/*

 *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)

 *  Copyright (C) 2008 Apple Inc. All rights reserved.

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#include "config.h"

#include "ObjectPrototype.h"

#include "Error.h"

#include "JSFunction.h"

#include "JSString.h"

#include "JSStringBuilder.h"

#include "PrototypeFunction.h"

namespace JSC {

ASSERT_CLASS_FITS_IN_CELL(ObjectPrototype);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncValueOf(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncHasOwnProperty(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncIsPrototypeOf(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncDefineGetter(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncDefineSetter(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncLookupGetter(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncLookupSetter(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncPropertyIsEnumerable(ExecState*);

static EncodedJSValue JSC_HOST_CALL objectProtoFuncToLocaleString(ExecState*);

ObjectPrototype::ObjectPrototype(ExecState* exec, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> stucture, Structure* prototypeFunctionStructure)

    : JSObject(stucture)

    , m_hasNoPropertiesWithUInt32Names(true)

{

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().toString, objectProtoFuncToString), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().toLocaleString, objectProtoFuncToLocaleString), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, objectProtoFuncValueOf), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().hasOwnProperty, objectProtoFuncHasOwnProperty), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().propertyIsEnumerable, objectProtoFuncPropertyIsEnumerable), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().isPrototypeOf, objectProtoFuncIsPrototypeOf), DontEnum);

    // Mozilla extensions

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 2, exec->propertyNames().__defineGetter__, objectProtoFuncDefineGetter), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 2, exec->propertyNames().__defineSetter__, objectProtoFuncDefineSetter), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().__lookupGetter__, objectProtoFuncLookupGetter), DontEnum);

    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().__lookupSetter__, objectProtoFuncLookupSetter), DontEnum);

}

void ObjectPrototype::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)

{

    JSObject::put(exec, propertyName, value, slot);

    if (m_hasNoPropertiesWithUInt32Names) {

        bool isUInt32;

        propertyName.toStrictUInt32(&isUInt32);

        m_hasNoPropertiesWithUInt32Names = !isUInt32;

    }

}

bool ObjectPrototype::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)

{

    if (m_hasNoPropertiesWithUInt32Names)

        return false;

    return JSObject::getOwnPropertySlot(exec, propertyName, slot);

}

// ------------------------------ Functions --------------------------------

// ECMA 15.2.4.2, 15.2.4.4, 15.2.4.5, 15.2.4.7

EncodedJSValue JSC_HOST_CALL objectProtoFuncValueOf(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(thisValue.toThisObject(exec));

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncHasOwnProperty(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(jsBoolean(thisValue.toThisObject(exec)->hasOwnProperty(exec, Identifier(exec, exec->argument(0).toString(exec)))));

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncIsPrototypeOf(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    JSObject* thisObj = thisValue.toThisObject(exec);

    if (!exec->argument(0).isObject())

        return JSValue::encode(jsBoolean(false));

    JSValue v = asObject(exec->argument(0))->prototype();

    while (true) {

        if (!v.isObject())

            return JSValue::encode(jsBoolean(false));

        if (v == thisObj)

            return JSValue::encode(jsBoolean(true));

        v = asObject(v)->prototype();

    }

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncDefineGetter(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    CallData callData;

    if (getCallData(exec->argument(1), callData) == CallTypeNone)

        return throwVMError(exec, createSyntaxError(exec, "invalid getter usage"));

    thisValue.toThisObject(exec)->defineGetter(exec, Identifier(exec, exec->argument(0).toString(exec)), asObject(exec->argument(1)));

    return JSValue::encode(jsUndefined());

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncDefineSetter(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    CallData callData;

    if (getCallData(exec->argument(1), callData) == CallTypeNone)

        return throwVMError(exec, createSyntaxError(exec, "invalid setter usage"));

    thisValue.toThisObject(exec)->defineSetter(exec, Identifier(exec, exec->argument(0).toString(exec)), asObject(exec->argument(1)));

    return JSValue::encode(jsUndefined());

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncLookupGetter(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(thisValue.toThisObject(exec)->lookupGetter(exec, Identifier(exec, exec->argument(0).toString(exec))));

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncLookupSetter(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(thisValue.toThisObject(exec)->lookupSetter(exec, Identifier(exec, exec->argument(0).toString(exec))));

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncPropertyIsEnumerable(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(jsBoolean(thisValue.toThisObject(exec)->propertyIsEnumerable(exec, Identifier(exec, exec->argument(0).toString(exec)))));

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncToLocaleString(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(thisValue.toThisJSString(exec));

}

EncodedJSValue JSC_HOST_CALL objectProtoFuncToString(ExecState* exec)

{

    JSValue thisValue = exec->hostThisValue();

    return JSValue::encode(jsMakeNontrivialString(exec, "[object ", thisValue.toThisObject(exec)->className(), "]"));

}

} // namespace JSC