Mercurial > hg > CbC > CbC_gcc
annotate gcc/c-family/c-common.h @ 112:ab0bcb71f44d
merge gcc 7
author | mir3636 |
---|---|
date | Fri, 10 Nov 2017 19:46:38 +0900 |
parents | 04ced10e8804 5211b774b8b5 |
children | bdf41c9fa0b7 |
rev | line source |
---|---|
68 | 1 /* Definitions for c-common.c. |
111 | 2 Copyright (C) 1987-2017 Free Software Foundation, Inc. |
68 | 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" | |
111 | 25 #include "alias.h" |
26 #include "tree.h" | |
27 #include "fold-const.h" | |
68 | 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_?: | |
111 | 46 0: IDENTIFIER_MARKED (used by search routines). |
68 | 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 | |
111 | 59 are 28 type modifiers; if we add many more we will have to redesign |
68 | 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, | |
111 | 70 RID_NORETURN, RID_ATOMIC, |
68 | 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, | |
111 | 103 RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
68 | 104 RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
111 | 105 |
106 /* TS 18661-3 keywords, in the same sequence as the TI_* values. */ | |
107 RID_FLOAT16, | |
108 RID_FLOATN_NX_FIRST = RID_FLOAT16, | |
109 RID_FLOAT32, | |
110 RID_FLOAT64, | |
111 RID_FLOAT128, | |
112 RID_FLOAT32X, | |
113 RID_FLOAT64X, | |
114 RID_FLOAT128X, | |
115 #define CASE_RID_FLOATN_NX \ | |
116 case RID_FLOAT16: case RID_FLOAT32: case RID_FLOAT64: case RID_FLOAT128: \ | |
117 case RID_FLOAT32X: case RID_FLOAT64X: case RID_FLOAT128X | |
118 | |
119 RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, | |
120 | |
121 /* "__GIMPLE", for the GIMPLE-parsing extension to the C frontend. */ | |
122 RID_GIMPLE, | |
123 | |
124 /* "__PHI", for parsing PHI function in GIMPLE FE. */ | |
125 RID_PHI, | |
126 | |
127 /* "__RTL", for the RTL-parsing extension to the C frontend. */ | |
128 RID_RTL, | |
129 | |
130 /* C11 */ | |
131 RID_ALIGNAS, RID_GENERIC, | |
68 | 132 |
133 /* This means to warn that this is a C++ keyword, and then treat it | |
134 as a normal identifier. */ | |
135 RID_CXX_COMPAT_WARN, | |
136 | |
111 | 137 /* GNU transactional memory extension */ |
138 RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, | |
139 | |
68 | 140 /* Too many ways of getting the name of a function as a string */ |
141 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
142 | |
143 /* C++ (some of these are keywords in Objective-C as well, but only | |
144 if they appear after a '@') */ | |
145 RID_BOOL, RID_WCHAR, RID_CLASS, | |
146 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
147 RID_TEMPLATE, RID_NULL, RID_CATCH, | |
148 RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
149 RID_NEW, RID_OFFSETOF, RID_OPERATOR, | |
150 RID_THIS, RID_THROW, RID_TRUE, | |
151 RID_TRY, RID_TYPENAME, RID_TYPEID, | |
152 RID_USING, RID_CHAR16, RID_CHAR32, | |
153 | |
154 /* casts */ | |
155 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
156 | |
157 /* C++ extensions */ | |
111 | 158 RID_ADDRESSOF, RID_BASES, |
159 RID_BUILTIN_LAUNDER, RID_DIRECT_BASES, | |
68 | 160 RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
161 RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, | |
162 RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, | |
111 | 163 RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_UNIQUE_OBJ_REPRESENTATIONS, |
164 RID_HAS_VIRTUAL_DESTRUCTOR, | |
165 RID_IS_ABSTRACT, RID_IS_AGGREGATE, | |
166 RID_IS_BASE_OF, RID_IS_CLASS, | |
68 | 167 RID_IS_EMPTY, RID_IS_ENUM, |
111 | 168 RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
68 | 169 RID_IS_POD, RID_IS_POLYMORPHIC, |
111 | 170 RID_IS_SAME_AS, |
68 | 171 RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, |
111 | 172 RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
173 RID_IS_TRIVIALLY_COPYABLE, | |
174 RID_IS_UNION, RID_UNDERLYING_TYPE, | |
175 RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE, | |
68 | 176 |
111 | 177 /* C++11 */ |
68 | 178 RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
179 | |
111 | 180 /* C++ concepts */ |
181 RID_CONCEPT, RID_REQUIRES, | |
182 | |
183 /* C++ transactional memory. */ | |
184 RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED, | |
185 | |
186 /* Cilk Plus keywords. */ | |
187 RID_CILK_SPAWN, RID_CILK_SYNC, RID_CILK_FOR, | |
188 | |
68 | 189 /* Objective-C ("AT" reserved words - they are only keywords when |
190 they follow '@') */ | |
191 RID_AT_ENCODE, RID_AT_END, | |
192 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, | |
193 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, | |
194 RID_AT_PROTOCOL, RID_AT_SELECTOR, | |
195 RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, | |
196 RID_AT_FINALLY, RID_AT_SYNCHRONIZED, | |
197 RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, | |
198 RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, | |
199 RID_AT_INTERFACE, | |
200 RID_AT_IMPLEMENTATION, | |
201 | |
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
68
diff
changeset
|
202 #ifndef noCbC |
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
68
diff
changeset
|
203 /* Continuation based C */ |
98
5211b774b8b5
implemeted selftype expression. add CbC-exanples/selftype.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
90
diff
changeset
|
204 RID_CbC_CODE, RID_CbC_ENV, RID_CbC_RET, |
5211b774b8b5
implemeted selftype expression. add CbC-exanples/selftype.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
90
diff
changeset
|
205 /* extention of construction : __rectype, selftype */ |
5211b774b8b5
implemeted selftype expression. add CbC-exanples/selftype.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
90
diff
changeset
|
206 RID_CbC_REC,RID_CbC_SELFTYPE, |
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
68
diff
changeset
|
207 #endif |
68 | 208 /* Named address support, mapping the keyword to a particular named address |
209 number. Named address space 0 is reserved for the generic address. If | |
210 there are more than 254 named addresses, the addr_space_t type will need | |
211 to be grown from an unsigned char to unsigned short. */ | |
212 RID_ADDR_SPACE_0, /* generic address */ | |
213 RID_ADDR_SPACE_1, | |
214 RID_ADDR_SPACE_2, | |
215 RID_ADDR_SPACE_3, | |
216 RID_ADDR_SPACE_4, | |
217 RID_ADDR_SPACE_5, | |
218 RID_ADDR_SPACE_6, | |
219 RID_ADDR_SPACE_7, | |
220 RID_ADDR_SPACE_8, | |
221 RID_ADDR_SPACE_9, | |
222 RID_ADDR_SPACE_10, | |
223 RID_ADDR_SPACE_11, | |
224 RID_ADDR_SPACE_12, | |
225 RID_ADDR_SPACE_13, | |
226 RID_ADDR_SPACE_14, | |
227 RID_ADDR_SPACE_15, | |
228 | |
229 RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, | |
230 RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, | |
231 | |
111 | 232 /* __intN keywords. The _N_M here doesn't correspond to the intN |
233 in the keyword; use the bitsize in int_n_t_data_t[M] for that. | |
234 For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 | |
235 is for __int13. */ | |
236 | |
237 /* Note that the range to use is RID_FIRST_INT_N through | |
238 RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of | |
239 all RID_INT_N_* in a case statement. */ | |
240 | |
241 RID_INT_N_0, | |
242 RID_INT_N_1, | |
243 RID_INT_N_2, | |
244 RID_INT_N_3, | |
245 | |
246 RID_FIRST_INT_N = RID_INT_N_0, | |
247 RID_LAST_INT_N = RID_INT_N_3, | |
248 | |
68 | 249 RID_MAX, |
250 | |
251 RID_FIRST_MODIFIER = RID_STATIC, | |
252 RID_LAST_MODIFIER = RID_ONEWAY, | |
253 | |
111 | 254 RID_FIRST_CXX11 = RID_CONSTEXPR, |
255 RID_LAST_CXX11 = RID_STATIC_ASSERT, | |
68 | 256 RID_FIRST_AT = RID_AT_ENCODE, |
257 RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
258 RID_FIRST_PQ = RID_IN, | |
259 RID_LAST_PQ = RID_ONEWAY, | |
260 RID_FIRST_PATTR = RID_GETTER, | |
261 RID_LAST_PATTR = RID_NONATOMIC | |
262 }; | |
263 | |
264 #define OBJC_IS_AT_KEYWORD(rid) \ | |
265 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ | |
266 (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
267 | |
268 #define OBJC_IS_PQ_KEYWORD(rid) \ | |
269 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ | |
270 (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
271 | |
272 #define OBJC_IS_PATTR_KEYWORD(rid) \ | |
273 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ | |
274 (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) | |
275 | |
276 /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as | |
277 'class') which are shared in a subtle way between Objective-C and | |
278 C++. When the lexer is lexing in Objective-C/Objective-C++, if it | |
279 finds '@' followed by one of these identifiers (eg, '@class'), it | |
280 recognizes the whole as an Objective-C keyword. If the identifier | |
281 is found elsewhere, it follows the rules of the C/C++ language. | |
282 */ | |
283 #define OBJC_IS_CXX_KEYWORD(rid) \ | |
111 | 284 (rid == RID_CLASS || rid == RID_SYNCHRONIZED \ |
68 | 285 || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ |
286 || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) | |
287 | |
288 /* The elements of `ridpointers' are identifier nodes for the reserved | |
289 type names and storage classes. It is indexed by a RID_... value. */ | |
290 extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; | |
291 | |
292 /* Standard named or nameless data types of the C compiler. */ | |
293 | |
294 enum c_tree_index | |
295 { | |
296 CTI_CHAR16_TYPE, | |
297 CTI_CHAR32_TYPE, | |
298 CTI_WCHAR_TYPE, | |
299 CTI_UNDERLYING_WCHAR_TYPE, | |
300 CTI_WINT_TYPE, | |
301 CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ | |
302 CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
303 CTI_INTMAX_TYPE, | |
304 CTI_UINTMAX_TYPE, | |
305 CTI_WIDEST_INT_LIT_TYPE, | |
306 CTI_WIDEST_UINT_LIT_TYPE, | |
307 | |
308 /* Types for <stdint.h>, that may not be defined on all | |
309 targets. */ | |
310 CTI_SIG_ATOMIC_TYPE, | |
311 CTI_INT8_TYPE, | |
312 CTI_INT16_TYPE, | |
313 CTI_INT32_TYPE, | |
314 CTI_INT64_TYPE, | |
315 CTI_UINT8_TYPE, | |
316 CTI_UINT16_TYPE, | |
317 CTI_UINT32_TYPE, | |
318 CTI_UINT64_TYPE, | |
319 CTI_INT_LEAST8_TYPE, | |
320 CTI_INT_LEAST16_TYPE, | |
321 CTI_INT_LEAST32_TYPE, | |
322 CTI_INT_LEAST64_TYPE, | |
323 CTI_UINT_LEAST8_TYPE, | |
324 CTI_UINT_LEAST16_TYPE, | |
325 CTI_UINT_LEAST32_TYPE, | |
326 CTI_UINT_LEAST64_TYPE, | |
327 CTI_INT_FAST8_TYPE, | |
328 CTI_INT_FAST16_TYPE, | |
329 CTI_INT_FAST32_TYPE, | |
330 CTI_INT_FAST64_TYPE, | |
331 CTI_UINT_FAST8_TYPE, | |
332 CTI_UINT_FAST16_TYPE, | |
333 CTI_UINT_FAST32_TYPE, | |
334 CTI_UINT_FAST64_TYPE, | |
335 CTI_INTPTR_TYPE, | |
336 CTI_UINTPTR_TYPE, | |
337 | |
338 CTI_CHAR_ARRAY_TYPE, | |
339 CTI_CHAR16_ARRAY_TYPE, | |
340 CTI_CHAR32_ARRAY_TYPE, | |
341 CTI_WCHAR_ARRAY_TYPE, | |
342 CTI_STRING_TYPE, | |
343 CTI_CONST_STRING_TYPE, | |
344 | |
345 /* Type for boolean expressions (bool in C++, int in C). */ | |
346 CTI_TRUTHVALUE_TYPE, | |
347 CTI_TRUTHVALUE_TRUE, | |
348 CTI_TRUTHVALUE_FALSE, | |
349 | |
350 CTI_DEFAULT_FUNCTION_TYPE, | |
351 | |
352 /* These are not types, but we have to look them up all the time. */ | |
353 CTI_FUNCTION_NAME_DECL, | |
354 CTI_PRETTY_FUNCTION_NAME_DECL, | |
355 CTI_C99_FUNCTION_NAME_DECL, | |
356 CTI_SAVED_FUNCTION_NAME_DECLS, | |
357 | |
358 CTI_NULL, | |
359 | |
360 CTI_MAX | |
361 }; | |
362 | |
363 #define C_CPP_HASHNODE(id) \ | |
364 (&(((struct c_common_identifier *) (id))->node)) | |
365 #define C_RID_CODE(id) \ | |
366 ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) | |
367 #define C_SET_RID_CODE(id, code) \ | |
368 (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) | |
369 | |
370 /* Identifier part common to the C front ends. Inherits from | |
371 tree_identifier, despite appearances. */ | |
372 struct GTY(()) c_common_identifier { | |
373 struct tree_common common; | |
374 struct cpp_hashnode node; | |
375 }; | |
376 | |
377 /* An entry in the reserved keyword table. */ | |
378 | |
379 struct c_common_resword | |
380 { | |
381 const char *const word; | |
382 ENUM_BITFIELD(rid) const rid : 16; | |
383 const unsigned int disable : 16; | |
384 }; | |
385 | |
111 | 386 /* Mode used to build pointers (VOIDmode means ptr_mode). */ |
387 | |
388 extern machine_mode c_default_pointer_mode; | |
389 | |
390 /* Extra cpp_ttype values for C++. */ | |
391 | |
392 /* A token type for template-ids. If a template-id is processed while | |
393 parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; | |
394 the value of the CPP_TEMPLATE_ID is whatever was returned by | |
395 cp_parser_template_id. */ | |
396 #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) | |
397 | |
398 /* A token type for nested-name-specifiers. If a | |
399 nested-name-specifier is processed while parsing tentatively, it is | |
400 replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the | |
401 CPP_NESTED_NAME_SPECIFIER is whatever was returned by | |
402 cp_parser_nested_name_specifier_opt. */ | |
403 #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) | |
404 | |
405 /* A token type for pre-parsed C++0x decltype. */ | |
406 #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) | |
407 | |
408 /* A token type for pre-parsed primary-expression (lambda- or statement-). */ | |
409 #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) | |
410 | |
411 /* The number of token types, including C++-specific ones. */ | |
412 #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) | |
413 | |
68 | 414 /* Disable mask. Keywords are disabled if (reswords[i].disable & |
415 mask) is _true_. Thus for keywords which are present in all | |
416 languages the disable field is zero. */ | |
417 | |
418 #define D_CONLY 0x001 /* C only (not in C++). */ | |
419 #define D_CXXONLY 0x002 /* C++ only (not in C). */ | |
420 #define D_C99 0x004 /* In C, C99 only. */ | |
111 | 421 #define D_CXX11 0x008 /* In C++, C++11 only. */ |
68 | 422 #define D_EXT 0x010 /* GCC extension. */ |
423 #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ | |
424 #define D_ASM 0x040 /* Disabled by -fno-asm. */ | |
425 #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ | |
426 #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ | |
427 #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ | |
111 | 428 #define D_CXX_CONCEPTS 0x400 /* In C++, only with concepts. */ |
429 #define D_TRANSMEM 0X800 /* C++ transactional memory TS. */ | |
430 | |
431 #define D_CXX_CONCEPTS_FLAGS D_CXXONLY | D_CXX_CONCEPTS | |
68 | 432 |
433 /* The reserved keyword table. */ | |
434 extern const struct c_common_resword c_common_reswords[]; | |
435 | |
436 /* The number of items in the reserved keyword table. */ | |
437 extern const unsigned int num_c_common_reswords; | |
438 | |
439 #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] | |
440 #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] | |
441 #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] | |
442 #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] | |
443 #define wint_type_node c_global_trees[CTI_WINT_TYPE] | |
444 #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] | |
445 #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
446 #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] | |
447 #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
448 #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] | |
449 #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
450 | |
451 #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] | |
452 #define int8_type_node c_global_trees[CTI_INT8_TYPE] | |
453 #define int16_type_node c_global_trees[CTI_INT16_TYPE] | |
454 #define int32_type_node c_global_trees[CTI_INT32_TYPE] | |
455 #define int64_type_node c_global_trees[CTI_INT64_TYPE] | |
456 #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] | |
111 | 457 #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
68 | 458 #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
459 #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] | |
460 #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] | |
461 #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] | |
462 #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] | |
463 #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] | |
464 #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] | |
465 #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] | |
466 #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] | |
467 #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] | |
468 #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] | |
469 #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] | |
470 #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] | |
471 #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] | |
472 #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] | |
473 #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] | |
474 #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] | |
475 #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] | |
476 #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] | |
477 #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] | |
478 | |
479 #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] | |
480 #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
481 #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
482 | |
483 #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] | |
484 #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] | |
485 #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] | |
486 #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] | |
487 #define string_type_node c_global_trees[CTI_STRING_TYPE] | |
488 #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
489 | |
490 #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
491 | |
492 #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] | |
493 #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
494 #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
495 #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
496 | |
497 /* The node for C++ `__null'. */ | |
498 #define null_node c_global_trees[CTI_NULL] | |
499 | |
500 extern GTY(()) tree c_global_trees[CTI_MAX]; | |
501 | |
502 /* Mark which labels are explicitly declared. | |
503 These may be shadowed, and may be referenced from nested functions. */ | |
504 #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
505 | |
111 | 506 enum c_language_kind |
68 | 507 { |
111 | 508 clk_c = 0, /* C90, C94, C99 or C11 */ |
68 | 509 clk_objc = 1, /* clk_c with ObjC features. */ |
510 clk_cxx = 2, /* ANSI/ISO C++ */ | |
511 clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
111 | 512 }; |
68 | 513 |
514 /* To test for a specific language use c_language, defined by each | |
515 front end. For "ObjC features" or "not C++" use the macros. */ | |
516 extern c_language_kind c_language; | |
517 | |
518 #define c_dialect_cxx() ((c_language & clk_cxx) != 0) | |
519 #define c_dialect_objc() ((c_language & clk_objc) != 0) | |
520 | |
521 /* The various name of operator that appears in error messages. */ | |
111 | 522 enum ref_operator { |
68 | 523 /* NULL */ |
524 RO_NULL, | |
525 /* array indexing */ | |
526 RO_ARRAY_INDEXING, | |
527 /* unary * */ | |
528 RO_UNARY_STAR, | |
529 /* -> */ | |
530 RO_ARROW, | |
531 /* implicit conversion */ | |
111 | 532 RO_IMPLICIT_CONVERSION, |
533 /* ->* */ | |
534 RO_ARROW_STAR | |
535 }; | |
68 | 536 |
537 /* Information about a statement tree. */ | |
538 | |
539 struct GTY(()) stmt_tree_s { | |
111 | 540 /* A stack of statement lists being collected. */ |
541 vec<tree, va_gc> *x_cur_stmt_list; | |
68 | 542 |
543 /* In C++, Nonzero if we should treat statements as full | |
111 | 544 expressions. In particular, this variable is non-zero if at the |
68 | 545 end of a statement we should destroy any temporaries created |
546 during that statement. Similarly, if, at the end of a block, we | |
547 should destroy any local variables in this block. Normally, this | |
548 variable is nonzero, since those are the normal semantics of | |
549 C++. | |
550 | |
551 This flag has no effect in C. */ | |
552 int stmts_are_full_exprs_p; | |
553 }; | |
554 | |
555 typedef struct stmt_tree_s *stmt_tree; | |
556 | |
557 /* Global state pertinent to the current function. Some C dialects | |
558 extend this structure with additional fields. */ | |
559 | |
560 struct GTY(()) c_language_function { | |
561 /* While we are parsing the function, this contains information | |
562 about the statement-tree that we are building. */ | |
563 struct stmt_tree_s x_stmt_tree; | |
111 | 564 |
565 /* Vector of locally defined typedefs, for | |
566 -Wunused-local-typedefs. */ | |
567 vec<tree, va_gc> *local_typedefs; | |
68 | 568 }; |
569 | |
111 | 570 #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
571 | |
68 | 572 /* When building a statement-tree, this is the current statement list |
111 | 573 being collected. */ |
574 #define cur_stmt_list (stmt_list_stack->last ()) | |
68 | 575 |
111 | 576 #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
68 | 577 |
578 /* Language-specific hooks. */ | |
579 | |
580 /* If non-NULL, this function is called after a precompile header file | |
581 is loaded. */ | |
582 extern void (*lang_post_pch_load) (void); | |
583 | |
584 extern void push_file_scope (void); | |
585 extern void pop_file_scope (void); | |
586 extern stmt_tree current_stmt_tree (void); | |
587 extern tree push_stmt_list (void); | |
588 extern tree pop_stmt_list (tree); | |
589 extern tree add_stmt (tree); | |
590 extern void push_cleanup (tree, tree, bool); | |
111 | 591 |
68 | 592 extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
593 location_t, tree, tree); | |
111 | 594 extern tree build_array_notation_expr (location_t, tree, tree, enum tree_code, |
595 location_t, tree, tree); | |
596 extern tree build_array_notation_ref (location_t, tree, tree, tree, tree, tree); | |
68 | 597 extern tree build_indirect_ref (location_t, tree, ref_operator); |
598 | |
599 extern bool has_c_linkage (const_tree decl); | |
111 | 600 extern bool c_decl_implicit (const_tree); |
68 | 601 |
602 /* Switches common to the C front ends. */ | |
603 | |
604 /* Nonzero means don't output line number information. */ | |
605 | |
606 extern char flag_no_line_commands; | |
607 | |
608 /* Nonzero causes -E output not to be done, but directives such as | |
609 #define that have side effects are still obeyed. */ | |
610 | |
611 extern char flag_no_output; | |
612 | |
613 /* Nonzero means dump macros in some fashion; contains the 'D', 'M', | |
614 'N' or 'U' of the command line switch. */ | |
615 | |
616 extern char flag_dump_macros; | |
617 | |
618 /* Nonzero means pass #include lines through to the output. */ | |
619 | |
620 extern char flag_dump_includes; | |
621 | |
622 /* Nonzero means process PCH files while preprocessing. */ | |
623 | |
624 extern bool flag_pch_preprocess; | |
625 | |
626 /* The file name to which we should write a precompiled header, or | |
627 NULL if no header will be written in this compile. */ | |
628 | |
629 extern const char *pch_file; | |
630 | |
631 /* Nonzero if an ISO standard was selected. It rejects macros in the | |
632 user's namespace. */ | |
633 | |
634 extern int flag_iso; | |
635 | |
636 /* C/ObjC language option variables. */ | |
637 | |
638 | |
639 /* Nonzero means allow type mismatches in conditional expressions; | |
640 just make their values `void'. */ | |
641 | |
642 extern int flag_cond_mismatch; | |
643 | |
644 /* Nonzero means enable C89 Amendment 1 features. */ | |
645 | |
646 extern int flag_isoc94; | |
647 | |
111 | 648 /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
68 | 649 |
650 extern int flag_isoc99; | |
651 | |
111 | 652 /* Nonzero means use the ISO C11 dialect of C. */ |
68 | 653 |
111 | 654 extern int flag_isoc11; |
68 | 655 |
656 /* Nonzero means that we have builtin functions, and main is an int. */ | |
657 | |
658 extern int flag_hosted; | |
659 | |
660 /* ObjC language option variables. */ | |
661 | |
662 | |
663 /* Tells the compiler that this is a special run. Do not perform any | |
664 compiling, instead we are to test some platform dependent features | |
665 and output a C header file with appropriate definitions. */ | |
666 | |
667 extern int print_struct_values; | |
668 | |
669 /* Tells the compiler what is the constant string class for ObjC. */ | |
670 | |
671 extern const char *constant_string_class_name; | |
672 | |
673 | |
674 /* C++ language option variables. */ | |
675 | |
111 | 676 /* The reference version of the ABI for -Wabi. */ |
677 | |
678 extern int warn_abi_version; | |
679 | |
680 /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is | |
681 less than N and the other is at least N. */ | |
682 #define abi_compat_version_crosses(N) \ | |
683 (abi_version_at_least(N) \ | |
684 != (flag_abi_compat_version == 0 \ | |
685 || flag_abi_compat_version >= (N))) | |
686 | |
687 /* Return TRUE if one of {flag_abi_version,warn_abi_version} is | |
688 less than N and the other is at least N, for use by -Wabi. */ | |
689 #define abi_version_crosses(N) \ | |
690 (abi_version_at_least(N) \ | |
691 != (warn_abi_version == 0 \ | |
692 || warn_abi_version >= (N))) | |
68 | 693 |
694 /* Nonzero means generate separate instantiation control files and | |
695 juggle them at link time. */ | |
696 | |
697 extern int flag_use_repository; | |
698 | |
699 /* The supported C++ dialects. */ | |
700 | |
701 enum cxx_dialect { | |
111 | 702 cxx_unset, |
703 /* C++98 with TC1 */ | |
68 | 704 cxx98, |
111 | 705 cxx03 = cxx98, |
706 /* C++11 */ | |
707 cxx0x, | |
708 cxx11 = cxx0x, | |
709 /* C++14 */ | |
710 cxx14, | |
711 /* C++17 */ | |
712 cxx17, | |
713 /* C++2a (C++20?) */ | |
714 cxx2a | |
68 | 715 }; |
716 | |
717 /* The C++ dialect being used. C++98 is the default. */ | |
718 extern enum cxx_dialect cxx_dialect; | |
719 | |
720 /* Maximum template instantiation depth. This limit is rather | |
721 arbitrary, but it exists to limit the time it takes to notice | |
111 | 722 excessively recursive template instantiations. */ |
68 | 723 |
724 extern int max_tinst_depth; | |
725 | |
726 /* Nonzero means that we should not issue warnings about problems that | |
727 occur when the code is executed, because the code being processed | |
728 is not expected to be executed. This is set during parsing. This | |
729 is used for cases like sizeof() and "0 ? a : b". This is a count, | |
730 not a bool, because unexecuted expressions can nest. */ | |
731 | |
732 extern int c_inhibit_evaluation_warnings; | |
733 | |
734 /* Whether lexing has been completed, so subsequent preprocessor | |
735 errors should use the compiler's input_location. */ | |
736 | |
737 extern bool done_lexing; | |
738 | |
739 /* C types are partitioned into three subsets: object, function, and | |
740 incomplete types. */ | |
741 #define C_TYPE_OBJECT_P(type) \ | |
742 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
743 | |
744 #define C_TYPE_INCOMPLETE_P(type) \ | |
745 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
746 | |
747 #define C_TYPE_FUNCTION_P(type) \ | |
748 (TREE_CODE (type) == FUNCTION_TYPE) | |
749 | |
750 /* For convenience we define a single macro to identify the class of | |
751 object or incomplete types. */ | |
752 #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
753 (!C_TYPE_FUNCTION_P (type)) | |
754 | |
755 struct visibility_flags | |
756 { | |
757 unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ | |
758 unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ | |
759 }; | |
760 | |
111 | 761 /* These enumerators are possible types of unsafe conversions. */ |
762 enum conversion_safety { | |
763 /* The conversion is safe. */ | |
764 SAFE_CONVERSION = 0, | |
765 /* Another type of conversion with problems. */ | |
766 UNSAFE_OTHER, | |
767 /* Conversion between signed and unsigned integers | |
768 which are all warned about immediately, so this is unused. */ | |
769 UNSAFE_SIGN, | |
770 /* Conversions that reduce the precision of reals including conversions | |
771 from reals to integers. */ | |
772 UNSAFE_REAL, | |
773 /* Conversions from complex to reals or integers, that discard imaginary | |
774 component. */ | |
775 UNSAFE_IMAGINARY | |
776 }; | |
777 | |
68 | 778 /* Global visibility options. */ |
779 extern struct visibility_flags visibility_options; | |
780 | |
781 /* Attribute table common to the C front ends. */ | |
782 extern const struct attribute_spec c_common_attribute_table[]; | |
783 extern const struct attribute_spec c_common_format_attribute_table[]; | |
784 | |
785 /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. | |
786 ID is the identifier to use, NAME is the string. | |
787 TYPE_DEP indicates whether it depends on type of the function or not | |
788 (i.e. __PRETTY_FUNCTION__). */ | |
789 | |
790 extern tree (*make_fname_decl) (location_t, tree, int); | |
791 | |
792 /* In c-decl.c and cp/tree.c. FIXME. */ | |
793 extern void c_register_addr_space (const char *str, addr_space_t as); | |
794 | |
795 /* In c-common.c. */ | |
796 extern bool in_late_binary_op; | |
797 extern const char *c_addr_space_name (addr_space_t as); | |
798 extern tree identifier_global_value (tree); | |
111 | 799 extern tree c_linkage_bindings (tree); |
68 | 800 extern void record_builtin_type (enum rid, const char *, tree); |
801 extern tree build_void_list_node (void); | |
802 extern void start_fname_decls (void); | |
803 extern void finish_fname_decls (void); | |
804 extern const char *fname_as_string (int); | |
805 extern tree fname_decl (location_t, unsigned, tree); | |
806 | |
111 | 807 extern int check_user_alignment (const_tree, bool); |
808 extern bool check_function_arguments (location_t loc, const_tree, const_tree, | |
809 int, tree *, vec<location_t> *); | |
68 | 810 extern void check_function_arguments_recurse (void (*) |
811 (void *, tree, | |
812 unsigned HOST_WIDE_INT), | |
813 void *, tree, | |
814 unsigned HOST_WIDE_INT); | |
111 | 815 extern bool check_builtin_function_arguments (location_t, vec<location_t>, |
816 tree, int, tree *); | |
817 extern void check_function_format (tree, int, tree *, vec<location_t> *); | |
818 extern bool attribute_fallthrough_p (tree); | |
68 | 819 extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
820 extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
821 extern bool c_common_handle_option (size_t, const char *, int, int, location_t, | |
822 const struct cl_option_handlers *); | |
111 | 823 extern bool default_handle_c_option (size_t, const char *, int); |
824 extern tree c_common_type_for_mode (machine_mode, int); | |
68 | 825 extern tree c_common_type_for_size (unsigned int, int); |
826 extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, | |
827 int, int); | |
828 extern tree c_common_unsigned_type (tree); | |
829 extern tree c_common_signed_type (tree); | |
830 extern tree c_common_signed_or_unsigned_type (int, tree); | |
111 | 831 extern void c_common_init_ts (void); |
68 | 832 extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
111 | 833 extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, tree, |
834 bool); | |
68 | 835 extern bool decl_with_nonnull_addr_p (const_tree); |
836 extern tree c_fully_fold (tree, bool, bool *); | |
837 extern tree c_wrap_maybe_const (tree, bool); | |
838 extern tree c_common_truthvalue_conversion (location_t, tree); | |
839 extern void c_apply_type_quals_to_decl (int, tree); | |
111 | 840 extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
68 | 841 extern tree c_alignof_expr (location_t, tree); |
842 /* Print an error message for invalid operands to arith operation CODE. | |
843 NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
111 | 844 extern void binary_op_error (rich_location *, enum tree_code, tree, tree); |
68 | 845 extern tree fix_string_type (tree); |
111 | 846 extern tree convert_and_check (location_t, tree, tree); |
68 | 847 extern bool c_determine_visibility (tree); |
111 | 848 extern bool vector_types_compatible_elements_p (tree, tree); |
68 | 849 extern void mark_valid_location_for_stdc_pragma (bool); |
850 extern bool valid_location_for_stdc_pragma_p (void); | |
851 extern void set_float_const_decimal64 (void); | |
852 extern void clear_float_const_decimal64 (void); | |
853 extern bool float_const_decimal64_p (void); | |
854 | |
855 extern bool keyword_begins_type_specifier (enum rid); | |
856 extern bool keyword_is_storage_class_specifier (enum rid); | |
857 extern bool keyword_is_type_qualifier (enum rid); | |
858 extern bool keyword_is_decl_specifier (enum rid); | |
111 | 859 extern unsigned max_align_t_align (void); |
860 extern bool cxx_fundamental_alignment_p (unsigned); | |
861 extern bool pointer_to_zero_sized_aggr_p (tree); | |
862 extern bool bool_promoted_to_int_p (tree); | |
863 extern tree fold_for_warn (tree); | |
864 extern tree c_common_get_narrower (tree, int *); | |
865 extern bool get_nonnull_operand (tree, unsigned HOST_WIDE_INT *); | |
68 | 866 |
111 | 867 #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
868 #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) | |
68 | 869 |
870 /* Subroutine of build_binary_op, used for certain operations. */ | |
871 extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); | |
872 | |
873 /* Subroutine of build_binary_op, used for comparison operations. | |
874 See if the operands have both been converted from subword integer types | |
875 and, if so, perhaps change them both back to their original type. */ | |
111 | 876 extern tree shorten_compare (location_t, tree *, tree *, tree *, |
877 enum tree_code *); | |
68 | 878 |
111 | 879 extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
880 bool = true); | |
68 | 881 |
882 /* Add qualifiers to a type, in the fashion for C. */ | |
111 | 883 extern tree c_build_qualified_type (tree, int, tree = NULL_TREE, size_t = 0); |
68 | 884 |
885 /* Build tree nodes and builtin functions common to both C and C++ language | |
886 frontends. */ | |
887 extern void c_common_nodes_and_builtins (void); | |
888 | |
889 extern void disable_builtin_function (const char *); | |
890 | |
891 extern void set_compound_literal_name (tree decl); | |
892 | |
893 extern tree build_va_arg (location_t, tree, tree); | |
894 | |
895 extern const unsigned int c_family_lang_mask; | |
896 extern unsigned int c_common_option_lang_mask (void); | |
111 | 897 extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
68 | 898 extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
899 extern void c_common_init_options_struct (struct gcc_options *); | |
900 extern void c_common_init_options (unsigned int, struct cl_decoded_option *); | |
901 extern bool c_common_post_options (const char **); | |
902 extern bool c_common_init (void); | |
903 extern void c_common_finish (void); | |
904 extern void c_common_parse_file (void); | |
111 | 905 extern FILE *get_dump_info (int, dump_flags_t *); |
68 | 906 extern alias_set_type c_common_get_alias_set (tree); |
907 extern void c_register_builtin_type (tree, const char*); | |
908 extern bool c_promoting_integer_type_p (const_tree); | |
111 | 909 extern bool self_promoting_args_p (const_tree); |
68 | 910 extern tree strip_pointer_operator (tree); |
911 extern tree strip_pointer_or_array_types (tree); | |
912 extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); | |
913 | |
914 /* This is the basic parsing function. */ | |
915 extern void c_parse_file (void); | |
916 | |
111 | 917 extern void c_parse_final_cleanups (void); |
68 | 918 |
919 /* These macros provide convenient access to the various _STMT nodes. */ | |
920 | |
921 /* Nonzero if a given STATEMENT_LIST represents the outermost binding | |
922 if a statement expression. */ | |
923 #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
924 TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
925 | |
926 /* Nonzero if a label has been added to the statement list. */ | |
927 #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
928 TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
929 | |
930 /* C_MAYBE_CONST_EXPR accessors. */ | |
931 #define C_MAYBE_CONST_EXPR_PRE(NODE) \ | |
932 TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) | |
933 #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ | |
934 TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) | |
935 #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ | |
936 TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
937 #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ | |
938 TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
939 #define EXPR_INT_CONST_OPERANDS(EXPR) \ | |
940 (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ | |
941 && (TREE_CODE (EXPR) == INTEGER_CST \ | |
942 || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ | |
943 && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) | |
944 | |
945 /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ | |
946 #define DECL_C_BIT_FIELD(NODE) \ | |
947 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
948 #define SET_DECL_C_BIT_FIELD(NODE) \ | |
949 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
950 #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
951 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
952 | |
953 extern tree do_case (location_t, tree, tree); | |
954 extern tree build_stmt (location_t, enum tree_code, ...); | |
955 extern tree build_real_imag_expr (location_t, enum tree_code, tree); | |
956 | |
957 /* These functions must be defined by each front-end which implements | |
958 a variant of the C language. They are used in c-common.c. */ | |
959 | |
111 | 960 extern tree build_unary_op (location_t, enum tree_code, tree, bool); |
961 extern tree build_binary_op (location_t, enum tree_code, tree, tree, bool); | |
68 | 962 extern tree perform_integral_promotions (tree); |
963 | |
964 /* These functions must be defined by each front-end which implements | |
965 a variant of the C language. They are used by port files. */ | |
966 | |
967 extern tree default_conversion (tree); | |
968 | |
969 /* Given two integer or real types, return the type for their sum. | |
970 Given two compatible ANSI C types, returns the merged type. */ | |
971 | |
972 extern tree common_type (tree, tree); | |
973 | |
974 extern tree decl_constant_value (tree); | |
975 | |
976 /* Handle increment and decrement of boolean types. */ | |
977 extern tree boolean_increment (enum tree_code, tree); | |
978 | |
979 extern int case_compare (splay_tree_key, splay_tree_key); | |
980 | |
111 | 981 extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree, |
982 bool *); | |
68 | 983 |
984 extern tree build_function_call (location_t, tree, tree); | |
985 | |
111 | 986 extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
987 vec<tree, va_gc> *, vec<tree, va_gc> *); | |
68 | 988 |
111 | 989 extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
68 | 990 |
991 extern tree finish_label_address_expr (tree, location_t); | |
992 | |
993 /* Same function prototype, but the C and C++ front ends have | |
994 different implementations. Used in c-common.c. */ | |
995 extern tree lookup_label (tree); | |
996 extern tree lookup_name (tree); | |
997 extern bool lvalue_p (const_tree); | |
998 | |
111 | 999 enum lookup_name_fuzzy_kind { |
1000 /* Names of types. */ | |
1001 FUZZY_LOOKUP_TYPENAME, | |
1002 | |
1003 /* Names of function decls. */ | |
1004 FUZZY_LOOKUP_FUNCTION_NAME, | |
1005 | |
1006 /* Any name. */ | |
1007 FUZZY_LOOKUP_NAME | |
1008 }; | |
1009 extern const char *lookup_name_fuzzy (tree, enum lookup_name_fuzzy_kind); | |
1010 | |
68 | 1011 extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
1012 extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); | |
111 | 1013 extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
68 | 1014 |
1015 extern void init_c_lex (void); | |
1016 | |
1017 extern void c_cpp_builtins (cpp_reader *); | |
1018 extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); | |
111 | 1019 extern bool c_cpp_error (cpp_reader *, int, int, rich_location *, |
68 | 1020 const char *, va_list *) |
111 | 1021 ATTRIBUTE_GCC_DIAG(5,0); |
1022 extern int c_common_has_attribute (cpp_reader *); | |
68 | 1023 |
1024 extern bool parse_optimize_options (tree, bool); | |
1025 | |
1026 /* Positive if an implicit `extern "C"' scope has just been entered; | |
1027 negative if such a scope has just been exited. */ | |
1028 extern GTY(()) int pending_lang_change; | |
1029 | |
1030 /* Information recorded about each file examined during compilation. */ | |
1031 | |
1032 struct c_fileinfo | |
1033 { | |
1034 int time; /* Time spent in the file. */ | |
1035 | |
1036 /* Flags used only by C++. | |
1037 INTERFACE_ONLY nonzero means that we are in an "interface" section | |
1038 of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
1039 the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
1040 INTERFACE_ONLY is zero, it means that we are responsible for | |
1041 exporting definitions that others might need. */ | |
1042 short interface_only; | |
1043 short interface_unknown; | |
1044 }; | |
1045 | |
1046 struct c_fileinfo *get_fileinfo (const char *); | |
1047 extern void dump_time_statistics (void); | |
1048 | |
1049 extern bool c_dump_tree (void *, tree); | |
1050 | |
1051 extern void verify_sequence_points (tree); | |
1052 | |
111 | 1053 extern tree fold_offsetof_1 (tree, tree_code ctx = ERROR_MARK); |
1054 extern tree fold_offsetof (tree); | |
1055 | |
1056 extern int complete_array_type (tree *, tree, bool); | |
1057 | |
1058 extern tree builtin_type_for_size (int, bool); | |
1059 | |
1060 extern void c_common_mark_addressable_vec (tree); | |
1061 | |
1062 extern void set_underlying_type (tree); | |
1063 extern void record_types_used_by_current_var_decl (tree); | |
1064 extern vec<tree, va_gc> *make_tree_vector (void); | |
1065 extern void release_tree_vector (vec<tree, va_gc> *); | |
1066 extern vec<tree, va_gc> *make_tree_vector_single (tree); | |
1067 extern vec<tree, va_gc> *make_tree_vector_from_list (tree); | |
1068 extern vec<tree, va_gc> *make_tree_vector_from_ctor (tree); | |
1069 extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); | |
1070 | |
1071 /* Used for communication between c_common_type_for_mode and | |
1072 c_register_builtin_type. */ | |
1073 extern GTY(()) tree registered_builtin_types; | |
1074 | |
1075 /* Read SOURCE_DATE_EPOCH from environment to have a deterministic | |
1076 timestamp to replace embedded current dates to get reproducible | |
1077 results. Returns -1 if SOURCE_DATE_EPOCH is not defined. */ | |
1078 extern time_t cb_get_source_date_epoch (cpp_reader *pfile); | |
1079 | |
1080 /* The value (as a unix timestamp) corresponds to date | |
1081 "Dec 31 9999 23:59:59 UTC", which is the latest date that __DATE__ and | |
1082 __TIME__ can store. */ | |
1083 #define MAX_SOURCE_DATE_EPOCH HOST_WIDE_INT_C (253402300799) | |
1084 | |
1085 /* Callback for libcpp for offering spelling suggestions for misspelled | |
1086 directives. */ | |
1087 extern const char *cb_get_suggestion (cpp_reader *, const char *, | |
1088 const char *const *); | |
1089 | |
1090 extern GTY(()) string_concat_db *g_string_concat_db; | |
1091 | |
1092 class substring_loc; | |
1093 extern const char *c_get_substring_location (const substring_loc &substr_loc, | |
1094 location_t *out_loc); | |
1095 | |
1096 /* In c-gimplify.c */ | |
1097 extern void c_genericize (tree); | |
1098 extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); | |
1099 extern tree c_build_bind_expr (location_t, tree, tree); | |
1100 | |
1101 /* In c-lex.c. */ | |
1102 extern enum cpp_ttype | |
1103 conflict_marker_get_final_tok_kind (enum cpp_ttype tok1_kind); | |
1104 | |
1105 /* In c-pch.c */ | |
1106 extern void pch_init (void); | |
1107 extern void pch_cpp_save_state (void); | |
1108 extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); | |
1109 extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
1110 const char *orig); | |
1111 extern void c_common_write_pch (void); | |
1112 extern void c_common_no_more_pch (void); | |
1113 extern void c_common_pch_pragma (cpp_reader *pfile, const char *); | |
1114 | |
1115 /* In *-checksum.c */ | |
1116 extern const unsigned char executable_checksum[16]; | |
1117 | |
1118 /* In c-cppbuiltin.c */ | |
1119 extern void builtin_define_std (const char *macro); | |
1120 extern void builtin_define_with_value (const char *, const char *, int); | |
1121 extern void builtin_define_with_int_value (const char *, HOST_WIDE_INT); | |
1122 extern void builtin_define_type_sizeof (const char *, tree); | |
1123 extern void c_stddef_cpp_builtins (void); | |
1124 extern void fe_file_change (const line_map_ordinary *); | |
1125 extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char, | |
1126 rich_location *richloc); | |
1127 | |
1128 /* In c-ppoutput.c */ | |
1129 extern void init_pp_output (FILE *); | |
1130 extern void preprocess_file (cpp_reader *); | |
1131 extern void pp_file_change (const line_map_ordinary *); | |
1132 extern void pp_dir_change (cpp_reader *, const char *); | |
1133 extern bool check_missing_format_attribute (tree, tree); | |
1134 | |
1135 /* In c-omp.c */ | |
1136 struct omp_clause_mask | |
1137 { | |
1138 inline omp_clause_mask (); | |
1139 inline omp_clause_mask (uint64_t l); | |
1140 inline omp_clause_mask (uint64_t l, uint64_t h); | |
1141 inline omp_clause_mask &operator &= (omp_clause_mask); | |
1142 inline omp_clause_mask &operator |= (omp_clause_mask); | |
1143 inline omp_clause_mask operator ~ () const; | |
1144 inline omp_clause_mask operator & (omp_clause_mask) const; | |
1145 inline omp_clause_mask operator | (omp_clause_mask) const; | |
1146 inline omp_clause_mask operator >> (int); | |
1147 inline omp_clause_mask operator << (int); | |
1148 inline bool operator == (omp_clause_mask) const; | |
1149 inline bool operator != (omp_clause_mask) const; | |
1150 uint64_t low, high; | |
1151 }; | |
1152 | |
1153 inline | |
1154 omp_clause_mask::omp_clause_mask () | |
1155 { | |
1156 } | |
1157 | |
1158 inline | |
1159 omp_clause_mask::omp_clause_mask (uint64_t l) | |
1160 : low (l), high (0) | |
1161 { | |
1162 } | |
1163 | |
1164 inline | |
1165 omp_clause_mask::omp_clause_mask (uint64_t l, uint64_t h) | |
1166 : low (l), high (h) | |
1167 { | |
1168 } | |
1169 | |
1170 inline omp_clause_mask & | |
1171 omp_clause_mask::operator &= (omp_clause_mask b) | |
1172 { | |
1173 low &= b.low; | |
1174 high &= b.high; | |
1175 return *this; | |
1176 } | |
1177 | |
1178 inline omp_clause_mask & | |
1179 omp_clause_mask::operator |= (omp_clause_mask b) | |
1180 { | |
1181 low |= b.low; | |
1182 high |= b.high; | |
1183 return *this; | |
1184 } | |
1185 | |
1186 inline omp_clause_mask | |
1187 omp_clause_mask::operator ~ () const | |
1188 { | |
1189 omp_clause_mask ret (~low, ~high); | |
1190 return ret; | |
1191 } | |
1192 | |
1193 inline omp_clause_mask | |
1194 omp_clause_mask::operator | (omp_clause_mask b) const | |
1195 { | |
1196 omp_clause_mask ret (low | b.low, high | b.high); | |
1197 return ret; | |
1198 } | |
1199 | |
1200 inline omp_clause_mask | |
1201 omp_clause_mask::operator & (omp_clause_mask b) const | |
1202 { | |
1203 omp_clause_mask ret (low & b.low, high & b.high); | |
1204 return ret; | |
1205 } | |
1206 | |
1207 inline omp_clause_mask | |
1208 omp_clause_mask::operator << (int amount) | |
1209 { | |
1210 omp_clause_mask ret; | |
1211 if (amount >= 64) | |
1212 { | |
1213 ret.low = 0; | |
1214 ret.high = low << (amount - 64); | |
1215 } | |
1216 else if (amount == 0) | |
1217 ret = *this; | |
1218 else | |
1219 { | |
1220 ret.low = low << amount; | |
1221 ret.high = (low >> (64 - amount)) | (high << amount); | |
1222 } | |
1223 return ret; | |
1224 } | |
1225 | |
1226 inline omp_clause_mask | |
1227 omp_clause_mask::operator >> (int amount) | |
1228 { | |
1229 omp_clause_mask ret; | |
1230 if (amount >= 64) | |
1231 { | |
1232 ret.low = high >> (amount - 64); | |
1233 ret.high = 0; | |
1234 } | |
1235 else if (amount == 0) | |
1236 ret = *this; | |
1237 else | |
1238 { | |
1239 ret.low = (high << (64 - amount)) | (low >> amount); | |
1240 ret.high = high >> amount; | |
1241 } | |
1242 return ret; | |
1243 } | |
1244 | |
1245 inline bool | |
1246 omp_clause_mask::operator == (omp_clause_mask b) const | |
1247 { | |
1248 return low == b.low && high == b.high; | |
1249 } | |
1250 | |
1251 inline bool | |
1252 omp_clause_mask::operator != (omp_clause_mask b) const | |
1253 { | |
1254 return low != b.low || high != b.high; | |
1255 } | |
1256 | |
1257 #define OMP_CLAUSE_MASK_1 omp_clause_mask (1) | |
1258 | |
1259 enum c_omp_clause_split | |
1260 { | |
1261 C_OMP_CLAUSE_SPLIT_TARGET = 0, | |
1262 C_OMP_CLAUSE_SPLIT_TEAMS, | |
1263 C_OMP_CLAUSE_SPLIT_DISTRIBUTE, | |
1264 C_OMP_CLAUSE_SPLIT_PARALLEL, | |
1265 C_OMP_CLAUSE_SPLIT_FOR, | |
1266 C_OMP_CLAUSE_SPLIT_SIMD, | |
1267 C_OMP_CLAUSE_SPLIT_COUNT, | |
1268 C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR, | |
1269 C_OMP_CLAUSE_SPLIT_TASKLOOP = C_OMP_CLAUSE_SPLIT_FOR | |
1270 }; | |
1271 | |
1272 enum c_omp_region_type | |
1273 { | |
1274 C_ORT_OMP = 1 << 0, | |
1275 C_ORT_CILK = 1 << 1, | |
1276 C_ORT_ACC = 1 << 2, | |
1277 C_ORT_DECLARE_SIMD = 1 << 3, | |
1278 C_ORT_OMP_DECLARE_SIMD = C_ORT_OMP | C_ORT_DECLARE_SIMD | |
1279 }; | |
1280 | |
1281 extern tree c_finish_omp_master (location_t, tree); | |
1282 extern tree c_finish_omp_taskgroup (location_t, tree); | |
1283 extern tree c_finish_omp_critical (location_t, tree, tree, tree); | |
1284 extern tree c_finish_omp_ordered (location_t, tree, tree); | |
1285 extern void c_finish_omp_barrier (location_t); | |
1286 extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, | |
1287 tree, tree, tree, tree, tree, bool, bool, | |
1288 bool = false); | |
1289 extern void c_finish_omp_flush (location_t); | |
1290 extern void c_finish_omp_taskwait (location_t); | |
1291 extern void c_finish_omp_taskyield (location_t); | |
1292 extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, | |
1293 tree, tree, tree, tree); | |
1294 extern bool c_omp_check_loop_iv (tree, tree, walk_tree_lh); | |
1295 extern bool c_omp_check_loop_iv_exprs (location_t, tree, tree, tree, tree, | |
1296 walk_tree_lh); | |
1297 extern tree c_finish_oacc_wait (location_t, tree, tree); | |
1298 extern tree c_oacc_split_loop_clauses (tree, tree *, bool); | |
1299 extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, | |
1300 tree, tree *); | |
1301 extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); | |
1302 extern void c_omp_declare_simd_clauses_to_decls (tree, tree); | |
1303 extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); | |
1304 | |
1305 /* Return next tree in the chain for chain_next walking of tree nodes. */ | |
1306 static inline tree | |
1307 c_tree_chain_next (tree t) | |
1308 { | |
1309 /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different | |
1310 kind of object, never a long chain of nodes. Prefer | |
1311 TYPE_NEXT_VARIANT for types. */ | |
1312 if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) | |
1313 return TYPE_NEXT_VARIANT (t); | |
1314 /* Otherwise, if there is TREE_CHAIN, return it. */ | |
1315 if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) | |
1316 return TREE_CHAIN (t); | |
1317 return NULL; | |
1318 } | |
1319 | |
1320 /* Mask used by tm_stmt_attr. */ | |
1321 #define TM_STMT_ATTR_OUTER 2 | |
1322 #define TM_STMT_ATTR_ATOMIC 4 | |
1323 #define TM_STMT_ATTR_RELAXED 8 | |
1324 | |
1325 /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these | |
1326 are ordered specifically such that more restrictive attributes are | |
1327 at lower bit positions. This fact is known by the C++ tm attribute | |
1328 inheritance code such that least bit extraction (mask & -mask) results | |
1329 in the most restrictive attribute. */ | |
1330 #define TM_ATTR_SAFE 1 | |
1331 #define TM_ATTR_CALLABLE 2 | |
1332 #define TM_ATTR_PURE 4 | |
1333 #define TM_ATTR_IRREVOCABLE 8 | |
1334 #define TM_ATTR_MAY_CANCEL_OUTER 16 | |
1335 | |
1336 /* A suffix-identifier value doublet that represents user-defined literals | |
1337 for C++-0x. */ | |
1338 enum overflow_type { | |
1339 OT_UNDERFLOW = -1, | |
1340 OT_NONE, | |
1341 OT_OVERFLOW | |
1342 }; | |
1343 | |
1344 struct GTY(()) tree_userdef_literal { | |
1345 struct tree_base base; | |
1346 tree suffix_id; | |
1347 tree value; | |
1348 tree num_string; | |
1349 enum overflow_type overflow; | |
1350 }; | |
1351 | |
1352 #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ | |
1353 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) | |
1354 | |
1355 #define USERDEF_LITERAL_VALUE(NODE) \ | |
1356 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) | |
1357 | |
1358 #define USERDEF_LITERAL_OVERFLOW(NODE) \ | |
1359 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) | |
1360 | |
1361 #define USERDEF_LITERAL_NUM_STRING(NODE) \ | |
1362 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) | |
1363 | |
1364 #define USERDEF_LITERAL_TYPE(NODE) \ | |
1365 (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) | |
1366 | |
1367 extern tree build_userdef_literal (tree suffix_id, tree value, | |
1368 enum overflow_type overflow, | |
1369 tree num_string); | |
1370 | |
1371 extern bool convert_vector_to_array_for_subscript (location_t, tree *, tree); | |
1372 | |
1373 /* Possibe cases of scalar_to_vector conversion. */ | |
1374 enum stv_conv { | |
1375 stv_error, /* Error occurred. */ | |
1376 stv_nothing, /* Nothing happened. */ | |
1377 stv_firstarg, /* First argument must be expanded. */ | |
1378 stv_secondarg /* Second argument must be expanded. */ | |
1379 }; | |
1380 | |
1381 extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, | |
1382 tree op0, tree op1, bool); | |
1383 | |
1384 /* In c-cilkplus.c */ | |
1385 extern tree c_validate_cilk_plus_loop (tree *, int *, void *); | |
1386 extern bool c_check_cilk_loop (location_t, tree); | |
1387 | |
1388 /* These #defines allow users to access different operands of the | |
1389 array notation tree. */ | |
1390 | |
1391 #define ARRAY_NOTATION_CHECK(NODE) TREE_CHECK (NODE, ARRAY_NOTATION_REF) | |
1392 #define ARRAY_NOTATION_ARRAY(NODE) \ | |
1393 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 0) | |
1394 #define ARRAY_NOTATION_START(NODE) \ | |
1395 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 1) | |
1396 #define ARRAY_NOTATION_LENGTH(NODE) \ | |
1397 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 2) | |
1398 #define ARRAY_NOTATION_STRIDE(NODE) \ | |
1399 TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 3) | |
1400 | |
1401 /* This structure holds all the scalar values and its appropriate variable | |
1402 replacment. It is mainly used by the function that pulls all the invariant | |
1403 parts that should be executed only once, which comes with array notation | |
1404 expressions. */ | |
1405 struct inv_list | |
1406 { | |
1407 vec<tree, va_gc> *list_values; | |
1408 vec<tree, va_gc> *replacement; | |
1409 vec<enum tree_code, va_gc> *additional_tcodes; | |
1410 }; | |
1411 | |
1412 /* This structure holds all the important components that can be extracted | |
1413 from an ARRAY_NOTATION_REF expression. It is used to pass array notation | |
1414 information between the functions that are responsible for expansion. */ | |
1415 typedef struct cilkplus_an_parts | |
1416 { | |
1417 tree value; | |
1418 tree start; | |
1419 tree length; | |
1420 tree stride; | |
1421 bool is_vector; | |
1422 } an_parts; | |
1423 | |
1424 /* This structure holds the components necessary to create the loop around | |
1425 the ARRAY_REF that is created using the ARRAY_NOTATION information. */ | |
1426 | |
1427 typedef struct cilkplus_an_loop_parts | |
1428 { | |
1429 tree var; /* Loop induction variable. */ | |
1430 tree incr; /* Loop increment/decrement expression. */ | |
1431 tree cmp; /* Loop condition. */ | |
1432 tree ind_init; /* Initialization of the loop induction variable. */ | |
1433 } an_loop_parts; | |
1434 | |
1435 /* In array-notation-common.c. */ | |
1436 extern HOST_WIDE_INT extract_sec_implicit_index_arg (location_t, tree); | |
1437 extern bool is_sec_implicit_index_fn (tree); | |
1438 extern void array_notation_init_builtins (void); | |
1439 extern struct c_expr fix_array_notation_expr (location_t, enum tree_code, | |
1440 struct c_expr); | |
1441 extern bool contains_array_notation_expr (tree); | |
1442 extern tree expand_array_notation_exprs (tree); | |
1443 extern tree fix_conditional_array_notations (tree); | |
1444 extern tree find_correct_array_notation_type (tree); | |
1445 extern bool length_mismatch_in_expr_p (location_t, vec<vec<an_parts> >); | |
1446 extern enum built_in_function is_cilkplus_reduce_builtin (tree); | |
1447 extern bool find_rank (location_t, tree, tree, bool, size_t *); | |
1448 extern void extract_array_notation_exprs (tree, bool, vec<tree, va_gc> **); | |
1449 extern void replace_array_notations (tree *, bool, vec<tree, va_gc> *, | |
1450 vec<tree, va_gc> *); | |
1451 extern tree find_inv_trees (tree *, int *, void *); | |
1452 extern tree replace_inv_trees (tree *, int *, void *); | |
1453 extern tree find_correct_array_notation_type (tree op); | |
1454 extern void cilkplus_extract_an_triplets (vec<tree, va_gc> *, size_t, size_t, | |
1455 vec<vec<an_parts> > *); | |
1456 extern vec <tree, va_gc> *fix_sec_implicit_args | |
1457 (location_t, vec <tree, va_gc> *, vec<an_loop_parts>, size_t, tree); | |
1458 extern bool is_cilkplus_vector_p (tree); | |
1459 | |
1460 /* In cilk.c. */ | |
1461 extern tree insert_cilk_frame (tree); | |
1462 extern void cilk_init_builtins (void); | |
1463 extern int gimplify_cilk_spawn (tree *); | |
1464 extern void cilk_install_body_with_frame_cleanup (tree, tree, void *); | |
1465 extern bool cilk_detect_spawn_and_unwrap (tree *); | |
1466 extern bool cilk_set_spawn_marker (location_t, tree); | |
1467 extern tree build_cilk_sync (void); | |
1468 extern tree build_cilk_spawn (location_t, tree); | |
1469 extern tree make_cilk_frame (tree); | |
1470 extern tree create_cilk_function_exit (tree, bool, bool); | |
1471 extern void cilk_outline (tree, tree *, void *); | |
1472 extern bool contains_cilk_spawn_stmt (tree); | |
1473 extern tree cilk_for_number_of_iterations (tree); | |
1474 extern bool check_no_cilk (tree, const char *, const char *, | |
1475 location_t loc = UNKNOWN_LOCATION); | |
1476 extern bool reject_gcc_builtin (const_tree, location_t = UNKNOWN_LOCATION); | |
1477 extern bool valid_array_size_p (location_t, tree, tree); | |
1478 | |
1479 extern bool cilk_ignorable_spawn_rhs_op (tree); | |
1480 extern bool cilk_recognize_spawn (tree, tree *); | |
1481 | |
1482 /* In c-warn.c. */ | |
1483 extern void constant_expression_warning (tree); | |
1484 extern void constant_expression_error (tree); | |
1485 extern void overflow_warning (location_t, tree, tree = NULL_TREE); | |
1486 extern void warn_logical_operator (location_t, enum tree_code, tree, | |
1487 enum tree_code, tree, enum tree_code, tree); | |
1488 extern void warn_tautological_cmp (location_t, enum tree_code, tree, tree); | |
1489 extern void warn_logical_not_parentheses (location_t, enum tree_code, tree, | |
1490 tree); | |
1491 extern bool warn_if_unused_value (const_tree, location_t); | |
1492 extern bool strict_aliasing_warning (tree, tree, tree); | |
1493 extern void sizeof_pointer_memaccess_warning (location_t *, tree, | |
1494 vec<tree, va_gc> *, tree *, | |
1495 bool (*) (tree, tree)); | |
1496 extern void check_main_parameter_types (tree decl); | |
1497 extern void warnings_for_convert_and_check (location_t, tree, tree, tree); | |
1498 extern void c_do_switch_warnings (splay_tree, location_t, tree, tree, bool, | |
1499 bool); | |
1500 extern void warn_for_omitted_condop (location_t, tree); | |
1501 extern void warn_for_restrict (unsigned, tree *, unsigned); | |
68 | 1502 |
1503 /* Places where an lvalue, or modifiable lvalue, may be required. | |
1504 Used to select diagnostic messages in lvalue_error and | |
1505 readonly_error. */ | |
1506 enum lvalue_use { | |
1507 lv_assign, | |
1508 lv_increment, | |
1509 lv_decrement, | |
1510 lv_addressof, | |
1511 lv_asm | |
1512 }; | |
1513 | |
1514 extern void lvalue_error (location_t, enum lvalue_use); | |
1515 extern void invalid_indirection_error (location_t, tree, ref_operator); | |
111 | 1516 extern void readonly_error (location_t, tree, enum lvalue_use); |
1517 extern void warn_array_subscript_with_type_char (location_t, tree); | |
1518 extern void warn_about_parentheses (location_t, | |
1519 enum tree_code, | |
68 | 1520 enum tree_code, tree, |
1521 enum tree_code, tree); | |
1522 extern void warn_for_unused_label (tree label); | |
1523 extern void warn_for_div_by_zero (location_t, tree divisor); | |
111 | 1524 extern void warn_for_memset (location_t, tree, tree, int); |
68 | 1525 extern void warn_for_sign_compare (location_t, |
1526 tree orig_op0, tree orig_op1, | |
1527 tree op0, tree op1, | |
1528 tree result_type, | |
1529 enum tree_code resultcode); | |
111 | 1530 extern void do_warn_double_promotion (tree, tree, tree, const char *, |
68 | 1531 location_t); |
111 | 1532 extern void do_warn_unused_parameter (tree); |
1533 extern void record_locally_defined_typedef (tree); | |
1534 extern void maybe_record_typedef_use (tree); | |
1535 extern void maybe_warn_unused_local_typedefs (void); | |
1536 extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); | |
1537 extern bool maybe_warn_shift_overflow (location_t, tree, tree); | |
1538 extern void warn_duplicated_cond_add_or_warn (location_t, tree, vec<tree> **); | |
1539 extern bool diagnose_mismatched_attributes (tree, tree); | |
1540 extern tree do_warn_duplicated_branches_r (tree *, int *, void *); | |
1541 extern void warn_for_multistatement_macros (location_t, location_t, | |
1542 location_t, enum rid); | |
68 | 1543 |
111 | 1544 /* In c-attribs.c. */ |
1545 extern bool attribute_takes_identifier_p (const_tree); | |
1546 extern tree handle_unused_attribute (tree *, tree, tree, int, bool *); | |
1547 extern int parse_tm_stmt_attr (tree, int); | |
1548 extern int tm_attr_to_mask (tree); | |
1549 extern tree tm_mask_to_attr (int); | |
1550 extern tree find_tm_attribute (tree); | |
68 | 1551 |
111 | 1552 extern enum flt_eval_method |
1553 excess_precision_mode_join (enum flt_eval_method, enum flt_eval_method); | |
68 | 1554 |
111 | 1555 extern int c_flt_eval_method (bool ts18661_p); |
1556 extern void add_no_sanitize_value (tree node, unsigned int flags); | |
1557 | |
1558 extern void maybe_add_include_fixit (rich_location *, const char *); | |
1559 extern void maybe_suggest_missing_token_insertion (rich_location *richloc, | |
1560 enum cpp_ttype token_type, | |
1561 location_t prev_token_loc); | |
68 | 1562 |
111 | 1563 #if CHECKING_P |
1564 namespace selftest { | |
1565 /* Declarations for specific families of tests within c-family, | |
1566 by source file, in alphabetical order. */ | |
1567 extern void c_format_c_tests (void); | |
68 | 1568 |
111 | 1569 /* The entrypoint for running all of the above tests. */ |
1570 extern void c_family_tests (void); | |
1571 } // namespace selftest | |
1572 #endif /* #if CHECKING_P */ | |
68 | 1573 |
1574 #endif /* ! GCC_C_COMMON_H */ |