Re: Reliable after-change-functions (via: Using incremental parsing in Emacs)

[Alan Third]

On Tue, Mar 31, 2020 at 04:14:16PM +0300, Eli Zaretskii wrote:
> 
> In any case, I hope that passing the buffer to tree-sitter doesn't
> involve marshalling the entire buffer text via a function call as a
> huge string, or some such.  We should instead request that tree-sitter
> exposes an API through which we could give it direct access to buffer
> text as 2 parts, before and after the gap, like we do with regex
> code.  Otherwise this will be a bottleneck in the long run, not unlike
> the problem we have with LSP.

I'm not sure if this is exactly what you're talking about, but it has
an API for letting it access your own data structure:

https://tree-sitter.github.io/tree-sitter/using-parsers#providing-the-code

-- 
Alan Third