From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: factor out error message functions, access function stack to know location Date: Tue, 27 Oct 2015 01:27:25 +0100 Message-ID: <87io5tjguq.fsf@debian.uxu> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1445905232 14982 80.91.229.3 (27 Oct 2015 00:20:32 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 27 Oct 2015 00:20:32 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Oct 27 01:20:23 2015 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 1Zqrzy-0001bf-Qq for geh-help-gnu-emacs@m.gmane.org; Tue, 27 Oct 2015 01:20:22 +0100 Original-Received: from localhost ([::1]:56026 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zqrzx-0000Pp-LC for geh-help-gnu-emacs@m.gmane.org; Mon, 26 Oct 2015 20:20:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34585) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zqrzl-0000Od-AP for help-gnu-emacs@gnu.org; Mon, 26 Oct 2015 20:20:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zqrzh-00005v-76 for help-gnu-emacs@gnu.org; Mon, 26 Oct 2015 20:20:09 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:42226) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zqrzh-00005q-0L for help-gnu-emacs@gnu.org; Mon, 26 Oct 2015 20:20:05 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Zqrzf-0001GR-SU for help-gnu-emacs@gnu.org; Tue, 27 Oct 2015 01:20:03 +0100 Original-Received: from nl106-137-244.student.uu.se ([130.243.137.244]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 27 Oct 2015 01:20:03 +0100 Original-Received: from embe8573 by nl106-137-244.student.uu.se with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 27 Oct 2015 01:20:03 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Lines: 30 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: nl106-137-244.student.uu.se Mail-Copies-To: never User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) Cancel-Lock: sha1:Wl5DzON378tYOB3t4+g4m5q6BeM= 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:107829 Archived-At: Dan Espen writes: > Pretty good discussion here, including access to the > call stack: > > http://emacs.stackexchange.com/questions/2310/can-functions-access-their-name Using `backtrace-frame', this almost worked: (defun function-stack () (cadr (backtrace-frame 3)) ) ;;; 3 = function-stack-caller (look below) ;;; 2 = function-stack ;;; 1 = cadr ;;; 0 = backtrace-frame (defun function-stack-caller () (function-stack) ) (function-stack-caller) ; function-stack-caller! ;; however... (defun function-stack-embedded-caller () (if 'some-error-check (function-stack) )) (function-stack-embedded-caller) ; if! so doesn't help... -- underground experts united http://user.it.uu.se/~embe8573