From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.devel Subject: Re: xref backends for elisp-related modes Was: Re: Bad moves with xref-find-definitions Date: Wed, 29 Apr 2015 15:47:07 +0300 Message-ID: <5540D2CB.8060705@yandex.ru> References: <87h9s6c27z.fsf@gmail.com> <87zj5wnlyt.fsf@gmail.com> <553C285B.4070400@yandex.ru> <838udfx7rt.fsf@gnu.org> <87383kcy0u.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1430311666 22337 80.91.229.3 (29 Apr 2015 12:47:46 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2015 12:47:46 +0000 (UTC) To: Helmut Eller , emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Apr 29 14:47:41 2015 Return-path: Envelope-to: ged-emacs-devel@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 1YnROo-0000MZ-1E for ged-emacs-devel@m.gmane.org; Wed, 29 Apr 2015 14:47:34 +0200 Original-Received: from localhost ([::1]:38664 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YnROn-0003wq-4G for ged-emacs-devel@m.gmane.org; Wed, 29 Apr 2015 08:47:33 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50095) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YnROi-0003u7-6K for emacs-devel@gnu.org; Wed, 29 Apr 2015 08:47:29 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YnROd-00011k-2a for emacs-devel@gnu.org; Wed, 29 Apr 2015 08:47:28 -0400 Original-Received: from mail-wg0-x231.google.com ([2a00:1450:400c:c00::231]:33553) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YnROc-00010j-RX for emacs-devel@gnu.org; Wed, 29 Apr 2015 08:47:23 -0400 Original-Received: by wgin8 with SMTP id n8so27011177wgi.0 for ; Wed, 29 Apr 2015 05:47:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:subject:to:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-type:content-transfer-encoding; bh=upbD5ngYkjyf3UIzyYBbi07NgCVYpoMCeTf6+xYhS5o=; b=mmFI2HqNnDYgoWkwl5MvvNLNERLmC+r3BmCEjkmWnqA46LyLRvA132PiBIIXy/LYnF gypVIbOJyYq7U28/zDuBEYl1C6utQpTXi7YBhE3sfJpGIRw3KtYgWxGRJnwd9O7RoCVt Y+mbOs1bHpTW5f2jUmywSr8qDaXahgUCYW8/9EvNcaU6Tjc/+uuH6KVtWT3dbGT1UhqV HTYs82dnj+k8VDHOtI+GfrMnEit8tuQ5qYwW9XNal6xhVZIw/1CnEjwxX/kD30wWH79/ rDQV9DHLeGj1o8h3+xRTrFk2iO4Vc6ogPFB31F3zx2Mzp1rrRhJStBzIF0WoFybhdNf0 Jl8w== X-Received: by 10.194.121.38 with SMTP id lh6mr41528969wjb.2.1430311631885; Wed, 29 Apr 2015 05:47:11 -0700 (PDT) Original-Received: from [192.168.1.2] ([82.102.93.54]) by mx.google.com with ESMTPSA id o5sm21114236wia.0.2015.04.29.05.47.10 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Apr 2015 05:47:11 -0700 (PDT) user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0 in-reply-to: X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a00:1450:400c:c00::231 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:186008 Archived-At: On 04/29/2015 09:55 AM, Helmut Eller wrote: > However, this was removed because a) it complicates the > front-end<->backend-end API b) everybody who can write methods for > xref-location= can just as well write a backend that removes duplicates. And in the current context, the xref-location= method, by itself, wouldn't help with the pretty much insolvable problem of comparing "lazy" xrefs coming from different backends.