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/*
* 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"
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, Structure* stucture, Structure* functionStructure)
: JSNonFinalObject(exec->globalData(), stucture)
, m_hasNoPropertiesWithUInt32Names(true)
{
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 0, exec->propertyNames().toString, objectProtoFuncToString), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 0, exec->propertyNames().toLocaleString, objectProtoFuncToLocaleString), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 0, exec->propertyNames().valueOf, objectProtoFuncValueOf), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 1, exec->propertyNames().hasOwnProperty, objectProtoFuncHasOwnProperty), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 1, exec->propertyNames().propertyIsEnumerable, objectProtoFuncPropertyIsEnumerable), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 1, exec->propertyNames().isPrototypeOf, objectProtoFuncIsPrototypeOf), DontEnum);
// Mozilla extensions
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 2, exec->propertyNames().__defineGetter__, objectProtoFuncDefineGetter), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 2, exec->propertyNames().__defineSetter__, objectProtoFuncDefineSetter), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 1, exec->propertyNames().__lookupGetter__, objectProtoFuncLookupGetter), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 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.toUInt32(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
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