GNU bug report logs - #6343
Log-edit font lock changes lead to loop

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Package: emacs;

Reported by: Chong Yidong <cyd <at> stupidchicken.com>

Date: Thu, 3 Jun 2010 17:19:02 UTC

Severity: normal

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: 6343 <at> debbugs.gnu.org, Chong Yidong <cyd <at> stupidchicken.com>, Dan Nicolaescu <dann <at> ics.uci.edu>
Subject: bug#6343: Log-edit font lock changes lead to loop
Date: Fri, 4 Jun 2010 12:34:15 +0200

On Fri, Jun 4, 2010 at 12:15 PM, Juanma Barranquero <lekktu <at> gmail.com> wrote:
> On Fri, Jun 4, 2010 at 04:12, Lennart Borgman <lennart.borgman <at> gmail.com> wrote:
>
>> A little bit off-topic: you mean you can't even stop with C-g?
>
> C-g acts weird. It stops, sort of, but then moving around makes Emacs
> loop again.


I did not notice that it stops first. Strange.


>> How do you normally handle that? (I put some limit on all font lock
>> loops in my code ... ;-) )
>
> You'll have to be a bit more specific.


I just do something like this in case I make a stupid error somewhere:

(defsubst visual-indent-while (limit counter where)
  (let ((count (symbol-value counter)))
    (if (= count limit)
        (progn
          (message "Reached (while limit=%s, where=%s)" limit where)
          nil)
      (set counter (1+ count)))))

        (while (and (visual-indent-while 200 'n-while
"visual-indent-jit-lock-fun")
                    (< (point) bound)) ;; Max bound = (point-max)
This bug report was last modified 14 years and 11 days ago.

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