#include <objects.h>

Inheritance diagram for HeapNumber:

Collaboration diagram for HeapNumber:

Public Member Functions
double	value ()

void	set_value (double value)

bool	HeapNumberBooleanValue ()

void	HeapNumberPrint (FILE *out=stdout)

void	HeapNumberPrint (StringStream *accumulator)

int	get_exponent ()

int	get_sign ()

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 DisallowHeapAllocation &promise)

void	HeapObjectShortPrint (StringStream *accumulator)

	STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)

Public Member Functions inherited from Object
bool	IsObject ()

bool	IsFixedArrayBase ()

bool	IsExternal ()

bool	IsAccessorInfo ()

bool	IsStruct ()

	INLINE (bool IsSpecObject())

	INLINE (bool IsSpecFunction())

bool	IsCallable ()

	INLINE (bool IsUndefined())

	INLINE (bool IsNull())

	INLINE (bool IsTheHole())

	INLINE (bool IsUninitialized())

	INLINE (bool IsTrue())

	INLINE (bool IsFalse())

bool	IsArgumentsMarker ()

bool	NonFailureIsHeapObject ()

bool	IsFiller ()

double	Number ()

bool	IsNaN ()

bool	ToInt32 (int32_t *value)

bool	ToUint32 (uint32_t *value)

Representation	OptimalRepresentation (ValueType type=OPTIMAL_REPRESENTATION)

bool	FitsRepresentation (Representation representation)

MaybeObject *	AllocateNewStorageFor (Heap *heap, Representation representation)

bool	HasValidElements ()

bool	HasSpecificClassOf (String *name)

MUST_USE_RESULT MaybeObject *	ToObject (Isolate *isolate)

bool	BooleanValue ()

MUST_USE_RESULT MaybeObject *	ToObject (Context *native_context)

MUST_USE_RESULT MaybeObject *	ToSmi ()

void	Lookup (Name name, LookupResult result)

MUST_USE_RESULT MaybeObject *	GetProperty (Name *key)

MUST_USE_RESULT MaybeObject *	GetProperty (Name key, PropertyAttributes attributes)

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

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

MUST_USE_RESULT MaybeObject *	GetPropertyWithDefinedGetter (Object receiver, JSReceiver getter)

Object *	GetPrototype (Isolate *isolate)

Map *	GetMarkerMap (Isolate *isolate)

Object *	GetHash ()

bool	SameValue (Object *other)

bool	ToArrayIndex (uint32_t *index)

bool	IsStringObjectWithCharacterAt (uint32_t index)

void	VerifyApiCallResultType ()

void	ShortPrint (FILE *out=stdout)

void	ShortPrint (StringStream *accumulator)

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

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

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

static void	UpdateMapCodeCache (Handle< HeapObject > object, Handle< Name > name, Handle< Code > code)

static HeapObject *	cast (Object *obj)

Static Public Member Functions inherited from Object
static MUST_USE_RESULT Handle < Object >	ToSmi (Isolate *isolate, Handle< Object > object)

static Handle< Object >	GetPropertyWithReceiver (Handle< Object > object, Handle< Object > receiver, Handle< Name > name, PropertyAttributes *attributes)

static Handle< Object >	GetProperty (Handle< Object > object, Handle< Name > key)

static Handle< Object >	GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult result, Handle< Name > key, PropertyAttributes attributes)

static MUST_USE_RESULT MaybeObject *	GetPropertyOrFail (Handle< Object > object, Handle< Object > receiver, LookupResult result, Handle< Name > key, PropertyAttributes attributes)

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

static Handle< Object >	GetElementNoExceptionThrown (Isolate *isolate, Handle< Object > object, uint32_t index)

static Handle< Object >	GetElementWithReceiver (Isolate *isolate, Handle< Object > object, Handle< Object > receiver, uint32_t index)

static Handle< Object >	GetOrCreateHash (Handle< Object > object, Isolate *isolate)

static Object *	cast (Object *value)

Static Public Attributes
static const int	kValueOffset = HeapObject::kHeaderSize

static const int	kMantissaOffset = kValueOffset

static const int	kExponentOffset = kValueOffset + 4

static const int	kSize = kValueOffset + kDoubleSize

static const uint32_t	kSignMask = 0x80000000u

static const uint32_t	kExponentMask = 0x7ff00000u

static const uint32_t	kMantissaMask = 0xfffffu

static const int	kMantissaBits = 52

static const int	kExponentBits = 11

static const int	kExponentBias = 1023

static const int	kExponentShift = 20

static const int	kInfinityOrNanExponent

static const int	kMantissaBitsInTopWord = 20

static const int	kNonMantissaBitsInTopWord = 12

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
Public Types inherited from Object
enum	ValueType { OPTIMAL_REPRESENTATION, FORCE_TAGGED }

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

void	IteratePointer (ObjectVisitor *v, int offset)

void	IterateNextCodeLink (ObjectVisitor *v, int offset)