From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Nicolas Richard Newsgroups: gmane.emacs.bugs Subject: bug#17529: 24.3; Error in hippie-expand Date: Mon, 19 May 2014 23:01:10 +0200 Message-ID: <8738g5fppl.fsf@geodiff-mac3.ulb.ac.be> References: <07iop1ohu9.fsf@fencepost.gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1400533288 27903 80.91.229.3 (19 May 2014 21:01:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 19 May 2014 21:01:28 +0000 (UTC) Cc: =?UTF-8?Q?Torbj=C3=B8rn?= Lindahl , 17529@debbugs.gnu.org To: Glenn Morris Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon May 19 23:01:20 2014 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 1WmUgQ-0002s5-4d for geb-bug-gnu-emacs@m.gmane.org; Mon, 19 May 2014 23:01:18 +0200 Original-Received: from localhost ([::1]:50208 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmUgP-0008Dc-Fp for geb-bug-gnu-emacs@m.gmane.org; Mon, 19 May 2014 17:01:17 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57349) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmUgG-0008DC-KG for bug-gnu-emacs@gnu.org; Mon, 19 May 2014 17:01:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WmUgA-0005nt-NM for bug-gnu-emacs@gnu.org; Mon, 19 May 2014 17:01:08 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54661) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WmUgA-0005ng-Jy for bug-gnu-emacs@gnu.org; Mon, 19 May 2014 17:01:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WmUg9-0007pi-Oo for bug-gnu-emacs@gnu.org; Mon, 19 May 2014 17:01:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Nicolas Richard Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 19 May 2014 21:01:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17529 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 17529-submit@debbugs.gnu.org id=B17529.140053321330030 (code B ref 17529); Mon, 19 May 2014 21:01:01 +0000 Original-Received: (at 17529) by debbugs.gnu.org; 19 May 2014 21:00:13 +0000 Original-Received: from localhost ([127.0.0.1]:53535 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WmUfN-0007oG-54 for submit@debbugs.gnu.org; Mon, 19 May 2014 17:00:13 -0400 Original-Received: from mxin.ulb.ac.be ([164.15.128.112]:43712) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WmUfJ-0007nM-P7 for 17529@debbugs.gnu.org; Mon, 19 May 2014 17:00:10 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AtMEAF5welOkD4Xx/2dsb2JhbABZrgIBAQEBAQEGmikBgTJ0giYBBXkQCw4TJQ8BBEkTG4gRARSvPZwPAYcGF4VVggCGegeEQASgLYxHgzk7 Original-Received: from mathsrv4.ulb.ac.be (HELO geodiff-mac3.ulb.ac.be) ([164.15.133.241]) by smtp.ulb.ac.be with ESMTP; 19 May 2014 23:00:08 +0200 In-Reply-To: <07iop1ohu9.fsf@fencepost.gnu.org> (Glenn Morris's message of "Mon, 19 May 2014 12:26:22 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.91 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.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:89252 Archived-At: Glenn Morris writes: > Can you do: > M-x toggle-debug-no-error > repeat the problem, and send the backtrace? More details should come soon from the OP, but we managed to debug this over IRC so I post the outcome : First here's the backtrace : Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p nil) buffer-substring-no-properties(nil 9745) he-init-string(nil 9745) try-expand-line(nil) apply(try-expand-line nil) hippie-expand(nil) call-interactively(hippie-expand record nil) command-execute(hippie-expand record) execute-extended-command(nil "hippie-expand") call-interactively(execute-extended-command nil nil) This means that (he-line-beg strip-prompt) (that is called within try-expand-line) returned nil. The reason is that it tries to collect the 2nd group of a regexp that is not fully under control, namely comint-prompt-regexp. In ESS, that regexp contains grouping constructs. To avoid the problem, one solution is to replace "2" by "the last group". The following patch thus fixes the problem for me... but (1- (/ (length (match-data)) 2)) is a bit cryptic. --- /usr/local/share/emacs/24.3.91/lisp/hippie-exp.el.gz +++ # @@ -710,7 +710,7 @@ (save-excursion (if (re-search-backward (he-line-search-regexp "" strip-prompt) (line-beginning-position) t) - (match-beginning 2) + (match-beginning (1- (/ (length (match-data)) 2))) (point)))) (defun he-line-search-regexp (pat strip-prompt) -- Nico.