From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Ben Wong <bug-gnu-emacs+gnu.org@wongs.net>
Cc: 8632@debbugs.gnu.org
Subject: bug#8632: 23.2; shell-script[bash] doesn't handle bitshift $(( 1 << 16 ))
Date: Fri, 13 May 2011 16:12:54 -0300 [thread overview]
Message-ID: <jwvzkmq2zf1.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <7jmxiz1mlu.fsf@asome.wongs.net> (Ben Wong's message of "Fri, 06 May 2011 15:38:05 -0700")
> 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.
Indeed, thanks for spotting this.
> There should be a function, similar to sh-in-comment-or-string, which
> parses the script looking for arithmetic expansion.
I guess the way to do it would be to try to handle $(( as
a string-opener in sh-syntax-propertize-function and then write
code to jump to the matching )) to mark it as the string-closer.
Patch welcome,
Stefan
next prev parent reply other threads:[~2011-05-13 19:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-06 22:38 bug#8632: 23.2; shell-script[bash] doesn't handle bitshift $(( 1 << 16 )) Ben Wong
2011-05-13 19:12 ` Stefan Monnier [this message]
2012-04-17 10:28 ` Vincent Lefevre
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