From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#30078: 27.0.50; Use lexical-binding for M-: Date: Thu, 11 Jan 2018 11:36:54 -0500 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1515688584 6999 195.159.176.226 (11 Jan 2018 16:36:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 11 Jan 2018 16:36:24 +0000 (UTC) To: 30078@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 11 17:36:20 2018 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 1eZfpr-0000mv-I7 for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Jan 2018 17:36:11 +0100 Original-Received: from localhost ([::1]:54616 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZfrp-0007rt-LT for geb-bug-gnu-emacs@m.gmane.org; Thu, 11 Jan 2018 11:38:13 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58445) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZfrj-0007rC-5Z for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:38:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eZfre-0000Uj-5S for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:38:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:44493) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eZfre-0000UU-24 for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:38:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eZfrd-0002Ij-SD for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:38:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 11 Jan 2018 16:38:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 30078 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.15156886318786 (code B ref -1); Thu, 11 Jan 2018 16:38:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 11 Jan 2018 16:37:11 +0000 Original-Received: from localhost ([127.0.0.1]:52390 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eZfqo-0002Hd-2y for submit@debbugs.gnu.org; Thu, 11 Jan 2018 11:37:11 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:38962) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eZfql-0002HQ-PR for submit@debbugs.gnu.org; Thu, 11 Jan 2018 11:37:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eZfqf-0007xt-Kk for submit@debbugs.gnu.org; Thu, 11 Jan 2018 11:37:02 -0500 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:35436) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eZfqf-0007xe-He for submit@debbugs.gnu.org; Thu, 11 Jan 2018 11:37:01 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58161) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZfqe-0007ej-AH for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:37:01 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eZfqZ-0007nx-Am for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:37:00 -0500 Original-Received: from pruche.dit.umontreal.ca ([132.204.246.22]:41546) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eZfqZ-0007nb-6I for bug-gnu-emacs@gnu.org; Thu, 11 Jan 2018 11:36:55 -0500 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.7/8.14.1) with ESMTP id w0BGasdb030646 for ; Thu, 11 Jan 2018 11:36:54 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id 453966231F; Thu, 11 Jan 2018 11:36:54 -0500 (EST) X-NAI-Spam-Flag: NO X-NAI-Spam-Level: X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0.3 X-NAI-Spam-Rules: 5 Rules triggered BEC_TRC1=0.1, BEC_TRC1_W_GEN_SPAM_FEATRE=0.1, GEN_SPAM_FEATRE=0.1, EDT_SA_DN_PASS=0, RV6198=0 X-NAI-Spam-Version: 2.3.0.9418 : core <6198> : inlines <6305> : streams <1775762> : uri <2568106> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:142037 Archived-At: Package: Emacs Version: 27.0.50 I think we should slowly move towards making lexical-binding the default and we could start by making M-: always use lexical binding. WDYT? Stefan diff --git a/lisp/simple.el b/lisp/simple.el index 4c69e0f6ff..fa31ef9f0f 100644 --- a/lisp/simple.el +++ b/lisp/simple.el @@ -1608,12 +1608,12 @@ eval-expression (eval-expression-get-print-arguments current-prefix-arg))) (if (null eval-expression-debug-on-error) - (push (eval exp lexical-binding) values) + (push (eval exp t) values) (let ((old-value (make-symbol "t")) new-value) ;; Bind debug-on-error to something unique so that we can ;; detect when evalled code changes it. (let ((debug-on-error old-value)) - (push (eval (macroexpand-all exp) lexical-binding) values) + (push (eval (macroexpand-all exp) t) values) (setq new-value debug-on-error)) ;; If evalled code has changed the value of debug-on-error, ;; propagate that change to the global binding.