this post was submitted on 19 Apr 2026
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The whole TreeSitter architecture is such a trash fire, the faster people stop building things with it, the better.
It's layers and layers of indirections with no clear need and technical decisions that make things unnecessarily complex.
So your basically writing Regexes in a custom DSL in JavaScript, combined with custom hooks written in C, from which a megabytes-large native-code parser is generated.
The complexity of the solution does not fit the niche between dead-easy TextMate grammars and plugging into an LSP.
Don't misunderstand me, I wish there was something filling that niche, but TreeSitter 100% certainly isn't it.