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emacs hang up with bad-brackets cpp-file

From: Oke Oldenburg
Subject: emacs hang up with bad-brackets cpp-file
Date: Thu, 25 Aug 2005 14:27:05 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.8) Gecko/20050511


when loading (or scrolling the loaded) file "fail.cxx" emacs freezes and goes on 100% cpu load until emacs.exe gets killed. No display update, no reaction on any keys or mouse events. Also the system "close" isnt processed.
(I'm using emacs 21.3 on windows, details see below)

Actions on my side:
- Starting emacs
- load fail.cxx
- when the bad line "m(n));" is visible, emacs freezes.
- when the line is not visible (e.g. if there are much more lines " x;" in the file):
  - scroll down the buffer -> emacs freezes then

Here is my file "fail.cxx":

>>> START of file:
#define W c)(c

int A()

int B()


int C()

<<< End of file

I assume the problem in a conflict of the not-nice define "c)(c" and the double close bracket, probably when calculating hilit. The define (original its "#define CCCp char*)(const char*" ) is needed to have a short version of "(char*)(const char*)" The doubled bracket were a result of cut and paste and should have been cleared in my next step, but the freeze occured before that ...

Can you duplicate the described behavior?

thanks for any help


PS: some informations of my emacs:

In GNU Emacs 21.3.1 (i386-mingw-nt5.0.2195)
 of 2004-03-10 on NYAUMO
configured using `configure --with-gcc (3.2)'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: DEU
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Recent input:
<menu-bar> <help-menu> <report-emacs-bug>

Recent messages:
Loading delsel...done
Loading desktop...done
Desktop loaded.
Loading advice...done
Loading d:/programme/emacs-21.3/site-lisp/uniq.el (source)...done
For information about the GNU Project and its goals, type C-h C-p.
Loading image...done
Loading emacsbug...done

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