Source/JavaScriptCore/runtime/CallData.h

/*
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef CallData_h
#define CallData_h

#include "JSCJSValue.h"

namespace JSC {

class ArgList;
class ExecState;
class FunctionExecutable;
class JSObject;
class JSScope;

enum CallType {
    CallTypeNone,
    CallTypeHost,
    CallTypeJS
};

typedef EncodedJSValue (JSC_HOST_CALL *NativeFunction)(ExecState*);

union CallData {
    struct {
        NativeFunction function;
    } native;
    struct {
        FunctionExecutable* functionExecutable;
        JSScope* scope;
    } js;
};

JS_EXPORT_PRIVATE JSValue call(ExecState*, JSValue functionObject, CallType, const CallData&, JSValue thisValue, const ArgList&);

} // namespace JSC

#endif // CallData_h