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I am currently working on a terminal-based text editor. I want to support a type of syntax highlighting for .ml files I open up in the text editor. I was thinking that if there was a way that I could access the lexer used for OCaml in general, then maybe I could use that lexer to color the text I read from .ml files appropriately.

Is this possible?

Shiv
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It's definitely possible to extract the lexer from the OCaml compiler. I have done it myself for a few different projects. It might even be easier now than when I looked at the problem, because there is a software interface to the compiler internals.

On the other hand, it seems to me that some aspects of syntax highlighting depend on the syntax rather than just on the lexical structure. (Hence the name :-) So you might not get some fancier parts of the feature.

Jeffrey Scofield
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  • Thank you for your reply. I guess I really just wanted to get some basic "keyword highlighting" going rather than syntax highlighting. That being said, may I ask how I can go about this? – Shiv Nov 21 '19 at 02:42