1 /* Language-dependent hooks for Objective-C++. 2 Copyright 2005, 2007, 2008, 2010, 2011 Free Software Foundation, Inc. 3 Contributed by Ziemowit Laski <zlaski@apple.com> 4 5 This file is part of GCC. 6 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. 11 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. 16 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/>. */ 20 21 #include "config.h" 22 #include "system.h" 23 #include "coretypes.h" 24 #include "tm.h" 25 #include "tree.h" 26 #include "cp-tree.h" 27 #include "c-family/c-common.h" 28 #include "c-family/c-objc.h" 29 #include "objc-act.h" 30 #include "langhooks.h" 31 #include "langhooks-def.h" 32 #include "target.h" 33 #include "cp-objcp-common.h" 34 35 enum c_language_kind c_language = clk_objcxx; 36 static void objcxx_init_ts (void); 37 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. */ 40 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_GIMPLIFY_EXPR 46 #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr 47 #undef LANG_HOOKS_INIT_TS 48 #define LANG_HOOKS_INIT_TS objcxx_init_ts 49 50 /* Each front end provides its own lang hook initializer. */ 51 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; 52 53 /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c; 54 there should be very few (if any) routines below. */ 55 56 tree 57 objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain, 58 tree in_decl, bool function_p ATTRIBUTE_UNUSED) 59 { 60 #define RECURSE(NODE) \ 61 tsubst_copy_and_build (NODE, args, complain, in_decl, \ 62 /*function_p=*/false, \ 63 /*integral_constant_expression_p=*/false) 64 65 /* The following two can only occur in Objective-C++. */ 66 67 switch ((int) TREE_CODE (t)) 68 { 69 case MESSAGE_SEND_EXPR: 70 return objc_finish_message_expr 71 (RECURSE (TREE_OPERAND (t, 0)), 72 TREE_OPERAND (t, 1), /* No need to expand the selector. */ 73 RECURSE (TREE_OPERAND (t, 2)), NULL); 74 75 case CLASS_REFERENCE_EXPR: 76 return objc_get_class_reference 77 (RECURSE (TREE_OPERAND (t, 0))); 78 79 default: 80 break; 81 } 82 83 /* Fall back to C++ processing. */ 84 return NULL_TREE; 85 86 #undef RECURSE 87 } 88 89 static void 90 objcxx_init_ts (void) 91 { 92 objc_common_init_ts (); 93 cp_common_init_ts (); 94 95 init_shadowed_var_for_decl (); 96 } 97 98 #include "gtype-objcp.h" 99