| /* |
| * 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 |