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      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::info = { "Function", &InternalFunction::info, 0, 0 };
     34 
     35 NativeErrorConstructor::NativeErrorConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, NativeErrorPrototype* nativeErrorPrototype)
     36     : InternalFunction(&exec->globalData(), structure, Identifier(exec, nativeErrorPrototype->getDirect(exec->propertyNames().name).getString(exec)))
     37     , m_errorStructure(ErrorInstance::createStructure(nativeErrorPrototype))
     38 {
     39     putDirect(exec->propertyNames().length, jsNumber(exec, 1), DontDelete | ReadOnly | DontEnum); // ECMA 15.11.7.5
     40     putDirect(exec->propertyNames().prototype, nativeErrorPrototype, DontDelete | ReadOnly | DontEnum);
     41 }
     42 
     43 ErrorInstance* NativeErrorConstructor::construct(ExecState* exec, const ArgList& args)
     44 {
     45     ErrorInstance* object = new (exec) ErrorInstance(m_errorStructure);
     46     if (!args.at(0).isUndefined())
     47         object->putDirect(exec->propertyNames().message, jsString(exec, args.at(0).toString(exec)));
     48     return object;
     49 }
     50 
     51 static JSObject* constructWithNativeErrorConstructor(ExecState* exec, JSObject* constructor, const ArgList& args)
     52 {
     53     return static_cast<NativeErrorConstructor*>(constructor)->construct(exec, args);
     54 }
     55 
     56 ConstructType NativeErrorConstructor::getConstructData(ConstructData& constructData)
     57 {
     58     constructData.native.function = constructWithNativeErrorConstructor;
     59     return ConstructTypeHost;
     60 }
     61 
     62 static JSValue JSC_HOST_CALL callNativeErrorConstructor(ExecState* exec, JSObject* constructor, JSValue, const ArgList& args)
     63 {
     64     return static_cast<NativeErrorConstructor*>(constructor)->construct(exec, args);
     65 }
     66 
     67 CallType NativeErrorConstructor::getCallData(CallData& callData)
     68 {
     69     callData.native.function = callNativeErrorConstructor;
     70     return CallTypeHost;
     71 }
     72 
     73 } // namespace JSC
     74