xref: /external/chromium_org/third_party/WebKit/Source/bindings/v8/ScriptHeapSnapshot.cpp

/*
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#include "config.h"
#include "bindings/v8/ScriptHeapSnapshot.h"

#include "bindings/v8/V8Binding.h"
#include "platform/JSONValues.h"
#include <v8.h>
#include <v8-profiler.h>
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"

namespace WebCore {

ScriptHeapSnapshot::~ScriptHeapSnapshot()
{
    const_cast<v8::HeapSnapshot*>(m_snapshot)->Delete();
}

String ScriptHeapSnapshot::title() const
{
    v8::HandleScope scope(v8::Isolate::GetCurrent());
    return toCoreString(m_snapshot->GetTitle());
}

unsigned int ScriptHeapSnapshot::uid() const
{
    return m_snapshot->GetUid();
}

SnapshotObjectId ScriptHeapSnapshot::maxSnapshotJSObjectId() const
{
    return m_snapshot->GetMaxSnapshotJSObjectId();
}

namespace {

class OutputStreamAdapter : public v8::OutputStream {
public:
    OutputStreamAdapter(ScriptHeapSnapshot::OutputStream* output)
        : m_output(output) { }
    void EndOfStream() { m_output->Close(); }
    int GetChunkSize() { return 102400; }
    WriteResult WriteAsciiChunk(char* data, int size)
    {
        m_output->Write(String(data, size));
        return kContinue;
    }
private:
    ScriptHeapSnapshot::OutputStream* m_output;
};

} // namespace

void ScriptHeapSnapshot::writeJSON(ScriptHeapSnapshot::OutputStream* stream)
{
    OutputStreamAdapter outputStream(stream);
    m_snapshot->Serialize(&outputStream, v8::HeapSnapshot::kJSON);
}

} // namespace WebCore