| 1 | /* | 
| 2 |  * Copyright (C) 2008 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 |  * | 
| 8 |  * 1.  Redistributions of source code must retain the above copyright | 
| 9 |  *     notice, this list of conditions and the following disclaimer. | 
| 10 |  * 2.  Redistributions in binary form must reproduce the above copyright | 
| 11 |  *     notice, this list of conditions and the following disclaimer in the | 
| 12 |  *     documentation and/or other materials provided with the distribution. | 
| 13 |  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of | 
| 14 |  *     its contributors may be used to endorse or promote products derived | 
| 15 |  *     from this software without specific prior written permission. | 
| 16 |  * | 
| 17 |  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 
| 18 |  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 
| 19 |  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
| 20 |  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 
| 21 |  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 
| 22 |  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 
| 23 |  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 
| 24 |  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 25 |  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
| 26 |  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
| 27 |  */ | 
| 28 |  | 
| 29 | #ifndef CallData_h | 
| 30 | #define CallData_h | 
| 31 |  | 
| 32 | #include "NativeFunctionWrapper.h" | 
| 33 |  | 
| 34 | namespace JSC { | 
| 35 |  | 
| 36 |     class ArgList; | 
| 37 |     class ExecState; | 
| 38 |     class FunctionExecutable; | 
| 39 |     class JSObject; | 
| 40 |     class JSValue; | 
| 41 |     class ScopeChainNode; | 
| 42 |  | 
| 43 |     enum CallType { | 
| 44 |         CallTypeNone, | 
| 45 |         CallTypeHost, | 
| 46 |         CallTypeJS | 
| 47 |     }; | 
| 48 |  | 
| 49 |     typedef JSValue (JSC_HOST_CALL *NativeFunction)(ExecState*, JSObject*, JSValue thisValue, const ArgList&); | 
| 50 |  | 
| 51 | #ifdef QT_BUILD_SCRIPT_LIB | 
| 52 |     class NativeFuncWrapper | 
| 53 |     { | 
| 54 |         NativeFunction ptr; | 
| 55 |     public: | 
| 56 |         inline NativeFuncWrapper& operator=(NativeFunction func) | 
| 57 |         { | 
| 58 |             ptr = func; | 
| 59 |             return *this; | 
| 60 |         } | 
| 61 |         inline operator NativeFunction() const {return ptr;} | 
| 62 |         inline operator bool() const {return ptr;} | 
| 63 |  | 
| 64 |         JSValue operator()(ExecState* exec, JSObject* jsobj, JSValue thisValue, const ArgList& argList) const; | 
| 65 |     }; | 
| 66 | #endif | 
| 67 |  | 
| 68 | #if defined(QT_BUILD_SCRIPT_LIB) && OS(SOLARIS) | 
| 69 |     struct | 
| 70 | #else | 
| 71 |     union | 
| 72 | #endif | 
| 73 |     CallData { | 
| 74 |         struct { | 
| 75 | #ifndef QT_BUILD_SCRIPT_LIB | 
| 76 |             NativeFunction function; | 
| 77 | #else | 
| 78 |             NativeFuncWrapper function; | 
| 79 | #endif | 
| 80 |         } native; | 
| 81 |         struct { | 
| 82 |             FunctionExecutable* functionExecutable; | 
| 83 |             ScopeChainNode* scopeChain; | 
| 84 |         } js; | 
| 85 |     }; | 
| 86 |  | 
| 87 |     JSValue call(ExecState*, JSValue functionObject, CallType, const CallData&, JSValue thisValue, const ArgList&); | 
| 88 |  | 
| 89 | } // namespace JSC | 
| 90 |  | 
| 91 | #endif // CallData_h | 
| 92 |  |