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
35 namespace JSC {
36
37 ASSERT_CLASS_FITS_IN_CELL(JSNotAnObject);
38
39 // JSValue methods
toPrimitive(ExecState * exec,PreferredPrimitiveType) const40 JSValue JSNotAnObject::toPrimitive(ExecState* exec, PreferredPrimitiveType) const
41 {
42 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
43 return m_exception;
44 }
45
getPrimitiveNumber(ExecState * exec,double &,JSValue &)46 bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValue&)
47 {
48 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
49 return false;
50 }
51
toBoolean(ExecState * exec) const52 bool JSNotAnObject::toBoolean(ExecState* exec) const
53 {
54 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
55 return false;
56 }
57
toNumber(ExecState * exec) const58 double JSNotAnObject::toNumber(ExecState* exec) const
59 {
60 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
61 return NaN;
62 }
63
toString(ExecState * exec) const64 UString JSNotAnObject::toString(ExecState* exec) const
65 {
66 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
67 return "";
68 }
69
toObject(ExecState * exec) const70 JSObject* JSNotAnObject::toObject(ExecState* exec) const
71 {
72 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
73 return m_exception;
74 }
75
76 // Marking
markChildren(MarkStack & markStack)77 void JSNotAnObject::markChildren(MarkStack& markStack)
78 {
79 JSObject::markChildren(markStack);
80 markStack.append(m_exception);
81 }
82
83 // JSObject methods
getOwnPropertySlot(ExecState * exec,const Identifier &,PropertySlot &)84 bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, const Identifier&, PropertySlot&)
85 {
86 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
87 return false;
88 }
89
getOwnPropertySlot(ExecState * exec,unsigned,PropertySlot &)90 bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&)
91 {
92 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
93 return false;
94 }
95
getOwnPropertyDescriptor(ExecState * exec,const Identifier &,PropertyDescriptor &)96 bool JSNotAnObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier&, PropertyDescriptor&)
97 {
98 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
99 return false;
100 }
101
put(ExecState * exec,const Identifier &,JSValue,PutPropertySlot &)102 void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValue, PutPropertySlot&)
103 {
104 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
105 }
106
put(ExecState * exec,unsigned,JSValue)107 void JSNotAnObject::put(ExecState* exec, unsigned, JSValue)
108 {
109 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
110 }
111
deleteProperty(ExecState * exec,const Identifier &)112 bool JSNotAnObject::deleteProperty(ExecState* exec, const Identifier&)
113 {
114 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
115 return false;
116 }
117
deleteProperty(ExecState * exec,unsigned)118 bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned)
119 {
120 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
121 return false;
122 }
123
getOwnPropertyNames(ExecState * exec,PropertyNameArray &,EnumerationMode)124 void JSNotAnObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray&, EnumerationMode)
125 {
126 ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);
127 }
128
129 } // namespace JSC
130