Internals Class Reference

#include <v8.h>

Static Public Member Functions
static bool	HasHeapObjectTag (internal::Object *value)
static bool	HasSmiTag (internal::Object *value)
static int	SmiValue (internal::Object *value)
static int	GetInstanceType (internal::Object *obj)
static int	GetOddballKind (internal::Object *obj)
static void *	GetExternalPointerFromSmi (internal::Object *value)
static void *	GetExternalPointer (internal::Object *obj)
static bool	IsExternalTwoByteString (int instance_type)
static bool	IsInitialized (v8::Isolate *isolate)
static void	SetEmbedderData (v8::Isolate *isolate, void *data)
static void *	GetEmbedderData (v8::Isolate *isolate)
static internal::Object **	GetRoot (v8::Isolate *isolate, int index)
template<typename T >
static T	ReadField (Object *ptr, int offset)
static bool	CanCastToHeapObject (void *o)
static bool	CanCastToHeapObject (Context *o)
static bool	CanCastToHeapObject (String *o)
static bool	CanCastToHeapObject (Object *o)
static bool	CanCastToHeapObject (Message *o)
static bool	CanCastToHeapObject (StackTrace *o)
static bool	CanCastToHeapObject (StackFrame *o)

Static Public Attributes
static const int	kHeapObjectMapOffset = 0
static const int	kMapInstanceTypeOffset = 1 * kApiPointerSize + kApiIntSize
static const int	kStringResourceOffset = 3 * kApiPointerSize
static const int	kOddballKindOffset = 3 * kApiPointerSize
static const int	kForeignAddressOffset = kApiPointerSize
static const int	kJSObjectHeaderSize = 3 * kApiPointerSize
static const int	kFullStringRepresentationMask = 0x07
static const int	kExternalTwoByteRepresentationTag = 0x02
static const int	kIsolateStateOffset = 0
static const int	kIsolateEmbedderDataOffset = 1 * kApiPointerSize
static const int	kIsolateRootsOffset = 3 * kApiPointerSize
static const int	kUndefinedValueRootIndex = 5
static const int	kNullValueRootIndex = 7
static const int	kTrueValueRootIndex = 8
static const int	kFalseValueRootIndex = 9
static const int	kEmptySymbolRootIndex = 128
static const int	kJSObjectType = 0xaa
static const int	kFirstNonstringType = 0x80
static const int	kOddballType = 0x82
static const int	kForeignType = 0x85
static const int	kUndefinedOddballKind = 5
static const int	kNullOddballKind = 3

Detailed Description

This class exports constants and functionality from within v8 that is necessary to implement inline functions in the v8 api. Don't depend on functions and constants defined here.

Definition at line 3910 of file v8.h.

Member Function Documentation

CanCastToHeapObject() [1/7]

static bool CanCastToHeapObject ( Context *  o )

inlinestatic

Definition at line 4014 of file v8.h.

CanCastToHeapObject() [2/7]

static bool CanCastToHeapObject ( Message *  o )

inlinestatic

Definition at line 4017 of file v8.h.

CanCastToHeapObject() [3/7]

static bool CanCastToHeapObject ( Object *  o )

inlinestatic

Definition at line 4016 of file v8.h.

CanCastToHeapObject() [4/7]

static bool CanCastToHeapObject ( StackFrame *  o )

inlinestatic

Definition at line 4019 of file v8.h.

CanCastToHeapObject() [5/7]

static bool CanCastToHeapObject ( StackTrace *  o )

inlinestatic

Definition at line 4018 of file v8.h.

CanCastToHeapObject() [6/7]

static bool CanCastToHeapObject ( String *  o )

inlinestatic

Definition at line 4015 of file v8.h.

CanCastToHeapObject() [7/7]

static bool CanCastToHeapObject ( void *  o )

inlinestatic

Definition at line 4013 of file v8.h.

GetEmbedderData()

static void* GetEmbedderData ( v8::Isolate *  isolate )

inlinestatic

Definition at line 3996 of file v8.h.

References Internals::kIsolateEmbedderDataOffset.

Referenced by Isolate::GetData().

GetExternalPointer()

static void* GetExternalPointer ( internal::Object *  obj )

inlinestatic

Definition at line 3970 of file v8.h.

References Internals::GetExternalPointerFromSmi(), Internals::GetInstanceType(), Internals::HasSmiTag(), Internals::kForeignAddressOffset, Internals::kForeignType, and Internals::ReadField().

Referenced by Object::GetPointerFromInternalField().

GetExternalPointerFromSmi()

static void* GetExternalPointerFromSmi ( internal::Object *  value )

inlinestatic

Definition at line 3965 of file v8.h.

References v8::internal::kPointerToSmiShift.

Referenced by Internals::GetExternalPointer().

GetInstanceType()

static int GetInstanceType ( internal::Object *  obj )

inlinestatic

Definition at line 3954 of file v8.h.

References Internals::kHeapObjectMapOffset, Internals::kMapInstanceTypeOffset, and Internals::ReadField().

Referenced by Internals::GetExternalPointer(), String::GetExternalStringResource(), and Object::GetPointerFromInternalField().

GetOddballKind()

static int GetOddballKind ( internal::Object *  obj )

inlinestatic

Definition at line 3960 of file v8.h.

References Internals::kOddballKindOffset, Internals::ReadField(), and Internals::SmiValue().

GetRoot()

static internal::Object** GetRoot ( v8::Isolate *  isolate, int  index  )

inlinestatic

Definition at line 4002 of file v8.h.

References v8::internal::kApiPointerSize, and Internals::kIsolateRootsOffset.

Referenced by String::Empty(), v8::False(), v8::Null(), v8::True(), and v8::Undefined().

HasHeapObjectTag()

static bool HasHeapObjectTag ( internal::Object *  value )

inlinestatic

Definition at line 3941 of file v8.h.

References v8::internal::kHeapObjectTag, and v8::internal::kHeapObjectTagMask.

HasSmiTag()

static bool HasSmiTag ( internal::Object *  value )

inlinestatic

Definition at line 3946 of file v8.h.

References v8::internal::kSmiTag, and v8::internal::kSmiTagMask.

Referenced by Internals::GetExternalPointer().

IsExternalTwoByteString()

static bool IsExternalTwoByteString ( int  instance_type )

inlinestatic

Definition at line 3980 of file v8.h.

References Internals::kExternalTwoByteRepresentationTag, and Internals::kFullStringRepresentationMask.

Referenced by String::GetExternalStringResource().

IsInitialized()

static bool IsInitialized ( v8::Isolate *  isolate )

inlinestatic

Definition at line 3985 of file v8.h.

References Internals::kIsolateStateOffset.

Referenced by String::Empty(), v8::False(), v8::Null(), v8::True(), and v8::Undefined().

ReadField()

static T ReadField ( Object *  ptr, int  offset  )

inlinestatic

Definition at line 4008 of file v8.h.

References v8::internal::kHeapObjectTag.

Referenced by Internals::GetExternalPointer(), String::GetExternalStringResource(), Internals::GetInstanceType(), Internals::GetOddballKind(), and Object::GetPointerFromInternalField().

SetEmbedderData()

static void SetEmbedderData ( v8::Isolate *  isolate, void *  data  )

inlinestatic

Definition at line 3990 of file v8.h.

References Internals::kIsolateEmbedderDataOffset.

Referenced by Isolate::SetData().

SmiValue()

static int SmiValue ( internal::Object *  value )

inlinestatic

Definition at line 3950 of file v8.h.

References SmiTagging< 8 >::SmiToInt().

Referenced by Internals::GetOddballKind().

Field Documentation

kEmptySymbolRootIndex

const int kEmptySymbolRootIndex = 128

static

Definition at line 3931 of file v8.h.

Referenced by String::Empty().

kExternalTwoByteRepresentationTag

const int kExternalTwoByteRepresentationTag = 0x02

static

Definition at line 3922 of file v8.h.

Referenced by Internals::IsExternalTwoByteString().

kFalseValueRootIndex

const int kFalseValueRootIndex = 9

static

Definition at line 3930 of file v8.h.

Referenced by v8::False().

kFirstNonstringType

const int kFirstNonstringType = 0x80

static

Definition at line 3934 of file v8.h.

kForeignAddressOffset

const int kForeignAddressOffset = kApiPointerSize

static

Definition at line 3919 of file v8.h.

Referenced by Internals::GetExternalPointer().

kForeignType

const int kForeignType = 0x85

static

Definition at line 3936 of file v8.h.

Referenced by Internals::GetExternalPointer().

kFullStringRepresentationMask

const int kFullStringRepresentationMask = 0x07

static

Definition at line 3921 of file v8.h.

Referenced by Internals::IsExternalTwoByteString().

kHeapObjectMapOffset

const int kHeapObjectMapOffset = 0

static

Definition at line 3914 of file v8.h.

Referenced by Internals::GetInstanceType().

kIsolateEmbedderDataOffset

const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize

static

Definition at line 3925 of file v8.h.

Referenced by Internals::GetEmbedderData(), and Internals::SetEmbedderData().

kIsolateRootsOffset

const int kIsolateRootsOffset = 3 * kApiPointerSize

static

Definition at line 3926 of file v8.h.

Referenced by Internals::GetRoot().

kIsolateStateOffset

const int kIsolateStateOffset = 0

static

Definition at line 3924 of file v8.h.

Referenced by Internals::IsInitialized().

kJSObjectHeaderSize

const int kJSObjectHeaderSize = 3 * kApiPointerSize

static

Definition at line 3920 of file v8.h.

Referenced by Object::GetPointerFromInternalField().

kJSObjectType

const int kJSObjectType = 0xaa

static

Definition at line 3933 of file v8.h.

Referenced by Object::GetPointerFromInternalField().

kMapInstanceTypeOffset

const int kMapInstanceTypeOffset = 1 * kApiPointerSize + kApiIntSize

static

Definition at line 3915 of file v8.h.

Referenced by Internals::GetInstanceType().

kNullOddballKind

const int kNullOddballKind = 3

static

Definition at line 3939 of file v8.h.

kNullValueRootIndex

const int kNullValueRootIndex = 7

static

Definition at line 3928 of file v8.h.

Referenced by v8::Null().

kOddballKindOffset

const int kOddballKindOffset = 3 * kApiPointerSize

static

Definition at line 3918 of file v8.h.

Referenced by Internals::GetOddballKind().

kOddballType

const int kOddballType = 0x82

static

Definition at line 3935 of file v8.h.

kStringResourceOffset

const int kStringResourceOffset = 3 * kApiPointerSize

static

Definition at line 3916 of file v8.h.

Referenced by String::GetExternalStringResource().

kTrueValueRootIndex

const int kTrueValueRootIndex = 8

static

Definition at line 3929 of file v8.h.

Referenced by v8::True().

kUndefinedOddballKind

const int kUndefinedOddballKind = 5

static

Definition at line 3938 of file v8.h.

kUndefinedValueRootIndex

const int kUndefinedValueRootIndex = 5

static

Definition at line 3927 of file v8.h.

Referenced by v8::Undefined().

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

• include/v8.h