1/*
2 * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1.  Redistributions of source code must retain the above copyright
8 *     notice, this list of conditions and the following disclaimer.
9 * 2.  Redistributions in binary form must reproduce the above copyright
10 *     notice, this list of conditions and the following disclaimer in the
11 *     documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#ifndef WTF_ObjcRuntimeExtras_h
26#define WTF_ObjcRuntimeExtras_h
27
28// FIXME: This file's name and function names refer to Objective-C as Objc with a lowercase C,
29// but it should be ObjC with an uppercase C.
30
31#include <objc/message.h>
32
33#ifdef __cplusplus
34
35template<typename ReturnType, typename... ArgumentTypes>
36inline ReturnType wtfObjcMsgSend(id target, SEL selector, ArgumentTypes... arguments)
37{
38    return reinterpret_cast<ReturnType (*)(id, SEL, ArgumentTypes...)>(objc_msgSend)(target, selector, arguments...);
39}
40
41template<typename ReturnType, typename... ArgumentTypes>
42inline ReturnType wtfCallIMP(IMP implementation, id target, SEL selector, ArgumentTypes... arguments)
43{
44    return reinterpret_cast<ReturnType (*)(id, SEL, ArgumentTypes...)>(implementation)(target, selector, arguments...);
45}
46
47#endif // __cplusplus
48
49#endif // WTF_ObjcRuntimeExtras_h
50