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/* Pragma related interfaces.
Copyright (C) 1995-2024 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. */
enum pragma_kind {
PRAGMA_NONE = 0,
PRAGMA_OACC_ATOMIC,
PRAGMA_OACC_CACHE,
PRAGMA_OACC_DATA,
PRAGMA_OACC_DECLARE,
PRAGMA_OACC_ENTER_DATA,
PRAGMA_OACC_EXIT_DATA,
PRAGMA_OACC_HOST_DATA,
PRAGMA_OACC_KERNELS,
PRAGMA_OACC_LOOP,
PRAGMA_OACC_PARALLEL,
PRAGMA_OACC_ROUTINE,
PRAGMA_OACC_SERIAL,
PRAGMA_OACC_UPDATE,
PRAGMA_OACC_WAIT,
/* PRAGMA_OMP__START_ should be equal to the first PRAGMA_OMP_* code. */
PRAGMA_OMP_ALLOCATE,
PRAGMA_OMP__START_ = PRAGMA_OMP_ALLOCATE,
PRAGMA_OMP_ASSUME,
PRAGMA_OMP_ASSUMES,
PRAGMA_OMP_ATOMIC,
PRAGMA_OMP_BARRIER,
PRAGMA_OMP_BEGIN,
PRAGMA_OMP_CANCEL,
PRAGMA_OMP_CANCELLATION_POINT,
PRAGMA_OMP_CRITICAL,
PRAGMA_OMP_DECLARE,
PRAGMA_OMP_DEPOBJ,
PRAGMA_OMP_DISPATCH,
PRAGMA_OMP_DISTRIBUTE,
PRAGMA_OMP_ERROR,
PRAGMA_OMP_END,
PRAGMA_OMP_FLUSH,
PRAGMA_OMP_FOR,
PRAGMA_OMP_INTEROP,
PRAGMA_OMP_LOOP,
PRAGMA_OMP_NOTHING,
PRAGMA_OMP_MASKED,
PRAGMA_OMP_MASTER,
PRAGMA_OMP_ORDERED,
PRAGMA_OMP_PARALLEL,
PRAGMA_OMP_REQUIRES,
PRAGMA_OMP_SCAN,
PRAGMA_OMP_SCOPE,
PRAGMA_OMP_SECTION,
PRAGMA_OMP_SECTIONS,
PRAGMA_OMP_SIMD,
PRAGMA_OMP_SINGLE,
PRAGMA_OMP_TARGET,
PRAGMA_OMP_TASK,
PRAGMA_OMP_TASKGROUP,
PRAGMA_OMP_TASKLOOP,
PRAGMA_OMP_TASKWAIT,
PRAGMA_OMP_TASKYIELD,
PRAGMA_OMP_THREADPRIVATE,
PRAGMA_OMP_TEAMS,
PRAGMA_OMP_TILE,
PRAGMA_OMP_UNROLL,
/* PRAGMA_OMP__LAST_ should be equal to the last PRAGMA_OMP_* code. */
PRAGMA_OMP__LAST_ = PRAGMA_OMP_UNROLL,
PRAGMA_GCC_PCH_PREPROCESS,
PRAGMA_IVDEP,
PRAGMA_UNROLL,
PRAGMA_NOVECTOR,
PRAGMA_FIRST_EXTERNAL
};
/* All clauses defined by OpenACC 2.0, and OpenMP 2.5, 3.0, 3.1, 4.0, 4.5, 5.0,
5.1 and 5.2. Used internally by both C and C++ parsers. */
enum pragma_omp_clause {
PRAGMA_OMP_CLAUSE_NONE = 0,
PRAGMA_OMP_CLAUSE_AFFINITY,
PRAGMA_OMP_CLAUSE_ALIGNED,
PRAGMA_OMP_CLAUSE_ALLOCATE,
PRAGMA_OMP_CLAUSE_BIND,
PRAGMA_OMP_CLAUSE_COLLAPSE,
PRAGMA_OMP_CLAUSE_COPYIN,
PRAGMA_OMP_CLAUSE_COPYPRIVATE,
PRAGMA_OMP_CLAUSE_DEFAULT,
PRAGMA_OMP_CLAUSE_DEFAULTMAP,
PRAGMA_OMP_CLAUSE_DEPEND,
PRAGMA_OMP_CLAUSE_DESTROY,
PRAGMA_OMP_CLAUSE_DETACH,
PRAGMA_OMP_CLAUSE_DEVICE,
PRAGMA_OMP_CLAUSE_DEVICE_TYPE,
PRAGMA_OMP_CLAUSE_DIST_SCHEDULE,
PRAGMA_OMP_CLAUSE_DOACROSS,
PRAGMA_OMP_CLAUSE_ENTER,
PRAGMA_OMP_CLAUSE_FILTER,
PRAGMA_OMP_CLAUSE_FINAL,
PRAGMA_OMP_CLAUSE_FIRSTPRIVATE,
PRAGMA_OMP_CLAUSE_FOR,
PRAGMA_OMP_CLAUSE_FROM,
PRAGMA_OMP_CLAUSE_FULL,
PRAGMA_OMP_CLAUSE_GRAINSIZE,
PRAGMA_OMP_CLAUSE_HAS_DEVICE_ADDR,
PRAGMA_OMP_CLAUSE_HINT,
PRAGMA_OMP_CLAUSE_IF,
PRAGMA_OMP_CLAUSE_IN_REDUCTION,
PRAGMA_OMP_CLAUSE_INBRANCH,
PRAGMA_OMP_CLAUSE_INDIRECT,
PRAGMA_OMP_CLAUSE_INIT,
PRAGMA_OMP_CLAUSE_IS_DEVICE_PTR,
PRAGMA_OMP_CLAUSE_INTEROP,
PRAGMA_OMP_CLAUSE_LASTPRIVATE,
PRAGMA_OMP_CLAUSE_LINEAR,
PRAGMA_OMP_CLAUSE_LINK,
PRAGMA_OMP_CLAUSE_MAP,
PRAGMA_OMP_CLAUSE_MERGEABLE,
PRAGMA_OMP_CLAUSE_NOCONTEXT,
PRAGMA_OMP_CLAUSE_NOGROUP,
PRAGMA_OMP_CLAUSE_NONTEMPORAL,
PRAGMA_OMP_CLAUSE_NOTINBRANCH,
PRAGMA_OMP_CLAUSE_NOVARIANTS,
PRAGMA_OMP_CLAUSE_NOWAIT,
PRAGMA_OMP_CLAUSE_NUM_TASKS,
PRAGMA_OMP_CLAUSE_NUM_TEAMS,
PRAGMA_OMP_CLAUSE_NUM_THREADS,
PRAGMA_OMP_CLAUSE_ORDER,
PRAGMA_OMP_CLAUSE_ORDERED,
PRAGMA_OMP_CLAUSE_PARALLEL,
PRAGMA_OMP_CLAUSE_PARTIAL,
PRAGMA_OMP_CLAUSE_PRIORITY,
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_SIMD,
PRAGMA_OMP_CLAUSE_SIMDLEN,
PRAGMA_OMP_CLAUSE_TASK_REDUCTION,
PRAGMA_OMP_CLAUSE_TASKGROUP,
PRAGMA_OMP_CLAUSE_THREAD_LIMIT,
PRAGMA_OMP_CLAUSE_THREADS,
PRAGMA_OMP_CLAUSE_TO,
PRAGMA_OMP_CLAUSE_UNIFORM,
PRAGMA_OMP_CLAUSE_UNTIED,
PRAGMA_OMP_CLAUSE_USE,
PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR,
PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR,
/* Clauses for OpenACC. */
PRAGMA_OACC_CLAUSE_ASYNC,
PRAGMA_OACC_CLAUSE_ATTACH,
PRAGMA_OACC_CLAUSE_AUTO,
PRAGMA_OACC_CLAUSE_COPY,
PRAGMA_OACC_CLAUSE_COPYOUT,
PRAGMA_OACC_CLAUSE_CREATE,
PRAGMA_OACC_CLAUSE_DELETE,
PRAGMA_OACC_CLAUSE_DEVICEPTR,
PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT,
PRAGMA_OACC_CLAUSE_FINALIZE,
PRAGMA_OACC_CLAUSE_GANG,
PRAGMA_OACC_CLAUSE_HOST,
PRAGMA_OACC_CLAUSE_INDEPENDENT,
PRAGMA_OACC_CLAUSE_NO_CREATE,
PRAGMA_OACC_CLAUSE_NOHOST,
PRAGMA_OACC_CLAUSE_NUM_GANGS,
PRAGMA_OACC_CLAUSE_NUM_WORKERS,
PRAGMA_OACC_CLAUSE_PRESENT,
PRAGMA_OACC_CLAUSE_SELF,
PRAGMA_OACC_CLAUSE_SEQ,
PRAGMA_OACC_CLAUSE_TILE,
PRAGMA_OACC_CLAUSE_VECTOR,
PRAGMA_OACC_CLAUSE_VECTOR_LENGTH,
PRAGMA_OACC_CLAUSE_WAIT,
PRAGMA_OACC_CLAUSE_WORKER,
PRAGMA_OACC_CLAUSE_IF_PRESENT,
PRAGMA_OACC_CLAUSE_COLLAPSE = PRAGMA_OMP_CLAUSE_COLLAPSE,
PRAGMA_OACC_CLAUSE_COPYIN = PRAGMA_OMP_CLAUSE_COPYIN,
PRAGMA_OACC_CLAUSE_DEVICE = PRAGMA_OMP_CLAUSE_DEVICE,
PRAGMA_OACC_CLAUSE_DEFAULT = PRAGMA_OMP_CLAUSE_DEFAULT,
PRAGMA_OACC_CLAUSE_DETACH = PRAGMA_OMP_CLAUSE_DETACH,
PRAGMA_OACC_CLAUSE_FIRSTPRIVATE = PRAGMA_OMP_CLAUSE_FIRSTPRIVATE,
PRAGMA_OACC_CLAUSE_IF = PRAGMA_OMP_CLAUSE_IF,
PRAGMA_OACC_CLAUSE_PRIVATE = PRAGMA_OMP_CLAUSE_PRIVATE,
PRAGMA_OACC_CLAUSE_REDUCTION = PRAGMA_OMP_CLAUSE_REDUCTION,
PRAGMA_OACC_CLAUSE_LINK = PRAGMA_OMP_CLAUSE_LINK,
PRAGMA_OACC_CLAUSE_USE_DEVICE = PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR
};
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 {
union gen_pragma_handler handler, early_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;
};
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);
/* Early pragma handlers run in addition to the normal ones. They can be used
by frontends such as C++ that may want to process some pragmas during lexing
before they start processing them. */
extern void
c_register_pragma_with_early_handler (const char *space, const char *name,
pragma_handler_1arg handler,
pragma_handler_1arg early_handler);
extern void c_invoke_early_pragma_handler (unsigned int);
extern void c_pp_invoke_early_pragma_handler (unsigned int);
extern void c_reset_target_pragmas ();
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 maybe_apply_pragma_scalar_storage_order (tree);
extern void add_to_renaming_pragma_list (tree, tree);
/* These are to be implemented in each frontend that needs them. */
extern enum cpp_ttype pragma_lex (tree *, location_t *loc = NULL);
extern void pragma_lex_discard_to_eol ();
/* 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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