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 "NativeErrorConstructor.h" 23 24#include "ErrorInstance.h" 25#include "JSFunction.h" 26#include "JSString.h" 27#include "NativeErrorPrototype.h" 28#include "Operations.h" 29 30namespace JSC { 31 32ASSERT_HAS_TRIVIAL_DESTRUCTOR(NativeErrorConstructor); 33 34const ClassInfo NativeErrorConstructor::s_info = { "Function", &InternalFunction::s_info, 0, 0, CREATE_METHOD_TABLE(NativeErrorConstructor) }; 35 36NativeErrorConstructor::NativeErrorConstructor(JSGlobalObject* globalObject, Structure* structure) 37 : InternalFunction(globalObject, structure) 38{ 39} 40 41void NativeErrorConstructor::visitChildren(JSCell* cell, SlotVisitor& visitor) 42{ 43 NativeErrorConstructor* thisObject = jsCast<NativeErrorConstructor*>(cell); 44 ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info); 45 COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag); 46 ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren()); 47 48 InternalFunction::visitChildren(thisObject, visitor); 49 visitor.append(&thisObject->m_errorStructure); 50} 51 52static EncodedJSValue JSC_HOST_CALL constructWithNativeErrorConstructor(ExecState* exec) 53{ 54 JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined(); 55 Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure(); 56 ASSERT(errorStructure); 57 return JSValue::encode(ErrorInstance::create(exec, errorStructure, message)); 58} 59 60ConstructType NativeErrorConstructor::getConstructData(JSCell*, ConstructData& constructData) 61{ 62 constructData.native.function = constructWithNativeErrorConstructor; 63 return ConstructTypeHost; 64} 65 66static EncodedJSValue JSC_HOST_CALL callNativeErrorConstructor(ExecState* exec) 67{ 68 JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined(); 69 Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure(); 70 return JSValue::encode(ErrorInstance::create(exec, errorStructure, message)); 71} 72 73CallType NativeErrorConstructor::getCallData(JSCell*, CallData& callData) 74{ 75 callData.native.function = callNativeErrorConstructor; 76 return CallTypeHost; 77} 78 79} // namespace JSC 80