Smi Class Reference

#include <objects.h>

Inheritance diagram for Smi:

Collaboration diagram for Smi:

Public Member Functions
int	value ()
void	SmiPrint ()
void	SmiPrint (FILE *out)
void	SmiPrint (StringStream *accumulator)
Public Member Functions inherited from Object
bool	IsObject ()
bool	IsFixedArrayBase ()
bool	IsInstanceOf (FunctionTemplateInfo *type)
bool	IsStruct ()
	INLINE (bool IsSpecObject())
	INLINE (bool IsSpecFunction())
	INLINE (bool IsUndefined())
	INLINE (bool IsNull())
	INLINE (bool IsTheHole())
	INLINE (bool IsTrue())
	INLINE (bool IsFalse())
bool	IsArgumentsMarker ()
bool	NonFailureIsHeapObject ()
bool	IsFiller ()
double	Number ()
bool	IsNaN ()
bool	HasValidElements ()
bool	HasSpecificClassOf (String *name)
MUST_USE_RESULT MaybeObject *	ToObject ()
Object *	ToBoolean ()
MUST_USE_RESULT MaybeObject *	ToObject (Context *native_context)
MUST_USE_RESULT MaybeObject *	ToSmi ()
void	Lookup (String *name, LookupResult *result)
MUST_USE_RESULT MaybeObject *	GetProperty (String *key)
MUST_USE_RESULT MaybeObject *	GetProperty (String *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetPropertyWithReceiver (Object *receiver, String *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetProperty (Object *receiver, LookupResult *result, String *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetPropertyWithDefinedGetter (Object *receiver, JSReceiver *getter)
MUST_USE_RESULT MaybeObject *	GetElement (uint32_t index)
Object *	GetElementNoExceptionThrown (uint32_t index)
MUST_USE_RESULT MaybeObject *	GetElementWithReceiver (Object *receiver, uint32_t index)
Object *	GetPrototype ()
MUST_USE_RESULT MaybeObject *	GetHash (CreationFlag flag)
bool	SameValue (Object *other)
bool	ToArrayIndex (uint32_t *index)
bool	IsStringObjectWithCharacterAt (uint32_t index)
void	VerifyApiCallResultType ()
void	ShortPrint ()
void	ShortPrint (FILE *out)
void	ShortPrint (StringStream *accumulator)

Static Public Member Functions
static Smi *	FromInt (int value)
static Smi *	FromIntptr (intptr_t value)
static bool	IsValid (intptr_t value)
static Smi *	cast (Object *object)
Static Public Member Functions inherited from Object
static Handle< Object >	GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< String > key, PropertyAttributes *attributes)
static Handle< Object >	GetElement (Handle< Object > object, uint32_t index)
static Object *	cast (Object *value)

Static Public Attributes
static const int	kMinValue
static const int	kMaxValue = -(kMinValue + 1)
Static Public Attributes inherited from Object
static const int	kHeaderSize = 0

Detailed Description

Definition at line 1023 of file objects.h.

Member Function Documentation

static Smi* cast ( Object *  object )

inlinestatic

Referenced by ObjectHashSet::Add(), SharedFunctionInfo::AddToOptimizedCodeMap(), DeoptimizationOutputData::AstId(), TypeFeedbackCells::AstId(), v8::internal::BUILTIN(), SharedFunctionInfo::builtin_function_id(), HashTable< CompilationCacheShape, HashTableKey * >::Capacity(), JSRegExp::CaptureCount(), Isolate::CaptureCurrentStackTrace(), TypeFeedbackInfo::change_ic_with_type_info_count(), TypeFeedbackInfo::change_own_type_change_checksum(), ScopeInfo::ContextLocalInitFlag(), ScopeInfo::ContextLocalMode(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::CopyElements(), Factory::CreateApiFunction(), Runtime::CreateArrayLiteralBoilerplate(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::DeleteCommon(), Dictionary< SeededNumberDictionaryShape, uint32_t >::DetailsAt(), JSFunctionResultCache::finger_index(), JSProxy::Fix(), JSGlobalPropertyCell::FromValueAddress(), ScopeInfo::FunctionContextSlotIndex(), Runtime::FunctionForSymbol(), Dictionary< Shape, Key >::GenerateNewEnumerationIndices(), JavaScriptFrame::GetArgumentsLength(), TypeFeedbackOracle::GetCallCheckType(), RegExpImpl::GetCapture(), StackFrame::GetColumn(), DescriptorArray::GetDetails(), JSRegExp::GetFlags(), StackTrace::GetFrameCount(), JSObject::GetIdentityHash(), NonStrictArgumentsElementsAccessor::GetImpl(), DictionaryElementsAccessor::GetKeyForIndexImpl(), RegExpImpl::GetLastCaptureCount(), StackFrame::GetLineNumber(), JSObject::GetLocalElementKeys(), ArgumentsAdaptorFrame::GetNumberOfIncomingArguments(), Heap::GetNumberStringCache(), v8::internal::GetScriptColumnNumber(), v8::internal::GetScriptLineNumber(), SharedFunctionInfo::GetThisPropertyAssignmentArgument(), CompileTimeValue::GetType(), ObjectHashTableShape< entrysize >::Hash(), ObjectHashTableShape< entrysize >::HashForObject(), StringSharedKey::HashForObject(), RegExpKey::HashForObject(), JSObject::HasLocalElement(), JSObject::HasRealElementProperty(), TypeFeedbackInfo::ic_total_count(), TypeFeedbackInfo::ic_with_type_info_count(), BASE_EMBEDDED< Visitor >::IndexFromValue(), Execution::InstantiateFunction(), Value::Int32Value(), Value::IntegerValue(), ObjectTemplate::InternalFieldCount(), RegExpImpl::IrregexpMaxRegisterCount(), RegExpImpl::IrregexpNumberOfCaptures(), RegExpImpl::IrregexpNumberOfRegisters(), TypeFeedbackOracle::IsForInFastCase(), StringSharedKey::IsMatch(), SharedFunctionInfo::IsThisPropertyAssignmentArgument(), Value::IsUint32(), Oddball::kind(), NeanderArray::length(), Array::Length(), Logger::LogRuntime(), TypeFeedbackInfo::matches_inlined_type_change_checksum(), SeededNumberDictionary::max_number_key(), Factory::NewScript(), IntrusiveMapTransitionIterator::Next(), IntrusivePrototypeTransitionIterator::Next(), Dictionary< SeededNumberDictionaryShape, uint32_t >::NextEnumerationIndex(), JSObject::NormalizeElements(), DescriptorArray::number_of_descriptors(), HashTable< CompilationCacheShape, HashTableKey * >::NumberOfDeletedElements(), HashTable< CompilationCacheShape, HashTableKey * >::NumberOfElements(), JSObject::NumberOfEnumElements(), Map::NumberOfProtoTransitions(), v8::internal::NumberToInt32(), Heap::NumberToString(), v8::internal::NumberToUint32(), TypeFeedbackInfo::own_type_change_checksum(), DeoptimizationOutputData::PcAndState(), JSObject::PrepareSlowElementsForSort(), ObjectHashTable::Put(), ToBooleanStub::Types::Record(), SeededNumberDictionary::requires_slow_elements(), v8::internal::RUNTIME_FUNCTION(), TypeFeedbackInfo::set_ic_total_count(), TypeFeedbackInfo::set_inlined_type_change_checksum(), JSRegExp::SetDataAtUnchecked(), JSObject::SetFastDoubleElement(), ElementsAccessorBase< ElementsAccessorSubclass, ElementsTraitsParam >::SetLengthImpl(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::SetLengthWithoutNormalize(), Heap::SetNumberStringCache(), ExternalPixelArray::SetValue(), ExternalUnsignedIntArray::SetValue(), ExternalFloatArray::SetValue(), ExternalDoubleArray::SetValue(), Object::ShortPrint(), JSFunctionResultCache::size(), BASE_EMBEDDED< Visitor >::smi_at(), FixedArray::SwapPairs(), TEST(), THREADED_TEST(), Value::ToArrayIndex(), Object::ToArrayIndex(), Object::ToBoolean(), JSRegExp::TypeTag(), JSRegExp::TypeTagUnchecked(), Value::Uint32Value(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::ValidateImpl(), Integer::Value(), Int32::Value(), and Uint32::Value().

Smi * FromInt ( int  value )

inlinestatic

Definition at line 981 of file objects-inl.h.

References ASSERT, Smi::IsValid(), v8::internal::kSmiShiftSize, v8::internal::kSmiTag, v8::internal::kSmiTagSize, and Smi::value().

Referenced by BASE_EMBEDDED< Visitor >::Add(), NeanderArray::add(), ReplacementStringBuilder::AddSubjectSlice(), TransitionArray::Allocate(), DescriptorArray::Allocate(), Heap::AllocateArgumentsObject(), Heap::AllocateFunctionContext(), Heap::AllocateJSArrayAndStorage(), Heap::AllocateJSArrayWithElements(), Heap::AllocateJSFunctionProxy(), Heap::AllocateJSProxy(), Heap::AllocateModuleContext(), LargeObjectSpace::AllocateRaw(), PolymorphicCodeCacheHashTableKey::AsObject(), StringSharedKey::AsObject(), v8::internal::BOOL_ACCESSORS(), v8::internal::BUILTIN(), v8::internal::CalculateLineEnds(), Isolate::CaptureCurrentStackTrace(), TypeFeedbackInfo::change_ic_with_type_info_count(), TypeFeedbackInfo::change_own_type_change_checksum(), RegExpResultsCache::Clear(), TransitionArray::ClearElementsTransition(), DescriptorArray::ClearEnumCache(), SharedFunctionInfo::ClearOptimizedCodeMap(), MarkCompactCollector::CollectGarbage(), Compiler::Compile(), ScopeInfo::Create(), Heap::CreateApiObjects(), Runtime::CreateArrayLiteralBoilerplate(), Heap::CreateCode(), RegExpResultsCache::Enter(), Value::Equals(), JSReceiver::GenerateIdentityHash(), Dictionary< Shape, Key >::GenerateNewEnumerationIndices(), ExternalPixelArray::get(), ExternalByteArray::get(), ExternalUnsignedByteArray::get(), ExternalShortArray::get(), ExternalUnsignedShortArray::get(), v8::internal::GetEnumPropertyKeys(), Object::GetHash(), JSObject::GetIdentityHash(), BASE_EMBEDDED< Visitor >::GetLazyValue(), JSObject::GetLocalElementKeys(), ThisNamedPropertyAssignmentFinder::GetThisPropertyAssignments(), BASE_EMBEDDED< Visitor >::GetValue(), CompileTimeValue::GetValue(), TransitionArray::HasElementsTransition(), TransitionArray::HasPrototypeTransitions(), JSArray::Initialize(), TypeFeedbackInfo::initialize_storage(), Runtime::InitializeIntrinsicFunctionNames(), MacroAssembler::InitializeSmiConstantRegister(), StandardFrame::IsArgumentsAdaptorFrame(), StandardFrame::IsConstructFrame(), SerializerDeserializer::Iterate(), LoadIC::Load(), KeyedLoadIC::Load(), RegExpResultsCache::Lookup(), Accessors::MakeModuleExport(), TryCatch::Message(), NeanderArray::NeanderArray(), Integer::New(), FunctionTemplate::New(), Factory::NewScript(), IntrusiveMapTransitionIterator::Next(), IntrusivePrototypeTransitionIterator::Next(), Heap::NumberFromDouble(), Heap::NumberFromInt32(), Heap::NumberFromUint32(), JSObject::PrepareElementsForSort(), JSObject::PrepareSlowElementsForSort(), Isolate::PrintCurrentStackTrace(), TryCatch::Reset(), DateCache::ResetDateCache(), v8::internal::RUNTIME_FUNCTION(), BooleanBit::set(), JSFunctionResultCache::set_finger_index(), TypeFeedbackInfo::set_ic_total_count(), TypeFeedbackInfo::set_inlined_type_change_checksum(), Oddball::set_kind(), AccessorInfo::set_property_attributes(), SeededNumberDictionary::set_requires_slow_elements(), JSFunctionResultCache::set_size(), Heap::SetArgumentsAdaptorDeoptPCOffset(), DeoptimizationInputData::SetAstId(), DeoptimizationOutputData::SetAstId(), TypeFeedbackCells::SetAstId(), HashTable< CompilationCacheShape, HashTableKey * >::SetCapacity(), RegExpImpl::SetCapture(), Heap::SetConstructStubDeoptPCOffset(), JSArray::SetContent(), Dictionary< Shape, Key >::SetEntry(), JSObject::SetFastDoubleElement(), JSObject::SetFastDoubleElementsCapacityAndLength(), JSObject::SetFastElement(), JSObject::SetFastElementsCapacityAndLength(), Heap::SetGetterStubDeoptPCOffset(), ObjectTemplate::SetInternalFieldCount(), RegExpImpl::SetIrregexpMaxRegisterCount(), RegExpImpl::SetLastCaptureCount(), ElementsAccessorBase< ElementsAccessorSubclass, ElementsTraitsParam >::SetLengthImpl(), Dictionary< SeededNumberDictionaryShape, uint32_t >::SetNextEnumerationIndex(), HashTable< CompilationCacheShape, HashTableKey * >::SetNumberOfDeletedElements(), DescriptorArray::SetNumberOfDescriptors(), HashTable< CompilationCacheShape, HashTableKey * >::SetNumberOfElements(), Map::SetNumberOfProtoTransitions(), Factory::SetRegExpAtomData(), Factory::SetRegExpIrregexpData(), Heap::SetSetterStubDeoptPCOffset(), Heap::SetUp(), ExternalPixelArray::SetValue(), JSDate::SetValue(), IntrusiveMapTransitionIterator::Start(), IntrusivePrototypeTransitionIterator::Start(), TEST(), THREADED_TEST(), Value::ToArrayIndex(), FixedArrayBuilder::ToJSArray(), Object::ToSmi(), SeededNumberDictionary::UpdateMaxNumberKey(), and MarkCompactMarkingVisitor::VisitJSWeakMap().

Smi * FromIntptr ( intptr_t  value )

inlinestatic

Definition at line 990 of file objects-inl.h.

References ASSERT, Smi::IsValid(), v8::internal::kSmiShiftSize, v8::internal::kSmiTag, and v8::internal::kSmiTagSize.

bool IsValid ( intptr_t  value )

inlinestatic

Definition at line 1059 of file objects-inl.h.

References ASSERT, Smi::kMaxValue, Smi::kMinValue, v8::internal::U, and Smi::value().

Referenced by HConstant::CalculateInferredType(), Smi::FromInt(), Smi::FromIntptr(), BASE_EMBEDDED< Visitor >::GetValue(), Integer::New(), Factory::NewScript(), Heap::NumberFromDouble(), Heap::NumberFromInt32(), Heap::NumberFromUint32(), v8::internal::RUNTIME_FUNCTION(), ObjectTemplate::SetInternalFieldCount(), THREADED_TEST(), and Object::ToSmi().

void SmiPrint ( )

inline

Definition at line 1040 of file objects.h.

Referenced by Object::ShortPrint().

void SmiPrint

(

FILE *

out

)

Definition at line 817 of file objects.cc.

References v8::internal::PrintF(), and Smi::value().

void SmiPrint

(

StringStream *

accumulator

)

Definition at line 822 of file objects.cc.

References StringStream::Add(), and Smi::value().

int value ( )

inline

Definition at line 976 of file objects-inl.h.

References Internals::SmiValue().

Referenced by DeoptimizationInputData::AstId(), DeoptimizationOutputData::AstId(), v8::internal::BUILTIN(), SharedFunctionInfo::builtin_function_id(), HashTable< CompilationCacheShape, HashTableKey * >::Capacity(), JSRegExp::CaptureCount(), TypeFeedbackInfo::change_ic_with_type_info_count(), TypeFeedbackInfo::change_own_type_change_checksum(), ScopeInfo::ContextLocalInitFlag(), ScopeInfo::ContextLocalMode(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::CopyElements(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::DeleteCommon(), JSFunctionResultCache::finger_index(), Smi::FromInt(), ScopeInfo::FunctionContextSlotIndex(), Runtime::FunctionForSymbol(), JavaScriptFrame::GetArgumentsLength(), TypeFeedbackOracle::GetCallCheckType(), StackFrame::GetColumn(), JSDate::GetField(), JSRegExp::GetFlags(), StackTrace::GetFrameCount(), JSObject::GetIdentityHash(), NonStrictArgumentsElementsAccessor::GetImpl(), DictionaryElementsAccessor::GetKeyForIndexImpl(), StackFrame::GetLineNumber(), JSObject::GetLocalElementKeys(), ArgumentsAdaptorFrame::GetNumberOfIncomingArguments(), Deoptimizer::GetOutputInfo(), SharedFunctionInfo::GetThisPropertyAssignmentArgument(), CompileTimeValue::GetType(), JSObject::HasLocalElement(), JSObject::HasRealElementProperty(), TypeFeedbackInfo::ic_total_count(), TypeFeedbackInfo::ic_with_type_info_count(), BASE_EMBEDDED< Visitor >::IndexFromValue(), Value::Int32Value(), Value::IntegerValue(), ObjectTemplate::InternalFieldCount(), TypeFeedbackOracle::IsForInFastCase(), SharedFunctionInfo::IsThisPropertyAssignmentArgument(), Value::IsUint32(), Smi::IsValid(), Oddball::kind(), Array::Length(), TypeFeedbackInfo::matches_inlined_type_change_checksum(), SeededNumberDictionary::max_number_key(), IntrusiveMapTransitionIterator::Next(), IntrusivePrototypeTransitionIterator::Next(), Dictionary< SeededNumberDictionaryShape, uint32_t >::NextEnumerationIndex(), JSObject::NormalizeElements(), DescriptorArray::number_of_descriptors(), HashTable< CompilationCacheShape, HashTableKey * >::NumberOfDeletedElements(), HashTable< CompilationCacheShape, HashTableKey * >::NumberOfElements(), JSObject::NumberOfEnumElements(), Map::NumberOfProtoTransitions(), v8::internal::NumberToInt32(), Heap::NumberToString(), v8::internal::NumberToUint32(), TypeFeedbackInfo::own_type_change_checksum(), JSObject::PrepareSlowElementsForSort(), ToBooleanStub::Types::Record(), RegExpKey::RegExpHash(), SeededNumberDictionary::requires_slow_elements(), DateCache::ResetDateCache(), v8::internal::RUNTIME_FUNCTION(), BooleanBit::set(), TypeFeedbackInfo::set_ic_total_count(), TypeFeedbackInfo::set_inlined_type_change_checksum(), JSObject::SetFastDoubleElement(), ElementsAccessorBase< ElementsAccessorSubclass, ElementsTraitsParam >::SetLengthImpl(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::SetLengthWithoutNormalize(), ExternalPixelArray::SetValue(), ExternalUnsignedIntArray::SetValue(), ExternalFloatArray::SetValue(), ExternalDoubleArray::SetValue(), JSFunctionResultCache::size(), BASE_EMBEDDED< Visitor >::smi_at(), Smi::SmiPrint(), TEST(), Value::ToArrayIndex(), Object::ToArrayIndex(), JSRegExp::TypeTag(), JSRegExp::TypeTagUnchecked(), Value::Uint32Value(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::ValidateImpl(), Integer::Value(), Int32::Value(), and Uint32::Value().

Field Documentation

const int kMaxValue = -(kMinValue + 1)

static

Definition at line 1050 of file objects.h.

Referenced by v8::internal::BUILTIN(), HStringLength::CalculateInferredType(), TypeFeedbackInfo::change_own_type_change_checksum(), JSReceiver::GenerateIdentityHash(), Object::GetHash(), BASE_EMBEDDED< Visitor >::GetValue(), Range::IsInSmiRange(), Smi::IsValid(), JSObject::PrepareElementsForSort(), JSObject::PrepareSlowElementsForSort(), DateCache::ResetDateCache(), v8::internal::RUNTIME_FUNCTION(), TypeFeedbackInfo::set_inlined_type_change_checksum(), TEST(), THREADED_TEST(), and Value::ToArrayIndex().

const int kMinValue

static

Initial value:

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

Definition at line 1048 of file objects.h.

Referenced by TypeFeedbackInfo::change_own_type_change_checksum(), Range::IsInSmiRange(), Smi::IsValid(), TypeFeedbackInfo::set_inlined_type_change_checksum(), and TEST().

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

• src/objects.h
• src/objects-inl.h
• src/objects.cc