From: Alexander Shukaev <haroogan@gmail.com>
To: John Mastro <john.b.mastro@gmail.com>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: Apply Emacs-Lisp `font-lock' rules to a string
Date: Mon, 24 Aug 2015 22:29:50 +0200 [thread overview]
Message-ID: <CAKu-7WzAi6=78v82B94u9gYcPgRJNkbv7CqLFPnAqrxRO+q3pA@mail.gmail.com> (raw)
In-Reply-To: <CAOj2CQS+13EsWVptxfvvD=Zo6JXSJFLrQA80OOEBN5VOsr=BYA@mail.gmail.com>
> This seems to work here:
>
> (defun my-font-lock-string (string &optional mode)
> (let ((mode (or mode major-mode)))
> (with-temp-buffer
> (insert string)
> (funcall mode)
> (funcall font-lock-fontify-buffer-function)
> (buffer-string))))
>
> (my-font-lock-string "\"\\\\(1\\\\|2\\\\)\"" #'emacs-lisp-mode)
Nice!
>> To expand on the problem, I have a string which contains regular
>> expression, which I display in the echo area. It would be nice to
>> apply standard highlighting to it. Is there any way to achieve this
>> smoothly (preferably with one or a few calls to built-in functions)?
>> Thanks.
>
> Hm, maybe not. When I do (message (my-font-lock-string ...)) it prints
> the string readably rather than colorized. Hopefully someone else will
> know how to get around that.
There surely must be one as I see that when cursor hovers different
structures of Emacs Lisp code, echo area displays short summary of the
corresponding structures, and that summary is obviously highlighted
according to `font-lock' rules.
next prev parent reply other threads:[~2015-08-24 20:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-24 3:19 Apply Emacs-Lisp `font-lock' rules to a string Alexander Shukaev
2015-08-24 20:07 ` Emanuel Berg
2015-08-24 20:23 ` John Mastro
2015-08-24 20:29 ` Alexander Shukaev [this message]
2015-08-24 20:39 ` John Mastro
2015-08-24 20:40 ` John Mastro
2015-08-25 22:38 ` Alexander Shukaev
2015-08-26 0:09 ` Alexander Shukaev
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