wuffs
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want to add encoding as well?
safe decoding is important however is limited, the puffs is designed elegant I admit and want to use in decoding some proprietary binary format, but to occasionally to write in such format is also a need, would you like to support encoding eventually? to make the cost of learning a different language more of worthy?
https://github.com/google/puffs/blob/master/std/gif/decode_lzw.puffs for example, would you make some code generator support encoding functions to enable write gif files in lzw compression?
Another motivating example for this: I just implemented pieces of BGP in Go for a project of mine. Since I'm speaking BGP to someone else, I need both parsing and serialization.
BGP is not the world's hardest protocol to parse. It's mostly basic types and TLV-encoded arrays. However, it's evolved over 20 years and a dozen or more RFCs, and as such has picked up a number of subtleties that tripped me up while implementing. Fuzz testing was very helpful, but there's a limited corpus of BGP pcaps out there, so I don't have much faith that my fuzzer is covering useful ground.
This seems like a good use case for puffs, but parsing alone is not that useful.
Yes, I absolutely want to support encoding eventually, and e.g. encoding JPEGs and PNGs are already in the doc/roadmap.md file. It just hasn't been the highest priority thing to work on so far.
Sorry if the "Parsing" name suggested otherwise. In any case, I'm probably going to change the name: https://groups.google.com/d/topic/puffslang/cSrH-s7UqwA/discussion
