From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: closure within closure, incorrect (?) byte-compiler warnings Date: Tue, 09 Nov 2021 00:09:33 +0100 Message-ID: <87sfw62qj6.fsf@zoho.eu> References: <87o874tkvv.fsf@zoho.eu> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="19816"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:0u3iD05iZ5Xk2zPAW1fbQ3H1ZvA= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 00:10:25 2021 Return-path: Envelope-to: geh-help-gnu-emacs@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 1mkDmS-0004xD-U2 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 00:10:24 +0100 Original-Received: from localhost ([::1]:51660 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkDmR-0005Mx-CQ for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 08 Nov 2021 18:10:23 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36674) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkDlr-0005Mn-TD for help-gnu-emacs@gnu.org; Mon, 08 Nov 2021 18:09:47 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:38978) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkDlp-0003Ty-RK for help-gnu-emacs@gnu.org; Mon, 08 Nov 2021 18:09:47 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mkDlm-00044G-3K for help-gnu-emacs@gnu.org; Tue, 09 Nov 2021 00:09:42 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:134458 Archived-At: Stefan Monnier via Users list for the GNU Emacs text editor wrote: >> (let ((next 1)) >> (defun australian-survivor (ep) >> (interactive (list (read-number prompt next))) > > IIRC the current compiler code doesn't support this kind of "interactive > spec nested within a lexical scope". > > Your code makes sense, but AFAIK it may not always work correctly :-( Indeed, it doesn't work after a restart when the byte-compiled code (.elc) is loaded. It causes no crash or error message until you use the function, then it says call-interactively: Symbol’s value as variable is void: prompt > You might want to `M-x report-emacs-bug` (and if so, please > put me in the `X-Debbugs-Cc:`). OK, I hope to do that soon ... ;;; -*- lexical-binding: t -*- ;;; ;;; this file: ;;; https://dataswamp.org/~incal/emacs-init/w3m/w3m-survivor.el (require 'w3m-search) (require 'cl-lib) (declare-function australian-survivor nil) (declare-function us-survivor nil) (let ((opts "torrent 1080p") (show "Survivor") (prompt "episode: ") ) (let ((next 1)) (defun australian-survivor (ep) (interactive (list (read-number prompt next))) (w3m-search w3m-search-default-engine (format "s08e%02d Australian %s %s" ep show opts) ) (setq next (1+ ep)) )) (defalias 'aus #'australian-survivor) (let ((next 1)) (defun us-survivor (ep) (interactive (list (read-number prompt next))) (w3m-search w3m-search-default-engine (format "s41%02d %s %s" ep show opts) ) (setq next (1+ ep)) )) (defalias 'us #'us-survivor) ) ;; In toplevel form: ;; w3m/w3m-survivor.el:12:1: Warning: Unused lexical variable `prompt' ;; w3m/w3m-survivor.el:12:1: Warning: Unused lexical variable `next' ;; w3m/w3m-survivor.el:26:39: Warning: reference to free variable ‘prompt’ ;; w3m/w3m-survivor.el:26:46: Warning: reference to free variable ‘next’ ;; w3m/w3m-survivor.el:22:14: Warning: Unused lexical variable `next' -- underground experts united https://dataswamp.org/~incal