From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: pierre.techoueyres@free.fr (Pierre =?UTF-8?Q?T=C3=A9choueyres?=) Newsgroups: gmane.emacs.bugs Subject: bug#29220: 26.0.90; eieio-persistent-read fail to restore saved object. Date: Tue, 28 Nov 2017 23:18:45 +0100 Message-ID: <87tvxef3ne.fsf@killashandra.ballybran.fr> References: <87y3nga0lv.fsf@killashandra.ballybran.fr> <87po8s8k02.fsf@ericabrahamsen.net> <87zi7udorn.fsf@killashandra.ballybran.fr> <8760aim2a5.fsf@ericabrahamsen.net> <87375j2tzd.fsf@users.sourceforge.net> <87inecwl1v.fsf@killashandra.ballybran.fr> <87y3n81eq7.fsf@users.sourceforge.net> <87h8ts1cfp.fsf@users.sourceforge.net> <87zi7kyzcf.fsf@ericabrahamsen.net> <87efov1zzn.fsf@users.sourceforge.net> <87h8trzc6e.fsf@ericabrahamsen.net> <87bmjz0xez.fsf@users.sourceforge.net> <87zi7cpooo.fsf@killashandra.ballybran.fr> <87h8tkzgef.fsf@users.sourceforge.net> <87zi76f5hj.fsf@killashandra.ballybran.fr> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1511907552 28988 195.159.176.226 (28 Nov 2017 22:19:12 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 28 Nov 2017 22:19:12 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) Cc: Eric Abrahamsen , 29220@debbugs.gnu.org, Stefan Monnier To: Noam Postavsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Nov 28 23:19:08 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJoDX-0006yz-8g for geb-bug-gnu-emacs@m.gmane.org; Tue, 28 Nov 2017 23:19:03 +0100 Original-Received: from localhost ([::1]:40315 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eJoDe-00066G-IS for geb-bug-gnu-emacs@m.gmane.org; Tue, 28 Nov 2017 17:19:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41192) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eJoDZ-00064x-Ir for bug-gnu-emacs@gnu.org; Tue, 28 Nov 2017 17:19:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eJoDW-0006Y2-Ee for bug-gnu-emacs@gnu.org; Tue, 28 Nov 2017 17:19:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:54796) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eJoDW-0006Xt-Bg for bug-gnu-emacs@gnu.org; Tue, 28 Nov 2017 17:19:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eJoDW-0006g1-2s for bug-gnu-emacs@gnu.org; Tue, 28 Nov 2017 17:19:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: pierre.techoueyres@free.fr (Pierre =?UTF-8?Q?T=C3=A9choueyres?=) Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 28 Nov 2017 22:19:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29220 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 29220-submit@debbugs.gnu.org id=B29220.151190753425651 (code B ref 29220); Tue, 28 Nov 2017 22:19:02 +0000 Original-Received: (at 29220) by debbugs.gnu.org; 28 Nov 2017 22:18:54 +0000 Original-Received: from localhost ([127.0.0.1]:35244 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJoDO-0006ff-5B for submit@debbugs.gnu.org; Tue, 28 Nov 2017 17:18:54 -0500 Original-Received: from smtp4-g21.free.fr ([212.27.42.4]:38778) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eJoDL-0006fW-1K for 29220@debbugs.gnu.org; Tue, 28 Nov 2017 17:18:52 -0500 Original-Received: from killashandra.ballybran.fr.free.fr (unknown [IPv6:2a01:e35:2e14:eab0:b51f:3dc7:7e03:942]) by smtp4-g21.free.fr (Postfix) with ESMTPS id A913419F591; Tue, 28 Nov 2017 23:18:45 +0100 (CET) In-Reply-To: (Noam Postavsky's message of "Tue, 28 Nov 2017 16:52:26 -0500") 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: 208.118.235.43 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:140508 Archived-At: Noam Postavsky writes: > On Tue, Nov 28, 2017 at 4:39 PM, Pierre T=C3=A9choueyres > wrote: >> Noam Postavsky writes: >>>> I've tried to dive into print.c but I don't understand how you return >>>> from print_object, when you're on an hash-table to obtain the vector >>>> with an eieio-class-tag-- (as in 25.3) ? >>>> >>>> Can anyone tell me how this work in 25.3 ? >>> >>> Nothing has changed in print.c in this respect. In 25.3, objects are >>> vectors, and class tags are symbols. In 26, objects are records and >>> class tags are eieio--class records. As a result, they print >>> differently. >> >> I trust you, but that's not the answer I expected, sorry. > > When you say "that's not the answer I expected", do you mean that my > answer didn't sufficiently explain to you why things worked correctly > in Emacs 25.3 and not in Emacs 26? Or do you mean that you would > expect Emacs 26 to work differently (i.e., in a way that doesn't break > things)? Both and none of them :-) I try to understand how, from print_object, objects in the hash table are print. I expected something like prin1 -> print -> print_object -> something in lisp or C I'm trying to make pcache work correctly with emacs 26. Now I understand that eieio--class and eieio--class-tag have changed, but I don't know if I can or how to correct the printing of objects in order to read them back with eieio-persistent-read.