private void reportCyclicInheritanceHierarchyError(
@NotNull BindingTrace trace,
@NotNull ClassDescriptor classDescriptor,
@NotNull ClassDescriptor superclass) {
PsiElement psiElement = DescriptorToSourceUtils.getSourceFromDescriptor(classDescriptor);
PsiElement elementToMark = null;
if (psiElement instanceof KtClassOrObject) {
KtClassOrObject classOrObject = (KtClassOrObject) psiElement;
for (KtSuperTypeListEntry delegationSpecifier : classOrObject.getSuperTypeListEntries()) {
KtTypeReference typeReference = delegationSpecifier.getTypeReference();
if (typeReference == null) continue;
KotlinType supertype = trace.get(TYPE, typeReference);
if (supertype != null && supertype.getConstructor() == superclass.getTypeConstructor()) {
elementToMark = typeReference;
}
}
}
if (elementToMark == null && psiElement instanceof PsiNameIdentifierOwner) {
PsiNameIdentifierOwner namedElement = (PsiNameIdentifierOwner) psiElement;
PsiElement nameIdentifier = namedElement.getNameIdentifier();
if (nameIdentifier != null) {
elementToMark = nameIdentifier;
}
}
if (elementToMark != null) {
trace.report(CYCLIC_INHERITANCE_HIERARCHY.on(elementToMark));
}
}
@NotNull
private BindingContext getBindingContext() {
return trace.getBindingContext();
}