private static boolean isConstructedFromGivenClass(
@NotNull KotlinType type, @NotNull FqNameUnsafe fqName) {
ClassifierDescriptor descriptor = type.getConstructor().getDeclarationDescriptor();
return descriptor != null
&&
/* quick check to avoid creation of full FqName instance */ descriptor
.getName()
.equals(fqName.shortName())
&& fqName.equals(getFqName(descriptor));
}
/**
* @return true if this is an FQ name of a fictitious class representing the function type, e.g.
* kotlin.Function1 (but NOT kotlin.reflect.KFunction1)
*/
public static boolean isNumberedFunctionClassFqName(@NotNull FqNameUnsafe fqName) {
List<Name> segments = fqName.pathSegments();
if (segments.size() != 2) return false;
if (!BUILT_INS_PACKAGE_NAME.equals(first(segments))) return false;
String shortName = last(segments).asString();
return BuiltInFictitiousFunctionClassFactory.parseClassName(
shortName, BUILT_INS_PACKAGE_FQ_NAME)
!= null;
}
private static boolean isConstructedFromGivenClass(
@NotNull JetType type, @NotNull FqNameUnsafe fqName) {
ClassifierDescriptor descriptor = type.getConstructor().getDeclarationDescriptor();
return descriptor != null && fqName.equals(DescriptorUtils.getFqName(descriptor));
}