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