private void checkCyclicConstructorDelegationCall(
@NotNull ConstructorDescriptor constructorDescriptor,
@NotNull Set<ConstructorDescriptor> visitedConstructors) {
if (visitedConstructors.contains(constructorDescriptor)) return;
// if visit constructor that is already in current chain
// such constructor is on cycle
Set<ConstructorDescriptor> visitedInCurrentChain = Sets.newHashSet();
ConstructorDescriptor currentConstructorDescriptor = constructorDescriptor;
while (true) {
visitedInCurrentChain.add(currentConstructorDescriptor);
ConstructorDescriptor delegatedConstructorDescriptor =
getDelegatedConstructor(currentConstructorDescriptor);
if (delegatedConstructorDescriptor == null) break;
// if next delegation call is super or primary constructor or already visited
if (!constructorDescriptor
.getContainingDeclaration()
.equals(delegatedConstructorDescriptor.getContainingDeclaration())
|| delegatedConstructorDescriptor.isPrimary()
|| visitedConstructors.contains(delegatedConstructorDescriptor)) {
break;
}
if (visitedInCurrentChain.contains(delegatedConstructorDescriptor)) {
reportEachConstructorOnCycle(delegatedConstructorDescriptor);
break;
}
currentConstructorDescriptor = delegatedConstructorDescriptor;
}
visitedConstructors.addAll(visitedInCurrentChain);
}
private void resolvePropertyDeclarationBodies(@NotNull BodiesResolveContext c) {
// Member properties
Set<JetProperty> processed = Sets.newHashSet();
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getDeclaredClasses().entrySet()) {
if (!(entry.getKey() instanceof JetClass)) continue;
JetClass jetClass = (JetClass) entry.getKey();
ClassDescriptorWithResolutionScopes classDescriptor = entry.getValue();
for (JetProperty property : jetClass.getProperties()) {
PropertyDescriptor propertyDescriptor = c.getProperties().get(property);
assert propertyDescriptor != null;
resolveProperty(
c,
classDescriptor.getScopeForMemberDeclarationResolution(),
property,
propertyDescriptor);
processed.add(property);
}
}
// Top-level properties & properties of objects
for (Map.Entry<JetProperty, PropertyDescriptor> entry : c.getProperties().entrySet()) {
JetProperty property = entry.getKey();
if (processed.contains(property)) continue;
PropertyDescriptor propertyDescriptor = entry.getValue();
resolveProperty(c, null, property, propertyDescriptor);
}
}
private void checkSupertypeList(
@NotNull ClassDescriptor supertypeOwner,
@NotNull Map<JetTypeReference, JetType> supertypes,
@NotNull JetClassOrObject jetClass) {
Set<TypeConstructor> allowedFinalSupertypes =
getAllowedFinalSupertypes(supertypeOwner, jetClass);
Set<TypeConstructor> typeConstructors = Sets.newHashSet();
boolean classAppeared = false;
for (Map.Entry<JetTypeReference, JetType> entry : supertypes.entrySet()) {
JetTypeReference typeReference = entry.getKey();
JetType supertype = entry.getValue();
boolean addSupertype = true;
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(supertype);
if (classDescriptor != null) {
if (ErrorUtils.isError(classDescriptor)) continue;
if (classDescriptor.getKind() != ClassKind.INTERFACE) {
if (supertypeOwner.getKind() == ClassKind.ENUM_CLASS) {
trace.report(CLASS_IN_SUPERTYPE_FOR_ENUM.on(typeReference));
addSupertype = false;
} else if (supertypeOwner.getKind() == ClassKind.INTERFACE
&& !classAppeared
&& !TypesPackage.isDynamic(supertype) /* avoid duplicate diagnostics */) {
trace.report(TRAIT_WITH_SUPERCLASS.on(typeReference));
addSupertype = false;
}
if (classAppeared) {
trace.report(MANY_CLASSES_IN_SUPERTYPE_LIST.on(typeReference));
} else {
classAppeared = true;
}
}
} else {
trace.report(SUPERTYPE_NOT_A_CLASS_OR_TRAIT.on(typeReference));
}
TypeConstructor constructor = supertype.getConstructor();
if (addSupertype && !typeConstructors.add(constructor)) {
trace.report(SUPERTYPE_APPEARS_TWICE.on(typeReference));
}
if (DescriptorUtils.isSingleton(classDescriptor)) {
trace.report(SINGLETON_IN_SUPERTYPE.on(typeReference));
} else if (constructor.isFinal() && !allowedFinalSupertypes.contains(constructor)) {
if (classDescriptor.getModality() == Modality.SEALED) {
DeclarationDescriptor containingDescriptor = supertypeOwner.getContainingDeclaration();
while (containingDescriptor != null && containingDescriptor != classDescriptor) {
containingDescriptor = containingDescriptor.getContainingDeclaration();
}
if (containingDescriptor == null) {
trace.report(SEALED_SUPERTYPE.on(typeReference));
} else {
trace.report(SEALED_SUPERTYPE_IN_LOCAL_CLASS.on(typeReference));
}
} else {
trace.report(FINAL_SUPERTYPE.on(typeReference));
}
}
}
}