From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: sml-mode indentation for structures
Date: Mon, 06 Oct 2014 08:45:31 -0400 [thread overview]
Message-ID: <jwv1tqlpedd.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: m24mvhpn0j.fsf@gmail.com
> I'm using sml-mode version 6.5 from ELPA, but the indentation of
> structures drives me nuts. I would like to use a style like this:
> structure Foo =
> struct
> fun foo x = x
> end
> but by default sml-mode indents it like this:
> structure Foo =
> struct
> fun foo x = x
> end
> Can somebody tell me how sml-mode indentation rules can be configured?
I guess the "right" way to do that, would be:
(defun my-sml-rules (orig kind token)
(pcase (cons kind token)
(`(:before . "d=")
(if (smie-rule-parent-p "structure" "signature" "functor") 2
(funcall orig kind token)))
(`(:after . "struct") 2)
(_ (funcall orig kind token))))
(add-hook 'sml-mode-hook
(lambda ()
(add-function :around smie-indent-rules #'my-sml-rules)))
But since `add-function' is new in 24.4, you'll probably want something
more like:
(defadvice sml-smie-rules (around my-sml-rules activate)
(let ((i (pcase (cons (ad-get-arg 0) (ad-get-arg 1))
(`(:before . "d=")
(if (smie-rule-parent-p "structure" "signature" "functor") 2))
(`(:after . "struct") 2))))
(if i
(setq ad-return i)
ad-do-it)))
-- Stefan "guaranteed 100% untested"
next prev parent reply other threads:[~2014-10-06 12:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-06 9:26 sml-mode indentation for structures Helmut Eller
2014-10-06 12:45 ` Stefan Monnier [this message]
[not found] ` <mailman.10564.1412599562.1147.help-gnu-emacs@gnu.org>
2014-10-06 13:34 ` Helmut Eller
2014-10-06 13:59 ` Stefan Monnier
[not found] ` <mailman.10568.1412603979.1147.help-gnu-emacs@gnu.org>
2014-10-06 17:57 ` Helmut Eller
2014-10-06 18:09 ` Helmut Eller
2014-10-06 18:14 ` Stefan Monnier
2014-10-06 18:11 ` Stefan Monnier
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