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/* Pragma related interfaces.
Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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 2, 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 COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#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 anciliary handlers will follow these. */
typedef enum pragma_kind {
PRAGMA_NONE = 0,
PRAGMA_OMP_ATOMIC,
PRAGMA_OMP_BARRIER,
PRAGMA_OMP_CRITICAL,
PRAGMA_OMP_FLUSH,
PRAGMA_OMP_FOR,
PRAGMA_OMP_MASTER,
PRAGMA_OMP_ORDERED,
PRAGMA_OMP_PARALLEL,
PRAGMA_OMP_PARALLEL_FOR,
PRAGMA_OMP_PARALLEL_SECTIONS,
PRAGMA_OMP_SECTION,
PRAGMA_OMP_SECTIONS,
PRAGMA_OMP_SINGLE,
PRAGMA_OMP_THREADPRIVATE,
PRAGMA_GCC_PCH_PREPROCESS,
PRAGMA_FIRST_EXTERNAL
} pragma_kind;
/* Cause the `yydebug' variable to be defined. */
#define YYDEBUG 1
extern int yydebug;
extern struct cpp_reader* parse_in;
#define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
#ifdef HANDLE_SYSV_PRAGMA
/* We always support #pragma pack for SYSV pragmas. */
#ifndef HANDLE_PRAGMA_PACK
#define HANDLE_PRAGMA_PACK 1
#endif
#endif /* HANDLE_SYSV_PRAGMA */
#ifdef HANDLE_PRAGMA_PACK_PUSH_POP
/* If we are supporting #pragma pack(push... then we automatically
support #pragma pack(<n>) */
#define HANDLE_PRAGMA_PACK 1
#endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
/* It's safe to always leave visibility pragma enabled as if
visibility is not supported on the host OS platform the
statements are ignored. */
#define HANDLE_PRAGMA_VISIBILITY 1
extern void init_pragma (void);
/* Front-end wrappers for pragma registration. */
typedef void (*pragma_handler)(struct cpp_reader *);
extern void c_register_pragma (const char *, const char *, pragma_handler);
extern void c_register_pragma_with_expansion (const char *, const char *,
pragma_handler);
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 *);
/* 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 *);
/* If 1, then lex strings into the execution character set.
If 0, lex strings into the host character set.
If -1, lex both, and chain them together, such that the former
is the TREE_CHAIN of the latter. */
extern int c_lex_string_translate;
/* If true, strings should be passed to the caller of c_lex completely
unmolested (no concatenation, no translation). */
extern bool c_lex_return_raw_strings;
#endif /* GCC_C_PRAGMA_H */
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