private static Collection<CallableMemberDescriptor> extractAndBindOverridesForMember(
@NotNull CallableMemberDescriptor fromCurrent,
@NotNull Collection<? extends CallableMemberDescriptor> descriptorsFromSuper,
@NotNull ClassDescriptor current,
@NotNull DescriptorSink sink) {
Collection<CallableMemberDescriptor> bound =
new ArrayList<CallableMemberDescriptor>(descriptorsFromSuper.size());
for (CallableMemberDescriptor fromSupertype : descriptorsFromSuper) {
OverrideCompatibilityInfo.Result result =
DEFAULT.isOverridableBy(fromSupertype, fromCurrent).getResult();
boolean isVisible =
Visibilities.isVisible(ReceiverValue.IRRELEVANT_RECEIVER, fromSupertype, current);
switch (result) {
case OVERRIDABLE:
if (isVisible) {
bindOverride(fromCurrent, fromSupertype);
}
bound.add(fromSupertype);
break;
case CONFLICT:
if (isVisible) {
sink.conflict(fromSupertype, fromCurrent);
}
bound.add(fromSupertype);
break;
case INCOMPATIBLE:
break;
}
}
return bound;
}
private static void createAndBindFakeOverride(
@NotNull Collection<CallableMemberDescriptor> overridables,
@NotNull ClassDescriptor current,
@NotNull DescriptorSink sink) {
Collection<CallableMemberDescriptor> visibleOverridables =
filterVisibleFakeOverrides(current, overridables);
boolean allInvisible = visibleOverridables.isEmpty();
Collection<CallableMemberDescriptor> effectiveOverridden =
allInvisible ? overridables : visibleOverridables;
Modality modality = getMinimalModality(effectiveOverridden);
Visibility visibility = allInvisible ? Visibilities.INVISIBLE_FAKE : Visibilities.INHERITED;
CallableMemberDescriptor mostSpecific = selectMostSpecificMemberFromSuper(effectiveOverridden);
CallableMemberDescriptor fakeOverride =
mostSpecific.copy(
current, modality, visibility, CallableMemberDescriptor.Kind.FAKE_OVERRIDE, false);
for (CallableMemberDescriptor descriptor : effectiveOverridden) {
bindOverride(fakeOverride, descriptor);
}
sink.addToScope(fakeOverride);
}