/* Pragma related interfaces.
- Copyright (C) 1995 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ 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 2, 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+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. */
+
+#ifndef GCC_C_PRAGMA_H
+#define GCC_C_PRAGMA_H
+
+#include <cpplib.h> /* For enum cpp_ttype. */
+
+/* Cause the `yydebug' variable to be defined. */
+#define YYDEBUG 1
+extern int yydebug;
+
+extern struct cpp_reader* parse_in;
-/* 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
+
+#ifdef HANDLE_SYSV_PRAGMA
+/* We always support #pragma pack for SYSV pragmas. */
+#ifndef HANDLE_PRAGMA_PACK
+#define HANDLE_PRAGMA_PACK 1
#endif
+#endif /* HANDLE_SYSV_PRAGMA */
+
+
+#ifdef HANDLE_PRAGMA_PACK_PUSH_POP
+/* If we are supporting #pragma pack(push... then we automatically
+ support #pragma pack(<n>) */
+#define HANDLE_PRAGMA_PACK 1
+#endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
+
+/* 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 to avoid dragging
+ cpplib.h in almost everywhere. */
+extern void c_register_pragma (const char *, const char *,
+ void (*) (struct cpp_reader *));
+extern void c_register_pragma_with_expansion (const char *, const char *,
+ void (*) (struct cpp_reader *));
+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 c_lex (tree *);
+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;
-enum pragma_state
-{
- ps_start,
- ps_done,
- ps_bad,
- ps_weak,
- ps_name,
- ps_equals,
- ps_value,
- ps_pack,
- ps_left,
- ps_align,
- ps_right
-};
-
-/* Output asm to handle ``#pragma weak'' */
-extern void handle_pragma_weak PROTO((enum pragma_state, char *, char *));
-
-/* Handle a C style pragma */
-extern void handle_pragma_token PROTO((char *, tree));
+#endif /* GCC_C_PRAGMA_H */
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