1/*
2 * Copyright (C) 2015 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "TrackedReferences.h"
28
29#include "JSCInlines.h"
30#include <wtf/CommaPrinter.h>
31
32namespace JSC {
33
34TrackedReferences::TrackedReferences()
35{
36}
37
38TrackedReferences::~TrackedReferences()
39{
40}
41
42void TrackedReferences::add(JSCell* cell)
43{
44 if (cell)
45 m_references.add(cell);
46}
47
48void TrackedReferences::add(JSValue value)
49{
50 if (value.isCell())
51 add(value.asCell());
52}
53
54void TrackedReferences::check(JSCell* cell) const
55{
56 if (!cell)
57 return;
58
59 if (m_references.contains(cell))
60 return;
61
62 dataLog("Found untracked reference: ", JSValue(cell), "\n");
63 dataLog("All tracked references: ", *this, "\n");
64 RELEASE_ASSERT_NOT_REACHED();
65}
66
67void TrackedReferences::check(JSValue value) const
68{
69 if (value.isCell())
70 check(value.asCell());
71}
72
73void TrackedReferences::dump(PrintStream& out) const
74{
75 CommaPrinter comma;
76 for (JSCell* cell : m_references)
77 out.print(comma, RawPointer(cell));
78}
79
80} // namespace JSC
81
82