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Do you often write scripts to parse a codebase and get familiar with it? (lemmy.world)

submitted 2 months ago by j4k3@lemmy.world to c/programming@programming.dev

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Playing around with the FOSS game Cataclysm DDA, I felt compelled to parse and connect the CPP and JSON to see relationships and complexity. It's the first time I've really felt motivated to do so. I'm just trying to wrap my head around how some features are implemented like z-levels, mining tools and various actions; simple stuff really. I find it challenging to parse something quite this large, so I started scripting a way to track down objects across the code base to see what is defined in JSON and what is hard coded. Normal? Obvious? FOSS alternatives to do this? I'm basically chaining a bunch of grep commands to print pretty trees with bat.

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[–] FizzyOrange@programming.dev 2 points 2 months ago (6 children)

No but I think this is probably a great use case for AI. Haven't tried it though.

[–] 31337@sh.itjust.works 7 points 2 months ago (5 children)

Nah, LLMs have severe context window limitations. It starts to get wackier after ~1000 LOC.

[–] FizzyOrange@programming.dev 3 points 2 months ago (3 children)

Gemini has a 1 million token limit. Also instead of just giving it the entire source you can give it a list of files and the ability to query them (e.g. to read an entire file, or search for usages/definitions of terms etc.).

[–] 31337@sh.itjust.works 4 points 2 months ago

Haven't tried Gemini; may work. But, in my experience with other LLMs, even if text doesn't exceed the token limit, LLMs start making more mistakes and sometimes behave strangely more often as the size of context grows.

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