@Override
public boolean isVisible(
@NotNull ReceiverValue receiver,
@NotNull DeclarationDescriptorWithVisibility what,
@NotNull DeclarationDescriptor from) {
DeclarationDescriptor parent = what;
while (parent != null) {
parent = parent.getContainingDeclaration();
if ((parent instanceof ClassDescriptor && !DescriptorUtils.isCompanionObject(parent))
|| parent instanceof PackageFragmentDescriptor) {
break;
}
}
if (parent == null) {
return false;
}
DeclarationDescriptor fromParent = from;
while (fromParent != null) {
if (parent == fromParent) {
return true;
}
if (fromParent instanceof PackageFragmentDescriptor) {
return parent instanceof PackageFragmentDescriptor
&& ((PackageFragmentDescriptor) parent)
.getFqName()
.equals(((PackageFragmentDescriptor) fromParent).getFqName())
&& DescriptorUtils.areInSameModule(fromParent, parent);
}
fromParent = fromParent.getContainingDeclaration();
}
return false;
}
@Nullable
private LazyClassDescriptor computeCompanionObjectDescriptor(
@Nullable KtObjectDeclaration companionObject) {
KtClassLikeInfo companionObjectInfo = getCompanionObjectInfo(companionObject);
if (!(companionObjectInfo instanceof KtClassOrObjectInfo)) {
return null;
}
Name name = ((KtClassOrObjectInfo) companionObjectInfo).getName();
assert name != null;
getUnsubstitutedMemberScope()
.getContributedClassifier(name, NoLookupLocation.WHEN_GET_COMPANION_OBJECT);
ClassDescriptor companionObjectDescriptor =
c.getTrace().get(BindingContext.CLASS, companionObject);
if (companionObjectDescriptor instanceof LazyClassDescriptor) {
assert DescriptorUtils.isCompanionObject(companionObjectDescriptor)
: "Not a companion object: " + companionObjectDescriptor;
return (LazyClassDescriptor) companionObjectDescriptor;
} else {
return null;
}
}
@Override
public boolean isVisible(
@NotNull ReceiverValue receiver,
@NotNull DeclarationDescriptorWithVisibility what,
@NotNull DeclarationDescriptor from) {
ClassDescriptor classDescriptor =
DescriptorUtils.getParentOfType(what, ClassDescriptor.class);
if (DescriptorUtils.isCompanionObject(classDescriptor)) {
classDescriptor =
DescriptorUtils.getParentOfType(classDescriptor, ClassDescriptor.class);
}
if (classDescriptor == null) return false;
ClassDescriptor fromClass =
DescriptorUtils.getParentOfType(from, ClassDescriptor.class, false);
if (fromClass == null) return false;
if (DescriptorUtils.isSubclass(fromClass, classDescriptor)) {
return true;
}
return isVisible(receiver, what, fromClass.getContainingDeclaration());
}