From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Dmitry Gutov <dgutov@yandex.ru>
Cc: "João Távora" <joaotavora@gmail.com>, emacs-devel@gnu.org
Subject: Re: [patch] make electric-pair-mode smarter/more useful
Date: Sat, 14 Dec 2013 20:39:57 -0500 [thread overview]
Message-ID: <jwvbo0iykjx.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <52AC8DA6.5070403@yandex.ru> (Dmitry Gutov's message of "Sat, 14 Dec 2013 18:56:06 +0200")
> Yes, but if it's set via electric-layout-rules, to what value will this
> variable be set in e.g. js-mode?
The value which seems most useful for javascript.
> If it'll include what's there currently, '((?\; . after) (?\{ . after) (?\}
> . before)), then to get the desired behavior I described previously (NOT to
> insert a newline after I just typed `{', or any other character), I'd have
> to modify it again in js-mode-hook.
If there can be various competing choices, then indeed we have a problem.
The intention of electric-layout-mode is that it should more or less
(tho in a naive way) insert the newlines for you if you just
naively/sequentially type in the code.
There might indeed be various options as to "when" to insert the
newlines as well as "where".
> IOW, turning on electric-layout-mode would turn on all
> electric-layout-related behaviors defined for a given major mode. Are we
> willing to remove electric newlines after `;', `{' and `}', by default, from
> any major mode where one of those might conceivably be followed by some
> character other than newline?
I don't understand the question: if there are cases where
electric-layout-mode would insert a newline but the user doesn't want
it, indeed the user will be annoyed. I think in general there's no way
to be sure this never happens, other than turning off
electric-layout-mode. Same happens for the suggested
electric-pair-newline-between-pairs-rule.
> Speaking of cc-mode, I don't really program in C (though I'd like to
> continue learning it at some point), but if I did, I'm not sure I'd
> want the electric-layout-mode behavior there, but
> electric-pair-newline-between-pairs-rule would be useful.
{ not followed by a newline are rare in C, but they do happen, indeed.
E.g. for "enum"s or for immediate values of structs/arrays. So, indeed,
for those cases electric-layout-mode will be annoying.
For that reason electric-layout-mode is off by default, and I haven't
heard anyone argue to enable it by default.
From this POV, maybe electric-pair-newline-between-pairs-rule should be
made into a separate minor mode, indeed. It will reduce your use of RET
much less than electric-layout-mode but it's less likely to be annoying.
Less gain and less pain.
Stefan
next prev parent reply other threads:[~2013-12-15 1:39 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-06 23:31 [patch] make electric-pair-mode smarter/more useful João Távora
2013-12-07 2:09 ` Leo Liu
2013-12-07 2:36 ` Dmitry Gutov
2013-12-07 21:01 ` João Távora
2013-12-07 23:16 ` Stefan Monnier
2013-12-12 3:05 ` João Távora
2013-12-12 4:29 ` Dmitry Gutov
2013-12-12 11:26 ` João Távora
2013-12-12 16:30 ` Stefan Monnier
2013-12-12 17:06 ` João Távora
2013-12-12 20:12 ` Stefan Monnier
2013-12-13 2:55 ` Dmitry Gutov
2013-12-14 15:18 ` Stefan Monnier
2013-12-14 16:56 ` Dmitry Gutov
2013-12-15 1:39 ` Stefan Monnier [this message]
2013-12-16 0:35 ` João Távora
2013-12-16 3:34 ` Stefan Monnier
2013-12-16 19:26 ` João Távora
2013-12-17 1:54 ` Stefan Monnier
2013-12-18 2:43 ` João Távora
2013-12-18 15:32 ` João Távora
2013-12-23 14:41 ` João Távora
2013-12-24 14:29 ` Bozhidar Batsov
2013-12-07 23:07 ` Stefan Monnier
2013-12-12 3:01 ` João Távora
2013-12-12 18:08 ` Stefan Monnier
2013-12-13 1:02 ` João Távora
2013-12-13 2:32 ` Stefan Monnier
2013-12-15 22:10 ` João Távora
2013-12-16 3:22 ` Stefan Monnier
2013-12-16 14:21 ` João Távora
2013-12-16 15:30 ` Stefan Monnier
2013-12-16 18:40 ` Stefan Monnier
2013-12-16 19:06 ` João Távora
2013-12-17 1:42 ` Stefan Monnier
[not found] ` <CALDnm52AoShN891-L9=Cbng98UtYPEntzO+n_XDMmEL+UV0r-A@mail.gmail.com>
2013-12-16 19:02 ` Fwd: " João Távora
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