private static void recursivelyAddDescriptors(
Descriptor message, Set<Descriptor> descriptors, ExtensionRegistry registry) {
if (descriptors.contains(message)) {
return;
}
descriptors.add(message);
for (FieldDescriptor f : message.getFields()) {
recursivelyAddDescriptors(f, descriptors, registry);
}
for (FieldDescriptor f : message.getExtensions()) {
recursivelyAddDescriptors(f, descriptors, registry);
}
for (ExtensionInfo info :
registry.getAllImmutableExtensionsByExtendedType(message.getFullName())) {
recursivelyAddDescriptors(info.descriptor, descriptors, registry);
}
for (ExtensionInfo info :
registry.getAllMutableExtensionsByExtendedType(message.getFullName())) {
recursivelyAddDescriptors(info.descriptor, descriptors, registry);
}
}
