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72040e7e | 1 | /* Definitions for c-common.c. |
f1717362 | 2 | Copyright (C) 1987-2016 Free Software Foundation, Inc. |
72040e7e | 3 | |
f12b58b3 | 4 | This file is part of GCC. |
72040e7e | 5 | |
f12b58b3 | 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 | |
8c4c00c1 | 8 | Software Foundation; either version 3, or (at your option) any later |
f12b58b3 | 9 | version. |
72040e7e | 10 | |
f12b58b3 | 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. | |
72040e7e | 15 | |
16 | You should have received a copy of the GNU General Public License | |
8c4c00c1 | 17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
72040e7e | 19 | |
518796ad | 20 | #ifndef GCC_C_COMMON_H |
21 | #define GCC_C_COMMON_H | |
22 | ||
e41f0d80 | 23 | #include "splay-tree.h" |
0d086e18 | 24 | #include "cpplib.h" |
b20a8bb4 | 25 | #include "alias.h" |
4a020a8c | 26 | #include "tree.h" |
b20a8bb4 | 27 | #include "fold-const.h" |
e41f0d80 | 28 | |
9f19e0f9 | 29 | /* In order for the format checking to accept the C frontend |
30 | diagnostic framework extensions, you must include this file before | |
0b205f4c | 31 | diagnostic-core.h, not after. The C front end formats are a subset of those |
9f19e0f9 | 32 | for C++, so they are the appropriate set to use in common code; |
33 | cp-tree.h overrides this for C++. */ | |
0b205f4c | 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 | |
9f19e0f9 | 40 | #ifndef GCC_DIAG_STYLE |
41 | #define GCC_DIAG_STYLE __gcc_cdiag__ | |
42 | #endif | |
43 | #include "diagnostic-core.h" | |
44 | ||
5c3247a9 | 45 | /* Usage of TREE_LANG_FLAG_?: |
bf2a43ff | 46 | 0: IDENTIFIER_MARKED (used by search routines). |
a75b1c71 | 47 | C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
5c3247a9 | 48 | 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
2363ef00 | 49 | STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
a75b1c71 | 50 | C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) |
4ee9c684 | 51 | 2: unused |
2e3f4877 | 52 | 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
2363ef00 | 53 | 4: unused |
5c3247a9 | 54 | */ |
55 | ||
518796ad | 56 | /* Reserved identifiers. This is the union of all the keywords for C, |
7fd957fe | 57 | C++, and Objective-C. All the type modifiers have to be in one |
518796ad | 58 | block at the beginning, because they are used as mask bits. There |
985c6e3a | 59 | are 28 type modifiers; if we add many more we will have to redesign |
518796ad | 60 | the mask mechanism. */ |
988fc1d1 | 61 | |
62 | enum rid | |
63 | { | |
518796ad | 64 | /* Modifiers: */ |
88b5b080 | 65 | /* C, in empirical order of frequency. */ |
518796ad | 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, | |
b560fabd | 70 | RID_NORETURN, RID_ATOMIC, |
518796ad | 71 | |
72 | /* C extensions */ | |
9421ebb9 | 73 | RID_COMPLEX, RID_THREAD, RID_SAT, |
518796ad | 74 | |
75 | /* C++ */ | |
76 | RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
77 | ||
b27e241e | 78 | /* ObjC ("PQ" reserved words - they do not appear after a '@' and |
79 | are keywords only in specific contexts) */ | |
f17c0828 | 80 | RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
518796ad | 81 | |
86c110ac | 82 | /* ObjC ("PATTR" reserved words - they do not appear after a '@' |
83 | and are keywords only as property attributes) */ | |
7590f0e5 | 84 | RID_GETTER, RID_SETTER, |
85 | RID_READONLY, RID_READWRITE, | |
86 | RID_ASSIGN, RID_RETAIN, RID_COPY, | |
7590f0e5 | 87 | RID_NONATOMIC, |
86c110ac | 88 | |
c1800156 | 89 | /* C (reserved and imaginary types not implemented, so any use is a |
90 | syntax error) */ | |
91 | RID_IMAGINARY, | |
92 | ||
518796ad | 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, | |
84e28d80 | 102 | RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
6cf89e04 | 103 | RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
c4503c0a | 104 | RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
6f58cf06 | 105 | RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, |
518796ad | 106 | |
32074525 | 107 | /* C11 */ |
7aa04c8d | 108 | RID_ALIGNAS, RID_GENERIC, |
83e25171 | 109 | |
5c6e5756 | 110 | /* This means to warn that this is a C++ keyword, and then treat it |
111 | as a normal identifier. */ | |
112 | RID_CXX_COMPAT_WARN, | |
113 | ||
4c0315d0 | 114 | /* GNU transactional memory extension */ |
115 | RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, | |
116 | ||
65b7f83f | 117 | /* Too many ways of getting the name of a function as a string */ |
118 | RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
119 | ||
b27e241e | 120 | /* C++ (some of these are keywords in Objective-C as well, but only |
121 | if they appear after a '@') */ | |
518796ad | 122 | RID_BOOL, RID_WCHAR, RID_CLASS, |
123 | RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
124 | RID_TEMPLATE, RID_NULL, RID_CATCH, | |
125 | RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
a0c938f0 | 126 | RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
127 | RID_THIS, RID_THROW, RID_TRUE, | |
128 | RID_TRY, RID_TYPENAME, RID_TYPEID, | |
924bbf02 | 129 | RID_USING, RID_CHAR16, RID_CHAR32, |
518796ad | 130 | |
131 | /* casts */ | |
132 | RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
133 | ||
481451eb | 134 | /* C++ extensions */ |
aa4313eb | 135 | RID_BASES, RID_DIRECT_BASES, |
481451eb | 136 | RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
137 | RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, | |
138 | RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, | |
139 | RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR, | |
140 | RID_IS_ABSTRACT, RID_IS_BASE_OF, | |
c33e051d | 141 | RID_IS_CLASS, |
481451eb | 142 | RID_IS_EMPTY, RID_IS_ENUM, |
aa4313eb | 143 | RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
144 | RID_IS_POD, RID_IS_POLYMORPHIC, | |
56c12fd4 | 145 | RID_IS_SAME_AS, |
aa4313eb | 146 | RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, |
f76a9aa8 | 147 | RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
717e52f9 | 148 | RID_IS_TRIVIALLY_COPYABLE, |
aa4313eb | 149 | RID_IS_UNION, RID_UNDERLYING_TYPE, |
481451eb | 150 | |
aa4313eb | 151 | /* C++11 */ |
98fe9664 | 152 | RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
df1683c2 | 153 | |
56c12fd4 | 154 | /* C++ concepts */ |
155 | RID_CONCEPT, RID_REQUIRES, | |
156 | ||
6d02e6b2 | 157 | /* C++ transactional memory. */ |
158 | RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED, | |
159 | ||
d037099f | 160 | /* Cilk Plus keywords. */ |
40750995 | 161 | RID_CILK_SPAWN, RID_CILK_SYNC, RID_CILK_FOR, |
d037099f | 162 | |
b27e241e | 163 | /* Objective-C ("AT" reserved words - they are only keywords when |
164 | they follow '@') */ | |
9e8a7e85 | 165 | RID_AT_ENCODE, RID_AT_END, |
518796ad | 166 | RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
4a8875ed | 167 | RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, |
a0c938f0 | 168 | RID_AT_PROTOCOL, RID_AT_SELECTOR, |
c17b85ea | 169 | RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
069761fb | 170 | RID_AT_FINALLY, RID_AT_SYNCHRONIZED, |
86c110ac | 171 | RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, |
e1f293c0 | 172 | RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, |
c17b85ea | 173 | RID_AT_INTERFACE, |
518796ad | 174 | RID_AT_IMPLEMENTATION, |
175 | ||
6d5d708e | 176 | /* Named address support, mapping the keyword to a particular named address |
177 | number. Named address space 0 is reserved for the generic address. If | |
178 | there are more than 254 named addresses, the addr_space_t type will need | |
179 | to be grown from an unsigned char to unsigned short. */ | |
180 | RID_ADDR_SPACE_0, /* generic address */ | |
181 | RID_ADDR_SPACE_1, | |
182 | RID_ADDR_SPACE_2, | |
183 | RID_ADDR_SPACE_3, | |
184 | RID_ADDR_SPACE_4, | |
185 | RID_ADDR_SPACE_5, | |
186 | RID_ADDR_SPACE_6, | |
187 | RID_ADDR_SPACE_7, | |
188 | RID_ADDR_SPACE_8, | |
189 | RID_ADDR_SPACE_9, | |
190 | RID_ADDR_SPACE_10, | |
191 | RID_ADDR_SPACE_11, | |
192 | RID_ADDR_SPACE_12, | |
193 | RID_ADDR_SPACE_13, | |
194 | RID_ADDR_SPACE_14, | |
195 | RID_ADDR_SPACE_15, | |
196 | ||
197 | RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, | |
198 | RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, | |
199 | ||
9f75f026 | 200 | /* __intN keywords. The _N_M here doesn't correspond to the intN |
201 | in the keyword; use the bitsize in int_n_t_data_t[M] for that. | |
202 | For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 | |
203 | is for __int13. */ | |
204 | ||
205 | /* Note that the range to use is RID_FIRST_INT_N through | |
206 | RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of | |
207 | all RID_INT_N_* in a case statement. */ | |
208 | ||
209 | RID_INT_N_0, | |
210 | RID_INT_N_1, | |
211 | RID_INT_N_2, | |
212 | RID_INT_N_3, | |
213 | ||
214 | RID_FIRST_INT_N = RID_INT_N_0, | |
215 | RID_LAST_INT_N = RID_INT_N_3, | |
216 | ||
518796ad | 217 | RID_MAX, |
218 | ||
219 | RID_FIRST_MODIFIER = RID_STATIC, | |
f17c0828 | 220 | RID_LAST_MODIFIER = RID_ONEWAY, |
221 | ||
fa769cc5 | 222 | RID_FIRST_CXX11 = RID_CONSTEXPR, |
223 | RID_LAST_CXX11 = RID_STATIC_ASSERT, | |
f17c0828 | 224 | RID_FIRST_AT = RID_AT_ENCODE, |
225 | RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
226 | RID_FIRST_PQ = RID_IN, | |
86c110ac | 227 | RID_LAST_PQ = RID_ONEWAY, |
7590f0e5 | 228 | RID_FIRST_PATTR = RID_GETTER, |
229 | RID_LAST_PATTR = RID_NONATOMIC | |
988fc1d1 | 230 | }; |
231 | ||
f17c0828 | 232 | #define OBJC_IS_AT_KEYWORD(rid) \ |
84166705 | 233 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
234 | (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
f17c0828 | 235 | |
236 | #define OBJC_IS_PQ_KEYWORD(rid) \ | |
84166705 | 237 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
238 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
f17c0828 | 239 | |
86c110ac | 240 | #define OBJC_IS_PATTR_KEYWORD(rid) \ |
241 | ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ | |
242 | (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) | |
243 | ||
b27e241e | 244 | /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as |
245 | 'class') which are shared in a subtle way between Objective-C and | |
246 | C++. When the lexer is lexing in Objective-C/Objective-C++, if it | |
247 | finds '@' followed by one of these identifiers (eg, '@class'), it | |
248 | recognizes the whole as an Objective-C keyword. If the identifier | |
249 | is found elsewhere, it follows the rules of the C/C++ language. | |
250 | */ | |
251 | #define OBJC_IS_CXX_KEYWORD(rid) \ | |
6d02e6b2 | 252 | (rid == RID_CLASS || rid == RID_SYNCHRONIZED \ |
b27e241e | 253 | || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ |
254 | || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) | |
255 | ||
988fc1d1 | 256 | /* The elements of `ridpointers' are identifier nodes for the reserved |
257 | type names and storage classes. It is indexed by a RID_... value. */ | |
84166705 | 258 | extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
988fc1d1 | 259 | |
72040e7e | 260 | /* Standard named or nameless data types of the C compiler. */ |
261 | ||
262 | enum c_tree_index | |
263 | { | |
924bbf02 | 264 | CTI_CHAR16_TYPE, |
265 | CTI_CHAR32_TYPE, | |
72040e7e | 266 | CTI_WCHAR_TYPE, |
f3449a3c | 267 | CTI_UNDERLYING_WCHAR_TYPE, |
55dbcdfe | 268 | CTI_WINT_TYPE, |
428a1c21 | 269 | CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
270 | CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
e3fff6f2 | 271 | CTI_INTMAX_TYPE, |
272 | CTI_UINTMAX_TYPE, | |
72040e7e | 273 | CTI_WIDEST_INT_LIT_TYPE, |
274 | CTI_WIDEST_UINT_LIT_TYPE, | |
275 | ||
f3449a3c | 276 | /* Types for <stdint.h>, that may not be defined on all |
277 | targets. */ | |
278 | CTI_SIG_ATOMIC_TYPE, | |
279 | CTI_INT8_TYPE, | |
280 | CTI_INT16_TYPE, | |
281 | CTI_INT32_TYPE, | |
282 | CTI_INT64_TYPE, | |
283 | CTI_UINT8_TYPE, | |
284 | CTI_UINT16_TYPE, | |
285 | CTI_UINT32_TYPE, | |
286 | CTI_UINT64_TYPE, | |
287 | CTI_INT_LEAST8_TYPE, | |
288 | CTI_INT_LEAST16_TYPE, | |
289 | CTI_INT_LEAST32_TYPE, | |
290 | CTI_INT_LEAST64_TYPE, | |
291 | CTI_UINT_LEAST8_TYPE, | |
292 | CTI_UINT_LEAST16_TYPE, | |
293 | CTI_UINT_LEAST32_TYPE, | |
294 | CTI_UINT_LEAST64_TYPE, | |
295 | CTI_INT_FAST8_TYPE, | |
296 | CTI_INT_FAST16_TYPE, | |
297 | CTI_INT_FAST32_TYPE, | |
298 | CTI_INT_FAST64_TYPE, | |
299 | CTI_UINT_FAST8_TYPE, | |
300 | CTI_UINT_FAST16_TYPE, | |
301 | CTI_UINT_FAST32_TYPE, | |
302 | CTI_UINT_FAST64_TYPE, | |
303 | CTI_INTPTR_TYPE, | |
304 | CTI_UINTPTR_TYPE, | |
305 | ||
72040e7e | 306 | CTI_CHAR_ARRAY_TYPE, |
924bbf02 | 307 | CTI_CHAR16_ARRAY_TYPE, |
308 | CTI_CHAR32_ARRAY_TYPE, | |
72040e7e | 309 | CTI_WCHAR_ARRAY_TYPE, |
72040e7e | 310 | CTI_STRING_TYPE, |
311 | CTI_CONST_STRING_TYPE, | |
312 | ||
4f9a1c9b | 313 | /* Type for boolean expressions (bool in C++, int in C). */ |
3c2239cf | 314 | CTI_TRUTHVALUE_TYPE, |
315 | CTI_TRUTHVALUE_TRUE, | |
316 | CTI_TRUTHVALUE_FALSE, | |
317 | ||
72040e7e | 318 | CTI_DEFAULT_FUNCTION_TYPE, |
72040e7e | 319 | |
88b5b080 | 320 | /* These are not types, but we have to look them up all the time. */ |
65b7f83f | 321 | CTI_FUNCTION_NAME_DECL, |
322 | CTI_PRETTY_FUNCTION_NAME_DECL, | |
323 | CTI_C99_FUNCTION_NAME_DECL, | |
324 | CTI_SAVED_FUNCTION_NAME_DECLS, | |
a0c938f0 | 325 | |
ae84079f | 326 | CTI_NULL, |
327 | ||
72040e7e | 328 | CTI_MAX |
329 | }; | |
330 | ||
89768577 | 331 | #define C_CPP_HASHNODE(id) \ |
332 | (&(((struct c_common_identifier *) (id))->node)) | |
7d339f93 | 333 | #define C_RID_CODE(id) \ |
334 | ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) | |
335 | #define C_SET_RID_CODE(id, code) \ | |
336 | (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) | |
0d086e18 | 337 | |
338 | /* Identifier part common to the C front ends. Inherits from | |
339 | tree_identifier, despite appearances. */ | |
fb1e4f4a | 340 | struct GTY(()) c_common_identifier { |
fc9c9e87 | 341 | struct tree_common common; |
573aba85 | 342 | struct cpp_hashnode node; |
0d086e18 | 343 | }; |
344 | ||
5c6e5756 | 345 | /* An entry in the reserved keyword table. */ |
346 | ||
347 | struct c_common_resword | |
348 | { | |
349 | const char *const word; | |
350 | ENUM_BITFIELD(rid) const rid : 16; | |
351 | const unsigned int disable : 16; | |
352 | }; | |
353 | ||
de801c28 | 354 | /* Mode used to build pointers (VOIDmode means ptr_mode). */ |
355 | ||
356 | extern machine_mode c_default_pointer_mode; | |
357 | ||
07b8f133 | 358 | /* Extra cpp_ttype values for C++. */ |
359 | ||
07b8f133 | 360 | /* A token type for template-ids. If a template-id is processed while |
361 | parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; | |
362 | the value of the CPP_TEMPLATE_ID is whatever was returned by | |
363 | cp_parser_template_id. */ | |
364 | #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) | |
365 | ||
366 | /* A token type for nested-name-specifiers. If a | |
367 | nested-name-specifier is processed while parsing tentatively, it is | |
368 | replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the | |
369 | CPP_NESTED_NAME_SPECIFIER is whatever was returned by | |
370 | cp_parser_nested_name_specifier_opt. */ | |
371 | #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) | |
372 | ||
373 | /* A token type for pre-parsed C++0x decltype. */ | |
374 | #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) | |
375 | ||
b0542e7c | 376 | /* A token type for pre-parsed primary-expression (lambda- or statement-). */ |
377 | #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) | |
378 | ||
07b8f133 | 379 | /* The number of token types, including C++-specific ones. */ |
b0542e7c | 380 | #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) |
07b8f133 | 381 | |
5c6e5756 | 382 | /* Disable mask. Keywords are disabled if (reswords[i].disable & |
383 | mask) is _true_. Thus for keywords which are present in all | |
384 | languages the disable field is zero. */ | |
385 | ||
386 | #define D_CONLY 0x001 /* C only (not in C++). */ | |
387 | #define D_CXXONLY 0x002 /* C++ only (not in C). */ | |
388 | #define D_C99 0x004 /* In C, C99 only. */ | |
fa769cc5 | 389 | #define D_CXX11 0x008 /* In C++, C++11 only. */ |
5c6e5756 | 390 | #define D_EXT 0x010 /* GCC extension. */ |
391 | #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ | |
392 | #define D_ASM 0x040 /* Disabled by -fno-asm. */ | |
393 | #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ | |
394 | #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ | |
395 | #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ | |
56c12fd4 | 396 | #define D_CXX_CONCEPTS 0x400 /* In C++, only with concepts. */ |
6d02e6b2 | 397 | #define D_TRANSMEM 0X800 /* C++ transactional memory TS. */ |
56c12fd4 | 398 | |
399 | #define D_CXX_CONCEPTS_FLAGS D_CXXONLY | D_CXX_CONCEPTS | |
5c6e5756 | 400 | |
401 | /* The reserved keyword table. */ | |
402 | extern const struct c_common_resword c_common_reswords[]; | |
403 | ||
404 | /* The number of items in the reserved keyword table. */ | |
405 | extern const unsigned int num_c_common_reswords; | |
406 | ||
924bbf02 | 407 | #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
408 | #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] | |
72040e7e | 409 | #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
f3449a3c | 410 | #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] |
55dbcdfe | 411 | #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
428a1c21 | 412 | #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
413 | #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
e3fff6f2 | 414 | #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
415 | #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
72040e7e | 416 | #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
417 | #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
418 | ||
f3449a3c | 419 | #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] |
420 | #define int8_type_node c_global_trees[CTI_INT8_TYPE] | |
421 | #define int16_type_node c_global_trees[CTI_INT16_TYPE] | |
422 | #define int32_type_node c_global_trees[CTI_INT32_TYPE] | |
423 | #define int64_type_node c_global_trees[CTI_INT64_TYPE] | |
424 | #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] | |
74bdbe96 | 425 | #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
f3449a3c | 426 | #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
427 | #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] | |
428 | #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] | |
429 | #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] | |
430 | #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] | |
431 | #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] | |
432 | #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] | |
433 | #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] | |
434 | #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] | |
435 | #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] | |
436 | #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] | |
437 | #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] | |
438 | #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] | |
439 | #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] | |
440 | #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] | |
441 | #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] | |
442 | #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] | |
443 | #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] | |
444 | #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] | |
445 | #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] | |
446 | ||
3c2239cf | 447 | #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
448 | #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
449 | #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
4f9a1c9b | 450 | |
72040e7e | 451 | #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
924bbf02 | 452 | #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
453 | #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] | |
72040e7e | 454 | #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
72040e7e | 455 | #define string_type_node c_global_trees[CTI_STRING_TYPE] |
456 | #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
457 | ||
458 | #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
72040e7e | 459 | |
65b7f83f | 460 | #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
461 | #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
462 | #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
463 | #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
71d9fc9b | 464 | |
ae84079f | 465 | /* The node for C++ `__null'. */ |
466 | #define null_node c_global_trees[CTI_NULL] | |
467 | ||
1f3233d1 | 468 | extern GTY(()) tree c_global_trees[CTI_MAX]; |
29d00ba7 | 469 | |
21dda4ee | 470 | /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
471 | tree for size reasons. */ | |
25a27413 | 472 | struct GTY(()) sorted_fields_type { |
860251be | 473 | int len; |
474 | tree GTY((length ("%h.len"))) elts[1]; | |
475 | }; | |
476 | ||
e41f0d80 | 477 | /* Mark which labels are explicitly declared. |
478 | These may be shadowed, and may be referenced from nested functions. */ | |
479 | #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
480 | ||
6dc50383 | 481 | enum c_language_kind |
29d00ba7 | 482 | { |
b2601928 | 483 | clk_c = 0, /* C90, C94, C99 or C11 */ |
c0f19401 | 484 | clk_objc = 1, /* clk_c with ObjC features. */ |
485 | clk_cxx = 2, /* ANSI/ISO C++ */ | |
486 | clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
6dc50383 | 487 | }; |
29d00ba7 | 488 | |
c0f19401 | 489 | /* To test for a specific language use c_language, defined by each |
490 | front end. For "ObjC features" or "not C++" use the macros. */ | |
491 | extern c_language_kind c_language; | |
492 | ||
90b8bebd | 493 | #define c_dialect_cxx() ((c_language & clk_cxx) != 0) |
494 | #define c_dialect_objc() ((c_language & clk_objc) != 0) | |
c0f19401 | 495 | |
f08923b3 | 496 | /* The various name of operator that appears in error messages. */ |
6dc50383 | 497 | enum ref_operator { |
f08923b3 | 498 | /* NULL */ |
499 | RO_NULL, | |
500 | /* array indexing */ | |
501 | RO_ARRAY_INDEXING, | |
502 | /* unary * */ | |
503 | RO_UNARY_STAR, | |
504 | /* -> */ | |
505 | RO_ARROW, | |
506 | /* implicit conversion */ | |
7354ad2e | 507 | RO_IMPLICIT_CONVERSION, |
508 | /* ->* */ | |
509 | RO_ARROW_STAR | |
6dc50383 | 510 | }; |
f08923b3 | 511 | |
a08e60ae | 512 | /* Information about a statement tree. */ |
513 | ||
fb1e4f4a | 514 | struct GTY(()) stmt_tree_s { |
cacfdc02 | 515 | /* A stack of statement lists being collected. */ |
f1f41a6c | 516 | vec<tree, va_gc> *x_cur_stmt_list; |
2363ef00 | 517 | |
d10cfa8d | 518 | /* In C++, Nonzero if we should treat statements as full |
61e987fc | 519 | expressions. In particular, this variable is non-zero if at the |
a08e60ae | 520 | end of a statement we should destroy any temporaries created |
521 | during that statement. Similarly, if, at the end of a block, we | |
522 | should destroy any local variables in this block. Normally, this | |
d10cfa8d | 523 | variable is nonzero, since those are the normal semantics of |
a08e60ae | 524 | C++. |
525 | ||
a08e60ae | 526 | This flag has no effect in C. */ |
5e6015b1 | 527 | int stmts_are_full_exprs_p; |
a08e60ae | 528 | }; |
529 | ||
530 | typedef struct stmt_tree_s *stmt_tree; | |
531 | ||
532 | /* Global state pertinent to the current function. Some C dialects | |
533 | extend this structure with additional fields. */ | |
534 | ||
fb1e4f4a | 535 | struct GTY(()) c_language_function { |
a08e60ae | 536 | /* While we are parsing the function, this contains information |
537 | about the statement-tree that we are building. */ | |
538 | struct stmt_tree_s x_stmt_tree; | |
a4e3ffad | 539 | |
540 | /* Vector of locally defined typedefs, for | |
541 | -Wunused-local-typedefs. */ | |
f1f41a6c | 542 | vec<tree, va_gc> *local_typedefs; |
a08e60ae | 543 | }; |
544 | ||
cacfdc02 | 545 | #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
546 | ||
0975351b | 547 | /* When building a statement-tree, this is the current statement list |
f1f41a6c | 548 | being collected. */ |
549 | #define cur_stmt_list (stmt_list_stack->last ()) | |
cacfdc02 | 550 | |
f1f41a6c | 551 | #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
e41f0d80 | 552 | |
553 | /* Language-specific hooks. */ | |
554 | ||
caa6fdce | 555 | /* If non-NULL, this function is called after a precompile header file |
556 | is loaded. */ | |
557 | extern void (*lang_post_pch_load) (void); | |
558 | ||
393b349a | 559 | extern void push_file_scope (void); |
560 | extern void pop_file_scope (void); | |
1cae46be | 561 | extern stmt_tree current_stmt_tree (void); |
2363ef00 | 562 | extern tree push_stmt_list (void); |
2363ef00 | 563 | extern tree pop_stmt_list (tree); |
1cae46be | 564 | extern tree add_stmt (tree); |
2363ef00 | 565 | extern void push_cleanup (tree, tree, bool); |
1e8e9920 | 566 | extern tree pushdecl_top_level (tree); |
567 | extern tree pushdecl (tree); | |
8458f4ca | 568 | extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
e60a6f7b | 569 | location_t, tree, tree); |
3c6d4197 | 570 | extern tree build_array_notation_expr (location_t, tree, tree, enum tree_code, |
571 | location_t, tree, tree); | |
572 | extern tree build_array_notation_ref (location_t, tree, tree, tree, tree, tree); | |
f08923b3 | 573 | extern tree build_indirect_ref (location_t, tree, ref_operator); |
1cae46be | 574 | |
860251be | 575 | extern int field_decl_cmp (const void *, const void *); |
a0c938f0 | 576 | extern void resort_sorted_fields (void *, void *, gt_pointer_operator, |
577 | void *); | |
9f627b1a | 578 | extern bool has_c_linkage (const_tree decl); |
547c6b1f | 579 | extern bool c_decl_implicit (const_tree); |
573aba85 | 580 | \f |
574a6990 | 581 | /* Switches common to the C front ends. */ |
582 | ||
f7070933 | 583 | /* Nonzero means don't output line number information. */ |
584 | ||
585 | extern char flag_no_line_commands; | |
586 | ||
587 | /* Nonzero causes -E output not to be done, but directives such as | |
588 | #define that have side effects are still obeyed. */ | |
589 | ||
590 | extern char flag_no_output; | |
591 | ||
34c3de48 | 592 | /* Nonzero means dump macros in some fashion; contains the 'D', 'M', |
593 | 'N' or 'U' of the command line switch. */ | |
f7070933 | 594 | |
595 | extern char flag_dump_macros; | |
596 | ||
597 | /* Nonzero means pass #include lines through to the output. */ | |
598 | ||
599 | extern char flag_dump_includes; | |
600 | ||
d718b525 | 601 | /* Nonzero means process PCH files while preprocessing. */ |
602 | ||
603 | extern bool flag_pch_preprocess; | |
604 | ||
573aba85 | 605 | /* The file name to which we should write a precompiled header, or |
606 | NULL if no header will be written in this compile. */ | |
607 | ||
608 | extern const char *pch_file; | |
609 | ||
1ed9d5f5 | 610 | /* Nonzero if an ISO standard was selected. It rejects macros in the |
611 | user's namespace. */ | |
573aba85 | 612 | |
1ed9d5f5 | 613 | extern int flag_iso; |
614 | ||
574a6990 | 615 | /* C/ObjC language option variables. */ |
dbf6c367 | 616 | |
481c6ce6 | 617 | |
574a6990 | 618 | /* Nonzero means allow type mismatches in conditional expressions; |
619 | just make their values `void'. */ | |
e37414d8 | 620 | |
574a6990 | 621 | extern int flag_cond_mismatch; |
bd08a4e6 | 622 | |
ec35ee92 | 623 | /* Nonzero means enable C89 Amendment 1 features. */ |
49bc3768 | 624 | |
625 | extern int flag_isoc94; | |
626 | ||
32074525 | 627 | /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
29d00ba7 | 628 | |
629 | extern int flag_isoc99; | |
630 | ||
32074525 | 631 | /* Nonzero means use the ISO C11 dialect of C. */ |
39012afb | 632 | |
32074525 | 633 | extern int flag_isoc11; |
39012afb | 634 | |
8b332087 | 635 | /* Nonzero means that we have builtin functions, and main is an int. */ |
9bee1c90 | 636 | |
637 | extern int flag_hosted; | |
638 | ||
574a6990 | 639 | /* ObjC language option variables. */ |
640 | ||
641 | ||
574a6990 | 642 | /* Tells the compiler that this is a special run. Do not perform any |
643 | compiling, instead we are to test some platform dependent features | |
644 | and output a C header file with appropriate definitions. */ | |
645 | ||
646 | extern int print_struct_values; | |
647 | ||
ec9c816b | 648 | /* Tells the compiler what is the constant string class for ObjC. */ |
574a6990 | 649 | |
e23fd334 | 650 | extern const char *constant_string_class_name; |
574a6990 | 651 | |
574a6990 | 652 | |
653 | /* C++ language option variables. */ | |
654 | ||
229a58b1 | 655 | /* The reference version of the ABI for -Wabi. */ |
656 | ||
657 | extern int warn_abi_version; | |
574a6990 | 658 | |
74b777e5 | 659 | /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is |
229a58b1 | 660 | less than N and the other is at least N. */ |
661 | #define abi_compat_version_crosses(N) \ | |
74b777e5 | 662 | (abi_version_at_least(N) \ |
663 | != (flag_abi_compat_version == 0 \ | |
664 | || flag_abi_compat_version >= (N))) | |
665 | ||
229a58b1 | 666 | /* Return TRUE if one of {flag_abi_version,warn_abi_version} is |
667 | less than N and the other is at least N, for use by -Wabi. */ | |
668 | #define abi_version_crosses(N) \ | |
669 | (abi_version_at_least(N) \ | |
670 | != (warn_abi_version == 0 \ | |
671 | || warn_abi_version >= (N))) | |
672 | ||
574a6990 | 673 | /* Nonzero means generate separate instantiation control files and |
674 | juggle them at link time. */ | |
675 | ||
676 | extern int flag_use_repository; | |
677 | ||
6dcdb5de | 678 | /* The supported C++ dialects. */ |
679 | ||
680 | enum cxx_dialect { | |
d875b9d2 | 681 | cxx_unset, |
0d84dc2d | 682 | /* C++98 with TC1 */ |
6dcdb5de | 683 | cxx98, |
0d84dc2d | 684 | cxx03 = cxx98, |
685 | /* C++11 */ | |
686 | cxx0x, | |
543efdbe | 687 | cxx11 = cxx0x, |
c35e53f1 | 688 | /* C++14 */ |
689 | cxx14, | |
4b53bc0f | 690 | /* C++1z (C++17?) */ |
691 | cxx1z | |
6dcdb5de | 692 | }; |
0fe6eeac | 693 | |
6dcdb5de | 694 | /* The C++ dialect being used. C++98 is the default. */ |
695 | extern enum cxx_dialect cxx_dialect; | |
0fe6eeac | 696 | |
574a6990 | 697 | /* Maximum template instantiation depth. This limit is rather |
698 | arbitrary, but it exists to limit the time it takes to notice | |
54cf6eed | 699 | excessively recursive template instantiations. */ |
574a6990 | 700 | |
701 | extern int max_tinst_depth; | |
29d00ba7 | 702 | |
48d94ede | 703 | /* Nonzero means that we should not issue warnings about problems that |
704 | occur when the code is executed, because the code being processed | |
705 | is not expected to be executed. This is set during parsing. This | |
706 | is used for cases like sizeof() and "0 ? a : b". This is a count, | |
707 | not a bool, because unexecuted expressions can nest. */ | |
93894129 | 708 | |
48d94ede | 709 | extern int c_inhibit_evaluation_warnings; |
93894129 | 710 | |
7f5f3953 | 711 | /* Whether lexing has been completed, so subsequent preprocessor |
712 | errors should use the compiler's input_location. */ | |
713 | ||
714 | extern bool done_lexing; | |
715 | ||
29d00ba7 | 716 | /* C types are partitioned into three subsets: object, function, and |
717 | incomplete types. */ | |
718 | #define C_TYPE_OBJECT_P(type) \ | |
719 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
720 | ||
721 | #define C_TYPE_INCOMPLETE_P(type) \ | |
722 | (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
723 | ||
724 | #define C_TYPE_FUNCTION_P(type) \ | |
725 | (TREE_CODE (type) == FUNCTION_TYPE) | |
726 | ||
727 | /* For convenience we define a single macro to identify the class of | |
728 | object or incomplete types. */ | |
729 | #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
730 | (!C_TYPE_FUNCTION_P (type)) | |
731 | ||
79396169 | 732 | struct visibility_flags |
733 | { | |
734 | unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ | |
735 | unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ | |
736 | }; | |
737 | ||
e53013a8 | 738 | /* These enumerators are possible types of unsafe conversions. */ |
739 | enum conversion_safety { | |
740 | /* The conversion is safe. */ | |
741 | SAFE_CONVERSION = 0, | |
742 | /* Another type of conversion with problems. */ | |
743 | UNSAFE_OTHER, | |
744 | /* Conversion between signed and unsigned integers | |
745 | which are all warned about immediately, so this is unused. */ | |
746 | UNSAFE_SIGN, | |
747 | /* Conversions that reduce the precision of reals including conversions | |
748 | from reals to integers. */ | |
749 | UNSAFE_REAL, | |
750 | /* Conversions from complex to reals or integers, that discard imaginary | |
751 | component. */ | |
752 | UNSAFE_IMAGINARY | |
753 | }; | |
ca9d7d74 | 754 | |
79396169 | 755 | /* Global visibility options. */ |
756 | extern struct visibility_flags visibility_options; | |
757 | ||
f8e93a2e | 758 | /* Attribute table common to the C front ends. */ |
759 | extern const struct attribute_spec c_common_attribute_table[]; | |
760 | extern const struct attribute_spec c_common_format_attribute_table[]; | |
761 | ||
65b7f83f | 762 | /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
9e5a737d | 763 | ID is the identifier to use, NAME is the string. |
764 | TYPE_DEP indicates whether it depends on type of the function or not | |
765 | (i.e. __PRETTY_FUNCTION__). */ | |
766 | ||
e60a6f7b | 767 | extern tree (*make_fname_decl) (location_t, tree, int); |
1cae46be | 768 | |
6ad8abad | 769 | /* In c-decl.c and cp/tree.c. FIXME. */ |
34208e18 | 770 | extern void c_register_addr_space (const char *str, addr_space_t as); |
6ad8abad | 771 | |
772 | /* In c-common.c. */ | |
93be21c0 | 773 | extern bool in_late_binary_op; |
6d5d708e | 774 | extern const char *c_addr_space_name (addr_space_t as); |
1cae46be | 775 | extern tree identifier_global_value (tree); |
27282252 | 776 | extern tree c_linkage_bindings (tree); |
1cae46be | 777 | extern void record_builtin_type (enum rid, const char *, tree); |
778 | extern tree build_void_list_node (void); | |
779 | extern void start_fname_decls (void); | |
780 | extern void finish_fname_decls (void); | |
781 | extern const char *fname_as_string (int); | |
e3b80d49 | 782 | extern tree fname_decl (location_t, unsigned, tree); |
1cae46be | 783 | |
83e25171 | 784 | extern int check_user_alignment (const_tree, bool); |
774e9d58 | 785 | extern void check_function_arguments (const_tree, int, tree *); |
1cae46be | 786 | extern void check_function_arguments_recurse (void (*) |
787 | (void *, tree, | |
788 | unsigned HOST_WIDE_INT), | |
789 | void *, tree, | |
790 | unsigned HOST_WIDE_INT); | |
d43cee80 | 791 | extern bool check_builtin_function_arguments (tree, int, tree *); |
d01f58f9 | 792 | extern void check_function_format (tree, int, tree *); |
1cae46be | 793 | extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
794 | extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
47b19b94 | 795 | extern bool attribute_takes_identifier_p (const_tree); |
3c6c0e40 | 796 | extern bool c_common_handle_option (size_t, const char *, int, int, location_t, |
b78351e5 | 797 | const struct cl_option_handlers *); |
c94b1d0e | 798 | extern bool default_handle_c_option (size_t, const char *, int); |
3754d046 | 799 | extern tree c_common_type_for_mode (machine_mode, int); |
1cae46be | 800 | extern tree c_common_type_for_size (unsigned int, int); |
9421ebb9 | 801 | extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, |
802 | int, int); | |
11773141 | 803 | extern tree c_common_unsigned_type (tree); |
1cae46be | 804 | extern tree c_common_signed_type (tree); |
805 | extern tree c_common_signed_or_unsigned_type (int, tree); | |
9b88d08d | 806 | extern void c_common_init_ts (void); |
c0e47fd4 | 807 | extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
22a75734 | 808 | extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, |
809 | bool); | |
9f627b1a | 810 | extern bool decl_with_nonnull_addr_p (const_tree); |
a75b1c71 | 811 | extern tree c_fully_fold (tree, bool, bool *); |
f59e3889 | 812 | extern tree c_wrap_maybe_const (tree, bool); |
a75b1c71 | 813 | extern tree c_save_expr (tree); |
8e70fb09 | 814 | extern tree c_common_truthvalue_conversion (location_t, tree); |
1cae46be | 815 | extern void c_apply_type_quals_to_decl (int, tree); |
a179a7dc | 816 | extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
e60a6f7b | 817 | extern tree c_alignof_expr (location_t, tree); |
72040e7e | 818 | /* Print an error message for invalid operands to arith operation CODE. |
819 | NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
c0bf500c | 820 | extern void binary_op_error (rich_location *, enum tree_code, tree, tree); |
1cae46be | 821 | extern tree fix_string_type (tree); |
1cae46be | 822 | extern void constant_expression_warning (tree); |
07317e69 | 823 | extern void constant_expression_error (tree); |
e6fa0ea6 | 824 | extern bool strict_aliasing_warning (tree, tree, tree); |
57f872a2 | 825 | extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
f1f41a6c | 826 | vec<tree, va_gc> *, tree *, |
f003f5dc | 827 | bool (*) (tree, tree)); |
22a75734 | 828 | extern void warnings_for_convert_and_check (location_t, tree, tree, tree); |
829 | extern tree convert_and_check (location_t, tree, tree); | |
e60a6f7b | 830 | extern void overflow_warning (location_t, tree); |
3d177e8c | 831 | extern bool warn_if_unused_value (const_tree, location_t); |
9c20c4fc | 832 | extern void warn_logical_operator (location_t, enum tree_code, tree, |
03033af4 | 833 | enum tree_code, tree, enum tree_code, tree); |
dc6229e8 | 834 | extern void warn_logical_not_parentheses (location_t, enum tree_code, tree); |
6784a472 | 835 | extern void warn_tautological_cmp (location_t, enum tree_code, tree, tree); |
3f08e399 | 836 | extern void check_main_parameter_types (tree decl); |
3aa0c315 | 837 | extern bool c_determine_visibility (tree); |
73437615 | 838 | extern bool vector_types_compatible_elements_p (tree, tree); |
3ae3a17f | 839 | extern void mark_valid_location_for_stdc_pragma (bool); |
840 | extern bool valid_location_for_stdc_pragma_p (void); | |
841 | extern void set_float_const_decimal64 (void); | |
842 | extern void clear_float_const_decimal64 (void); | |
843 | extern bool float_const_decimal64_p (void); | |
29d00ba7 | 844 | |
a9ffdd35 | 845 | extern bool keyword_begins_type_specifier (enum rid); |
846 | extern bool keyword_is_storage_class_specifier (enum rid); | |
847 | extern bool keyword_is_type_qualifier (enum rid); | |
fad3f658 | 848 | extern bool keyword_is_decl_specifier (enum rid); |
ffcdbf9c | 849 | extern bool cxx_fundamental_alignment_p (unsigned); |
46da3601 | 850 | extern bool pointer_to_zero_sized_aggr_p (tree); |
a9ffdd35 | 851 | |
a179a7dc | 852 | #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
853 | #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) | |
72040e7e | 854 | |
2561cea2 | 855 | /* Subroutine of build_binary_op, used for certain operations. */ |
856 | extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); | |
857 | ||
72040e7e | 858 | /* Subroutine of build_binary_op, used for comparison operations. |
859 | See if the operands have both been converted from subword integer types | |
860 | and, if so, perhaps change them both back to their original type. */ | |
2623625f | 861 | extern tree shorten_compare (location_t, tree *, tree *, tree *, |
862 | enum tree_code *); | |
72040e7e | 863 | |
42f9a786 | 864 | extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
865 | bool = true); | |
83e32a86 | 866 | |
867 | /* Add qualifiers to a type, in the fashion for C. */ | |
89f16034 | 868 | extern tree c_build_qualified_type (tree, int, tree = NULL_TREE, size_t = 0); |
83e32a86 | 869 | |
72040e7e | 870 | /* Build tree nodes and builtin functions common to both C and C++ language |
871 | frontends. */ | |
1cae46be | 872 | extern void c_common_nodes_and_builtins (void); |
a66c9326 | 873 | |
1cae46be | 874 | extern void disable_builtin_function (const char *); |
dd878098 | 875 | |
79b01846 | 876 | extern void set_compound_literal_name (tree decl); |
877 | ||
e60a6f7b | 878 | extern tree build_va_arg (location_t, tree, tree); |
43f74bc4 | 879 | |
c123f04d | 880 | extern const unsigned int c_family_lang_mask; |
e88d34f6 | 881 | extern unsigned int c_common_option_lang_mask (void); |
32ecf960 | 882 | extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
e88d34f6 | 883 | extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
f3f006ad | 884 | extern void c_common_init_options_struct (struct gcc_options *); |
e88d34f6 | 885 | extern void c_common_init_options (unsigned int, struct cl_decoded_option *); |
1cae46be | 886 | extern bool c_common_post_options (const char **); |
887 | extern bool c_common_init (void); | |
888 | extern void c_common_finish (void); | |
b8ba44e7 | 889 | extern void c_common_parse_file (void); |
8f7fba47 | 890 | extern FILE *get_dump_info (int, int *); |
32c2fdea | 891 | extern alias_set_type c_common_get_alias_set (tree); |
b268e47e | 892 | extern void c_register_builtin_type (tree, const char*); |
9f627b1a | 893 | extern bool c_promoting_integer_type_p (const_tree); |
894 | extern int self_promoting_args_p (const_tree); | |
c10de5e7 | 895 | extern tree strip_pointer_operator (tree); |
57a0ed23 | 896 | extern tree strip_pointer_or_array_types (tree); |
624d37a6 | 897 | extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
92915e1c | 898 | |
40109983 | 899 | /* This is the basic parsing function. */ |
900 | extern void c_parse_file (void); | |
40109983 | 901 | |
3a1c9df2 | 902 | extern void c_parse_final_cleanups (void); |
903 | ||
b9bdfa0b | 904 | extern void warn_for_omitted_condop (location_t, tree); |
624d37a6 | 905 | |
a08e60ae | 906 | /* These macros provide convenient access to the various _STMT nodes. */ |
907 | ||
2363ef00 | 908 | /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
909 | if a statement expression. */ | |
910 | #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
911 | TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
2e3f4877 | 912 | |
913 | /* Nonzero if a label has been added to the statement list. */ | |
914 | #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
915 | TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
2363ef00 | 916 | |
a75b1c71 | 917 | /* C_MAYBE_CONST_EXPR accessors. */ |
918 | #define C_MAYBE_CONST_EXPR_PRE(NODE) \ | |
919 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) | |
920 | #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ | |
921 | TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) | |
922 | #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ | |
923 | TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
924 | #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ | |
925 | TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
926 | #define EXPR_INT_CONST_OPERANDS(EXPR) \ | |
927 | (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ | |
928 | && (TREE_CODE (EXPR) == INTEGER_CST \ | |
929 | || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ | |
930 | && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) | |
931 | ||
c25509f2 | 932 | /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
933 | #define DECL_C_BIT_FIELD(NODE) \ | |
934 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
935 | #define SET_DECL_C_BIT_FIELD(NODE) \ | |
936 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
937 | #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
938 | (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
939 | ||
e60a6f7b | 940 | extern tree do_case (location_t, tree, tree); |
941 | extern tree build_stmt (location_t, enum tree_code, ...); | |
0b5fc5d6 | 942 | extern tree build_real_imag_expr (location_t, enum tree_code, tree); |
5c3247a9 | 943 | |
29d00ba7 | 944 | /* These functions must be defined by each front-end which implements |
945 | a variant of the C language. They are used in c-common.c. */ | |
946 | ||
b6889cb0 | 947 | extern tree build_unary_op (location_t, enum tree_code, tree, int); |
8e70fb09 | 948 | extern tree build_binary_op (location_t, enum tree_code, tree, tree, int); |
b96dc121 | 949 | extern tree perform_integral_promotions (tree); |
29d00ba7 | 950 | |
8f0d6fd4 | 951 | /* These functions must be defined by each front-end which implements |
952 | a variant of the C language. They are used by port files. */ | |
953 | ||
954 | extern tree default_conversion (tree); | |
955 | ||
29d00ba7 | 956 | /* Given two integer or real types, return the type for their sum. |
957 | Given two compatible ANSI C types, returns the merged type. */ | |
958 | ||
1cae46be | 959 | extern tree common_type (tree, tree); |
351c3a61 | 960 | |
1cae46be | 961 | extern tree decl_constant_value (tree); |
225ec6aa | 962 | |
4f9a1c9b | 963 | /* Handle increment and decrement of boolean types. */ |
1cae46be | 964 | extern tree boolean_increment (enum tree_code, tree); |
4f9a1c9b | 965 | |
1cae46be | 966 | extern int case_compare (splay_tree_key, splay_tree_key); |
e41f0d80 | 967 | |
be23b16f | 968 | extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree, |
969 | bool *); | |
e41f0d80 | 970 | |
be23b16f | 971 | extern void c_do_switch_warnings (splay_tree, location_t, tree, tree, bool, |
972 | bool); | |
4ee9c684 | 973 | |
e60a6f7b | 974 | extern tree build_function_call (location_t, tree, tree); |
edbbe5ca | 975 | |
ec761d5a | 976 | extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
977 | vec<tree, va_gc> *, vec<tree, va_gc> *); | |
b9c74b4d | 978 | |
f1f41a6c | 979 | extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
b6a5fc45 | 980 | |
dda49785 | 981 | extern tree finish_label_address_expr (tree, location_t); |
d0a47c8d | 982 | |
983 | /* Same function prototype, but the C and C++ front ends have | |
984 | different implementations. Used in c-common.c. */ | |
1cae46be | 985 | extern tree lookup_label (tree); |
d1c41717 | 986 | extern tree lookup_name (tree); |
79973b57 | 987 | extern bool lvalue_p (const_tree); |
d0a47c8d | 988 | |
ed7c4e62 | 989 | extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
9f627b1a | 990 | extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); |
68ea4406 | 991 | extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
8b4b9810 | 992 | |
1cae46be | 993 | extern void init_c_lex (void); |
90cc7820 | 994 | |
1cae46be | 995 | extern void c_cpp_builtins (cpp_reader *); |
46f8e3b0 | 996 | extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); |
f0479000 | 997 | extern bool c_cpp_error (cpp_reader *, int, int, rich_location *, |
9f19e0f9 | 998 | const char *, va_list *) |
f0479000 | 999 | ATTRIBUTE_GCC_DIAG(5,0); |
33058239 | 1000 | extern int c_common_has_attribute (cpp_reader *); |
6019c708 | 1001 | |
92468061 | 1002 | extern bool parse_optimize_options (tree, bool); |
1003 | ||
be1ee46e | 1004 | /* Positive if an implicit `extern "C"' scope has just been entered; |
1005 | negative if such a scope has just been exited. */ | |
34585765 | 1006 | extern GTY(()) int pending_lang_change; |
be1ee46e | 1007 | |
518796ad | 1008 | /* Information recorded about each file examined during compilation. */ |
1009 | ||
1010 | struct c_fileinfo | |
1011 | { | |
1012 | int time; /* Time spent in the file. */ | |
62bf98ad | 1013 | |
1014 | /* Flags used only by C++. | |
1015 | INTERFACE_ONLY nonzero means that we are in an "interface" section | |
1016 | of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
1017 | the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
1018 | INTERFACE_ONLY is zero, it means that we are responsible for | |
1019 | exporting definitions that others might need. */ | |
1020 | short interface_only; | |
518796ad | 1021 | short interface_unknown; |
1022 | }; | |
1023 | ||
1cae46be | 1024 | struct c_fileinfo *get_fileinfo (const char *); |
1025 | extern void dump_time_statistics (void); | |
1026 | ||
1027 | extern bool c_dump_tree (void *, tree); | |
1028 | ||
2569a1be | 1029 | extern void verify_sequence_points (tree); |
1030 | ||
aeaccb75 | 1031 | extern tree fold_offsetof_1 (tree, tree_code ctx = ERROR_MARK); |
7549df0d | 1032 | extern tree fold_offsetof (tree); |
af28855b | 1033 | |
ab6bb714 | 1034 | /* Places where an lvalue, or modifiable lvalue, may be required. |
e35976b1 | 1035 | Used to select diagnostic messages in lvalue_error and |
ab6bb714 | 1036 | readonly_error. */ |
1037 | enum lvalue_use { | |
1038 | lv_assign, | |
1039 | lv_increment, | |
1040 | lv_decrement, | |
1041 | lv_addressof, | |
1042 | lv_asm | |
1043 | }; | |
1044 | ||
f2697631 | 1045 | extern void readonly_error (location_t, tree, enum lvalue_use); |
fdd84b77 | 1046 | extern void lvalue_error (location_t, enum lvalue_use); |
b1bbc8e5 | 1047 | extern void invalid_indirection_error (location_t, tree, ref_operator); |
ab6bb714 | 1048 | |
c271bdb2 | 1049 | extern int complete_array_type (tree *, tree, bool); |
1050 | ||
b6a5fc45 | 1051 | extern tree builtin_type_for_size (int, bool); |
1052 | ||
93426222 | 1053 | extern void c_common_mark_addressable_vec (tree); |
1054 | ||
92b63884 | 1055 | extern void warn_array_subscript_with_type_char (location_t, tree); |
b0e7825e | 1056 | extern void warn_about_parentheses (location_t, |
1057 | enum tree_code, | |
82012ffe | 1058 | enum tree_code, tree, |
1059 | enum tree_code, tree); | |
92fccaaa | 1060 | extern void warn_for_unused_label (tree label); |
b6889cb0 | 1061 | extern void warn_for_div_by_zero (location_t, tree divisor); |
8e70fb09 | 1062 | extern void warn_for_sign_compare (location_t, |
48e1416a | 1063 | tree orig_op0, tree orig_op1, |
1064 | tree op0, tree op1, | |
1065 | tree result_type, | |
13869a99 | 1066 | enum tree_code resultcode); |
0949f227 | 1067 | extern void do_warn_unused_parameter (tree); |
5ba33bf4 | 1068 | extern void do_warn_double_promotion (tree, tree, tree, const char *, |
1069 | location_t); | |
ab77850e | 1070 | extern void set_underlying_type (tree); |
68a2c870 | 1071 | extern void record_types_used_by_current_var_decl (tree); |
a4e3ffad | 1072 | extern void record_locally_defined_typedef (tree); |
1073 | extern void maybe_record_typedef_use (tree); | |
1074 | extern void maybe_warn_unused_local_typedefs (void); | |
78bf4156 | 1075 | extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); |
8d669e79 | 1076 | extern bool maybe_warn_shift_overflow (location_t, tree, tree); |
f1f41a6c | 1077 | extern vec<tree, va_gc> *make_tree_vector (void); |
1078 | extern void release_tree_vector (vec<tree, va_gc> *); | |
1079 | extern vec<tree, va_gc> *make_tree_vector_single (tree); | |
1080 | extern vec<tree, va_gc> *make_tree_vector_from_list (tree); | |
1081 | extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); | |
e534436e | 1082 | |
c1917557 | 1083 | /* Used for communication between c_common_type_for_mode and |
1084 | c_register_builtin_type. */ | |
1085 | extern GTY(()) tree registered_builtin_types; | |
1086 | ||
8495c0ca | 1087 | /* In c-gimplify.c */ |
4ee9c684 | 1088 | extern void c_genericize (tree); |
75a70cf9 | 1089 | extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); |
e60a6f7b | 1090 | extern tree c_build_bind_expr (location_t, tree, tree); |
4ee9c684 | 1091 | |
dbd79382 | 1092 | /* In c-lex.c. */ |
1093 | extern enum cpp_ttype | |
1094 | conflict_marker_get_final_tok_kind (enum cpp_ttype tok1_kind); | |
1095 | ||
d718b525 | 1096 | /* In c-pch.c */ |
1cae46be | 1097 | extern void pch_init (void); |
6adc88f8 | 1098 | extern void pch_cpp_save_state (void); |
1cae46be | 1099 | extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); |
1100 | extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
1101 | const char *orig); | |
1102 | extern void c_common_write_pch (void); | |
ddf4604f | 1103 | extern void c_common_no_more_pch (void); |
b75b98aa | 1104 | extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
f1035767 | 1105 | |
1106 | /* In *-checksum.c */ | |
1107 | extern const unsigned char executable_checksum[16]; | |
d718b525 | 1108 | |
46f8e3b0 | 1109 | /* In c-cppbuiltin.c */ |
1110 | extern void builtin_define_std (const char *macro); | |
1cae46be | 1111 | extern void builtin_define_with_value (const char *, const char *, int); |
4b11ffbd | 1112 | extern void builtin_define_with_int_value (const char *, HOST_WIDE_INT); |
1113 | extern void builtin_define_type_sizeof (const char *, tree); | |
1cae46be | 1114 | extern void c_stddef_cpp_builtins (void); |
551e34da | 1115 | extern void fe_file_change (const line_map_ordinary *); |
ba99525e | 1116 | extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char); |
e920deaf | 1117 | |
1118 | /* In c-ppoutput.c */ | |
1cae46be | 1119 | extern void init_pp_output (FILE *); |
1120 | extern void preprocess_file (cpp_reader *); | |
551e34da | 1121 | extern void pp_file_change (const line_map_ordinary *); |
d732fcf0 | 1122 | extern void pp_dir_change (cpp_reader *, const char *); |
be7350e7 | 1123 | extern bool check_missing_format_attribute (tree, tree); |
573aba85 | 1124 | |
1e8e9920 | 1125 | /* In c-omp.c */ |
bc7bff74 | 1126 | struct omp_clause_mask |
1127 | { | |
1128 | inline omp_clause_mask (); | |
8c072e52 | 1129 | inline omp_clause_mask (uint64_t l); |
1130 | inline omp_clause_mask (uint64_t l, uint64_t h); | |
bc7bff74 | 1131 | inline omp_clause_mask &operator &= (omp_clause_mask); |
1132 | inline omp_clause_mask &operator |= (omp_clause_mask); | |
1133 | inline omp_clause_mask operator ~ () const; | |
1134 | inline omp_clause_mask operator & (omp_clause_mask) const; | |
1135 | inline omp_clause_mask operator | (omp_clause_mask) const; | |
1136 | inline omp_clause_mask operator >> (int); | |
1137 | inline omp_clause_mask operator << (int); | |
1138 | inline bool operator == (omp_clause_mask) const; | |
d62c713e | 1139 | inline bool operator != (omp_clause_mask) const; |
8c072e52 | 1140 | uint64_t low, high; |
bc7bff74 | 1141 | }; |
1142 | ||
1143 | inline | |
1144 | omp_clause_mask::omp_clause_mask () | |
1145 | { | |
1146 | } | |
1147 | ||
1148 | inline | |
8c072e52 | 1149 | omp_clause_mask::omp_clause_mask (uint64_t l) |
bc7bff74 | 1150 | : low (l), high (0) |
1151 | { | |
1152 | } | |
1153 | ||
1154 | inline | |
8c072e52 | 1155 | omp_clause_mask::omp_clause_mask (uint64_t l, uint64_t h) |
bc7bff74 | 1156 | : low (l), high (h) |
1157 | { | |
1158 | } | |
1159 | ||
1160 | inline omp_clause_mask & | |
1161 | omp_clause_mask::operator &= (omp_clause_mask b) | |
1162 | { | |
1163 | low &= b.low; | |
1164 | high &= b.high; | |
1165 | return *this; | |
1166 | } | |
1167 | ||
1168 | inline omp_clause_mask & | |
1169 | omp_clause_mask::operator |= (omp_clause_mask b) | |
1170 | { | |
1171 | low |= b.low; | |
1172 | high |= b.high; | |
1173 | return *this; | |
1174 | } | |
1175 | ||
1176 | inline omp_clause_mask | |
1177 | omp_clause_mask::operator ~ () const | |
1178 | { | |
1179 | omp_clause_mask ret (~low, ~high); | |
1180 | return ret; | |
1181 | } | |
1182 | ||
1183 | inline omp_clause_mask | |
1184 | omp_clause_mask::operator | (omp_clause_mask b) const | |
1185 | { | |
1186 | omp_clause_mask ret (low | b.low, high | b.high); | |
1187 | return ret; | |
1188 | } | |
1189 | ||
1190 | inline omp_clause_mask | |
1191 | omp_clause_mask::operator & (omp_clause_mask b) const | |
1192 | { | |
1193 | omp_clause_mask ret (low & b.low, high & b.high); | |
1194 | return ret; | |
1195 | } | |
1196 | ||
1197 | inline omp_clause_mask | |
1198 | omp_clause_mask::operator << (int amount) | |
1199 | { | |
1200 | omp_clause_mask ret; | |
8c072e52 | 1201 | if (amount >= 64) |
bc7bff74 | 1202 | { |
1203 | ret.low = 0; | |
8c072e52 | 1204 | ret.high = low << (amount - 64); |
bc7bff74 | 1205 | } |
1206 | else if (amount == 0) | |
1207 | ret = *this; | |
1208 | else | |
1209 | { | |
1210 | ret.low = low << amount; | |
8c072e52 | 1211 | ret.high = (low >> (64 - amount)) | (high << amount); |
bc7bff74 | 1212 | } |
1213 | return ret; | |
1214 | } | |
1215 | ||
1216 | inline omp_clause_mask | |
1217 | omp_clause_mask::operator >> (int amount) | |
1218 | { | |
1219 | omp_clause_mask ret; | |
8c072e52 | 1220 | if (amount >= 64) |
bc7bff74 | 1221 | { |
8c072e52 | 1222 | ret.low = high >> (amount - 64); |
bc7bff74 | 1223 | ret.high = 0; |
1224 | } | |
1225 | else if (amount == 0) | |
1226 | ret = *this; | |
1227 | else | |
1228 | { | |
8c072e52 | 1229 | ret.low = (high << (64 - amount)) | (low >> amount); |
bc7bff74 | 1230 | ret.high = high >> amount; |
1231 | } | |
1232 | return ret; | |
1233 | } | |
1234 | ||
1235 | inline bool | |
1236 | omp_clause_mask::operator == (omp_clause_mask b) const | |
1237 | { | |
1238 | return low == b.low && high == b.high; | |
1239 | } | |
1240 | ||
d62c713e | 1241 | inline bool |
1242 | omp_clause_mask::operator != (omp_clause_mask b) const | |
1243 | { | |
1244 | return low != b.low || high != b.high; | |
1245 | } | |
1246 | ||
8c072e52 | 1247 | #define OMP_CLAUSE_MASK_1 omp_clause_mask (1) |
bc7bff74 | 1248 | |
1249 | enum c_omp_clause_split | |
1250 | { | |
1251 | C_OMP_CLAUSE_SPLIT_TARGET = 0, | |
1252 | C_OMP_CLAUSE_SPLIT_TEAMS, | |
1253 | C_OMP_CLAUSE_SPLIT_DISTRIBUTE, | |
1254 | C_OMP_CLAUSE_SPLIT_PARALLEL, | |
1255 | C_OMP_CLAUSE_SPLIT_FOR, | |
1256 | C_OMP_CLAUSE_SPLIT_SIMD, | |
1257 | C_OMP_CLAUSE_SPLIT_COUNT, | |
43895be5 | 1258 | C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR, |
1259 | C_OMP_CLAUSE_SPLIT_TASKLOOP = C_OMP_CLAUSE_SPLIT_FOR | |
bc7bff74 | 1260 | }; |
1261 | ||
e60a6f7b | 1262 | extern tree c_finish_omp_master (location_t, tree); |
bc7bff74 | 1263 | extern tree c_finish_omp_taskgroup (location_t, tree); |
43895be5 | 1264 | extern tree c_finish_omp_critical (location_t, tree, tree, tree); |
1265 | extern tree c_finish_omp_ordered (location_t, tree, tree); | |
e60a6f7b | 1266 | extern void c_finish_omp_barrier (location_t); |
2169f33b | 1267 | extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, |
9561765e | 1268 | tree, tree, tree, tree, tree, bool, bool, |
1269 | bool = false); | |
e60a6f7b | 1270 | extern void c_finish_omp_flush (location_t); |
1271 | extern void c_finish_omp_taskwait (location_t); | |
2169f33b | 1272 | extern void c_finish_omp_taskyield (location_t); |
bc7bff74 | 1273 | extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, |
43895be5 | 1274 | tree, tree, tree, tree); |
9561765e | 1275 | extern bool c_omp_check_loop_iv (tree, tree, walk_tree_lh); |
1276 | extern bool c_omp_check_loop_iv_exprs (location_t, tree, tree, tree, tree, | |
1277 | walk_tree_lh); | |
ca4c3545 | 1278 | extern tree c_finish_oacc_wait (location_t, tree, tree); |
2c4c8725 | 1279 | extern tree c_oacc_split_loop_clauses (tree, tree *); |
bc7bff74 | 1280 | extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, |
1281 | tree, tree *); | |
1282 | extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); | |
1283 | extern void c_omp_declare_simd_clauses_to_decls (tree, tree); | |
1e8e9920 | 1284 | extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
1285 | ||
a68f7a8d | 1286 | /* Return next tree in the chain for chain_next walking of tree nodes. */ |
1287 | static inline tree | |
1288 | c_tree_chain_next (tree t) | |
1289 | { | |
1290 | /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different | |
1291 | kind of object, never a long chain of nodes. Prefer | |
1292 | TYPE_NEXT_VARIANT for types. */ | |
1293 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) | |
1294 | return TYPE_NEXT_VARIANT (t); | |
1295 | /* Otherwise, if there is TREE_CHAIN, return it. */ | |
1296 | if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) | |
1297 | return TREE_CHAIN (t); | |
1298 | return NULL; | |
1299 | } | |
1300 | ||
4c0315d0 | 1301 | /* Mask used by tm_stmt_attr. */ |
1302 | #define TM_STMT_ATTR_OUTER 2 | |
1303 | #define TM_STMT_ATTR_ATOMIC 4 | |
1304 | #define TM_STMT_ATTR_RELAXED 8 | |
1305 | ||
1306 | extern int parse_tm_stmt_attr (tree, int); | |
1307 | ||
1308 | /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these | |
1309 | are ordered specifically such that more restrictive attributes are | |
1310 | at lower bit positions. This fact is known by the C++ tm attribute | |
1311 | inheritance code such that least bit extraction (mask & -mask) results | |
1312 | in the most restrictive attribute. */ | |
1313 | #define TM_ATTR_SAFE 1 | |
1314 | #define TM_ATTR_CALLABLE 2 | |
1315 | #define TM_ATTR_PURE 4 | |
1316 | #define TM_ATTR_IRREVOCABLE 8 | |
1317 | #define TM_ATTR_MAY_CANCEL_OUTER 16 | |
1318 | ||
1319 | extern int tm_attr_to_mask (tree); | |
1320 | extern tree tm_mask_to_attr (int); | |
1321 | extern tree find_tm_attribute (tree); | |
1322 | ||
244db24d | 1323 | /* A suffix-identifier value doublet that represents user-defined literals |
1324 | for C++-0x. */ | |
324ca377 | 1325 | enum overflow_type { |
1326 | OT_UNDERFLOW = -1, | |
1327 | OT_NONE, | |
1328 | OT_OVERFLOW | |
1329 | }; | |
1330 | ||
244db24d | 1331 | struct GTY(()) tree_userdef_literal { |
1332 | struct tree_base base; | |
1333 | tree suffix_id; | |
1334 | tree value; | |
1335 | tree num_string; | |
324ca377 | 1336 | enum overflow_type overflow; |
244db24d | 1337 | }; |
1338 | ||
1339 | #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ | |
1340 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) | |
1341 | ||
1342 | #define USERDEF_LITERAL_VALUE(NODE) \ | |
1343 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) | |
1344 | ||
324ca377 | 1345 | #define USERDEF_LITERAL_OVERFLOW(NODE) \ |
1346 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) | |
1347 | ||
244db24d | 1348 | #define USERDEF_LITERAL_NUM_STRING(NODE) \ |
1349 | (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) | |
1350 | ||
1351 | #define USERDEF_LITERAL_TYPE(NODE) \ | |
1352 | (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) | |
1353 | ||
324ca377 | 1354 | extern tree build_userdef_literal (tree suffix_id, tree value, |
1355 | enum overflow_type overflow, | |
1356 | tree num_string); | |
244db24d | 1357 | |
c61ef207 | 1358 | extern bool convert_vector_to_pointer_for_subscript (location_t, tree *, tree); |
7059d45d | 1359 | |
41ed701a | 1360 | /* Possibe cases of scalar_to_vector conversion. */ |
1361 | enum stv_conv { | |
a04e8d62 | 1362 | stv_error, /* Error occurred. */ |
41ed701a | 1363 | stv_nothing, /* Nothing happened. */ |
1364 | stv_firstarg, /* First argument must be expanded. */ | |
1365 | stv_secondarg /* Second argument must be expanded. */ | |
1366 | }; | |
1367 | ||
1368 | extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, | |
1369 | tree op0, tree op1, bool); | |
1370 | ||
f2697631 | 1371 | /* In c-cilkplus.c */ |
1372 | extern tree c_finish_cilk_clauses (tree); | |
1373 | extern tree c_validate_cilk_plus_loop (tree *, int *, void *); | |
1374 | extern bool c_check_cilk_loop (location_t, tree); | |
1375 | ||
3c6d4197 | 1376 | /* These #defines allow users to access different operands of the |
1377 | array notation tree. */ | |
1378 | ||
1379 | #define ARRAY_NOTATION_CHECK(NODE) TREE_CHECK (NODE, ARRAY_NOTATION_REF) | |
1380 | #define ARRAY_NOTATION_ARRAY(NODE) \ | |
1381 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 0) | |
1382 | #define ARRAY_NOTATION_START(NODE) \ | |
1383 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 1) | |
1384 | #define ARRAY_NOTATION_LENGTH(NODE) \ | |
1385 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 2) | |
1386 | #define ARRAY_NOTATION_STRIDE(NODE) \ | |
1387 | TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 3) | |
1388 | ||
09970d67 | 1389 | /* This structure holds all the scalar values and its appropriate variable |
1390 | replacment. It is mainly used by the function that pulls all the invariant | |
1391 | parts that should be executed only once, which comes with array notation | |
1392 | expressions. */ | |
1393 | struct inv_list | |
1394 | { | |
1395 | vec<tree, va_gc> *list_values; | |
1396 | vec<tree, va_gc> *replacement; | |
a9c99fc4 | 1397 | vec<enum tree_code, va_gc> *additional_tcodes; |
09970d67 | 1398 | }; |
1399 | ||
e9331eab | 1400 | /* This structure holds all the important components that can be extracted |
1401 | from an ARRAY_NOTATION_REF expression. It is used to pass array notation | |
1402 | information between the functions that are responsible for expansion. */ | |
1403 | typedef struct cilkplus_an_parts | |
1404 | { | |
1405 | tree value; | |
1406 | tree start; | |
1407 | tree length; | |
1408 | tree stride; | |
1409 | bool is_vector; | |
1410 | } an_parts; | |
1411 | ||
1412 | /* This structure holds the components necessary to create the loop around | |
1413 | the ARRAY_REF that is created using the ARRAY_NOTATION information. */ | |
1414 | ||
1415 | typedef struct cilkplus_an_loop_parts | |
1416 | { | |
1417 | tree var; /* Loop induction variable. */ | |
1418 | tree incr; /* Loop increment/decrement expression. */ | |
1419 | tree cmp; /* Loop condition. */ | |
1420 | tree ind_init; /* Initialization of the loop induction variable. */ | |
1421 | } an_loop_parts; | |
1422 | ||
09970d67 | 1423 | /* In array-notation-common.c. */ |
1424 | extern HOST_WIDE_INT extract_sec_implicit_index_arg (location_t, tree); | |
3c6d4197 | 1425 | extern bool is_sec_implicit_index_fn (tree); |
1426 | extern void array_notation_init_builtins (void); | |
1427 | extern struct c_expr fix_array_notation_expr (location_t, enum tree_code, | |
1428 | struct c_expr); | |
1429 | extern bool contains_array_notation_expr (tree); | |
1430 | extern tree expand_array_notation_exprs (tree); | |
1431 | extern tree fix_conditional_array_notations (tree); | |
1432 | extern tree find_correct_array_notation_type (tree); | |
50acebe0 | 1433 | extern bool length_mismatch_in_expr_p (location_t, vec<vec<an_parts> >); |
09970d67 | 1434 | extern enum built_in_function is_cilkplus_reduce_builtin (tree); |
1435 | extern bool find_rank (location_t, tree, tree, bool, size_t *); | |
1436 | extern void extract_array_notation_exprs (tree, bool, vec<tree, va_gc> **); | |
1437 | extern void replace_array_notations (tree *, bool, vec<tree, va_gc> *, | |
1438 | vec<tree, va_gc> *); | |
1439 | extern tree find_inv_trees (tree *, int *, void *); | |
1440 | extern tree replace_inv_trees (tree *, int *, void *); | |
1441 | extern tree find_correct_array_notation_type (tree op); | |
e9331eab | 1442 | extern void cilkplus_extract_an_triplets (vec<tree, va_gc> *, size_t, size_t, |
1443 | vec<vec<an_parts> > *); | |
1444 | extern vec <tree, va_gc> *fix_sec_implicit_args | |
1445 | (location_t, vec <tree, va_gc> *, vec<an_loop_parts>, size_t, tree); | |
8523243e | 1446 | extern bool is_cilkplus_vector_p (tree); |
d037099f | 1447 | |
1448 | /* In cilk.c. */ | |
1449 | extern tree insert_cilk_frame (tree); | |
1450 | extern void cilk_init_builtins (void); | |
433e804e | 1451 | extern int gimplify_cilk_spawn (tree *); |
7e976b10 | 1452 | extern void cilk_gimplify_call_params_in_spawned_fn (tree *, gimple_seq *, |
1453 | gimple_seq *); | |
433e804e | 1454 | extern void cilk_install_body_with_frame_cleanup (tree, tree, void *); |
d037099f | 1455 | extern bool cilk_detect_spawn_and_unwrap (tree *); |
1456 | extern bool cilk_set_spawn_marker (location_t, tree); | |
1457 | extern tree build_cilk_sync (void); | |
1458 | extern tree build_cilk_spawn (location_t, tree); | |
1459 | extern tree make_cilk_frame (tree); | |
1460 | extern tree create_cilk_function_exit (tree, bool, bool); | |
1461 | extern tree cilk_install_body_pedigree_operations (tree); | |
433e804e | 1462 | extern void cilk_outline (tree, tree *, void *); |
3bfdc94f | 1463 | extern bool contains_cilk_spawn_stmt (tree); |
40750995 | 1464 | extern tree cilk_for_number_of_iterations (tree); |
fdd735a7 | 1465 | extern bool check_no_cilk (tree, const char *, const char *, |
1466 | location_t loc = UNKNOWN_LOCATION); | |
547c6b1f | 1467 | extern bool reject_gcc_builtin (const_tree, location_t = UNKNOWN_LOCATION); |
ef17a71a | 1468 | extern void warn_duplicated_cond_add_or_warn (location_t, tree, vec<tree> **); |
81b1b2a8 | 1469 | extern bool valid_array_size_p (location_t, tree, tree); |
e5f01cba | 1470 | |
2a281353 | 1471 | #endif /* ! GCC_C_COMMON_H */ |