Qt 6.x
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Public Member Functions | Static Public Member Functions | List of all members
QV4::Symbol Struct Reference

#include <qv4symbol_p.h>

+ Inheritance diagram for QV4::Symbol:
+ Collaboration diagram for QV4::Symbol:

Public Member Functions

QString descriptiveString () const
 
- Public Member Functions inherited from QV4::StringOrSymbol
PropertyKey propertyKey () const
 
PropertyKey toPropertyKey () const
 
QString toQString () const
 
- Public Member Functions inherited from QV4::Managed
Heap::InternalClass * internalClass () const
 
const VTable * vtable () const
 
ExecutionEngine * engine () const
 
bool isV4SequenceType () const
 
bool isQmlListPropertyType () const
 
bool isArrayLike () const
 
bool isArrayObject () const
 
bool isStringObject () const
 
bool isSymbolObject () const
 
QString className () const
 
bool isEqualTo (const Managed *other) const
 
bool inUse () const
 
bool markBit () const
 
void mark (MarkStack *markStack)
 
Q_ALWAYS_INLINE Heap::Base * heapObject () const
 
template<typename T >
T * cast ()
 
template<typename T >
const T * cast () const
 
- Public Member Functions inherited from QV4::Value
 Value ()=default
 
constexpr Value (quint64 val)
 
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 DateObject * 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 V4_NEEDS_DESTROY Heap::Symbol * create (ExecutionEngine *e, const QString &s)
 
- Static Public Member Functions inherited from QV4::Value
static constexpr Value fromStaticValue (StaticValue staticValue)
 
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 Types inherited from QV4::StringOrSymbol
enum  { IsStringOrSymbol = true }
 
- Public Types inherited from QV4::Managed
enum  {
  IsExecutionContext = false , IsString = false , IsStringOrSymbol = false , IsObject = false ,
  IsFunctionObject = false , IsErrorObject = false , IsArrayData = false
}
 
enum  { NInlineProperties = 0 }
 
enum  Type {
  Type_Invalid , Type_String , Type_Object , Type_Symbol ,
  Type_ArrayObject , Type_FunctionObject , Type_GeneratorObject , Type_BooleanObject ,
  Type_NumberObject , Type_StringObject , Type_SymbolObject , Type_DateObject ,
  Type_RegExpObject , Type_ErrorObject , Type_ArgumentsObject , Type_JsonObject ,
  Type_MathObject , Type_ProxyObject , Type_UrlObject , Type_UrlSearchParamsObject ,
  Type_ExecutionContext , Type_InternalClass , Type_SetIteratorObject , Type_MapIteratorObject ,
  Type_ArrayIteratorObject , Type_StringIteratorObject , Type_ForInIterator , Type_RegExp ,
  Type_V4Sequence , Type_QmlListProperty
}
 
- Public Types inherited from QV4::Value
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 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)
 
- Static Protected Member Functions inherited from QV4::Managed
static bool virtualIsEqualTo (Managed *m, Managed *other)
 
- Static Protected Attributes inherited from QV4::VTableBase
static constexpr VTable::Destroy virtualDestroy = nullptr
 
static constexpr VTable::IsEqualTo virtualIsEqualTo = nullptr
 
static constexpr VTable::Get virtualGet = nullptr
 
static constexpr VTable::Put virtualPut = nullptr
 
static constexpr VTable::DeleteProperty virtualDeleteProperty = nullptr
 
static constexpr VTable::HasProperty virtualHasProperty = nullptr
 
static constexpr VTable::GetOwnProperty virtualGetOwnProperty = nullptr
 
static constexpr VTable::DefineOwnProperty virtualDefineOwnProperty = nullptr
 
static constexpr VTable::IsExtensible virtualIsExtensible = nullptr
 
static constexpr VTable::PreventExtensions virtualPreventExtensions = nullptr
 
static constexpr VTable::GetPrototypeOf virtualGetPrototypeOf = nullptr
 
static constexpr VTable::SetPrototypeOf virtualSetPrototypeOf = nullptr
 
static constexpr VTable::GetLength virtualGetLength = nullptr
 
static constexpr VTable::OwnPropertyKeys virtualOwnPropertyKeys = nullptr
 
static constexpr VTable::InstanceOf virtualInstanceOf = nullptr
 
static constexpr VTable::Call virtualCall = nullptr
 
static constexpr VTable::CallAsConstructor virtualCallAsConstructor = nullptr
 
static constexpr VTable::CallWithMetaTypes virtualCallWithMetaTypes = nullptr
 
static constexpr VTable::ResolveLookupGetter virtualResolveLookupGetter = nullptr
 
static constexpr VTable::ResolveLookupSetter virtualResolveLookupSetter = nullptr
 
static constexpr VTable::Metacall virtualMetacall = nullptr
 

Detailed Description

Definition at line 66 of file qv4symbol_p.h.

Member Function Documentation

◆ create()

Heap::Symbol * Symbol::create ( ExecutionEngine *  e,
const QString &  s 
)
static

Definition at line 141 of file qv4symbol.cpp.

References e, and Q_ASSERT.

Referenced by QV4::ExecutionEngine::ExecutionEngine(), QV4::IdentifierTable::insertSymbol(), QJSEngine::newSymbol(), and QV4::SymbolCtor::virtualCall().

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◆ descriptiveString()

QString Symbol::descriptiveString ( ) const

Definition at line 147 of file qv4symbol.cpp.

References QString::mid(), and QV4::Heap::StringOrSymbol::toQString().

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