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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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