From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: watching for variable assignment Date: Mon, 10 Mar 2014 20:56:11 +0100 Message-ID: <8738ipzv38.fsf@web.de> References: <87lhwih0ij.fsf@ericabrahamsen.net> <87lhwicsgc.fsf@gmail.com> <87y50iibni.fsf@ericabrahamsen.net> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1394481404 12242 80.91.229.3 (10 Mar 2014 19:56:44 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 10 Mar 2014 19:56:44 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Mar 10 20:56:52 2014 Return-path: Envelope-to: geh-help-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 1WN6Jg-0006lY-5s for geh-help-gnu-emacs@m.gmane.org; Mon, 10 Mar 2014 20:56:52 +0100 Original-Received: from localhost ([::1]:50983 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WN6Jf-0005jt-Se for geh-help-gnu-emacs@m.gmane.org; Mon, 10 Mar 2014 15:56:51 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39940) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WN6JM-0005gu-SF for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 15:56:38 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WN6JG-0001Uf-R6 for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 15:56:32 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:60175) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WN6JG-0001UZ-Kg for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 15:56:26 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WN6JD-0006KD-R6 for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 20:56:23 +0100 Original-Received: from ip-90-186-176-150.web.vodafone.de ([90.186.176.150]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Mar 2014 20:56:23 +0100 Original-Received: from michael_heerdegen by ip-90-186-176-150.web.vodafone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Mar 2014 20:56:23 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 16 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: ip-90-186-176-150.web.vodafone.de User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) Cancel-Lock: sha1:vNFLTQeNuTF5oUYsrlwSYO+J/OA= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:96407 Archived-At: Eric Abrahamsen writes: > > You are looking for a "Write Breakpoint". I haven't done much Elisp > > debugging. Going by the docs, the following looks promising. > > > > (info "(elisp) Global Break Condition") > > No, this isn't going to work -- the only way I could find the code > that's resetting the variable would be to instrument it directly, which > would require knowing which code it was in the first place. No, not necessarily. You can set `edebug-all-defs' non-nil and instrument whole libraries. That may make things much slower, but may be worth a try. Michael.