1/* 2 * Copyright (C) 2008, 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30#include "config.h" 31#include "JSNotAnObject.h" 32 33#include <wtf/UnusedParam.h> 34 35namespace JSC { 36 37ASSERT_CLASS_FITS_IN_CELL(JSNotAnObject); 38 39// JSValue methods 40JSValue JSNotAnObject::toPrimitive(ExecState* exec, PreferredPrimitiveType) const 41{ 42 ASSERT_UNUSED(exec, exec->hadException()); 43 return jsNumber(0); 44} 45 46bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValue&) 47{ 48 ASSERT_UNUSED(exec, exec->hadException()); 49 return false; 50} 51 52bool JSNotAnObject::toBoolean(ExecState* exec) const 53{ 54 ASSERT_UNUSED(exec, exec->hadException()); 55 return false; 56} 57 58double JSNotAnObject::toNumber(ExecState* exec) const 59{ 60 ASSERT_UNUSED(exec, exec->hadException()); 61 return NaN; 62} 63 64UString JSNotAnObject::toString(ExecState* exec) const 65{ 66 ASSERT_UNUSED(exec, exec->hadException()); 67 return ""; 68} 69 70JSObject* JSNotAnObject::toObject(ExecState* exec, JSGlobalObject*) const 71{ 72 ASSERT_UNUSED(exec, exec->hadException()); 73 return const_cast<JSNotAnObject*>(this); 74} 75 76// JSObject methods 77bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, const Identifier&, PropertySlot&) 78{ 79 ASSERT_UNUSED(exec, exec->hadException()); 80 return false; 81} 82 83bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&) 84{ 85 ASSERT_UNUSED(exec, exec->hadException()); 86 return false; 87} 88 89bool JSNotAnObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier&, PropertyDescriptor&) 90{ 91 ASSERT_UNUSED(exec, exec->hadException()); 92 return false; 93} 94 95void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValue, PutPropertySlot&) 96{ 97 ASSERT_UNUSED(exec, exec->hadException()); 98} 99 100void JSNotAnObject::put(ExecState* exec, unsigned, JSValue) 101{ 102 ASSERT_UNUSED(exec, exec->hadException()); 103} 104 105bool JSNotAnObject::deleteProperty(ExecState* exec, const Identifier&) 106{ 107 ASSERT_UNUSED(exec, exec->hadException()); 108 return false; 109} 110 111bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned) 112{ 113 ASSERT_UNUSED(exec, exec->hadException()); 114 return false; 115} 116 117void JSNotAnObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray&, EnumerationMode) 118{ 119 ASSERT_UNUSED(exec, exec->hadException()); 120} 121 122} // namespace JSC 123