From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Smarter M-x that filters on major-mode Date: Thu, 11 Feb 2021 09:38:10 -0500 Message-ID: References: <8ed9b43502ae1480e06b@heytings.org> <83r1lohqoc.fsf@gnu.org> <87wnvfenry.fsf@gnus.org> <87blcrdlqf.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="37463"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: bugs@gnu.support, Stefan Kangas , "Alfred M. Szmidt" , emacs-devel@gnu.org, gregory@heytings.org, Matt Armstrong , Eli Zaretskii To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Feb 11 15:42:20 2021 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 1lADAi-0009co-0k for ged-emacs-devel@m.gmane-mx.org; Thu, 11 Feb 2021 15:42:20 +0100 Original-Received: from localhost ([::1]:51414 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lADAh-0002Mn-2F for ged-emacs-devel@m.gmane-mx.org; Thu, 11 Feb 2021 09:42:19 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34580) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lAD6n-0005o5-Ex for emacs-devel@gnu.org; Thu, 11 Feb 2021 09:38:17 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:43658) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lAD6l-00006m-Fx; Thu, 11 Feb 2021 09:38:16 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id BA33310025D; Thu, 11 Feb 2021 09:38:13 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 5A492100229; Thu, 11 Feb 2021 09:38:12 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1613054292; bh=TnRtRgGWnqGat4zPUAhwsa8QVTRqHf88W0Vnmtk9qbM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=kknWSZwOljz7oRZS29C/SOR4bFz/xPI9p5+SMqwlm2BeKIcss3gQCOPNKZPc+SCia T/hYw/+Ac2Jpj9r6s+pIP2I7yaCnmBln+CBw6cDC0YI+Tnu9Nu43vqjk1uke3NSfdu w1AqGHXbvduMNhoULOniN9c71RiKELrZfd+jfGu1/E8lnwJMjssaPAALfE2PElArKI xyEr8mzp9z2GM4K7DhFydWZSyhm/a+WEP067+SClyhFzF3h7/2Sb5WuNnzxHxTp+F0 E5HoDJxwgEr+Q+i7luoU34Labowuiok2QGxgI6AXFup2hjQtkhU9AsLtwk6B+RpQ6R l5AeieVNRMA6Q== Original-Received: from alfajor (unknown [216.154.41.47]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 0C7AF120406; Thu, 11 Feb 2021 09:38:12 -0500 (EST) In-Reply-To: <87blcrdlqf.fsf@gnus.org> (Lars Ingebrigtsen's message of "Thu, 11 Feb 2021 09:58:32 +0100") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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:264384 Archived-At: > What would the syntax for marking these commands be? Perhaps a > `declare' form would be the best thing here? Yes, `declare` sounds like the right tool. It can expand to the usual `define-symbol-prop`. > (command foo-mode "p") > > for the normal case, then perhaps it doesn't make sense to clutter up > that simple syntax with something for this thing. How 'bout (declare (M-x-pred EXP)) which turns into (define-symbol-prop '[SYM] (lambda () EXP)) so EXP can be (derived-mode-p 'foo-mode) or it can be nil, or ... Stefan