1/* 2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) 3 * Copyright (C) 2003, 2008 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * 19 */ 20 21#include "config.h" 22#include "ErrorConstructor.h" 23 24#include "ErrorPrototype.h" 25#include "JSGlobalObject.h" 26#include "JSString.h" 27 28namespace JSC { 29 30ASSERT_CLASS_FITS_IN_CELL(ErrorConstructor); 31 32ErrorConstructor::ErrorConstructor(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, ErrorPrototype* errorPrototype) 33 : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, errorPrototype->classInfo()->className)) 34{ 35 // ECMA 15.11.3.1 Error.prototype 36 putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly); 37 putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(1), DontDelete | ReadOnly | DontEnum); 38} 39 40// ECMA 15.9.3 41 42static EncodedJSValue JSC_HOST_CALL constructWithErrorConstructor(ExecState* exec) 43{ 44 JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined(); 45 Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->errorStructure(); 46 return JSValue::encode(ErrorInstance::create(exec, errorStructure, message)); 47} 48 49ConstructType ErrorConstructor::getConstructData(ConstructData& constructData) 50{ 51 constructData.native.function = constructWithErrorConstructor; 52 return ConstructTypeHost; 53} 54 55static EncodedJSValue JSC_HOST_CALL callErrorConstructor(ExecState* exec) 56{ 57 JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined(); 58 Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->errorStructure(); 59 return JSValue::encode(ErrorInstance::create(exec, errorStructure, message)); 60} 61 62CallType ErrorConstructor::getCallData(CallData& callData) 63{ 64 callData.native.function = callErrorConstructor; 65 return CallTypeHost; 66} 67 68} // namespace JSC 69