v8::internal::String::FlatContent Class Reference

#include <objects.h>

Collaboration diagram for v8::internal::String::FlatContent:

Public Member Functions
bool	IsFlat ()
bool	IsOneByte ()
bool	IsTwoByte ()
Vector< const uint8_t >	ToOneByteVector ()
Vector< const uc16 >	ToUC16Vector ()
uc16	Get (int i)

Private Types
enum	State { NON_FLAT , ONE_BYTE , TWO_BYTE }

Private Member Functions
	FlatContent (const uint8_t *start, int length)
	FlatContent (const uc16 *start, int length)
	FlatContent ()

Private Attributes
union {
const uint8_t *   onebyte_start
const uc16 *   twobyte_start
};
int	length_
State	state_

Friends
class	String

Detailed Description

Definition at line 8628 of file objects.h.

Member Enumeration Documentation

State

enum v8::internal::String::FlatContent::State

private

Enumerator
NON_FLAT
ONE_BYTE
TWO_BYTE

Definition at line 8658 of file objects.h.

{ NON_FLAT, ONE_BYTE, TWO_BYTE };

Constructor & Destructor Documentation

FlatContent() [1/3]

v8::internal::String::FlatContent::FlatContent ( const uint8_t *  start, int  length  )

inlineexplicitprivate

Definition at line 8661 of file objects.h.

        : onebyte_start(start), length_(length), state_(ONE_BYTE) {}

FlatContent() [2/3]

v8::internal::String::FlatContent::FlatContent ( const uc16 *  start, int  length  )

inlineexplicitprivate

Definition at line 8663 of file objects.h.

        : twobyte_start(start), length_(length), state_(TWO_BYTE) { }

FlatContent() [3/3]

v8::internal::String::FlatContent::FlatContent ( )

inlineprivate

Definition at line 8665 of file objects.h.

: onebyte_start(NULL), length_(0), state_(NON_FLAT) { }

Member Function Documentation

Get()

uc16 v8::internal::String::FlatContent::Get ( int  i )

inline

Definition at line 8650 of file objects.h.

                    {
      DCHECK(i < length_);
      DCHECK(state_ != NON_FLAT);
      if (state_ == ONE_BYTE) return onebyte_start[i];
      return twobyte_start[i];
    }

References DCHECK.

Referenced by v8::internal::RUNTIME_FUNCTION(), and v8::internal::String::SlowEquals().

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IsFlat()

bool v8::internal::String::FlatContent::IsFlat ( )

inline

Definition at line 8631 of file objects.h.

{ return state_ != NON_FLAT; }

Referenced by v8::internal::RegExpImpl::AtomExecRaw(), v8::internal::String::CalculateLineEnds(), v8::internal::CompiledReplacement::Compile(), v8::internal::ConvertCase(), v8::internal::FindStringIndicesDispatch(), and v8::internal::FlatStringReader::PostGarbageCollection().

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IsOneByte()

bool v8::internal::String::FlatContent::IsOneByte ( )

inline

Definition at line 8633 of file objects.h.

{ return state_ == ONE_BYTE; }

Referenced by v8::internal::RegExpImpl::AtomExecRaw(), v8::internal::String::CalculateLineEnds(), v8::internal::CompiledReplacement::Compile(), v8::internal::FindStringIndicesDispatch(), v8::internal::GetCharVector(), v8::internal::AstValueFactory::GetString(), v8::internal::String::IsOneByteEqualTo(), v8::internal::IrregexpInterpreter::Match(), v8::internal::BASE_EMBEDDED< Visitor >::ParseJsonString(), v8::internal::FlatStringReader::PostGarbageCollection(), v8::internal::RUNTIME_FUNCTION(), v8::internal::String::SlowEquals(), v8::internal::Runtime::StringMatch(), and v8::internal::StringToDouble().

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IsTwoByte()

bool v8::internal::String::FlatContent::IsTwoByte ( )

inline

Definition at line 8635 of file objects.h.

{ return state_ == TWO_BYTE; }

Referenced by v8::internal::CompiledReplacement::Compile(), v8::internal::AstValueFactory::GetString(), v8::internal::String::IsTwoByteEqualTo(), v8::internal::IrregexpInterpreter::Match(), and v8::internal::RUNTIME_FUNCTION().

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ToOneByteVector()

Vector<const uint8_t> v8::internal::String::FlatContent::ToOneByteVector ( )

inline

Definition at line 8639 of file objects.h.

                                            {
      DCHECK_EQ(ONE_BYTE, state_);
      return Vector<const uint8_t>(onebyte_start, length_);
    }

References DCHECK_EQ.

Referenced by v8::internal::RegExpImpl::AtomExecRaw(), v8::internal::String::CalculateLineEnds(), v8::internal::CompiledReplacement::Compile(), v8::internal::ConvertCase(), v8::internal::FindStringIndicesDispatch(), v8::internal::GetCharVector(), v8::internal::AstValueFactory::GetString(), v8::internal::String::IsOneByteEqualTo(), v8::internal::IrregexpInterpreter::Match(), v8::internal::BASE_EMBEDDED< Visitor >::ParseJsonString(), v8::internal::FlatStringReader::PostGarbageCollection(), v8::internal::RUNTIME_FUNCTION(), v8::internal::String::SlowEquals(), v8::internal::Runtime::StringMatch(), and v8::internal::StringToDouble().

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ToUC16Vector()

Vector<const uc16> v8::internal::String::FlatContent::ToUC16Vector ( )

inline

Definition at line 8645 of file objects.h.

                                      {
      DCHECK_EQ(TWO_BYTE, state_);
      return Vector<const uc16>(twobyte_start, length_);
    }

References DCHECK_EQ.

Referenced by v8::internal::RegExpImpl::AtomExecRaw(), v8::internal::String::CalculateLineEnds(), v8::internal::CompiledReplacement::Compile(), v8::internal::FindStringIndicesDispatch(), v8::internal::AstValueFactory::GetString(), v8::internal::String::IsTwoByteEqualTo(), v8::internal::IrregexpInterpreter::Match(), v8::internal::FlatStringReader::PostGarbageCollection(), v8::internal::RUNTIME_FUNCTION(), v8::internal::Runtime::StringMatch(), and v8::internal::StringToDouble().

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Friends And Related Function Documentation

String

friend class String

friend

Definition at line 8674 of file objects.h.

Member Data Documentation

union { ... }

length_

int v8::internal::String::FlatContent::length_

private

Definition at line 8671 of file objects.h.

onebyte_start

const uint8_t* v8::internal::String::FlatContent::onebyte_start

Definition at line 8668 of file objects.h.

state_

State v8::internal::String::FlatContent::state_

private

Definition at line 8672 of file objects.h.

twobyte_start

const uc16* v8::internal::String::FlatContent::twobyte_start

Definition at line 8669 of file objects.h.

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

• /mnt/V8SourceCode/src/objects.h