Mercurial > hg > CbC > CbC_gcc
annotate gcc/c-family/c-common.h @ 146:351920fa3827
merge
| author | anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 01 Mar 2020 16:13:28 +0900 |
| parents | d34655255c78 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 68 | 1 /* Definitions for c-common.c. |
| 145 | 2 Copyright (C) 1987-2020 Free Software Foundation, Inc. |
| 68 | 3 |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 #ifndef GCC_C_COMMON_H | |
| 21 #define GCC_C_COMMON_H | |
| 22 | |
| 23 #include "splay-tree.h" | |
| 24 #include "cpplib.h" | |
| 111 | 25 #include "alias.h" |
| 26 #include "tree.h" | |
| 27 #include "fold-const.h" | |
| 131 | 28 #include "wide-int-bitmask.h" |
| 68 | 29 |
| 30 /* In order for the format checking to accept the C frontend | |
| 31 diagnostic framework extensions, you must include this file before | |
| 32 diagnostic-core.h, not after. The C front end formats are a subset of those | |
| 33 for C++, so they are the appropriate set to use in common code; | |
| 34 cp-tree.h overrides this for C++. */ | |
| 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 | |
| 41 #ifndef GCC_DIAG_STYLE | |
| 42 #define GCC_DIAG_STYLE __gcc_cdiag__ | |
| 43 #endif | |
| 44 #include "diagnostic-core.h" | |
| 45 | |
| 46 /* Usage of TREE_LANG_FLAG_?: | |
| 111 | 47 0: IDENTIFIER_MARKED (used by search routines). |
| 68 | 48 C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
| 49 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) | |
| 50 STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) | |
| 51 C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) | |
| 52 2: unused | |
| 53 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) | |
| 54 4: unused | |
| 55 */ | |
| 56 | |
| 57 /* Reserved identifiers. This is the union of all the keywords for C, | |
| 58 C++, and Objective-C. All the type modifiers have to be in one | |
| 59 block at the beginning, because they are used as mask bits. There | |
| 111 | 60 are 28 type modifiers; if we add many more we will have to redesign |
| 68 | 61 the mask mechanism. */ |
| 62 | |
| 63 enum rid | |
| 64 { | |
| 65 /* Modifiers: */ | |
| 66 /* C, in empirical order of frequency. */ | |
| 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, | |
| 111 | 71 RID_NORETURN, RID_ATOMIC, |
| 68 | 72 |
| 73 /* C extensions */ | |
| 74 RID_COMPLEX, RID_THREAD, RID_SAT, | |
| 75 | |
| 76 /* C++ */ | |
| 77 RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, | |
| 78 | |
| 79 /* ObjC ("PQ" reserved words - they do not appear after a '@' and | |
| 80 are keywords only in specific contexts) */ | |
| 81 RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, | |
| 82 | |
| 83 /* ObjC ("PATTR" reserved words - they do not appear after a '@' | |
| 84 and are keywords only as property attributes) */ | |
| 85 RID_GETTER, RID_SETTER, | |
| 86 RID_READONLY, RID_READWRITE, | |
| 87 RID_ASSIGN, RID_RETAIN, RID_COPY, | |
| 88 RID_NONATOMIC, | |
| 89 | |
| 90 /* C (reserved and imaginary types not implemented, so any use is a | |
| 91 syntax error) */ | |
| 92 RID_IMAGINARY, | |
| 93 | |
| 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, | |
| 103 RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, | |
| 111 | 104 RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
| 145 | 105 RID_BUILTIN_CONVERTVECTOR, RID_BUILTIN_TGMATH, |
| 106 RID_BUILTIN_HAS_ATTRIBUTE, | |
| 68 | 107 RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
| 111 | 108 |
| 109 /* TS 18661-3 keywords, in the same sequence as the TI_* values. */ | |
| 110 RID_FLOAT16, | |
| 111 RID_FLOATN_NX_FIRST = RID_FLOAT16, | |
| 112 RID_FLOAT32, | |
| 113 RID_FLOAT64, | |
| 114 RID_FLOAT128, | |
| 115 RID_FLOAT32X, | |
| 116 RID_FLOAT64X, | |
| 117 RID_FLOAT128X, | |
| 118 #define CASE_RID_FLOATN_NX \ | |
| 119 case RID_FLOAT16: case RID_FLOAT32: case RID_FLOAT64: case RID_FLOAT128: \ | |
| 120 case RID_FLOAT32X: case RID_FLOAT64X: case RID_FLOAT128X | |
| 121 | |
| 122 RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, | |
| 123 | |
| 124 /* "__GIMPLE", for the GIMPLE-parsing extension to the C frontend. */ | |
| 125 RID_GIMPLE, | |
| 126 | |
| 127 /* "__PHI", for parsing PHI function in GIMPLE FE. */ | |
| 128 RID_PHI, | |
| 129 | |
| 130 /* "__RTL", for the RTL-parsing extension to the C frontend. */ | |
| 131 RID_RTL, | |
| 132 | |
| 133 /* C11 */ | |
| 134 RID_ALIGNAS, RID_GENERIC, | |
| 68 | 135 |
| 136 /* This means to warn that this is a C++ keyword, and then treat it | |
| 137 as a normal identifier. */ | |
| 138 RID_CXX_COMPAT_WARN, | |
| 139 | |
| 111 | 140 /* GNU transactional memory extension */ |
| 141 RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, | |
| 142 | |
| 68 | 143 /* Too many ways of getting the name of a function as a string */ |
| 144 RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, | |
| 145 | |
| 146 /* C++ (some of these are keywords in Objective-C as well, but only | |
| 147 if they appear after a '@') */ | |
| 148 RID_BOOL, RID_WCHAR, RID_CLASS, | |
| 149 RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, | |
| 150 RID_TEMPLATE, RID_NULL, RID_CATCH, | |
| 151 RID_DELETE, RID_FALSE, RID_NAMESPACE, | |
| 152 RID_NEW, RID_OFFSETOF, RID_OPERATOR, | |
| 153 RID_THIS, RID_THROW, RID_TRUE, | |
| 154 RID_TRY, RID_TYPENAME, RID_TYPEID, | |
| 155 RID_USING, RID_CHAR16, RID_CHAR32, | |
| 156 | |
| 157 /* casts */ | |
| 158 RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, | |
| 159 | |
| 160 /* C++ extensions */ | |
| 111 | 161 RID_ADDRESSOF, RID_BASES, |
| 162 RID_BUILTIN_LAUNDER, RID_DIRECT_BASES, | |
| 68 | 163 RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
| 164 RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, | |
| 165 RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, | |
| 111 | 166 RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_UNIQUE_OBJ_REPRESENTATIONS, |
| 167 RID_HAS_VIRTUAL_DESTRUCTOR, | |
| 168 RID_IS_ABSTRACT, RID_IS_AGGREGATE, | |
| 169 RID_IS_BASE_OF, RID_IS_CLASS, | |
| 68 | 170 RID_IS_EMPTY, RID_IS_ENUM, |
| 111 | 171 RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
| 68 | 172 RID_IS_POD, RID_IS_POLYMORPHIC, |
| 111 | 173 RID_IS_SAME_AS, |
| 68 | 174 RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, |
| 111 | 175 RID_IS_TRIVIALLY_ASSIGNABLE, RID_IS_TRIVIALLY_CONSTRUCTIBLE, |
| 176 RID_IS_TRIVIALLY_COPYABLE, | |
| 177 RID_IS_UNION, RID_UNDERLYING_TYPE, | |
| 178 RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE, | |
| 68 | 179 |
| 111 | 180 /* C++11 */ |
| 68 | 181 RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
| 182 | |
| 145 | 183 /* C++20 */ |
| 184 RID_CONSTINIT, RID_CONSTEVAL, | |
| 185 | |
| 186 /* char8_t */ | |
| 187 RID_CHAR8, | |
| 188 | |
| 111 | 189 /* C++ concepts */ |
| 190 RID_CONCEPT, RID_REQUIRES, | |
| 191 | |
| 145 | 192 /* C++ coroutines */ |
| 193 RID_CO_AWAIT, RID_CO_YIELD, RID_CO_RETURN, | |
| 194 | |
| 111 | 195 /* C++ transactional memory. */ |
| 196 RID_ATOMIC_NOEXCEPT, RID_ATOMIC_CANCEL, RID_SYNCHRONIZED, | |
| 197 | |
| 68 | 198 /* Objective-C ("AT" reserved words - they are only keywords when |
| 199 they follow '@') */ | |
| 200 RID_AT_ENCODE, RID_AT_END, | |
| 201 RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, | |
| 202 RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, | |
| 203 RID_AT_PROTOCOL, RID_AT_SELECTOR, | |
| 204 RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, | |
| 205 RID_AT_FINALLY, RID_AT_SYNCHRONIZED, | |
| 206 RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, | |
| 207 RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, | |
| 208 RID_AT_INTERFACE, | |
| 209 RID_AT_IMPLEMENTATION, | |
| 210 | |
|
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211 #ifndef noCbC |
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212 /* Continuation based C */ |
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213 RID_CbC_CODE, RID_CbC_ENV, RID_CbC_RET, |
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214 #endif |
| 68 | 215 /* Named address support, mapping the keyword to a particular named address |
| 216 number. Named address space 0 is reserved for the generic address. If | |
| 217 there are more than 254 named addresses, the addr_space_t type will need | |
| 218 to be grown from an unsigned char to unsigned short. */ | |
| 219 RID_ADDR_SPACE_0, /* generic address */ | |
| 220 RID_ADDR_SPACE_1, | |
| 221 RID_ADDR_SPACE_2, | |
| 222 RID_ADDR_SPACE_3, | |
| 223 RID_ADDR_SPACE_4, | |
| 224 RID_ADDR_SPACE_5, | |
| 225 RID_ADDR_SPACE_6, | |
| 226 RID_ADDR_SPACE_7, | |
| 227 RID_ADDR_SPACE_8, | |
| 228 RID_ADDR_SPACE_9, | |
| 229 RID_ADDR_SPACE_10, | |
| 230 RID_ADDR_SPACE_11, | |
| 231 RID_ADDR_SPACE_12, | |
| 232 RID_ADDR_SPACE_13, | |
| 233 RID_ADDR_SPACE_14, | |
| 234 RID_ADDR_SPACE_15, | |
| 235 | |
| 236 RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, | |
| 237 RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, | |
| 238 | |
| 111 | 239 /* __intN keywords. The _N_M here doesn't correspond to the intN |
| 240 in the keyword; use the bitsize in int_n_t_data_t[M] for that. | |
| 241 For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0 | |
| 242 is for __int13. */ | |
| 243 | |
| 244 /* Note that the range to use is RID_FIRST_INT_N through | |
| 245 RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of | |
| 246 all RID_INT_N_* in a case statement. */ | |
| 247 | |
| 248 RID_INT_N_0, | |
| 249 RID_INT_N_1, | |
| 250 RID_INT_N_2, | |
| 251 RID_INT_N_3, | |
| 252 | |
| 253 RID_FIRST_INT_N = RID_INT_N_0, | |
| 254 RID_LAST_INT_N = RID_INT_N_3, | |
| 255 | |
| 68 | 256 RID_MAX, |
| 257 | |
| 258 RID_FIRST_MODIFIER = RID_STATIC, | |
| 259 RID_LAST_MODIFIER = RID_ONEWAY, | |
| 260 | |
| 111 | 261 RID_FIRST_CXX11 = RID_CONSTEXPR, |
| 262 RID_LAST_CXX11 = RID_STATIC_ASSERT, | |
| 145 | 263 RID_FIRST_CXX20 = RID_CONSTINIT, |
| 264 RID_LAST_CXX20 = RID_CONSTINIT, | |
| 68 | 265 RID_FIRST_AT = RID_AT_ENCODE, |
| 266 RID_LAST_AT = RID_AT_IMPLEMENTATION, | |
| 267 RID_FIRST_PQ = RID_IN, | |
| 268 RID_LAST_PQ = RID_ONEWAY, | |
| 269 RID_FIRST_PATTR = RID_GETTER, | |
| 270 RID_LAST_PATTR = RID_NONATOMIC | |
| 271 }; | |
| 272 | |
| 273 #define OBJC_IS_AT_KEYWORD(rid) \ | |
| 274 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ | |
| 275 (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) | |
| 276 | |
| 277 #define OBJC_IS_PQ_KEYWORD(rid) \ | |
| 278 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ | |
| 279 (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) | |
| 280 | |
| 281 #define OBJC_IS_PATTR_KEYWORD(rid) \ | |
| 282 ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ | |
| 283 (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) | |
| 284 | |
| 285 /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as | |
| 286 'class') which are shared in a subtle way between Objective-C and | |
| 287 C++. When the lexer is lexing in Objective-C/Objective-C++, if it | |
| 288 finds '@' followed by one of these identifiers (eg, '@class'), it | |
| 289 recognizes the whole as an Objective-C keyword. If the identifier | |
| 290 is found elsewhere, it follows the rules of the C/C++ language. | |
| 291 */ | |
| 292 #define OBJC_IS_CXX_KEYWORD(rid) \ | |
| 111 | 293 (rid == RID_CLASS || rid == RID_SYNCHRONIZED \ |
| 68 | 294 || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ |
| 295 || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) | |
| 296 | |
| 297 /* The elements of `ridpointers' are identifier nodes for the reserved | |
| 298 type names and storage classes. It is indexed by a RID_... value. */ | |
| 299 extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; | |
| 300 | |
| 301 /* Standard named or nameless data types of the C compiler. */ | |
| 302 | |
| 303 enum c_tree_index | |
| 304 { | |
| 145 | 305 CTI_CHAR8_TYPE, |
| 68 | 306 CTI_CHAR16_TYPE, |
| 307 CTI_CHAR32_TYPE, | |
| 308 CTI_WCHAR_TYPE, | |
| 309 CTI_UNDERLYING_WCHAR_TYPE, | |
| 310 CTI_WINT_TYPE, | |
| 311 CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ | |
| 312 CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ | |
| 313 CTI_INTMAX_TYPE, | |
| 314 CTI_UINTMAX_TYPE, | |
| 315 CTI_WIDEST_INT_LIT_TYPE, | |
| 316 CTI_WIDEST_UINT_LIT_TYPE, | |
| 317 | |
| 318 /* Types for <stdint.h>, that may not be defined on all | |
| 319 targets. */ | |
| 320 CTI_SIG_ATOMIC_TYPE, | |
| 321 CTI_INT8_TYPE, | |
| 322 CTI_INT16_TYPE, | |
| 323 CTI_INT32_TYPE, | |
| 324 CTI_INT64_TYPE, | |
| 325 CTI_UINT8_TYPE, | |
| 326 CTI_UINT16_TYPE, | |
| 327 CTI_UINT32_TYPE, | |
| 328 CTI_UINT64_TYPE, | |
| 329 CTI_INT_LEAST8_TYPE, | |
| 330 CTI_INT_LEAST16_TYPE, | |
| 331 CTI_INT_LEAST32_TYPE, | |
| 332 CTI_INT_LEAST64_TYPE, | |
| 333 CTI_UINT_LEAST8_TYPE, | |
| 334 CTI_UINT_LEAST16_TYPE, | |
| 335 CTI_UINT_LEAST32_TYPE, | |
| 336 CTI_UINT_LEAST64_TYPE, | |
| 337 CTI_INT_FAST8_TYPE, | |
| 338 CTI_INT_FAST16_TYPE, | |
| 339 CTI_INT_FAST32_TYPE, | |
| 340 CTI_INT_FAST64_TYPE, | |
| 341 CTI_UINT_FAST8_TYPE, | |
| 342 CTI_UINT_FAST16_TYPE, | |
| 343 CTI_UINT_FAST32_TYPE, | |
| 344 CTI_UINT_FAST64_TYPE, | |
| 345 CTI_INTPTR_TYPE, | |
| 346 CTI_UINTPTR_TYPE, | |
| 347 | |
| 348 CTI_CHAR_ARRAY_TYPE, | |
| 145 | 349 CTI_CHAR8_ARRAY_TYPE, |
| 68 | 350 CTI_CHAR16_ARRAY_TYPE, |
| 351 CTI_CHAR32_ARRAY_TYPE, | |
| 352 CTI_WCHAR_ARRAY_TYPE, | |
| 353 CTI_STRING_TYPE, | |
| 354 CTI_CONST_STRING_TYPE, | |
| 355 | |
| 356 /* Type for boolean expressions (bool in C++, int in C). */ | |
| 357 CTI_TRUTHVALUE_TYPE, | |
| 358 CTI_TRUTHVALUE_TRUE, | |
| 359 CTI_TRUTHVALUE_FALSE, | |
| 360 | |
| 361 CTI_DEFAULT_FUNCTION_TYPE, | |
| 362 | |
| 363 /* These are not types, but we have to look them up all the time. */ | |
| 364 CTI_FUNCTION_NAME_DECL, | |
| 365 CTI_PRETTY_FUNCTION_NAME_DECL, | |
| 366 CTI_C99_FUNCTION_NAME_DECL, | |
| 367 CTI_SAVED_FUNCTION_NAME_DECLS, | |
| 368 | |
| 369 CTI_NULL, | |
| 370 | |
| 371 CTI_MAX | |
| 372 }; | |
| 373 | |
| 374 #define C_CPP_HASHNODE(id) \ | |
| 375 (&(((struct c_common_identifier *) (id))->node)) | |
| 376 #define C_RID_CODE(id) \ | |
| 377 ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) | |
| 378 #define C_SET_RID_CODE(id, code) \ | |
| 379 (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) | |
| 380 | |
| 381 /* Identifier part common to the C front ends. Inherits from | |
| 382 tree_identifier, despite appearances. */ | |
| 383 struct GTY(()) c_common_identifier { | |
| 384 struct tree_common common; | |
| 385 struct cpp_hashnode node; | |
| 386 }; | |
| 387 | |
| 388 /* An entry in the reserved keyword table. */ | |
| 389 | |
| 390 struct c_common_resword | |
| 391 { | |
| 392 const char *const word; | |
| 393 ENUM_BITFIELD(rid) const rid : 16; | |
| 394 const unsigned int disable : 16; | |
| 395 }; | |
| 396 | |
| 111 | 397 /* Mode used to build pointers (VOIDmode means ptr_mode). */ |
| 398 | |
| 399 extern machine_mode c_default_pointer_mode; | |
| 400 | |
| 401 /* Extra cpp_ttype values for C++. */ | |
| 402 | |
| 403 /* A token type for template-ids. If a template-id is processed while | |
| 404 parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; | |
| 405 the value of the CPP_TEMPLATE_ID is whatever was returned by | |
| 406 cp_parser_template_id. */ | |
| 407 #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) | |
| 408 | |
| 409 /* A token type for nested-name-specifiers. If a | |
| 410 nested-name-specifier is processed while parsing tentatively, it is | |
| 411 replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the | |
| 412 CPP_NESTED_NAME_SPECIFIER is whatever was returned by | |
| 413 cp_parser_nested_name_specifier_opt. */ | |
| 414 #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) | |
| 415 | |
| 416 /* A token type for pre-parsed C++0x decltype. */ | |
| 417 #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) | |
| 418 | |
| 419 /* A token type for pre-parsed primary-expression (lambda- or statement-). */ | |
| 420 #define CPP_PREPARSED_EXPR ((enum cpp_ttype) (CPP_DECLTYPE + 1)) | |
| 421 | |
| 422 /* The number of token types, including C++-specific ones. */ | |
| 423 #define N_CP_TTYPES ((int) (CPP_PREPARSED_EXPR + 1)) | |
| 424 | |
| 68 | 425 /* Disable mask. Keywords are disabled if (reswords[i].disable & |
| 426 mask) is _true_. Thus for keywords which are present in all | |
| 427 languages the disable field is zero. */ | |
| 428 | |
| 145 | 429 #define D_CONLY 0x0001 /* C only (not in C++). */ |
| 430 #define D_CXXONLY 0x0002 /* C++ only (not in C). */ | |
| 431 #define D_C99 0x0004 /* In C, C99 only. */ | |
| 432 #define D_CXX11 0x0008 /* In C++, C++11 only. */ | |
| 433 #define D_EXT 0x0010 /* GCC extension. */ | |
| 434 #define D_EXT89 0x0020 /* GCC extension incorporated in C99. */ | |
| 435 #define D_ASM 0x0040 /* Disabled by -fno-asm. */ | |
| 436 #define D_OBJC 0x0080 /* In Objective C and neither C nor C++. */ | |
| 437 #define D_CXX_OBJC 0x0100 /* In Objective C, and C++, but not C. */ | |
| 438 #define D_CXXWARN 0x0200 /* In C warn with -Wcxx-compat. */ | |
| 439 #define D_CXX_CONCEPTS 0x0400 /* In C++, only with concepts. */ | |
| 440 #define D_TRANSMEM 0X0800 /* C++ transactional memory TS. */ | |
| 441 #define D_CXX_CHAR8_T 0X1000 /* In C++, only with -fchar8_t. */ | |
| 442 #define D_CXX20 0x2000 /* In C++, C++20 only. */ | |
| 443 #define D_CXX_COROUTINES 0x4000 /* In C++, only with coroutines. */ | |
| 111 | 444 |
| 445 #define D_CXX_CONCEPTS_FLAGS D_CXXONLY | D_CXX_CONCEPTS | |
| 145 | 446 #define D_CXX_CHAR8_T_FLAGS D_CXXONLY | D_CXX_CHAR8_T |
| 447 #define D_CXX_COROUTINES_FLAGS (D_CXXONLY | D_CXX_COROUTINES) | |
| 68 | 448 |
| 449 /* The reserved keyword table. */ | |
| 450 extern const struct c_common_resword c_common_reswords[]; | |
| 451 | |
| 452 /* The number of items in the reserved keyword table. */ | |
| 453 extern const unsigned int num_c_common_reswords; | |
| 454 | |
| 145 | 455 #define char8_type_node c_global_trees[CTI_CHAR8_TYPE] |
| 68 | 456 #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
| 457 #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] | |
| 458 #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] | |
| 459 #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] | |
| 460 #define wint_type_node c_global_trees[CTI_WINT_TYPE] | |
| 461 #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] | |
| 462 #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] | |
| 463 #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] | |
| 464 #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] | |
| 465 #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] | |
| 466 #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] | |
| 467 | |
| 468 #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] | |
| 469 #define int8_type_node c_global_trees[CTI_INT8_TYPE] | |
| 470 #define int16_type_node c_global_trees[CTI_INT16_TYPE] | |
| 471 #define int32_type_node c_global_trees[CTI_INT32_TYPE] | |
| 472 #define int64_type_node c_global_trees[CTI_INT64_TYPE] | |
| 473 #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] | |
| 111 | 474 #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
| 68 | 475 #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
| 476 #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] | |
| 477 #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] | |
| 478 #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] | |
| 479 #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] | |
| 480 #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] | |
| 481 #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] | |
| 482 #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] | |
| 483 #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] | |
| 484 #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] | |
| 485 #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] | |
| 486 #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] | |
| 487 #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] | |
| 488 #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] | |
| 489 #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] | |
| 490 #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] | |
| 491 #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] | |
| 492 #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] | |
| 493 #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] | |
| 494 #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] | |
| 495 | |
| 496 #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] | |
| 497 #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] | |
| 498 #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] | |
| 499 | |
| 500 #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] | |
| 145 | 501 #define char8_array_type_node c_global_trees[CTI_CHAR8_ARRAY_TYPE] |
| 68 | 502 #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
| 503 #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] | |
| 504 #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] | |
| 505 #define string_type_node c_global_trees[CTI_STRING_TYPE] | |
| 506 #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] | |
| 507 | |
| 508 #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] | |
| 509 | |
| 510 #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] | |
| 511 #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] | |
| 512 #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] | |
| 513 #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] | |
| 514 | |
| 515 /* The node for C++ `__null'. */ | |
| 516 #define null_node c_global_trees[CTI_NULL] | |
| 517 | |
| 518 extern GTY(()) tree c_global_trees[CTI_MAX]; | |
| 519 | |
| 520 /* Mark which labels are explicitly declared. | |
| 521 These may be shadowed, and may be referenced from nested functions. */ | |
| 522 #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) | |
| 523 | |
| 111 | 524 enum c_language_kind |
| 68 | 525 { |
| 131 | 526 clk_c = 0, /* C90, C94, C99, C11 or C2X */ |
| 68 | 527 clk_objc = 1, /* clk_c with ObjC features. */ |
| 528 clk_cxx = 2, /* ANSI/ISO C++ */ | |
| 529 clk_objcxx = 3 /* clk_cxx with ObjC features. */ | |
| 111 | 530 }; |
| 68 | 531 |
| 532 /* To test for a specific language use c_language, defined by each | |
| 533 front end. For "ObjC features" or "not C++" use the macros. */ | |
| 534 extern c_language_kind c_language; | |
| 535 | |
| 536 #define c_dialect_cxx() ((c_language & clk_cxx) != 0) | |
| 537 #define c_dialect_objc() ((c_language & clk_objc) != 0) | |
| 538 | |
| 539 /* The various name of operator that appears in error messages. */ | |
| 111 | 540 enum ref_operator { |
| 68 | 541 /* NULL */ |
| 542 RO_NULL, | |
| 543 /* array indexing */ | |
| 544 RO_ARRAY_INDEXING, | |
| 545 /* unary * */ | |
| 546 RO_UNARY_STAR, | |
| 547 /* -> */ | |
| 548 RO_ARROW, | |
| 549 /* implicit conversion */ | |
| 111 | 550 RO_IMPLICIT_CONVERSION, |
| 551 /* ->* */ | |
| 552 RO_ARROW_STAR | |
| 553 }; | |
| 68 | 554 |
| 555 /* Information about a statement tree. */ | |
| 556 | |
| 557 struct GTY(()) stmt_tree_s { | |
| 111 | 558 /* A stack of statement lists being collected. */ |
| 559 vec<tree, va_gc> *x_cur_stmt_list; | |
| 68 | 560 |
| 561 /* In C++, Nonzero if we should treat statements as full | |
| 111 | 562 expressions. In particular, this variable is non-zero if at the |
| 68 | 563 end of a statement we should destroy any temporaries created |
| 564 during that statement. Similarly, if, at the end of a block, we | |
| 565 should destroy any local variables in this block. Normally, this | |
| 566 variable is nonzero, since those are the normal semantics of | |
| 567 C++. | |
| 568 | |
| 569 This flag has no effect in C. */ | |
| 570 int stmts_are_full_exprs_p; | |
| 571 }; | |
| 572 | |
| 573 typedef struct stmt_tree_s *stmt_tree; | |
| 574 | |
| 575 /* Global state pertinent to the current function. Some C dialects | |
| 576 extend this structure with additional fields. */ | |
| 577 | |
| 578 struct GTY(()) c_language_function { | |
| 579 /* While we are parsing the function, this contains information | |
| 580 about the statement-tree that we are building. */ | |
| 581 struct stmt_tree_s x_stmt_tree; | |
| 111 | 582 |
| 583 /* Vector of locally defined typedefs, for | |
| 584 -Wunused-local-typedefs. */ | |
| 585 vec<tree, va_gc> *local_typedefs; | |
| 68 | 586 }; |
| 587 | |
| 111 | 588 #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
| 589 | |
| 68 | 590 /* When building a statement-tree, this is the current statement list |
| 111 | 591 being collected. */ |
| 592 #define cur_stmt_list (stmt_list_stack->last ()) | |
| 68 | 593 |
| 111 | 594 #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
| 68 | 595 |
| 596 /* Language-specific hooks. */ | |
| 597 | |
| 598 /* If non-NULL, this function is called after a precompile header file | |
| 599 is loaded. */ | |
| 600 extern void (*lang_post_pch_load) (void); | |
| 601 | |
| 602 extern void push_file_scope (void); | |
| 603 extern void pop_file_scope (void); | |
| 604 extern stmt_tree current_stmt_tree (void); | |
| 605 extern tree push_stmt_list (void); | |
| 606 extern tree pop_stmt_list (tree); | |
| 607 extern tree add_stmt (tree); | |
| 608 extern void push_cleanup (tree, tree, bool); | |
| 111 | 609 |
| 68 | 610 extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
| 611 location_t, tree, tree); | |
| 612 extern tree build_indirect_ref (location_t, tree, ref_operator); | |
| 613 | |
| 614 extern bool has_c_linkage (const_tree decl); | |
| 111 | 615 extern bool c_decl_implicit (const_tree); |
| 68 | 616 |
| 617 /* Switches common to the C front ends. */ | |
| 618 | |
| 619 /* Nonzero means don't output line number information. */ | |
| 620 | |
| 621 extern char flag_no_line_commands; | |
| 622 | |
| 623 /* Nonzero causes -E output not to be done, but directives such as | |
| 624 #define that have side effects are still obeyed. */ | |
| 625 | |
| 626 extern char flag_no_output; | |
| 627 | |
| 628 /* Nonzero means dump macros in some fashion; contains the 'D', 'M', | |
| 629 'N' or 'U' of the command line switch. */ | |
| 630 | |
| 631 extern char flag_dump_macros; | |
| 632 | |
| 633 /* Nonzero means pass #include lines through to the output. */ | |
| 634 | |
| 635 extern char flag_dump_includes; | |
| 636 | |
| 637 /* Nonzero means process PCH files while preprocessing. */ | |
| 638 | |
| 639 extern bool flag_pch_preprocess; | |
| 640 | |
| 641 /* The file name to which we should write a precompiled header, or | |
| 642 NULL if no header will be written in this compile. */ | |
| 643 | |
| 644 extern const char *pch_file; | |
| 645 | |
| 646 /* Nonzero if an ISO standard was selected. It rejects macros in the | |
| 647 user's namespace. */ | |
| 648 | |
| 649 extern int flag_iso; | |
| 650 | |
| 651 /* C/ObjC language option variables. */ | |
| 652 | |
| 653 | |
| 654 /* Nonzero means allow type mismatches in conditional expressions; | |
| 655 just make their values `void'. */ | |
| 656 | |
| 657 extern int flag_cond_mismatch; | |
| 658 | |
| 659 /* Nonzero means enable C89 Amendment 1 features. */ | |
| 660 | |
| 661 extern int flag_isoc94; | |
| 662 | |
| 131 | 663 /* Nonzero means use the ISO C99 (or later) dialect of C. */ |
| 68 | 664 |
| 665 extern int flag_isoc99; | |
| 666 | |
| 131 | 667 /* Nonzero means use the ISO C11 (or later) dialect of C. */ |
| 68 | 668 |
| 111 | 669 extern int flag_isoc11; |
| 68 | 670 |
| 131 | 671 /* Nonzero means use the ISO C2X dialect of C. */ |
| 672 | |
| 673 extern int flag_isoc2x; | |
| 674 | |
| 68 | 675 /* Nonzero means that we have builtin functions, and main is an int. */ |
| 676 | |
| 677 extern int flag_hosted; | |
| 678 | |
| 679 /* ObjC language option variables. */ | |
| 680 | |
| 681 | |
| 682 /* Tells the compiler that this is a special run. Do not perform any | |
| 683 compiling, instead we are to test some platform dependent features | |
| 684 and output a C header file with appropriate definitions. */ | |
| 685 | |
| 686 extern int print_struct_values; | |
| 687 | |
| 688 /* Tells the compiler what is the constant string class for ObjC. */ | |
| 689 | |
| 690 extern const char *constant_string_class_name; | |
| 691 | |
| 692 | |
| 693 /* C++ language option variables. */ | |
| 694 | |
| 111 | 695 /* The reference version of the ABI for -Wabi. */ |
| 696 | |
| 697 extern int warn_abi_version; | |
| 698 | |
| 699 /* Return TRUE if one of {flag_abi_version,flag_abi_compat_version} is | |
| 700 less than N and the other is at least N. */ | |
| 701 #define abi_compat_version_crosses(N) \ | |
| 702 (abi_version_at_least(N) \ | |
| 703 != (flag_abi_compat_version == 0 \ | |
| 704 || flag_abi_compat_version >= (N))) | |
| 705 | |
| 706 /* Return TRUE if one of {flag_abi_version,warn_abi_version} is | |
| 707 less than N and the other is at least N, for use by -Wabi. */ | |
| 708 #define abi_version_crosses(N) \ | |
| 709 (abi_version_at_least(N) \ | |
| 710 != (warn_abi_version == 0 \ | |
| 711 || warn_abi_version >= (N))) | |
| 68 | 712 |
| 713 /* The supported C++ dialects. */ | |
| 714 | |
| 715 enum cxx_dialect { | |
| 111 | 716 cxx_unset, |
| 717 /* C++98 with TC1 */ | |
| 68 | 718 cxx98, |
| 111 | 719 cxx03 = cxx98, |
| 720 /* C++11 */ | |
| 721 cxx0x, | |
| 722 cxx11 = cxx0x, | |
| 723 /* C++14 */ | |
| 724 cxx14, | |
| 725 /* C++17 */ | |
| 726 cxx17, | |
| 727 /* C++2a (C++20?) */ | |
| 728 cxx2a | |
| 68 | 729 }; |
| 730 | |
| 731 /* The C++ dialect being used. C++98 is the default. */ | |
| 732 extern enum cxx_dialect cxx_dialect; | |
| 733 | |
| 734 /* Maximum template instantiation depth. This limit is rather | |
| 735 arbitrary, but it exists to limit the time it takes to notice | |
| 111 | 736 excessively recursive template instantiations. */ |
| 68 | 737 |
| 738 extern int max_tinst_depth; | |
| 739 | |
| 740 /* Nonzero means that we should not issue warnings about problems that | |
| 741 occur when the code is executed, because the code being processed | |
| 742 is not expected to be executed. This is set during parsing. This | |
| 743 is used for cases like sizeof() and "0 ? a : b". This is a count, | |
| 744 not a bool, because unexecuted expressions can nest. */ | |
| 745 | |
| 746 extern int c_inhibit_evaluation_warnings; | |
| 747 | |
| 748 /* Whether lexing has been completed, so subsequent preprocessor | |
| 749 errors should use the compiler's input_location. */ | |
| 750 | |
| 751 extern bool done_lexing; | |
| 752 | |
| 753 /* C types are partitioned into three subsets: object, function, and | |
| 754 incomplete types. */ | |
| 755 #define C_TYPE_OBJECT_P(type) \ | |
| 756 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) | |
| 757 | |
| 758 #define C_TYPE_INCOMPLETE_P(type) \ | |
| 759 (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) | |
| 760 | |
| 761 #define C_TYPE_FUNCTION_P(type) \ | |
| 762 (TREE_CODE (type) == FUNCTION_TYPE) | |
| 763 | |
| 764 /* For convenience we define a single macro to identify the class of | |
| 765 object or incomplete types. */ | |
| 766 #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ | |
| 767 (!C_TYPE_FUNCTION_P (type)) | |
| 768 | |
| 145 | 769 /* Return true if TYPE is a vector type that should be subject to the GNU |
| 770 vector extensions (as opposed to a vector type that is used only for | |
| 771 the purposes of defining target-specific built-in functions). */ | |
| 772 | |
| 773 inline bool | |
| 774 gnu_vector_type_p (const_tree type) | |
| 775 { | |
| 776 return TREE_CODE (type) == VECTOR_TYPE && !TYPE_INDIVISIBLE_P (type); | |
| 777 } | |
| 778 | |
| 68 | 779 struct visibility_flags |
| 780 { | |
| 781 unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ | |
| 782 unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ | |
| 783 }; | |
| 784 | |
| 111 | 785 /* These enumerators are possible types of unsafe conversions. */ |
| 786 enum conversion_safety { | |
| 787 /* The conversion is safe. */ | |
| 788 SAFE_CONVERSION = 0, | |
| 789 /* Another type of conversion with problems. */ | |
| 790 UNSAFE_OTHER, | |
| 145 | 791 /* Conversion between signed and unsigned integers. */ |
| 111 | 792 UNSAFE_SIGN, |
| 793 /* Conversions that reduce the precision of reals including conversions | |
| 794 from reals to integers. */ | |
| 795 UNSAFE_REAL, | |
| 796 /* Conversions from complex to reals or integers, that discard imaginary | |
| 797 component. */ | |
| 798 UNSAFE_IMAGINARY | |
| 799 }; | |
| 800 | |
| 68 | 801 /* Global visibility options. */ |
| 802 extern struct visibility_flags visibility_options; | |
| 803 | |
| 804 /* Attribute table common to the C front ends. */ | |
| 805 extern const struct attribute_spec c_common_attribute_table[]; | |
| 806 extern const struct attribute_spec c_common_format_attribute_table[]; | |
| 807 | |
| 808 /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. | |
| 809 ID is the identifier to use, NAME is the string. | |
| 810 TYPE_DEP indicates whether it depends on type of the function or not | |
| 811 (i.e. __PRETTY_FUNCTION__). */ | |
| 812 | |
| 813 extern tree (*make_fname_decl) (location_t, tree, int); | |
| 814 | |
| 815 /* In c-decl.c and cp/tree.c. FIXME. */ | |
| 816 extern void c_register_addr_space (const char *str, addr_space_t as); | |
| 817 | |
| 818 /* In c-common.c. */ | |
| 819 extern bool in_late_binary_op; | |
| 820 extern const char *c_addr_space_name (addr_space_t as); | |
| 821 extern tree identifier_global_value (tree); | |
| 145 | 822 extern tree identifier_global_tag (tree); |
| 823 extern bool names_builtin_p (const char *); | |
| 111 | 824 extern tree c_linkage_bindings (tree); |
| 68 | 825 extern void record_builtin_type (enum rid, const char *, tree); |
| 826 extern tree build_void_list_node (void); | |
| 827 extern void start_fname_decls (void); | |
| 828 extern void finish_fname_decls (void); | |
| 829 extern const char *fname_as_string (int); | |
| 830 extern tree fname_decl (location_t, unsigned, tree); | |
| 831 | |
| 145 | 832 extern int check_user_alignment (const_tree, bool, bool); |
| 111 | 833 extern bool check_function_arguments (location_t loc, const_tree, const_tree, |
| 834 int, tree *, vec<location_t> *); | |
| 68 | 835 extern void check_function_arguments_recurse (void (*) |
| 836 (void *, tree, | |
| 837 unsigned HOST_WIDE_INT), | |
| 838 void *, tree, | |
| 839 unsigned HOST_WIDE_INT); | |
| 111 | 840 extern bool check_builtin_function_arguments (location_t, vec<location_t>, |
| 145 | 841 tree, tree, int, tree *); |
| 842 extern void check_function_format (const_tree, tree, int, tree *, | |
| 843 vec<location_t> *); | |
| 111 | 844 extern bool attribute_fallthrough_p (tree); |
| 68 | 845 extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
| 846 extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); | |
| 131 | 847 extern bool c_common_handle_option (size_t, const char *, HOST_WIDE_INT, int, |
| 848 location_t, | |
| 68 | 849 const struct cl_option_handlers *); |
| 111 | 850 extern bool default_handle_c_option (size_t, const char *, int); |
| 851 extern tree c_common_type_for_mode (machine_mode, int); | |
| 68 | 852 extern tree c_common_type_for_size (unsigned int, int); |
| 853 extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, | |
| 854 int, int); | |
| 855 extern tree c_common_unsigned_type (tree); | |
| 856 extern tree c_common_signed_type (tree); | |
| 857 extern tree c_common_signed_or_unsigned_type (int, tree); | |
| 111 | 858 extern void c_common_init_ts (void); |
| 68 | 859 extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
| 145 | 860 extern enum conversion_safety unsafe_conversion_p (tree, tree, tree, bool); |
| 68 | 861 extern bool decl_with_nonnull_addr_p (const_tree); |
| 131 | 862 extern tree c_fully_fold (tree, bool, bool *, bool = false); |
| 68 | 863 extern tree c_wrap_maybe_const (tree, bool); |
| 864 extern tree c_common_truthvalue_conversion (location_t, tree); | |
| 865 extern void c_apply_type_quals_to_decl (int, tree); | |
| 111 | 866 extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
| 68 | 867 extern tree c_alignof_expr (location_t, tree); |
| 868 /* Print an error message for invalid operands to arith operation CODE. | |
| 869 NOP_EXPR is used as a special case (see truthvalue_conversion). */ | |
| 111 | 870 extern void binary_op_error (rich_location *, enum tree_code, tree, tree); |
| 68 | 871 extern tree fix_string_type (tree); |
| 111 | 872 extern tree convert_and_check (location_t, tree, tree); |
| 68 | 873 extern bool c_determine_visibility (tree); |
| 111 | 874 extern bool vector_types_compatible_elements_p (tree, tree); |
| 68 | 875 extern void mark_valid_location_for_stdc_pragma (bool); |
| 876 extern bool valid_location_for_stdc_pragma_p (void); | |
| 877 extern void set_float_const_decimal64 (void); | |
| 878 extern void clear_float_const_decimal64 (void); | |
| 879 extern bool float_const_decimal64_p (void); | |
| 880 | |
| 881 extern bool keyword_begins_type_specifier (enum rid); | |
| 882 extern bool keyword_is_storage_class_specifier (enum rid); | |
| 883 extern bool keyword_is_type_qualifier (enum rid); | |
| 884 extern bool keyword_is_decl_specifier (enum rid); | |
| 111 | 885 extern unsigned max_align_t_align (void); |
| 886 extern bool cxx_fundamental_alignment_p (unsigned); | |
| 887 extern bool pointer_to_zero_sized_aggr_p (tree); | |
| 888 extern bool bool_promoted_to_int_p (tree); | |
| 889 extern tree fold_for_warn (tree); | |
| 890 extern tree c_common_get_narrower (tree, int *); | |
| 145 | 891 extern bool get_attribute_operand (tree, unsigned HOST_WIDE_INT *); |
| 68 | 892 |
| 111 | 893 #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
| 894 #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) | |
| 68 | 895 |
| 896 /* Subroutine of build_binary_op, used for certain operations. */ | |
| 897 extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); | |
| 898 | |
| 899 /* Subroutine of build_binary_op, used for comparison operations. | |
| 900 See if the operands have both been converted from subword integer types | |
| 901 and, if so, perhaps change them both back to their original type. */ | |
| 111 | 902 extern tree shorten_compare (location_t, tree *, tree *, tree *, |
| 903 enum tree_code *); | |
| 68 | 904 |
| 111 | 905 extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
| 906 bool = true); | |
| 68 | 907 |
| 908 /* Add qualifiers to a type, in the fashion for C. */ | |
| 111 | 909 extern tree c_build_qualified_type (tree, int, tree = NULL_TREE, size_t = 0); |
| 68 | 910 |
| 911 /* Build tree nodes and builtin functions common to both C and C++ language | |
| 912 frontends. */ | |
| 913 extern void c_common_nodes_and_builtins (void); | |
| 914 | |
| 915 extern void disable_builtin_function (const char *); | |
| 916 | |
| 917 extern void set_compound_literal_name (tree decl); | |
| 918 | |
| 919 extern tree build_va_arg (location_t, tree, tree); | |
| 920 | |
| 921 extern const unsigned int c_family_lang_mask; | |
| 922 extern unsigned int c_common_option_lang_mask (void); | |
| 111 | 923 extern void c_common_diagnostics_set_defaults (diagnostic_context *); |
| 68 | 924 extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
| 925 extern void c_common_init_options_struct (struct gcc_options *); | |
| 926 extern void c_common_init_options (unsigned int, struct cl_decoded_option *); | |
| 927 extern bool c_common_post_options (const char **); | |
| 928 extern bool c_common_init (void); | |
| 929 extern void c_common_finish (void); | |
| 930 extern void c_common_parse_file (void); | |
| 111 | 931 extern FILE *get_dump_info (int, dump_flags_t *); |
| 68 | 932 extern alias_set_type c_common_get_alias_set (tree); |
| 933 extern void c_register_builtin_type (tree, const char*); | |
| 934 extern bool c_promoting_integer_type_p (const_tree); | |
| 111 | 935 extern bool self_promoting_args_p (const_tree); |
| 68 | 936 extern tree strip_pointer_operator (tree); |
| 937 extern tree strip_pointer_or_array_types (tree); | |
| 938 extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); | |
| 939 | |
| 940 /* This is the basic parsing function. */ | |
| 941 extern void c_parse_file (void); | |
| 942 | |
| 111 | 943 extern void c_parse_final_cleanups (void); |
| 68 | 944 |
| 945 /* These macros provide convenient access to the various _STMT nodes. */ | |
| 946 | |
| 947 /* Nonzero if a given STATEMENT_LIST represents the outermost binding | |
| 948 if a statement expression. */ | |
| 949 #define STATEMENT_LIST_STMT_EXPR(NODE) \ | |
| 950 TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) | |
| 951 | |
| 952 /* Nonzero if a label has been added to the statement list. */ | |
| 953 #define STATEMENT_LIST_HAS_LABEL(NODE) \ | |
| 954 TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) | |
| 955 | |
| 956 /* C_MAYBE_CONST_EXPR accessors. */ | |
| 957 #define C_MAYBE_CONST_EXPR_PRE(NODE) \ | |
| 958 TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) | |
| 959 #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ | |
| 960 TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) | |
| 961 #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ | |
| 962 TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
| 963 #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ | |
| 964 TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) | |
| 965 #define EXPR_INT_CONST_OPERANDS(EXPR) \ | |
| 966 (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ | |
| 967 && (TREE_CODE (EXPR) == INTEGER_CST \ | |
| 968 || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ | |
| 969 && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) | |
| 970 | |
| 971 /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ | |
| 972 #define DECL_C_BIT_FIELD(NODE) \ | |
| 973 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) | |
| 974 #define SET_DECL_C_BIT_FIELD(NODE) \ | |
| 975 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) | |
| 976 #define CLEAR_DECL_C_BIT_FIELD(NODE) \ | |
| 977 (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) | |
| 978 | |
| 131 | 979 /* True if the decl was an unnamed bitfield. */ |
| 980 #define DECL_UNNAMED_BIT_FIELD(NODE) \ | |
| 981 (DECL_C_BIT_FIELD (NODE) && !DECL_NAME (NODE)) | |
| 982 | |
| 68 | 983 extern tree do_case (location_t, tree, tree); |
| 984 extern tree build_stmt (location_t, enum tree_code, ...); | |
| 985 extern tree build_real_imag_expr (location_t, enum tree_code, tree); | |
| 986 | |
| 987 /* These functions must be defined by each front-end which implements | |
| 988 a variant of the C language. They are used in c-common.c. */ | |
| 989 | |
| 111 | 990 extern tree build_unary_op (location_t, enum tree_code, tree, bool); |
| 991 extern tree build_binary_op (location_t, enum tree_code, tree, tree, bool); | |
| 68 | 992 extern tree perform_integral_promotions (tree); |
| 993 | |
| 994 /* These functions must be defined by each front-end which implements | |
| 995 a variant of the C language. They are used by port files. */ | |
| 996 | |
| 997 extern tree default_conversion (tree); | |
| 998 | |
| 999 /* Given two integer or real types, return the type for their sum. | |
| 1000 Given two compatible ANSI C types, returns the merged type. */ | |
| 1001 | |
| 1002 extern tree common_type (tree, tree); | |
| 1003 | |
| 1004 extern tree decl_constant_value (tree); | |
| 1005 | |
| 1006 /* Handle increment and decrement of boolean types. */ | |
| 1007 extern tree boolean_increment (enum tree_code, tree); | |
| 1008 | |
| 1009 extern int case_compare (splay_tree_key, splay_tree_key); | |
| 1010 | |
| 145 | 1011 extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree); |
| 131 | 1012 extern bool c_switch_covers_all_cases_p (splay_tree, tree); |
| 68 | 1013 |
| 1014 extern tree build_function_call (location_t, tree, tree); | |
| 1015 | |
| 111 | 1016 extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
| 145 | 1017 vec<tree, va_gc> *, vec<tree, va_gc> *, |
| 1018 tree = NULL_TREE); | |
| 68 | 1019 |
| 111 | 1020 extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
| 68 | 1021 |
| 1022 extern tree finish_label_address_expr (tree, location_t); | |
| 1023 | |
| 1024 /* Same function prototype, but the C and C++ front ends have | |
| 1025 different implementations. Used in c-common.c. */ | |
| 1026 extern tree lookup_label (tree); | |
| 1027 extern tree lookup_name (tree); | |
| 1028 extern bool lvalue_p (const_tree); | |
| 1029 | |
| 1030 extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); | |
| 1031 extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); | |
| 111 | 1032 extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
| 145 | 1033 extern tree c_build_vec_convert (location_t, tree, location_t, tree, bool = true); |
| 68 | 1034 |
| 1035 extern void init_c_lex (void); | |
| 1036 | |
| 1037 extern void c_cpp_builtins (cpp_reader *); | |
| 1038 extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); | |
| 131 | 1039 extern bool c_cpp_diagnostic (cpp_reader *, enum cpp_diagnostic_level, |
| 1040 enum cpp_warning_reason, rich_location *, | |
| 1041 const char *, va_list *) | |
| 111 | 1042 ATTRIBUTE_GCC_DIAG(5,0); |
| 1043 extern int c_common_has_attribute (cpp_reader *); | |
| 145 | 1044 extern int c_common_has_builtin (cpp_reader *); |
| 68 | 1045 |
| 1046 extern bool parse_optimize_options (tree, bool); | |
| 1047 | |
| 1048 /* Positive if an implicit `extern "C"' scope has just been entered; | |
| 1049 negative if such a scope has just been exited. */ | |
| 1050 extern GTY(()) int pending_lang_change; | |
| 1051 | |
| 1052 /* Information recorded about each file examined during compilation. */ | |
| 1053 | |
| 1054 struct c_fileinfo | |
| 1055 { | |
| 1056 int time; /* Time spent in the file. */ | |
| 1057 | |
| 1058 /* Flags used only by C++. | |
| 1059 INTERFACE_ONLY nonzero means that we are in an "interface" section | |
| 1060 of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust | |
| 1061 the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and | |
| 1062 INTERFACE_ONLY is zero, it means that we are responsible for | |
| 1063 exporting definitions that others might need. */ | |
| 1064 short interface_only; | |
| 1065 short interface_unknown; | |
| 1066 }; | |
| 1067 | |
| 1068 struct c_fileinfo *get_fileinfo (const char *); | |
| 1069 extern void dump_time_statistics (void); | |
| 1070 | |
| 1071 extern bool c_dump_tree (void *, tree); | |
| 1072 | |
| 1073 extern void verify_sequence_points (tree); | |
| 1074 | |
| 131 | 1075 extern tree fold_offsetof (tree, tree = size_type_node, |
| 1076 tree_code ctx = ERROR_MARK); | |
| 111 | 1077 |
| 1078 extern int complete_array_type (tree *, tree, bool); | |
| 131 | 1079 extern void complete_flexible_array_elts (tree); |
| 111 | 1080 |
| 1081 extern tree builtin_type_for_size (int, bool); | |
| 1082 | |
| 1083 extern void c_common_mark_addressable_vec (tree); | |
| 1084 | |
| 1085 extern void set_underlying_type (tree); | |
| 145 | 1086 extern bool user_facing_original_type_p (const_tree); |
| 111 | 1087 extern void record_types_used_by_current_var_decl (tree); |
| 1088 extern vec<tree, va_gc> *make_tree_vector (void); | |
| 1089 extern void release_tree_vector (vec<tree, va_gc> *); | |
| 1090 extern vec<tree, va_gc> *make_tree_vector_single (tree); | |
| 1091 extern vec<tree, va_gc> *make_tree_vector_from_list (tree); | |
| 1092 extern vec<tree, va_gc> *make_tree_vector_from_ctor (tree); | |
| 1093 extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); | |
| 1094 | |
| 1095 /* Used for communication between c_common_type_for_mode and | |
| 1096 c_register_builtin_type. */ | |
| 1097 extern GTY(()) tree registered_builtin_types; | |
| 1098 | |
| 1099 /* Read SOURCE_DATE_EPOCH from environment to have a deterministic | |
| 1100 timestamp to replace embedded current dates to get reproducible | |
| 1101 results. Returns -1 if SOURCE_DATE_EPOCH is not defined. */ | |
| 1102 extern time_t cb_get_source_date_epoch (cpp_reader *pfile); | |
| 1103 | |
| 1104 /* The value (as a unix timestamp) corresponds to date | |
| 1105 "Dec 31 9999 23:59:59 UTC", which is the latest date that __DATE__ and | |
| 1106 __TIME__ can store. */ | |
| 1107 #define MAX_SOURCE_DATE_EPOCH HOST_WIDE_INT_C (253402300799) | |
| 1108 | |
| 1109 /* Callback for libcpp for offering spelling suggestions for misspelled | |
| 1110 directives. */ | |
| 1111 extern const char *cb_get_suggestion (cpp_reader *, const char *, | |
| 1112 const char *const *); | |
| 1113 | |
| 1114 extern GTY(()) string_concat_db *g_string_concat_db; | |
| 1115 | |
| 1116 class substring_loc; | |
| 1117 extern const char *c_get_substring_location (const substring_loc &substr_loc, | |
| 1118 location_t *out_loc); | |
| 1119 | |
| 1120 /* In c-gimplify.c */ | |
| 1121 extern void c_genericize (tree); | |
| 1122 extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); | |
| 1123 extern tree c_build_bind_expr (location_t, tree, tree); | |
| 1124 | |
| 1125 /* In c-lex.c. */ | |
| 1126 extern enum cpp_ttype | |
| 1127 conflict_marker_get_final_tok_kind (enum cpp_ttype tok1_kind); | |
| 1128 | |
| 1129 /* In c-pch.c */ | |
| 1130 extern void pch_init (void); | |
| 1131 extern void pch_cpp_save_state (void); | |
| 1132 extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); | |
| 1133 extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, | |
| 1134 const char *orig); | |
| 1135 extern void c_common_write_pch (void); | |
| 1136 extern void c_common_no_more_pch (void); | |
| 1137 extern void c_common_pch_pragma (cpp_reader *pfile, const char *); | |
| 1138 | |
| 1139 /* In *-checksum.c */ | |
| 1140 extern const unsigned char executable_checksum[16]; | |
| 1141 | |
| 1142 /* In c-cppbuiltin.c */ | |
| 1143 extern void builtin_define_std (const char *macro); | |
| 1144 extern void builtin_define_with_value (const char *, const char *, int); | |
| 1145 extern void builtin_define_with_int_value (const char *, HOST_WIDE_INT); | |
| 1146 extern void builtin_define_type_sizeof (const char *, tree); | |
| 1147 extern void c_stddef_cpp_builtins (void); | |
| 1148 extern void fe_file_change (const line_map_ordinary *); | |
| 1149 extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char, | |
| 1150 rich_location *richloc); | |
| 1151 | |
| 1152 /* In c-ppoutput.c */ | |
| 1153 extern void init_pp_output (FILE *); | |
| 1154 extern void preprocess_file (cpp_reader *); | |
| 1155 extern void pp_file_change (const line_map_ordinary *); | |
| 1156 extern void pp_dir_change (cpp_reader *, const char *); | |
| 1157 extern bool check_missing_format_attribute (tree, tree); | |
| 1158 | |
| 1159 /* In c-omp.c */ | |
| 131 | 1160 typedef wide_int_bitmask omp_clause_mask; |
| 111 | 1161 |
| 1162 #define OMP_CLAUSE_MASK_1 omp_clause_mask (1) | |
| 1163 | |
| 1164 enum c_omp_clause_split | |
| 1165 { | |
| 1166 C_OMP_CLAUSE_SPLIT_TARGET = 0, | |
| 1167 C_OMP_CLAUSE_SPLIT_TEAMS, | |
| 1168 C_OMP_CLAUSE_SPLIT_DISTRIBUTE, | |
| 1169 C_OMP_CLAUSE_SPLIT_PARALLEL, | |
| 1170 C_OMP_CLAUSE_SPLIT_FOR, | |
| 1171 C_OMP_CLAUSE_SPLIT_SIMD, | |
| 1172 C_OMP_CLAUSE_SPLIT_COUNT, | |
| 1173 C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR, | |
| 145 | 1174 C_OMP_CLAUSE_SPLIT_TASKLOOP = C_OMP_CLAUSE_SPLIT_FOR, |
| 1175 C_OMP_CLAUSE_SPLIT_LOOP = C_OMP_CLAUSE_SPLIT_FOR | |
| 111 | 1176 }; |
| 1177 | |
| 1178 enum c_omp_region_type | |
| 1179 { | |
| 1180 C_ORT_OMP = 1 << 0, | |
| 131 | 1181 C_ORT_ACC = 1 << 1, |
| 1182 C_ORT_DECLARE_SIMD = 1 << 2, | |
| 111 | 1183 C_ORT_OMP_DECLARE_SIMD = C_ORT_OMP | C_ORT_DECLARE_SIMD |
| 1184 }; | |
| 1185 | |
| 1186 extern tree c_finish_omp_master (location_t, tree); | |
| 145 | 1187 extern tree c_finish_omp_taskgroup (location_t, tree, tree); |
| 111 | 1188 extern tree c_finish_omp_critical (location_t, tree, tree, tree); |
| 1189 extern tree c_finish_omp_ordered (location_t, tree, tree); | |
| 1190 extern void c_finish_omp_barrier (location_t); | |
| 1191 extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, | |
| 145 | 1192 tree, tree, tree, tree, tree, bool, |
| 1193 enum omp_memory_order, bool = false); | |
| 1194 extern bool c_omp_depend_t_p (tree); | |
| 1195 extern void c_finish_omp_depobj (location_t, tree, enum omp_clause_depend_kind, | |
| 1196 tree); | |
| 1197 extern void c_finish_omp_flush (location_t, int); | |
| 111 | 1198 extern void c_finish_omp_taskwait (location_t); |
| 1199 extern void c_finish_omp_taskyield (location_t); | |
| 1200 extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, | |
| 145 | 1201 tree, tree, tree, tree, bool); |
| 111 | 1202 extern bool c_omp_check_loop_iv (tree, tree, walk_tree_lh); |
| 1203 extern bool c_omp_check_loop_iv_exprs (location_t, tree, tree, tree, tree, | |
| 1204 walk_tree_lh); | |
| 1205 extern tree c_finish_oacc_wait (location_t, tree, tree); | |
| 1206 extern tree c_oacc_split_loop_clauses (tree, tree *, bool); | |
| 1207 extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, | |
| 1208 tree, tree *); | |
| 1209 extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); | |
| 1210 extern void c_omp_declare_simd_clauses_to_decls (tree, tree); | |
| 145 | 1211 extern bool c_omp_predefined_variable (tree); |
| 111 | 1212 extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
| 145 | 1213 extern tree c_omp_check_context_selector (location_t, tree); |
| 1214 extern void c_omp_mark_declare_variant (location_t, tree, tree); | |
| 1215 extern const char *c_omp_map_clause_name (tree, bool); | |
| 111 | 1216 |
| 1217 /* Return next tree in the chain for chain_next walking of tree nodes. */ | |
| 1218 static inline tree | |
| 1219 c_tree_chain_next (tree t) | |
| 1220 { | |
| 1221 /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different | |
| 1222 kind of object, never a long chain of nodes. Prefer | |
| 1223 TYPE_NEXT_VARIANT for types. */ | |
| 1224 if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) | |
| 1225 return TYPE_NEXT_VARIANT (t); | |
| 1226 /* Otherwise, if there is TREE_CHAIN, return it. */ | |
| 1227 if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) | |
| 1228 return TREE_CHAIN (t); | |
| 1229 return NULL; | |
| 1230 } | |
| 1231 | |
| 1232 /* Mask used by tm_stmt_attr. */ | |
| 1233 #define TM_STMT_ATTR_OUTER 2 | |
| 1234 #define TM_STMT_ATTR_ATOMIC 4 | |
| 1235 #define TM_STMT_ATTR_RELAXED 8 | |
| 1236 | |
| 1237 /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these | |
| 1238 are ordered specifically such that more restrictive attributes are | |
| 1239 at lower bit positions. This fact is known by the C++ tm attribute | |
| 1240 inheritance code such that least bit extraction (mask & -mask) results | |
| 1241 in the most restrictive attribute. */ | |
| 1242 #define TM_ATTR_SAFE 1 | |
| 1243 #define TM_ATTR_CALLABLE 2 | |
| 1244 #define TM_ATTR_PURE 4 | |
| 1245 #define TM_ATTR_IRREVOCABLE 8 | |
| 1246 #define TM_ATTR_MAY_CANCEL_OUTER 16 | |
| 1247 | |
| 1248 /* A suffix-identifier value doublet that represents user-defined literals | |
| 1249 for C++-0x. */ | |
| 1250 enum overflow_type { | |
| 1251 OT_UNDERFLOW = -1, | |
| 1252 OT_NONE, | |
| 1253 OT_OVERFLOW | |
| 1254 }; | |
| 1255 | |
| 1256 struct GTY(()) tree_userdef_literal { | |
| 1257 struct tree_base base; | |
| 1258 tree suffix_id; | |
| 1259 tree value; | |
| 1260 tree num_string; | |
| 1261 enum overflow_type overflow; | |
| 1262 }; | |
| 1263 | |
| 1264 #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ | |
| 1265 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) | |
| 1266 | |
| 1267 #define USERDEF_LITERAL_VALUE(NODE) \ | |
| 1268 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) | |
| 1269 | |
| 1270 #define USERDEF_LITERAL_OVERFLOW(NODE) \ | |
| 1271 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) | |
| 1272 | |
| 1273 #define USERDEF_LITERAL_NUM_STRING(NODE) \ | |
| 1274 (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) | |
| 1275 | |
| 1276 #define USERDEF_LITERAL_TYPE(NODE) \ | |
| 1277 (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) | |
| 1278 | |
| 1279 extern tree build_userdef_literal (tree suffix_id, tree value, | |
| 1280 enum overflow_type overflow, | |
| 1281 tree num_string); | |
| 1282 | |
| 1283 extern bool convert_vector_to_array_for_subscript (location_t, tree *, tree); | |
| 1284 | |
| 1285 /* Possibe cases of scalar_to_vector conversion. */ | |
| 1286 enum stv_conv { | |
| 1287 stv_error, /* Error occurred. */ | |
| 1288 stv_nothing, /* Nothing happened. */ | |
| 1289 stv_firstarg, /* First argument must be expanded. */ | |
| 1290 stv_secondarg /* Second argument must be expanded. */ | |
| 1291 }; | |
| 1292 | |
| 1293 extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, | |
| 1294 tree op0, tree op1, bool); | |
| 1295 | |
| 1296 extern tree find_inv_trees (tree *, int *, void *); | |
| 1297 extern tree replace_inv_trees (tree *, int *, void *); | |
| 1298 | |
| 1299 extern bool reject_gcc_builtin (const_tree, location_t = UNKNOWN_LOCATION); | |
| 145 | 1300 extern bool valid_array_size_p (location_t, const_tree, tree, bool = true); |
| 1301 extern void invalid_array_size_error (location_t, cst_size_error, | |
| 1302 const_tree, const_tree); | |
| 111 | 1303 |
| 1304 /* In c-warn.c. */ | |
| 1305 extern void constant_expression_warning (tree); | |
| 1306 extern void constant_expression_error (tree); | |
| 1307 extern void overflow_warning (location_t, tree, tree = NULL_TREE); | |
| 1308 extern void warn_logical_operator (location_t, enum tree_code, tree, | |
| 1309 enum tree_code, tree, enum tree_code, tree); | |
| 145 | 1310 extern void warn_tautological_cmp (const op_location_t &, enum tree_code, |
| 1311 tree, tree); | |
| 111 | 1312 extern void warn_logical_not_parentheses (location_t, enum tree_code, tree, |
| 1313 tree); | |
| 1314 extern bool warn_if_unused_value (const_tree, location_t); | |
| 131 | 1315 extern bool strict_aliasing_warning (location_t, tree, tree); |
| 111 | 1316 extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
| 1317 vec<tree, va_gc> *, tree *, | |
| 1318 bool (*) (tree, tree)); | |
| 1319 extern void check_main_parameter_types (tree decl); | |
| 1320 extern void warnings_for_convert_and_check (location_t, tree, tree, tree); | |
| 145 | 1321 extern void c_do_switch_warnings (splay_tree, location_t, tree, tree, bool); |
| 111 | 1322 extern void warn_for_omitted_condop (location_t, tree); |
| 131 | 1323 extern bool warn_for_restrict (unsigned, tree *, unsigned); |
| 145 | 1324 extern void warn_for_address_or_pointer_of_packed_member (tree, tree); |
| 68 | 1325 |
| 1326 /* Places where an lvalue, or modifiable lvalue, may be required. | |
| 1327 Used to select diagnostic messages in lvalue_error and | |
| 1328 readonly_error. */ | |
| 1329 enum lvalue_use { | |
| 1330 lv_assign, | |
| 1331 lv_increment, | |
| 1332 lv_decrement, | |
| 1333 lv_addressof, | |
| 1334 lv_asm | |
| 1335 }; | |
| 1336 | |
| 1337 extern void lvalue_error (location_t, enum lvalue_use); | |
| 1338 extern void invalid_indirection_error (location_t, tree, ref_operator); | |
| 111 | 1339 extern void readonly_error (location_t, tree, enum lvalue_use); |
| 1340 extern void warn_array_subscript_with_type_char (location_t, tree); | |
| 1341 extern void warn_about_parentheses (location_t, | |
| 1342 enum tree_code, | |
| 68 | 1343 enum tree_code, tree, |
| 1344 enum tree_code, tree); | |
| 1345 extern void warn_for_unused_label (tree label); | |
| 1346 extern void warn_for_div_by_zero (location_t, tree divisor); | |
| 111 | 1347 extern void warn_for_memset (location_t, tree, tree, int); |
| 68 | 1348 extern void warn_for_sign_compare (location_t, |
| 1349 tree orig_op0, tree orig_op1, | |
| 1350 tree op0, tree op1, | |
| 1351 tree result_type, | |
| 1352 enum tree_code resultcode); | |
| 111 | 1353 extern void do_warn_double_promotion (tree, tree, tree, const char *, |
| 68 | 1354 location_t); |
| 111 | 1355 extern void do_warn_unused_parameter (tree); |
| 1356 extern void record_locally_defined_typedef (tree); | |
| 1357 extern void maybe_record_typedef_use (tree); | |
| 1358 extern void maybe_warn_unused_local_typedefs (void); | |
| 1359 extern void maybe_warn_bool_compare (location_t, enum tree_code, tree, tree); | |
| 1360 extern bool maybe_warn_shift_overflow (location_t, tree, tree); | |
| 1361 extern void warn_duplicated_cond_add_or_warn (location_t, tree, vec<tree> **); | |
| 1362 extern bool diagnose_mismatched_attributes (tree, tree); | |
| 1363 extern tree do_warn_duplicated_branches_r (tree *, int *, void *); | |
| 1364 extern void warn_for_multistatement_macros (location_t, location_t, | |
| 1365 location_t, enum rid); | |
| 68 | 1366 |
| 111 | 1367 /* In c-attribs.c. */ |
| 1368 extern bool attribute_takes_identifier_p (const_tree); | |
| 145 | 1369 extern tree handle_deprecated_attribute (tree *, tree, tree, int, bool *); |
| 111 | 1370 extern tree handle_unused_attribute (tree *, tree, tree, int, bool *); |
| 145 | 1371 extern tree handle_fallthrough_attribute (tree *, tree, tree, int, bool *); |
| 111 | 1372 extern int parse_tm_stmt_attr (tree, int); |
| 1373 extern int tm_attr_to_mask (tree); | |
| 1374 extern tree tm_mask_to_attr (int); | |
| 1375 extern tree find_tm_attribute (tree); | |
| 145 | 1376 extern const struct attribute_spec::exclusions attr_cold_hot_exclusions[]; |
| 1377 extern const struct attribute_spec::exclusions attr_noreturn_exclusions[]; | |
| 1378 extern tree handle_noreturn_attribute (tree *, tree, tree, int, bool *); | |
| 1379 | |
| 1380 /* In c-format.c. */ | |
| 1381 extern bool valid_format_string_type_p (tree); | |
| 1382 | |
| 1383 /* A bitmap of flags to positional_argument. */ | |
| 1384 enum posargflags { | |
| 1385 /* Consider positional attribute argument value zero valid. */ | |
| 1386 POSARG_ZERO = 1, | |
| 1387 /* Consider positional attribute argument value valid if it refers | |
| 1388 to the ellipsis (i.e., beyond the last typed argument). */ | |
| 1389 POSARG_ELLIPSIS = 2 | |
| 1390 }; | |
| 1391 | |
| 1392 extern tree positional_argument (const_tree, const_tree, tree, tree_code, | |
| 1393 int = 0, int = posargflags ()); | |
| 68 | 1394 |
| 111 | 1395 extern enum flt_eval_method |
| 1396 excess_precision_mode_join (enum flt_eval_method, enum flt_eval_method); | |
| 68 | 1397 |
| 111 | 1398 extern int c_flt_eval_method (bool ts18661_p); |
| 1399 extern void add_no_sanitize_value (tree node, unsigned int flags); | |
| 1400 | |
| 131 | 1401 extern void maybe_add_include_fixit (rich_location *, const char *, bool); |
| 111 | 1402 extern void maybe_suggest_missing_token_insertion (rich_location *richloc, |
| 1403 enum cpp_ttype token_type, | |
| 1404 location_t prev_token_loc); | |
| 145 | 1405 extern tree braced_lists_to_strings (tree, tree); |
| 1406 | |
| 1407 extern bool has_attribute (location_t, tree, tree, tree (*)(tree)); | |
| 68 | 1408 |
| 111 | 1409 #if CHECKING_P |
| 1410 namespace selftest { | |
| 1411 /* Declarations for specific families of tests within c-family, | |
| 1412 by source file, in alphabetical order. */ | |
| 1413 extern void c_format_c_tests (void); | |
| 131 | 1414 extern void c_indentation_c_tests (void); |
| 1415 extern void c_pretty_print_c_tests (void); | |
| 1416 extern void c_spellcheck_cc_tests (void); | |
| 68 | 1417 |
| 111 | 1418 /* The entrypoint for running all of the above tests. */ |
| 1419 extern void c_family_tests (void); | |
| 1420 } // namespace selftest | |
| 1421 #endif /* #if CHECKING_P */ | |
| 68 | 1422 |
| 1423 #endif /* ! GCC_C_COMMON_H */ |