#include <objects.h>

Inheritance diagram for ExternalTwoByteString:

Collaboration diagram for ExternalTwoByteString:

Public Types
typedef v8::String::ExternalStringResource	Resource

Public Member Functions
const Resource *	resource ()

void	set_resource (const Resource *buffer)

void	update_data_cache ()

const uint16_t *	GetChars ()

uint16_t	ExternalTwoByteStringGet (int index)

const uint16_t *	ExternalTwoByteStringGetData (unsigned start)

void	ExternalTwoByteStringIterateBody (ObjectVisitor *v)

template<typename StaticVisitor >
void	ExternalTwoByteStringIterateBody ()

void	ExternalTwoByteStringReadBlockIntoBuffer (ReadBlockBuffer buffer, unsigned offset_ptr, unsigned chars)

Public Member Functions inherited from ExternalString
bool	is_short ()

	STATIC_CHECK (kResourceOffset==Internals::kStringResourceOffset)

Public Member Functions inherited from String
int	length ()

void	set_length (int value)

uint32_t	hash_field ()

void	set_hash_field (uint32_t value)

bool	IsAsciiRepresentation ()

bool	IsTwoByteRepresentation ()

bool	IsAsciiRepresentationUnderneath ()

bool	IsTwoByteRepresentationUnderneath ()

bool	HasOnlyAsciiChars ()

void	Set (int index, uint16_t value)

	INLINE (uint16_t Get(int index))

MaybeObject *	TryFlatten (PretenureFlag pretenure=NOT_TENURED)

String *	TryFlattenGetString (PretenureFlag pretenure=NOT_TENURED)

FlatContent	GetFlatContent ()

String *	GetUnderlying ()

bool	MarkAsUndetectable ()

MUST_USE_RESULT MaybeObject *	SubString (int from, int to, PretenureFlag pretenure=NOT_TENURED)

bool	Equals (String *other)

bool	IsEqualTo (Vector< const char > str)

bool	IsAsciiEqualTo (Vector< const char > str)

bool	IsTwoByteEqualTo (Vector< const uc16 > str)

SmartArrayPointer< char >	ToCString (AllowNullsFlag allow_nulls, RobustnessFlag robustness_flag, int offset, int length, int *length_output=0)

SmartArrayPointer< char >	ToCString (AllowNullsFlag allow_nulls=DISALLOW_NULLS, RobustnessFlag robustness_flag=FAST_STRING_TRAVERSAL, int *length_output=0)

SmartArrayPointer< uc16 >	ToWideCString (RobustnessFlag robustness_flag=FAST_STRING_TRAVERSAL)

bool	HasHashCode ()

uint32_t	Hash ()

bool	MakeExternal (v8::String::ExternalStringResource *resource)

bool	MakeExternal (v8::String::ExternalAsciiStringResource *resource)

bool	AsArrayIndex (uint32_t *index)

void	PrintOn (FILE *out)

bool	LooksValid ()

void	StringShortPrint (StringStream *accumulator)

bool	IsFlat ()

	STATIC_CHECK ((kArrayIndexLengthBits > 0))

	STATIC_CHECK (kMaxArrayIndexSize< (1<< kArrayIndexLengthBits))

	STATIC_CHECK (IS_POWER_OF_TWO(kMaxCachedArrayIndexLength+1))

const uc16 *	GetTwoByteData ()

const uc16 *	GetTwoByteData (unsigned start)

Public Member Functions inherited from HeapObject
Map *	map ()

void	set_map (Map *value)

void	set_map_no_write_barrier (Map *value)

MapWord	map_word ()

void	set_map_word (MapWord map_word)

Heap *	GetHeap ()

Isolate *	GetIsolate ()

Address	address ()

void	Iterate (ObjectVisitor *v)

void	IterateBody (InstanceType type, int object_size, ObjectVisitor *v)

int	Size ()

int	SizeFromMap (Map *map)

WriteBarrierMode	GetWriteBarrierMode (const AssertNoAllocation &)

void	HeapObjectShortPrint (StringStream *accumulator)

	STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)

Public Member Functions inherited from Object
bool	IsObject ()

bool	IsFixedArrayBase ()

bool	IsInstanceOf (FunctionTemplateInfo *type)

bool	IsStruct ()

	INLINE (bool IsSpecObject())

	INLINE (bool IsSpecFunction())

	INLINE (bool IsUndefined())

	INLINE (bool IsNull())

	INLINE (bool IsTheHole())

	INLINE (bool IsTrue())

	INLINE (bool IsFalse())

bool	IsArgumentsMarker ()

bool	NonFailureIsHeapObject ()

bool	IsFiller ()

double	Number ()

bool	IsNaN ()

bool	HasValidElements ()

bool	HasSpecificClassOf (String *name)

MUST_USE_RESULT MaybeObject *	ToObject ()

Object *	ToBoolean ()

MUST_USE_RESULT MaybeObject *	ToObject (Context *native_context)

MUST_USE_RESULT MaybeObject *	ToSmi ()

void	Lookup (String name, LookupResult result)

MUST_USE_RESULT MaybeObject *	GetProperty (String *key)

MUST_USE_RESULT MaybeObject *	GetProperty (String key, PropertyAttributes attributes)

MUST_USE_RESULT MaybeObject *	GetPropertyWithReceiver (Object receiver, String key, PropertyAttributes *attributes)

MUST_USE_RESULT MaybeObject *	GetProperty (Object receiver, LookupResult result, String key, PropertyAttributes attributes)

MUST_USE_RESULT MaybeObject *	GetPropertyWithDefinedGetter (Object receiver, JSReceiver getter)

MUST_USE_RESULT MaybeObject *	GetElement (uint32_t index)

Object *	GetElementNoExceptionThrown (uint32_t index)

MUST_USE_RESULT MaybeObject *	GetElementWithReceiver (Object *receiver, uint32_t index)

Object *	GetPrototype ()

MUST_USE_RESULT MaybeObject *	GetHash (CreationFlag flag)

bool	SameValue (Object *other)

bool	ToArrayIndex (uint32_t *index)

bool	IsStringObjectWithCharacterAt (uint32_t index)

void	VerifyApiCallResultType ()

void	ShortPrint ()

void	ShortPrint (FILE *out)

void	ShortPrint (StringStream *accumulator)

Static Public Member Functions
static ExternalTwoByteString *	cast (Object *obj)

Static Public Member Functions inherited from ExternalString
static ExternalString *	cast (Object *obj)

Static Public Member Functions inherited from String
static uint32_t	ComputeHashField (unibrow::CharacterStream *buffer, int length, uint32_t seed)

static bool	ComputeArrayIndex (unibrow::CharacterStream buffer, uint32_t index, int length)

static String *	cast (Object *obj)

static const unibrow::byte *	ReadBlock (String input, unibrow::byte util_buffer, unsigned capacity, unsigned remaining, unsigned offset)

static const unibrow::byte *	ReadBlock (String *input, unibrow::byte util_buffer, unsigned capacity, unsigned remaining, unsigned offset)

template<typename sinkchar >
static void	WriteToFlat (String source, sinkchar sink, int from, int to)

static int	NonAsciiStart (const char *chars, int length)

static bool	IsAscii (const char *chars, int length)

static int	NonAsciiStart (const uc16 *chars, int length)

static bool	IsAscii (const uc16 *chars, int length)

Static Public Member Functions inherited from HeapObject
static HeapObject *	FromAddress (Address address)

static Object **	RawField (HeapObject *obj, int offset)

static HeapObject *	cast (Object *obj)

Static Public Member Functions inherited from Object
static Handle< Object >	GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult result, Handle< String > key, PropertyAttributes attributes)

static Handle< Object >	GetElement (Handle< Object > object, uint32_t index)

static Object *	cast (Object *value)

Static Public Attributes
static const bool	kHasAsciiEncoding = false

Static Public Attributes inherited from ExternalString
static const int	kResourceOffset = POINTER_SIZE_ALIGN(String::kSize)

static const int	kShortSize = kResourceOffset + kPointerSize

static const int	kResourceDataOffset = kResourceOffset + kPointerSize

static const int	kSize = kResourceDataOffset + kPointerSize

Static Public Attributes inherited from String
static const int	kLengthOffset = HeapObject::kHeaderSize

static const int	kHashFieldOffset = kLengthOffset + kPointerSize

static const int	kSize = kHashFieldOffset + kPointerSize

static const int	kMaxArrayIndexSize = 10

static const int	kMaxAsciiCharCode = unibrow::Utf8::kMaxOneByteChar

static const unsigned	kMaxAsciiCharCodeU = unibrow::Utf8::kMaxOneByteChar

static const int	kMaxUtf16CodeUnit = 0xffff

static const int	kHashNotComputedMask = 1

static const int	kIsNotArrayIndexMask = 1 << 1

static const int	kNofHashBitFields = 2

static const int	kHashShift = kNofHashBitFields

static const uint32_t	kHashBitMask = 0xffffffffu >> kHashShift

static const int	kMaxCachedArrayIndexLength = 7

static const int	kArrayIndexValueBits = 24

static const int	kArrayIndexLengthBits

static const int	kArrayIndexHashLengthShift

static const int	kArrayIndexHashMask = (1 << kArrayIndexHashLengthShift) - 1

static const int	kArrayIndexValueMask

static const int	kContainsCachedArrayIndexMask

static const int	kEmptyHashField

static const int	kEmptyStringHash = kIsNotArrayIndexMask

static const int	kMaxLength = (1 << (32 - 2)) - 1

static const int	kMaxHashCalcLength = 16383

static const int	kMaxShortPrintLength = 1024

Static Public Attributes inherited from HeapObject
static const int	kMapOffset = Object::kHeaderSize

static const int	kHeaderSize = kMapOffset + kPointerSize

Static Public Attributes inherited from Object
static const int	kHeaderSize = 0

Additional Inherited Members
Protected Member Functions inherited from HeapObject
void	IteratePointers (ObjectVisitor *v, int start, int end)

void	IteratePointer (ObjectVisitor *v, int offset)

Static Protected Member Functions inherited from String
static const unibrow::byte *	ReadBlock (String input, ReadBlockBuffer buffer, unsigned *offset, unsigned max_chars)

static void	ReadBlockIntoBuffer (String input, ReadBlockBuffer buffer, unsigned *offset_ptr, unsigned max_chars)

Detailed Description

Definition at line 7807 of file objects.h.

Member Typedef Documentation

typedef v8::String::ExternalStringResource Resource

Definition at line 7811 of file objects.h.

Member Function Documentation

static ExternalTwoByteString* cast ( Object * obj )

inlinestatic

Referenced by Heap::AllocateExternalStringFromTwoByte(), String::GetFlatContent(), String::GetTwoByteData(), Script::HasValidSource(), String::MakeExternal(), GlobalHandles::Node::PostGarbageCollectionProcessing(), String::ReadBlock(), String::ReadBlockIntoBuffer(), NativeRegExpMacroAssembler::StringCharacterPosition(), TEST(), and String::WriteToFlat().

uint16_t ExternalTwoByteStringGet ( int index )

inline

Definition at line 2663 of file objects-inl.h.

References ASSERT, and FixedArrayBase::length().

const uint16_t * ExternalTwoByteStringGetData ( unsigned start )

inline

Definition at line 2669 of file objects-inl.h.

void ExternalTwoByteStringIterateBody ( ObjectVisitor * v )

inline

Definition at line 5487 of file objects-inl.h.

References FIELD_ADDR.

void ExternalTwoByteStringIterateBody ( )

inline

Definition at line 5495 of file objects-inl.h.

References FIELD_ADDR.

void ExternalTwoByteStringReadBlockIntoBuffer	(	ReadBlockBuffer *	buffer,
		unsigned *	offset_ptr,
		unsigned	chars
	)

Definition at line 6476 of file objects.cc.

References String::ReadBlockBuffer::capacity, String::ReadBlockBuffer::cursor, CharacterStream::EncodeAsciiCharacter(), CharacterStream::EncodeNonAsciiCharacter(), v8::internal::kMaxAsciiCharCode, String::ReadBlockBuffer::remaining, and String::ReadBlockBuffer::util_buffer.

const uint16_t * GetChars ( )

inline

Definition at line 2658 of file objects-inl.h.

Referenced by String::GetFlatContent(), NativeRegExpMacroAssembler::StringCharacterPosition(), and String::WriteToFlat().

const ExternalTwoByteString::Resource * resource ( )

inline

Definition at line 2637 of file objects-inl.h.

References FIELD_ADDR.

Referenced by Script::HasValidSource(), and GlobalHandles::Node::PostGarbageCollectionProcessing().

void set_resource ( const Resource * buffer )

inline

Definition at line 2650 of file objects-inl.h.

References FIELD_ADDR, and v8::internal::NULL.

Referenced by Heap::AllocateExternalStringFromTwoByte().

void update_data_cache ( )

inline

Definition at line 2642 of file objects-inl.h.

References FIELD_ADDR.

Field Documentation

const bool kHasAsciiEncoding = false

static

Definition at line 7809 of file objects.h.

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

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Member Function Documentation

Field Documentation