/* Pragma related interfaces. Copyright (C) 1995-2014 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see . */ #ifndef GCC_C_PRAGMA_H #define GCC_C_PRAGMA_H #include "cpplib.h" /* For enum cpp_ttype. */ /* Pragma identifiers built in to the front end parsers. Identifiers for ancillary handlers will follow these. */ typedef enum pragma_kind { PRAGMA_NONE = 0, PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CANCEL, PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_DECLARE_REDUCTION, PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SIMD, PRAGMA_OMP_SINGLE, PRAGMA_OMP_TARGET, PRAGMA_OMP_TASK, PRAGMA_OMP_TASKGROUP, PRAGMA_OMP_TASKWAIT, PRAGMA_OMP_TASKYIELD, PRAGMA_OMP_THREADPRIVATE, PRAGMA_OMP_TEAMS, /* Top level clause to handle all Cilk Plus pragma simd clauses. */ PRAGMA_CILK_SIMD, PRAGMA_GCC_PCH_PREPROCESS, PRAGMA_IVDEP, PRAGMA_FIRST_EXTERNAL } pragma_kind; /* All clauses defined by OpenMP 2.5, 3.0, 3.1 and 4.0. Used internally by both C and C++ parsers. */ typedef enum pragma_omp_clause { PRAGMA_OMP_CLAUSE_NONE = 0, PRAGMA_OMP_CLAUSE_ALIGNED, PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_COPYIN, PRAGMA_OMP_CLAUSE_COPYPRIVATE, PRAGMA_OMP_CLAUSE_DEFAULT, PRAGMA_OMP_CLAUSE_DEPEND, PRAGMA_OMP_CLAUSE_DEVICE, PRAGMA_OMP_CLAUSE_DIST_SCHEDULE, PRAGMA_OMP_CLAUSE_FINAL, PRAGMA_OMP_CLAUSE_FIRSTPRIVATE, PRAGMA_OMP_CLAUSE_FOR, PRAGMA_OMP_CLAUSE_FROM, PRAGMA_OMP_CLAUSE_IF, PRAGMA_OMP_CLAUSE_INBRANCH, PRAGMA_OMP_CLAUSE_LASTPRIVATE, PRAGMA_OMP_CLAUSE_LINEAR, PRAGMA_OMP_CLAUSE_MAP, PRAGMA_OMP_CLAUSE_MERGEABLE, PRAGMA_OMP_CLAUSE_NOTINBRANCH, PRAGMA_OMP_CLAUSE_NOWAIT, PRAGMA_OMP_CLAUSE_NUM_TEAMS, PRAGMA_OMP_CLAUSE_NUM_THREADS, PRAGMA_OMP_CLAUSE_ORDERED, PRAGMA_OMP_CLAUSE_PARALLEL, PRAGMA_OMP_CLAUSE_PRIVATE, PRAGMA_OMP_CLAUSE_PROC_BIND, PRAGMA_OMP_CLAUSE_REDUCTION, PRAGMA_OMP_CLAUSE_SAFELEN, PRAGMA_OMP_CLAUSE_SCHEDULE, PRAGMA_OMP_CLAUSE_SECTIONS, PRAGMA_OMP_CLAUSE_SHARED, PRAGMA_OMP_CLAUSE_SIMDLEN, PRAGMA_OMP_CLAUSE_TASKGROUP, PRAGMA_OMP_CLAUSE_THREAD_LIMIT, PRAGMA_OMP_CLAUSE_TO, PRAGMA_OMP_CLAUSE_UNIFORM, PRAGMA_OMP_CLAUSE_UNTIED, /* Clauses for Cilk Plus SIMD-enabled function. */ PRAGMA_CILK_CLAUSE_NOMASK, PRAGMA_CILK_CLAUSE_MASK, PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_NONE = PRAGMA_OMP_CLAUSE_NONE, PRAGMA_CILK_CLAUSE_LINEAR = PRAGMA_OMP_CLAUSE_LINEAR, PRAGMA_CILK_CLAUSE_PRIVATE = PRAGMA_OMP_CLAUSE_PRIVATE, PRAGMA_CILK_CLAUSE_FIRSTPRIVATE = PRAGMA_OMP_CLAUSE_FIRSTPRIVATE, PRAGMA_CILK_CLAUSE_LASTPRIVATE = PRAGMA_OMP_CLAUSE_LASTPRIVATE, PRAGMA_CILK_CLAUSE_REDUCTION = PRAGMA_OMP_CLAUSE_REDUCTION, PRAGMA_CILK_CLAUSE_UNIFORM = PRAGMA_OMP_CLAUSE_UNIFORM } pragma_omp_clause; extern struct cpp_reader* parse_in; /* It's safe to always leave visibility pragma enabled as if visibility is not supported on the host OS platform the statements are ignored. */ extern void push_visibility (const char *, int); extern bool pop_visibility (int); extern void init_pragma (void); /* Front-end wrappers for pragma registration. */ typedef void (*pragma_handler_1arg)(struct cpp_reader *); /* A second pragma handler, which adds a void * argument allowing to pass extra data to the handler. */ typedef void (*pragma_handler_2arg)(struct cpp_reader *, void *); /* This union allows to abstract the different handlers. */ union gen_pragma_handler { pragma_handler_1arg handler_1arg; pragma_handler_2arg handler_2arg; }; /* Internally used to keep the data of the handler. */ struct internal_pragma_handler_d { union gen_pragma_handler handler; /* Permits to know if handler is a pragma_handler_1arg (extra_data is false) or a pragma_handler_2arg (extra_data is true). */ bool extra_data; /* A data field which can be used when extra_data is true. */ void * data; }; typedef struct internal_pragma_handler_d internal_pragma_handler; extern void c_register_pragma (const char *space, const char *name, pragma_handler_1arg handler); extern void c_register_pragma_with_data (const char *space, const char *name, pragma_handler_2arg handler, void *data); extern void c_register_pragma_with_expansion (const char *space, const char *name, pragma_handler_1arg handler); extern void c_register_pragma_with_expansion_and_data (const char *space, const char *name, pragma_handler_2arg handler, void *data); extern void c_invoke_pragma_handler (unsigned int); extern void maybe_apply_pragma_weak (tree); extern void maybe_apply_pending_pragma_weaks (void); extern tree maybe_apply_renaming_pragma (tree, tree); extern void add_to_renaming_pragma_list (tree, tree); extern enum cpp_ttype pragma_lex (tree *); /* Flags for use with c_lex_with_flags. The values here were picked so that 0 means to translate and join strings. */ #define C_LEX_STRING_NO_TRANSLATE 1 /* Do not lex strings into execution character set. */ #define C_LEX_STRING_NO_JOIN 2 /* Do not concatenate strings nor translate them into execution character set. */ /* This is not actually available to pragma parsers. It's merely a convenient location to declare this function for c-lex, after having enum cpp_ttype declared. */ extern enum cpp_ttype c_lex_with_flags (tree *, location_t *, unsigned char *, int); extern void c_pp_lookup_pragma (unsigned int, const char **, const char **); extern GTY(()) tree pragma_extern_prefix; #endif /* GCC_C_PRAGMA_H */