bug#66152: 30.0.50; Missing indent rules in c-ts-mode

[Eli Zaretskii]

Ping!  Yuan, I would really like to use the first patch in Emacs 29.2,
if it looks OK to you.

> Cc: 66152@debbugs.gnu.org
> Date: Fri, 29 Sep 2023 10:17:29 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > Date: Tue, 26 Sep 2023 14:29:07 +0200
> > From: Augustin Chéneau (BTuin) <btuin@mailo.com>
> > 
> > I found some more issues.
> > 
> > First, there is no rule for an element in an else clause:
> > 
> > 
> > if (true)
> >    do_something();
> > else
> > do_something_else();
> > 
> > 
> > "do_something_else" is not indented.
> > 
> > There is also something weird with the bsd indent style.  It indents 
> > do_something and do_something_else to parent-bol with 0 offset, so the 
> > result is:
> > 
> > if (true)
> > do_something();
> > else
> > do_something_else();
> > 
> > 
> > It is very different from the bsd style from c-mode, which produces this:
> > 
> > if (true)
> >     do_something();
> > else
> >     do_something_else();
> > 
> > By looking at random files from OpenBSD, they do indent their 
> > expressions inside if and else:
> > 
> > <https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/net/bsd-comp.c?rev=1.17&content-type=text/plain>
> > (lines 277, 484, and 527)
> > 
> > 
> > 
> > Also there is a second patch which tries to handle specific types of 
> > comments.  I don't know how popular it is, but some people use these 
> > kind of comments:
> > 
> > /*---------.
> > | %param.  |
> > `---------*/
> > 
> > Here we want the vertical bar ("|") to be indented at the same column as 
> > the first "/".
> > 
> > Currently the result is this:
> > 
> > /*---------.
> >    | %param.  |
> >    `---------*/
> > 
> > This patch is a just proof of concept.  If this new behavior is indeed 
> > wanted, I would clean it up and adapt other modes.
> 
> Yuan, any comments?  If the first patch looks good to you, I'd like to
> install it on the release branch.
> 
> 
> 
>