1*e4b17023SJohn Marino /* Language-dependent hooks for Objective-C++. 2*e4b17023SJohn Marino Copyright 2005, 2007, 2008, 2010, 2011 Free Software Foundation, Inc. 3*e4b17023SJohn Marino Contributed by Ziemowit Laski <zlaski@apple.com> 4*e4b17023SJohn Marino 5*e4b17023SJohn Marino This file is part of GCC. 6*e4b17023SJohn Marino 7*e4b17023SJohn Marino GCC is free software; you can redistribute it and/or modify 8*e4b17023SJohn Marino it under the terms of the GNU General Public License as published by 9*e4b17023SJohn Marino the Free Software Foundation; either version 3, or (at your option) 10*e4b17023SJohn Marino any later version. 11*e4b17023SJohn Marino 12*e4b17023SJohn Marino GCC is distributed in the hope that it will be useful, 13*e4b17023SJohn Marino but WITHOUT ANY WARRANTY; without even the implied warranty of 14*e4b17023SJohn Marino MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*e4b17023SJohn Marino GNU General Public License for more details. 16*e4b17023SJohn Marino 17*e4b17023SJohn Marino You should have received a copy of the GNU General Public License 18*e4b17023SJohn Marino along with GCC; see the file COPYING3. If not see 19*e4b17023SJohn Marino <http://www.gnu.org/licenses/>. */ 20*e4b17023SJohn Marino 21*e4b17023SJohn Marino #include "config.h" 22*e4b17023SJohn Marino #include "system.h" 23*e4b17023SJohn Marino #include "coretypes.h" 24*e4b17023SJohn Marino #include "tm.h" 25*e4b17023SJohn Marino #include "tree.h" 26*e4b17023SJohn Marino #include "cp-tree.h" 27*e4b17023SJohn Marino #include "c-family/c-common.h" 28*e4b17023SJohn Marino #include "c-family/c-objc.h" 29*e4b17023SJohn Marino #include "objc-act.h" 30*e4b17023SJohn Marino #include "langhooks.h" 31*e4b17023SJohn Marino #include "langhooks-def.h" 32*e4b17023SJohn Marino #include "target.h" 33*e4b17023SJohn Marino #include "cp-objcp-common.h" 34*e4b17023SJohn Marino 35*e4b17023SJohn Marino enum c_language_kind c_language = clk_objcxx; 36*e4b17023SJohn Marino static void objcxx_init_ts (void); 37*e4b17023SJohn Marino 38*e4b17023SJohn Marino /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h; 39*e4b17023SJohn Marino consequently, there should be very few hooks below. */ 40*e4b17023SJohn Marino 41*e4b17023SJohn Marino #undef LANG_HOOKS_NAME 42*e4b17023SJohn Marino #define LANG_HOOKS_NAME "GNU Objective-C++" 43*e4b17023SJohn Marino #undef LANG_HOOKS_INIT 44*e4b17023SJohn Marino #define LANG_HOOKS_INIT objc_init 45*e4b17023SJohn Marino #undef LANG_HOOKS_GIMPLIFY_EXPR 46*e4b17023SJohn Marino #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr 47*e4b17023SJohn Marino #undef LANG_HOOKS_INIT_TS 48*e4b17023SJohn Marino #define LANG_HOOKS_INIT_TS objcxx_init_ts 49*e4b17023SJohn Marino 50*e4b17023SJohn Marino /* Each front end provides its own lang hook initializer. */ 51*e4b17023SJohn Marino struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; 52*e4b17023SJohn Marino 53*e4b17023SJohn Marino /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c; 54*e4b17023SJohn Marino there should be very few (if any) routines below. */ 55*e4b17023SJohn Marino 56*e4b17023SJohn Marino tree 57*e4b17023SJohn Marino objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain, 58*e4b17023SJohn Marino tree in_decl, bool function_p ATTRIBUTE_UNUSED) 59*e4b17023SJohn Marino { 60*e4b17023SJohn Marino #define RECURSE(NODE) \ 61*e4b17023SJohn Marino tsubst_copy_and_build (NODE, args, complain, in_decl, \ 62*e4b17023SJohn Marino /*function_p=*/false, \ 63*e4b17023SJohn Marino /*integral_constant_expression_p=*/false) 64*e4b17023SJohn Marino 65*e4b17023SJohn Marino /* The following two can only occur in Objective-C++. */ 66*e4b17023SJohn Marino 67*e4b17023SJohn Marino switch ((int) TREE_CODE (t)) 68*e4b17023SJohn Marino { 69*e4b17023SJohn Marino case MESSAGE_SEND_EXPR: 70*e4b17023SJohn Marino return objc_finish_message_expr 71*e4b17023SJohn Marino (RECURSE (TREE_OPERAND (t, 0)), 72*e4b17023SJohn Marino TREE_OPERAND (t, 1), /* No need to expand the selector. */ 73*e4b17023SJohn Marino RECURSE (TREE_OPERAND (t, 2)), NULL); 74*e4b17023SJohn Marino 75*e4b17023SJohn Marino case CLASS_REFERENCE_EXPR: 76*e4b17023SJohn Marino return objc_get_class_reference 77*e4b17023SJohn Marino (RECURSE (TREE_OPERAND (t, 0))); 78*e4b17023SJohn Marino 79*e4b17023SJohn Marino default: 80*e4b17023SJohn Marino break; 81*e4b17023SJohn Marino } 82*e4b17023SJohn Marino 83*e4b17023SJohn Marino /* Fall back to C++ processing. */ 84*e4b17023SJohn Marino return NULL_TREE; 85*e4b17023SJohn Marino 86*e4b17023SJohn Marino #undef RECURSE 87*e4b17023SJohn Marino } 88*e4b17023SJohn Marino 89*e4b17023SJohn Marino static void 90*e4b17023SJohn Marino objcxx_init_ts (void) 91*e4b17023SJohn Marino { 92*e4b17023SJohn Marino objc_common_init_ts (); 93*e4b17023SJohn Marino cp_common_init_ts (); 94*e4b17023SJohn Marino 95*e4b17023SJohn Marino init_shadowed_var_for_decl (); 96*e4b17023SJohn Marino } 97*e4b17023SJohn Marino 98*e4b17023SJohn Marino #include "gtype-objcp.h" 99