v8  4.6.85(node5.12.0)
V8 is Google's open source JavaScript engine
Internals Class Reference

#include <v8.h>

Static Public Member Functions

static V8_EXPORT void CheckInitializedImpl (v8::Isolate *isolate)
 
static V8_INLINE void CheckInitialized (v8::Isolate *isolate)
 
static V8_INLINE bool HasHeapObjectTag (const internal::Object *value)
 
static V8_INLINE int SmiValue (const internal::Object *value)
 
static V8_INLINE internal::Object * IntToSmi (int value)
 
static V8_INLINE bool IsValidSmi (intptr_t value)
 
static V8_INLINE int GetInstanceType (const internal::Object *obj)
 
static V8_INLINE int GetOddballKind (const internal::Object *obj)
 
static V8_INLINE bool IsExternalTwoByteString (int instance_type)
 
static V8_INLINE uint8_t GetNodeFlag (internal::Object **obj, int shift)
 
static V8_INLINE void UpdateNodeFlag (internal::Object **obj, bool value, int shift)
 
static V8_INLINE uint8_t GetNodeState (internal::Object **obj)
 
static V8_INLINE void UpdateNodeState (internal::Object **obj, uint8_t value)
 
static V8_INLINE void SetEmbedderData (v8::Isolate *isolate, uint32_t slot, void *data)
 
static V8_INLINE void * GetEmbedderData (const v8::Isolate *isolate, uint32_t slot)
 
static V8_INLINE internal::Object ** GetRoot (v8::Isolate *isolate, int index)
 
template<typename T >
static V8_INLINEReadField (const internal::Object *ptr, int offset)
 
template<typename T >
static V8_INLINEReadEmbedderData (const v8::Context *context, int index)
 

Static Public Attributes

static const int kHeapObjectMapOffset = 0
 
static const int kMapInstanceTypeAndBitFieldOffset
 
static const int kStringResourceOffset = 3 * kApiPointerSize
 
static const int kOddballKindOffset = 4 * kApiPointerSize
 
static const int kForeignAddressOffset = kApiPointerSize
 
static const int kJSObjectHeaderSize = 3 * kApiPointerSize
 
static const int kFixedArrayHeaderSize = 2 * kApiPointerSize
 
static const int kContextHeaderSize = 2 * kApiPointerSize
 
static const int kContextEmbedderDataIndex = 27
 
static const int kFullStringRepresentationMask = 0x07
 
static const int kStringEncodingMask = 0x4
 
static const int kExternalTwoByteRepresentationTag = 0x02
 
static const int kExternalOneByteRepresentationTag = 0x06
 
static const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize
 
static const int kAmountOfExternalAllocatedMemoryOffset
 
static const int kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset
 
static const int kIsolateRootsOffset
 
static const int kUndefinedValueRootIndex = 5
 
static const int kNullValueRootIndex = 7
 
static const int kTrueValueRootIndex = 8
 
static const int kFalseValueRootIndex = 9
 
static const int kEmptyStringRootIndex = 10
 
static const int kExternalAllocationLimit = 192 * 1024 * 1024
 
static const int kNodeClassIdOffset = 1 * kApiPointerSize
 
static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3
 
static const int kNodeStateMask = 0x7
 
static const int kNodeStateIsWeakValue = 2
 
static const int kNodeStateIsPendingValue = 3
 
static const int kNodeStateIsNearDeathValue = 4
 
static const int kNodeIsIndependentShift = 3
 
static const int kNodeIsPartiallyDependentShift = 4
 
static const int kJSObjectType = 0xb6
 
static const int kFirstNonstringType = 0x80
 
static const int kOddballType = 0x83
 
static const int kForeignType = 0x87
 
static const int kUndefinedOddballKind = 5
 
static const int kNullOddballKind = 3
 
static const uint32_t kNumIsolateDataSlots = 4
 

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 6937 of file v8.h.

Member Function Documentation

static V8_INLINE void CheckInitialized ( v8::Isolate isolate)
inlinestatic

Definition at line 6995 of file v8.h.

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

static V8_EXPORT void CheckInitializedImpl ( v8::Isolate isolate)
static
static V8_INLINE void* GetEmbedderData ( const v8::Isolate isolate,
uint32_t  slot 
)
inlinestatic

Definition at line 7067 of file v8.h.

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

Referenced by Isolate::GetData().

static V8_INLINE uint8_t GetNodeFlag ( internal::Object **  obj,
int  shift 
)
inlinestatic

Definition at line 7036 of file v8.h.

References Internals::kNodeFlagsOffset.

Referenced by PersistentBase< T >::IsIndependent().

static V8_INLINE uint8_t GetNodeState ( internal::Object **  obj)
inlinestatic
static V8_INLINE int GetOddballKind ( const internal::Object *  obj)
inlinestatic
static V8_INLINE bool HasHeapObjectTag ( const internal::Object *  value)
inlinestatic

Definition at line 7001 of file v8.h.

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

static V8_INLINE internal::Object* IntToSmi ( int  value)
inlinestatic

Definition at line 7010 of file v8.h.

References SmiTagging< 8 >::IntToSmi().

Referenced by ReturnValue< T >::Set().

static V8_INLINE bool IsExternalTwoByteString ( int  instance_type)
inlinestatic
static V8_INLINE bool IsValidSmi ( intptr_t  value)
inlinestatic

Definition at line 7014 of file v8.h.

References SmiTagging< 8 >::IsValidSmi().

Referenced by ReturnValue< T >::Set().

static V8_INLINE void SetEmbedderData ( v8::Isolate isolate,
uint32_t  slot,
void *  data 
)
inlinestatic

Definition at line 7059 of file v8.h.

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

Referenced by Isolate::SetData().

static V8_INLINE int SmiValue ( const internal::Object *  value)
inlinestatic

Definition at line 7006 of file v8.h.

References SmiTagging< 8 >::SmiToInt().

Referenced by Internals::GetOddballKind().

static V8_INLINE void UpdateNodeFlag ( internal::Object **  obj,
bool  value,
int  shift 
)
inlinestatic
static V8_INLINE void UpdateNodeState ( internal::Object **  obj,
uint8_t  value 
)
inlinestatic

Definition at line 7053 of file v8.h.

References Internals::kNodeFlagsOffset, and Internals::kNodeStateMask.

Field Documentation

const int kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset
static
const int kAmountOfExternalAllocatedMemoryOffset
static
Initial value:

Definition at line 6958 of file v8.h.

Referenced by Isolate::AdjustAmountOfExternalAllocatedMemory().

const int kContextEmbedderDataIndex = 27
static

Definition at line 6951 of file v8.h.

Referenced by Internals::ReadEmbedderData().

const int kContextHeaderSize = 2 * kApiPointerSize
static

Definition at line 6950 of file v8.h.

Referenced by Internals::ReadEmbedderData().

const int kEmptyStringRootIndex = 10
static

Definition at line 6969 of file v8.h.

Referenced by String::Empty(), and ReturnValue< T >::SetEmptyString().

const int kExternalAllocationLimit = 192 * 1024 * 1024
static

Definition at line 6973 of file v8.h.

Referenced by Isolate::AdjustAmountOfExternalAllocatedMemory().

const int kExternalOneByteRepresentationTag = 0x06
static

Definition at line 6955 of file v8.h.

Referenced by String::GetExternalStringResourceBase().

const int kExternalTwoByteRepresentationTag = 0x02
static
const int kFalseValueRootIndex = 9
static

Definition at line 6968 of file v8.h.

Referenced by v8::False(), and ReturnValue< T >::Set().

const int kFirstNonstringType = 0x80
static

Definition at line 6985 of file v8.h.

const int kFixedArrayHeaderSize = 2 * kApiPointerSize
static

Definition at line 6949 of file v8.h.

Referenced by Internals::ReadEmbedderData().

const int kForeignAddressOffset = kApiPointerSize
static

Definition at line 6947 of file v8.h.

const int kForeignType = 0x87
static

Definition at line 6987 of file v8.h.

const int kFullStringRepresentationMask = 0x07
static
const int kHeapObjectMapOffset = 0
static

Definition at line 6941 of file v8.h.

Referenced by Internals::GetInstanceType().

const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize
static

Definition at line 6957 of file v8.h.

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

const int kIsolateRootsOffset
static
const int kJSObjectHeaderSize = 3 * kApiPointerSize
static

Definition at line 6948 of file v8.h.

Referenced by Object::GetAlignedPointerFromInternalField(), and Object::GetInternalField().

const int kJSObjectType = 0xb6
static

Definition at line 6984 of file v8.h.

Referenced by Object::GetAlignedPointerFromInternalField(), and Object::GetInternalField().

const int kMapInstanceTypeAndBitFieldOffset
static
Initial value:

Definition at line 6942 of file v8.h.

Referenced by Internals::GetInstanceType().

const int kNodeClassIdOffset = 1 * kApiPointerSize
static
const int kNodeFlagsOffset = 1 * kApiPointerSize + 3
static
const int kNodeIsIndependentShift = 3
static
const int kNodeIsPartiallyDependentShift = 4
static

Definition at line 6982 of file v8.h.

Referenced by PersistentBase< T >::MarkPartiallyDependent().

const int kNodeStateIsNearDeathValue = 4
static

Definition at line 6980 of file v8.h.

Referenced by PersistentBase< T >::IsNearDeath().

const int kNodeStateIsPendingValue = 3
static

Definition at line 6979 of file v8.h.

Referenced by PersistentBase< T >::IsNearDeath().

const int kNodeStateIsWeakValue = 2
static

Definition at line 6978 of file v8.h.

Referenced by PersistentBase< T >::IsWeak().

const int kNodeStateMask = 0x7
static

Definition at line 6977 of file v8.h.

Referenced by Internals::GetNodeState(), and Internals::UpdateNodeState().

const int kNullOddballKind = 3
static

Definition at line 6990 of file v8.h.

const int kNullValueRootIndex = 7
static

Definition at line 6966 of file v8.h.

Referenced by v8::Null(), and ReturnValue< T >::SetNull().

const uint32_t kNumIsolateDataSlots = 4
static

Definition at line 6992 of file v8.h.

Referenced by Isolate::GetNumberOfDataSlots().

const int kOddballKindOffset = 4 * kApiPointerSize
static

Definition at line 6946 of file v8.h.

Referenced by Internals::GetOddballKind().

const int kOddballType = 0x83
static

Definition at line 6986 of file v8.h.

const int kStringEncodingMask = 0x4
static

Definition at line 6953 of file v8.h.

Referenced by String::GetExternalStringResourceBase().

const int kStringResourceOffset = 3 * kApiPointerSize
static
const int kTrueValueRootIndex = 8
static

Definition at line 6967 of file v8.h.

Referenced by ReturnValue< T >::Set(), and v8::True().

const int kUndefinedOddballKind = 5
static

Definition at line 6989 of file v8.h.

const int kUndefinedValueRootIndex = 5
static

Definition at line 6965 of file v8.h.

Referenced by ReturnValue< T >::SetUndefined(), and v8::Undefined().


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