diff options
Diffstat (limited to 'src/qmlcompiler/qqmljsutils.cpp')
| -rw-r--r-- | src/qmlcompiler/qqmljsutils.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/qmlcompiler/qqmljsutils.cpp b/src/qmlcompiler/qqmljsutils.cpp index 2e054c04df..b582bf67fc 100644 --- a/src/qmlcompiler/qqmljsutils.cpp +++ b/src/qmlcompiler/qqmljsutils.cpp @@ -222,4 +222,24 @@ bool canCompareWithVar(const QQmlJSTypeResolver *typeResolver, || typeResolver->equals(lhsType, voidType))); } +/*! \internal + + Utility method that checks if one of the registers is qobject, and the other can be + efficiently compared to it +*/ +bool canCompareWithQObject(const QQmlJSTypeResolver *typeResolver, + const QQmlJSRegisterContent &lhsContent, + const QQmlJSRegisterContent &rhsContent) +{ + Q_ASSERT(typeResolver); + const auto lhsType = typeResolver->containedType(lhsContent); + const auto rhsType = typeResolver->containedType(rhsContent); + return (lhsType->isReferenceType() + && (rhsType->isReferenceType() + || typeResolver->equals(rhsType, typeResolver->nullType()))) + || (rhsType->isReferenceType() + && (lhsType->isReferenceType() + || typeResolver->equals(lhsType, typeResolver->nullType()))); +} + QT_END_NAMESPACE |