1 /* Language-dependent hooks for Objective-C++.
2 Copyright 2005 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 2, or (at your option)
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 COPYING. If not, write to
19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
24 #include "coretypes.h"
31 #include "langhooks.h"
32 #include "langhooks-def.h"
33 #include "diagnostic.h"
35 #include "cp-objcp-common.h"
37 enum c_language_kind c_language = clk_objcxx;
39 /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
40 consequently, there should be very few hooks below. */
42 #undef LANG_HOOKS_NAME
43 #define LANG_HOOKS_NAME "GNU Objective-C++"
44 #undef LANG_HOOKS_INIT
45 #define LANG_HOOKS_INIT objc_init
46 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
47 #define LANG_HOOKS_DECL_PRINTABLE_NAME objc_printable_name
48 #undef LANG_HOOKS_GIMPLIFY_EXPR
49 #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr
50 #undef LANG_HOOKS_GET_CALLEE_FNDECL
51 #define LANG_HOOKS_GET_CALLEE_FNDECL objc_get_callee_fndecl
52 /* Each front end provides its own lang hook initializer. */
53 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
55 /* Tree code classes. */
57 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
59 const enum tree_code_class tree_code_type[] = {
62 #include "c-common.def"
64 #include "cp-tree.def"
66 #include "objc-tree.def"
70 /* Table indexed by tree code giving number of expression
71 operands beyond the fixed part of the node structure.
72 Not used for types or decls. */
74 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
76 const unsigned char tree_code_length[] = {
79 #include "c-common.def"
81 #include "cp-tree.def"
83 #include "objc-tree.def"
87 /* Names of tree components.
88 Used for printing out the tree and error messages. */
89 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
91 const char *const tree_code_name[] = {
94 #include "c-common.def"
96 #include "cp-tree.def"
98 #include "objc-tree.def"
102 /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;
103 there should be very few (if any) routines below. */
106 objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain,
107 tree in_decl, bool function_p ATTRIBUTE_UNUSED)
109 #define RECURSE(NODE) \
110 tsubst_copy_and_build (NODE, args, complain, in_decl, /*function_p=*/false)
112 /* The following two can only occur in Objective-C++. */
114 switch ((int) TREE_CODE (t))
116 case MESSAGE_SEND_EXPR:
117 return objc_finish_message_expr
118 (RECURSE (TREE_OPERAND (t, 0)),
119 TREE_OPERAND (t, 1), /* No need to expand the selector. */
120 RECURSE (TREE_OPERAND (t, 2)));
122 case CLASS_REFERENCE_EXPR:
123 return objc_get_class_reference
124 (RECURSE (TREE_OPERAND (t, 0)));
130 /* Fall back to C++ processing. */
142 #include "gtype-objcp.h"