PR middle-end/42344

[pf3gnuchains/gcc-fork.git] / gcc / c-pragma.h

diff --git a/gcc/c-pragma.h b/gcc/c-pragma.h
index 929162c..eab23db 100644 (file)
--- a/gcc/c-pragma.h
+++ b/gcc/c-pragma.h
@@ -1,11 +1,12 @@
 /* Pragma related interfaces.
 /* Pragma related interfaces.

-   Copyright (C) 1995, 1998, 1999, 2000, 2001 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 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
 
 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
+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
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY


@@ -14,20 +15,69 @@ 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
 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, 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
 
 
 #ifndef GCC_C_PRAGMA_H
 #define GCC_C_PRAGMA_H
 

-#ifdef HANDLE_SYSV_PRAGMA
-/* Support #pragma weak iff ASM_WEAKEN_LABEL and ASM_OUTPUT_WEAK_ALIAS are
-   defined.  */
-#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_WEAK_ALIAS)
+#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
 #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
 /* We always support #pragma pack for SYSV pragmas.  */
 #ifndef HANDLE_PRAGMA_PACK
 #define HANDLE_PRAGMA_PACK 1


@@ -41,33 +91,43 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define HANDLE_PRAGMA_PACK 1
 #endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
 
 #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 */
-
-extern void init_pragma PARAMS ((void));
-
-/* Duplicate prototypes for the register_pragma stuff and the typedef for
-   cpp_reader, to avoid dragging cpplib.h in almost everywhere... */
-#ifndef GCC_CPPLIB_H
-typedef struct cpp_reader cpp_reader;
-
-extern void cpp_register_pragma PARAMS ((cpp_reader *,
-                                        const char *, const char *,
-                                        void (*) PARAMS ((cpp_reader *))));
-extern void cpp_register_pragma_space PARAMS ((cpp_reader *, const char *));
-#endif
+/* 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 */
 
 #endif /* GCC_C_PRAGMA_H */