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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [c-pragma.h] - Rev 847

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/* Pragma related interfaces.
   Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   2007, 2008  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_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_TASK,
  PRAGMA_OMP_TASKWAIT,
  PRAGMA_OMP_THREADPRIVATE,
 
  PRAGMA_GCC_PCH_PREPROCESS,
 
  PRAGMA_FIRST_EXTERNAL
} pragma_kind;
 
 
/* All clauses defined by OpenMP 2.5 and 3.0.
   Used internally by both C and C++ parsers.  */
typedef enum pragma_omp_clause {
  PRAGMA_OMP_CLAUSE_NONE = 0,
 
  PRAGMA_OMP_CLAUSE_COLLAPSE,
  PRAGMA_OMP_CLAUSE_COPYIN,
  PRAGMA_OMP_CLAUSE_COPYPRIVATE,
  PRAGMA_OMP_CLAUSE_DEFAULT,
  PRAGMA_OMP_CLAUSE_FIRSTPRIVATE,
  PRAGMA_OMP_CLAUSE_IF,
  PRAGMA_OMP_CLAUSE_LASTPRIVATE,
  PRAGMA_OMP_CLAUSE_NOWAIT,
  PRAGMA_OMP_CLAUSE_NUM_THREADS,
  PRAGMA_OMP_CLAUSE_ORDERED,
  PRAGMA_OMP_CLAUSE_PRIVATE,
  PRAGMA_OMP_CLAUSE_REDUCTION,
  PRAGMA_OMP_CLAUSE_SCHEDULE,
  PRAGMA_OMP_CLAUSE_SHARED,
  PRAGMA_OMP_CLAUSE_UNTIED
} pragma_omp_clause;
 
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 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)(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 *);
 
/* 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 **);
 
#endif /* GCC_C_PRAGMA_H */
 

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