bug#59662: 29.0.50; [PATCH] Add treesit--indent-defun

[Theodor Thornhill]

Yuan Fu <casouri@gmail.com> writes:

> Theodor Thornhill <theo@thornhill.no> writes:
>
>> Eli Zaretskii <eliz@gnu.org> writes:
>>
>>>> From: Theodor Thornhill <theo@thornhill.no>
>>>> Cc: "Theodor Thornhill via Bug reports for GNU Emacs, the Swiss army knife
>>>>  of text editors" <bug-gnu-emacs@gnu.org>, Eli Zaretskii <eliz@gnu.org>,
>>>>  casouri@gmail.com, 59662@debbugs.gnu.org
>>>> Date: Sun, 04 Dec 2022 13:33:35 +0100
>>>> 
>>>> Theodor Thornhill <theo@thornhill.no> writes:
>>>> 
>>>> > On 2 December 2022 22:09:55 CET, "Daniel Martín" <mardani29@yahoo.es> 
>>>> > wrote:
>>>> >>Theodor Thornhill <theo@thornhill.no> writes:
>>>> >>
>>>> >>> Right - thanks.  However, this makes me wonder - should we really be
>>>> >>> setting mark here? I see that c-indent-defun does not, and it feels
>>>> >>> weird that indenting adds to the mark ring.  What do you think?  My
>>>> >>> first patch used
>>>> >>>
>>>> >>> (indent-region
>>>> >>>   (treesit-node-start node)
>>>> >>>   (treesit-node-end node))
>>>> >>>
>>>> >>> Which behaves similarly to c-indent-defun.
>>>> >>>
>>>> >>> See attached patch.
>>>> >>
>>>> >>I don't have a strong opinion, but if we can indent without setting the
>>>> >>mark, I think it'd be a cleaner command.  Specially if c-indent-defun
>>>> >>doesn't set the mark either.
>>>> >
>>>> > Yeah, we don't need to set the mark. Thanks for the feedback :)
>>>> > Theo
>>>> 
>>>> Eli, do you have any opinion on this matter? Should we implement this
>>>> function without using marks?  That will make the function a smidge
>>>> bigger, but would not mess up the mark-ring.  I think that's desirable,
>>>> at least.
>>>
>>> IMO, it is better not to set the mark, indeed.
>>
>> Agreed, see attached patch.  What do you think, Yuan and Eli?
>>
>> Should we expose the internal helper I used, or maybe this function
>> could just as well live in treesit.c?
>>
>> Theo
>>
>
> Very nice, I applied this patch with some changes to the function. I
> think using treesit-beginning/end-of-defun is more robust.
>
> Yuan

Thanks!  Would you mind describing why?

Theo