JavaScriptCore/runtime/CallData.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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 * Copyright (C) 2008 Apple Inc. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1.  Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 * 2.  Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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 *     its contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef CallData_h
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#define CallData_h
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#include "JSValue.h"
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#include "NativeFunctionWrapper.h"
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namespace JSC {
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    class ArgList;
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    class ExecState;
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    class FunctionExecutable;
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    class JSObject;
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    class ScopeChainNode;
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    enum CallType {
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        CallTypeNone,
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        CallTypeHost,
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        CallTypeJS
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    };
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    typedef EncodedJSValue (JSC_HOST_CALL *NativeFunction)(ExecState*);
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    union CallData {
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        struct {
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            NativeFunction function;
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        } native;
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        struct {
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            FunctionExecutable* functionExecutable;
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            ScopeChainNode* scopeChain;
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        } js;
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    };
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    JSValue call(ExecState*, JSValue functionObject, CallType, const CallData&, JSValue thisValue, const ArgList&);
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} // namespace JSC
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#endif // CallData_h