Hey, Zellyn, I don't think it's possible for protoc-gen-go to do what you're asking. IIRC, protoc itself always populates this field in the field descriptor. So I don't think a plugin can actually make this distinction -- at least not without a change to protoc. And the downside to a change to protoc is that it would require all code-gen plugins (and/or runtime libraries that implement the JSON encoding) to have redundant logic for computing the canonical JSON name from the proto name.
---- *Josh Humphries* [email protected] On Wed, Jan 16, 2019 at 10:10 AM Zellyn <[email protected]> wrote: > A quick followup: a reason that including a json name for every field in > the descriptor is bad: it makes it impossible to tell whether an explicit > json_name was specified or not. So it would be impossible to give jsonpb a > mode (which it needs, imho) where it uses the protobuf field names as-is, > unless an explicit json_name was specified. > > Or am I understanding it wrong? > > Zellyn > > > On Tuesday, January 15, 2019 at 12:47:31 PM UTC-5, Zellyn wrote: >> >> Hey folks, >> >> We're trying to update the version of protoc we use for compiling our Go >> protobufs. It appears that at some point between 3.0.0 and 3.6.0, protoc >> started populating the `json_name` field option for *every* field, >> whether the option was specified or not. Is that expected? If so, could >> anyone help me track down the commit that did it? >> >> Thanks, >> >> Zellyn >> > -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/protobuf. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
