From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Watchpoints for emacs lisp. Date: Sun, 16 May 2010 16:42:25 -0400 Message-ID: References: <28512483.post@talk.nabble.com> <28523705.post@talk.nabble.com> <28567671.post@talk.nabble.com> <28567697.post@talk.nabble.com> <28567803.post@talk.nabble.com> <28574560.post@talk.nabble.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1274042558 10944 80.91.229.12 (16 May 2010 20:42:38 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 16 May 2010 20:42:38 +0000 (UTC) Cc: Emacs-devel@gnu.org To: "alin.s" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun May 16 22:42:36 2010 connect(): No such file or directory Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ODkfU-0004v1-Ae for ged-emacs-devel@m.gmane.org; Sun, 16 May 2010 22:42:36 +0200 Original-Received: from localhost ([127.0.0.1]:51470 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ODkfT-00076A-RX for ged-emacs-devel@m.gmane.org; Sun, 16 May 2010 16:42:35 -0400 Original-Received: from [140.186.70.92] (port=50433 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ODkfN-00075v-U8 for Emacs-devel@gnu.org; Sun, 16 May 2010 16:42:30 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1ODkfM-0002JX-J5 for Emacs-devel@gnu.org; Sun, 16 May 2010 16:42:29 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:36830 helo=ironport2-out.pppoe.ca) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1ODkfM-0002JR-Ge for Emacs-devel@gnu.org; Sun, 16 May 2010 16:42:28 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvsEAO/170tMCrUO/2dsb2JhbACeAXK5S4UQBIwv X-IronPort-AV: E=Sophos;i="4.53,242,1272859200"; d="scan'208";a="64316439" Original-Received: from 76-10-181-14.dsl.teksavvy.com (HELO alfajor.home) ([76.10.181.14]) by ironport2-out.pppoe.ca with ESMTP; 16 May 2010 16:42:26 -0400 Original-Received: by alfajor.home (Postfix, from userid 20848) id 4B330AEFD6; Sun, 16 May 2010 16:42:25 -0400 (EDT) In-Reply-To: <28574560.post@talk.nabble.com> (alin s.'s message of "Sun, 16 May 2010 06:07:15 -0700 (PDT)") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:124830 Archived-At: >> If you want to be able to watch a random expression (which would be >> great, of course), then indeed you'll need something a lot more >> intrusive, such as a playing MMU tricks or adding extra checks at >> various places. > I do not think thta somewhere in code is changed the value of a symbol, > otherwise than via calling Fset & similar. aset, puthash, setcar, setcdr, nconc, put-text-property, ... modify existing objects and can hence affect the values held by symbols without going though Fset or similar. Stefan