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QMetaType: remove compatibility code for MSVC 2013

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We use the constexpr code for MSVC 2015.

Change-Id: I91f63171877743978cb3fffd153ad52a3ee293d0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
This commit is contained in:
Thiago Macieira 2018-06-23 08:56:40 -07:00
parent 36818779b9
commit f05d1b0856
1 changed files with 6 additions and 20 deletions
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26
src/corelib/kernel/qmetatype.cpp
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@ -835,15 +835,14 @@ void QMetaType::registerStreamOperators(int idx, SaveOperator saveOp,
}
#endif // QT_NO_DATASTREAM
#if defined(Q_COMPILER_CONSTEXPR) || (defined(Q_CC_MSVC) && Q_CC_MSVC >= 1900)
// We don't officially support constexpr in MSVC 2015, but the limited support it
// has is enough for the code below.
# define STRINGIFY_TYPE_NAME(MetaTypeName, TypeId, RealName) \
#define STRINGIFY_TYPE_NAME(MetaTypeName, TypeId, RealName) \
#RealName "\0"
# define CALCULATE_TYPE_LEN(MetaTypeName, TypeId, RealName) \
#define CALCULATE_TYPE_LEN(MetaTypeName, TypeId, RealName) \
short(sizeof(#RealName)),
# define MAP_TYPE_ID_TO_IDX(MetaTypeName, TypeId, RealName) \
#define MAP_TYPE_ID_TO_IDX(MetaTypeName, TypeId, RealName) \
TypeId,
namespace {
@ -911,10 +910,9 @@ template <int... TypeIds> struct MetaTypeOffsets<QtPrivate::IndexesList<TypeIds.
} // anonymous namespace
constexpr MetaTypeOffsets<QtPrivate::Indexes<QMetaType::HighestInternalId + 1>::Value> metaTypeNames {};
# undef STRINGIFY_TYPE_NAME
# undef CALCULATE_TYPE_LEN
# undef MAP_TYPE_ID_TO_IDX
#endif
#undef STRINGIFY_TYPE_NAME
#undef CALCULATE_TYPE_LEN
#undef MAP_TYPE_ID_TO_IDX
/*!
Returns the type name associated with the given \a typeId, or a null
@ -926,20 +924,8 @@ constexpr MetaTypeOffsets<QtPrivate::Indexes<QMetaType::HighestInternalId + 1>::
const char *QMetaType::typeName(int typeId)
{
const uint type = typeId;
#define QT_METATYPE_TYPEID_TYPENAME_CONVERTER(MetaTypeName, TypeId, RealName) \
case QMetaType::MetaTypeName: return #RealName; break;
if (Q_LIKELY(type <= QMetaType::HighestInternalId)) {
#if defined(Q_COMPILER_CONSTEXPR) || (defined(Q_CC_MSVC) && Q_CC_MSVC >= 1900)
return metaTypeNames[typeId];
#else
switch (QMetaType::Type(type)) {
QT_FOR_EACH_STATIC_TYPE(QT_METATYPE_TYPEID_TYPENAME_CONVERTER)
case QMetaType::UnknownType:
case QMetaType::User:
break;
}
#endif
} else if (Q_UNLIKELY(type < QMetaType::User)) {
return nullptr; // It can happen when someone cast int to QVariant::Type, we should not crash...
}