v8::internal::SnapshotByteSink Class Reference

Sink to write snapshot files to. More...

#include <snapshot-source-sink.h>

Inheritance diagram for v8::internal::SnapshotByteSink:

Collaboration diagram for v8::internal::SnapshotByteSink:

Public Member Functions
virtual	~SnapshotByteSink ()
virtual void	Put (byte b, const char *description)=0
virtual void	PutSection (int b, const char *description)
void	PutInt (uintptr_t integer, const char *description)
void	PutRaw (byte *data, int number_of_bytes, const char *description)
void	PutBlob (byte *data, int number_of_bytes, const char *description)
virtual int	Position ()=0

Detailed Description

Sink to write snapshot files to.

Subclasses must implement actual storage or i/o.

Definition at line 71 of file snapshot-source-sink.h.

Constructor & Destructor Documentation

~SnapshotByteSink()

virtual v8::internal::SnapshotByteSink::~SnapshotByteSink ( )

inlinevirtual

Definition at line 73 of file snapshot-source-sink.h.

{ }

Member Function Documentation

Position()

virtual int v8::internal::SnapshotByteSink::Position ( )

pure virtual

Implemented in v8::internal::ListSnapshotSink, v8::internal::DebugSnapshotSink, and v8::internal::DummySnapshotSink.

Referenced by v8::internal::DebugSnapshotSink::Position(), and v8::internal::Serializer::ObjectSerializer::Serialize().

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Put()

virtual void v8::internal::SnapshotByteSink::Put ( byte  b, const char *  description  )

pure virtual

Implemented in v8::internal::ListSnapshotSink, v8::internal::DebugSnapshotSink, and v8::internal::DummySnapshotSink.

Referenced by v8::internal::Serializer::ObjectSerializer::OutputRawData(), v8::internal::Serializer::Pad(), v8::internal::Serializer::PutRoot(), PutSection(), v8::internal::Serializer::ObjectSerializer::Serialize(), v8::internal::CodeSerializer::SerializeBuiltin(), v8::internal::CodeSerializer::SerializeCodeStub(), v8::internal::PartialSerializer::SerializeObject(), v8::internal::StartupSerializer::SerializeObject(), v8::internal::CodeSerializer::SerializeObject(), v8::internal::Serializer::SerializeReferenceToPreviousObject(), v8::internal::CodeSerializer::SerializeSourceObject(), v8::internal::Serializer::ObjectSerializer::VisitExternalOneByteString(), v8::internal::Serializer::ObjectSerializer::VisitExternalReference(), v8::internal::Serializer::VisitPointers(), v8::internal::Serializer::ObjectSerializer::VisitPointers(), and v8::internal::Serializer::ObjectSerializer::VisitRuntimeEntry().

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PutBlob()

void v8::internal::SnapshotByteSink::PutBlob	(	byte *	data,
		int	number_of_bytes,
		const char *	description
	)

Definition at line 62 of file snapshot-source-sink.cc.

                                                        {
  PutInt(number_of_bytes, description);
  PutRaw(data, number_of_bytes, description);
}

Referenced by SnapshotWriter::MaybeWriteStartupBlob().

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PutInt()

void v8::internal::SnapshotByteSink::PutInt	(	uintptr_t	integer,
		const char *	description
	)

Definition at line 41 of file snapshot-source-sink.cc.

                                                                        {
  DCHECK(integer < 1 << 30);
  integer <<= 2;
  int bytes = 1;
  if (integer > 0xff) bytes = 2;
  if (integer > 0xffff) bytes = 3;
  if (integer > 0xffffff) bytes = 4;
  integer |= (bytes - 1);
  Put(static_cast<int>(integer & 0xff), "IntPart1");
  if (bytes > 1) Put(static_cast<int>((integer >> 8) & 0xff), "IntPart2");
  if (bytes > 2) Put(static_cast<int>((integer >> 16) & 0xff), "IntPart3");
  if (bytes > 3) Put(static_cast<int>((integer >> 24) & 0xff), "IntPart4");
}

References DCHECK.

Referenced by SnapshotWriter::MaybeWriteStartupBlob(), v8::internal::Serializer::ObjectSerializer::OutputRawData(), v8::internal::Serializer::PutRoot(), v8::internal::Serializer::ObjectSerializer::Serialize(), v8::internal::CodeSerializer::SerializeBuiltin(), v8::internal::CodeSerializer::SerializeCodeStub(), v8::internal::PartialSerializer::SerializeObject(), v8::internal::StartupSerializer::SerializeObject(), v8::internal::CodeSerializer::SerializeObject(), v8::internal::Serializer::SerializeReferenceToPreviousObject(), v8::internal::CodeSerializer::SerializeSourceObject(), v8::internal::Serializer::ObjectSerializer::VisitExternalReference(), v8::internal::Serializer::VisitPointers(), v8::internal::Serializer::ObjectSerializer::VisitPointers(), and v8::internal::Serializer::ObjectSerializer::VisitRuntimeEntry().

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PutRaw()

void v8::internal::SnapshotByteSink::PutRaw	(	byte *	data,
		int	number_of_bytes,
		const char *	description
	)

Definition at line 55 of file snapshot-source-sink.cc.

                                                       {
  for (int i = 0; i < number_of_bytes; ++i) {
    Put(data[i], description);
  }
}

PutSection()

virtual void v8::internal::SnapshotByteSink::PutSection ( int  b, const char *  description  )

inlinevirtual

Definition at line 75 of file snapshot-source-sink.h.

                                                          {
    DCHECK_LE(b, kMaxUInt8);
    Put(static_cast<byte>(b), description);
  }

References DCHECK_LE, v8::internal::kMaxUInt8, and Put().

Referenced by v8::internal::Serializer::ObjectSerializer::OutputRawData(), and v8::internal::Serializer::ObjectSerializer::VisitExternalOneByteString().

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/src/snapshot-source-sink.h
• /mnt/V8SourceCode/src/snapshot-source-sink.cc