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() && exec->exception() == m_exception);
43 return m_exception;
44}
45
46bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValue&)
47{
48 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
49 return false;
50}
51
52bool JSNotAnObject::toBoolean(ExecState* exec) const
53{
54 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
55 return false;
56}
57
58double JSNotAnObject::toNumber(ExecState* exec) const
59{
60 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
61 return NaN;
62}
63
64UString JSNotAnObject::toString(ExecState* exec) const
65{
66 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
67 return "";
68}
69
70JSObject* JSNotAnObject::toObject(ExecState* exec) const
71{
72 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
73 return m_exception;
74}
75
76// Marking
77void JSNotAnObject::markChildren(MarkStack& markStack)
78{
79 JSObject::markChildren(markStack);
80 markStack.append(cell: m_exception);
81}
82
83// JSObject methods
84bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, const Identifier&, PropertySlot&)
85{
86 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
87 return false;
88}
89
90bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&)
91{
92 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
93 return false;
94}
95
96bool JSNotAnObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier&, PropertyDescriptor&)
97{
98 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
99 return false;
100}
101
102void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValue, PutPropertySlot&)
103{
104 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
105}
106
107void JSNotAnObject::put(ExecState* exec, unsigned, JSValue)
108{
109 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
110}
111
112bool JSNotAnObject::deleteProperty(ExecState* exec, const Identifier&)
113{
114 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
115 return false;
116}
117
118bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned)
119{
120 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
121 return false;
122}
123
124void JSNotAnObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray&, EnumerationMode)
125{
126 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
127}
128
129} // namespace JSC
130

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSNotAnObject.cpp