bug#61502: 29.0.60; c-ts-mode auto-indent not working

[Eli Zaretskii]

> Date: Wed, 15 Feb 2023 16:48:33 +0100
> From: Theodor Thornhill <theo@thornhill.no>
> CC: pankaj@codeisgreat.org, casouri@gmail.com, 61502@debbugs.gnu.org
> 
> 
> 
> On 15 February 2023 16:02:03 CET, Eli Zaretskii <eliz@gnu.org> wrote:
> >> From: Theodor Thornhill <theo@thornhill.no>
> >> Cc: pankaj@codeisgreat.org, casouri@gmail.com, 61502@debbugs.gnu.org
> >> Date: Wed, 15 Feb 2023 15:53:22 +0100
> >> 
> >> >> int
> >> >> main
> >> >> {
> >> >>   for (;;)
> >> >> |
> >> >> 
> >> >> eval: (treesit-node-at (point)) ;; #<treesit-node ")" in 21-22>
> >> >
> >> > I'm afraid I cannot interpret that.  What does it mean?
> >> 
> >> It returns the closing paren in "for (;;)", right before point.  Which
> >> may not be as useful, as it is a child of for_statement, IIRC.  Making a
> >> rule for that isn't too hard, but it complicates things.
> >
> >Hmm... this might make no sense, but: why are we asking about the node
> >at point?  For indentation purposes, when RET is pressed, shouldn't we
> >ask about the node of the first non-whitespace character of the line
> >where we get RET?
> 
> Yeah, but what then to do when there is only whitespace?

Look back for the first line that has something other than whitespace?