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/* 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
<http://www.gnu.org/licenses/>. */
#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 */
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