| 1 | /* |
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| 2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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| 14 | * its contributors may be used to endorse or promote products derived |
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| 15 | * from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |
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| 29 | #ifndef CallData_h |
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| 30 | #define CallData_h |
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| 31 | |
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| 32 | #include "NativeFunctionWrapper.h" |
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| 33 | |
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| 34 | namespace JSC { |
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| 35 | |
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| 36 | class ArgList; |
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| 37 | class ExecState; |
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| 38 | class FunctionExecutable; |
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| 39 | class JSObject; |
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| 40 | class JSValue; |
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| 41 | class ScopeChainNode; |
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| 42 | |
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| 43 | enum CallType { |
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| 44 | CallTypeNone, |
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| 45 | CallTypeHost, |
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| 46 | CallTypeJS |
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| 47 | }; |
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| 48 | |
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| 49 | typedef JSValue (JSC_HOST_CALL *NativeFunction)(ExecState*, JSObject*, JSValue thisValue, const ArgList&); |
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| 50 | |
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| 51 | #ifdef QT_BUILD_SCRIPT_LIB |
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| 52 | class NativeFuncWrapper |
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| 53 | { |
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| 54 | NativeFunction ptr; |
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| 55 | public: |
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| 56 | inline NativeFuncWrapper& operator=(NativeFunction func) |
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| 57 | { |
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| 58 | ptr = func; |
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| 59 | return *this; |
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| 60 | } |
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| 61 | inline operator NativeFunction() const {return ptr;} |
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| 62 | inline operator bool() const {return ptr;} |
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| 63 | |
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| 64 | JSValue operator()(ExecState* exec, JSObject* jsobj, JSValue thisValue, const ArgList& argList) const; |
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| 65 | }; |
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| 66 | #endif |
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| 67 | |
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| 68 | #if defined(QT_BUILD_SCRIPT_LIB) && OS(SOLARIS) |
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| 69 | struct |
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| 70 | #else |
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| 71 | union |
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| 72 | #endif |
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| 73 | CallData { |
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| 74 | struct { |
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| 75 | #ifndef QT_BUILD_SCRIPT_LIB |
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| 76 | NativeFunction function; |
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| 77 | #else |
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| 78 | NativeFuncWrapper function; |
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| 79 | #endif |
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| 80 | } native; |
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| 81 | struct { |
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| 82 | FunctionExecutable* functionExecutable; |
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| 83 | ScopeChainNode* scopeChain; |
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| 84 | } js; |
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| 85 | }; |
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| 86 | |
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| 87 | JSValue call(ExecState*, JSValue functionObject, CallType, const CallData&, JSValue thisValue, const ArgList&); |
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| 88 | |
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| 89 | } // namespace JSC |
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| 90 | |
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| 91 | #endif // CallData_h |
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| 92 | |
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