QV4::Value Struct Reference

#include <qv4value_p.h>

Inheritance diagram for QV4::Value:

Collaboration diagram for QV4::Value:

Public Types
using	ManagedPtr = Managed *
Public Types inherited from QV4::StaticValue
enum class	TagBit {   SpecialNegative = 0b10000000000000000000 << 12 , SpecialQNaN = 0b00000000000010000000 << 12 , Special = 0b00000000000001000000 << 12 , IntCompat = 0b00000000000000100000 << 12 ,   Unmanaged = 0b00000000000000010000 << 12 , IntOrBool = 0b00000000000000001000 << 12 , Number = 0b00000000000000000100 << 12 }
enum	Type {   Managed_Type = 0 , Double_Type = 1 , Undefined_Type = 2 , Empty_Type = quint32(TagBit::Unmanaged) ,   Null_Type = Empty_Type | quint32(TagBit::IntCompat) , Boolean_Type = Null_Type | quint32(TagBit::IntOrBool) , Integer_Type = Boolean_Type | quint32(TagBit::Number) }
enum	{   Tag_Shift = 32 , IsIntegerConvertible_Shift = 48 , IsIntegerConvertible_Value = 3 , IsIntegerOrBool_Shift = 47 ,   IsIntegerOrBool_Value = 7 }
enum class	QuickType : quint32 {   Managed = Managed_Type , Empty = Empty_Type , Null = Null_Type , Boolean = Boolean_Type ,   Integer = Integer_Type , PlusInf = quint32(TagBit::Number) | quint32(TagBit::Special) | quint32(TagBit::Unmanaged) , MinusInf = PlusInf | quint32(TagBit::SpecialNegative) , NaN = PlusInf | quint32(TagBit::SpecialQNaN) ,   MinusNaN = NaN | quint32(TagBit::SpecialNegative) }
enum	{   QT_Empty = Empty_Type , QT_Null = Null_Type , QT_Bool = Boolean_Type , QT_Int = Integer_Type ,   QuickType_Shift = Tag_Shift }
using	HeapBasePtr = Heap::Base *
using	ValueTypeInternal = QuickType

Public Member Functions
bool	isString () const
bool	isStringOrSymbol () const
bool	isSymbol () const
bool	isObject () const
bool	isFunctionObject () const
QML_NEARLY_ALWAYS_INLINE String *	stringValue () const
QML_NEARLY_ALWAYS_INLINE StringOrSymbol *	stringOrSymbolValue () const
QML_NEARLY_ALWAYS_INLINE Symbol *	symbolValue () const
QML_NEARLY_ALWAYS_INLINE Object *	objectValue () const
QML_NEARLY_ALWAYS_INLINE ManagedPtr	managed () const
QML_NEARLY_ALWAYS_INLINE Value::HeapBasePtr	heapObject () const
int	toUInt16 () const
int	toInt32 () const
unsigned int	toUInt32 () const
qint64	toLength () const
qint64	toIndex () const
bool	toBoolean () const
double	toInteger () const
ReturnedValue	convertedToNumber () const
double	toNumber () const
double	toNumberImpl () const
QString	toQStringNoThrow () const
QString	toQString () const
QString	toQString (bool *ok) const
Heap::String *	toString (ExecutionEngine *e) const
QV4::PropertyKey	toPropertyKey (ExecutionEngine *e) const
Heap::Object *	toObject (ExecutionEngine *e) const
bool	isPrimitive () const
template<typename T>
const T *	as () const
template<typename T>
T *	as ()
template<typename T>
T *	cast ()
template<typename T>
const T *	cast () const
uint	asArrayLength (bool *ok) const
bool	sameValue (Value other) const
bool	sameValueZero (Value other) const
void	mark (MarkStack *markStack)
Value &	operator= (const ScopedValue &v)
Value &	operator= (ReturnedValue v)
Value &	operator= (ManagedPtr m)
Value &	operator= (HeapBasePtr o)
template<typename T>
Value &	operator= (const Scoped< T > &t)
template<>
const ArrayObject *	as () const
template<>
const FunctionObject *	as () const
template<>
const StringOrSymbol *	as () const
template<>
const String *	as () const
template<>
const DateObject *	as () const
template<>
const Managed *	as () const
template<>
const Object *	as () const
template<>
const ErrorObject *	as () const
template<>
const UrlObject *	as () const
template<>
const UrlSearchParamsObject *	as () const
Public Member Functions inherited from QV4::StaticValue
	StaticValue ()=default
constexpr	StaticValue (quint64 val)
StaticValue &	operator= (ReturnedValue v)
template<typename Value>
StaticValue &	operator= (const Value &)
template<typename Value>
const Value &	asValue () const
template<typename Value>
Value &	asValue ()
QV4_NEARLY_ALWAYS_INLINE constexpr quint64 &	rawValueRef ()
QV4_NEARLY_ALWAYS_INLINE constexpr quint64	rawValue () const
QV4_NEARLY_ALWAYS_INLINE constexpr void	setRawValue (quint64 raw)
QV4_NEARLY_ALWAYS_INLINE constexpr void	setTagValue (quint32 tag, quint32 value)
QV4_NEARLY_ALWAYS_INLINE constexpr quint32	value () const
QV4_NEARLY_ALWAYS_INLINE constexpr quint32	tag () const
QV4_NEARLY_ALWAYS_INLINE constexpr void	setTag (quint32 tag)
QV4_NEARLY_ALWAYS_INLINE constexpr int	int_32 () const
QV4_NEARLY_ALWAYS_INLINE constexpr void	setInt_32 (int i)
QV4_NEARLY_ALWAYS_INLINE uint	uint_32 () const
QV4_NEARLY_ALWAYS_INLINE constexpr void	setEmpty ()
Type	type () const
quint64	quickType () const
bool	isEmpty () const
bool	isNull () const
bool	isBoolean () const
bool	isInteger () const
bool	isNullOrUndefined () const
bool	isUndefined () const
bool	isDouble () const
bool	isNumber () const
bool	isManagedOrUndefined () const
bool	isManaged () const
bool	isIntOrBool () const
bool	integerCompatible () const
bool	isNaN () const
bool	isPositiveInt () const
QV4_NEARLY_ALWAYS_INLINE double	doubleValue () const
QV4_NEARLY_ALWAYS_INLINE void	setDouble (double d)
bool	isInt32 ()
double	asDouble () const
bool	booleanValue () const
int	integerValue () const
bool	tryIntegerConversion ()
bool	toBoolean () const
int	toInt32 () const
ReturnedValue *	data_ptr ()
constexpr ReturnedValue	asReturnedValue () const
template<>
StaticValue &	operator= (const Value &value)
template<typename Managed>
StaticValue &	operator= (const Managed &m)
template<>
Value &	asValue ()
template<>
const Value &	asValue () const

Static Public Member Functions
static constexpr Value	fromStaticValue (StaticValue staticValue)
static constexpr Value	undefined ()
static Value	fromHeapObject (HeapBasePtr m)
static bool	toBooleanImpl (Value val)
static double	toNumberImpl (Value v)
static Heap::String *	toString (ExecutionEngine *e, Value val)
static Heap::Object *	toObject (ExecutionEngine *e, Value val)
static constexpr Value	fromReturnedValue (ReturnedValue val)
static double	toInteger (double d)
static int	toInt32 (double d)
static unsigned int	toUInt32 (double d)
static constexpr Value	emptyValue ()
static constexpr Value	fromBoolean (bool b)
static constexpr Value	fromInt32 (int i)
static constexpr Value	undefinedValue ()
static constexpr Value	nullValue ()
static Value	fromDouble (double d)
static Value	fromUInt32 (uint i)
Static Public Member Functions inherited from QV4::StaticValue
static int	valueOffset ()
static int	tagOffset ()
static constexpr quint64	tagValue (quint32 tag, quint32 value)
static constexpr quint64	tagBitMask (TagBit bit)
static bool	integerCompatible (StaticValue a, StaticValue b)
static bool	bothDouble (StaticValue a, StaticValue b)
static QV4_NEARLY_ALWAYS_INLINE bool	isInt32 (double d)
static constexpr StaticValue	fromReturnedValue (ReturnedValue val)
static constexpr StaticValue	emptyValue ()
static constexpr StaticValue	fromBoolean (bool b)
static constexpr StaticValue	fromInt32 (int i)
static constexpr StaticValue	undefinedValue ()
static constexpr StaticValue	nullValue ()
static StaticValue	fromDouble (double d)
static StaticValue	fromUInt32 (uint i)
static double	toInteger (double d)
static int	toInt32 (double d)
static unsigned int	toUInt32 (double d)

Additional Inherited Members
Public Attributes inherited from QV4::StaticValue
quint64	_val
Static Public Attributes inherited from QV4::StaticValue
static constexpr quint64	ExponentMask = 0b0111111111110000ull << 48
static constexpr quint64	Top1Mask = 0b1000000000000000ull << 48
static constexpr quint64	Upper3Mask = 0b0000000000001110ull << 48
static constexpr quint64	Lower5Mask = 0b0000000000011111ull
static constexpr quint64	ManagedMask = ExponentMask | quint64(TagBit::Unmanaged) << Tag_Shift
static constexpr quint64	DoubleMask = ManagedMask | quint64(TagBit::Special) << Tag_Shift
static constexpr quint64	NumberMask = ManagedMask | quint64(TagBit::Number) << Tag_Shift
static constexpr quint64	IntOrBoolMask = ManagedMask | quint64(TagBit::IntOrBool) << Tag_Shift
static constexpr quint64	IntCompatMask = ManagedMask | quint64(TagBit::IntCompat) << Tag_Shift
static constexpr quint64	EncodeMask = DoubleMask | NumberMask
static constexpr quint64	DoubleDiscriminator = ((quint64(TagBit::Unmanaged) | quint64(TagBit::Special)) << Tag_Shift)
static constexpr quint64	NumberDiscriminator = ((quint64(TagBit::Unmanaged) | quint64(TagBit::Number)) << Tag_Shift)

Detailed Description

Definition at line 38 of file qv4value_p.h.

Member Typedef Documentation

ManagedPtr

using QV4::Value::ManagedPtr = Managed *

Definition at line 40 of file qv4value_p.h.

Member Function Documentation

as() [1/12]

template<typename T>

T * QV4::Value::as ( )

inline

Definition at line 152 of file qv4value_p.h.

as() [2/12]

template<>

const DateObject * QV4::Value::as ( ) const

inline

Definition at line 300 of file qv4dateobject_p.h.

as() [3/12]

template<>

const ErrorObject * QV4::Value::as ( ) const

inline

Definition at line 147 of file qv4errorobject_p.h.

as() [4/12]

template<>

const FunctionObject * QV4::Value::as ( ) const

inline

Definition at line 229 of file qv4functionobject_p.h.

as() [5/12]

template<>

const Managed * QV4::Value::as ( ) const

inline

Definition at line 187 of file qv4managed_p.h.

as() [6/12]

template<>

const Object * QV4::Value::as ( ) const

inline

Definition at line 192 of file qv4managed_p.h.

as() [7/12]

template<>

const ArrayObject * QV4::Value::as ( ) const

inline

Definition at line 515 of file qv4object_p.h.

as() [8/12]

template<>

const StringOrSymbol * QV4::Value::as ( ) const

inline

Definition at line 269 of file qv4string_p.h.

as() [9/12]

template<>

const String * QV4::Value::as ( ) const

inline

Definition at line 274 of file qv4string_p.h.

as() [10/12]

template<>

const UrlObject * QV4::Value::as ( ) const

inline

Definition at line 126 of file qv4urlobject_p.h.

as() [11/12]

template<>

const UrlSearchParamsObject * QV4::Value::as ( ) const

inline

Definition at line 242 of file qv4urlobject_p.h.

as() [12/12]

template<typename T>

const T * QV4::Value::as ( ) const

inline

Definition at line 135 of file qv4value_p.h.

asArrayLength()

uint Value::asArrayLength

(

bool *

ok

)

const

Definition at line 276 of file qv4value.cpp.

cast() [1/2]

template<typename T>

T * QV4::Value::cast ( )

inline

Definition at line 159 of file qv4value_p.h.

cast() [2/2]

template<typename T>

const T * QV4::Value::cast ( ) const

inline

Definition at line 162 of file qv4value_p.h.

convertedToNumber()

ReturnedValue QV4::Value::convertedToNumber ( ) const

inline

Definition at line 335 of file qv4value_p.h.

emptyValue()

constexpr Value QV4::Value::emptyValue ( )

inlinestaticconstexpr

Definition at line 182 of file qv4value_p.h.

fromBoolean()

constexpr Value QV4::Value::fromBoolean ( bool b )

inlinestaticconstexpr

Definition at line 186 of file qv4value_p.h.

fromDouble()

Value QV4::Value::fromDouble ( double d )

inlinestatic

Definition at line 202 of file qv4value_p.h.

fromHeapObject()

Value QV4::Value::fromHeapObject ( HeapBasePtr m )

inlinestatic

Definition at line 87 of file qv4value_p.h.

fromInt32()

constexpr Value QV4::Value::fromInt32 ( int i )

inlinestaticconstexpr

Definition at line 190 of file qv4value_p.h.

fromReturnedValue()

constexpr Value QV4::Value::fromReturnedValue ( ReturnedValue val )

inlinestaticconstexpr

Definition at line 168 of file qv4value_p.h.

fromStaticValue()

constexpr Value QV4::Value::fromStaticValue ( StaticValue staticValue )

inlinestaticconstexpr

Definition at line 42 of file qv4value_p.h.

fromUInt32()

Value QV4::Value::fromUInt32 ( uint i )

inlinestatic

Definition at line 206 of file qv4value_p.h.

heapObject()

QML_NEARLY_ALWAYS_INLINE Value::HeapBasePtr QV4::Value::heapObject ( ) const

inline

Definition at line 83 of file qv4value_p.h.

isFunctionObject()

bool QV4::Value::isFunctionObject ( ) const

inline

Definition at line 312 of file qv4value_p.h.

isObject()

bool QV4::Value::isObject ( ) const

inline

Definition at line 305 of file qv4value_p.h.

isPrimitive()

bool QV4::Value::isPrimitive ( ) const

inline

Definition at line 321 of file qv4value_p.h.

isString()

bool QV4::Value::isString ( ) const

inline

Definition at line 287 of file qv4value_p.h.

isStringOrSymbol()

bool QV4::Value::isStringOrSymbol ( ) const

inline

Definition at line 293 of file qv4value_p.h.

isSymbol()

bool QV4::Value::isSymbol ( ) const

inline

Definition at line 299 of file qv4value_p.h.

managed()

QML_NEARLY_ALWAYS_INLINE ManagedPtr QV4::Value::managed ( ) const

inline

Definition at line 78 of file qv4value_p.h.

mark()

void QV4::Value::mark ( MarkStack * markStack )

inline

Definition at line 280 of file qv4value_p.h.

nullValue()

constexpr Value QV4::Value::nullValue ( )

inlinestaticconstexpr

Definition at line 198 of file qv4value_p.h.

objectValue()

QML_NEARLY_ALWAYS_INLINE Object * QV4::Value::objectValue ( ) const

inline

Definition at line 73 of file qv4value_p.h.

operator=() [1/5]

template<typename T>

Value & QV4::Value::operator= ( const Scoped< T > & t )

inline

Definition at line 407 of file qv4scopedvalue_p.h.

operator=() [2/5]

Value & QV4::Value::operator= ( const ScopedValue & v )

inline

Definition at line 400 of file qv4scopedvalue_p.h.

operator=() [3/5]

Value & QV4::Value::operator= ( HeapBasePtr o )

inline

Definition at line 225 of file qv4value_p.h.

operator=() [4/5]

Value & QV4::Value::operator= ( ManagedPtr m )

inline

Definition at line 217 of file qv4value_p.h.

operator=() [5/5]

Value & QV4::Value::operator= ( ReturnedValue v )

inline

Definition at line 212 of file qv4value_p.h.

sameValue()

bool Value::sameValue

(

Value

other

)

const

Definition at line 227 of file qv4value.cpp.

sameValueZero()

bool Value::sameValueZero

(

Value

other

)

const

Definition at line 245 of file qv4value.cpp.

stringOrSymbolValue()

QML_NEARLY_ALWAYS_INLINE StringOrSymbol * QV4::Value::stringOrSymbolValue ( ) const

inline

Definition at line 63 of file qv4value_p.h.

stringValue()

QML_NEARLY_ALWAYS_INLINE String * QV4::Value::stringValue ( ) const

inline

Definition at line 58 of file qv4value_p.h.

symbolValue()

QML_NEARLY_ALWAYS_INLINE Symbol * QV4::Value::symbolValue ( ) const

inline

Definition at line 68 of file qv4value_p.h.

toBoolean()

bool QV4::Value::toBoolean ( ) const

inline

Definition at line 100 of file qv4value_p.h.

toBooleanImpl()

bool Value::toBooleanImpl ( Value val )

static

Definition at line 43 of file qv4value.cpp.

toIndex()

qint64 QV4::Value::toIndex ( ) const

inline

Definition at line 384 of file qv4value_p.h.

toInt32() [1/2]

int QV4::Value::toInt32 ( ) const

inline

Definition at line 356 of file qv4value_p.h.

toInt32() [2/2]

int QV4::Value::toInt32 ( double d )

inlinestatic

Definition at line 180 of file qv4value_p.h.

toInteger() [1/2]

double QV4::Value::toInteger ( ) const

inline

Definition at line 397 of file qv4value_p.h.

toInteger() [2/2]

double QV4::Value::toInteger ( double d )

inlinestatic

Definition at line 179 of file qv4value_p.h.

toLength()

qint64 QV4::Value::toLength ( ) const

inline

Definition at line 372 of file qv4value_p.h.

toNumber()

double QV4::Value::toNumber ( ) const

inline

Definition at line 326 of file qv4value_p.h.

toNumberImpl() [1/2]

double QV4::Value::toNumberImpl ( ) const

inline

Definition at line 111 of file qv4value_p.h.

toNumberImpl() [2/2]

double Value::toNumberImpl ( Value v )

static

Definition at line 59 of file qv4value.cpp.

toObject() [1/2]

Heap::Object * QV4::Value::toObject ( ExecutionEngine * e ) const

inline

Definition at line 125 of file qv4value_p.h.

toObject() [2/2]

Heap::Object * Value::toObject ( ExecutionEngine * e, Value val )

static

Definition at line 271 of file qv4value.cpp.

toPropertyKey()

QV4::PropertyKey Value::toPropertyKey

(

ExecutionEngine *

e

)

const

Definition at line 208 of file qv4value.cpp.

toQString() [1/2]

QString Value::toQString

(

)

const

Definition at line 159 of file qv4value.cpp.

toQString() [2/2]

QString Value::toQString

(

bool *

ok

)

const

Definition at line 179 of file qv4value.cpp.

toQStringNoThrow()

QString Value::toQStringNoThrow

(

)

const

Definition at line 123 of file qv4value.cpp.

toString() [1/2]

Heap::String * QV4::Value::toString ( ExecutionEngine * e ) const

inline

Definition at line 117 of file qv4value_p.h.

toString() [2/2]

Heap::String * Value::toString ( ExecutionEngine * e, Value val )

static

Definition at line 266 of file qv4value.cpp.

toUInt16()

int Value::toUInt16

(

)

const

Definition at line 17 of file qv4value.cpp.

toUInt32() [1/2]

unsigned int QV4::Value::toUInt32 ( ) const

inline

Definition at line 367 of file qv4value_p.h.

toUInt32() [2/2]

unsigned int QV4::Value::toUInt32 ( double d )

inlinestatic

Definition at line 181 of file qv4value_p.h.

undefined()

constexpr Value QV4::Value::undefined ( )

inlinestaticconstexpr

Definition at line 47 of file qv4value_p.h.

undefinedValue()

constexpr Value QV4::Value::undefinedValue ( )

inlinestaticconstexpr

Definition at line 194 of file qv4value_p.h.

---

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

• qtdeclarative/src/qml/jsruntime/qv4value_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4object_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4functionobject_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4string_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4dateobject_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4managed_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4scopedvalue_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4errorobject_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4urlobject_p.h (22df353c14800d2e9b6d57a9a0cb9c6baa337999)
• qtdeclarative/src/qml/jsruntime/qv4value.cpp (22df353c14800d2e9b6d57a9a0cb9c6baa337999)