> On Dec 16, 2022, at 09:48, João Távora <joaotavora@gmail.com> wrote:
> 
> On Fri, Dec 16, 2022 at 3:38 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > From: João Távora <joaotavora@gmail.com>
> > Date: Fri, 16 Dec 2022 15:24:59 +0000
> > Cc: Perry Smith <pedz@easesoftware.com>, emacs-devel@gnu.org
> >
> > I agree this is a problem, especially the language specific parser
> > bits.  Yesterday I tried out tree sitter Emacs on my Arch system.
> > Finding the tree-sitter system lib was easy enough, but finding the C++
> > definition object wasn't so easy.  Eventually I made it,  but it needed
> > compilation from source and a NodeJS toolchain that I didn't know
> > I needed for that.
> 
> No, you don't need a NodeJS toolchain to compile a grammar.  You only
> need to compile the C/C++ source files that are part of the grammar,
> and then link them into a shared library.  I use a simple Makefile to
> build all of them, as the structure of the files and the way to
> compile and link them are identical and boilerplate.  And I definitely
> don't have NodeJS installed here.
> 
> I used:
> 
>    https://aur.archlinux.org/packages/tree-sitter-cpp-git
> 
> which builds with the makepkg tool, and am pretty sure
> it used NodeJS somewhere down the line.  The language
> definition it seems to use is https://github.com/tree-sitter/tree-sitter-cpp
> which also contains a log of JS stuff.
> 
> Is that where you get your C++ grammar from? Or am I
> looking at an alternate outlet for slightly different grammar?
> If so where do you get your grammars from and can we
> bundle some version of them with Emacs?

This file is in the Emacs source and outlines a lot of good stuff
https://git.savannah.gnu.org/cgit/emacs.git/tree/admin/notes/tree-sitter/starter-guide