From: "Andreas Röhler" <andreas.roehler@easy-emacs.de>
To: help-gnu-emacs@gnu.org
Subject: Re: Wrapping code in a try/except
Date: Sat, 20 Nov 2010 18:11:14 +0100 [thread overview]
Message-ID: <4CE80132.10009@easy-emacs.de> (raw)
In-Reply-To: <m1vd3t2g2h.fsf@ip1-201.halifax.rwth-aachen.de>
Am 19.11.2010 21:50, schrieb Andrea Crotti:
> Andreas Röhler<andreas.roehler@easy-emacs.de> writes:
>
>> it's not automatically
>>> indented in the rest of the C++ code...
>>>
>>
>> Write a function based on `indent-region' with reasonable defaults --
>> function-beginnning-pos, point.
>>
>> Make it run with an idle-timer like fontifying does.
>>
>> Could be a feature request if not existing already.
>
> Well in theory something like that would be perfect reading what those
> things should do:
>
> --8<---------------cut here---------------start------------->8---
> (defun re-indent-buffer ()
> "reindent the whole buffer"
> (indent-region yas/snippet-beg yas/snippet-end))
>
> (add-hook 'yas/after-exit-snippet-hook 're-indent-buffer)
> --8<---------------cut here---------------end--------------->8---
>
> in practice I guess there are some problems since now I have to force
> the exit of the snippet instead, so it doens't work at all...
>
>
>
below an example, how I would approach the issue
(must not be the best way, just for discussion...)
It takes a little bit more code.
Yasnippet seems not designed for use from programms.
;;;;
(defun my-try-wrap-function (beg end)
(interactive "r*")
(my-wrap-function-base beg end "try {\n" "\n} except"))
(defun my-wrap-function-base (beg end &optional before after)
" "
(let ((end (copy-marker end)))
(my-wrap-function-intern beg end before after)))
(defun my-wrap-function-intern (beg end &optional before after)
(goto-char beg)
(when before (insert before))
(goto-char end)
(when after (insert after))
(indent-region beg end)
(beginning-of-line)
(indent-according-to-mode))
BTW the second function might be used to cover default arguments in
other cases like this:
(let ((beg (cond (beg)
((region-active-p)
(region-beginning))
((bobp)
(point))
(t (defun-beginning-position))))
(end (cond (end)
((region-active-p)
(copy-marker (region-end)))
((eobp)
(point))
(t (defun-end-position))))
so I use this step, which might be omitted here.
happy hacking
Andreas
next prev parent reply other threads:[~2010-11-20 17:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-03 10:13 Wrapping code in a try/except Andrea Crotti
2010-11-03 10:51 ` Andreas Röhler
2010-11-19 14:39 ` Andrea Crotti
2010-11-19 18:27 ` Andreas Röhler
2010-11-19 20:50 ` Andrea Crotti
2010-11-20 17:11 ` Andreas Röhler [this message]
2010-11-23 10:19 ` Andrea Crotti
2010-11-23 14:32 ` Andrea Crotti
2010-11-04 6:09 ` Kevin Rodgers
[not found] <mailman.1.1288779213.27562.help-gnu-emacs@gnu.org>
2010-11-04 19:17 ` Stefan Monnier
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