From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Zhu Zihao Newsgroups: gmane.emacs.devel Subject: Re: Slot accessing issues in EIEIO Date: Thu, 07 May 2020 12:55:51 +0800 Message-ID: <871rnwgx7s.wl-all_but_last@163.com> References: <87a72lhf3b.wl-all_but_last@163.com> <878si5gmt7.wl-all_but_last@163.com> <877dxoh1m6.wl-all_but_last@163.com> <874kssgzrf.wl-all_but_last@163.com> Mime-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="90017"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL/10.8 EasyPG/1.0.0 Emacs/27.0 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) Cc: Zhu Zihao , emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu May 07 06:56:58 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jWYaf-000NHI-Vy for ged-emacs-devel@m.gmane-mx.org; Thu, 07 May 2020 06:56:57 +0200 Original-Received: from localhost ([::1]:35074 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jWYaf-0006Rc-1t for ged-emacs-devel@m.gmane-mx.org; Thu, 07 May 2020 00:56:57 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59910) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWYaA-0005zW-R9 for emacs-devel@gnu.org; Thu, 07 May 2020 00:56:26 -0400 Original-Received: from m12-16.163.com ([220.181.12.16]:54505) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jWYa2-0004Qv-Mn for emacs-devel@gnu.org; Thu, 07 May 2020 00:56:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:Message-ID:From:Subject:MIME-Version; bh=89hdT +AMV0devih4aSbTM7+OuCDFfNYdGxIMFH92MNo=; b=Atk8s4ZyMbYvEoIA3AF5A v6yYJtBvewe3pb3Wz7k56qo0UtJ/g6v4jjUvXIOf5zJ/MqmGoQYd7Tb5vFaqmnsK Bp1nLnV0JjsV9Gu5DaRhNKk+8hzha/waDkiD2WDS1DqRW0fev5+pZ4d95FYZCboT y161pUuwMqTYNNFNYNDBno= Original-Received: from archlinux.163.com (unknown [113.102.100.98]) by smtp12 (Coremail) with SMTP id EMCowABHSi7glLNeABQxCw--.246S2; Thu, 07 May 2020 12:56:04 +0800 (CST) In-Reply-To: <874kssgzrf.wl-all_but_last@163.com> X-Face: :]]%@R1{oDt0%iKgI@Kga#OZ; ogt+%OOne&J4#E*O,TIlI)yEFw--I\:3s~EV97GI$1.1!}8inmF9UgtUBB@#8>'8NWNC8qg/v*OLfQB; Z:@G3HeNf3u& ,&HpBGv%?p{bzsl'|5T";1&X X-CM-TRANSID: EMCowABHSi7glLNeABQxCw--.246S2 X-Coremail-Antispam: 1Uf129KBjvdXoWruF4kWr18try7tFyUGr4kJFb_yoWfWrb_ur 48CFZ5ur1Y9F1jkwsxtan8ZrsxK34rXw15JFyj9Fna9F1SvFs8CFZ3GrWUuF18W3WfKr1a 9rWq934xtr1IkjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUjnqXtUUUUU== X-Originating-IP: [113.102.100.98] X-CM-SenderInfo: pdoosuxxwbztlvw6il2tof0z/1tbiFA0dr1aD5iq7mAABsQ Received-SPF: pass client-ip=220.181.12.16; envelope-from=all_but_last@163.com; helo=m12-16.163.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/07 00:56:05 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:249150 Archived-At: On Thu, 07 May 2020 12:00:52 +0800, Zhu Zihao wrote: > > Hmm, could you please take a look at this piece of code? > https://github.com/emacscollective/epkg/blob/master/epkg.el#L137 > > In this defclass definition. slots prefixed with "closql-" was reserved for > internal usage. and other slots present the columns in SQL database. > > Obviously, accessing a slot in these definitions is valid. For example, > accessing slot "foobar" in that object will trigger real slot-missing method > because our definitions don't contain it. And accessing slots will trigger a > sync operation between Emacs VM and SQL database. > > When we put the sync logic in slot-missing. How to distinguish really missing slots > and "simulated slots" is a problem. When we put the sync logic in slot-missing. How to distinguish really missing slots and "simulated slots" is a problem. ^^^ from