From: Nikolaj Schumacher <me@nschum.de>
To: Xah <xahlee@gmail.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: How do I highlight word at point?
Date: Mon, 20 Oct 2008 14:31:21 +0200 [thread overview]
Message-ID: <m2zlkzh2hy.fsf@nschum.de> (raw)
In-Reply-To: <1ed6498a-19fc-42f2-b00c-b369e74396b1@p10g2000prf.googlegroups.com> (Xah's message of "Sun\, 19 Oct 2008 20\:46\:32 -0700 \(PDT\)")
Xah <xahlee@gmail.com> wrote:
> is it possible to make it work with selecting a string?
Yes. It seems so, but the code gets very complicated if you try to do
the right thing in all places. For instance, inside strings, you might
prefer the text-mode syntax table for best results.
I've written a bit more of this and might turn it into a package once it's
more tested.
(defun semnav-up (arg)
(interactive "p")
(when (nth 3 (syntax-ppss))
(if (> arg 0)
(progn
(skip-syntax-forward "^\"")
(goto-char (1+ (point)))
(decf arg))
(skip-syntax-backward "^\"")
(goto-char (1- (point)))
(incf arg)))
(up-list arg))
(defun semnav-mark (arg &optional incremental)
"Mark the symbol surrounding point.
Subsequent calls mark higher levels of sexps."
(interactive (list (prefix-numeric-value current-prefix-arg)
(or (and transient-mark-mode mark-active)
(eq last-command this-command))))
(if incremental
(progn
(semnav-up (- arg))
(forward-sexp)
(mark-sexp -1))
(if (> arg 1)
(semnav-mark (1- arg) t)
(if (looking-at "\\=\\(\\s_\\|\\sw\\)*\\_>")
(goto-char (match-end 0))
(unless (memq (char-before) '(?\) ?\"))
(forward-sexp)))
(mark-sexp -1))))
> “Semantic”? is that a elisp package?
Yes. It is part of CEDET.
http://cedet.sourceforge.net/semantic.shtml
regards,
Nikolaj Schumacher
next prev parent reply other threads:[~2008-10-20 12:31 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-19 2:16 How do I highlight word at point? Wei Weng
2008-10-19 3:02 ` Giorgos Keramidas
2008-10-19 12:09 ` Francis Moreau
2008-10-19 16:19 ` Nikolaj Schumacher
[not found] ` <mailman.1504.1224419414.25473.help-gnu-emacs@gnu.org>
2008-10-19 13:24 ` Thorsten Bonow
2008-10-19 15:54 ` Francis Moreau
2008-10-19 15:14 ` Giorgos Keramidas
2008-10-19 15:52 ` Francis Moreau
2008-10-29 22:13 ` Francis Moreau
2008-10-29 22:44 ` Andreas Politz
2008-10-30 20:22 ` Francis Moreau
2008-10-30 13:57 ` Scott Frazer
2008-10-19 5:44 ` Xah
2008-10-19 17:00 ` Nikolaj Schumacher
[not found] ` <mailman.1521.1224435664.25473.help-gnu-emacs@gnu.org>
2008-10-19 20:10 ` Xah
2008-10-19 22:16 ` Drew Adams
2008-10-19 23:58 ` Nikolaj Schumacher
[not found] ` <mailman.1544.1224460736.25473.help-gnu-emacs@gnu.org>
2008-10-20 3:46 ` Xah
2008-10-20 12:31 ` Nikolaj Schumacher [this message]
[not found] ` <mailman.1579.1224505887.25473.help-gnu-emacs@gnu.org>
2008-10-20 18:43 ` Xah
2008-10-21 8:57 ` Nikolaj Schumacher
2008-10-19 23:35 ` Drew Adams
2008-10-19 23:39 ` Drew Adams
2008-10-21 3:43 ` htbest2000
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