v8  7.4.288(node12.0.0)
V8 is Google's open source JavaScript engine
Namespaces | Data Structures | Typedefs | Functions | Variables
v8::internal Namespace Reference

Namespaces

 wasm
 

Data Structures

struct  CastCheck
 
class  CustomArguments
 
class  Internals
 
struct  SmiTagging
 
struct  SmiTagging< 4 >
 
struct  SmiTagging< 8 >
 

Typedefs

typedef uintptr_t Address
 
typedef SmiTagging< kApiTaggedSize > PlatformSmiTagging
 

Functions

constexpr bool SmiValuesAre31Bits ()
 
constexpr bool SmiValuesAre32Bits ()
 
template<class T >
V8_INLINE void PerformCastCheck (T *data)
 
V8_EXPORT internal::Isolate * IsolateFromNeverReadOnlySpaceObject (Address obj)
 
V8_EXPORT bool ShouldThrowOnError (v8::internal::Isolate *isolate)
 

Variables

const int kApiSystemPointerSize = sizeof(void*)
 
const int kApiTaggedSize = kApiSystemPointerSize
 
const int kApiDoubleSize = sizeof(double)
 
const int kApiInt32Size = sizeof(int32_t)
 
const int kApiInt64Size = sizeof(int64_t)
 
const int kHeapObjectTag = 1
 
const int kWeakHeapObjectTag = 3
 
const int kHeapObjectTagSize = 2
 
const intptr_t kHeapObjectTagMask = (1 << kHeapObjectTagSize) - 1
 
const int kSmiTag = 0
 
const int kSmiTagSize = 1
 
const intptr_t kSmiTagMask = (1 << kSmiTagSize) - 1
 
const int kSmiShiftSize = PlatformSmiTagging::kSmiShiftSize
 
const int kSmiValueSize = PlatformSmiTagging::kSmiValueSize
 
const int kSmiMinValue = (static_cast<unsigned int>(-1)) << (kSmiValueSize - 1)
 
const int kSmiMaxValue = -(kSmiMinValue + 1)
 

Typedef Documentation

◆ Address

typedef uintptr_t Address

Definition at line 23 of file v8-internal.h.

◆ PlatformSmiTagging

typedef SmiTagging<kApiTaggedSize> PlatformSmiTagging

Definition at line 100 of file v8-internal.h.

Function Documentation

◆ IsolateFromNeverReadOnlySpaceObject()

V8_EXPORT internal::Isolate* v8::internal::IsolateFromNeverReadOnlySpaceObject ( Address  obj)

Referenced by Context::GetEmbedderData(), and Object::GetInternalField().

◆ PerformCastCheck()

V8_INLINE void v8::internal::PerformCastCheck ( T *  data)

Definition at line 366 of file v8-internal.h.

Referenced by Isolate::GetDataFromSnapshotOnce(), and Context::GetDataFromSnapshotOnce().

◆ ShouldThrowOnError()

V8_EXPORT bool v8::internal::ShouldThrowOnError ( v8::internal::Isolate *  isolate)

◆ SmiValuesAre31Bits()

constexpr bool v8::internal::SmiValuesAre31Bits ( )

Definition at line 107 of file v8-internal.h.

References kSmiValueSize.

◆ SmiValuesAre32Bits()

constexpr bool v8::internal::SmiValuesAre32Bits ( )

Definition at line 108 of file v8-internal.h.

References kSmiValueSize.

Variable Documentation

◆ kApiDoubleSize

const int kApiDoubleSize = sizeof(double)

Definition at line 33 of file v8-internal.h.

◆ kApiInt32Size

const int kApiInt32Size = sizeof(int32_t)

Definition at line 34 of file v8-internal.h.

◆ kApiInt64Size

const int kApiInt64Size = sizeof(int64_t)

Definition at line 35 of file v8-internal.h.

◆ kApiSystemPointerSize

const int kApiSystemPointerSize = sizeof(void*)

Configuration of tagging scheme.

Definition at line 31 of file v8-internal.h.

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

◆ kApiTaggedSize

const int kApiTaggedSize = kApiSystemPointerSize

Definition at line 32 of file v8-internal.h.

◆ kHeapObjectTag

const int kHeapObjectTag = 1

Definition at line 38 of file v8-internal.h.

Referenced by Internals::HasHeapObjectTag(), and Internals::ReadRawField().

◆ kHeapObjectTagMask

const intptr_t kHeapObjectTagMask = (1 << kHeapObjectTagSize) - 1

Definition at line 41 of file v8-internal.h.

Referenced by Internals::HasHeapObjectTag().

◆ kHeapObjectTagSize

const int kHeapObjectTagSize = 2

Definition at line 40 of file v8-internal.h.

◆ kSmiMaxValue

const int kSmiMaxValue = -(kSmiMinValue + 1)

Definition at line 106 of file v8-internal.h.

◆ kSmiMinValue

const int kSmiMinValue = (static_cast<unsigned int>(-1)) << (kSmiValueSize - 1)

Definition at line 105 of file v8-internal.h.

◆ kSmiShiftSize

const int kSmiShiftSize = PlatformSmiTagging::kSmiShiftSize

Definition at line 103 of file v8-internal.h.

Referenced by SmiTagging< 4 >::SmiToInt(), and SmiTagging< 8 >::SmiToInt().

◆ kSmiTag

const int kSmiTag = 0

Definition at line 44 of file v8-internal.h.

◆ kSmiTagMask

const intptr_t kSmiTagMask = (1 << kSmiTagSize) - 1

Definition at line 46 of file v8-internal.h.

Referenced by Internals::ReadTaggedAnyField().

◆ kSmiTagSize

const int kSmiTagSize = 1

Definition at line 45 of file v8-internal.h.

Referenced by SmiTagging< 4 >::SmiToInt(), and SmiTagging< 8 >::SmiToInt().

◆ kSmiValueSize

const int kSmiValueSize = PlatformSmiTagging::kSmiValueSize

Definition at line 104 of file v8-internal.h.

Referenced by SmiValuesAre31Bits(), and SmiValuesAre32Bits().

◆ kWeakHeapObjectTag

const int kWeakHeapObjectTag = 3

Definition at line 39 of file v8-internal.h.