1 /* Pragma related interfaces. 2 Copyright (C) 1995-2022 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #ifndef GCC_C_PRAGMA_H 21 #define GCC_C_PRAGMA_H 22 23 #include "cpplib.h" /* For enum cpp_ttype. */ 24 25 /* Pragma identifiers built in to the front end parsers. Identifiers 26 for ancillary handlers will follow these. */ 27 enum pragma_kind { 28 PRAGMA_NONE = 0, 29 30 PRAGMA_OACC_ATOMIC, 31 PRAGMA_OACC_CACHE, 32 PRAGMA_OACC_DATA, 33 PRAGMA_OACC_DECLARE, 34 PRAGMA_OACC_ENTER_DATA, 35 PRAGMA_OACC_EXIT_DATA, 36 PRAGMA_OACC_HOST_DATA, 37 PRAGMA_OACC_KERNELS, 38 PRAGMA_OACC_LOOP, 39 PRAGMA_OACC_PARALLEL, 40 PRAGMA_OACC_ROUTINE, 41 PRAGMA_OACC_SERIAL, 42 PRAGMA_OACC_UPDATE, 43 PRAGMA_OACC_WAIT, 44 45 /* PRAGMA_OMP__START_ should be equal to the first PRAGMA_OMP_* code. */ 46 PRAGMA_OMP_ALLOCATE, 47 PRAGMA_OMP__START_ = PRAGMA_OMP_ALLOCATE, 48 PRAGMA_OMP_ATOMIC, 49 PRAGMA_OMP_BARRIER, 50 PRAGMA_OMP_CANCEL, 51 PRAGMA_OMP_CANCELLATION_POINT, 52 PRAGMA_OMP_CRITICAL, 53 PRAGMA_OMP_DECLARE, 54 PRAGMA_OMP_DEPOBJ, 55 PRAGMA_OMP_DISTRIBUTE, 56 PRAGMA_OMP_ERROR, 57 PRAGMA_OMP_END_DECLARE_TARGET, 58 PRAGMA_OMP_FLUSH, 59 PRAGMA_OMP_FOR, 60 PRAGMA_OMP_LOOP, 61 PRAGMA_OMP_NOTHING, 62 PRAGMA_OMP_MASKED, 63 PRAGMA_OMP_MASTER, 64 PRAGMA_OMP_ORDERED, 65 PRAGMA_OMP_PARALLEL, 66 PRAGMA_OMP_REQUIRES, 67 PRAGMA_OMP_SCAN, 68 PRAGMA_OMP_SCOPE, 69 PRAGMA_OMP_SECTION, 70 PRAGMA_OMP_SECTIONS, 71 PRAGMA_OMP_SIMD, 72 PRAGMA_OMP_SINGLE, 73 PRAGMA_OMP_TARGET, 74 PRAGMA_OMP_TASK, 75 PRAGMA_OMP_TASKGROUP, 76 PRAGMA_OMP_TASKLOOP, 77 PRAGMA_OMP_TASKWAIT, 78 PRAGMA_OMP_TASKYIELD, 79 PRAGMA_OMP_THREADPRIVATE, 80 PRAGMA_OMP_TEAMS, 81 /* PRAGMA_OMP__LAST_ should be equal to the last PRAGMA_OMP_* code. */ 82 PRAGMA_OMP__LAST_ = PRAGMA_OMP_TEAMS, 83 84 PRAGMA_GCC_PCH_PREPROCESS, 85 PRAGMA_IVDEP, 86 PRAGMA_UNROLL, 87 88 PRAGMA_FIRST_EXTERNAL 89 }; 90 91 92 /* All clauses defined by OpenACC 2.0, and OpenMP 2.5, 3.0, 3.1, 4.0, 4.5, 5.0, 93 and 5.1. Used internally by both C and C++ parsers. */ 94 enum pragma_omp_clause { 95 PRAGMA_OMP_CLAUSE_NONE = 0, 96 97 PRAGMA_OMP_CLAUSE_AFFINITY, 98 PRAGMA_OMP_CLAUSE_ALIGNED, 99 PRAGMA_OMP_CLAUSE_ALLOCATE, 100 PRAGMA_OMP_CLAUSE_BIND, 101 PRAGMA_OMP_CLAUSE_COLLAPSE, 102 PRAGMA_OMP_CLAUSE_COPYIN, 103 PRAGMA_OMP_CLAUSE_COPYPRIVATE, 104 PRAGMA_OMP_CLAUSE_DEFAULT, 105 PRAGMA_OMP_CLAUSE_DEFAULTMAP, 106 PRAGMA_OMP_CLAUSE_DEPEND, 107 PRAGMA_OMP_CLAUSE_DETACH, 108 PRAGMA_OMP_CLAUSE_DEVICE, 109 PRAGMA_OMP_CLAUSE_DEVICE_TYPE, 110 PRAGMA_OMP_CLAUSE_DIST_SCHEDULE, 111 PRAGMA_OMP_CLAUSE_FILTER, 112 PRAGMA_OMP_CLAUSE_FINAL, 113 PRAGMA_OMP_CLAUSE_FIRSTPRIVATE, 114 PRAGMA_OMP_CLAUSE_FOR, 115 PRAGMA_OMP_CLAUSE_FROM, 116 PRAGMA_OMP_CLAUSE_GRAINSIZE, 117 PRAGMA_OMP_CLAUSE_HAS_DEVICE_ADDR, 118 PRAGMA_OMP_CLAUSE_HINT, 119 PRAGMA_OMP_CLAUSE_IF, 120 PRAGMA_OMP_CLAUSE_IN_REDUCTION, 121 PRAGMA_OMP_CLAUSE_INBRANCH, 122 PRAGMA_OMP_CLAUSE_IS_DEVICE_PTR, 123 PRAGMA_OMP_CLAUSE_LASTPRIVATE, 124 PRAGMA_OMP_CLAUSE_LINEAR, 125 PRAGMA_OMP_CLAUSE_LINK, 126 PRAGMA_OMP_CLAUSE_MAP, 127 PRAGMA_OMP_CLAUSE_MERGEABLE, 128 PRAGMA_OMP_CLAUSE_NOGROUP, 129 PRAGMA_OMP_CLAUSE_NONTEMPORAL, 130 PRAGMA_OMP_CLAUSE_NOTINBRANCH, 131 PRAGMA_OMP_CLAUSE_NOWAIT, 132 PRAGMA_OMP_CLAUSE_NUM_TASKS, 133 PRAGMA_OMP_CLAUSE_NUM_TEAMS, 134 PRAGMA_OMP_CLAUSE_NUM_THREADS, 135 PRAGMA_OMP_CLAUSE_ORDER, 136 PRAGMA_OMP_CLAUSE_ORDERED, 137 PRAGMA_OMP_CLAUSE_PARALLEL, 138 PRAGMA_OMP_CLAUSE_PRIORITY, 139 PRAGMA_OMP_CLAUSE_PRIVATE, 140 PRAGMA_OMP_CLAUSE_PROC_BIND, 141 PRAGMA_OMP_CLAUSE_REDUCTION, 142 PRAGMA_OMP_CLAUSE_SAFELEN, 143 PRAGMA_OMP_CLAUSE_SCHEDULE, 144 PRAGMA_OMP_CLAUSE_SECTIONS, 145 PRAGMA_OMP_CLAUSE_SHARED, 146 PRAGMA_OMP_CLAUSE_SIMD, 147 PRAGMA_OMP_CLAUSE_SIMDLEN, 148 PRAGMA_OMP_CLAUSE_TASK_REDUCTION, 149 PRAGMA_OMP_CLAUSE_TASKGROUP, 150 PRAGMA_OMP_CLAUSE_THREAD_LIMIT, 151 PRAGMA_OMP_CLAUSE_THREADS, 152 PRAGMA_OMP_CLAUSE_TO, 153 PRAGMA_OMP_CLAUSE_UNIFORM, 154 PRAGMA_OMP_CLAUSE_UNTIED, 155 PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR, 156 PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR, 157 158 /* Clauses for OpenACC. */ 159 PRAGMA_OACC_CLAUSE_ASYNC, 160 PRAGMA_OACC_CLAUSE_ATTACH, 161 PRAGMA_OACC_CLAUSE_AUTO, 162 PRAGMA_OACC_CLAUSE_COPY, 163 PRAGMA_OACC_CLAUSE_COPYOUT, 164 PRAGMA_OACC_CLAUSE_CREATE, 165 PRAGMA_OACC_CLAUSE_DELETE, 166 PRAGMA_OACC_CLAUSE_DEVICEPTR, 167 PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT, 168 PRAGMA_OACC_CLAUSE_FINALIZE, 169 PRAGMA_OACC_CLAUSE_GANG, 170 PRAGMA_OACC_CLAUSE_HOST, 171 PRAGMA_OACC_CLAUSE_INDEPENDENT, 172 PRAGMA_OACC_CLAUSE_NO_CREATE, 173 PRAGMA_OACC_CLAUSE_NOHOST, 174 PRAGMA_OACC_CLAUSE_NUM_GANGS, 175 PRAGMA_OACC_CLAUSE_NUM_WORKERS, 176 PRAGMA_OACC_CLAUSE_PRESENT, 177 PRAGMA_OACC_CLAUSE_SELF, 178 PRAGMA_OACC_CLAUSE_SEQ, 179 PRAGMA_OACC_CLAUSE_TILE, 180 PRAGMA_OACC_CLAUSE_VECTOR, 181 PRAGMA_OACC_CLAUSE_VECTOR_LENGTH, 182 PRAGMA_OACC_CLAUSE_WAIT, 183 PRAGMA_OACC_CLAUSE_WORKER, 184 PRAGMA_OACC_CLAUSE_IF_PRESENT, 185 PRAGMA_OACC_CLAUSE_COLLAPSE = PRAGMA_OMP_CLAUSE_COLLAPSE, 186 PRAGMA_OACC_CLAUSE_COPYIN = PRAGMA_OMP_CLAUSE_COPYIN, 187 PRAGMA_OACC_CLAUSE_DEVICE = PRAGMA_OMP_CLAUSE_DEVICE, 188 PRAGMA_OACC_CLAUSE_DEFAULT = PRAGMA_OMP_CLAUSE_DEFAULT, 189 PRAGMA_OACC_CLAUSE_DETACH = PRAGMA_OMP_CLAUSE_DETACH, 190 PRAGMA_OACC_CLAUSE_FIRSTPRIVATE = PRAGMA_OMP_CLAUSE_FIRSTPRIVATE, 191 PRAGMA_OACC_CLAUSE_IF = PRAGMA_OMP_CLAUSE_IF, 192 PRAGMA_OACC_CLAUSE_PRIVATE = PRAGMA_OMP_CLAUSE_PRIVATE, 193 PRAGMA_OACC_CLAUSE_REDUCTION = PRAGMA_OMP_CLAUSE_REDUCTION, 194 PRAGMA_OACC_CLAUSE_LINK = PRAGMA_OMP_CLAUSE_LINK, 195 PRAGMA_OACC_CLAUSE_USE_DEVICE = PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR 196 }; 197 198 extern struct cpp_reader* parse_in; 199 200 /* It's safe to always leave visibility pragma enabled as if 201 visibility is not supported on the host OS platform the 202 statements are ignored. */ 203 extern void push_visibility (const char *, int); 204 extern bool pop_visibility (int); 205 206 extern void init_pragma (void); 207 208 /* Front-end wrappers for pragma registration. */ 209 typedef void (*pragma_handler_1arg)(struct cpp_reader *); 210 /* A second pragma handler, which adds a void * argument allowing to pass extra 211 data to the handler. */ 212 typedef void (*pragma_handler_2arg)(struct cpp_reader *, void *); 213 214 /* This union allows to abstract the different handlers. */ 215 union gen_pragma_handler { 216 pragma_handler_1arg handler_1arg; 217 pragma_handler_2arg handler_2arg; 218 }; 219 /* Internally used to keep the data of the handler. */ 220 struct internal_pragma_handler { 221 union gen_pragma_handler handler; 222 /* Permits to know if handler is a pragma_handler_1arg (extra_data is false) 223 or a pragma_handler_2arg (extra_data is true). */ 224 bool extra_data; 225 /* A data field which can be used when extra_data is true. */ 226 void * data; 227 }; 228 229 extern void c_register_pragma (const char *space, const char *name, 230 pragma_handler_1arg handler); 231 extern void c_register_pragma_with_data (const char *space, const char *name, 232 pragma_handler_2arg handler, 233 void *data); 234 235 extern void c_register_pragma_with_expansion (const char *space, 236 const char *name, 237 pragma_handler_1arg handler); 238 extern void c_register_pragma_with_expansion_and_data (const char *space, 239 const char *name, 240 pragma_handler_2arg handler, 241 void *data); 242 extern void c_invoke_pragma_handler (unsigned int); 243 244 extern void maybe_apply_pragma_weak (tree); 245 extern void maybe_apply_pending_pragma_weaks (void); 246 extern tree maybe_apply_renaming_pragma (tree, tree); 247 extern void maybe_apply_pragma_scalar_storage_order (tree); 248 extern void add_to_renaming_pragma_list (tree, tree); 249 250 extern enum cpp_ttype pragma_lex (tree *, location_t *loc = NULL); 251 252 /* Flags for use with c_lex_with_flags. The values here were picked 253 so that 0 means to translate and join strings. */ 254 #define C_LEX_STRING_NO_TRANSLATE 1 /* Do not lex strings into 255 execution character set. */ 256 #define C_LEX_STRING_NO_JOIN 2 /* Do not concatenate strings 257 nor translate them into execution 258 character set. */ 259 260 /* This is not actually available to pragma parsers. It's merely a 261 convenient location to declare this function for c-lex, after 262 having enum cpp_ttype declared. */ 263 extern enum cpp_ttype c_lex_with_flags (tree *, location_t *, unsigned char *, 264 int); 265 266 extern void c_pp_lookup_pragma (unsigned int, const char **, const char **); 267 268 extern GTY(()) tree pragma_extern_prefix; 269 270 #endif /* GCC_C_PRAGMA_H */ 271
Indexes created Sun Mar 01 05:31:48 UTC 2026