/* Pragma related interfaces.
- Copyright (C) 1995, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2007, 2008 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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 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.
-GNU CC 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.
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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;
-#ifndef _C_PRAGMA_H
-#define _C_PRAGMA_H
-
-#ifdef HANDLE_SYSV_PRAGMA
-/* Support #pragma weak iff ASM_WEAKEN_LABEL and ASM_OUTPUT_DEF are
- defined. */
-#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
#define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
-#endif
+#ifdef HANDLE_SYSV_PRAGMA
/* We always support #pragma pack for SYSV pragmas. */
#ifndef HANDLE_PRAGMA_PACK
#define HANDLE_PRAGMA_PACK 1
#define HANDLE_PRAGMA_PACK 1
#endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
-
-#ifdef HANDLE_PRAGMA_WEAK
-/* This structure contains any weak symbol declarations waiting to be emitted. */
-struct weak_syms
-{
- struct weak_syms * next;
- const char * name;
- const char * value;
-};
-
-/* Declared in varasm.c */
-extern struct weak_syms * weak_decls;
-
-extern int add_weak PARAMS ((const char *, const char *));
-#endif /* HANDLE_PRAGMA_WEAK */
-
-
-/* Define HANDLE_GENERIC_PRAGMAS if any kind of front-end pragma
- parsing is to be done. The code in GCC's generic C source files
- will only look for the definition of this constant. They will
- ignore definitions of HANDLE_PRAGMA_PACK and so on.
- With #pragma poison, this is always set. */
-#define HANDLE_GENERIC_PRAGMAS 1
-
-
-#ifdef HANDLE_GENERIC_PRAGMAS
-enum pragma_state
-{
- ps_start,
- ps_done,
-#ifdef HANDLE_PRAGMA_WEAK
- ps_weak,
- ps_name,
- ps_equals,
- ps_value,
-#endif
-#ifdef HANDLE_PRAGMA_PACK
- ps_pack,
- ps_left,
- ps_align,
- ps_right,
-#endif
-#ifdef HANDLE_PRAGMA_PACK_PUSH_POP
- ps_push, ps_pushcomma, ps_pushid, ps_pushcomma2,
- ps_pop, ps_popcomma,
-#endif
- ps_poison,
- ps_bad
-};
-
-/* Handle a C style pragma */
-extern int handle_pragma_token PARAMS ((const char *, tree));
-
-#endif /* HANDLE_GENERIC_PRAGMAS */
-
-extern void init_pragma PARAMS ((void));
-
-#endif /* _C_PRAGMA_H */
+/* 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 *);
+extern void pop_visibility (void);
+
+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_RAW_STRINGS 2 /* Return raw strings -- no
+ concatenation, no
+ translation. */
+
+/* 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 */