Value Class Reference

#include <v8.h>

Inheritance diagram for Value:

Collaboration diagram for Value:

Public Member Functions
V8_INLINE bool	IsUndefined () const
V8_INLINE bool	IsNull () const
bool	IsTrue () const
bool	IsFalse () const
V8_INLINE bool	IsString () const
bool	IsSymbol () const
bool	IsFunction () const
bool	IsArray () const
bool	IsObject () const
bool	IsBoolean () const
bool	IsNumber () const
bool	IsExternal () const
bool	IsInt32 () const
bool	IsUint32 () const
bool	IsDate () const
bool	IsBooleanObject () const
bool	IsNumberObject () const
bool	IsStringObject () const
bool	IsSymbolObject () const
bool	IsNativeError () const
bool	IsRegExp () const
bool	IsPromise () const
bool	IsArrayBuffer () const
bool	IsArrayBufferView () const
bool	IsTypedArray () const
bool	IsUint8Array () const
bool	IsUint8ClampedArray () const
bool	IsInt8Array () const
bool	IsUint16Array () const
bool	IsInt16Array () const
bool	IsUint32Array () const
bool	IsInt32Array () const
bool	IsFloat32Array () const
bool	IsFloat64Array () const
bool	IsDataView () const
Local< Boolean >	ToBoolean () const
Local< Number >	ToNumber () const
Local< String >	ToString () const
Local< String >	ToDetailString () const
Local< Object >	ToObject () const
Local< Integer >	ToInteger () const
Local< Uint32 >	ToUint32 () const
Local< Int32 >	ToInt32 () const
Local< Uint32 >	ToArrayIndex () const
bool	BooleanValue () const
double	NumberValue () const
int64_t	IntegerValue () const
uint32_t	Uint32Value () const
int32_t	Int32Value () const
bool	Equals (Handle< Value > that) const
bool	StrictEquals (Handle< Value > that) const
bool	SameValue (Handle< Value > that) const
template<class T >
Value *	Cast (T *value)

Static Public Member Functions
template<class T >
static V8_INLINE Value *	Cast (T *value)

Detailed Description

The superclass of all JavaScript values and objects.

Definition at line 1407 of file v8.h.

Member Function Documentation

bool BooleanValue

(

)

const

Definition at line 2824 of file api.cc.

References Utils::OpenHandle().

Referenced by ParserTraits::BuildUnaryExpression(), JSProxy::GetPropertyAttributeWithHandler(), TEST(), and THREADED_TEST().

static V8_INLINE Value* Cast ( T *  value )

static

Value* Cast

(

T *

value

)

Definition at line 6282 of file v8.h.

bool Equals

(

Handle< Value >

that

)

const

JS ==

Definition at line 2950 of file api.cc.

References Utils::ApiCheck(), ARRAY_SIZE, ENTER_V8, v8::internal::EQUAL, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, Smi::FromInt(), Handle< T >::IsEmpty(), LOG_API, NULL, and Utils::OpenHandle().

Referenced by CheckEqualsHelper(), CheckNonEqualsHelper(), TraceExtension::GetNativeFunctionTemplate(), ProfilerExtension::GetNativeFunctionTemplate(), TEST(), and THREADED_TEST().

int32_t Int32Value

(

)

const

Definition at line 2929 of file api.cc.

References Smi::cast(), ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, Utils::OpenHandle(), Execution::ToInt32(), and Smi::value().

Referenced by JSObject::GetPropertyAttributeWithInterceptor(), TEST(), THREADED_PROFILED_TEST(), and THREADED_TEST().

int64_t IntegerValue

(

)

const

Definition at line 2846 of file api.cc.

References Smi::cast(), ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), Execution::ToInteger(), and Smi::value().

bool IsArray

(

)

const

Returns true if this value is an array.

Definition at line 2374 of file api.cc.

References Utils::OpenHandle().

Referenced by TEST(), and THREADED_TEST().

bool IsArrayBuffer

(

)

const

Returns true if this value is an ArrayBuffer. This is an experimental feature.

Definition at line 2379 of file api.cc.

References Utils::OpenHandle().

bool IsArrayBufferView

(

)

const

Returns true if this value is an ArrayBufferView. This is an experimental feature.

Definition at line 2384 of file api.cc.

References Utils::OpenHandle().

bool IsBoolean

(

)

const

Returns true if this value is boolean.

Definition at line 2421 of file api.cc.

References Utils::OpenHandle().

Referenced by Object::GetElementWithReceiver(), THREADED_PROFILED_TEST(), and ToBooleanStub::Types::UpdateStatus().

bool IsBooleanObject

(

)

const

Returns true if this value is a Boolean object.

Definition at line 2523 of file api.cc.

References Isolate::heap(), and Utils::OpenHandle().

Referenced by THREADED_TEST().

bool IsDataView

(

)

const

Returns true if this value is a DataView. This is an experimental feature.

Definition at line 2406 of file api.cc.

References Utils::OpenHandle().

bool IsDate

(

)

const

Returns true if this value is a Date.

Definition at line 2455 of file api.cc.

References Isolate::heap(), and Utils::OpenHandle().

bool IsExternal

(

)

const

Returns true if this value is external.

Definition at line 2426 of file api.cc.

References Utils::OpenHandle().

bool IsFalse

(

)

const

Returns true if this value is false.

Definition at line 2352 of file api.cc.

References Utils::OpenHandle().

Referenced by JSProxy::GetPropertyAttributeWithHandler(), and JSProxy::SetPropertyViaPrototypesWithHandler().

bool IsFloat32Array

(

)

const

Returns true if this value is a Float32Array. This is an experimental feature.

bool IsFloat64Array

(

)

const

Returns true if this value is a Float64Array. This is an experimental feature.

bool IsFunction

(

)

const

Returns true if this value is a function.

Definition at line 2357 of file api.cc.

References Utils::OpenHandle().

Referenced by JsHttpRequestProcessor::Initialize(), and RunCppCycle().

bool IsInt16Array

(

)

const

Returns true if this value is an Int16Array. This is an experimental feature.

bool IsInt32

(

)

const

Returns true if this value is a 32-bit signed integer.

Definition at line 2431 of file api.cc.

References Utils::OpenHandle().

Referenced by JSObject::GetPropertyAttributeWithInterceptor(), THREADED_PROFILED_TEST(), and THREADED_TEST().

bool IsInt32Array

(

)

const

Returns true if this value is an Int32Array. This is an experimental feature.

bool IsInt8Array

(

)

const

Returns true if this value is an Int8Array. This is an experimental feature.

bool IsNativeError

(

)

const

Returns true if this value is a NativeError.

Definition at line 2505 of file api.cc.

References JSObject::cast(), and Utils::OpenHandle().

bool IsNull

(

)

const

Returns true if this value is the null value. See ECMA-262 4.3.11.

Definition at line 6247 of file v8.h.

Referenced by Execution::Call(), CompareNilIC::DoCompareNilSlow(), JSObject::GetAccessor(), Object::GetElementWithReceiver(), Expression::IsNullLiteral(), v8::internal::RUNTIME_FUNCTION(), JSObject::SetPrototype(), THREADED_PROFILED_TEST(), IC::UpdateState(), CompareNilICStub::UpdateStatus(), and ToBooleanStub::Types::UpdateStatus().

bool IsNumber

(

)

const

Returns true if this value is a number.

Definition at line 2416 of file api.cc.

References Utils::OpenHandle().

Referenced by ParserTraits::BuildUnaryExpression(), LCodeGen::EmitLoadDoubleRegister(), LCodeGen::EmitLoadRegister(), Object::GetElementWithReceiver(), KeyedLoadIC::Load(), CompareIC::NewInputState(), JSObject::SetElement(), JSObject::SetFastElement(), Runtime::SetObjectProperty(), Isolate::StackOverflow(), TEST(), THREADED_PROFILED_TEST(), and THREADED_TEST().

bool IsNumberObject

(

)

const

Returns true if this value is a Number object.

Definition at line 2478 of file api.cc.

References Isolate::heap(), and Utils::OpenHandle().

Referenced by THREADED_TEST().

bool IsObject

(

)

const

Returns true if this value is an object.

Definition at line 2411 of file api.cc.

References Utils::OpenHandle().

Referenced by TEST(), THREADED_PROFILED_TEST(), THREADED_TEST(), and Visitor42::VisitPersistentHandle().

bool IsPromise

(

)

const

Returns true if this value is a Promise. This is an experimental feature.

Definition at line 5833 of file api.cc.

References ARRAY_SIZE, Execution::Call(), Handle< T >::cast(), Isolate::context(), ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, Isolate::factory(), Context::global_object(), v8::internal::handle(), LOG_API, and Utils::OpenHandle().

bool IsRegExp

(

)

const

Returns true if this value is a RegExp.

Definition at line 2530 of file api.cc.

References Utils::OpenHandle().

bool IsString

(

)

const

Returns true if this value is an instance of the String type. See ECMA-262 8.4.

Definition at line 6265 of file v8.h.

Referenced by LoadIC::CompileHandler(), Factory::CreateApiFunction(), Runtime::GetElementOrCharAt(), Object::GetElementWithReceiver(), MessageHandler::GetMessage(), Execution::GetStackTraceLine(), Expression::IsStringLiteral(), KeyedLoadIC::Load(), CompareIC::NewInputState(), StoreIC::Store(), THREADED_PROFILED_TEST(), THREADED_TEST(), IC::UpdateState(), and ToBooleanStub::Types::UpdateStatus().

bool IsStringObject

(

)

const

Returns true if this value is a String object.

Definition at line 2462 of file api.cc.

References Isolate::heap(), and Utils::OpenHandle().

Referenced by THREADED_TEST().

bool IsSymbol

(

)

const

Returns true if this value is a symbol. This is an experimental feature.

Definition at line 2369 of file api.cc.

References Utils::OpenHandle().

Referenced by Object::GetElementWithReceiver(), JSProxy::GetPropertyWithHandler(), CompareIC::NewInputState(), Runtime::SetObjectProperty(), THREADED_TEST(), and ToBooleanStub::Types::UpdateStatus().

bool IsSymbolObject

(

)

const

Returns true if this value is a Symbol object. This is an experimental feature.

Definition at line 2469 of file api.cc.

References Isolate::heap(), and Utils::OpenHandle().

Referenced by THREADED_TEST().

bool IsTrue

(

)

const

Returns true if this value is true.

Definition at line 2347 of file api.cc.

References Utils::OpenHandle().

Referenced by Object::Delete(), JSProxy::SetPropertyViaPrototypesWithHandler(), TEST(), and THREADED_TEST().

bool IsTypedArray

(

)

const

Returns true if this value is one of TypedArrays. This is an experimental feature.

Definition at line 2389 of file api.cc.

References Utils::OpenHandle().

bool IsUint16Array

(

)

const

Returns true if this value is an Uint16Array. This is an experimental feature.

bool IsUint32

(

)

const

Returns true if this value is a 32-bit unsigned integer.

Definition at line 2441 of file api.cc.

References Smi::cast(), v8::internal::FastD2UI(), v8::internal::FastUI2D(), v8::internal::kMaxUInt32, Utils::OpenHandle(), and Smi::value().

Referenced by THREADED_PROFILED_TEST().

bool IsUint32Array

(

)

const

Returns true if this value is an Uint32Array. This is an experimental feature.

bool IsUint8Array

(

)

const

Returns true if this value is an Uint8Array. This is an experimental feature.

bool IsUint8ClampedArray

(

)

const

Returns true if this value is an Uint8ClampedArray. This is an experimental feature.

bool IsUndefined

(

)

const

Returns true if this value is the undefined value. See ECMA-262 4.3.10.

Definition at line 6229 of file v8.h.

Referenced by Execution::Call(), JSProxy::CallTrap(), Factory::CreateApiFunction(), Context::ErrorMessageForCodeGenerationFromStrings(), ExecuteString(), Shell::ExecuteString(), Runtime::GetElementOrCharAt(), Object::GetElementWithReceiver(), Runtime::GetObjectProperty(), JSProxy::GetPropertyAttributeWithHandler(), LoadIC::Load(), Runtime::NeuterArrayBuffer(), ObjectHashSet::Remove(), JSObject::SetElement(), Runtime::SetObjectProperty(), JSProxy::SetPropertyViaPrototypesWithHandler(), StoreIC::Store(), Shell::System(), THREADED_PROFILED_TEST(), THREADED_TEST(), IC::UpdateState(), CompareNilICStub::UpdateStatus(), and ToBooleanStub::Types::UpdateStatus().

double NumberValue

(

)

const

Definition at line 2829 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, OS::nan_value(), obj, Utils::OpenHandle(), and Execution::ToNumber().

Referenced by TEST(), and THREADED_TEST().

bool SameValue

(

Handle< Value >

that

)

const

Definition at line 3009 of file api.cc.

References Utils::ApiCheck(), Handle< T >::IsEmpty(), LOG_API, NULL, and Utils::OpenHandle().

Referenced by JSObject::SetElement(), JSObject::SetLocalPropertyIgnoreAttributes(), JSObject::SetPropertyForResult(), and THREADED_TEST().

bool StrictEquals

(

Handle< Value >

that

)

const

Definition at line 2977 of file api.cc.

References Utils::ApiCheck(), String::cast(), String::Equals(), Handle< T >::IsEmpty(), std::isnan(), LOG_API, NULL, and Utils::OpenHandle().

Referenced by TEST(), and THREADED_TEST().

Local< Uint32 > ToArrayIndex

(

)

const

Attempts to convert a string to an array index. Returns an empty handle if the conversion fails.

Definition at line 2901 of file api.cc.

References Handle< T >::cast(), Smi::cast(), ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, Isolate::factory(), Smi::FromInt(), Smi::kMaxValue, LOG_API, Factory::NewNumber(), Utils::OpenHandle(), Execution::ToString(), Utils::Uint32ToLocal(), and Smi::value().

Referenced by Runtime::DeleteObjectProperty(), Runtime::ForceSetObjectProperty(), Runtime::GetObjectProperty(), Runtime::HasObjectProperty(), JSObject::SetElement(), JSArray::SetElementsLength(), Runtime::SetObjectProperty(), THREADED_TEST(), and JSObject::WouldConvertToSlowElements().

Local< Boolean > ToBoolean

(

)

const

Definition at line 2587 of file api.cc.

References ENTER_V8, Isolate::factory(), LOG_API, obj, Utils::OpenHandle(), and Factory::ToBoolean().

Referenced by THREADED_PROFILED_TEST().

Local< String > ToDetailString

(

)

const

Definition at line 2553 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToDetailString().

Local< Int32 > ToInt32

(

)

const

Definition at line 2867 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToInt32().

Local< Integer > ToInteger

(

)

const

Definition at line 2619 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToInteger().

Local< Number > ToNumber

(

)

const

Definition at line 2602 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToNumber().

Referenced by THREADED_PROFILED_TEST().

Local< v8::Object > ToObject

(

)

const

Definition at line 2570 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToObject().

Referenced by v8::internal::RUNTIME_FUNCTION(), TEST(), and Factory::ToObject().

Local< String > ToString

(

)

const

Definition at line 2536 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToString().

Referenced by TEST(), THREADED_TEST(), String::Utf8Value::Utf8Value(), and String::Value::Value().

Local< Uint32 > ToUint32

(

)

const

Definition at line 2884 of file api.cc.

References ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, obj, Utils::OpenHandle(), and Execution::ToUint32().

uint32_t Uint32Value

(

)

const

Definition at line 3023 of file api.cc.

References Smi::cast(), ENTER_V8, EXCEPTION_BAILOUT_CHECK, EXCEPTION_PREAMBLE, LOG_API, Utils::OpenHandle(), Execution::ToUint32(), and Smi::value().

Referenced by THREADED_PROFILED_TEST(), and THREADED_TEST().

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

• include/v8.h
• src/api.cc