1 /* Language-dependent hooks for Objective-C++. 2 Copyright (C) 2005-2015 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 "hash-set.h" 26 #include "machmode.h" 27 #include "vec.h" 28 #include "double-int.h" 29 #include "input.h" 30 #include "alias.h" 31 #include "symtab.h" 32 #include "options.h" 33 #include "wide-int.h" 34 #include "inchash.h" 35 #include "tree.h" 36 #include "cp-tree.h" 37 #include "c-family/c-common.h" 38 #include "c-family/c-objc.h" 39 #include "objc-act.h" 40 #include "langhooks.h" 41 #include "langhooks-def.h" 42 #include "target.h" 43 #include "cp-objcp-common.h" 44 45 enum c_language_kind c_language = clk_objcxx; 46 static void objcxx_init_ts (void); 47 48 /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h; 49 consequently, there should be very few hooks below. */ 50 51 #undef LANG_HOOKS_NAME 52 #define LANG_HOOKS_NAME "GNU Objective-C++" 53 #undef LANG_HOOKS_INIT 54 #define LANG_HOOKS_INIT objc_init 55 #undef LANG_HOOKS_GIMPLIFY_EXPR 56 #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr 57 #undef LANG_HOOKS_INIT_TS 58 #define LANG_HOOKS_INIT_TS objcxx_init_ts 59 60 /* Each front end provides its own lang hook initializer. */ 61 struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; 62 63 /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c; 64 there should be very few (if any) routines below. */ 65 66 tree 67 objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain, 68 tree in_decl, bool function_p ATTRIBUTE_UNUSED) 69 { 70 #define RECURSE(NODE) \ 71 tsubst_copy_and_build (NODE, args, complain, in_decl, \ 72 /*function_p=*/false, \ 73 /*integral_constant_expression_p=*/false) 74 75 /* The following two can only occur in Objective-C++. */ 76 77 switch ((int) TREE_CODE (t)) 78 { 79 case MESSAGE_SEND_EXPR: 80 return objc_finish_message_expr 81 (RECURSE (TREE_OPERAND (t, 0)), 82 TREE_OPERAND (t, 1), /* No need to expand the selector. */ 83 RECURSE (TREE_OPERAND (t, 2)), NULL); 84 85 case CLASS_REFERENCE_EXPR: 86 return objc_get_class_reference 87 (RECURSE (TREE_OPERAND (t, 0))); 88 89 default: 90 break; 91 } 92 93 /* Fall back to C++ processing. */ 94 return NULL_TREE; 95 96 #undef RECURSE 97 } 98 99 static void 100 objcxx_init_ts (void) 101 { 102 objc_common_init_ts (); 103 cp_common_init_ts (); 104 105 init_shadowed_var_for_decl (); 106 } 107 108 #include "gtype-objcp.h" 109