bug#67117: [PATCH] Tree-sitter: fix an issue when searching subtree backward

[Yuan Fu]

> On Nov 18, 2023, at 9:47 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Yuan Fu <casouri@gmail.com>
>> Date: Sat, 18 Nov 2023 10:47:47 -0800
>> Cc: Denis Zubarev <dvzubarev@yandex.ru>,
>> 67117@debbugs.gnu.org
>> 
>> 
>>>> Steps to reproduce the issue:
>>>> 1. emacs -Q
>>>> 2. M-x find-file /tmp/t.py
>>>> 3. paste to the buffer
>>>> 
>>>> Temp(1, 2) 
>>>> 
>>>> 4. M-x python-ts-mode
>>>> 5. Call search-subtree with backward flag
>>>>  M-x eval-expression (treesit-search-subtree
>>>>              (treesit--thing-at (point) "call")
>>>>              (lambda (n) (equal (treesit-node-type n ) "integer"))
>>>>              t)
>>>> It should return the second int node (#<treesit-node integer in 9-10>), 
>>>> but it returns nil.
>>> 
>>> Yuan, any comments to the patch and the issue in general?
>> 
>> LGTM. Thanks Denis, and Eli :-)
> 
> Should we install this on the emacs-29 branch or on master?

Emacs-29, I’d say, since it’s a bug fix. Why do you ask?

Yuan