bug#59468: 29.0.50; c-ts-mode cannot fontify after macros are encountered

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: casouri@gmail.com,  59468@debbugs.gnu.org
> Date: Thu, 24 Nov 2022 18:36:06 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Cc: 59468@debbugs.gnu.org
> >> Date: Thu, 24 Nov 2022 08:36:13 +0800
> >> From:  Po Lu via "Bug reports for GNU Emacs,
> >>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >> 
> >> >> #ifdef FRAME_DEBUG
> >> >>   uint_fast64_t last_frame_ms = output->last_frame_time / 1000;
> >> >>   fprintf (stderr,
> >> >>            "Drawing the last frame took: %"PRIuFAST64" ms 
> >> >> (%"PRIuFAST64")\n",
> >> >>            last_frame_ms, time);
> >> >> #endif
> >> >>
> >> >> "PRIuFAST64" is fontified in the error face.
> >> 
> >> > Is this valid C? If it it, we should report to tree-sitter-c. If not, we
> >> > can add a heuristic.
> >> 
> >> This is valid C.  PRIuFAST64 is a standard macro containing the format
> >> specifier for a uint_fast64_t.
> >> 
> >> > It fontifies fine here. I guess it’s fixes by some changes I made,
> >> > although I don’t recall making changes related to if statements.
> >> 
> >> Maybe you scrolled up the file instead of down?  That sometimes matters.
> >
> > I don't see an error, either.  I did scroll from above.
> 
> Try going to the end and scrolling up using M-v.  That makes the
> error(s) show up for me.

Still no cigar.

Are you using the latest master?