GNU bug report logs - #10652
24.0.93; font-lock very slow for C++

Previous Next

Packages: emacs, cc-mode;

Reported by: Helmut Eller <eller.helmut <at> gmail.com>

Date: Mon, 30 Jan 2012 11:17:02 UTC

Severity: normal

Merged with 10886

Found in version 24.0.93

Done: Alan Mackenzie <acm <at> muc.de>

Bug is archived. No further changes may be made.

Full log

View this message in rfc822 format

From: Chong Yidong <cyd <at> gnu.org>
To: Alan Mackenzie  <acm <at> muc.de>
Cc: Helmut Eller <eller.helmut <at> gmail.com>, 10652 <at> debbugs.gnu.org
Subject: bug#10652: 24.0.93; font-lock very slow for C++
Date: Sun, 26 Feb 2012 17:47:25 +0800

Helmut Eller <eller.helmut <at> gmail.com> writes:

> Font lock is extremely slow in this file:
>
> http://hg.openjdk.java.net/jdk7/jdk7/hotspot/raw-file/b92c45f2bc75/src/share/vm/runtime/globals.hpp
>
> Download the file and open it with emacs -Q globals.hpp.  Then
> scroll around in the file to see how slow it is.

I got Emacs into an uninterruptible loop while scrolling through the
buffer :-(

Looks like a regression against Emacs 23's CC mode, which handles the
file just fine.  Alan, could you investigate?  Thanks.
This bug report was last modified 13 years and 54 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.