diff options
Diffstat (limited to 'src/corelib/kernel/qmetatype.h')
| -rw-r--r-- | src/corelib/kernel/qmetatype.h | 69 |
1 files changed, 51 insertions, 18 deletions
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index da1159223d..e3ef1474da 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -92,6 +92,12 @@ inline constexpr int qMetaTypeId(); #else # define QT_FOR_EACH_STATIC_REGULAR_EXPRESSION(F) #endif +#ifndef QT_NO_VARIANT +# define QT_FOR_EACH_STATIC_QVARIANT(F) \ + F(QVariant, 41, QVariant) +#else +# define QT_FOR_EACH_STATIC_QVARIANT(F) +#endif #define QT_FOR_EACH_STATIC_CORE_CLASS(F)\ F(QChar, 7, QChar) \ @@ -113,7 +119,7 @@ inline constexpr int qMetaTypeId(); F(QPointF, 26, QPointF) \ QT_FOR_EACH_STATIC_EASINGCURVE(F) \ F(QUuid, 30, QUuid) \ - F(QVariant, 41, QVariant) \ + QT_FOR_EACH_STATIC_QVARIANT(F) \ QT_FOR_EACH_STATIC_REGULAR_EXPRESSION(F) \ F(QJsonValue, 45, QJsonValue) \ F(QJsonObject, 46, QJsonObject) \ @@ -128,13 +134,20 @@ inline constexpr int qMetaTypeId(); #define QT_FOR_EACH_STATIC_CORE_POINTER(F)\ F(QObjectStar, 39, QObject*) -#define QT_FOR_EACH_STATIC_CORE_TEMPLATE(F)\ +#ifndef QT_NO_VARIANT +# define QT_FOR_EACH_STATIC_CORE_TEMPLATE(F)\ F(QVariantMap, 8, QVariantMap) \ F(QVariantList, 9, QVariantList) \ F(QVariantHash, 28, QVariantHash) \ F(QVariantPair, 58, QVariantPair) \ F(QByteArrayList, 49, QByteArrayList) \ F(QStringList, 11, QStringList) \ + /**/ +#else +# define QT_FOR_EACH_STATIC_CORE_TEMPLATE(F)\ + F(QByteArrayList, 49, QByteArrayList) \ + F(QStringList, 11, QStringList) +#endif #if QT_CONFIG(shortcut) #define QT_FOR_EACH_STATIC_KEYSEQUENCE_CLASS(F)\ @@ -188,12 +201,20 @@ inline constexpr int qMetaTypeId(); F(UInt, -1, uint, "quint32") \ F(LongLong, -1, qlonglong, "qint64") \ F(ULongLong, -1, qulonglong, "quint64") \ + F(QByteArrayList, -1, QByteArrayList, "QList<QByteArray>") \ + F(QStringList, -1, QStringList, "QList<QString>") \ + QT_FOR_EACH_STATIC_VARIANT_ALIAS_TYPE(F) + +#ifndef QT_NO_VARIANT +#define QT_FOR_EACH_STATIC_VARIANT_ALIAS_TYPE(F) \ F(QVariantList, -1, QVariantList, "QList<QVariant>") \ F(QVariantMap, -1, QVariantMap, "QMap<QString,QVariant>") \ F(QVariantHash, -1, QVariantHash, "QHash<QString,QVariant>") \ F(QVariantPair, -1, QVariantPair, "QPair<QVariant,QVariant>") \ - F(QByteArrayList, -1, QByteArrayList, "QList<QByteArray>") \ - F(QStringList, -1, QStringList, "QList<QString>") \ + /**/ +#else +#define QT_FOR_EACH_STATIC_VARIANT_ALIAS_TYPE(F) +#endif #define QT_FOR_EACH_STATIC_TYPE(F)\ QT_FOR_EACH_STATIC_PRIMITIVE_TYPE(F)\ @@ -246,7 +267,14 @@ using NonConstMetaTypeInterface = const QMetaTypeInterface; class QMetaTypeInterface { public: - ushort revision; // 0 in Qt 6.0. Can increase if new field are added + + /* Revision: Can increase if new field are added, or if semantics changes + 0: Initial Revision + 1: the meaning of the NeedsDestruction flag changed + */ + static inline constexpr ushort CurrentRevision = 1; + + ushort revision; ushort alignment; uint size; uint flags; @@ -2228,6 +2256,7 @@ struct is_std_pair<std::pair<T1_, T2_>> : std::true_type { using T2 = T2_; }; +namespace TypeNameHelper { template<typename T> constexpr auto typenameHelper() { @@ -2269,15 +2298,15 @@ constexpr auto typenameHelper() QT_STRINGIFY(QT_NAMESPACE) "::" #endif #if defined(Q_CC_MSVC) && defined(Q_CC_CLANG) - "auto __cdecl QtPrivate::typenameHelper(void) [T = " + "auto __cdecl QtPrivate::TypeNameHelper::typenameHelper(void) [T = " #elif defined(Q_CC_MSVC) - "auto __cdecl QtPrivate::typenameHelper<" + "auto __cdecl QtPrivate::TypeNameHelper::typenameHelper<" #elif defined(Q_CC_CLANG) - "auto QtPrivate::typenameHelper() [T = " + "auto QtPrivate::TypeNameHelper::typenameHelper() [T = " #elif defined(Q_CC_GHS) - "auto QtPrivate::typenameHelper<T>()[with T=" + "auto QtPrivate::TypeNameHelper::typenameHelper<T>()[with T=" #else - "constexpr auto QtPrivate::typenameHelper() [with T = " + "constexpr auto QtPrivate::TypeNameHelper::typenameHelper() [with T = " #endif ) - 1; #if defined(Q_CC_MSVC) && !defined(Q_CC_CLANG) @@ -2303,6 +2332,8 @@ constexpr auto typenameHelper() return result; } } +} // namespace TypeNameHelper +using TypeNameHelper::typenameHelper; template<typename T, typename = void> struct BuiltinMetaType : std::integral_constant<int, 0> @@ -2359,18 +2390,20 @@ struct QDebugStreamOperatorForType <T, false> template<typename T, bool = QTypeTraits::has_stream_operator_v<QDataStream, T>> struct QDataStreamOperatorForType { - static void dataStreamOut(const QMetaTypeInterface *, QDataStream &ds, const void *a) - { ds << *reinterpret_cast<const T *>(a); } - static void dataStreamIn(const QMetaTypeInterface *, QDataStream &ds, void *a) - { ds >> *reinterpret_cast<T *>(a); } + static constexpr QMetaTypeInterface::DataStreamOutFn dataStreamOut = nullptr; + static constexpr QMetaTypeInterface::DataStreamInFn dataStreamIn = nullptr; }; +#ifndef QT_NO_DATASTREAM template<typename T> -struct QDataStreamOperatorForType <T, false> +struct QDataStreamOperatorForType <T, true> { - static constexpr QMetaTypeInterface::DataStreamOutFn dataStreamOut = nullptr; - static constexpr QMetaTypeInterface::DataStreamInFn dataStreamIn = nullptr; + static void dataStreamOut(const QMetaTypeInterface *, QDataStream &ds, const void *a) + { ds << *reinterpret_cast<const T *>(a); } + static void dataStreamIn(const QMetaTypeInterface *, QDataStream &ds, void *a) + { ds >> *reinterpret_cast<T *>(a); } }; +#endif // Performance optimization: // @@ -2463,7 +2496,7 @@ struct QMetaTypeInterfaceWrapper using InterfaceType = std::conditional_t<IsConstMetaTypeInterface, const QMetaTypeInterface, NonConstMetaTypeInterface>; static inline InterfaceType metaType = { - /*.revision=*/ 0, + /*.revision=*/ QMetaTypeInterface::CurrentRevision, /*.alignment=*/ alignof(T), /*.size=*/ sizeof(T), /*.flags=*/ QMetaTypeForType<T>::Flags, |