v8::internal::StringCharacterStream Class Reference

#include <objects.h>

Collaboration diagram for v8::internal::StringCharacterStream:

Public Member Functions
	StringCharacterStream (String *string, ConsStringIteratorOp *op, int offset=0)
uint16_t	GetNext ()
bool	HasMore ()
void	Reset (String *string, int offset=0)
void	VisitOneByteString (const uint8_t *chars, int length)
void	VisitTwoByteString (const uint16_t *chars, int length)

Private Member Functions
	DISALLOW_COPY_AND_ASSIGN (StringCharacterStream)

Private Attributes
bool	is_one_byte_
union {
const uint8_t *   buffer8_
const uint16_t *   buffer16_
};
const uint8_t *	end_
ConsStringIteratorOp *	op_

Detailed Description

Definition at line 9334 of file objects.h.

Constructor & Destructor Documentation

StringCharacterStream()

v8::internal::StringCharacterStream::StringCharacterStream ( String *  string, ConsStringIteratorOp *  op, int  offset = 0  )

inline

Definition at line 3685 of file objects-inl.h.

  : is_one_byte_(false),
    op_(op) {
  Reset(string, offset);
}

References Reset().

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Member Function Documentation

DISALLOW_COPY_AND_ASSIGN()

v8::internal::StringCharacterStream::DISALLOW_COPY_AND_ASSIGN ( StringCharacterStream  )

private

GetNext()

uint16_t v8::internal::StringCharacterStream::GetNext ( )

inline

Definition at line 3676 of file objects-inl.h.

                                        {
  DCHECK(buffer8_ != NULL && end_ != NULL);
  // Advance cursor if needed.
  if (buffer8_ == end_) HasMore();
  DCHECK(buffer8_ < end_);
  return is_one_byte_ ? *buffer8_++ : *buffer16_++;
}

References DCHECK, and NULL.

Referenced by v8::internal::ConvertCaseHelper(), v8::internal::anonymous_namespace{conversions.cc}::StringCharacterStreamIterator::operator++(), v8::internal::CodeGenerator::PrintCode(), v8::internal::String::PrintUC16(), v8::internal::RUNTIME_FUNCTION(), v8::internal::String::StringShortPrint(), v8::internal::String::ToCString(), and v8::internal::String::ToWideCString().

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HasMore()

bool v8::internal::StringCharacterStream::HasMore ( )

inline

Definition at line 3706 of file objects-inl.h.

                                    {
  if (buffer8_ != end_) return true;
  int offset;
  String* string = op_->Next(&offset);
  DCHECK_EQ(offset, 0);
  if (string == NULL) return false;
  String::VisitFlat(this, string);
  DCHECK(buffer8_ != end_);
  return true;
}

References buffer8_, DCHECK, DCHECK_EQ, end_, v8::internal::ConsStringIteratorOp::Next(), NULL, op_, and v8::internal::String::VisitFlat().

Referenced by v8::internal::ConvertCaseHelper(), v8::internal::anonymous_namespace{conversions.cc}::StringCharacterStreamIterator::operator++(), v8::internal::CodeGenerator::PrintCode(), v8::internal::String::PrintUC16(), v8::internal::RUNTIME_FUNCTION(), v8::internal::String::ToCString(), and v8::internal::String::ToWideCString().

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Reset()

void v8::internal::StringCharacterStream::Reset ( String *  string, int  offset = 0  )

inline

Definition at line 3694 of file objects-inl.h.

                                                            {
  buffer8_ = NULL;
  end_ = NULL;
  ConsString* cons_string = String::VisitFlat(this, string, offset);
  op_->Reset(cons_string, offset);
  if (cons_string != NULL) {
    string = op_->Next(&offset);
    if (string != NULL) String::VisitFlat(this, string, offset);
  }
}

References buffer8_, end_, v8::internal::ConsStringIteratorOp::Next(), NULL, op_, v8::internal::ConsStringIteratorOp::Reset(), and v8::internal::String::VisitFlat().

Referenced by StringCharacterStream(), v8::internal::String::StringShortPrint(), and v8::internal::String::ToCString().

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VisitOneByteString()

void v8::internal::StringCharacterStream::VisitOneByteString ( const uint8_t *  chars, int  length  )

inline

Definition at line 3718 of file objects-inl.h.

                                      {
  is_one_byte_ = true;
  buffer8_ = chars;
  end_ = chars + length;
}

References buffer8_, end_, and is_one_byte_.

VisitTwoByteString()

void v8::internal::StringCharacterStream::VisitTwoByteString ( const uint16_t *  chars, int  length  )

inline

Definition at line 3726 of file objects-inl.h.

                                       {
  is_one_byte_ = false;
  buffer16_ = chars;
  end_ = reinterpret_cast<const uint8_t*>(chars + length);
}

References buffer16_, end_, and is_one_byte_.

Member Data Documentation

union { ... }

buffer16_

const uint16_t* v8::internal::StringCharacterStream::buffer16_

Definition at line 9349 of file objects.h.

Referenced by VisitTwoByteString().

buffer8_

const uint8_t* v8::internal::StringCharacterStream::buffer8_

Definition at line 9348 of file objects.h.

Referenced by HasMore(), Reset(), and VisitOneByteString().

end_

const uint8_t* v8::internal::StringCharacterStream::end_

private

Definition at line 9351 of file objects.h.

Referenced by HasMore(), Reset(), VisitOneByteString(), and VisitTwoByteString().

is_one_byte_

bool v8::internal::StringCharacterStream::is_one_byte_

private

Definition at line 9346 of file objects.h.

Referenced by VisitOneByteString(), and VisitTwoByteString().

op_

ConsStringIteratorOp* v8::internal::StringCharacterStream::op_

private

Definition at line 9352 of file objects.h.

Referenced by HasMore(), and Reset().

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

• /mnt/V8SourceCode/src/objects.h
• /mnt/V8SourceCode/src/objects-inl.h