v8  5.5.372 (node 7.10.1)
V8 is Google's open source JavaScript engine
Static Public Member Functions | Static Public Attributes
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_INLINE T ReadField (const internal::Object *ptr, int offset)
 
template<typename T >
static V8_INLINE T ReadEmbedderData (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 + sizeof(double)
 
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 = 5
 
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 kExternalMemoryOffset = 4 * kApiPointerSize
 
static const int kExternalMemoryLimitOffset
 
static const int kIsolateRootsOffset
 
static const int kUndefinedValueRootIndex = 4
 
static const int kTheHoleValueRootIndex = 5
 
static const int kNullValueRootIndex = 6
 
static const int kTrueValueRootIndex = 7
 
static const int kFalseValueRootIndex = 8
 
static const int kEmptyStringRootIndex = 9
 
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 kNodeIsActiveShift = 4
 
static const int kJSObjectType = 0xb9
 
static const int kJSApiObjectType = 0xb8
 
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 8248 of file v8.h.

Member Function Documentation

◆ CheckInitialized()

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

Definition at line 8304 of file v8.h.

Referenced by String::Empty().

◆ CheckInitializedImpl()

static V8_EXPORT void CheckInitializedImpl ( v8::Isolate *  isolate)
static

◆ GetEmbedderData()

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

Definition at line 8376 of file v8.h.

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

Referenced by Isolate::GetData().

◆ GetInstanceType()

static V8_INLINE int GetInstanceType ( const internal::Object *  obj)
inlinestatic

Definition at line 8327 of file v8.h.

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

Referenced by Object::GetAlignedPointerFromInternalField(), String::GetExternalStringResource(), String::GetExternalStringResourceBase(), and Object::GetInternalField().

◆ GetNodeFlag()

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

Definition at line 8345 of file v8.h.

References Internals::kNodeFlagsOffset.

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

◆ GetNodeState()

static V8_INLINE uint8_t GetNodeState ( internal::Object **  obj)
inlinestatic

Definition at line 8357 of file v8.h.

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

Referenced by PersistentBase< T >::IsNearDeath(), and PersistentBase< T >::IsWeak().

◆ GetOddballKind()

static V8_INLINE int GetOddballKind ( const internal::Object *  obj)
inlinestatic

Definition at line 8335 of file v8.h.

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

◆ GetRoot()

static V8_INLINE internal::Object** GetRoot ( v8::Isolate *  isolate,
int  index 
)
inlinestatic

Definition at line 8383 of file v8.h.

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

Referenced by String::Empty(), ReturnValue< T >::Get(), ReturnValue< T >::Set(), ReturnValue< T >::SetEmptyString(), ReturnValue< T >::SetNull(), and ReturnValue< T >::SetUndefined().

◆ HasHeapObjectTag()

static V8_INLINE bool HasHeapObjectTag ( const internal::Object *  value)
inlinestatic

Definition at line 8310 of file v8.h.

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

◆ IntToSmi()

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

Definition at line 8319 of file v8.h.

References SmiTagging< 8 >::IntToSmi().

Referenced by ReturnValue< T >::Set(), and PropertyCallbackInfo< T >::ShouldThrowOnError().

◆ IsExternalTwoByteString()

static V8_INLINE bool IsExternalTwoByteString ( int  instance_type)
inlinestatic

Definition at line 8340 of file v8.h.

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

Referenced by String::GetExternalStringResource().

◆ IsValidSmi()

static V8_INLINE bool IsValidSmi ( intptr_t  value)
inlinestatic

Definition at line 8323 of file v8.h.

References SmiTagging< 8 >::IsValidSmi().

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

◆ ReadEmbedderData()

static V8_INLINE T ReadEmbedderData ( const v8::Context *  context,
int  index 
)
inlinestatic

Definition at line 8397 of file v8.h.

References v8::internal::kApiPointerSize, Internals::kContextEmbedderDataIndex, Internals::kContextHeaderSize, Internals::kFixedArrayHeaderSize, and Internals::ReadField().

Referenced by Context::GetAlignedPointerFromEmbedderData(), and Context::GetEmbedderData().

◆ ReadField()

static V8_INLINE T ReadField ( const internal::Object *  ptr,
int  offset 
)
inlinestatic

Definition at line 8390 of file v8.h.

References v8::internal::kHeapObjectTag.

Referenced by Object::GetAlignedPointerFromInternalField(), String::GetExternalStringResource(), String::GetExternalStringResourceBase(), Internals::GetInstanceType(), Object::GetInternalField(), Internals::GetOddballKind(), and Internals::ReadEmbedderData().

◆ SetEmbedderData()

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

Definition at line 8368 of file v8.h.

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

Referenced by Isolate::SetData().

◆ SmiValue()

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

Definition at line 8315 of file v8.h.

References SmiTagging< 8 >::SmiToInt().

Referenced by Internals::GetOddballKind().

◆ UpdateNodeFlag()

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

Definition at line 8350 of file v8.h.

References Internals::kNodeFlagsOffset.

Referenced by PersistentBase< T >::MarkActive(), and PersistentBase< T >::MarkIndependent().

◆ UpdateNodeState()

static V8_INLINE void UpdateNodeState ( internal::Object **  obj,
uint8_t  value 
)
inlinestatic

Definition at line 8362 of file v8.h.

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

Field Documentation

◆ kContextEmbedderDataIndex

const int kContextEmbedderDataIndex = 5
static

Definition at line 8262 of file v8.h.

Referenced by Internals::ReadEmbedderData().

◆ kContextHeaderSize

const int kContextHeaderSize = 2 * kApiPointerSize
static

Definition at line 8261 of file v8.h.

Referenced by Internals::ReadEmbedderData().

◆ kEmptyStringRootIndex

const int kEmptyStringRootIndex = 9
static

Definition at line 8280 of file v8.h.

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

◆ kExternalMemoryLimitOffset

const int kExternalMemoryLimitOffset
static
Initial value:
=
kExternalMemoryOffset + kApiInt64Size
v8::internal::Internals::kExternalMemoryOffset
static const int kExternalMemoryOffset
Definition: v8.h:8269
v8::internal::kApiInt64Size
const int kApiInt64Size
Definition: v8.h:8167

Definition at line 8270 of file v8.h.

Referenced by Isolate::AdjustAmountOfExternalAllocatedMemory().

◆ kExternalMemoryOffset

const int kExternalMemoryOffset = 4 * kApiPointerSize
static

Definition at line 8269 of file v8.h.

Referenced by Isolate::AdjustAmountOfExternalAllocatedMemory().

◆ kExternalOneByteRepresentationTag

const int kExternalOneByteRepresentationTag = 0x06
static

Definition at line 8266 of file v8.h.

Referenced by String::GetExternalStringResourceBase().

◆ kExternalTwoByteRepresentationTag

const int kExternalTwoByteRepresentationTag = 0x02
static

Definition at line 8265 of file v8.h.

Referenced by String::GetExternalStringResourceBase(), and Internals::IsExternalTwoByteString().

◆ kFalseValueRootIndex

const int kFalseValueRootIndex = 8
static

Definition at line 8279 of file v8.h.

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

◆ kFirstNonstringType

const int kFirstNonstringType = 0x80
static

Definition at line 8294 of file v8.h.

◆ kFixedArrayHeaderSize

const int kFixedArrayHeaderSize = 2 * kApiPointerSize
static

Definition at line 8260 of file v8.h.

Referenced by Internals::ReadEmbedderData().

◆ kForeignAddressOffset

const int kForeignAddressOffset = kApiPointerSize
static

Definition at line 8258 of file v8.h.

◆ kForeignType

const int kForeignType = 0x87
static

Definition at line 8296 of file v8.h.

◆ kFullStringRepresentationMask

const int kFullStringRepresentationMask = 0x07
static

Definition at line 8263 of file v8.h.

Referenced by String::GetExternalStringResourceBase(), and Internals::IsExternalTwoByteString().

◆ kHeapObjectMapOffset

const int kHeapObjectMapOffset = 0
static

Definition at line 8252 of file v8.h.

Referenced by Internals::GetInstanceType().

◆ kIsolateEmbedderDataOffset

const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize
static

Definition at line 8268 of file v8.h.

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

◆ kIsolateRootsOffset

const int kIsolateRootsOffset
static
Initial value:
= kExternalMemoryLimitOffset +
kApiInt64Size + kApiInt64Size +
kApiPointerSize + kApiPointerSize
v8::internal::Internals::kExternalMemoryLimitOffset
static const int kExternalMemoryLimitOffset
Definition: v8.h:8270
v8::internal::kApiPointerSize
const int kApiPointerSize
Definition: v8.h:8165

Definition at line 8272 of file v8.h.

Referenced by Internals::GetRoot().

◆ kJSApiObjectType

const int kJSApiObjectType = 0xb8
static

Definition at line 8293 of file v8.h.

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

◆ kJSObjectHeaderSize

const int kJSObjectHeaderSize = 3 * kApiPointerSize
static

Definition at line 8259 of file v8.h.

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

◆ kJSObjectType

const int kJSObjectType = 0xb9
static

Definition at line 8292 of file v8.h.

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

◆ kMapInstanceTypeAndBitFieldOffset

const int kMapInstanceTypeAndBitFieldOffset
static
Initial value:
=
1 * kApiPointerSize + kApiIntSize
v8::internal::kApiIntSize
const int kApiIntSize
Definition: v8.h:8166

Definition at line 8253 of file v8.h.

Referenced by Internals::GetInstanceType().

◆ kNodeClassIdOffset

const int kNodeClassIdOffset = 1 * kApiPointerSize
static

Definition at line 8282 of file v8.h.

Referenced by PersistentBase< T >::SetWrapperClassId(), and PersistentBase< T >::WrapperClassId().

◆ kNodeFlagsOffset

const int kNodeFlagsOffset = 1 * kApiPointerSize + 3
static

Definition at line 8283 of file v8.h.

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

◆ kNodeIsActiveShift

const int kNodeIsActiveShift = 4
static

Definition at line 8290 of file v8.h.

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

◆ kNodeIsIndependentShift

const int kNodeIsIndependentShift = 3
static

Definition at line 8288 of file v8.h.

Referenced by PersistentBase< T >::IsIndependent(), and PersistentBase< T >::MarkIndependent().

◆ kNodeIsPartiallyDependentShift

const int kNodeIsPartiallyDependentShift = 4
static

Definition at line 8289 of file v8.h.

◆ kNodeStateIsNearDeathValue

const int kNodeStateIsNearDeathValue = 4
static

Definition at line 8287 of file v8.h.

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

◆ kNodeStateIsPendingValue

const int kNodeStateIsPendingValue = 3
static

Definition at line 8286 of file v8.h.

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

◆ kNodeStateIsWeakValue

const int kNodeStateIsWeakValue = 2
static

Definition at line 8285 of file v8.h.

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

◆ kNodeStateMask

const int kNodeStateMask = 0x7
static

Definition at line 8284 of file v8.h.

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

◆ kNullOddballKind

const int kNullOddballKind = 3
static

Definition at line 8299 of file v8.h.

◆ kNullValueRootIndex

const int kNullValueRootIndex = 6
static

Definition at line 8277 of file v8.h.

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

◆ kNumIsolateDataSlots

const uint32_t kNumIsolateDataSlots = 4
static

Definition at line 8301 of file v8.h.

Referenced by Isolate::GetNumberOfDataSlots().

◆ kOddballKindOffset

const int kOddballKindOffset = 4 * kApiPointerSize + sizeof(double)
static

Definition at line 8257 of file v8.h.

Referenced by Internals::GetOddballKind().

◆ kOddballType

const int kOddballType = 0x83
static

Definition at line 8295 of file v8.h.

◆ kStringEncodingMask

const int kStringEncodingMask = 0x4
static

Definition at line 8264 of file v8.h.

Referenced by String::GetExternalStringResourceBase().

◆ kStringResourceOffset

const int kStringResourceOffset = 3 * kApiPointerSize
static

Definition at line 8255 of file v8.h.

Referenced by String::GetExternalStringResource(), and String::GetExternalStringResourceBase().

◆ kTheHoleValueRootIndex

const int kTheHoleValueRootIndex = 5
static

Definition at line 8276 of file v8.h.

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

◆ kTrueValueRootIndex

const int kTrueValueRootIndex = 7
static

Definition at line 8278 of file v8.h.

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

◆ kUndefinedOddballKind

const int kUndefinedOddballKind = 5
static

Definition at line 8298 of file v8.h.

◆ kUndefinedValueRootIndex

const int kUndefinedValueRootIndex = 4
static

Definition at line 8275 of file v8.h.

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

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