1 /* Language-dependent hooks for Objective-C++. 2 Copyright (C) 2005-2016 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 "cp-tree.h" 25 #include "c-family/c-objc.h" 26 #include "objc-act.h" 27 #include "langhooks.h" 28 #include "langhooks-def.h" 29 #include "cp-objcp-common.h" 30 31 enum c_language_kind c_language = clk_objcxx; 32 static void objcxx_init_ts (void); 33 34 /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h; 35 consequently, there should be very few hooks below. */ 36 37 #undef LANG_HOOKS_NAME 38 #define LANG_HOOKS_NAME "GNU Objective-C++" 39 #undef LANG_HOOKS_INIT 40 #define LANG_HOOKS_INIT objc_init 41 #undef LANG_HOOKS_GIMPLIFY_EXPR 42 #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr 43 #undef LANG_HOOKS_INIT_TS 44 #define LANG_HOOKS_INIT_TS objcxx_init_ts 45 46 /* Each front end provides its own lang hook initializer. */ 47 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; 48 49 /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c; 50 there should be very few (if any) routines below. */ 51 52 tree 53 objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain, 54 tree in_decl, bool function_p ATTRIBUTE_UNUSED) 55 { 56 #define RECURSE(NODE) \ 57 tsubst_copy_and_build (NODE, args, complain, in_decl, \ 58 /*function_p=*/false, \ 59 /*integral_constant_expression_p=*/false) 60 61 /* The following two can only occur in Objective-C++. */ 62 63 switch ((int) TREE_CODE (t)) 64 { 65 case MESSAGE_SEND_EXPR: 66 return objc_finish_message_expr 67 (RECURSE (TREE_OPERAND (t, 0)), 68 TREE_OPERAND (t, 1), /* No need to expand the selector. */ 69 RECURSE (TREE_OPERAND (t, 2)), NULL); 70 71 case CLASS_REFERENCE_EXPR: 72 return objc_get_class_reference 73 (RECURSE (TREE_OPERAND (t, 0))); 74 75 default: 76 break; 77 } 78 79 /* Fall back to C++ processing. */ 80 return NULL_TREE; 81 82 #undef RECURSE 83 } 84 85 static void 86 objcxx_init_ts (void) 87 { 88 objc_common_init_ts (); 89 cp_common_init_ts (); 90 91 init_shadowed_var_for_decl (); 92 } 93 94 #include "gtype-objcp.h" 95