From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Daniel Mendler Newsgroups: gmane.emacs.bugs Subject: bug#50034: 28.0.50; elisp capf error "Wrong type argument: listp, elisp--witness--lisp" Date: Fri, 13 Aug 2021 03:25:42 +0200 Message-ID: <02b75b43-616e-51f1-5d7b-ecb2661d1838@daniel-mendler.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23640"; mail-complaints-to="usenet@ciao.gmane.io" To: 50034@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 13 03:27:26 2021 Return-path: Envelope-to: geb-bug-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 1mELyo-0005vL-1Q for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 13 Aug 2021 03:27:26 +0200 Original-Received: from localhost ([::1]:54872 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mELyn-0004H0-1z for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 12 Aug 2021 21:27:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37534) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mELyQ-0004GE-Am for bug-gnu-emacs@gnu.org; Thu, 12 Aug 2021 21:27:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56826) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mELyQ-0003Dn-17 for bug-gnu-emacs@gnu.org; Thu, 12 Aug 2021 21:27:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mELyP-0007gg-OK for bug-gnu-emacs@gnu.org; Thu, 12 Aug 2021 21:27:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Daniel Mendler Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 13 Aug 2021 01:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 50034 X-GNU-PR-Package: emacs X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.162881797929498 (code B ref -1); Fri, 13 Aug 2021 01:27:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 13 Aug 2021 01:26:19 +0000 Original-Received: from localhost ([127.0.0.1]:40139 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mELxf-0007fd-37 for submit@debbugs.gnu.org; Thu, 12 Aug 2021 21:26:19 -0400 Original-Received: from lists.gnu.org ([209.51.188.17]:42352) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mELxa-0007fS-5Y for submit@debbugs.gnu.org; Thu, 12 Aug 2021 21:26:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37398) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mELxY-0004BQ-8X for bug-gnu-emacs@gnu.org; Thu, 12 Aug 2021 21:26:09 -0400 Original-Received: from server.qxqx.de ([2a01:4f8:121:346::180]:51429 helo=mail.qxqx.de) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mELxV-0002A0-1x for bug-gnu-emacs@gnu.org; Thu, 12 Aug 2021 21:26:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=qxqx.de; s=mail1392553390; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Date: Message-ID:Subject:From:To:Sender:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=pmUSmfwVuFQHUGovcJceHIjYv6BEBxImwUXxUaJry8Y=; b=aAr0K5P4Gp2rnJFbmGAbuO+V1c YM/YLmzLO4Ds4MGZyuIwhcyu0voBoKY9PEsxiykBcjlUNCO7LhLE7mA0yVnSCOgovdtpkiaF1sn8E LyM21LiH2kZhqKOAM9HzYWvLX/QGNmbT/Arhuri1LF/ODgY4S0+d8CNaN8Cq8cuces2g=; Content-Language: en-US Received-SPF: pass client-ip=2a01:4f8:121:346::180; envelope-from=mail@daniel-mendler.de; helo=mail.qxqx.de X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:211709 Archived-At: Steps to reproduce: 1. Start "emacs -Q" 2. Enter "(defmacro foo bar" in the scratch buffer 3. Press M- to invoke 'completion-at-point' The capf will throw the error "Wrong type argument: listp, elisp--witness--lisp". This error will be shown on Emacs 27 and Emacs 28. The input is nonsensical. I hit this while experimenting with my Corfu completion UI package. A capf should never error in case no completion is possible, such that another completion function of lower priority registered in 'completion-at-point-functions' can take over. Stack trace: Debugger entered--Lisp error: (wrong-type-argument listp elisp--witness--lisp) remq(&rest elisp--witness--lisp) elisp--local-variables-1(nil (lambda elisp--witness--lisp nil)) #f(compiled-function (vars sexp) #)(nil (#'(lambda elisp--witness--lisp nil))) elisp--local-variables-1(nil #'(lambda elisp--witness--lisp nil)) #f(compiled-function (vars sexp) #)(nil ((cons 'macro #'(lambda elisp--witness--lisp nil)))) elisp--local-variables-1(nil (cons 'macro #'(lambda elisp--witness--lisp nil))) #f(compiled-function (vars sexp) #)(nil ((defalias 'foo (cons 'macro #'(lambda elisp--witness--lisp nil))))) elisp--local-variables-1(nil (defalias 'foo (cons 'macro #'(lambda elisp--witness--lisp nil)))) elisp--local-variables() #f(compiled-function (string) #)(#("bar" 0 3 (fontified t))) #f(compiled-function (string pred action) #)(#("bar" 0 3 (fontified t)) nil nil) try-completion(#("bar" 0 3 (fontified t)) #f(compiled-function (string pred action) #) nil) #f(compiled-function (table) #)(#f(compiled-function (string pred action) #)) mapcar(#f(compiled-function (table) #) (#f(compiled-function (string pred action) #) #f(compiled-function (&rest args2) #))) #f(compiled-function (string pred action) #)(#("bar" 0 3 (fontified t)) nil nil) try-completion(#("bar" 0 3 (fontified t)) #f(compiled-function (string pred action) #) nil) completion-basic-try-completion(#("bar" 0 3 (fontified t)) #f(compiled-function (string pred action) #) nil 3) #f(compiled-function (style) #)(basic) completion--some(#f(compiled-function (style) #) (basic partial-completion emacs22)) completion--nth-completion(1 #("bar" 0 3 (fontified t)) #f(compiled-function (string pred action) #) nil 3 (metadata)) completion-try-completion(#("bar" 0 3 (fontified t)) #f(compiled-function (string pred action) #) nil 3 (metadata)) completion--do-completion(# 163) completion--in-region-1(# 163) #f(compiled-function (start end collection predicate) #)(# 163 #f(compiled-function (string pred action) #) nil) apply(#f(compiled-function (start end collection predicate) #) (# 163 #f(compiled-function (string pred action) #) nil)) #f(compiled-function (funs global args) #)(nil nil (# 163 #f(compiled-function (string pred action) #) nil)) completion--in-region(# 163 #f(compiled-function (string pred action) #) nil) completion-in-region(# 163 #f(compiled-function (string pred action) #) nil) completion-at-point() In GNU Emacs 28.0.50 (build 54, x86_64-pc-linux-gnu, GTK+ Version 3.24.5, cairo version 1.16.0) of 2021-08-12 built on projects Windowing system distributor 'The X.Org Foundation', version 11.0.12004000 System Description: Debian GNU/Linux 10 (buster)