Re: Tree-sitter api

[Eli Zaretskii]

> From: Yuan Fu <casouri@gmail.com>
> Date: Mon, 13 Sep 2021 11:29:01 -0700
> Cc: Tuấn-Anh Nguyễn <ubolonton@gmail.com>,
>  Theodor Thornhill <theo@thornhill.no>,
>  Clément Pit-Claudel <cpitclaudel@gmail.com>,
>  Emacs developers <emacs-devel@gnu.org>,
>  Stefan Monnier <monnier@iro.umontreal.ca>,
>  stephen_leake@stephe-leake.org
> 
> > What I had in mind is a function that give the major-mode symbol will
> > return the name of the corresponding TS language module (or a list of
> > modules, if there's more than one).
> 
> My problem with such a function is that Emacs can’t possibly cover all the 
> major-modes and tree-sitter languages. What if there is a new language, and 
> someone wrote a tree-sitter language definition for it, and then want to 
> write an Emacs major mode using tree-sitter features?

A new major mode will extend the function to support its language(s).
the extension could be as simple as adding something to a database of
known mode-to-language associations in some alist.