1/*
2 * Copyright (C) 2016 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 "HeapProfiler.h"
28
29#include "HeapSnapshot.h"
30#include "VM.h"
31
32namespace JSC {
33
34HeapProfiler::HeapProfiler(VM& vm)
35 : m_vm(vm)
36{
37}
38
39HeapProfiler::~HeapProfiler()
40{
41}
42
43HeapSnapshot* HeapProfiler::mostRecentSnapshot()
44{
45 if (m_snapshots.isEmpty())
46 return nullptr;
47 return m_snapshots.last().get();
48}
49
50void HeapProfiler::appendSnapshot(std::unique_ptr<HeapSnapshot> snapshot)
51{
52 m_snapshots.append(WTFMove(snapshot));
53}
54
55void HeapProfiler::clearSnapshots()
56{
57 m_snapshots.clear();
58}
59
60void HeapProfiler::setActiveHeapAnalyzer(HeapAnalyzer* analyzer)
61{
62 ASSERT(!!m_activeAnalyzer != !!analyzer);
63 m_activeAnalyzer = analyzer;
64}
65
66} // namespace JSC
67