Fix to expose more LIM when creating mem_ref
[official-gcc.git] / gcc / objcp / objcp-lang.c
blob70a605bb87e35dfd2d19171361e356f319454d72
1 /* Language-dependent hooks for Objective-C++.
2 Copyright 2005, 2007, 2008 Free Software Foundation, Inc.
3 Contributed by Ziemowit Laski <zlaski@apple.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "tm.h"
26 #include "tree.h"
27 #include "cp-tree.h"
28 #include "c-family/c-common.h"
29 #include "objc-act.h"
30 #include "langhooks.h"
31 #include "langhooks-def.h"
32 #include "cp-objcp-common.h"
34 enum c_language_kind c_language = clk_objcxx;
35 static void objcxx_init_ts (void);
36 static tree objcxx_eh_personality (void);
38 /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
39 consequently, there should be very few hooks below. */
41 #undef LANG_HOOKS_NAME
42 #define LANG_HOOKS_NAME "GNU Objective-C++"
43 #undef LANG_HOOKS_INIT
44 #define LANG_HOOKS_INIT objc_init
45 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
46 #define LANG_HOOKS_DECL_PRINTABLE_NAME objc_printable_name
47 #undef LANG_HOOKS_GIMPLIFY_EXPR
48 #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr
49 #undef LANG_HOOKS_INIT_TS
50 #define LANG_HOOKS_INIT_TS objcxx_init_ts
51 #undef LANG_HOOKS_EH_PERSONALITY
52 #define LANG_HOOKS_EH_PERSONALITY objcxx_eh_personality
53 #undef LANG_HOOKS_EH_RUNTIME_TYPE
54 #define LANG_HOOKS_EH_RUNTIME_TYPE build_eh_type_type
56 /* Each front end provides its own lang hook initializer. */
57 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
59 /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;
60 there should be very few (if any) routines below. */
62 tree
63 objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain,
64 tree in_decl, bool function_p ATTRIBUTE_UNUSED)
66 #define RECURSE(NODE) \
67 tsubst_copy_and_build (NODE, args, complain, in_decl, \
68 /*function_p=*/false, \
69 /*integral_constant_expression_p=*/false)
71 /* The following two can only occur in Objective-C++. */
73 switch ((int) TREE_CODE (t))
75 case MESSAGE_SEND_EXPR:
76 return objc_finish_message_expr
77 (RECURSE (TREE_OPERAND (t, 0)),
78 TREE_OPERAND (t, 1), /* No need to expand the selector. */
79 RECURSE (TREE_OPERAND (t, 2)));
81 case CLASS_REFERENCE_EXPR:
82 return objc_get_class_reference
83 (RECURSE (TREE_OPERAND (t, 0)));
85 default:
86 break;
89 /* Fall back to C++ processing. */
90 return NULL_TREE;
92 #undef RECURSE
95 static void
96 objcxx_init_ts (void)
98 /* objc decls */
99 tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_NON_COMMON] = 1;
100 tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_NON_COMMON] = 1;
101 tree_contains_struct[KEYWORD_DECL][TS_DECL_NON_COMMON] = 1;
103 tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_WITH_VIS] = 1;
104 tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_WITH_VIS] = 1;
105 tree_contains_struct[KEYWORD_DECL][TS_DECL_WITH_VIS] = 1;
107 tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_WRTL] = 1;
108 tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_WRTL] = 1;
109 tree_contains_struct[KEYWORD_DECL][TS_DECL_WRTL] = 1;
111 tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_MINIMAL] = 1;
112 tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_MINIMAL] = 1;
113 tree_contains_struct[KEYWORD_DECL][TS_DECL_MINIMAL] = 1;
115 tree_contains_struct[CLASS_METHOD_DECL][TS_DECL_COMMON] = 1;
116 tree_contains_struct[INSTANCE_METHOD_DECL][TS_DECL_COMMON] = 1;
117 tree_contains_struct[KEYWORD_DECL][TS_DECL_COMMON] = 1;
119 /* C++ decls */
120 tree_contains_struct[NAMESPACE_DECL][TS_DECL_NON_COMMON] = 1;
121 tree_contains_struct[USING_DECL][TS_DECL_NON_COMMON] = 1;
122 tree_contains_struct[TEMPLATE_DECL][TS_DECL_NON_COMMON] = 1;
124 tree_contains_struct[NAMESPACE_DECL][TS_DECL_WITH_VIS] = 1;
125 tree_contains_struct[USING_DECL][TS_DECL_WITH_VIS] = 1;
126 tree_contains_struct[TEMPLATE_DECL][TS_DECL_WITH_VIS] = 1;
128 tree_contains_struct[NAMESPACE_DECL][TS_DECL_WRTL] = 1;
129 tree_contains_struct[USING_DECL][TS_DECL_WRTL] = 1;
130 tree_contains_struct[TEMPLATE_DECL][TS_DECL_WRTL] = 1;
132 tree_contains_struct[NAMESPACE_DECL][TS_DECL_COMMON] = 1;
133 tree_contains_struct[USING_DECL][TS_DECL_COMMON] = 1;
134 tree_contains_struct[TEMPLATE_DECL][TS_DECL_COMMON] = 1;
136 tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1;
137 tree_contains_struct[USING_DECL][TS_DECL_MINIMAL] = 1;
138 tree_contains_struct[TEMPLATE_DECL][TS_DECL_MINIMAL] = 1;
140 init_shadowed_var_for_decl ();
143 static GTY(()) tree objcp_eh_personality_decl;
145 static tree
146 objcxx_eh_personality (void)
148 if (!objcp_eh_personality_decl)
149 objcp_eh_personality_decl
150 = build_personality_function (USING_SJLJ_EXCEPTIONS
151 ? "__gxx_personality_sj0"
152 : "__gxx_personality_v0");
154 return objcp_eh_personality_decl;
158 void
159 finish_file (void)
161 objc_finish_file ();
164 #include "gtype-objcp.h"