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 |
40 | JSValue JSNotAnObject::toPrimitive(ExecState* exec, PreferredPrimitiveType) const |
41 | { |
42 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
43 | return m_exception; |
44 | } |
45 | |
46 | bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValue&) |
47 | { |
48 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
49 | return false; |
50 | } |
51 | |
52 | bool JSNotAnObject::toBoolean(ExecState* exec) const |
53 | { |
54 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
55 | return false; |
56 | } |
57 | |
58 | double JSNotAnObject::toNumber(ExecState* exec) const |
59 | { |
60 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
61 | return NaN; |
62 | } |
63 | |
64 | UString JSNotAnObject::toString(ExecState* exec) const |
65 | { |
66 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
67 | return "" ; |
68 | } |
69 | |
70 | 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 |
77 | void JSNotAnObject::markChildren(MarkStack& markStack) |
78 | { |
79 | JSObject::markChildren(markStack); |
80 | markStack.append(cell: m_exception); |
81 | } |
82 | |
83 | // JSObject methods |
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 | |
90 | bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&) |
91 | { |
92 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
93 | return false; |
94 | } |
95 | |
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 | |
102 | void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValue, PutPropertySlot&) |
103 | { |
104 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
105 | } |
106 | |
107 | void JSNotAnObject::put(ExecState* exec, unsigned, JSValue) |
108 | { |
109 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
110 | } |
111 | |
112 | bool JSNotAnObject::deleteProperty(ExecState* exec, const Identifier&) |
113 | { |
114 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
115 | return false; |
116 | } |
117 | |
118 | bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned) |
119 | { |
120 | ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception); |
121 | return false; |
122 | } |
123 | |
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 | |