bug#61235: 30.0.50; tree-sit: `treesit-node-check' lacks a way to tell if a node belongs to a deleted parser

[Mickey Petersen <mickey@masteringemacs.org>]

Yuan Fu <casouri@gmail.com> writes:

>> On Feb 6, 2023, at 7:21 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>>
>>> From: Mickey Petersen <mickey@masteringemacs.org>
>>> Cc: casouri@gmail.com, 61235@debbugs.gnu.org
>>> Date: Mon, 06 Feb 2023 14:08:46 +0000
>>>
>>> All I want is a way for treesit-node-check to tell me if the node
>>> belongs to a dead or alive parser.
>>
>> That'd be fine by me, but the patch posted by Yuan was a different
>> one.
>>
>> Yuan, any reason not to extend treesit-node-check instead?
>
> I did extend treesit-node-check in the patch. But I also added a
> function treesit-parser-live-p, which makes the same check but
> directly on a parser. It just made sense to me that if we let
> treesit-node-check check the nodes’ parser’s status, we’d also add a
> function to allow directly checking the status of a parser.
>
> Micky, the function I added (and the extension to treesit-node-check)
> checks that the parser is not deleted AND its buffer is live. That
> makes the most sense to me, but would it cause any problem for your
> use case?

Thanks for turning around the features so fast.

I can use `treesit-node-buffer' and `buffer-live-p' to accomplish
that, so perhaps leaving out that check makes sense?

> Yuan