1 /* 2 * Copyright (C) 1999-2000 Harri Porten (porten (at) 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 29 namespace JSC { 30 31 ASSERT_CLASS_FITS_IN_CELL(NativeErrorConstructor); 32 33 const ClassInfo NativeErrorConstructor::s_info = { "Function", &InternalFunction::s_info, 0, 0 }; 34 35 NativeErrorConstructor::NativeErrorConstructor(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, Structure* prototypeStructure, const UString& nameAndMessage) 36 : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, nameAndMessage)) 37 { 38 ASSERT(inherits(&s_info)); 39 40 NativeErrorPrototype* prototype = new (exec) NativeErrorPrototype(exec, globalObject, prototypeStructure, nameAndMessage, this); 41 42 putDirect(exec->globalData(), exec->propertyNames().length, jsNumber(1), DontDelete | ReadOnly | DontEnum); // ECMA 15.11.7.5 43 putDirect(exec->globalData(), exec->propertyNames().prototype, prototype, DontDelete | ReadOnly | DontEnum); 44 m_errorStructure.set(exec->globalData(), this, ErrorInstance::createStructure(exec->globalData(), prototype)); 45 ASSERT(m_errorStructure); 46 ASSERT(m_errorStructure->typeInfo().type() == ObjectType); 47 } 48 49 void NativeErrorConstructor::markChildren(MarkStack& markStack) 50 { 51 InternalFunction::markChildren(markStack); 52 if (m_errorStructure) 53 markStack.append(&m_errorStructure); 54 } 55 56 static EncodedJSValue JSC_HOST_CALL constructWithNativeErrorConstructor(ExecState* exec) 57 { 58 JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined(); 59 Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure(); 60 ASSERT(errorStructure); 61 return JSValue::encode(ErrorInstance::create(exec, errorStructure, message)); 62 } 63 64 ConstructType NativeErrorConstructor::getConstructData(ConstructData& constructData) 65 { 66 constructData.native.function = constructWithNativeErrorConstructor; 67 return ConstructTypeHost; 68 } 69 70 static EncodedJSValue JSC_HOST_CALL callNativeErrorConstructor(ExecState* exec) 71 { 72 JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined(); 73 Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure(); 74 return JSValue::encode(ErrorInstance::create(exec, errorStructure, message)); 75 } 76 77 CallType NativeErrorConstructor::getCallData(CallData& callData) 78 { 79 callData.native.function = callNativeErrorConstructor; 80 return CallTypeHost; 81 } 82 83 } // namespace JSC 84
