v8  3.14.5(node0.10.28)
V8 is Google's open source JavaScript engine
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
SeqAsciiString Class Reference

#include <objects.h>

Inheritance diagram for SeqAsciiString:
Collaboration diagram for SeqAsciiString:

Public Member Functions

uint16_t SeqAsciiStringGet (int index)
 
void SeqAsciiStringSet (int index, uint16_t value)
 
Address GetCharsAddress ()
 
char * GetChars ()
 
int SeqAsciiStringSize (InstanceType instance_type)
 
void SeqAsciiStringReadBlockIntoBuffer (ReadBlockBuffer *buffer, unsigned *offset, unsigned chars)
 
const unibrow::byteSeqAsciiStringReadBlock (unsigned *remaining, unsigned *offset, unsigned chars)
 
- 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)
 
StringTryFlattenGetString (PretenureFlag pretenure=NOT_TENURED)
 
FlatContent GetFlatContent ()
 
StringGetUnderlying ()
 
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< uc16ToWideCString (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 uc16GetTwoByteData ()
 
const uc16GetTwoByteData (unsigned start)
 
- Public Member Functions inherited from HeapObject
Mapmap ()
 
void set_map (Map *value)
 
void set_map_no_write_barrier (Map *value)
 
MapWord map_word ()
 
void set_map_word (MapWord map_word)
 
HeapGetHeap ()
 
IsolateGetIsolate ()
 
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 ()
 
ObjectToBoolean ()
 
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)
 
ObjectGetElementNoExceptionThrown (uint32_t index)
 
MUST_USE_RESULT MaybeObject * GetElementWithReceiver (Object *receiver, uint32_t index)
 
ObjectGetPrototype ()
 
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 SeqAsciiStringcast (Object *obj)
 
static int SizeFor (int length)
 
- Static Public Member Functions inherited from SeqString
static SeqStringcast (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 Stringcast (Object *obj)
 
static const unibrow::byteReadBlock (String *input, unibrow::byte *util_buffer, unsigned capacity, unsigned *remaining, unsigned *offset)
 
static const unibrow::byteReadBlock (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 HeapObjectFromAddress (Address address)
 
static Object ** RawField (HeapObject *obj, int offset)
 
static HeapObjectcast (Object *obj)
 
- Static Public Member Functions inherited from Object
static Handle< ObjectGetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< String > key, PropertyAttributes *attributes)
 
static Handle< ObjectGetElement (Handle< Object > object, uint32_t index)
 
static Objectcast (Object *value)
 

Static Public Attributes

static const bool kHasAsciiEncoding = true
 
static const int kMaxSize = 512 * MB - 1
 
static const int kMaxLength = (kMaxSize - kHeaderSize)
 
- Static Public Attributes inherited from SeqString
static const int kHeaderSize = String::kSize
 
- 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::byteReadBlock (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 7526 of file objects.h.

Member Function Documentation

Address GetCharsAddress ( )
inline

Definition at line 2510 of file objects-inl.h.

References FIELD_ADDR, and FixedArrayBase::kHeaderSize.

uint16_t SeqAsciiStringGet ( int  index)
inline
const unibrow::byte * SeqAsciiStringReadBlock ( unsigned *  remaining,
unsigned *  offset,
unsigned  chars 
)
inline
void SeqAsciiStringReadBlockIntoBuffer ( ReadBlockBuffer buffer,
unsigned *  offset,
unsigned  chars 
)
inline
void SeqAsciiStringSet ( int  index,
uint16_t  value 
)
inline
int SeqAsciiStringSize ( InstanceType  instance_type)
inline

Definition at line 2547 of file objects-inl.h.

References FixedArrayBase::length(), and FixedArray::SizeFor().

static int SizeFor ( int  length)
inlinestatic

Field Documentation

const bool kHasAsciiEncoding = true
static

Definition at line 7528 of file objects.h.

const int kMaxSize = 512 * MB - 1
static

Definition at line 7553 of file objects.h.

Referenced by Heap::AllocateRawAsciiString().


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