c-lang.c revision 90075 
1/* Language-specific hook definitions for C front end.
2   Copyright (C) 1991, 1995, 1997, 1998,
3   1999, 2000, 2001 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 2, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to the Free
19Software Foundation, 59 Temple Place - Suite 330, Boston, MA
2002111-1307, USA.  */
21
22
23#include "config.h"
24#include "system.h"
25#include "tree.h"
26#include "c-tree.h"
27#include "langhooks.h"
28#include "langhooks-def.h"
29
30static const char *c_init PARAMS ((const char *));
31static void c_init_options PARAMS ((void));
32static void c_post_options PARAMS ((void));
33
34/* ### When changing hooks, consider if ObjC needs changing too!! ### */
35
36#undef LANG_HOOKS_NAME
37#define LANG_HOOKS_NAME "GNU C"
38#undef LANG_HOOKS_INIT
39#define LANG_HOOKS_INIT c_init
40#undef LANG_HOOKS_FINISH
41#define LANG_HOOKS_FINISH c_common_finish
42#undef LANG_HOOKS_INIT_OPTIONS
43#define LANG_HOOKS_INIT_OPTIONS c_init_options
44#undef LANG_HOOKS_DECODE_OPTION
45#define LANG_HOOKS_DECODE_OPTION c_decode_option
46#undef LANG_HOOKS_POST_OPTIONS
47#define LANG_HOOKS_POST_OPTIONS c_post_options
48#undef LANG_HOOKS_GET_ALIAS_SET
49#define LANG_HOOKS_GET_ALIAS_SET c_common_get_alias_set
50#undef LANG_HOOKS_SAFE_FROM_P
51#define LANG_HOOKS_SAFE_FROM_P c_safe_from_p
52#undef LANG_HOOKS_STATICP
53#define LANG_HOOKS_STATICP c_staticp
54#undef LANG_HOOKS_PRINT_IDENTIFIER
55#define LANG_HOOKS_PRINT_IDENTIFIER c_print_identifier
56#undef LANG_HOOKS_SET_YYDEBUG
57#define LANG_HOOKS_SET_YYDEBUG c_set_yydebug
58
59#undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
60#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
61  c_cannot_inline_tree_fn
62#undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
63#define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
64  c_disregard_inline_limits
65#undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
66#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
67  anon_aggr_type_p
68
69/* ### When changing hooks, consider if ObjC needs changing too!! ### */
70
71/* Each front end provides its own.  */
72const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
73
74/* Post-switch processing.  */
75static void
76c_post_options ()
77{
78  c_common_post_options ();
79}
80
81static void
82c_init_options ()
83{
84  c_common_init_options (clk_c);
85}
86
87static const char *
88c_init (filename)
89     const char *filename;
90{
91  return c_objc_common_init (filename);
92}
93
94/* Used by c-lex.c, but only for objc.  */
95
96tree
97lookup_interface (arg)
98     tree arg ATTRIBUTE_UNUSED;
99{
100  return 0;
101}
102
103tree
104is_class_name (arg)
105    tree arg ATTRIBUTE_UNUSED;
106{
107  return 0;
108}
109
110void
111maybe_objc_check_decl (decl)
112     tree decl ATTRIBUTE_UNUSED;
113{
114}
115
116int
117maybe_objc_comptypes (lhs, rhs, reflexive)
118     tree lhs ATTRIBUTE_UNUSED;
119     tree rhs ATTRIBUTE_UNUSED;
120     int reflexive ATTRIBUTE_UNUSED;
121{
122  return -1;
123}
124
125tree
126maybe_building_objc_message_expr ()
127{
128  return 0;
129}
130
131int
132recognize_objc_keyword ()
133{
134  return 0;
135}
136
137/* Used by c-typeck.c (build_external_ref), but only for objc.  */
138
139tree
140lookup_objc_ivar (id)
141     tree id ATTRIBUTE_UNUSED;
142{
143  return 0;
144}
145
146void
147finish_file ()
148{
149  c_objc_common_finish_file ();
150}
151