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

[Theodor Thornhill]

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?