsing extension to the C frontend. */ |
123 | RID_GIMPLE, |
124 | |
125 | /* "__PHI", for parsing PHI function in GIMPLE FE. */ |
126 | RID_PHI, |
127 | |
128 | /* "__RTL", for the RTL-parsing extension to the C frontend. */ |
129 | RID_RTL, |
130 | |
131 | /* C11 */ |
132 | RID_ALIGNAS, RID_GENERIC, |
133 | |
134 | /* This means to warn that this is a C++ keyword, and then treat it |
135 | as a normal identifier. */ |
136 | RID_CXX_COMPAT_WARN, |
137 | |
138 | /* GNU transactional memory extension */ |
139 | RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, |
140 | |
141 | /* Too many ways of getting the name of a function as a string */ |
142 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, |
143 | |
144 | /* C++ (some of these are keywords in Objective-C as well, but only |
145 | if they appear after a '@') */ |
146 | RID_BOOL, RID_WCHAR, RID_CLASS, |
147 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, |
148 | RID_TEMPLATE, RID_NULL, RID_CATCH, |
149 | RID_DELETE, RID_FALSE, RID_NAMESPACE, |
150 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
151 | RID_THIS, RID_THROW, RID_TRUE, |
152 | RID_TRY, RID_TYPENAME, RID_TYPEID, |
153 | RID_USING, RID_CHAR16, RID_CHAR32, |
154 | |
155 | /* casts */ |
156 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, |
157 | |
158 | /* C++ extensions */ |
159 | RID_ADDRESSOF, RID_BASES, |
160 | RID_BUILTIN_LAUNDER, RID_DIRECT_BASES, |
161 | RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
162 | RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, |
163 | RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, |
164 | RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_UNIQUE_OBJ_REPRESENTATIONS, |
165 | RID_HAS_VIRTUAL_DESTRUCTOR, |
166 | RID_IS_ABSTRACT, RID_IS_AGGREGATE, |
167 | RID_IS_BASE_OF, RID_IS_CLASS, |
168 | RID_IS_EMPTY, RID_IS_ENUM, |
169 | RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
170 | RID_IS_POD, RID_IS_POLYMORPHIC, |
171 | RID_IS_SAME_AS, |
172 | RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, |
173 | RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
174 | RID_IS_TRIVIALLY_COPYABLE, |
175 | RID_IS_UNION, RID_UNDERLYING_TYPE, |
176 | RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE, |
177 | |
178 | /* C++11 */ |
179 | RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
180 | |
181 | /* C++ concepts */ |
182 | RID_CONCEPT, RID_REQUIRES, |
183 | |
184 | /* C++ transactional memory. */ |
185 | RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED, |
186 | |
187 | /* Objective-C ("AT" reserved words - they are only keywords when |
188 | they follow '@') */ |
189 | RID_AT_ENCODE, RID_AT_END, |
190 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
191 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, |
192 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
193 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
194 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, |
195 | RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, |
196 | RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, |
197 | RID_AT_INTERFACE, |
198 | RID_AT_IMPLEMENTATION, |
199 | |
200 | /* Named address support, mapping the keyword to a particular named address |
201 | number. Named address space 0 is reserved for the generic address. If |
202 | there are more than 254 named addresses, the addr_space_t type will need |
203 | to be grown from an unsigned char to unsigned short. */ |
204 | RID_ADDR_SPACE_0, /* generic address */ |
205 | RID_ADDR_SPACE_1, |
206 | RID_ADDR_SPACE_2, |
207 | RID_ADDR_SPACE_3, |
208 | RID_ADDR_SPACE_4, |
209 | RID_ADDR_SPACE_5, |
210 | RID_ADDR_SPACE_6, |
211 | RID_ADDR_SPACE_7, |
212 | RID_ADDR_SPACE_8, |
213 | RID_ADDR_SPACE_9, |
214 | RID_ADDR_SPACE_10, |
215 | RID_ADDR_SPACE_11, |
216 | RID_ADDR_SPACE_12, |
217 | RID_ADDR_SPACE_13, |
218 | RID_ADDR_SPACE_14, |
219 | RID_ADDR_SPACE_15, |
220 | |
221 | RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, |
222 | RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, |
223 | |
224 | /* __intN keywords. The _N_M here doesn't correspond to the intN |
225 | in the keyword; use the bitsize in int_n_t_data_t[M] for that. |
226 | For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 |
227 | is for __int13. */ |
228 | |
229 | /* Note that the range to use is RID_FIRST_INT_N through |
230 | RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of |
231 | all RID_INT_N_* in a case statement. */ |
232 | |
233 | RID_INT_N_0, |
234 | RID_INT_N_1, |
235 | RID_INT_N_2, |
236 | RID_INT_N_3, |
237 | |
238 | RID_FIRST_INT_N = RID_INT_N_0, |
239 | RID_LAST_INT_N = RID_INT_N_3, |
240 | |
241 | RID_MAX, |
242 | |
243 | RID_FIRST_MODIFIER = RID_STATIC, |
244 | RID_LAST_MODIFIER = RID_ONEWAY, |
245 | |
246 | RID_FIRST_CXX11 = RID_CONSTEXPR, |
247 | RID_LAST_CXX11 = RID_STATIC_ASSERT, |
248 | RID_FIRST_AT = RID_AT_ENCODE, |
249 | RID_LAST_AT = RID_AT_IMPLEMENTATION, |
250 | RID_FIRST_PQ = RID_IN, |
251 | RID_LAST_PQ = RID_ONEWAY, |
252 | RID_FIRST_PATTR = RID_GETTER, |
253 | RID_LAST_PATTR = RID_NONATOMIC |
254 | }; |
255 | |
256 | #define OBJC_IS_AT_KEYWORD(rid) \ |
257 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
258 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) |
259 | |
260 | #define OBJC_IS_PQ_KEYWORD(rid) \ |
261 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
262 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) |
263 | |
264 | #define OBJC_IS_PATTR_KEYWORD(rid) \ |
265 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ |
266 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) |
267 | |
268 | /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as |
269 | 'class') which are shared in a subtle way between Objective-C and |
270 | C++. When the lexer is lexing in Objective-C/Objective-C++, if it |
271 | finds '@' followed by one of these identifiers (eg, '@class'), it |
272 | recognizes the whole as an Objective-C keyword. If the identifier |
273 | is found elsewhere, it follows the rules of the C/C++ language. |
274 | */ |
275 | #define OBJC_IS_CXX_KEYWORD(rid) \ |
276 | (rid == RID_CLASS || rid == RID_SYNCHRONIZED \ |
277 | || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ |
278 | || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) |
279 | |
280 | /* The elements of `ridpointers' are identifier nodes for the reserved |
281 | type names and storage classes. It is indexed by a RID_... value. */ |
282 | extern GTY ((length ("(int) RID_MAX" ))) tree *ridpointers; |
283 | |
284 | /* Standard named or nameless data types of the C compiler. */ |
285 | |
286 | enum c_tree_index |
287 | { |
288 | CTI_CHAR16_TYPE, |
289 | CTI_CHAR32_TYPE, |
290 | CTI_WCHAR_TYPE, |
291 | CTI_UNDERLYING_WCHAR_TYPE, |
292 | CTI_WINT_TYPE, |
293 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
294 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ |
295 | CTI_INTMAX_TYPE, |
296 | CTI_UINTMAX_TYPE, |
297 | CTI_WIDEST_INT_LIT_TYPE, |
298 | CTI_WIDEST_UINT_LIT_TYPE, |
299 | |
300 | /* Types for <stdint.h>, that may not be defined on all |
301 | targets. */ |
302 | CTI_SIG_ATOMIC_TYPE, |
303 | CTI_INT8_TYPE, |
304 | CTI_INT16_TYPE, |
305 | CTI_INT32_TYPE, |
306 | CTI_INT64_TYPE, |
307 | CTI_UINT8_TYPE, |
308 | CTI_UINT16_TYPE, |
309 | CTI_UINT32_TYPE, |
310 | CTI_UINT64_TYPE, |
311 | CTI_INT_LEAST8_TYPE, |
312 | CTI_INT_LEAST16_TYPE, |
313 | CTI_INT_LEAST32_TYPE, |
314 | CTI_INT_LEAST64_TYPE, |
315 | CTI_UINT_LEAST8_TYPE, |
316 | CTI_UINT_LEAST16_TYPE, |
317 | CTI_UINT_LEAST32_TYPE, |
318 | CTI_UINT_LEAST64_TYPE, |
319 | CTI_INT_FAST8_TYPE, |
320 | CTI_INT_FAST16_TYPE, |
321 | CTI_INT_FAST32_TYPE, |
322 | CTI_INT_FAST64_TYPE, |
323 | CTI_UINT_FAST8_TYPE, |
324 | CTI_UINT_FAST16_TYPE, |
325 | CTI_UINT_FAST32_TYPE, |
326 | CTI_UINT_FAST64_TYPE, |
327 | CTI_INTPTR_TYPE, |
328 | CTI_UINTPTR_TYPE, |
329 | |
330 | CTI_CHAR_ARRAY_TYPE, |
331 | CTI_CHAR16_ARRAY_TYPE, |
332 | CTI_CHAR32_ARRAY_TYPE, |
333 | CTI_WCHAR_ARRAY_TYPE, |
334 | CTI_STRING_TYPE, |
335 | CTI_CONST_STRING_TYPE, |
336 | |
337 | /* Type for boolean expressions (bool in C++, int in C). */ |
338 | CTI_TRUTHVALUE_TYPE, |
339 | CTI_TRUTHVALUE_TRUE, |
340 | CTI_TRUTHVALUE_FALSE, |
341 | |
342 | CTI_DEFAULT_FUNCTION_TYPE, |
343 | |
344 | /* These are not types, but we have to look them up all the time. */ |
345 | CTI_FUNCTION_NAME_DECL, |
346 | CTI_PRETTY_FUNCTION_NAME_DECL, |
347 | CTI_C99_FUNCTION_NAME_DECL, |
348 | CTI_SAVED_FUNCTION_NAME_DECLS, |
349 | |
350 | CTI_NULL, |
351 | |
352 | CTI_MAX |
353 | }; |
354 | |
355 | #define C_CPP_HASHNODE(id) \ |
356 | (&(((struct c_common_identifier *) (id))->node)) |
357 | #define C_RID_CODE(id) \ |
358 | ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) |
359 | #define C_SET_RID_CODE(id, code) \ |
360 | (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) |
361 | |
362 | /* Identifier part common to the C front ends. Inherits from |
363 | tree_identifier, despite appearances. */ |
364 | struct GTY(()) c_common_identifier { |
365 | struct tree_common common; |
366 | struct cpp_hashnode node; |
367 | }; |
368 | |
369 | /* An entry in the reserved keyword table. */ |
370 | |
371 | struct c_common_resword |
372 | { |
373 | const char *const word; |
374 | ENUM_BITFIELD(rid) const rid : 16; |
375 | const unsigned int disable : 16; |
376 | }; |
377 | |
378 | /* Mode used to build pointers (VOIDmode means ptr_mode). */ |
379 | |
380 | extern machine_mode c_default_pointer_mode; |
381 | |
382 | /* Extra cpp_ttype values for C++. */ |
383 | |
384 | /* A token type for template-ids. If a template-id is processed while |
385 | parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; |
386 | the value of the CPP_TEMPLATE_ID is whatever was returned by |
387 | cp_parser_template_id. */ |
388 | #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) |
389 | |
390 | /* A token type for nested-name-specifiers. If a |
391 | nested-name-specifier is processed while parsing tentatively, it is |
392 | replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the |
393 | CPP_NESTED_NAME_SPECIFIER is whatever was returned by |
394 | cp_parser_nested_name_specifier_opt. */ |
395 | #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) |
396 | |
397 | /* A token type for pre-parsed C++0x decltype. */ |
398 | #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) |
399 | |
400 | /* A token type for pre-parsed primary-expression (lambda- or statement-). */ |
401 | #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) |
402 | |
403 | /* The number of token types, including C++-specific ones. */ |
404 | #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) |
405 | |
406 | /* Disable mask. Keywords are disabled if (reswords[i].disable & |
407 | mask) is _true_. Thus for keywords which are present in all |
408 | languages the disable field is zero. */ |
409 | |
410 | #define D_CONLY 0x001 /* C only (not in C++). */ |
411 | #define D_CXXONLY 0x002 /* C++ only (not in C). */ |
412 | #define D_C99 0x004 /* In C, C99 only. */ |
413 | #define D_CXX11 0x008 /* In C++, C++11 only. */ |
414 | #define D_EXT 0x010 /* GCC extension. */ |
415 | #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ |
416 | #define D_ASM 0x040 /* Disabled by -fno-asm. */ |
417 | #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ |
418 | #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ |
419 | #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ |
420 | #define D_CXX_CONCEPTS 0x400 /* In C++, only with concepts. */ |
421 | #define D_TRANSMEM 0X800 /* C++ transactional memory TS. */ |
422 | |
423 | #define D_CXX_CONCEPTS_FLAGS D_CXXONLY | D_CXX_CONCEPTS |
424 | |
425 | /* The reserved keyword table. */ |
426 | extern const struct c_common_resword c_common_reswords[]; |
427 | |
428 | /* The number of items in the reserved keyword table. */ |
429 | extern const unsigned int num_c_common_reswords; |
430 | |
431 | #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
432 | #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] |
433 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
434 | #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] |
435 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
436 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
437 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] |
438 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
439 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] |
440 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
441 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] |
442 | |
443 | #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] |
444 | #define int8_type_node c_global_trees[CTI_INT8_TYPE] |
445 | #define int16_type_node c_global_trees[CTI_INT16_TYPE] |
446 | #define int32_type_node c_global_trees[CTI_INT32_TYPE] |
447 | #define int64_type_node c_global_trees[CTI_INT64_TYPE] |
448 | #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] |
449 | #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
450 | #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
451 | #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] |
452 | #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] |
453 | #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] |
454 | #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] |
455 | #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] |
456 | #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] |
457 | #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] |
458 | #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] |
459 | #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] |
460 | #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] |
461 | #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] |
462 | #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] |
463 | #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] |
464 | #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] |
465 | #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] |
466 | #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] |
467 | #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] |
468 | #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] |
469 | #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] |
470 | |
471 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
472 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] |
473 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] |
474 | |
475 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
476 | #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
477 | #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] |
478 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
479 | #define string_type_node c_global_trees[CTI_STRING_TYPE] |
480 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] |
481 | |
482 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] |
483 | |
484 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
485 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] |
486 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] |
487 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] |
488 | |
489 | /* The node for C++ `__null'. */ |
490 | #define null_node c_global_trees[CTI_NULL] |
491 | |
492 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
493 | |
494 | /* Mark which labels are explicitly declared. |
495 | These may be shadowed, and may be referenced from nested functions. */ |
496 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) |
497 | |
498 | enum c_language_kind |
499 | { |
500 | clk_c = 0, /* C90, C94, C99 or C11 */ |
501 | clk_objc = 1, /* clk_c with ObjC features. */ |
502 | clk_cxx = 2, /* ANSI/ISO C++ */ |
503 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ |
504 | }; |
505 | |
506 | /* To test for a specific language use c_language, defined by each |
507 | front end. For "ObjC features" or "not C++" use the macros. */ |
508 | extern c_language_kind c_language; |
509 | |
510 | #define c_dialect_cxx() ((c_language & clk_cxx) != 0) |
511 | #define c_dialect_objc() ((c_language & clk_objc) != 0) |
512 | |
513 | /* The various name of operator that appears in error messages. */ |
514 | enum ref_operator { |
515 | /* NULL */ |
516 | RO_NULL, |
517 | /* array indexing */ |
518 | RO_ARRAY_INDEXING, |
519 | /* unary * */ |
520 | RO_UNARY_STAR, |
521 | /* -> */ |
522 | RO_ARROW, |
523 | /* implicit conversion */ |
524 | RO_IMPLICIT_CONVERSION, |
525 | /* ->* */ |
526 | RO_ARROW_STAR |
527 | }; |
528 | |
529 | /* Information about a statement tree. */ |
530 | |
531 | struct GTY(()) stmt_tree_s { |
532 | /* A stack of statement lists being collected. */ |
533 | vec<tree, va_gc> *x_cur_stmt_list; |
534 | |
535 | /* In C++, Nonzero if we should treat statements as full |
536 | expressions. In particular, this variable is non-zero if at the |
537 | end of a statement we should destroy any temporaries created |
538 | during that statement. Similarly, if, at the end of a block, we |
539 | should destroy any local variables in this block. Normally, this |
540 | variable is nonzero, since those are the normal semantics of |
541 | C++. |
542 | |
543 | This flag has no effect in C. */ |
544 | int stmts_are_full_exprs_p; |
545 | }; |
546 | |
547 | typedef struct stmt_tree_s *stmt_tree; |
548 | |
549 | /* Global state pertinent to the current function. Some C dialects |
550 | extend this structure with additional fields. */ |
551 | |
552 | struct GTY(()) c_language_function { |
553 | /* While we are parsing the function, this contains information |
554 | about the statement-tree that we are building. */ |
555 | struct stmt_tree_s x_stmt_tree; |
556 | |
557 | /* Vector of locally defined typedefs, for |
558 | -Wunused-local-typedefs. */ |
559 | vec<tree, va_gc> *local_typedefs; |
560 | }; |
561 | |
562 | #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
563 | |
564 | /* When building a statement-tree, this is the current statement list |
565 | being collected. */ |
566 | #define cur_stmt_list (stmt_list_stack->last ()) |
567 | |
568 | #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
569 | |
570 | /* Language-specific hooks. */ |
571 | |
572 | /* If non-NULL, this function is called after a precompile header file |
573 | is loaded. */ |
574 | extern void (*lang_post_pch_load) (void); |
575 | |
576 | extern void push_file_scope (void); |
577 | extern void pop_file_scope (void); |
578 | extern stmt_tree current_stmt_tree (void); |
579 | extern tree push_stmt_list (void); |
580 | extern tree pop_stmt_list (tree); |
581 | extern tree add_stmt (tree); |
582 | extern void push_cleanup (tree, tree, bool); |
583 | |
584 | extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
585 | location_t, tree, tree); |
586 | extern tree build_indirect_ref (location_t, tree, ref_operator); |
587 | |
588 | extern bool has_c_linkage (const_tree decl); |
589 | extern bool c_decl_implicit (const_tree); |
590 | |
591 | /* Switches common to the C front ends. */ |
592 | |
593 | /* Nonzero means don't output line number information. */ |
594 | |
595 | extern char flag_no_line_commands; |
596 | |
597 | /* Nonzero causes -E output not to be done, but directives such as |
598 | #define that have side effects are still obeyed. */ |
599 | |
600 | extern char flag_no_output; |
601 | |
602 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M', |
603 | 'N' or 'U' of the command line switch. */ |
604 | |
605 | extern char flag_dump_macros; |
606 | |
607 | /* Nonzero means pass #include lines through to the output. */ |
608 | |
609 | extern char flag_dump_includes; |
610 | |
611 | /* Nonzero means process PCH files while preprocessing. */ |
612 | |
613 | extern bool flag_pch_preprocess; |
614 | |
615 | /* The file name to which we should write a precompiled header, or |
616 | NULL if no header will be written in this compile. */ |
617 | |
618 | extern const char *pch_file; |
619 | |
620 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
621 | user's namespace. */ |
622 | |
623 | extern int flag_iso; |
624 | |
625 | /* C/ObjC language option variables. */ |
626 | |
627 | |
628 | /* Nonzero means allow type mismatches in conditional expressions; |
629 | just make their values `void'. */ |
630 | |
631 | extern int flag_cond_mismatch; |
632 | |
633 | /* Nonzero means enable C89 Amendment 1 features. */ |
634 | |
635 | extern int flag_isoc94; |
636 | |
637 | /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
638 | |
639 | extern int flag_isoc99; |
640 | |
641 | /* Nonzero means use the ISO C11 dialect of C. */ |
642 | |
643 | extern int flag_isoc11; |
644 | |
645 | /* Nonzero means that we have builtin functions, and main is an int. */ |
646 | |
647 | extern int flag_hosted; |
648 | |
649 | /* ObjC language option variables. */ |
650 | |
651 | |
652 | /* Tells the compiler that this is a special run. Do not perform any |
653 | compiling, instead we are to test some platform dependent features |
654 | and output a C header file with appropriate definitions. */ |
655 | |
656 | extern int print_struct_values; |
657 | |
658 | /* Tells the compiler what is the constant string class for ObjC. */ |
659 | |
660 | extern const char *constant_string_class_name; |
661 | |
662 | |
663 | /* C++ language option variables. */ |
664 | |
665 | /* The reference version of the ABI for -Wabi. */ |
666 | |
667 | extern int warn_abi_version; |
668 | |
669 | /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is |
670 | less than N and the other is at least N. */ |
671 | #define abi_compat_version_crosses(N) \ |
672 | (abi_version_at_least(N) \ |
673 | != (flag_abi_compat_version == 0 \ |
674 | || flag_abi_compat_version >= (N))) |
675 | |
676 | /* Return TRUE if one of {flag_abi_version,warn_abi_version} is |
677 | less than N and the other is at least N, for use by -Wabi. */ |
678 | #define abi_version_crosses(N) \ |
679 | (abi_version_at_least(N) \ |
680 | != (warn_abi_version == 0 \ |
681 | || warn_abi_version >= (N))) |
682 | |
683 | /* Nonzero means generate separate instantiation control files and |
684 | juggle them at link time. */ |
685 | |
686 | extern int flag_use_repository; |
687 | |
688 | /* The supported C++ dialects. */ |
689 | |
690 | enum cxx_dialect { |
691 | cxx_unset, |
692 | /* C++98 with TC1 */ |
693 | cxx98, |
694 | cxx03 = cxx98, |
695 | /* C++11 */ |
696 | cxx0x, |
697 | cxx11 = cxx0x, |
698 | /* C++14 */ |
699 | cxx14, |
700 | /* C++17 */ |
701 | cxx17, |
702 | /* C++2a (C++20?) */ |
703 | cxx2a |
704 | }; |
705 | |
706 | /* The C++ dialect being used. C++98 is the default. */ |
707 | extern enum cxx_dialect cxx_dialect; |
708 | |
709 | /* Maximum template instantiation depth. This limit is rather |
710 | arbitrary, but it exists to limit the time it takes to notice |
711 | excessively recursive template instantiations. */ |
712 | |
713 | extern int max_tinst_depth; |
714 | |
715 | /* Nonzero means that we should not issue warnings about problems that |
716 | occur when the code is executed, because the code being processed |
717 | is not expected to be executed. This is set during parsing. This |
718 | is used for cases like sizeof() and "0 ? a : b". This is a count, |
719 | not a bool, because unexecuted expressions can nest. */ |
720 | |
721 | extern int c_inhibit_evaluation_warnings; |
722 | |
723 | /* Whether lexing has been completed, so subsequent preprocessor |
724 | errors should use the compiler's input_location. */ |
725 | |
726 | extern bool done_lexing; |
727 | |
728 | /* C types are partitioned into three subsets: object, function, and |
729 | incomplete types. */ |
730 | #define C_TYPE_OBJECT_P(type) \ |
731 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) |
732 | |
733 | #define C_TYPE_INCOMPLETE_P(type) \ |
734 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) |
735 | |
736 | #define C_TYPE_FUNCTION_P(type) \ |
737 | (TREE_CODE (type) == FUNCTION_TYPE) |
738 | |
739 | /* For convenience we define a single macro to identify the class of |
740 | object or incomplete types. */ |
741 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ |
742 | (!C_TYPE_FUNCTION_P (type)) |
743 | |
744 | struct visibility_flags |
745 | { |
746 | unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ |
747 | unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ |
748 | }; |
749 | |
750 | /* These enumerators are possible types of unsafe conversions. */ |
751 | enum conversion_safety { |
752 | /* The conversion is safe. */ |
753 | SAFE_CONVERSION = 0, |
754 | /* Another type of conversion with problems. */ |
755 | UNSAFE_OTHER, |
756 | /* Conversion between signed and unsigned integers |
757 | which are all warned about immediately, so this is unused. */ |
758 | UNSAFE_SIGN, |
759 | /* Conversions that reduce the precision of reals including conversions |
760 | from reals to integers. */ |
761 | UNSAFE_REAL, |
762 | /* Conversions from complex to reals or integers, that discard imaginary |
763 | component. */ |
764 | UNSAFE_IMAGINARY |
765 | }; |
766 | |
767 | /* Global visibility options. */ |
768 | extern struct visibility_flags visibility_options; |
769 | |
770 | /* Attribute table common to the C front ends. */ |
771 | extern const struct attribute_spec c_common_attribute_table[]; |
772 | extern const struct attribute_spec c_common_format_attribute_table[]; |
773 | |
774 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
775 | ID is the identifier to use, NAME is the string. |
776 | TYPE_DEP indicates whether it depends on type of the function or not |
777 | (i.e. __PRETTY_FUNCTION__). */ |
778 | |
779 | extern tree (*make_fname_decl) (location_t, tree, int); |
780 | |
781 | /* In c-decl.c and cp/tree.c. FIXME. */ |
782 | extern void c_register_addr_space (const char *str, addr_space_t as); |
783 | |
784 | /* In c-common.c. */ |
785 | extern bool in_late_binary_op; |
786 | extern const char *c_addr_space_name (addr_space_t as); |
787 | extern tree identifier_global_value (tree); |
788 | extern tree c_linkage_bindings (tree); |
789 | extern void record_builtin_type (enum rid, const char *, tree); |
790 | extern tree build_void_list_node (void); |
791 | extern void start_fname_decls (void); |
792 | extern void finish_fname_decls (void); |
793 | extern const char *fname_as_string (int); |
794 | extern tree fname_decl (location_t, unsigned, tree); |
795 | |
796 | extern int check_user_alignment (const_tree, bool); |
797 | extern bool check_function_arguments (location_t loc, const_tree, const_tree, |
798 | int, tree *, vec<location_t> *); |
799 | extern void check_function_arguments_recurse (void (*) |
800 | (void *, tree, |
801 | unsigned HOST_WIDE_INT), |
802 | void *, tree, |
803 | unsigned HOST_WIDE_INT); |
804 | extern bool check_builtin_function_arguments (location_t, vec<location_t>, |
805 | tree, int, tree *); |
806 | extern void check_function_format (tree, int, tree *, vec<location_t> *); |
807 | extern bool attribute_fallthrough_p (tree); |
808 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
809 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); |
810 | extern bool c_common_handle_option (size_t, const char *, int, int, location_t, |
811 | const struct cl_option_handlers *); |
812 | extern bool default_handle_c_option (size_t, const char *, int); |
813 | extern tree c_common_type_for_mode (machine_mode, int); |
814 | extern tree c_common_type_for_size (unsigned int, int); |
815 | extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, |
816 | int, int); |
817 | extern tree c_common_unsigned_type (tree); |
818 | extern tree c_common_signed_type (tree); |
819 | extern tree c_common_signed_or_unsigned_type (int, tree); |
820 | extern void c_common_init_ts (void); |
821 | extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
822 | extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, tree, |
823 | bool); |
824 | extern bool decl_with_nonnull_addr_p (const_tree); |
825 | extern tree c_fully_fold (tree, bool, bool *, bool = false); |
826 | extern tree c_wrap_maybe_const (tree, bool); |
827 | extern tree c_common_truthvalue_conversion (location_t, tree); |
828 | extern void c_apply_type_quals_to_decl (int, tree); |
829 | extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
830 | extern tree c_alignof_expr (location_t, tree); |
831 | /* Print an error message for invalid operands to arith operation CODE. |
832 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ |
833 | extern void binary_op_error (rich_location *, enum tree_code, tree, tree); |
834 | extern tree fix_string_type (tree); |
835 | extern tree convert_and_check (location_t, tree, tree); |
836 | extern bool c_determine_visibility (tree); |
837 | extern bool vector_types_compatible_elements_p (tree, tree); |
838 | extern void mark_valid_location_for_stdc_pragma (bool); |
839 | extern bool valid_location_for_stdc_pragma_p (void); |
840 | extern void set_float_const_decimal64 (void); |
841 | extern void clear_float_const_decimal64 (void); |
842 | extern bool float_const_decimal64_p (void); |
843 | |
844 | extern bool keyword_begins_type_specifier (enum rid); |
845 | extern bool keyword_is_storage_class_specifier (enum rid); |
846 | extern bool keyword_is_type_qualifier (enum rid); |
847 | extern bool keyword_is_decl_specifier (enum rid); |
848 | extern unsigned max_align_t_align (void); |
849 | extern bool cxx_fundamental_alignment_p (unsigned); |
850 | extern bool pointer_to_zero_sized_aggr_p (tree); |
851 | extern bool bool_promoted_to_int_p (tree); |
852 | extern tree fold_for_warn (tree); |
853 | extern tree c_common_get_narrower (tree, int *); |
854 | extern bool get_nonnull_operand (tree, unsigned HOST_WIDE_INT *); |
855 | |
856 | #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
857 | #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) |
858 | |
859 | /* Subroutine of build_binary_op, used for certain operations. */ |
860 | extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); |
861 | |
862 | /* Subroutine of build_binary_op, used for comparison operations. |
863 | See if the operands have both been converted from subword integer types |
864 | and, if so, perhaps change them both back to their original type. */ |
865 | extern tree shorten_compare (location_t, tree *, tree *, tree *, |
866 | enum tree_code *); |
867 | |
868 | extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
869 | bool = true); |
870 | |
871 | /* Add qualifiers to a type, in the fashion for C. */ |
872 | extern tree c_build_qualified_type (tree, int, tree = NULL_TREE, size_t = 0); |
873 | |
874 | /* Build tree nodes and builtin functions common to both C and C++ language |
875 | frontends. */ |
876 | extern void c_common_nodes_and_builtins (void); |
877 | |
878 | extern void disable_builtin_function (const char *); |
879 | |
880 | extern void set_compound_literal_name (tree decl); |
881 | |
882 | extern tree build_va_arg (location_t, tree, tree); |
883 | |
884 | extern const unsigned int c_family_lang_mask; |
885 | extern unsigned int c_common_option_lang_mask (void); |
886 | extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
887 | extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
888 | extern void c_common_init_options_struct (struct gcc_options *); |
889 | extern void c_common_init_options (unsigned int, struct cl_decoded_option *); |
890 | extern bool c_common_post_options (const char **); |
891 | extern bool c_common_init (void); |
892 | extern void c_common_finish (void); |
893 | extern void c_common_parse_file (void); |
894 | extern FILE *get_dump_info (int, dump_flags_t *); |
895 | extern alias_set_type c_common_get_alias_set (tree); |
896 | extern void c_register_builtin_type (tree, const char*); |
897 | extern bool c_promoting_integer_type_p (const_tree); |
898 | extern bool self_promoting_args_p (const_tree); |
899 | extern tree strip_pointer_operator (tree); |
900 | extern tree strip_pointer_or_array_types (tree); |
901 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
902 | |
903 | /* This is the basic parsing function. */ |
904 | extern void c_parse_file (void); |
905 | |
906 | extern void c_parse_final_cleanups (void); |
907 | |
908 | /* These macros provide convenient access to the various _STMT nodes. */ |
909 | |
910 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
911 | if a statement expression. */ |
912 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ |
913 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) |
914 | |
915 | /* Nonzero if a label has been added to the statement list. */ |
916 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ |
917 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) |
918 | |
919 | /* C_MAYBE_CONST_EXPR accessors. */ |
920 | #define C_MAYBE_CONST_EXPR_PRE(NODE) \ |
921 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) |
922 | #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ |
923 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) |
924 | #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ |
925 | TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) |
926 | #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ |
927 | TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) |
928 | #define EXPR_INT_CONST_OPERANDS(EXPR) \ |
929 | (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ |
930 | && (TREE_CODE (EXPR) == INTEGER_CST \ |
931 | || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ |
932 | && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) |
933 | |
934 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
935 | #define DECL_C_BIT_FIELD(NODE) \ |
936 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) |
937 | #define SET_DECL_C_BIT_FIELD(NODE) \ |
938 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) |
939 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ |
940 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) |
941 | |
942 | extern tree do_case (location_t, tree, tree); |
943 | extern tree build_stmt (location_t, enum tree_code, ...); |
944 | extern tree build_real_imag_expr (location_t, enum tree_code, tree); |
945 | |
946 | /* These functions must be defined by each front-end which implements |
947 | a variant of the C language. They are used in c-common.c. */ |
948 | |
949 | extern tree build_unary_op (location_t, enum tree_code, tree, bool); |
950 | extern tree build_binary_op (location_t, enum tree_code, tree, tree, bool); |
951 | extern tree perform_integral_promotions (tree); |
952 | |
953 | /* These functions must be defined by each front-end which implements |
954 | a variant of the C language. They are used by port files. */ |
955 | |
956 | extern tree default_conversion (tree); |
957 | |
958 | /* Given two integer or real types, return the type for their sum. |
959 | Given two compatible ANSI C types, returns the merged type. */ |
960 | |
961 | extern tree common_type (tree, tree); |
962 | |
963 | extern tree decl_constant_value (tree); |
964 | |
965 | /* Handle increment and decrement of boolean types. */ |
966 | extern tree boolean_increment (enum tree_code, tree); |
967 | |
968 | extern int case_compare (splay_tree_key, splay_tree_key); |
969 | |
970 | extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree, |
971 | bool *); |
972 | extern bool c_switch_covers_all_cases_p (splay_tree, tree); |
973 | |
974 | extern tree build_function_call (location_t, tree, tree); |
975 | |
976 | extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
977 | vec<tree, va_gc> *, vec<tree, va_gc> *); |
978 | |
979 | extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
980 | |
981 | extern tree finish_label_address_expr (tree, location_t); |
982 | |
983 | /* Same function prototype, but the C and C++ front ends have |
984 | different implementations. Used in c-common.c. */ |
985 | extern tree lookup_label (tree); |
986 | extern tree lookup_name (tree); |
987 | extern bool lvalue_p (const_tree); |
988 | |
989 | extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
990 | extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); |
991 | extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
992 | |
993 | extern void init_c_lex (void); |
994 | |
995 | extern void c_cpp_builtins (cpp_reader *); |
996 | extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); |
997 | extern bool c_cpp_error (cpp_reader *, int, int, rich_location *, |
998 | const char *, va_list *) |
999 | ATTRIBUTE_GCC_DIAG(5,0); |
1000 | extern int c_common_has_attribute (cpp_reader *); |
1001 | |
1002 | extern bool parse_optimize_options (tree, bool); |
1003 | |
1004 | /* Positive if an implicit `extern "C"' scope has just been entered; |
1005 | negative if such a scope has just been exited. */ |
1006 | extern GTY(()) int pending_lang_change; |
1007 | |
1008 | /* Information recorded about each file examined during compilation. */ |
1009 | |
1010 | struct c_fileinfo |
1011 | { |
1012 | int time; /* Time spent in the file. */ |
1013 | |
1014 | /* Flags used only by C++. |
1015 | INTERFACE_ONLY nonzero means that we are in an "interface" section |
1016 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust |
1017 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and |
1018 | INTERFACE_ONLY is zero, it means that we are responsible for |
1019 | exporting definitions that others might need. */ |
1020 | short interface_only; |
1021 | short interface_unknown; |
1022 | }; |
1023 | |
1024 | struct c_fileinfo *get_fileinfo (const char *); |
1025 | extern void dump_time_statistics (void); |
1026 | |
1027 | extern bool c_dump_tree (void *, tree); |
1028 | |
1029 | extern void verify_sequence_points (tree); |
1030 | |
1031 | extern tree fold_offsetof_1 (tree, tree_code ctx = ERROR_MARK); |
1032 | extern tree fold_offsetof (tree); |
1033 | |
1034 | extern int complete_array_type (tree *, tree, bool); |
1035 | |
1036 | extern tree builtin_type_for_size (int, bool); |
1037 | |
1038 | extern void c_common_mark_addressable_vec (tree); |
1039 | |
1040 | extern void set_underlying_type (tree); |
1041 | extern void record_types_used_by_current_var_decl (tree); |
1042 | extern vec<tree, va_gc> *make_tree_vector (void); |
1043 | extern void release_tree_vector (vec<tree, va_gc> *); |
1044 | extern vec<tree, va_gc> *make_tree_vector_single (tree); |
1045 | extern vec<tree, va_gc> *make_tree_vector_from_list (tree); |
1046 | extern vec<tree, va_gc> *make_tree_vector_from_ctor (tree); |
1047 | extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); |
1048 | |
1049 | /* Used for communication between c_common_type_for_mode and |
1050 | c_register_builtin_type. */ |
1051 | extern GTY(()) tree registered_builtin_types; |
1052 | |
1053 | /* Read SOURCE_DATE_EPOCH from environment to have a deterministic |
1054 | timestamp to replace embedded current dates to get reproducible |
1055 | results. Returns -1 if SOURCE_DATE_EPOCH is not defined. */ |
1056 | extern time_t cb_get_source_date_epoch (cpp_reader *pfile); |
1057 | |
1058 | /* The value (as a unix timestamp) corresponds to date |
1059 | "Dec 31 9999 23:59:59 UTC", which is the latest date that __DATE__ and |
1060 | __TIME__ can store. */ |
1061 | #define MAX_SOURCE_DATE_EPOCH HOST_WIDE_INT_C (253402300799) |
1062 | |
1063 | /* Callback for libcpp for offering spelling suggestions for misspelled |
1064 | directives. */ |
1065 | extern const char *cb_get_suggestion (cpp_reader *, const char *, |
1066 | const char *const *); |
1067 | |
1068 | extern GTY(()) string_concat_db *g_string_concat_db; |
1069 | |
1070 | class substring_loc; |
1071 | extern const char *c_get_substring_location (const substring_loc &substr_loc, |
1072 | location_t *out_loc); |
1073 | |
1074 | /* In c-gimplify.c */ |
1075 | extern void c_genericize (tree); |
1076 | extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); |
1077 | extern tree c_build_bind_expr (location_t, tree, tree); |
1078 | |
1079 | /* In c-lex.c. */ |
1080 | extern enum cpp_ttype |
1081 | conflict_marker_get_final_tok_kind (enum cpp_ttype tok1_kind); |
1082 | |
1083 | /* In c-pch.c */ |
1084 | extern void pch_init (void); |
1085 | extern void pch_cpp_save_state (void); |
1086 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); |
1087 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, |
1088 | const char *orig); |
1089 | extern void c_common_write_pch (void); |
1090 | extern void c_common_no_more_pch (void); |
1091 | extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
1092 | |
1093 | /* In *-checksum.c */ |
1094 | extern const unsigned char executable_checksum[16]; |
1095 | |
1096 | /* In c-cppbuiltin.c */ |
1097 | extern void builtin_define_std (const char *macro); |
1098 | extern void builtin_define_with_value (const char *, const char *, int); |
1099 | extern void builtin_define_with_int_value (const char *, HOST_WIDE_INT); |
1100 | extern void builtin_define_type_sizeof (const char *, tree); |
1101 | extern void c_stddef_cpp_builtins (void); |
1102 | extern void fe_file_change (const line_map_ordinary *); |
1103 | extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char, |
1104 | rich_location *richloc); |
1105 | |
1106 | /* In c-ppoutput.c */ |
1107 | extern void init_pp_output (FILE *); |
1108 | extern void preprocess_file (cpp_reader *); |
1109 | extern void pp_file_change (const line_map_ordinary *); |
1110 | extern void pp_dir_change (cpp_reader *, const char *); |
1111 | extern bool check_missing_format_attribute (tree, tree); |
1112 | |
1113 | /* In c-omp.c */ |
1114 | struct omp_clause_mask |
1115 | { |
1116 | inline omp_clause_mask (); |
1117 | inline omp_clause_mask (uint64_t l); |
1118 | inline omp_clause_mask (uint64_t l, uint64_t h); |
1119 | inline omp_clause_mask &operator &= (omp_clause_mask); |
1120 | inline omp_clause_mask &operator |= (omp_clause_mask); |
1121 | inline omp_clause_mask operator ~ () const; |
1122 | inline omp_clause_mask operator & (omp_clause_mask) const; |
1123 | inline omp_clause_mask operator | (omp_clause_mask) const; |
1124 | inline omp_clause_mask operator >> (int); |
1125 | inline omp_clause_mask operator << (int); |
1126 | inline bool operator == (omp_clause_mask) const; |
1127 | inline bool operator != (omp_clause_mask) const; |
1128 | uint64_t low, high; |
1129 | }; |
1130 | |
1131 | inline |
1132 | omp_clause_mask::omp_clause_mask () |
1133 | { |
1134 | } |
1135 | |
1136 | inline |
1137 | omp_clause_mask::omp_clause_mask (uint64_t l) |
1138 | : low (l), high (0) |
1139 | { |
1140 | } |
1141 | |
1142 | inline |
1143 | omp_clause_mask::omp_clause_mask (uint64_t l, uint64_t h) |
1144 | : low (l), high (h) |
1145 | { |
1146 | } |
1147 | |
1148 | inline omp_clause_mask & |
1149 | omp_clause_mask::operator &= (omp_clause_mask b) |
1150 | { |
1151 | low &= b.low; |
1152 | high &= b.high; |
1153 | return *this; |
1154 | } |
1155 | |
1156 | inline omp_clause_mask & |
1157 | omp_clause_mask::operator |= (omp_clause_mask b) |
1158 | { |
1159 | low |= b.low; |
1160 | high |= b.high; |
1161 | return *this; |
1162 | } |
1163 | |
1164 | inline omp_clause_mask |
1165 | omp_clause_mask::operator ~ () const |
1166 | { |
1167 | omp_clause_mask ret (~low, ~high); |
1168 | return ret; |
1169 | } |
1170 | |
1171 | inline omp_clause_mask |
1172 | omp_clause_mask::operator | (omp_clause_mask b) const |
1173 | { |
1174 | omp_clause_mask ret (low | b.low, high | b.high); |
1175 | return ret; |
1176 | } |
1177 | |
1178 | inline omp_clause_mask |
1179 | omp_clause_mask::operator & (omp_clause_mask b) const |
1180 | { |
1181 | omp_clause_mask ret (low & b.low, high & b.high); |
1182 | return ret; |
1183 | } |
1184 | |
1185 | inline omp_clause_mask |
1186 | omp_clause_mask::operator << (int amount) |
1187 | { |
1188 | omp_clause_mask ret; |
1189 | if (amount >= 64) |
1190 | { |
1191 | ret.low = 0; |
1192 | ret.high = low << (amount - 64); |
1193 | } |
1194 | else if (amount == 0) |
1195 | ret = *this; |
1196 | else |
1197 | { |
1198 | ret.low = low << amount; |
1199 | ret.high = (low >> (64 - amount)) | (high << amount); |
1200 | } |
1201 | return ret; |
1202 | } |
1203 | |
1204 | inline omp_clause_mask |
1205 | omp_clause_mask::operator >> (int amount) |
1206 | { |
1207 | omp_clause_mask ret; |
1208 | if (amount >= 64) |
1209 | { |
1210 | ret.low = high >> (amount - 64); |
1211 | ret.high = 0; |
1212 | } |
1213 | else if (amount == 0) |
1214 | ret = *this; |
1215 | else |
1216 | { |
1217 | ret.low = (high << (64 - amount)) | (low >> amount); |
1218 | ret.high = high >> amount; |
1219 | } |
1220 | return ret; |
1221 | } |
1222 | |
1223 | inline bool |
1224 | omp_clause_mask::operator == (omp_clause_mask b) const |
1225 | { |
1226 | return low == b.low && high == b.high; |
1227 | } |
1228 | |
1229 | inline bool |
1230 | omp_clause_mask::operator != (omp_clause_mask b) const |
1231 | { |
1232 | return low != b.low || high != b.high; |
1233 | } |
1234 | |
1235 | #define OMP_CLAUSE_MASK_1 omp_clause_mask (1) |
1236 | |
1237 | enum c_omp_clause_split |
1238 | { |
1239 | C_OMP_CLAUSE_SPLIT_TARGET = 0, |
1240 | C_OMP_CLAUSE_SPLIT_TEAMS, |
1241 | C_OMP_CLAUSE_SPLIT_DISTRIBUTE, |
1242 | C_OMP_CLAUSE_SPLIT_PARALLEL, |
1243 | C_OMP_CLAUSE_SPLIT_FOR, |
1244 | C_OMP_CLAUSE_SPLIT_SIMD, |
1245 | C_OMP_CLAUSE_SPLIT_COUNT, |
1246 | C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR, |
1247 | C_OMP_CLAUSE_SPLIT_TASKLOOP = C_OMP_CLAUSE_SPLIT_FOR |
1248 | }; |
1249 | |
1250 | enum c_omp_region_type |
1251 | { |
1252 | C_ORT_OMP = 1 << 0, |
1253 | C_ORT_ACC = 1 << 1, |
1254 | C_ORT_DECLARE_SIMD = 1 << 2, |
1255 | C_ORT_OMP_DECLARE_SIMD = C_ORT_OMP | C_ORT_DECLARE_SIMD |
1256 | }; |
1257 | |
1258 | extern tree c_finish_omp_master (location_t, tree); |
1259 | extern tree c_finish_omp_taskgroup (location_t, tree); |
1260 | extern tree c_finish_omp_critical (location_t, tree, tree, tree); |
1261 | extern tree c_finish_omp_ordered (location_t, tree, tree); |
1262 | extern void c_finish_omp_barrier (location_t); |
1263 | extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, |
1264 | tree, tree, tree, tree, tree, bool, bool, |
1265 | bool = false); |
1266 | extern void c_finish_omp_flush (location_t); |
1267 | extern void c_finish_omp_taskwait (location_t); |
1268 | extern void c_finish_omp_taskyield (location_t); |
1269 | extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, |
1270 | tree, tree, tree, tree); |
1271 | extern bool c_omp_check_loop_iv (tree, tree, walk_tree_lh); |
1272 | extern bool c_omp_check_loop_iv_exprs (location_t, tree, tree, tree, tree, |
1273 | walk_tree_lh); |
1274 | extern tree c_finish_oacc_wait (location_t, tree, tree); |
1275 | extern tree c_oacc_split_loop_clauses (tree, tree *, bool); |
1276 | extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, |
1277 | tree, tree *); |
1278 | extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); |
1279 | extern void c_omp_declare_simd_clauses_to_decls (tree, tree); |
1280 | extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
1281 | |
1282 | /* Return next tree in the chain for chain_next walking of tree nodes. */ |
1283 | static inline tree |
1284 | c_tree_chain_next (tree t) |
1285 | { |
1286 | /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different |
1287 | kind of object, never a long chain of nodes. Prefer |
1288 | TYPE_NEXT_VARIANT for types. */ |
1289 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) |
1290 | return TYPE_NEXT_VARIANT (t); |
1291 | /* Otherwise, if there is TREE_CHAIN, return it. */ |
1292 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) |
1293 | return TREE_CHAIN (t); |
1294 | return NULL; |
1295 | } |
1296 | |
1297 | /* Mask used by tm_stmt_attr. */ |
1298 | #define TM_STMT_ATTR_OUTER 2 |
1299 | #define TM_STMT_ATTR_ATOMIC 4 |
1300 | #define TM_STMT_ATTR_RELAXED 8 |
1301 | |
1302 | /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these |
1303 | are ordered specifically such that more restrictive attributes are |
1304 | at lower bit positions. This fact is known by the C++ tm attribute |
1305 | inheritance code such that least bit extraction (mask & -mask) results |
1306 | in the most restrictive attribute. */ |
1307 | #define TM_ATTR_SAFE 1 |
1308 | #define TM_ATTR_CALLABLE 2 |
1309 | #define TM_ATTR_PURE 4 |
1310 | #define TM_ATTR_IRREVOCABLE 8 |
1311 | #define TM_ATTR_MAY_CANCEL_OUTER 16 |
1312 | |
1313 | /* A suffix-identifier value doublet that represents user-defined literals |
1314 | for C++-0x. */ |
1315 | enum overflow_type { |
1316 | OT_UNDERFLOW = -1, |
1317 | OT_NONE, |
1318 | OT_OVERFLOW |
1319 | }; |
1320 | |
1321 | struct GTY(()) tree_userdef_literal { |
1322 | struct tree_base base; |
1323 | tree suffix_id; |
1324 | tree value; |
1325 | tree num_string; |
1326 | enum overflow_type overflow; |
1327 | }; |
1328 | |
1329 | #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ |
1330 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) |
1331 | |
1332 | #define USERDEF_LITERAL_VALUE(NODE) \ |
1333 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) |
1334 | |
1335 | #define USERDEF_LITERAL_OVERFLOW(NODE) \ |
1336 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) |
1337 | |
1338 | #define USERDEF_LITERAL_NUM_STRING(NODE) \ |
1339 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) |
1340 | |
1341 | #define USERDEF_LITERAL_TYPE(NODE) \ |
1342 | (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) |
1343 | |
1344 | extern tree build_userdef_literal (tree suffix_id, tree value, |
1345 | enum overflow_type overflow, |
1346 | tree num_string); |
1347 | |
1348 | extern bool convert_vector_to_array_for_subscript (location_t, tree *, tree); |
1349 | |
1350 | /* Possibe cases of scalar_to_vector conversion. */ |
1351 | enum stv_conv { |
1352 | stv_error, /* Error occurred. */ |
1353 | stv_nothing, /* Nothing happened. */ |
1354 | stv_firstarg, /* First argument must be expanded. */ |
1355 | stv_secondarg /* Second argument must be expanded. */ |
1356 | }; |
1357 | |
1358 | extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, |
1359 | tree op0, tree op1, bool); |
1360 | |
1361 | extern tree find_inv_trees (tree *, int *, void *); |
1362 | extern tree replace_inv_trees (tree *, int *, void *); |
1363 | |
1364 | extern bool reject_gcc_builtin (const_tree, location_t = UNKNOWN_LOCATION); |
1365 | extern bool valid_array_size_p (location_t, tree, tree); |
1366 | |
1367 | /* In c-warn.c. */ |
1368 | extern void constant_expression_warning (tree); |
1369 | extern void constant_expression_error (tree); |
1370 | extern void overflow_warning (location_t, tree, tree = NULL_TREE); |
1371 | extern void warn_logical_operator (location_t, enum tree_code, tree, |
1372 | enum tree_code, tree, enum tree_code, tree); |
1373 | extern void warn_tautological_cmp (location_t, enum tree_code, tree, tree); |
1374 | extern void warn_logical_not_parentheses (location_t, enum tree_code, tree, |
1375 | tree); |
1376 | extern bool warn_if_unused_value (const_tree, location_t); |
1377 | extern bool strict_aliasing_warning (tree, tree, tree); |
1378 | extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
1379 | vec<tree, va_gc> *, tree *, |
1380 | bool (*) (tree, tree)); |
1381 | extern void check_main_parameter_types (tree decl); |
1382 | extern void warnings_for_convert_and_check (location_t, tree, tree, tree); |
1383 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree, bool, |
1384 | bool); |
1385 | extern void warn_for_omitted_condop (location_t, tree); |
1386 | extern void warn_for_restrict (unsigned, tree *, unsigned); |
1387 | |
1388 | /* Places where an lvalue, or modifiable lvalue, may be required. |
1389 | Used to select diagnostic messages in lvalue_error and |
1390 | readonly_error. */ |
1391 | enum lvalue_use { |
1392 | lv_assign, |
1393 | lv_increment, |
1394 | lv_decrement, |
1395 | lv_addressof, |
1396 | lv_asm |
1397 | }; |
1398 | |
1399 | extern void lvalue_error (location_t, enum lvalue_use); |
1400 | extern void invalid_indirection_error (location_t, tree, ref_operator); |
1401 | extern void readonly_error (location_t, tree, enum lvalue_use); |
1402 | extern void warn_array_subscript_with_type_char (location_t, tree); |
1403 | extern void warn_about_parentheses (location_t, |
1404 | enum tree_code, |
1405 | enum tree_code, tree, |
1406 | enum tree_code, tree); |
1407 | extern void warn_for_unused_label (tree label); |
1408 | extern void warn_for_div_by_zero (location_t, tree divisor); |
1409 | extern void warn_for_memset (location_t, tree, tree, int); |
1410 | extern void warn_for_sign_compare (location_t, |
1411 | tree orig_op0, tree orig_op1, |
1412 | tree op0, tree op1, |
1413 | tree result_type, |
1414 | enum tree_code resultcode); |
1415 | extern void do_warn_double_promotion (tree, tree, tree, const char *, |
1416 | location_t); |
1417 | extern void do_warn_unused_parameter (tree); |
1418 | extern void record_locally_defined_typedef (tree); |
1419 | extern void maybe_record_typedef_use (tree); |
1420 | extern void maybe_warn_unused_local_typedefs (void); |
1421 | extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); |
1422 | extern bool maybe_warn_shift_overflow (location_t, tree, tree); |
1423 | extern void warn_duplicated_cond_add_or_warn (location_t, tree, vec<tree> **); |
1424 | extern bool diagnose_mismatched_attributes (tree, tree); |
1425 | extern tree do_warn_duplicated_branches_r (tree *, int *, void *); |
1426 | extern void warn_for_multistatement_macros (location_t, location_t, |
1427 | location_t, enum rid); |
1428 | |
1429 | /* In c-attribs.c. */ |
1430 | extern bool attribute_takes_identifier_p (const_tree); |
1431 | extern tree handle_unused_attribute (tree *, tree, tree, int, bool *); |
1432 | extern int parse_tm_stmt_attr (tree, int); |
1433 | extern int tm_attr_to_mask (tree); |
1434 | extern tree tm_mask_to_attr (int); |
1435 | extern tree find_tm_attribute (tree); |
1436 | |
1437 | extern enum flt_eval_method |
1438 | excess_precision_mode_join (enum flt_eval_method, enum flt_eval_method); |
1439 | |
1440 | extern int c_flt_eval_method (bool ts18661_p); |
1441 | extern void add_no_sanitize_value (tree node, unsigned int flags); |
1442 | |
1443 | extern void maybe_add_include_fixit (rich_location *, const char *); |
1444 | extern void maybe_suggest_missing_token_insertion (rich_location *richloc, |
1445 | enum cpp_ttype token_type, |
1446 | location_t prev_token_loc); |
1447 | |
1448 | #if CHECKING_P |
1449 | namespace selftest { |
1450 | /* Declarations for specific families of tests within c-family, |
1451 | by source file, in alphabetical order. */ |
1452 | extern void c_format_c_tests (void); |
1453 | extern void c_spellcheck_cc_tests (void); |
1454 | |
1455 | /* The entrypoint for running all of the above tests. */ |
1456 | extern void c_family_tests (void); |
1457 | } // namespace selftest |
1458 | #endif /* #if CHECKING_P */ |
1459 | |
1460 | #endif /* ! GCC_C_COMMON_H */ |
1461 | |