From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ben Wong Newsgroups: gmane.emacs.bugs Subject: bug#8632: 23.2; shell-script[bash] doesn't handle bitshift $(( 1 << 16 )) Date: Fri, 06 May 2011 15:38:05 -0700 Message-ID: <7jmxiz1mlu.fsf@asome.wongs.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1304725109 1835 80.91.229.12 (6 May 2011 23:38:29 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 6 May 2011 23:38:29 +0000 (UTC) To: 8632@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 07 01:38:21 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QIUbE-0001tK-JO for geb-bug-gnu-emacs@m.gmane.org; Sat, 07 May 2011 01:38:20 +0200 Original-Received: from localhost ([::1]:32813 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIUbD-0007qU-QB for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 May 2011 19:38:19 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:33223) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIUY4-0007kw-JP for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 19:35:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QIUY3-00067O-6i for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 19:35:04 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34120) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIUY2-00067K-Uu for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 19:35:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1QIUY2-0000q6-44; Fri, 06 May 2011 19:35:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Ben Wong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 06 May 2011 23:35:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 8632 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.13047248433152 (code B ref -1); Fri, 06 May 2011 23:35:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 6 May 2011 23:34:03 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1QIUX4-0000on-Ea for submit@debbugs.gnu.org; Fri, 06 May 2011 19:34:03 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1QIUPz-0000eT-3w for submit@debbugs.gnu.org; Fri, 06 May 2011 19:26:43 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QIUPt-00054S-3K for submit@debbugs.gnu.org; Fri, 06 May 2011 19:26:37 -0400 Original-Received: from lists.gnu.org ([140.186.70.17]:40278) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIUPt-00054O-1f for submit@debbugs.gnu.org; Fri, 06 May 2011 19:26:37 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:53355) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIUPs-0006vu-5Z for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 19:26:36 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QIUPr-000545-66 for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 19:26:36 -0400 Original-Received: from c-67-183-110-101.hsd1.wa.comcast.net ([67.183.110.101]:46875 helo=asome.wongs.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIUPr-000541-0T for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 19:26:35 -0400 Original-Received: from ben by asome.wongs.net with local (Exim 4.75) (envelope-from ) id 1QITev-0001oG-M8 for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 15:38:05 -0700 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 (newer, 3) X-Mailman-Approved-At: Fri, 06 May 2011 19:34:01 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Fri, 06 May 2011 19:35:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 140.186.70.43 X-Mailman-Approved-At: Fri, 06 May 2011 19:38:17 -0400 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:46297 Archived-At: In shell-script mode (bash minor mode) Emacs 23.2 incorrectly parses the following line as a HERE DOCUMENT. echo $(( 1 << 16 )) It is confused because sh-font-lock-open-heredoc (in sh-script.el) does not know about bash's ARITHMETIC EXPANSION. There should be a function, similar to sh-in-comment-or-string, which parses the script looking for arithmetic expansion. As a temporary workaround for users, I believe it is legal to put double quotes around any arithmetic expansion to force emacs to view it as a string. In GNU Emacs 23.2.1 (i486-pc-linux-gnu, GTK+ Version 2.20.0) of 2010-12-11 on raven, modified by Debian configured using `configure '--build' 'i486-linux-gnu' '--build' 'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.2/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.2/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS='' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US.UTF-8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: Shell-script Minor modes in effect: shell-dirtrack-mode: t gpm-mouse-mode: t which-function-mode: t show-paren-mode: t display-time-mode: t recentf-mode: t iswitchb-mode: t tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t auto-encryption-mode: t auto-compression-mode: t size-indication-mode: t line-number-mode: t