1 /* Pragma related interfaces.
2 Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_C_PRAGMA_H
22 #define GCC_C_PRAGMA_H
24 #include "cpplib.h" /* For enum cpp_ttype. */
26 /* Pragma identifiers built in to the front end parsers. Identifiers
27 for ancillary handlers will follow these. */
28 typedef enum pragma_kind
{
39 PRAGMA_OMP_PARALLEL_FOR
,
40 PRAGMA_OMP_PARALLEL_SECTIONS
,
46 PRAGMA_OMP_THREADPRIVATE
,
48 PRAGMA_GCC_PCH_PREPROCESS
,
54 /* All clauses defined by OpenMP 2.5 and 3.0.
55 Used internally by both C and C++ parsers. */
56 typedef enum pragma_omp_clause
{
57 PRAGMA_OMP_CLAUSE_NONE
= 0,
59 PRAGMA_OMP_CLAUSE_COLLAPSE
,
60 PRAGMA_OMP_CLAUSE_COPYIN
,
61 PRAGMA_OMP_CLAUSE_COPYPRIVATE
,
62 PRAGMA_OMP_CLAUSE_DEFAULT
,
63 PRAGMA_OMP_CLAUSE_FIRSTPRIVATE
,
65 PRAGMA_OMP_CLAUSE_LASTPRIVATE
,
66 PRAGMA_OMP_CLAUSE_NOWAIT
,
67 PRAGMA_OMP_CLAUSE_NUM_THREADS
,
68 PRAGMA_OMP_CLAUSE_ORDERED
,
69 PRAGMA_OMP_CLAUSE_PRIVATE
,
70 PRAGMA_OMP_CLAUSE_REDUCTION
,
71 PRAGMA_OMP_CLAUSE_SCHEDULE
,
72 PRAGMA_OMP_CLAUSE_SHARED
,
73 PRAGMA_OMP_CLAUSE_UNTIED
76 extern struct cpp_reader
* parse_in
;
78 /* It's safe to always leave visibility pragma enabled as if
79 visibility is not supported on the host OS platform the
80 statements are ignored. */
81 extern void push_visibility (const char *, int);
82 extern bool pop_visibility (int);
84 extern void init_pragma (void);
86 /* Front-end wrappers for pragma registration. */
87 typedef void (*pragma_handler
)(struct cpp_reader
*);
88 extern void c_register_pragma (const char *, const char *, pragma_handler
);
89 extern void c_register_pragma_with_expansion (const char *, const char *,
91 extern void c_invoke_pragma_handler (unsigned int);
93 extern void maybe_apply_pragma_weak (tree
);
94 extern void maybe_apply_pending_pragma_weaks (void);
95 extern tree
maybe_apply_renaming_pragma (tree
, tree
);
96 extern void add_to_renaming_pragma_list (tree
, tree
);
98 extern enum cpp_ttype
pragma_lex (tree
*);
100 /* Flags for use with c_lex_with_flags. The values here were picked
101 so that 0 means to translate and join strings. */
102 #define C_LEX_STRING_NO_TRANSLATE 1 /* Do not lex strings into
103 execution character set. */
104 #define C_LEX_STRING_NO_JOIN 2 /* Do not concatenate strings
105 nor translate them into execution
108 /* This is not actually available to pragma parsers. It's merely a
109 convenient location to declare this function for c-lex, after
110 having enum cpp_ttype declared. */
111 extern enum cpp_ttype
c_lex_with_flags (tree
*, location_t
*, unsigned char *,
114 extern void c_pp_lookup_pragma (unsigned int, const char **, const char **);
116 #endif /* GCC_C_PRAGMA_H */