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7f4edbcb | 1 | /* Definitions for c-common.c. |
85ec4feb | 2 | Copyright (C) 1987-2018 Free Software Foundation, Inc. |
7f4edbcb | 3 | |
1322177d | 4 | This file is part of GCC. |
7f4edbcb | 5 | |
1322177d LB |
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 | |
9dcd6f09 | 8 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 9 | version. |
7f4edbcb | 10 | |
1322177d LB |
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. | |
7f4edbcb BS |
15 | |
16 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
7f4edbcb | 19 | |
0e5921e8 ZW |
20 | #ifndef GCC_C_COMMON_H |
21 | #define GCC_C_COMMON_H | |
22 | ||
8f17b5c5 | 23 | #include "splay-tree.h" |
2a967f3d | 24 | #include "cpplib.h" |
40e23961 | 25 | #include "alias.h" |
532aafad | 26 | #include "tree.h" |
40e23961 | 27 | #include "fold-const.h" |
eece7fe5 | 28 | #include "wide-int-bitmask.h" |
8f17b5c5 | 29 | |
59cc9210 SB |
30 | /* In order for the format checking to accept the C frontend |
31 | diagnostic framework extensions, you must include this file before | |
718f9c0f | 32 | diagnostic-core.h, not after. The C front end formats are a subset of those |
59cc9210 SB |
33 | for C++, so they are the appropriate set to use in common code; |
34 | cp-tree.h overrides this for C++. */ | |
718f9c0f MLI |
35 | #if defined(GCC_DIAGNOSTIC_CORE_H) |
36 | #error \ | |
37 | In order for the format checking to accept the C front end diagnostic \ | |
38 | framework extensions, you must include this file before diagnostic-core.h \ | |
39 | never after. | |
40 | #endif | |
59cc9210 SB |
41 | #ifndef GCC_DIAG_STYLE |
42 | #define GCC_DIAG_STYLE __gcc_cdiag__ | |
43 | #endif | |
44 | #include "diagnostic-core.h" | |
45 | ||
f2c5f623 | 46 | /* Usage of TREE_LANG_FLAG_?: |
3af07c22 | 47 | 0: IDENTIFIER_MARKED (used by search routines). |
928c19bb | 48 | C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
f2c5f623 | 49 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
325c3691 | 50 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
928c19bb | 51 | C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) |
6de9cd9a | 52 | 2: unused |
174283a3 | 53 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
325c3691 | 54 | 4: unused |
f2c5f623 BC |
55 | */ |
56 | ||
0e5921e8 | 57 | /* Reserved identifiers. This is the union of all the keywords for C, |
40f03658 | 58 | C++, and Objective-C. All the type modifiers have to be in one |
0e5921e8 | 59 | block at the beginning, because they are used as mask bits. There |
bbceee64 | 60 | are 28 type modifiers; if we add many more we will have to redesign |
0e5921e8 | 61 | the mask mechanism. */ |
f09f1de5 MM |
62 | |
63 | enum rid | |
64 | { | |
0e5921e8 | 65 | /* Modifiers: */ |
2ba84f36 | 66 | /* C, in empirical order of frequency. */ |
0e5921e8 ZW |
67 | RID_STATIC = 0, |
68 | RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, | |
69 | RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, | |
70 | RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, | |
267bac10 | 71 | RID_NORETURN, RID_ATOMIC, |
0e5921e8 ZW |
72 | |
73 | /* C extensions */ | |
ab22c1fa | 74 | RID_COMPLEX, RID_THREAD, RID_SAT, |
0e5921e8 ZW |
75 | |
76 | /* C++ */ | |
77 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
78 | ||
1973201f NP |
79 | /* ObjC ("PQ" reserved words - they do not appear after a '@' and |
80 | are keywords only in specific contexts) */ | |
b8363a24 | 81 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
0e5921e8 | 82 | |
668ea4b1 IS |
83 | /* ObjC ("PATTR" reserved words - they do not appear after a '@' |
84 | and are keywords only as property attributes) */ | |
200290f2 NP |
85 | RID_GETTER, RID_SETTER, |
86 | RID_READONLY, RID_READWRITE, | |
87 | RID_ASSIGN, RID_RETAIN, RID_COPY, | |
200290f2 | 88 | RID_NONATOMIC, |
668ea4b1 | 89 | |
fa5da7de JM |
90 | /* C (reserved and imaginary types not implemented, so any use is a |
91 | syntax error) */ | |
92 | RID_IMAGINARY, | |
93 | ||
0e5921e8 ZW |
94 | /* C */ |
95 | RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, | |
96 | RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, | |
97 | RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, | |
98 | RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, | |
99 | RID_SIZEOF, | |
100 | ||
101 | /* C extensions */ | |
102 | RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, | |
da5b307a | 103 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
f90e8e2e | 104 | RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
3ca0dc60 | 105 | RID_BUILTIN_TGMATH, |
9a8ce21f | 106 | RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
c65699ef JM |
107 | |
108 | /* TS 18661-3 keywords, in the same sequence as the TI_* values. */ | |
109 | RID_FLOAT16, | |
110 | RID_FLOATN_NX_FIRST = RID_FLOAT16, | |
111 | RID_FLOAT32, | |
112 | RID_FLOAT64, | |
113 | RID_FLOAT128, | |
114 | RID_FLOAT32X, | |
115 | RID_FLOAT64X, | |
116 | RID_FLOAT128X, | |
117 | #define CASE_RID_FLOATN_NX \ | |
118 | case RID_FLOAT16: case RID_FLOAT32: case RID_FLOAT64: case RID_FLOAT128: \ | |
119 | case RID_FLOAT32X: case RID_FLOAT64X: case RID_FLOAT128X | |
120 | ||
74893f25 | 121 | RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, |
0e5921e8 | 122 | |
1ee62b92 PG |
123 | /* "__GIMPLE", for the GIMPLE-parsing extension to the C frontend. */ |
124 | RID_GIMPLE, | |
125 | ||
126 | /* "__PHI", for parsing PHI function in GIMPLE FE. */ | |
127 | RID_PHI, | |
128 | ||
c2e84327 DM |
129 | /* "__RTL", for the RTL-parsing extension to the C frontend. */ |
130 | RID_RTL, | |
131 | ||
48b0b196 | 132 | /* C11 */ |
433cc7b0 | 133 | RID_ALIGNAS, RID_GENERIC, |
d19fa6b5 | 134 | |
eea1139b ILT |
135 | /* This means to warn that this is a C++ keyword, and then treat it |
136 | as a normal identifier. */ | |
137 | RID_CXX_COMPAT_WARN, | |
138 | ||
0a35513e AH |
139 | /* GNU transactional memory extension */ |
140 | RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, | |
141 | ||
0ba8a114 NS |
142 | /* Too many ways of getting the name of a function as a string */ |
143 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
144 | ||
1973201f NP |
145 | /* C++ (some of these are keywords in Objective-C as well, but only |
146 | if they appear after a '@') */ | |
0e5921e8 ZW |
147 | RID_BOOL, RID_WCHAR, RID_CLASS, |
148 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
149 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
150 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
c22cacf3 MS |
151 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
152 | RID_THIS, RID_THROW, RID_TRUE, | |
153 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
b6baa67d | 154 | RID_USING, RID_CHAR16, RID_CHAR32, |
0e5921e8 ZW |
155 | |
156 | /* casts */ | |
157 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
158 | ||
cb68ec50 | 159 | /* C++ extensions */ |
e16f1cc7 JJ |
160 | RID_ADDRESSOF, RID_BASES, |
161 | RID_BUILTIN_LAUNDER, RID_DIRECT_BASES, | |
cb68ec50 PC |
162 | RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
163 | RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, | |
164 | RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, | |
342cfb3e JJ |
165 | RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_UNIQUE_OBJ_REPRESENTATIONS, |
166 | RID_HAS_VIRTUAL_DESTRUCTOR, | |
af88f557 JJ |
167 | RID_IS_ABSTRACT, RID_IS_AGGREGATE, |
168 | RID_IS_BASE_OF, RID_IS_CLASS, | |
cb68ec50 | 169 | RID_IS_EMPTY, RID_IS_ENUM, |
b3908fcc JW |
170 | RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
171 | RID_IS_POD, RID_IS_POLYMORPHIC, | |
971e17ff | 172 | RID_IS_SAME_AS, |
b3908fcc | 173 | RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, |
dd5d5481 | 174 | RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
b752325e | 175 | RID_IS_TRIVIALLY_COPYABLE, |
b3908fcc | 176 | RID_IS_UNION, RID_UNDERLYING_TYPE, |
b42cc3ca | 177 | RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE, |
cb68ec50 | 178 | |
b3908fcc | 179 | /* C++11 */ |
0a766368 | 180 | RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
218f0015 | 181 | |
971e17ff AS |
182 | /* C++ concepts */ |
183 | RID_CONCEPT, RID_REQUIRES, | |
184 | ||
b8fd7909 JM |
185 | /* C++ transactional memory. */ |
186 | RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED, | |
187 | ||
1973201f NP |
188 | /* Objective-C ("AT" reserved words - they are only keywords when |
189 | they follow '@') */ | |
3a3589b4 | 190 | RID_AT_ENCODE, RID_AT_END, |
0e5921e8 | 191 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
c37d8c30 | 192 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, |
c22cacf3 | 193 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
264fa2db | 194 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
92902b1b | 195 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, |
668ea4b1 | 196 | RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, |
da57d1b9 | 197 | RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, |
264fa2db | 198 | RID_AT_INTERFACE, |
0e5921e8 ZW |
199 | RID_AT_IMPLEMENTATION, |
200 | ||
36c5e70a BE |
201 | /* Named address support, mapping the keyword to a particular named address |
202 | number. Named address space 0 is reserved for the generic address. If | |
203 | there are more than 254 named addresses, the addr_space_t type will need | |
204 | to be grown from an unsigned char to unsigned short. */ | |
205 | RID_ADDR_SPACE_0, /* generic address */ | |
206 | RID_ADDR_SPACE_1, | |
207 | RID_ADDR_SPACE_2, | |
208 | RID_ADDR_SPACE_3, | |
209 | RID_ADDR_SPACE_4, | |
210 | RID_ADDR_SPACE_5, | |
211 | RID_ADDR_SPACE_6, | |
212 | RID_ADDR_SPACE_7, | |
213 | RID_ADDR_SPACE_8, | |
214 | RID_ADDR_SPACE_9, | |
215 | RID_ADDR_SPACE_10, | |
216 | RID_ADDR_SPACE_11, | |
217 | RID_ADDR_SPACE_12, | |
218 | RID_ADDR_SPACE_13, | |
219 | RID_ADDR_SPACE_14, | |
220 | RID_ADDR_SPACE_15, | |
221 | ||
222 | RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, | |
223 | RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, | |
224 | ||
78a7c317 DD |
225 | /* __intN keywords. The _N_M here doesn't correspond to the intN |
226 | in the keyword; use the bitsize in int_n_t_data_t[M] for that. | |
227 | For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 | |
228 | is for __int13. */ | |
229 | ||
230 | /* Note that the range to use is RID_FIRST_INT_N through | |
231 | RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of | |
232 | all RID_INT_N_* in a case statement. */ | |
233 | ||
234 | RID_INT_N_0, | |
235 | RID_INT_N_1, | |
236 | RID_INT_N_2, | |
237 | RID_INT_N_3, | |
238 | ||
239 | RID_FIRST_INT_N = RID_INT_N_0, | |
240 | RID_LAST_INT_N = RID_INT_N_3, | |
241 | ||
0e5921e8 ZW |
242 | RID_MAX, |
243 | ||
244 | RID_FIRST_MODIFIER = RID_STATIC, | |
b8363a24 ZW |
245 | RID_LAST_MODIFIER = RID_ONEWAY, |
246 | ||
36a85135 JM |
247 | RID_FIRST_CXX11 = RID_CONSTEXPR, |
248 | RID_LAST_CXX11 = RID_STATIC_ASSERT, | |
b8363a24 ZW |
249 | RID_FIRST_AT = RID_AT_ENCODE, |
250 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
251 | RID_FIRST_PQ = RID_IN, | |
668ea4b1 | 252 | RID_LAST_PQ = RID_ONEWAY, |
200290f2 NP |
253 | RID_FIRST_PATTR = RID_GETTER, |
254 | RID_LAST_PATTR = RID_NONATOMIC | |
f09f1de5 MM |
255 | }; |
256 | ||
b8363a24 | 257 | #define OBJC_IS_AT_KEYWORD(rid) \ |
3f75a254 JM |
258 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
259 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
b8363a24 ZW |
260 | |
261 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
3f75a254 JM |
262 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
263 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
b8363a24 | 264 | |
668ea4b1 IS |
265 | #define OBJC_IS_PATTR_KEYWORD(rid) \ |
266 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ | |
267 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) | |
268 | ||
1973201f NP |
269 | /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as |
270 | 'class') which are shared in a subtle way between Objective-C and | |
271 | C++. When the lexer is lexing in Objective-C/Objective-C++, if it | |
272 | finds '@' followed by one of these identifiers (eg, '@class'), it | |
273 | recognizes the whole as an Objective-C keyword. If the identifier | |
274 | is found elsewhere, it follows the rules of the C/C++ language. | |
275 | */ | |
276 | #define OBJC_IS_CXX_KEYWORD(rid) \ | |
b8fd7909 | 277 | (rid == RID_CLASS || rid == RID_SYNCHRONIZED \ |
1973201f NP |
278 | || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ |
279 | || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) | |
280 | ||
f09f1de5 MM |
281 | /* The elements of `ridpointers' are identifier nodes for the reserved |
282 | type names and storage classes. It is indexed by a RID_... value. */ | |
3f75a254 | 283 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
f09f1de5 | 284 | |
7f4edbcb BS |
285 | /* Standard named or nameless data types of the C compiler. */ |
286 | ||
287 | enum c_tree_index | |
288 | { | |
b6baa67d KVH |
289 | CTI_CHAR16_TYPE, |
290 | CTI_CHAR32_TYPE, | |
7f4edbcb | 291 | CTI_WCHAR_TYPE, |
207bf79d | 292 | CTI_UNDERLYING_WCHAR_TYPE, |
c5ab7f91 | 293 | CTI_WINT_TYPE, |
cd732418 JM |
294 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
295 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
b15ad712 JM |
296 | CTI_INTMAX_TYPE, |
297 | CTI_UINTMAX_TYPE, | |
7f4edbcb BS |
298 | CTI_WIDEST_INT_LIT_TYPE, |
299 | CTI_WIDEST_UINT_LIT_TYPE, | |
300 | ||
207bf79d JM |
301 | /* Types for <stdint.h>, that may not be defined on all |
302 | targets. */ | |
303 | CTI_SIG_ATOMIC_TYPE, | |
304 | CTI_INT8_TYPE, | |
305 | CTI_INT16_TYPE, | |
306 | CTI_INT32_TYPE, | |
307 | CTI_INT64_TYPE, | |
308 | CTI_UINT8_TYPE, | |
309 | CTI_UINT16_TYPE, | |
310 | CTI_UINT32_TYPE, | |
311 | CTI_UINT64_TYPE, | |
312 | CTI_INT_LEAST8_TYPE, | |
313 | CTI_INT_LEAST16_TYPE, | |
314 | CTI_INT_LEAST32_TYPE, | |
315 | CTI_INT_LEAST64_TYPE, | |
316 | CTI_UINT_LEAST8_TYPE, | |
317 | CTI_UINT_LEAST16_TYPE, | |
318 | CTI_UINT_LEAST32_TYPE, | |
319 | CTI_UINT_LEAST64_TYPE, | |
320 | CTI_INT_FAST8_TYPE, | |
321 | CTI_INT_FAST16_TYPE, | |
322 | CTI_INT_FAST32_TYPE, | |
323 | CTI_INT_FAST64_TYPE, | |
324 | CTI_UINT_FAST8_TYPE, | |
325 | CTI_UINT_FAST16_TYPE, | |
326 | CTI_UINT_FAST32_TYPE, | |
327 | CTI_UINT_FAST64_TYPE, | |
328 | CTI_INTPTR_TYPE, | |
329 | CTI_UINTPTR_TYPE, | |
330 | ||
7f4edbcb | 331 | CTI_CHAR_ARRAY_TYPE, |
b6baa67d KVH |
332 | CTI_CHAR16_ARRAY_TYPE, |
333 | CTI_CHAR32_ARRAY_TYPE, | |
7f4edbcb | 334 | CTI_WCHAR_ARRAY_TYPE, |
7f4edbcb BS |
335 | CTI_STRING_TYPE, |
336 | CTI_CONST_STRING_TYPE, | |
337 | ||
19552aa5 | 338 | /* Type for boolean expressions (bool in C++, int in C). */ |
de7df9eb JM |
339 | CTI_TRUTHVALUE_TYPE, |
340 | CTI_TRUTHVALUE_TRUE, | |
341 | CTI_TRUTHVALUE_FALSE, | |
342 | ||
7f4edbcb | 343 | CTI_DEFAULT_FUNCTION_TYPE, |
7f4edbcb | 344 | |
2ba84f36 | 345 | /* These are not types, but we have to look them up all the time. */ |
0ba8a114 NS |
346 | CTI_FUNCTION_NAME_DECL, |
347 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
348 | CTI_C99_FUNCTION_NAME_DECL, | |
349 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
c22cacf3 | 350 | |
b2f97e4a MM |
351 | CTI_NULL, |
352 | ||
7f4edbcb BS |
353 | CTI_MAX |
354 | }; | |
355 | ||
5950c3c9 BE |
356 | #define C_CPP_HASHNODE(id) \ |
357 | (&(((struct c_common_identifier *) (id))->node)) | |
d75d71e0 ILT |
358 | #define C_RID_CODE(id) \ |
359 | ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) | |
360 | #define C_SET_RID_CODE(id, code) \ | |
361 | (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) | |
2a967f3d NB |
362 | |
363 | /* Identifier part common to the C front ends. Inherits from | |
364 | tree_identifier, despite appearances. */ | |
d1b38208 | 365 | struct GTY(()) c_common_identifier { |
4f60111f | 366 | struct tree_common common; |
17211ab5 | 367 | struct cpp_hashnode node; |
2a967f3d NB |
368 | }; |
369 | ||
eea1139b ILT |
370 | /* An entry in the reserved keyword table. */ |
371 | ||
372 | struct c_common_resword | |
373 | { | |
374 | const char *const word; | |
375 | ENUM_BITFIELD(rid) const rid : 16; | |
376 | const unsigned int disable : 16; | |
377 | }; | |
378 | ||
8fba1830 BRF |
379 | /* Mode used to build pointers (VOIDmode means ptr_mode). */ |
380 | ||
381 | extern machine_mode c_default_pointer_mode; | |
382 | ||
34429675 JM |
383 | /* Extra cpp_ttype values for C++. */ |
384 | ||
34429675 JM |
385 | /* A token type for template-ids. If a template-id is processed while |
386 | parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; | |
387 | the value of the CPP_TEMPLATE_ID is whatever was returned by | |
388 | cp_parser_template_id. */ | |
389 | #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) | |
390 | ||
391 | /* A token type for nested-name-specifiers. If a | |
392 | nested-name-specifier is processed while parsing tentatively, it is | |
393 | replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the | |
394 | CPP_NESTED_NAME_SPECIFIER is whatever was returned by | |
395 | cp_parser_nested_name_specifier_opt. */ | |
396 | #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) | |
397 | ||
398 | /* A token type for pre-parsed C++0x decltype. */ | |
399 | #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) | |
400 | ||
5f83e90b JM |
401 | /* A token type for pre-parsed primary-expression (lambda- or statement-). */ |
402 | #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) | |
403 | ||
34429675 | 404 | /* The number of token types, including C++-specific ones. */ |
5f83e90b | 405 | #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) |
34429675 | 406 | |
eea1139b ILT |
407 | /* Disable mask. Keywords are disabled if (reswords[i].disable & |
408 | mask) is _true_. Thus for keywords which are present in all | |
409 | languages the disable field is zero. */ | |
410 | ||
411 | #define D_CONLY 0x001 /* C only (not in C++). */ | |
412 | #define D_CXXONLY 0x002 /* C++ only (not in C). */ | |
413 | #define D_C99 0x004 /* In C, C99 only. */ | |
36a85135 | 414 | #define D_CXX11 0x008 /* In C++, C++11 only. */ |
eea1139b ILT |
415 | #define D_EXT 0x010 /* GCC extension. */ |
416 | #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ | |
417 | #define D_ASM 0x040 /* Disabled by -fno-asm. */ | |
418 | #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ | |
419 | #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ | |
420 | #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ | |
971e17ff | 421 | #define D_CXX_CONCEPTS 0x400 /* In C++, only with concepts. */ |
b8fd7909 | 422 | #define D_TRANSMEM 0X800 /* C++ transactional memory TS. */ |
971e17ff AS |
423 | |
424 | #define D_CXX_CONCEPTS_FLAGS D_CXXONLY | D_CXX_CONCEPTS | |
eea1139b ILT |
425 | |
426 | /* The reserved keyword table. */ | |
427 | extern const struct c_common_resword c_common_reswords[]; | |
428 | ||
429 | /* The number of items in the reserved keyword table. */ | |
430 | extern const unsigned int num_c_common_reswords; | |
431 | ||
b6baa67d KVH |
432 | #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
433 | #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] | |
7f4edbcb | 434 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
207bf79d | 435 | #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] |
c5ab7f91 | 436 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
cd732418 JM |
437 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
438 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
b15ad712 JM |
439 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
440 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
7f4edbcb BS |
441 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
442 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
443 | ||
207bf79d JM |
444 | #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] |
445 | #define int8_type_node c_global_trees[CTI_INT8_TYPE] | |
446 | #define int16_type_node c_global_trees[CTI_INT16_TYPE] | |
447 | #define int32_type_node c_global_trees[CTI_INT32_TYPE] | |
448 | #define int64_type_node c_global_trees[CTI_INT64_TYPE] | |
449 | #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] | |
ac868f29 | 450 | #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
207bf79d JM |
451 | #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
452 | #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] | |
453 | #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] | |
454 | #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] | |
455 | #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] | |
456 | #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] | |
457 | #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] | |
458 | #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] | |
459 | #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] | |
460 | #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] | |
461 | #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] | |
462 | #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] | |
463 | #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] | |
464 | #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] | |
465 | #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] | |
466 | #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] | |
467 | #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] | |
468 | #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] | |
469 | #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] | |
470 | #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] | |
471 | ||
de7df9eb JM |
472 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
473 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
474 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
19552aa5 | 475 | |
7f4edbcb | 476 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
b6baa67d KVH |
477 | #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
478 | #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] | |
7f4edbcb | 479 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
7f4edbcb BS |
480 | #define string_type_node c_global_trees[CTI_STRING_TYPE] |
481 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
482 | ||
483 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
7f4edbcb | 484 | |
0ba8a114 NS |
485 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
486 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
487 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
488 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
63ad61ed | 489 | |
b2f97e4a MM |
490 | /* The node for C++ `__null'. */ |
491 | #define null_node c_global_trees[CTI_NULL] | |
492 | ||
e2500fed | 493 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
ab76ca54 | 494 | |
8f17b5c5 MM |
495 | /* Mark which labels are explicitly declared. |
496 | These may be shadowed, and may be referenced from nested functions. */ | |
497 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
498 | ||
a79683d5 | 499 | enum c_language_kind |
ab76ca54 | 500 | { |
d73326ca | 501 | clk_c = 0, /* C90, C94, C99 or C11 */ |
37fa72e9 NB |
502 | clk_objc = 1, /* clk_c with ObjC features. */ |
503 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
504 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
a79683d5 | 505 | }; |
ab76ca54 | 506 | |
37fa72e9 NB |
507 | /* To test for a specific language use c_language, defined by each |
508 | front end. For "ObjC features" or "not C++" use the macros. */ | |
509 | extern c_language_kind c_language; | |
510 | ||
15a15e8d RH |
511 | #define c_dialect_cxx() ((c_language & clk_cxx) != 0) |
512 | #define c_dialect_objc() ((c_language & clk_objc) != 0) | |
37fa72e9 | 513 | |
dd865ef6 | 514 | /* The various name of operator that appears in error messages. */ |
a79683d5 | 515 | enum ref_operator { |
dd865ef6 SZ |
516 | /* NULL */ |
517 | RO_NULL, | |
518 | /* array indexing */ | |
519 | RO_ARRAY_INDEXING, | |
520 | /* unary * */ | |
521 | RO_UNARY_STAR, | |
522 | /* -> */ | |
523 | RO_ARROW, | |
524 | /* implicit conversion */ | |
5e54f81d MG |
525 | RO_IMPLICIT_CONVERSION, |
526 | /* ->* */ | |
527 | RO_ARROW_STAR | |
a79683d5 | 528 | }; |
dd865ef6 | 529 | |
ae499cce MM |
530 | /* Information about a statement tree. */ |
531 | ||
d1b38208 | 532 | struct GTY(()) stmt_tree_s { |
38e01f9e | 533 | /* A stack of statement lists being collected. */ |
9771b263 | 534 | vec<tree, va_gc> *x_cur_stmt_list; |
325c3691 | 535 | |
da7d8304 | 536 | /* In C++, Nonzero if we should treat statements as full |
04f7a48e | 537 | expressions. In particular, this variable is non-zero if at the |
ae499cce MM |
538 | end of a statement we should destroy any temporaries created |
539 | during that statement. Similarly, if, at the end of a block, we | |
540 | should destroy any local variables in this block. Normally, this | |
da7d8304 | 541 | variable is nonzero, since those are the normal semantics of |
ae499cce MM |
542 | C++. |
543 | ||
ae499cce | 544 | This flag has no effect in C. */ |
21c7361e | 545 | int stmts_are_full_exprs_p; |
ae499cce MM |
546 | }; |
547 | ||
548 | typedef struct stmt_tree_s *stmt_tree; | |
549 | ||
550 | /* Global state pertinent to the current function. Some C dialects | |
551 | extend this structure with additional fields. */ | |
552 | ||
d1b38208 | 553 | struct GTY(()) c_language_function { |
ae499cce MM |
554 | /* While we are parsing the function, this contains information |
555 | about the statement-tree that we are building. */ | |
556 | struct stmt_tree_s x_stmt_tree; | |
3797cb21 DS |
557 | |
558 | /* Vector of locally defined typedefs, for | |
559 | -Wunused-local-typedefs. */ | |
9771b263 | 560 | vec<tree, va_gc> *local_typedefs; |
ae499cce MM |
561 | }; |
562 | ||
38e01f9e NF |
563 | #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
564 | ||
35fd3193 | 565 | /* When building a statement-tree, this is the current statement list |
9771b263 DN |
566 | being collected. */ |
567 | #define cur_stmt_list (stmt_list_stack->last ()) | |
38e01f9e | 568 | |
9771b263 | 569 | #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
8f17b5c5 MM |
570 | |
571 | /* Language-specific hooks. */ | |
572 | ||
4684cd27 MM |
573 | /* If non-NULL, this function is called after a precompile header file |
574 | is loaded. */ | |
575 | extern void (*lang_post_pch_load) (void); | |
576 | ||
f75fbaf7 ZW |
577 | extern void push_file_scope (void); |
578 | extern void pop_file_scope (void); | |
35b1a6fa | 579 | extern stmt_tree current_stmt_tree (void); |
325c3691 | 580 | extern tree push_stmt_list (void); |
325c3691 | 581 | extern tree pop_stmt_list (tree); |
35b1a6fa | 582 | extern tree add_stmt (tree); |
325c3691 | 583 | extern void push_cleanup (tree, tree, bool); |
641da50a | 584 | |
32e8bb8e | 585 | extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
c2255bc4 | 586 | location_t, tree, tree); |
dd865ef6 | 587 | extern tree build_indirect_ref (location_t, tree, ref_operator); |
35b1a6fa | 588 | |
58f9752a | 589 | extern bool has_c_linkage (const_tree decl); |
1807ffc1 | 590 | extern bool c_decl_implicit (const_tree); |
17211ab5 | 591 | \f |
4078b403 NB |
592 | /* Switches common to the C front ends. */ |
593 | ||
63973df3 NB |
594 | /* Nonzero means don't output line number information. */ |
595 | ||
596 | extern char flag_no_line_commands; | |
597 | ||
598 | /* Nonzero causes -E output not to be done, but directives such as | |
599 | #define that have side effects are still obeyed. */ | |
600 | ||
601 | extern char flag_no_output; | |
602 | ||
93d45d9e JM |
603 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M', |
604 | 'N' or 'U' of the command line switch. */ | |
63973df3 NB |
605 | |
606 | extern char flag_dump_macros; | |
607 | ||
608 | /* Nonzero means pass #include lines through to the output. */ | |
609 | ||
610 | extern char flag_dump_includes; | |
611 | ||
c0d578e6 GK |
612 | /* Nonzero means process PCH files while preprocessing. */ |
613 | ||
614 | extern bool flag_pch_preprocess; | |
615 | ||
17211ab5 GK |
616 | /* The file name to which we should write a precompiled header, or |
617 | NULL if no header will be written in this compile. */ | |
618 | ||
619 | extern const char *pch_file; | |
620 | ||
3df89291 NB |
621 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
622 | user's namespace. */ | |
17211ab5 | 623 | |
3df89291 NB |
624 | extern int flag_iso; |
625 | ||
4078b403 | 626 | /* C/ObjC language option variables. */ |
b34c7881 | 627 | |
2683ed8d | 628 | |
4078b403 NB |
629 | /* Nonzero means allow type mismatches in conditional expressions; |
630 | just make their values `void'. */ | |
74ff4629 | 631 | |
4078b403 | 632 | extern int flag_cond_mismatch; |
6c36d76b | 633 | |
eaf299c6 | 634 | /* Nonzero means enable C89 Amendment 1 features. */ |
b8458e3e JM |
635 | |
636 | extern int flag_isoc94; | |
637 | ||
48b0b196 | 638 | /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
ab76ca54 MM |
639 | |
640 | extern int flag_isoc99; | |
641 | ||
48b0b196 | 642 | /* Nonzero means use the ISO C11 dialect of C. */ |
2778d766 | 643 | |
48b0b196 | 644 | extern int flag_isoc11; |
2778d766 | 645 | |
6614fd40 | 646 | /* Nonzero means that we have builtin functions, and main is an int. */ |
93e2382f JM |
647 | |
648 | extern int flag_hosted; | |
649 | ||
4078b403 NB |
650 | /* ObjC language option variables. */ |
651 | ||
652 | ||
4078b403 NB |
653 | /* Tells the compiler that this is a special run. Do not perform any |
654 | compiling, instead we are to test some platform dependent features | |
655 | and output a C header file with appropriate definitions. */ | |
656 | ||
657 | extern int print_struct_values; | |
658 | ||
abc88a08 | 659 | /* Tells the compiler what is the constant string class for ObjC. */ |
4078b403 | 660 | |
fd350d24 | 661 | extern const char *constant_string_class_name; |
4078b403 | 662 | |
4078b403 NB |
663 | |
664 | /* C++ language option variables. */ | |
665 | ||
a75f1574 JM |
666 | /* The reference version of the ABI for -Wabi. */ |
667 | ||
668 | extern int warn_abi_version; | |
4078b403 | 669 | |
62984918 | 670 | /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is |
a75f1574 JM |
671 | less than N and the other is at least N. */ |
672 | #define abi_compat_version_crosses(N) \ | |
62984918 JM |
673 | (abi_version_at_least(N) \ |
674 | != (flag_abi_compat_version == 0 \ | |
675 | || flag_abi_compat_version >= (N))) | |
676 | ||
a75f1574 JM |
677 | /* Return TRUE if one of {flag_abi_version,warn_abi_version} is |
678 | less than N and the other is at least N, for use by -Wabi. */ | |
679 | #define abi_version_crosses(N) \ | |
680 | (abi_version_at_least(N) \ | |
681 | != (warn_abi_version == 0 \ | |
682 | || warn_abi_version >= (N))) | |
683 | ||
4078b403 NB |
684 | /* Nonzero means generate separate instantiation control files and |
685 | juggle them at link time. */ | |
686 | ||
687 | extern int flag_use_repository; | |
688 | ||
c1ae8be5 SM |
689 | /* The supported C++ dialects. */ |
690 | ||
691 | enum cxx_dialect { | |
129211bc | 692 | cxx_unset, |
97e3ad20 | 693 | /* C++98 with TC1 */ |
c1ae8be5 | 694 | cxx98, |
97e3ad20 JM |
695 | cxx03 = cxx98, |
696 | /* C++11 */ | |
697 | cxx0x, | |
552b8185 | 698 | cxx11 = cxx0x, |
028aee17 JM |
699 | /* C++14 */ |
700 | cxx14, | |
7b936140 | 701 | /* C++17 */ |
026a79f7 AS |
702 | cxx17, |
703 | /* C++2a (C++20?) */ | |
704 | cxx2a | |
c1ae8be5 | 705 | }; |
966541e3 | 706 | |
c1ae8be5 SM |
707 | /* The C++ dialect being used. C++98 is the default. */ |
708 | extern enum cxx_dialect cxx_dialect; | |
966541e3 | 709 | |
4078b403 NB |
710 | /* Maximum template instantiation depth. This limit is rather |
711 | arbitrary, but it exists to limit the time it takes to notice | |
17bc631c | 712 | excessively recursive template instantiations. */ |
4078b403 NB |
713 | |
714 | extern int max_tinst_depth; | |
ab76ca54 | 715 | |
7d882b83 ILT |
716 | /* Nonzero means that we should not issue warnings about problems that |
717 | occur when the code is executed, because the code being processed | |
718 | is not expected to be executed. This is set during parsing. This | |
719 | is used for cases like sizeof() and "0 ? a : b". This is a count, | |
720 | not a bool, because unexecuted expressions can nest. */ | |
25587e40 | 721 | |
7d882b83 | 722 | extern int c_inhibit_evaluation_warnings; |
25587e40 | 723 | |
148e4216 JM |
724 | /* Whether lexing has been completed, so subsequent preprocessor |
725 | errors should use the compiler's input_location. */ | |
726 | ||
727 | extern bool done_lexing; | |
728 | ||
ab76ca54 MM |
729 | /* C types are partitioned into three subsets: object, function, and |
730 | incomplete types. */ | |
731 | #define C_TYPE_OBJECT_P(type) \ | |
732 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
733 | ||
734 | #define C_TYPE_INCOMPLETE_P(type) \ | |
735 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
736 | ||
737 | #define C_TYPE_FUNCTION_P(type) \ | |
738 | (TREE_CODE (type) == FUNCTION_TYPE) | |
739 | ||
740 | /* For convenience we define a single macro to identify the class of | |
741 | object or incomplete types. */ | |
742 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
743 | (!C_TYPE_FUNCTION_P (type)) | |
744 | ||
c98cd5bf JM |
745 | struct visibility_flags |
746 | { | |
747 | unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ | |
748 | unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ | |
749 | }; | |
750 | ||
7a37fa90 MM |
751 | /* These enumerators are possible types of unsafe conversions. */ |
752 | enum conversion_safety { | |
753 | /* The conversion is safe. */ | |
754 | SAFE_CONVERSION = 0, | |
755 | /* Another type of conversion with problems. */ | |
756 | UNSAFE_OTHER, | |
757 | /* Conversion between signed and unsigned integers | |
758 | which are all warned about immediately, so this is unused. */ | |
759 | UNSAFE_SIGN, | |
760 | /* Conversions that reduce the precision of reals including conversions | |
761 | from reals to integers. */ | |
762 | UNSAFE_REAL, | |
763 | /* Conversions from complex to reals or integers, that discard imaginary | |
764 | component. */ | |
765 | UNSAFE_IMAGINARY | |
766 | }; | |
49b0aa18 | 767 | |
c98cd5bf JM |
768 | /* Global visibility options. */ |
769 | extern struct visibility_flags visibility_options; | |
770 | ||
349ae713 NB |
771 | /* Attribute table common to the C front ends. */ |
772 | extern const struct attribute_spec c_common_attribute_table[]; | |
773 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
774 | ||
0ba8a114 | 775 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
2ce07e2d NS |
776 | ID is the identifier to use, NAME is the string. |
777 | TYPE_DEP indicates whether it depends on type of the function or not | |
778 | (i.e. __PRETTY_FUNCTION__). */ | |
779 | ||
c2255bc4 | 780 | extern tree (*make_fname_decl) (location_t, tree, int); |
35b1a6fa | 781 | |
bffad7f1 | 782 | /* In c-decl.c and cp/tree.c. FIXME. */ |
3ef0694c | 783 | extern void c_register_addr_space (const char *str, addr_space_t as); |
bffad7f1 SB |
784 | |
785 | /* In c-common.c. */ | |
5386338c | 786 | extern bool in_late_binary_op; |
36c5e70a | 787 | extern const char *c_addr_space_name (addr_space_t as); |
35b1a6fa | 788 | extern tree identifier_global_value (tree); |
3a636414 | 789 | extern tree c_linkage_bindings (tree); |
35b1a6fa AJ |
790 | extern void record_builtin_type (enum rid, const char *, tree); |
791 | extern tree build_void_list_node (void); | |
792 | extern void start_fname_decls (void); | |
793 | extern void finish_fname_decls (void); | |
794 | extern const char *fname_as_string (int); | |
3ba09659 | 795 | extern tree fname_decl (location_t, unsigned, tree); |
35b1a6fa | 796 | |
d19fa6b5 | 797 | extern int check_user_alignment (const_tree, bool); |
4227c9ad | 798 | extern bool check_function_arguments (location_t loc, const_tree, const_tree, |
2f687306 | 799 | int, tree *, vec<location_t> *); |
35b1a6fa AJ |
800 | extern void check_function_arguments_recurse (void (*) |
801 | (void *, tree, | |
802 | unsigned HOST_WIDE_INT), | |
803 | void *, tree, | |
804 | unsigned HOST_WIDE_INT); | |
79ce98bc MP |
805 | extern bool check_builtin_function_arguments (location_t, vec<location_t>, |
806 | tree, int, tree *); | |
2f687306 | 807 | extern void check_function_format (tree, int, tree *, vec<location_t> *); |
81fea426 | 808 | extern bool attribute_fallthrough_p (tree); |
35b1a6fa AJ |
809 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
810 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
00abf86c MS |
811 | extern bool c_common_handle_option (size_t, const char *, HOST_WIDE_INT, int, |
812 | location_t, | |
5f20c657 | 813 | const struct cl_option_handlers *); |
acce4e77 | 814 | extern bool default_handle_c_option (size_t, const char *, int); |
ef4bddc2 | 815 | extern tree c_common_type_for_mode (machine_mode, int); |
35b1a6fa | 816 | extern tree c_common_type_for_size (unsigned int, int); |
ab22c1fa CF |
817 | extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, |
818 | int, int); | |
12753674 | 819 | extern tree c_common_unsigned_type (tree); |
35b1a6fa AJ |
820 | extern tree c_common_signed_type (tree); |
821 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
81f653d6 | 822 | extern void c_common_init_ts (void); |
38a4afee | 823 | extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
3cd211af | 824 | extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, tree, |
68fca595 | 825 | bool); |
58f9752a | 826 | extern bool decl_with_nonnull_addr_p (const_tree); |
f9c59f7e | 827 | extern tree c_fully_fold (tree, bool, bool *, bool = false); |
e5a94231 | 828 | extern tree c_wrap_maybe_const (tree, bool); |
ba47d38d | 829 | extern tree c_common_truthvalue_conversion (location_t, tree); |
35b1a6fa | 830 | extern void c_apply_type_quals_to_decl (int, tree); |
296674db | 831 | extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
c2255bc4 | 832 | extern tree c_alignof_expr (location_t, tree); |
7f4edbcb BS |
833 | /* Print an error message for invalid operands to arith operation CODE. |
834 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
745e411d | 835 | extern void binary_op_error (rich_location *, enum tree_code, tree, tree); |
35b1a6fa | 836 | extern tree fix_string_type (tree); |
68fca595 | 837 | extern tree convert_and_check (location_t, tree, tree); |
b2ca3702 | 838 | extern bool c_determine_visibility (tree); |
0af94e6f | 839 | extern bool vector_types_compatible_elements_p (tree, tree); |
6ec637a4 JJ |
840 | extern void mark_valid_location_for_stdc_pragma (bool); |
841 | extern bool valid_location_for_stdc_pragma_p (void); | |
842 | extern void set_float_const_decimal64 (void); | |
843 | extern void clear_float_const_decimal64 (void); | |
844 | extern bool float_const_decimal64_p (void); | |
ab76ca54 | 845 | |
a9aa2c3a NF |
846 | extern bool keyword_begins_type_specifier (enum rid); |
847 | extern bool keyword_is_storage_class_specifier (enum rid); | |
848 | extern bool keyword_is_type_qualifier (enum rid); | |
ba9e6dd5 | 849 | extern bool keyword_is_decl_specifier (enum rid); |
af63ba4b | 850 | extern unsigned max_align_t_align (void); |
e28d52cf | 851 | extern bool cxx_fundamental_alignment_p (unsigned); |
f04dda30 | 852 | extern bool pointer_to_zero_sized_aggr_p (tree); |
038b5cc0 MP |
853 | extern bool bool_promoted_to_int_p (tree); |
854 | extern tree fold_for_warn (tree); | |
855 | extern tree c_common_get_narrower (tree, int *); | |
b12b1915 | 856 | extern bool get_nonnull_operand (tree, unsigned HOST_WIDE_INT *); |
a9aa2c3a | 857 | |
296674db JM |
858 | #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
859 | #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) | |
7f4edbcb | 860 | |
6715192c MLI |
861 | /* Subroutine of build_binary_op, used for certain operations. */ |
862 | extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); | |
863 | ||
7f4edbcb BS |
864 | /* Subroutine of build_binary_op, used for comparison operations. |
865 | See if the operands have both been converted from subword integer types | |
866 | and, if so, perhaps change them both back to their original type. */ | |
393e8e8b MP |
867 | extern tree shorten_compare (location_t, tree *, tree *, tree *, |
868 | enum tree_code *); | |
7f4edbcb | 869 | |
fd9b0f32 PC |
870 | extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
871 | bool = true); | |
50e60bc3 ZW |
872 | |
873 | /* Add qualifiers to a type, in the fashion for C. */ | |
e9e32ee6 | 874 | extern tree c_build_qualified_type (tree, int, tree = NULL_TREE, size_t = 0); |
50e60bc3 | 875 | |
7f4edbcb BS |
876 | /* Build tree nodes and builtin functions common to both C and C++ language |
877 | frontends. */ | |
35b1a6fa | 878 | extern void c_common_nodes_and_builtins (void); |
d3707adb | 879 | |
35b1a6fa | 880 | extern void disable_builtin_function (const char *); |
7d14c755 | 881 | |
3b2db49f MM |
882 | extern void set_compound_literal_name (tree decl); |
883 | ||
c2255bc4 | 884 | extern tree build_va_arg (location_t, tree, tree); |
7e8176d7 | 885 | |
c5fa0890 | 886 | extern const unsigned int c_family_lang_mask; |
7a9bf9a4 | 887 | extern unsigned int c_common_option_lang_mask (void); |
d723bb7c | 888 | extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
7a9bf9a4 | 889 | extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
a75bfaa6 | 890 | extern void c_common_init_options_struct (struct gcc_options *); |
7a9bf9a4 | 891 | extern void c_common_init_options (unsigned int, struct cl_decoded_option *); |
35b1a6fa AJ |
892 | extern bool c_common_post_options (const char **); |
893 | extern bool c_common_init (void); | |
894 | extern void c_common_finish (void); | |
b37421c6 | 895 | extern void c_common_parse_file (void); |
1a817418 | 896 | extern FILE *get_dump_info (int, dump_flags_t *); |
4862826d | 897 | extern alias_set_type c_common_get_alias_set (tree); |
9649812a | 898 | extern void c_register_builtin_type (tree, const char*); |
58f9752a | 899 | extern bool c_promoting_integer_type_p (const_tree); |
e3455240 | 900 | extern bool self_promoting_args_p (const_tree); |
12ea3302 | 901 | extern tree strip_pointer_operator (tree); |
ba992967 | 902 | extern tree strip_pointer_or_array_types (tree); |
c5ff069d | 903 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
d7e7759d | 904 | |
d1bd0ded GK |
905 | /* This is the basic parsing function. */ |
906 | extern void c_parse_file (void); | |
d1bd0ded | 907 | |
d7438551 AH |
908 | extern void c_parse_final_cleanups (void); |
909 | ||
ae499cce MM |
910 | /* These macros provide convenient access to the various _STMT nodes. */ |
911 | ||
325c3691 RH |
912 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
913 | if a statement expression. */ | |
914 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
915 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
174283a3 RH |
916 | |
917 | /* Nonzero if a label has been added to the statement list. */ | |
918 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
919 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
325c3691 | 920 | |
928c19bb JM |
921 | /* C_MAYBE_CONST_EXPR accessors. */ |
922 | #define C_MAYBE_CONST_EXPR_PRE(NODE) \ | |
923 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) | |
924 | #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ | |
925 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) | |
926 | #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ | |
927 | TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
928 | #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ | |
929 | TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
930 | #define EXPR_INT_CONST_OPERANDS(EXPR) \ | |
931 | (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ | |
932 | && (TREE_CODE (EXPR) == INTEGER_CST \ | |
933 | || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ | |
934 | && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) | |
935 | ||
0a7394bc MM |
936 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
937 | #define DECL_C_BIT_FIELD(NODE) \ | |
938 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
939 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
940 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
941 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
942 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
943 | ||
7c30b12a PC |
944 | /* True if the decl was an unnamed bitfield. */ |
945 | #define DECL_UNNAMED_BIT_FIELD(NODE) \ | |
946 | (DECL_C_BIT_FIELD (NODE) && !DECL_NAME (NODE)) | |
947 | ||
c2255bc4 AH |
948 | extern tree do_case (location_t, tree, tree); |
949 | extern tree build_stmt (location_t, enum tree_code, ...); | |
fb52b50a | 950 | extern tree build_real_imag_expr (location_t, enum tree_code, tree); |
f2c5f623 | 951 | |
ab76ca54 MM |
952 | /* These functions must be defined by each front-end which implements |
953 | a variant of the C language. They are used in c-common.c. */ | |
954 | ||
e51fbec3 | 955 | extern tree build_unary_op (location_t, enum tree_code, tree, bool); |
30af3a2b | 956 | extern tree build_binary_op (location_t, enum tree_code, tree, tree, bool); |
522ddfa2 | 957 | extern tree perform_integral_promotions (tree); |
ab76ca54 | 958 | |
d593cb3d MS |
959 | /* These functions must be defined by each front-end which implements |
960 | a variant of the C language. They are used by port files. */ | |
961 | ||
962 | extern tree default_conversion (tree); | |
963 | ||
ab76ca54 MM |
964 | /* Given two integer or real types, return the type for their sum. |
965 | Given two compatible ANSI C types, returns the merged type. */ | |
966 | ||
35b1a6fa | 967 | extern tree common_type (tree, tree); |
44835fdd | 968 | |
35b1a6fa | 969 | extern tree decl_constant_value (tree); |
56cb9733 | 970 | |
19552aa5 | 971 | /* Handle increment and decrement of boolean types. */ |
35b1a6fa | 972 | extern tree boolean_increment (enum tree_code, tree); |
19552aa5 | 973 | |
35b1a6fa | 974 | extern int case_compare (splay_tree_key, splay_tree_key); |
8f17b5c5 | 975 | |
b155cfd9 MP |
976 | extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree, |
977 | bool *); | |
058f0b9e | 978 | extern bool c_switch_covers_all_cases_p (splay_tree, tree); |
8f17b5c5 | 979 | |
c2255bc4 | 980 | extern tree build_function_call (location_t, tree, tree); |
c70eaeaf | 981 | |
81e5eca8 MP |
982 | extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
983 | vec<tree, va_gc> *, vec<tree, va_gc> *); | |
bbbbb16a | 984 | |
9771b263 | 985 | extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
48ae6c13 | 986 | |
6a3799eb | 987 | extern tree finish_label_address_expr (tree, location_t); |
15b732b2 NB |
988 | |
989 | /* Same function prototype, but the C and C++ front ends have | |
990 | different implementations. Used in c-common.c. */ | |
35b1a6fa | 991 | extern tree lookup_label (tree); |
10e6657a | 992 | extern tree lookup_name (tree); |
1e4ae551 | 993 | extern bool lvalue_p (const_tree); |
15b732b2 | 994 | |
f83c7f63 | 995 | extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
58f9752a | 996 | extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); |
bedc293e | 997 | extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
cc27e657 | 998 | |
35b1a6fa | 999 | extern void init_c_lex (void); |
81a75f0f | 1000 | |
35b1a6fa | 1001 | extern void c_cpp_builtins (cpp_reader *); |
ab442df7 | 1002 | extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); |
c24300ba DM |
1003 | extern bool c_cpp_diagnostic (cpp_reader *, enum cpp_diagnostic_level, |
1004 | enum cpp_warning_reason, rich_location *, | |
1005 | const char *, va_list *) | |
8a645150 | 1006 | ATTRIBUTE_GCC_DIAG(5,0); |
1f8d3e84 | 1007 | extern int c_common_has_attribute (cpp_reader *); |
76c3e73e | 1008 | |
7c475d11 JM |
1009 | extern bool parse_optimize_options (tree, bool); |
1010 | ||
731e8b38 MM |
1011 | /* Positive if an implicit `extern "C"' scope has just been entered; |
1012 | negative if such a scope has just been exited. */ | |
7876228d | 1013 | extern GTY(()) int pending_lang_change; |
731e8b38 | 1014 | |
0e5921e8 ZW |
1015 | /* Information recorded about each file examined during compilation. */ |
1016 | ||
1017 | struct c_fileinfo | |
1018 | { | |
1019 | int time; /* Time spent in the file. */ | |
5d709b00 ZW |
1020 | |
1021 | /* Flags used only by C++. | |
1022 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
1023 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
1024 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
1025 | INTERFACE_ONLY is zero, it means that we are responsible for | |
1026 | exporting definitions that others might need. */ | |
1027 | short interface_only; | |
0e5921e8 ZW |
1028 | short interface_unknown; |
1029 | }; | |
1030 | ||
35b1a6fa AJ |
1031 | struct c_fileinfo *get_fileinfo (const char *); |
1032 | extern void dump_time_statistics (void); | |
1033 | ||
1034 | extern bool c_dump_tree (void *, tree); | |
1035 | ||
3a5b9284 RH |
1036 | extern void verify_sequence_points (tree); |
1037 | ||
79e7b1fe JJ |
1038 | extern tree fold_offsetof (tree, tree = size_type_node, |
1039 | tree_code ctx = ERROR_MARK); | |
ee8a6a3e | 1040 | |
aab038d5 | 1041 | extern int complete_array_type (tree *, tree, bool); |
6d900107 | 1042 | extern void complete_flexible_array_elts (tree); |
aab038d5 | 1043 | |
48ae6c13 RH |
1044 | extern tree builtin_type_for_size (int, bool); |
1045 | ||
30cd1c5d AS |
1046 | extern void c_common_mark_addressable_vec (tree); |
1047 | ||
770e5a2e | 1048 | extern void set_underlying_type (tree); |
040d18b6 | 1049 | extern void record_types_used_by_current_var_decl (tree); |
9771b263 DN |
1050 | extern vec<tree, va_gc> *make_tree_vector (void); |
1051 | extern void release_tree_vector (vec<tree, va_gc> *); | |
1052 | extern vec<tree, va_gc> *make_tree_vector_single (tree); | |
1053 | extern vec<tree, va_gc> *make_tree_vector_from_list (tree); | |
f1644724 | 1054 | extern vec<tree, va_gc> *make_tree_vector_from_ctor (tree); |
9771b263 | 1055 | extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); |
2a67bec2 | 1056 | |
793c625f MG |
1057 | /* Used for communication between c_common_type_for_mode and |
1058 | c_register_builtin_type. */ | |
1059 | extern GTY(()) tree registered_builtin_types; | |
1060 | ||
15c98b2e ES |
1061 | /* Read SOURCE_DATE_EPOCH from environment to have a deterministic |
1062 | timestamp to replace embedded current dates to get reproducible | |
1063 | results. Returns -1 if SOURCE_DATE_EPOCH is not defined. */ | |
1064 | extern time_t cb_get_source_date_epoch (cpp_reader *pfile); | |
1065 | ||
1066 | /* The value (as a unix timestamp) corresponds to date | |
1067 | "Dec 31 9999 23:59:59 UTC", which is the latest date that __DATE__ and | |
1068 | __TIME__ can store. */ | |
1069 | #define MAX_SOURCE_DATE_EPOCH HOST_WIDE_INT_C (253402300799) | |
1070 | ||
cb18fd07 DM |
1071 | /* Callback for libcpp for offering spelling suggestions for misspelled |
1072 | directives. */ | |
1073 | extern const char *cb_get_suggestion (cpp_reader *, const char *, | |
1074 | const char *const *); | |
1075 | ||
88fa5555 DM |
1076 | extern GTY(()) string_concat_db *g_string_concat_db; |
1077 | ||
e5106e27 DM |
1078 | class substring_loc; |
1079 | extern const char *c_get_substring_location (const substring_loc &substr_loc, | |
1080 | location_t *out_loc); | |
88fa5555 | 1081 | |
7c34ced1 | 1082 | /* In c-gimplify.c */ |
6de9cd9a | 1083 | extern void c_genericize (tree); |
726a989a | 1084 | extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); |
c2255bc4 | 1085 | extern tree c_build_bind_expr (location_t, tree, tree); |
6de9cd9a | 1086 | |
de67c4c3 DM |
1087 | /* In c-lex.c. */ |
1088 | extern enum cpp_ttype | |
1089 | conflict_marker_get_final_tok_kind (enum cpp_ttype tok1_kind); | |
1090 | ||
c0d578e6 | 1091 | /* In c-pch.c */ |
35b1a6fa | 1092 | extern void pch_init (void); |
1efcb8c6 | 1093 | extern void pch_cpp_save_state (void); |
35b1a6fa AJ |
1094 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); |
1095 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
1096 | const char *orig); | |
1097 | extern void c_common_write_pch (void); | |
18c81520 | 1098 | extern void c_common_no_more_pch (void); |
bc4071dd | 1099 | extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
3fd30b88 GK |
1100 | |
1101 | /* In *-checksum.c */ | |
1102 | extern const unsigned char executable_checksum[16]; | |
c0d578e6 | 1103 | |
ab442df7 MM |
1104 | /* In c-cppbuiltin.c */ |
1105 | extern void builtin_define_std (const char *macro); | |
35b1a6fa | 1106 | extern void builtin_define_with_value (const char *, const char *, int); |
7049e4eb CB |
1107 | extern void builtin_define_with_int_value (const char *, HOST_WIDE_INT); |
1108 | extern void builtin_define_type_sizeof (const char *, tree); | |
35b1a6fa | 1109 | extern void c_stddef_cpp_builtins (void); |
0e50b624 | 1110 | extern void fe_file_change (const line_map_ordinary *); |
32129a17 DM |
1111 | extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char, |
1112 | rich_location *richloc); | |
9d10c9a9 NB |
1113 | |
1114 | /* In c-ppoutput.c */ | |
35b1a6fa AJ |
1115 | extern void init_pp_output (FILE *); |
1116 | extern void preprocess_file (cpp_reader *); | |
0e50b624 | 1117 | extern void pp_file_change (const line_map_ordinary *); |
8e9ea4d7 | 1118 | extern void pp_dir_change (cpp_reader *, const char *); |
104f8784 | 1119 | extern bool check_missing_format_attribute (tree, tree); |
17211ab5 | 1120 | |
953ff289 | 1121 | /* In c-omp.c */ |
eece7fe5 | 1122 | typedef wide_int_bitmask omp_clause_mask; |
acd15a28 | 1123 | |
8848828b | 1124 | #define OMP_CLAUSE_MASK_1 omp_clause_mask (1) |
acf0174b JJ |
1125 | |
1126 | enum c_omp_clause_split | |
1127 | { | |
1128 | C_OMP_CLAUSE_SPLIT_TARGET = 0, | |
1129 | C_OMP_CLAUSE_SPLIT_TEAMS, | |
1130 | C_OMP_CLAUSE_SPLIT_DISTRIBUTE, | |
1131 | C_OMP_CLAUSE_SPLIT_PARALLEL, | |
1132 | C_OMP_CLAUSE_SPLIT_FOR, | |
1133 | C_OMP_CLAUSE_SPLIT_SIMD, | |
1134 | C_OMP_CLAUSE_SPLIT_COUNT, | |
d9a6bd32 JJ |
1135 | C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR, |
1136 | C_OMP_CLAUSE_SPLIT_TASKLOOP = C_OMP_CLAUSE_SPLIT_FOR | |
acf0174b JJ |
1137 | }; |
1138 | ||
77886428 CP |
1139 | enum c_omp_region_type |
1140 | { | |
1141 | C_ORT_OMP = 1 << 0, | |
5e9d6aa4 JK |
1142 | C_ORT_ACC = 1 << 1, |
1143 | C_ORT_DECLARE_SIMD = 1 << 2, | |
1d793c34 | 1144 | C_ORT_OMP_DECLARE_SIMD = C_ORT_OMP | C_ORT_DECLARE_SIMD |
77886428 CP |
1145 | }; |
1146 | ||
c2255bc4 | 1147 | extern tree c_finish_omp_master (location_t, tree); |
acf0174b | 1148 | extern tree c_finish_omp_taskgroup (location_t, tree); |
d9a6bd32 JJ |
1149 | extern tree c_finish_omp_critical (location_t, tree, tree, tree); |
1150 | extern tree c_finish_omp_ordered (location_t, tree, tree); | |
c2255bc4 | 1151 | extern void c_finish_omp_barrier (location_t); |
20906c66 | 1152 | extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, |
e01d41e5 JJ |
1153 | tree, tree, tree, tree, tree, bool, bool, |
1154 | bool = false); | |
c2255bc4 AH |
1155 | extern void c_finish_omp_flush (location_t); |
1156 | extern void c_finish_omp_taskwait (location_t); | |
20906c66 | 1157 | extern void c_finish_omp_taskyield (location_t); |
acf0174b | 1158 | extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, |
d9a6bd32 | 1159 | tree, tree, tree, tree); |
e01d41e5 JJ |
1160 | extern bool c_omp_check_loop_iv (tree, tree, walk_tree_lh); |
1161 | extern bool c_omp_check_loop_iv_exprs (location_t, tree, tree, tree, tree, | |
1162 | walk_tree_lh); | |
41dbbb37 | 1163 | extern tree c_finish_oacc_wait (location_t, tree, tree); |
e7ff0319 | 1164 | extern tree c_oacc_split_loop_clauses (tree, tree *, bool); |
acf0174b JJ |
1165 | extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, |
1166 | tree, tree *); | |
1167 | extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); | |
1168 | extern void c_omp_declare_simd_clauses_to_decls (tree, tree); | |
953ff289 DN |
1169 | extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
1170 | ||
56300785 JJ |
1171 | /* Return next tree in the chain for chain_next walking of tree nodes. */ |
1172 | static inline tree | |
1173 | c_tree_chain_next (tree t) | |
1174 | { | |
1175 | /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different | |
1176 | kind of object, never a long chain of nodes. Prefer | |
1177 | TYPE_NEXT_VARIANT for types. */ | |
1178 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) | |
1179 | return TYPE_NEXT_VARIANT (t); | |
1180 | /* Otherwise, if there is TREE_CHAIN, return it. */ | |
1181 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) | |
1182 | return TREE_CHAIN (t); | |
1183 | return NULL; | |
1184 | } | |
1185 | ||
0a35513e AH |
1186 | /* Mask used by tm_stmt_attr. */ |
1187 | #define TM_STMT_ATTR_OUTER 2 | |
1188 | #define TM_STMT_ATTR_ATOMIC 4 | |
1189 | #define TM_STMT_ATTR_RELAXED 8 | |
1190 | ||
0a35513e AH |
1191 | /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these |
1192 | are ordered specifically such that more restrictive attributes are | |
1193 | at lower bit positions. This fact is known by the C++ tm attribute | |
1194 | inheritance code such that least bit extraction (mask & -mask) results | |
1195 | in the most restrictive attribute. */ | |
1196 | #define TM_ATTR_SAFE 1 | |
1197 | #define TM_ATTR_CALLABLE 2 | |
1198 | #define TM_ATTR_PURE 4 | |
1199 | #define TM_ATTR_IRREVOCABLE 8 | |
1200 | #define TM_ATTR_MAY_CANCEL_OUTER 16 | |
1201 | ||
3ce4f9e4 ESR |
1202 | /* A suffix-identifier value doublet that represents user-defined literals |
1203 | for C++-0x. */ | |
2d7aa578 ESR |
1204 | enum overflow_type { |
1205 | OT_UNDERFLOW = -1, | |
1206 | OT_NONE, | |
1207 | OT_OVERFLOW | |
1208 | }; | |
1209 | ||
3ce4f9e4 ESR |
1210 | struct GTY(()) tree_userdef_literal { |
1211 | struct tree_base base; | |
1212 | tree suffix_id; | |
1213 | tree value; | |
1214 | tree num_string; | |
2d7aa578 | 1215 | enum overflow_type overflow; |
3ce4f9e4 ESR |
1216 | }; |
1217 | ||
1218 | #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ | |
1219 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) | |
1220 | ||
1221 | #define USERDEF_LITERAL_VALUE(NODE) \ | |
1222 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) | |
1223 | ||
2d7aa578 ESR |
1224 | #define USERDEF_LITERAL_OVERFLOW(NODE) \ |
1225 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) | |
1226 | ||
3ce4f9e4 ESR |
1227 | #define USERDEF_LITERAL_NUM_STRING(NODE) \ |
1228 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) | |
1229 | ||
1230 | #define USERDEF_LITERAL_TYPE(NODE) \ | |
1231 | (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) | |
1232 | ||
2d7aa578 ESR |
1233 | extern tree build_userdef_literal (tree suffix_id, tree value, |
1234 | enum overflow_type overflow, | |
1235 | tree num_string); | |
3ce4f9e4 | 1236 | |
f17a223d | 1237 | extern bool convert_vector_to_array_for_subscript (location_t, tree *, tree); |
7edaa4d2 | 1238 | |
a212e43f MG |
1239 | /* Possibe cases of scalar_to_vector conversion. */ |
1240 | enum stv_conv { | |
688010ba | 1241 | stv_error, /* Error occurred. */ |
a212e43f MG |
1242 | stv_nothing, /* Nothing happened. */ |
1243 | stv_firstarg, /* First argument must be expanded. */ | |
1244 | stv_secondarg /* Second argument must be expanded. */ | |
1245 | }; | |
1246 | ||
1247 | extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, | |
1248 | tree op0, tree op1, bool); | |
1249 | ||
d60f1706 BI |
1250 | extern tree find_inv_trees (tree *, int *, void *); |
1251 | extern tree replace_inv_trees (tree *, int *, void *); | |
5e9d6aa4 | 1252 | |
1807ffc1 | 1253 | extern bool reject_gcc_builtin (const_tree, location_t = UNKNOWN_LOCATION); |
403962ea | 1254 | extern bool valid_array_size_p (location_t, tree, tree, bool = true); |
c3388e62 | 1255 | |
038b5cc0 MP |
1256 | /* In c-warn.c. */ |
1257 | extern void constant_expression_warning (tree); | |
1258 | extern void constant_expression_error (tree); | |
3cd211af | 1259 | extern void overflow_warning (location_t, tree, tree = NULL_TREE); |
038b5cc0 MP |
1260 | extern void warn_logical_operator (location_t, enum tree_code, tree, |
1261 | enum tree_code, tree, enum tree_code, tree); | |
1262 | extern void warn_tautological_cmp (location_t, enum tree_code, tree, tree); | |
1263 | extern void warn_logical_not_parentheses (location_t, enum tree_code, tree, | |
1264 | tree); | |
1265 | extern bool warn_if_unused_value (const_tree, location_t); | |
0444aa9c | 1266 | extern bool strict_aliasing_warning (location_t, tree, tree); |
038b5cc0 MP |
1267 | extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
1268 | vec<tree, va_gc> *, tree *, | |
1269 | bool (*) (tree, tree)); | |
1270 | extern void check_main_parameter_types (tree decl); | |
1271 | extern void warnings_for_convert_and_check (location_t, tree, tree, tree); | |
1272 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree, bool, | |
1273 | bool); | |
1274 | extern void warn_for_omitted_condop (location_t, tree); | |
e9b9fa4c | 1275 | extern bool warn_for_restrict (unsigned, tree *, unsigned); |
038b5cc0 MP |
1276 | |
1277 | /* Places where an lvalue, or modifiable lvalue, may be required. | |
1278 | Used to select diagnostic messages in lvalue_error and | |
1279 | readonly_error. */ | |
1280 | enum lvalue_use { | |
1281 | lv_assign, | |
1282 | lv_increment, | |
1283 | lv_decrement, | |
1284 | lv_addressof, | |
1285 | lv_asm | |
1286 | }; | |
1287 | ||
1288 | extern void lvalue_error (location_t, enum lvalue_use); | |
1289 | extern void invalid_indirection_error (location_t, tree, ref_operator); | |
1290 | extern void readonly_error (location_t, tree, enum lvalue_use); | |
1291 | extern void warn_array_subscript_with_type_char (location_t, tree); | |
1292 | extern void warn_about_parentheses (location_t, | |
1293 | enum tree_code, | |
1294 | enum tree_code, tree, | |
1295 | enum tree_code, tree); | |
1296 | extern void warn_for_unused_label (tree label); | |
1297 | extern void warn_for_div_by_zero (location_t, tree divisor); | |
1298 | extern void warn_for_memset (location_t, tree, tree, int); | |
1299 | extern void warn_for_sign_compare (location_t, | |
1300 | tree orig_op0, tree orig_op1, | |
1301 | tree op0, tree op1, | |
1302 | tree result_type, | |
1303 | enum tree_code resultcode); | |
1304 | extern void do_warn_double_promotion (tree, tree, tree, const char *, | |
1305 | location_t); | |
1306 | extern void do_warn_unused_parameter (tree); | |
1307 | extern void record_locally_defined_typedef (tree); | |
1308 | extern void maybe_record_typedef_use (tree); | |
1309 | extern void maybe_warn_unused_local_typedefs (void); | |
1310 | extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); | |
1311 | extern bool maybe_warn_shift_overflow (location_t, tree, tree); | |
1312 | extern void warn_duplicated_cond_add_or_warn (location_t, tree, vec<tree> **); | |
1313 | extern bool diagnose_mismatched_attributes (tree, tree); | |
2ebd93e1 | 1314 | extern tree do_warn_duplicated_branches_r (tree *, int *, void *); |
3e2becc4 MP |
1315 | extern void warn_for_multistatement_macros (location_t, location_t, |
1316 | location_t, enum rid); | |
038b5cc0 | 1317 | |
b12b1915 MP |
1318 | /* In c-attribs.c. */ |
1319 | extern bool attribute_takes_identifier_p (const_tree); | |
1320 | extern tree handle_unused_attribute (tree *, tree, tree, int, bool *); | |
1321 | extern int parse_tm_stmt_attr (tree, int); | |
1322 | extern int tm_attr_to_mask (tree); | |
1323 | extern tree tm_mask_to_attr (int); | |
1324 | extern tree find_tm_attribute (tree); | |
1325 | ||
56d8ffc1 JG |
1326 | extern enum flt_eval_method |
1327 | excess_precision_mode_join (enum flt_eval_method, enum flt_eval_method); | |
1328 | ||
1329 | extern int c_flt_eval_method (bool ts18661_p); | |
45b2222a | 1330 | extern void add_no_sanitize_value (tree node, unsigned int flags); |
56d8ffc1 | 1331 | |
85204e23 | 1332 | extern void maybe_add_include_fixit (rich_location *, const char *, bool); |
62e1c678 DM |
1333 | extern void maybe_suggest_missing_token_insertion (rich_location *richloc, |
1334 | enum cpp_ttype token_type, | |
1335 | location_t prev_token_loc); | |
b5764229 | 1336 | extern tree braced_list_to_string (tree, tree); |
eea77d1f | 1337 | |
895aa8e1 DM |
1338 | #if CHECKING_P |
1339 | namespace selftest { | |
b6f43128 DM |
1340 | /* Declarations for specific families of tests within c-family, |
1341 | by source file, in alphabetical order. */ | |
895aa8e1 | 1342 | extern void c_format_c_tests (void); |
10fcc142 | 1343 | extern void c_indentation_c_tests (void); |
9a004410 | 1344 | extern void c_pretty_print_c_tests (void); |
c79144f8 | 1345 | extern void c_spellcheck_cc_tests (void); |
b6f43128 DM |
1346 | |
1347 | /* The entrypoint for running all of the above tests. */ | |
1348 | extern void c_family_tests (void); | |
895aa8e1 DM |
1349 | } // namespace selftest |
1350 | #endif /* #if CHECKING_P */ | |
1351 | ||
88657302 | 1352 | #endif /* ! GCC_C_COMMON_H */ |