From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Jambunathan K Newsgroups: gmane.emacs.help Subject: Re: watching for variable assignment Date: Mon, 10 Mar 2014 14:59:23 +0530 Message-ID: <87lhwicsgc.fsf@gmail.com> References: <87lhwih0ij.fsf@ericabrahamsen.net> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1394443669 28113 80.91.229.3 (10 Mar 2014 09:27:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 10 Mar 2014 09:27:49 +0000 (UTC) Cc: help-gnu-emacs@gnu.org To: Eric Abrahamsen Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Mar 10 10:27:58 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 1WMwV4-0004ps-5c for geh-help-gnu-emacs@m.gmane.org; Mon, 10 Mar 2014 10:27:58 +0100 Original-Received: from localhost ([::1]:47607 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WMwV3-0004Sl-Nu for geh-help-gnu-emacs@m.gmane.org; Mon, 10 Mar 2014 05:27:57 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59891) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WMwUn-0004Ok-QX for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 05:27:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WMwUi-0000el-54 for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 05:27:41 -0400 Original-Received: from mail-pa0-x236.google.com ([2607:f8b0:400e:c03::236]:56072) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WMwUh-0000dS-TP for help-gnu-emacs@gnu.org; Mon, 10 Mar 2014 05:27:36 -0400 Original-Received: by mail-pa0-f54.google.com with SMTP id lf10so7023937pab.13 for ; Mon, 10 Mar 2014 02:27:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; bh=P0sfKD4+f3pU2UcBadxZfkM545a2BskD2kO43qnr1mk=; b=T2HmCeNbbnzkjZQevlW5U6jUfttMEmPysuYViz4zstWIlow4S6ouXLzsJ1sFh37Eby KEv2B9vutqcyuNzYoXI01Ywhq4BPN7Bn50MbUh3lmkH70yNwyB4b2QB8OUrs0tvLOE95 0nGg7F6LQITVgs9SZZdZQhIULwoe1ND3bbd/7TNROF6omh6tX7Hj1yhmhyezczWMaAyo kEM4uNqbwd2jpnh7zA2mC7wuMWjHNsbIv/4XXOtfvGA11uzBkljt2qteilF0Cs0tvPK4 d1rlpHIt1y8/cklmL0M3CGyfb3wbRbjHbWtyB3seHFyhvr279Ns6/OC4cScVvDBvEWdD QGCQ== X-Received: by 10.66.164.70 with SMTP id yo6mr39330436pab.85.1394443654552; Mon, 10 Mar 2014 02:27:34 -0700 (PDT) Original-Received: from debian-6.05 ([115.244.224.193]) by mx.google.com with ESMTPSA id sx8sm77670377pab.5.2014.03.10.02.27.31 for (version=TLSv1.1 cipher=RC4-SHA bits=128/128); Mon, 10 Mar 2014 02:27:33 -0700 (PDT) In-Reply-To: <87lhwih0ij.fsf@ericabrahamsen.net> (Eric Abrahamsen's message of "Mon, 10 Mar 2014 17:21:40 +0800") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:400e:c03::236 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:96383 Archived-At: Eric Abrahamsen writes: > I'm trying to somehow trigger a message or a backtrace whenever that > variable's value changes. 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")