1/* 2 * Copyright (C) 1999-2002 Harri Porten (porten@kde.org) 3 * Copyright (C) 2001 Peter Kelly (pmk@post.com) 4 * Copyright (C) 2004, 2007, 2008 Apple Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23#include "config.h" 24#include "InternalFunction.h" 25 26#include "FunctionPrototype.h" 27#include "JSGlobalObject.h" 28#include "JSString.h" 29#include "JSCInlines.h" 30 31namespace JSC { 32 33STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(InternalFunction); 34 35const ClassInfo InternalFunction::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(InternalFunction) }; 36 37InternalFunction::InternalFunction(VM& vm, Structure* structure) 38 : JSDestructibleObject(vm, structure) 39{ 40} 41 42void InternalFunction::finishCreation(VM& vm, const String& name) 43{ 44 Base::finishCreation(vm); 45 ASSERT(inherits(info())); 46 ASSERT(methodTable()->getCallData != InternalFunction::info()->methodTable.getCallData); 47 putDirect(vm, vm.propertyNames->name, jsString(&vm, name), DontDelete | ReadOnly | DontEnum); 48} 49 50const String& InternalFunction::name(ExecState* exec) 51{ 52 return asString(getDirect(exec->vm(), exec->vm().propertyNames->name))->tryGetValue(); 53} 54 55const String InternalFunction::displayName(ExecState* exec) 56{ 57 JSValue displayName = getDirect(exec->vm(), exec->vm().propertyNames->displayName); 58 59 if (displayName && isJSString(displayName)) 60 return asString(displayName)->tryGetValue(); 61 62 return String(); 63} 64 65CallType InternalFunction::getCallData(JSCell*, CallData&) 66{ 67 RELEASE_ASSERT_NOT_REACHED(); 68 return CallTypeNone; 69} 70 71const String InternalFunction::calculatedDisplayName(ExecState* exec) 72{ 73 const String explicitName = displayName(exec); 74 75 if (!explicitName.isEmpty()) 76 return explicitName; 77 78 return name(exec); 79} 80 81} // namespace JSC 82