* tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
[official-gcc.git] / gcc / c-pragma.h
blob749782dd56aeef9d1c18ffd56fc1192d0a79be05
1 /* Pragma related interfaces.
2 Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
10 version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301, USA. */
22 #ifndef GCC_C_PRAGMA_H
23 #define GCC_C_PRAGMA_H
25 #include <cpplib.h> /* For enum cpp_ttype. */
27 /* Cause the `yydebug' variable to be defined. */
28 #define YYDEBUG 1
29 extern int yydebug;
31 extern struct cpp_reader* parse_in;
33 #define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
35 #ifdef HANDLE_SYSV_PRAGMA
36 /* We always support #pragma pack for SYSV pragmas. */
37 #ifndef HANDLE_PRAGMA_PACK
38 #define HANDLE_PRAGMA_PACK 1
39 #endif
40 #endif /* HANDLE_SYSV_PRAGMA */
43 #ifdef HANDLE_PRAGMA_PACK_PUSH_POP
44 /* If we are supporting #pragma pack(push... then we automatically
45 support #pragma pack(<n>) */
46 #define HANDLE_PRAGMA_PACK 1
47 #endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
49 /* It's safe to always leave visibility pragma enabled as if
50 visibility is not supported on the host OS platform the
51 statements are ignored. */
52 #define HANDLE_PRAGMA_VISIBILITY 1
54 extern void init_pragma (void);
56 /* Front-end wrappers for pragma registration to avoid dragging
57 cpplib.h in almost everywhere. */
58 extern void c_register_pragma (const char *, const char *,
59 void (*) (struct cpp_reader *));
60 extern void c_register_pragma_with_expansion (const char *, const char *,
61 void (*) (struct cpp_reader *));
62 extern void maybe_apply_pragma_weak (tree);
63 extern void maybe_apply_pending_pragma_weaks (void);
64 extern tree maybe_apply_renaming_pragma (tree, tree);
65 extern void add_to_renaming_pragma_list (tree, tree);
67 extern enum cpp_ttype c_lex (tree *);
68 extern enum cpp_ttype c_lex_with_flags (tree *, location_t *, unsigned char *);
70 /* If 1, then lex strings into the execution character set.
71 If 0, lex strings into the host character set.
72 If -1, lex both, and chain them together, such that the former
73 is the TREE_CHAIN of the latter. */
74 extern int c_lex_string_translate;
76 /* If true, strings should be passed to the caller of c_lex completely
77 unmolested (no concatenation, no translation). */
78 extern bool c_lex_return_raw_strings;
80 #endif /* GCC_C_PRAGMA_H */