From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#13046: 23.4; Minimal Example to freeze emacs C++ mode (nasty interaction between templates & windows endline characters ) Date: Sun, 2 Dec 2012 15:46:35 +0000 Message-ID: <20121202154635.GA12129@acm.acm> References: <87txs5fbfo.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1354463637 28499 80.91.229.3 (2 Dec 2012 15:53:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 2 Dec 2012 15:53:57 +0000 (UTC) Cc: John Smith , 13046@debbugs.gnu.org To: Chong Yidong Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Dec 02 16:54:09 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TfBrs-0006C1-OC for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Dec 2012 16:54:08 +0100 Original-Received: from localhost ([::1]:41495 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TfBrh-00022X-8I for geb-bug-gnu-emacs@m.gmane.org; Sun, 02 Dec 2012 10:53:57 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:34161) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TfBrd-00021w-Ta for bug-gnu-emacs@gnu.org; Sun, 02 Dec 2012 10:53:54 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TfBrc-0000d5-O1 for bug-gnu-emacs@gnu.org; Sun, 02 Dec 2012 10:53:53 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:39929) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TfBrV-0000bc-NI; Sun, 02 Dec 2012 10:53:45 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TfBti-0002Wc-JA; Sun, 02 Dec 2012 10:56:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sun, 02 Dec 2012 15:56:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13046 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 13046-submit@debbugs.gnu.org id=B13046.13544637209655 (code B ref 13046); Sun, 02 Dec 2012 15:56:02 +0000 Original-Received: (at 13046) by debbugs.gnu.org; 2 Dec 2012 15:55:20 +0000 Original-Received: from localhost ([127.0.0.1]:50180 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TfBt2-0002Vg-DC for submit@debbugs.gnu.org; Sun, 02 Dec 2012 10:55:20 -0500 Original-Received: from colin.muc.de ([193.149.48.1]:64419 helo=mail.muc.de) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TfBsz-0002VY-Ug for 13046@debbugs.gnu.org; Sun, 02 Dec 2012 10:55:19 -0500 Original-Received: (qmail 12145 invoked by uid 3782); 2 Dec 2012 15:52:59 -0000 Original-Received: from acm.muc.de (pD951B8A7.dip.t-dialin.net [217.81.184.167]) by colin.muc.de (tmda-ofmipd) with ESMTP; Sun, 02 Dec 2012 16:52:55 +0100 Original-Received: (qmail 14097 invoked by uid 1000); 2 Dec 2012 15:46:35 -0000 Content-Disposition: inline In-Reply-To: <87txs5fbfo.fsf@gnu.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:67779 Archived-At: Hello, Yidong. On Sun, Dec 02, 2012 at 10:13:47AM +0800, Chong Yidong wrote: > John Smith writes: > > Using emacs -Q,just open the attached minimal example and try typing > > "std::string" in the body of the function. > > That should hang emacs forever (or at least it does on my up-to-date > > ubuntu). Yes. > I think this is a duplicate of Bug#11841. I think so too, though 11841 has at least two distinct bugs causing the same symptom. > The patch posted in Bug#11841 does not completely fix this test case. > Giving ^M whitespace syntax in CC mode, as Stefan suggested, seems like > the easiest solution. The problem in John Smith's case is that c-backward-sws ("backward syntactic whitespace") doesn't always go back over a ^M, causing the calling routine to loop. I'm looking into this at the moment. > Alan, could you take another look? It would be good to have this fixed > in Emacs 24.3. Agreed. -- Alan Mackenzie (Nuremberg, Germany).