(More) permanent link for those reading this a few years later. https://github.com/protocolbuffers/protobuf/blob/5a7a4a52a79ce8fe1657b43fc06157e0bd80ade2/src/g

(More) permanent link for those reading this a few years later. https://github.com/protocolbuffers/protobuf/blob/5a7a4a52a79ce8fe1657b43fc06157e0bd80ade2/src/google/protobuf/parse_context.h#L71-L106 https://github.com/protocolbuffers/protobuf/blob/5a7a4a52a79...