qtypeinfo.h File Reference

(cbe886d1287bca3d32f10d669f52603fe28daac4)

#include <QtCore/qcompilerdetection.h>
#include <QtCore/qcontainerfwd.h>
#include <type_traits>

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Classes
class	QTypeInfo< T >
class	QTypeInfo< void >
class	QTypeInfoMerger< T, Ts >
	\inmodule QtCore More...
class	QTypeInfo< std::pair< T1, T2 > >

Namespaces
namespace	QtPrivate

Macros
#define	Q_DECLARE_MOVABLE_CONTAINER(CONTAINER)
#define	Q_DECLARE_TYPEINFO_BODY(TYPE, FLAGS)
#define	Q_DECLARE_TYPEINFO(TYPE, FLAGS)

Enumerations
enum	{   Q_COMPLEX_TYPE = 0 , Q_PRIMITIVE_TYPE = 0x1 , Q_RELOCATABLE_TYPE = 0x2 , Q_MOVABLE_TYPE = 0x2 ,   Q_DUMMY_TYPE = 0x4 }

Functions
	Q_DECLARE_MOVABLE_CONTAINER (QList)
	Q_DECLARE_MOVABLE_CONTAINER (QQueue)
	Q_DECLARE_MOVABLE_CONTAINER (QStack)
	Q_DECLARE_MOVABLE_CONTAINER (QSet)
	Q_DECLARE_MOVABLE_CONTAINER (QMap)
	Q_DECLARE_MOVABLE_CONTAINER (QMultiMap)
	Q_DECLARE_MOVABLE_CONTAINER (QHash)
	Q_DECLARE_MOVABLE_CONTAINER (QMultiHash)
	Q_DECLARE_MOVABLE_CONTAINER (QCache)
template<typename T>
	Q_DECLARE_TYPEINFO_BODY (QFlags< T >, Q_PRIMITIVE_TYPE)

Variables
template<typename T>
constexpr bool	QtPrivate::qIsComplex
template<typename T>
constexpr bool	QtPrivate::qIsRelocatable = std::is_trivially_copyable_v<T> && std::is_trivially_destructible_v<T>
template<typename T>
constexpr bool	QtPrivate::qIsQtRelocatableContainer = false
template<typename T>
constexpr bool	QtPrivate::qIsValueInitializationBitwiseZero

Macro Definition Documentation

Q_DECLARE_MOVABLE_CONTAINER

#define Q_DECLARE_MOVABLE_CONTAINER

(

CONTAINER

)

Value:

namespace QtPrivate { \
template <typename ...T> constexpr bool qIsQtRelocatableContainer<CONTAINER<T...>> = true; \
} \
template <typename ...T> \
class QTypeInfo<CONTAINER<T...>> \
{ \
public: \
    enum { \
        isPointer [[deprecated("Use std::is_pointer instead")]] = false, \
        isIntegral [[deprecated("Use std::is_integral instead")]] = false, \
        isComplex = true, \
        isRelocatable = true, \
        isValueInitializationBitwiseZero = false, \
    }; \
}

Definition at line 133 of file qtypeinfo.h.

Q_DECLARE_TYPEINFO

#define Q_DECLARE_TYPEINFO	(		TYPE,
			FLAGS )

Value:

template<> \
Q_DECLARE_TYPEINFO_BODY(TYPE, FLAGS)

Definition at line 197 of file qtypeinfo.h.

Q_DECLARE_TYPEINFO_BODY

#define Q_DECLARE_TYPEINFO_BODY	(		TYPE,
			FLAGS )

Value:

class QTypeInfo<TYPE > \
{ \
public: \
    enum { \
        isComplex = (((FLAGS) & Q_PRIMITIVE_TYPE) == 0) && QtPrivate::qIsComplex<TYPE>, \
        isRelocatable = !isComplex || ((FLAGS) & Q_RELOCATABLE_TYPE) || QtPrivate::qIsRelocatable<TYPE>, \
        isPointer [[deprecated("Use std::is_pointer instead")]] = std::is_pointer_v< TYPE >, \
        isIntegral [[deprecated("Use std::is_integral instead")]] = std::is_integral< TYPE >::value, \
        isValueInitializationBitwiseZero = QtPrivate::qIsValueInitializationBitwiseZero<TYPE>, \
    }; \
    static_assert(!QTypeInfo<TYPE>::isRelocatable || \
                  std::is_copy_constructible_v<TYPE > || \
                  std::is_move_constructible_v<TYPE >, \
                  #TYPE " is neither copy- nor move-constructible, so cannot be Q_RELOCATABLE_TYPE"); \
}

Definition at line 180 of file qtypeinfo.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
Q_COMPLEX_TYPE
Q_PRIMITIVE_TYPE
Q_RELOCATABLE_TYPE
Q_MOVABLE_TYPE
Q_DUMMY_TYPE

Definition at line 172 of file qtypeinfo.h.

Function Documentation

Q_DECLARE_MOVABLE_CONTAINER() [1/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QCache

)

Q_DECLARE_MOVABLE_CONTAINER() [2/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QHash

)

Q_DECLARE_MOVABLE_CONTAINER() [3/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QList

)

Q_DECLARE_MOVABLE_CONTAINER() [4/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QMap

)

Q_DECLARE_MOVABLE_CONTAINER() [5/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QMultiHash

)

Q_DECLARE_MOVABLE_CONTAINER() [6/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QMultiMap

)

Q_DECLARE_MOVABLE_CONTAINER() [7/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QQueue

)

Q_DECLARE_MOVABLE_CONTAINER() [8/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QSet

)

Q_DECLARE_MOVABLE_CONTAINER() [9/9]

Q_DECLARE_MOVABLE_CONTAINER

(

QStack

)

Q_DECLARE_TYPEINFO_BODY()

template<typename T>

Q_DECLARE_TYPEINFO_BODY	(	QFlags< T >	,
		Q_PRIMITIVE_TYPE	)