2006-01-16 Richard Guenther <rguenther@suse.de>

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

diff --git a/gcc/c-pragma.h b/gcc/c-pragma.h
index 7911c5a..9876555 100644 (file)
--- a/gcc/c-pragma.h
+++ b/gcc/c-pragma.h
@@ -1,5 +1,5 @@
 /* Pragma related interfaces.
-   Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -16,25 +16,33 @@ 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.  */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 #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 anciliary handlers will follow these.  */
+typedef enum pragma_kind {
+  PRAGMA_NONE = 0,
+
+  PRAGMA_GCC_PCH_PREPROCESS,
+
+  PRAGMA_FIRST_EXTERNAL
+} pragma_kind;
+
 /* Cause the `yydebug' variable to be defined.  */
 #define YYDEBUG 1
 extern int yydebug;
 
-struct cpp_reader;
 extern struct cpp_reader* parse_in;
 
-#ifdef HANDLE_SYSV_PRAGMA
-#if ((defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_WEAK_ALIAS)) \
-     || defined (ASM_WEAKEN_DECL))
 #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
@@ -48,22 +56,40 @@ extern struct cpp_reader* parse_in;
 #define HANDLE_PRAGMA_PACK 1
 #endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
 
-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 *))));
-#endif
-
-extern void maybe_apply_pragma_weak PARAMS ((tree));
-extern tree maybe_apply_renaming_pragma PARAMS ((tree, tree));
-extern void add_to_renaming_pragma_list PARAMS ((tree, tree));
-
-extern int c_lex PARAMS ((tree *));
+/* 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 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 *);
+
+/* 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 *);
+
+/* If 1, then lex strings into the execution character set.  
+   If 0, lex strings into the host character set.
+   If -1, lex both, and chain them together, such that the former
+   is the TREE_CHAIN of the latter.  */
+extern int c_lex_string_translate;
+
+/* If true, strings should be passed to the caller of c_lex completely
+   unmolested (no concatenation, no translation).  */
+extern bool c_lex_return_raw_strings;
 
 #endif /* GCC_C_PRAGMA_H */