bug#74612: 30.0.90; [PATCH] Allow passing nil to treesit-node-match-p

[Eli Zaretskii]

> Cc: 74612@debbugs.gnu.org
> Date: Sun, 01 Dec 2024 11:59:58 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Yuan Fu <casouri@gmail.com>
> > Date: Sun, 1 Dec 2024 00:31:05 -0800
> > Cc: 74612@debbugs.gnu.org
> > 
> > 
> > 
> > > On Nov 29, 2024, at 11:22 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> > > 
> > >> From: Yuan Fu <casouri@gmail.com>
> > >> Date: Fri, 29 Nov 2024 16:38:22 -0800
> > >> 
> > >> Eli, are you ok with this patch on emacs-30? Almost all tree-sitter node 
> > >> functions allows user to pass nil for NODE, so treesit-node-match-p 
> > >> should too.
> > > 
> > > Does this solve an actual problem you've seen somewhere (and if so,
> > > which problem), or does it solve a potential problem that didn't
> > > actually happen yet?
> > 
> > I encountered this problem (more like an inconvenience, since without this 
> > feature I’d need to test for nullness before passing a node to 
> > treesit-node-match-p) when using treesit-node-match-p for some new code I’m 
> > writing for master branch. Since (treesit-node-match-p node “type name”) is 
> > easier to write and shorter than (equal (treesit-node-type node) “type 
> > name”) or (string-match-p “type name regex” (treesit-node-type node)), I’ve 
> > been using it liberally in new code :)
> > 
> > > 
> > > Also, does CHECK_TS_NODE allow nil or does it currently signal an
> > > error?
> > 
> > CHECK_TS_NODE currently signals an error. All the tree-sitter node 
> > functions that accepts nil has the "if (NILP (node)) return Qnil” line 
> > before CHECK_TS_NODE (or treesit_check_node)
> > 
> > If you’re not too comfortable with the change, we can apply it to master. 
> > It wouldn’t create any backward-incompatibility since this change makes 
> > treesit-node-match-p more lenient on its argument, not stricter. The 
> > drawback is treesit-node-match-p will be a bit more annoying to use.
> 
> OK, please install on emacs-30, and thanks.

I see you did, so I'm closing this bug.