private static <D extends CallableDescriptor> void collectAllOverriddenDescriptors( @NotNull D current, @NotNull Set<D> result) { if (result.contains(current)) return; for (CallableDescriptor callableDescriptor : current.getOriginal().getOverriddenDescriptors()) { @SuppressWarnings("unchecked") D descriptor = (D) callableDescriptor; collectAllOverriddenDescriptors(descriptor, result); result.add(descriptor); } }
@NotNull @SuppressWarnings("unchecked") public static <D extends CallableMemberDescriptor> Set<D> getAllOverriddenDeclarations( @NotNull D memberDescriptor) { Set<D> result = new HashSet<D>(); for (CallableMemberDescriptor overriddenDeclaration : memberDescriptor.getOverriddenDescriptors()) { CallableMemberDescriptor.Kind kind = overriddenDeclaration.getKind(); if (kind == DECLARATION) { result.add((D) overriddenDeclaration); } else if (kind == DELEGATION || kind == FAKE_OVERRIDE || kind == SYNTHESIZED) { // do nothing } else { throw new AssertionError("Unexpected callable kind " + kind); } result.addAll(getAllOverriddenDeclarations((D) overriddenDeclaration)); } return result; }
@NotNull private static Collection<CallableMemberDescriptor> getAllDeclaredNonOverridableOverriddenDescriptors( @NotNull CallableMemberDescriptor callableMemberDescriptor) { Set<CallableMemberDescriptor> result = Sets.newHashSet(); Collection<CallableMemberDescriptor> nonOverridableOverriddenDescriptors = retainNonOverridableMembers(callableMemberDescriptor.getOverriddenDescriptors()); for (CallableMemberDescriptor overriddenDescriptor : nonOverridableOverriddenDescriptors) { CallableMemberDescriptor.Kind kind = overriddenDescriptor.getKind(); if (kind == DECLARATION) { result.add(overriddenDescriptor); } else if (kind == FAKE_OVERRIDE || kind == DELEGATION) { result.addAll(getAllDeclaredNonOverridableOverriddenDescriptors(overriddenDescriptor)); } else if (kind == SYNTHESIZED) { // do nothing, final synthesized members can't be made open } else { throw new UnsupportedOperationException("Unexpected callable kind " + kind); } } return result; }