136ac495dSmrg /* Language-dependent hooks for Objective-C++.
2*8feb0f0bSmrg Copyright (C) 2005-2020 Free Software Foundation, Inc.
336ac495dSmrg Contributed by Ziemowit Laski <zlaski@apple.com>
436ac495dSmrg
536ac495dSmrg This file is part of GCC.
636ac495dSmrg
736ac495dSmrg GCC is free software; you can redistribute it and/or modify
836ac495dSmrg it under the terms of the GNU General Public License as published by
936ac495dSmrg the Free Software Foundation; either version 3, or (at your option)
1036ac495dSmrg any later version.
1136ac495dSmrg
1236ac495dSmrg GCC is distributed in the hope that it will be useful,
1336ac495dSmrg but WITHOUT ANY WARRANTY; without even the implied warranty of
1436ac495dSmrg MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1536ac495dSmrg GNU General Public License for more details.
1636ac495dSmrg
1736ac495dSmrg You should have received a copy of the GNU General Public License
1836ac495dSmrg along with GCC; see the file COPYING3. If not see
1936ac495dSmrg <http://www.gnu.org/licenses/>. */
2036ac495dSmrg
2136ac495dSmrg #include "config.h"
2236ac495dSmrg #include "system.h"
2336ac495dSmrg #include "coretypes.h"
2436ac495dSmrg #include "cp-tree.h"
2536ac495dSmrg #include "c-family/c-objc.h"
2636ac495dSmrg #include "objc-act.h"
2736ac495dSmrg #include "langhooks.h"
2836ac495dSmrg #include "langhooks-def.h"
2936ac495dSmrg #include "cp-objcp-common.h"
3036ac495dSmrg
3136ac495dSmrg enum c_language_kind c_language = clk_objcxx;
3236ac495dSmrg static void objcxx_init_ts (void);
3336ac495dSmrg
3436ac495dSmrg /* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
3536ac495dSmrg consequently, there should be very few hooks below. */
3636ac495dSmrg
3736ac495dSmrg #undef LANG_HOOKS_NAME
3836ac495dSmrg #define LANG_HOOKS_NAME "GNU Objective-C++"
3936ac495dSmrg #undef LANG_HOOKS_INIT
4036ac495dSmrg #define LANG_HOOKS_INIT objc_init
4136ac495dSmrg #undef LANG_HOOKS_GIMPLIFY_EXPR
4236ac495dSmrg #define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr
4336ac495dSmrg #undef LANG_HOOKS_INIT_TS
4436ac495dSmrg #define LANG_HOOKS_INIT_TS objcxx_init_ts
4536ac495dSmrg
4636ac495dSmrg /* Each front end provides its own lang hook initializer. */
4736ac495dSmrg struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
4836ac495dSmrg
4936ac495dSmrg /* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;
5036ac495dSmrg there should be very few (if any) routines below. */
5136ac495dSmrg
5236ac495dSmrg tree
objcp_tsubst_copy_and_build(tree t,tree args,tsubst_flags_t complain,tree in_decl,bool function_p ATTRIBUTE_UNUSED)5336ac495dSmrg objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain,
5436ac495dSmrg tree in_decl, bool function_p ATTRIBUTE_UNUSED)
5536ac495dSmrg {
5636ac495dSmrg #define RECURSE(NODE) \
5736ac495dSmrg tsubst_copy_and_build (NODE, args, complain, in_decl, \
5836ac495dSmrg /*function_p=*/false, \
5936ac495dSmrg /*integral_constant_expression_p=*/false)
6036ac495dSmrg
6136ac495dSmrg /* The following two can only occur in Objective-C++. */
6236ac495dSmrg
6336ac495dSmrg switch ((int) TREE_CODE (t))
6436ac495dSmrg {
6536ac495dSmrg case MESSAGE_SEND_EXPR:
6636ac495dSmrg return objc_finish_message_expr
6736ac495dSmrg (RECURSE (TREE_OPERAND (t, 0)),
6836ac495dSmrg TREE_OPERAND (t, 1), /* No need to expand the selector. */
6936ac495dSmrg RECURSE (TREE_OPERAND (t, 2)), NULL);
7036ac495dSmrg
7136ac495dSmrg case CLASS_REFERENCE_EXPR:
7236ac495dSmrg return objc_get_class_reference
7336ac495dSmrg (RECURSE (TREE_OPERAND (t, 0)));
7436ac495dSmrg
7536ac495dSmrg default:
7636ac495dSmrg break;
7736ac495dSmrg }
7836ac495dSmrg
7936ac495dSmrg /* Fall back to C++ processing. */
8036ac495dSmrg return NULL_TREE;
8136ac495dSmrg
8236ac495dSmrg #undef RECURSE
8336ac495dSmrg }
8436ac495dSmrg
8536ac495dSmrg static void
objcxx_init_ts(void)8636ac495dSmrg objcxx_init_ts (void)
8736ac495dSmrg {
8836ac495dSmrg objc_common_init_ts ();
8936ac495dSmrg cp_common_init_ts ();
9036ac495dSmrg }
9136ac495dSmrg
9236ac495dSmrg #include "gtype-objcp.h"
93