1 /*
2 * Copyright (c) 2010, Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "ScriptHeapSnapshot.h"
33
34 #include "InspectorValues.h"
35 #include "V8Binding.h"
36 #include <v8.h>
37 #include <v8-profiler.h>
38 #include <wtf/PassRefPtr.h>
39 #include <wtf/RefPtr.h>
40
41 namespace WebCore {
42
~ScriptHeapSnapshot()43 ScriptHeapSnapshot::~ScriptHeapSnapshot()
44 {
45 const_cast<v8::HeapSnapshot*>(m_snapshot)->Delete();
46 }
47
title() const48 String ScriptHeapSnapshot::title() const
49 {
50 v8::HandleScope scope;
51 return toWebCoreString(m_snapshot->GetTitle());
52 }
53
uid() const54 unsigned int ScriptHeapSnapshot::uid() const
55 {
56 return m_snapshot->GetUid();
57 }
58
59 namespace {
60
61 class OutputStreamAdapter : public v8::OutputStream {
62 public:
OutputStreamAdapter(ScriptHeapSnapshot::OutputStream * output)63 OutputStreamAdapter(ScriptHeapSnapshot::OutputStream* output)
64 : m_output(output) { }
EndOfStream()65 void EndOfStream() { m_output->Close(); }
GetChunkSize()66 int GetChunkSize() { return 10240; }
WriteAsciiChunk(char * data,int size)67 WriteResult WriteAsciiChunk(char* data, int size)
68 {
69 m_output->Write(String(data, size));
70 return kContinue;
71 }
72 private:
73 ScriptHeapSnapshot::OutputStream* m_output;
74 };
75
76 } // namespace
77
writeJSON(ScriptHeapSnapshot::OutputStream * stream)78 void ScriptHeapSnapshot::writeJSON(ScriptHeapSnapshot::OutputStream* stream)
79 {
80 OutputStreamAdapter outputStream(stream);
81 m_snapshot->Serialize(&outputStream, v8::HeapSnapshot::kJSON);
82 }
83
84 } // namespace WebCore
85