GNU bug report logs - #59763
29.0.60; Filling for c-ts-mode

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From: Yuan Fu <casouri <at> gmail.com>
To: Theodor Thornhill <theo <at> thornhill.no>
Cc: eliz <at> gnu.org, 59763 <at> debbugs.gnu.org
Subject: bug#59763: 29.0.60; Filling for c-ts-mode
Date: Sat, 24 Dec 2022 17:30:35 -0800

Theodor Thornhill <theo <at> thornhill.no> writes:

> On 24 December 2022 09:36:21 CET, Yuan Fu <casouri <at> gmail.com> wrote:
>>
>>Theodor Thornhill <theo <at> thornhill.no> writes:
>>
>>> Yuan Fu <casouri <at> gmail.com> writes:
>>>
>>>>> On Dec 2, 2022, at 6:58 AM, Eli Zaretskii <eliz <at> gnu.org> wrote:
>>>>> 
>>>>>> From: Yuan Fu <casouri <at> gmail.com>
>>>>>> Date: Thu, 1 Dec 2022 21:33:06 -0800
>>>>>> 
>>>>>> 
>>>>>> IMO For c-ts-mode to be usable we need to have at least a basic filling
>>>>>> function. Below is the function I have in my init.el, could someone have
>>>>>> a look and see if it’s good? Alternatively we could copy out the comment
>>>>>> and fill it in a temp buffer with c-mode, but I didn’t have the time to try
>>>>>> it out and see how well it works.
>>>>> 
>>>>> Thanks.
>>>>> 
>>>>> From quick testing, I see a problem:
>>>>> 
>>>>>  . Visit dispnew.c and go to the comment that starts on line 324.  Delete
>>>>>    the newline between the two lines of the comment, and invoke the
>>>>>    function.  Observe how the first non-blank character of the comment's
>>>>>    second line is aligned with the "/*" on the previous line, not with the
>>>>>    text after "/*" as I'd expect.
>>>>
>>>> I see. I’ll need to look at how cc-mode fill comments.
>>>>
>>>>> 
>>>>> Btw, this command should be bound to M-q in ts-c-mode.
>>>>
>>>> Will do, once our fill function works well. BTW, Theo, if you have any
>>>> idea, don’t hesitate to go ahead :-) No obligations, of course.
>>>>
>>>> Yuan
>>>
>>> Sure!  Added to my list :)  I had a function at some point that used
>>> c-mode to do this. I'll see if I can polish it a little.
>>
>>I did some work in filling, it should work like cc-mode in like 90% of
>>the cases now, yay!
>>
>>Yuan
>
> Nice! For all cc-ts-modes?

I only added for c and c++, but support for other modes should be
identical. And I think we should have something equivalent to cc-mode’s
init which sets up things that are the same in all C-like languages,
basically comments and filling.

But I wonder where should we put it, I guess it’s fine to leave it in
c-ts-mode, since there really isn’t much code. Having other modes to
require c-ts-mode shouldn’t be a big problem, I think?

Yuan

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