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/* Language-dependent hooks for Objective-C++.
Copyright (C) 2005-2016 Free Software Foundation, Inc.
Contributed by Ziemowit Laski <zlaski@apple.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "cp-tree.h"
#include "c-family/c-objc.h"
#include "objc-act.h"
#include "langhooks.h"
#include "langhooks-def.h"
#include "cp-objcp-common.h"
enum c_language_kind c_language = clk_objcxx;
static void objcxx_init_ts (void);
/* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;
consequently, there should be very few hooks below. */
#undef LANG_HOOKS_NAME
#define LANG_HOOKS_NAME "GNU Objective-C++"
#undef LANG_HOOKS_INIT
#define LANG_HOOKS_INIT objc_init
#undef LANG_HOOKS_GIMPLIFY_EXPR
#define LANG_HOOKS_GIMPLIFY_EXPR objc_gimplify_expr
#undef LANG_HOOKS_INIT_TS
#define LANG_HOOKS_INIT_TS objcxx_init_ts
/* Each front end provides its own lang hook initializer. */
struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
/* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;
there should be very few (if any) routines below. */
tree
objcp_tsubst_copy_and_build (tree t, tree args, tsubst_flags_t complain,
tree in_decl, bool function_p ATTRIBUTE_UNUSED)
{
#define RECURSE(NODE) \
tsubst_copy_and_build (NODE, args, complain, in_decl, \
/*function_p=*/false, \
/*integral_constant_expression_p=*/false)
/* The following two can only occur in Objective-C++. */
switch ((int) TREE_CODE (t))
{
case MESSAGE_SEND_EXPR:
return objc_finish_message_expr
(RECURSE (TREE_OPERAND (t, 0)),
TREE_OPERAND (t, 1), /* No need to expand the selector. */
RECURSE (TREE_OPERAND (t, 2)), NULL);
case CLASS_REFERENCE_EXPR:
return objc_get_class_reference
(RECURSE (TREE_OPERAND (t, 0)));
default:
break;
}
/* Fall back to C++ processing. */
return NULL_TREE;
#undef RECURSE
}
static void
objcxx_init_ts (void)
{
objc_common_init_ts ();
cp_common_init_ts ();
init_shadowed_var_for_decl ();
}
#include "gtype-objcp.h"
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