1 /*
2 * Copyright (C) 2008 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 #include "config.h"
30 #include "JSPropertyNameIterator.h"
31
32 namespace JSC {
33
34 ASSERT_CLASS_FITS_IN_CELL(JSPropertyNameIterator);
35
~JSPropertyNameIterator()36 JSPropertyNameIterator::~JSPropertyNameIterator()
37 {
38 }
39
toPrimitive(ExecState *,PreferredPrimitiveType) const40 JSValuePtr JSPropertyNameIterator::toPrimitive(ExecState*, PreferredPrimitiveType) const
41 {
42 ASSERT_NOT_REACHED();
43 return noValue();
44 }
45
getPrimitiveNumber(ExecState *,double &,JSValuePtr &)46 bool JSPropertyNameIterator::getPrimitiveNumber(ExecState*, double&, JSValuePtr&)
47 {
48 ASSERT_NOT_REACHED();
49 return false;
50 }
51
toBoolean(ExecState *) const52 bool JSPropertyNameIterator::toBoolean(ExecState*) const
53 {
54 ASSERT_NOT_REACHED();
55 return false;
56 }
57
toNumber(ExecState *) const58 double JSPropertyNameIterator::toNumber(ExecState*) const
59 {
60 ASSERT_NOT_REACHED();
61 return 0;
62 }
63
toString(ExecState *) const64 UString JSPropertyNameIterator::toString(ExecState*) const
65 {
66 ASSERT_NOT_REACHED();
67 return "";
68 }
69
toObject(ExecState *) const70 JSObject* JSPropertyNameIterator::toObject(ExecState*) const
71 {
72 ASSERT_NOT_REACHED();
73 return 0;
74 }
75
mark()76 void JSPropertyNameIterator::mark()
77 {
78 JSCell::mark();
79 if (m_object && !m_object->marked())
80 m_object->mark();
81 }
82
invalidate()83 void JSPropertyNameIterator::invalidate()
84 {
85 ASSERT(m_position == m_end);
86 m_object = 0;
87 m_data.clear();
88 }
89
90 } // namespace JSC
91