From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#35536: 27.0.50; Expose buffer's marker list to Elisp Date: Fri, 03 May 2019 13:09:15 -0400 Message-ID: References: <87lfzo274b.fsf@tcd.ie> <87r29fcza7.fsf@tcd.ie> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="269183"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 35536@debbugs.gnu.org, Mauro Aranda To: "Basil L. Contovounesios" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri May 03 23:16:06 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hMfXD-0012u5-Uf for geb-bug-gnu-emacs@m.gmane.org; Fri, 03 May 2019 23:16:00 +0200 Original-Received: from localhost ([127.0.0.1]:44871 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMbkB-0005dE-Fk for geb-bug-gnu-emacs@m.gmane.org; Fri, 03 May 2019 13:13:07 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:32994) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMbhD-0002qh-MP for bug-gnu-emacs@gnu.org; Fri, 03 May 2019 13:10:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hMbhC-0004wJ-QJ for bug-gnu-emacs@gnu.org; Fri, 03 May 2019 13:10:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:36027) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hMbhC-0004wA-KP for bug-gnu-emacs@gnu.org; Fri, 03 May 2019 13:10:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hMbhB-0007xj-NV for bug-gnu-emacs@gnu.org; Fri, 03 May 2019 13:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 03 May 2019 17:10:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 35536 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 35536-submit@debbugs.gnu.org id=B35536.155690336530561 (code B ref 35536); Fri, 03 May 2019 17:10:01 +0000 Original-Received: (at 35536) by debbugs.gnu.org; 3 May 2019 17:09:25 +0000 Original-Received: from localhost ([127.0.0.1]:49571 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hMbgb-0007wq-G9 for submit@debbugs.gnu.org; Fri, 03 May 2019 13:09:25 -0400 Original-Received: from mail01.iro.umontreal.ca ([132.204.25.201]:42300) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hMbgY-0007wc-S1 for 35536@debbugs.gnu.org; Fri, 03 May 2019 13:09:23 -0400 Original-Received: from mail01.iro.umontreal.ca (mail01.iro.umontreal.ca [127.0.0.1]) by mail01.iro.umontreal.ca (Postfix) with ESMTP id 5629D885BE68 for <35536@debbugs.gnu.org>; Fri, 3 May 2019 13:09:17 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; h=content-type:content-type:mime-version:user-agent:in-reply-to :date:date:references:message-id:subject:subject:to:from:from; s=dkim; t=1556903356; x=1557767357; bh=emtCTrlVT/K02H3ONMY85/mu 8Q+nEpjUTlEssvX6zlQ=; b=eRA52tcLBDzV8iy4lW+H6WYmTW2WwdAEdD73QEsk iiG91oMTWm6cyHuXV3Bg4smlV2xNTSNwzumYQwNaWi5x8dIr18txTrxT496spBE9 Mq3fU3tz9tuDlrrjptxsiXOXaLG104qkEs+lcynoHIKqCP6DkGeNMbCi3zdchnak 8T6c9HtQOSGy8mY7v4aYJ4lne5rHqbST0uXYey/0/2v/7QC/ZO86q3BCy7kgw0zk U4s4/qqDm+Z1OJFzW92S/Y2AUWbNVzbG1tcB05nr3nm/8yAVtsbJrE9nNNXPmtX+ qpK+bfYjXsN0UhG09dkI8IoGgc+/CUaARAdyd7z2Upva8w== X-Virus-Scanned: amavisd-new at iro.umontreal.ca Original-Received: from mail01.iro.umontreal.ca ([127.0.0.1]) by mail01.iro.umontreal.ca (mail01.iro.umontreal.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N24jvn_sdZlX for <35536@debbugs.gnu.org>; Fri, 3 May 2019 13:09:16 -0400 (EDT) Original-Received: from alfajor (modemcable157.163-203-24.mc.videotron.ca [24.203.163.157]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 169F1885BE4C; Fri, 3 May 2019 13:09:16 -0400 (EDT) In-Reply-To: <87r29fcza7.fsf@tcd.ie> (Basil L. Contovounesios's message of "Fri, 03 May 2019 16:50:56 +0100") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:158695 Archived-At: > Given a sufficiently sufficient save+restore primitive as per Eli's > suggestion, it's not looking worth the trouble. FWIW, I think exposing some new opaque "set of markers" plus primitives to manipulate such objects is likely a lot more work, so I think from a purely pragmatic point of view, `markers-in` might be a better option *assuming* we can make it safe-enough (i.e. it can cause weird behaviors if mis-used but no hard-crashes, and not if used "reasonably", e.g. if it's not used to change the markers's buffers nor their relative ordering). In Emacs, we're generally pretty happy to provide tools powerful enough to shoot yourself in the foot, as long as such mishaps only happen when you're clearly using the tool in a dangerous way. Stefan