/*
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
 * 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 ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "ConstructData.h"

#include "Executable.h"
#include "Interpreter.h"
#include "JSFunction.h"
#include "JSGlobalObject.h"

namespace JSC {

JSObject* construct(ExecState* exec, JSValue object, ConstructType constructType, const ConstructData& constructData, const ArgList& args)
{
    if (constructType == ConstructTypeHost)
        return constructData.native.function(exec, asObject(object), args);

    ASSERT(constructType == ConstructTypeJS);
    JSFunction* jsFunction = asFunction(object);

    ASSERT(!jsFunction->isHostFunction());
    Structure* structure;
    JSValue prototype = jsFunction->get(exec, exec->propertyNames().prototype);
    if (prototype.isObject())
        structure = asObject(prototype)->inheritorID();
    else
        structure = exec->lexicalGlobalObject()->emptyObjectStructure();
    JSObject* thisObj = new (exec) JSObject(structure);

    JSValue result = exec->interpreter()->executeConstruct(jsFunction->jsExecutable(), exec, jsFunction, thisObj, args, jsFunction->scope().node(), exec->exceptionSlot());
    if (exec->hadException() || !result.isObject())
        return thisObj;
    return asObject(result);
}

} // namespace JSC