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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 "bindings/v8/ScriptHeapSnapshot.h" | |
33 | |
34 #include "bindings/v8/V8Binding.h" | |
35 #include "platform/JSONValues.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 | |
43 ScriptHeapSnapshot::~ScriptHeapSnapshot() | |
44 { | |
45 const_cast<v8::HeapSnapshot*>(m_snapshot)->Delete(); | |
46 } | |
47 | |
48 String ScriptHeapSnapshot::title() const | |
49 { | |
50 v8::HandleScope scope(v8::Isolate::GetCurrent()); | |
51 return toCoreString(m_snapshot->GetTitle()); | |
52 } | |
53 | |
54 namespace { | |
55 | |
56 class OutputStreamAdapter FINAL : public v8::OutputStream { | |
57 public: | |
58 OutputStreamAdapter(ScriptHeapSnapshot::OutputStream* output) | |
59 : m_output(output) { } | |
60 virtual void EndOfStream() OVERRIDE { m_output->Close(); } | |
61 virtual int GetChunkSize() OVERRIDE { return 102400; } | |
62 virtual WriteResult WriteAsciiChunk(char* data, int size) OVERRIDE | |
63 { | |
64 m_output->Write(String(data, size)); | |
65 return kContinue; | |
66 } | |
67 private: | |
68 ScriptHeapSnapshot::OutputStream* m_output; | |
69 }; | |
70 | |
71 } // namespace | |
72 | |
73 void ScriptHeapSnapshot::writeJSON(ScriptHeapSnapshot::OutputStream* stream) | |
74 { | |
75 OutputStreamAdapter outputStream(stream); | |
76 m_snapshot->Serialize(&outputStream, v8::HeapSnapshot::kJSON); | |
77 } | |
78 | |
79 } // namespace WebCore | |
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