@NotNull
private static Collection<CallableMemberDescriptor> extractMembersOverridableInBothWays(
@NotNull CallableMemberDescriptor overrider,
@NotNull Queue<CallableMemberDescriptor> extractFrom,
@NotNull DescriptorSink sink) {
Collection<CallableMemberDescriptor> overridable = new ArrayList<CallableMemberDescriptor>();
overridable.add(overrider);
for (Iterator<CallableMemberDescriptor> iterator = extractFrom.iterator();
iterator.hasNext(); ) {
CallableMemberDescriptor candidate = iterator.next();
if (overrider == candidate) {
iterator.remove();
continue;
}
OverrideCompatibilityInfo.Result result1 =
DEFAULT.isOverridableBy(candidate, overrider).getResult();
OverrideCompatibilityInfo.Result result2 =
DEFAULT.isOverridableBy(overrider, candidate).getResult();
if (result1 == OVERRIDABLE && result2 == OVERRIDABLE) {
overridable.add(candidate);
iterator.remove();
} else if (result1 == CONFLICT || result2 == CONFLICT) {
sink.conflict(overrider, candidate);
iterator.remove();
}
}
return overridable;
}
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) {
fromCurrent.addOverriddenDescriptor(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) {
fakeOverride.addOverriddenDescriptor(descriptor);
}
sink.addFakeOverride(fakeOverride);
}