/** Read a {@code group} field value from the stream. */
public <T extends MessageLite> T readGroup(
final int fieldNumber, final Parser<T> parser, final ExtensionRegistryLite extensionRegistry)
throws IOException {
if (recursionDepth >= recursionLimit) {
throw InvalidProtocolBufferException.recursionLimitExceeded();
}
++recursionDepth;
T result = parser.parsePartialFrom(this, extensionRegistry);
checkLastTagWas(WireFormat.makeTag(fieldNumber, WireFormat.WIRETYPE_END_GROUP));
--recursionDepth;
return result;
}
/** Read an embedded message field value from the stream. */
public <T extends MessageLite> T readMessage(
final Parser<T> parser, final ExtensionRegistryLite extensionRegistry) throws IOException {
int length = readRawVarint32();
if (recursionDepth >= recursionLimit) {
throw InvalidProtocolBufferException.recursionLimitExceeded();
}
final int oldLimit = pushLimit(length);
++recursionDepth;
T result = parser.parsePartialFrom(this, extensionRegistry);
checkLastTagWas(0);
--recursionDepth;
popLimit(oldLimit);
return result;
}