private static JetDelegatorToSuperCall findSuperCall(
BindingContext bindingContext, JetElement classOrObject) {
if (!(classOrObject instanceof JetClassOrObject)) {
return null;
}
if (classOrObject instanceof JetClass && ((JetClass) classOrObject).isTrait()) {
return null;
}
for (JetDelegationSpecifier specifier :
((JetClassOrObject) classOrObject).getDelegationSpecifiers()) {
if (specifier instanceof JetDelegatorToSuperCall) {
JetType superType = bindingContext.get(TYPE, specifier.getTypeReference());
assert superType != null;
ClassDescriptor superClassDescriptor =
(ClassDescriptor) superType.getConstructor().getDeclarationDescriptor();
assert superClassDescriptor != null;
if (!isInterface(superClassDescriptor)) {
return (JetDelegatorToSuperCall) specifier;
}
}
}
return null;
}
public static void reportCyclicInheritanceHierarchyError(
@NotNull BindingTrace trace,
@NotNull ClassDescriptor classDescriptor,
@NotNull ClassDescriptor superclass) {
PsiElement psiElement =
BindingContextUtils.classDescriptorToDeclaration(
trace.getBindingContext(), classDescriptor);
PsiElement elementToMark = null;
if (psiElement instanceof JetClassOrObject) {
JetClassOrObject classOrObject = (JetClassOrObject) psiElement;
for (JetDelegationSpecifier delegationSpecifier : classOrObject.getDelegationSpecifiers()) {
JetTypeReference typeReference = delegationSpecifier.getTypeReference();
if (typeReference == null) continue;
JetType 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));
}
}
private void checkTypesInClassHeader(@NotNull JetClassOrObject classOrObject) {
for (JetDelegationSpecifier delegationSpecifier : classOrObject.getDelegationSpecifiers()) {
checkBoundsForTypeInClassHeader(delegationSpecifier.getTypeReference());
}
if (!(classOrObject instanceof JetClass)) return;
JetClass jetClass = (JetClass) classOrObject;
for (JetTypeParameter jetTypeParameter : jetClass.getTypeParameters()) {
checkBoundsForTypeInClassHeader(jetTypeParameter.getExtendsBound());
checkFinalUpperBounds(jetTypeParameter.getExtendsBound());
}
for (JetTypeConstraint constraint : jetClass.getTypeConstraints()) {
checkBoundsForTypeInClassHeader(constraint.getBoundTypeReference());
checkFinalUpperBounds(constraint.getBoundTypeReference());
}
}
private void checkEnumEntry(
@NotNull JetEnumEntry enumEntry, @NotNull ClassDescriptor classDescriptor) {
DeclarationDescriptor declaration = classDescriptor.getContainingDeclaration();
assert DescriptorUtils.isEnumClass(declaration)
: "Enum entry should be declared in enum class: " + classDescriptor;
ClassDescriptor enumClass = (ClassDescriptor) declaration;
if (enumEntryUsesDeprecatedSuperConstructor(enumEntry)) {
trace.report(
Errors.ENUM_ENTRY_USES_DEPRECATED_SUPER_CONSTRUCTOR.on(enumEntry, classDescriptor));
}
String neededDelimiter = enumEntryExpectedDelimiter(enumEntry);
if (!neededDelimiter.isEmpty()) {
trace.report(
Errors.ENUM_ENTRY_USES_DEPRECATED_OR_NO_DELIMITER.on(
enumEntry, classDescriptor, neededDelimiter));
}
if (enumEntryAfterEnumMember(enumEntry)) {
trace.report(Errors.ENUM_ENTRY_AFTER_ENUM_MEMBER.on(enumEntry, classDescriptor));
}
List<JetDelegationSpecifier> delegationSpecifiers = enumEntry.getDelegationSpecifiers();
ConstructorDescriptor constructor = enumClass.getUnsubstitutedPrimaryConstructor();
if ((constructor == null || !constructor.getValueParameters().isEmpty())
&& delegationSpecifiers.isEmpty()) {
trace.report(ENUM_ENTRY_SHOULD_BE_INITIALIZED.on(enumEntry, enumClass));
}
for (JetDelegationSpecifier delegationSpecifier : delegationSpecifiers) {
JetTypeReference typeReference = delegationSpecifier.getTypeReference();
if (typeReference != null) {
JetType type = trace.getBindingContext().get(TYPE, typeReference);
if (type != null) {
JetType enumType = enumClass.getDefaultType();
if (!type.getConstructor().equals(enumType.getConstructor())) {
trace.report(ENUM_ENTRY_ILLEGAL_TYPE.on(typeReference, enumClass));
}
}
}
}
}