source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/tools/avr/lib/gcc/avr/4.9.2/plugin/include/c-family/c-pragma.h @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 2 years ago

Adding new version

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1/* Pragma related interfaces.
2   Copyright (C) 1995-2014 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_C_PRAGMA_H
21#define GCC_C_PRAGMA_H
22
23#include "cpplib.h" /* For enum cpp_ttype.  */
24
25/* Pragma identifiers built in to the front end parsers.  Identifiers
26   for ancillary handlers will follow these.  */
27typedef enum pragma_kind {
28  PRAGMA_NONE = 0,
29
30  PRAGMA_OMP_ATOMIC,
31  PRAGMA_OMP_BARRIER,
32  PRAGMA_OMP_CANCEL,
33  PRAGMA_OMP_CANCELLATION_POINT,
34  PRAGMA_OMP_CRITICAL,
35  PRAGMA_OMP_DECLARE_REDUCTION,
36  PRAGMA_OMP_DISTRIBUTE,
37  PRAGMA_OMP_END_DECLARE_TARGET,
38  PRAGMA_OMP_FLUSH,
39  PRAGMA_OMP_FOR,
40  PRAGMA_OMP_MASTER,
41  PRAGMA_OMP_ORDERED,
42  PRAGMA_OMP_PARALLEL,
43  PRAGMA_OMP_SECTION,
44  PRAGMA_OMP_SECTIONS,
45  PRAGMA_OMP_SIMD,
46  PRAGMA_OMP_SINGLE,
47  PRAGMA_OMP_TARGET,
48  PRAGMA_OMP_TASK,
49  PRAGMA_OMP_TASKGROUP,
50  PRAGMA_OMP_TASKWAIT,
51  PRAGMA_OMP_TASKYIELD,
52  PRAGMA_OMP_THREADPRIVATE,
53  PRAGMA_OMP_TEAMS,
54
55  /* Top level clause to handle all Cilk Plus pragma simd clauses.  */
56  PRAGMA_CILK_SIMD,
57
58  PRAGMA_GCC_PCH_PREPROCESS,
59  PRAGMA_IVDEP,
60
61  PRAGMA_FIRST_EXTERNAL
62} pragma_kind;
63
64
65/* All clauses defined by OpenMP 2.5, 3.0, 3.1 and 4.0.
66   Used internally by both C and C++ parsers.  */
67typedef enum pragma_omp_clause {
68  PRAGMA_OMP_CLAUSE_NONE = 0,
69
70  PRAGMA_OMP_CLAUSE_ALIGNED,
71  PRAGMA_OMP_CLAUSE_COLLAPSE,
72  PRAGMA_OMP_CLAUSE_COPYIN,
73  PRAGMA_OMP_CLAUSE_COPYPRIVATE,
74  PRAGMA_OMP_CLAUSE_DEFAULT,
75  PRAGMA_OMP_CLAUSE_DEPEND,
76  PRAGMA_OMP_CLAUSE_DEVICE,
77  PRAGMA_OMP_CLAUSE_DIST_SCHEDULE,
78  PRAGMA_OMP_CLAUSE_FINAL,
79  PRAGMA_OMP_CLAUSE_FIRSTPRIVATE,
80  PRAGMA_OMP_CLAUSE_FOR,
81  PRAGMA_OMP_CLAUSE_FROM,
82  PRAGMA_OMP_CLAUSE_IF,
83  PRAGMA_OMP_CLAUSE_INBRANCH,
84  PRAGMA_OMP_CLAUSE_LASTPRIVATE,
85  PRAGMA_OMP_CLAUSE_LINEAR,
86  PRAGMA_OMP_CLAUSE_MAP,
87  PRAGMA_OMP_CLAUSE_MERGEABLE,
88  PRAGMA_OMP_CLAUSE_NOTINBRANCH,
89  PRAGMA_OMP_CLAUSE_NOWAIT,
90  PRAGMA_OMP_CLAUSE_NUM_TEAMS,
91  PRAGMA_OMP_CLAUSE_NUM_THREADS,
92  PRAGMA_OMP_CLAUSE_ORDERED,
93  PRAGMA_OMP_CLAUSE_PARALLEL,
94  PRAGMA_OMP_CLAUSE_PRIVATE,
95  PRAGMA_OMP_CLAUSE_PROC_BIND,
96  PRAGMA_OMP_CLAUSE_REDUCTION,
97  PRAGMA_OMP_CLAUSE_SAFELEN,
98  PRAGMA_OMP_CLAUSE_SCHEDULE,
99  PRAGMA_OMP_CLAUSE_SECTIONS,
100  PRAGMA_OMP_CLAUSE_SHARED,
101  PRAGMA_OMP_CLAUSE_SIMDLEN,
102  PRAGMA_OMP_CLAUSE_TASKGROUP,
103  PRAGMA_OMP_CLAUSE_THREAD_LIMIT,
104  PRAGMA_OMP_CLAUSE_TO,
105  PRAGMA_OMP_CLAUSE_UNIFORM,
106  PRAGMA_OMP_CLAUSE_UNTIED,
107 
108  /* Clauses for Cilk Plus SIMD-enabled function.  */
109  PRAGMA_CILK_CLAUSE_NOMASK,
110  PRAGMA_CILK_CLAUSE_MASK,
111  PRAGMA_CILK_CLAUSE_VECTORLENGTH,
112  PRAGMA_CILK_CLAUSE_NONE = PRAGMA_OMP_CLAUSE_NONE,
113  PRAGMA_CILK_CLAUSE_LINEAR = PRAGMA_OMP_CLAUSE_LINEAR,
114  PRAGMA_CILK_CLAUSE_PRIVATE = PRAGMA_OMP_CLAUSE_PRIVATE,
115  PRAGMA_CILK_CLAUSE_FIRSTPRIVATE = PRAGMA_OMP_CLAUSE_FIRSTPRIVATE,
116  PRAGMA_CILK_CLAUSE_LASTPRIVATE = PRAGMA_OMP_CLAUSE_LASTPRIVATE,
117  PRAGMA_CILK_CLAUSE_REDUCTION = PRAGMA_OMP_CLAUSE_REDUCTION,
118  PRAGMA_CILK_CLAUSE_UNIFORM = PRAGMA_OMP_CLAUSE_UNIFORM
119} pragma_omp_clause;
120
121extern struct cpp_reader* parse_in;
122
123/* It's safe to always leave visibility pragma enabled as if
124   visibility is not supported on the host OS platform the
125   statements are ignored.  */
126extern void push_visibility (const char *, int);
127extern bool pop_visibility (int);
128
129extern void init_pragma (void);
130
131/* Front-end wrappers for pragma registration.  */
132typedef void (*pragma_handler_1arg)(struct cpp_reader *);
133/* A second pragma handler, which adds a void * argument allowing to pass extra
134   data to the handler.  */
135typedef void (*pragma_handler_2arg)(struct cpp_reader *, void *);
136
137/* This union allows to abstract the different handlers.  */
138union gen_pragma_handler {
139  pragma_handler_1arg handler_1arg;
140  pragma_handler_2arg handler_2arg;
141};
142/* Internally used to keep the data of the handler.  */
143struct internal_pragma_handler_d {
144  union gen_pragma_handler handler;
145  /* Permits to know if handler is a pragma_handler_1arg (extra_data is false)
146     or a pragma_handler_2arg (extra_data is true).  */
147  bool extra_data;
148  /* A data field which can be used when extra_data is true.  */
149  void * data;
150};
151typedef struct internal_pragma_handler_d internal_pragma_handler;
152
153extern void c_register_pragma (const char *space, const char *name,
154                               pragma_handler_1arg handler);
155extern void c_register_pragma_with_data (const char *space, const char *name,
156                                         pragma_handler_2arg handler,
157                                         void *data);
158
159extern void c_register_pragma_with_expansion (const char *space,
160                                              const char *name,
161                                              pragma_handler_1arg handler);
162extern void c_register_pragma_with_expansion_and_data (const char *space,
163                                                       const char *name,
164                                                   pragma_handler_2arg handler,
165                                                       void *data);
166extern void c_invoke_pragma_handler (unsigned int);
167
168extern void maybe_apply_pragma_weak (tree);
169extern void maybe_apply_pending_pragma_weaks (void);
170extern tree maybe_apply_renaming_pragma (tree, tree);
171extern void add_to_renaming_pragma_list (tree, tree);
172
173extern enum cpp_ttype pragma_lex (tree *);
174
175/* Flags for use with c_lex_with_flags.  The values here were picked
176   so that 0 means to translate and join strings.  */
177#define C_LEX_STRING_NO_TRANSLATE 1 /* Do not lex strings into
178                                       execution character set.  */
179#define C_LEX_STRING_NO_JOIN      2 /* Do not concatenate strings
180                                       nor translate them into execution
181                                       character set.  */
182
183/* This is not actually available to pragma parsers.  It's merely a
184   convenient location to declare this function for c-lex, after
185   having enum cpp_ttype declared.  */
186extern enum cpp_ttype c_lex_with_flags (tree *, location_t *, unsigned char *,
187                                        int);
188
189extern void c_pp_lookup_pragma (unsigned int, const char **, const char **);
190
191extern GTY(()) tree pragma_extern_prefix;
192
193#endif /* GCC_C_PRAGMA_H */
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