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bug#33794: 26.1; electric-pair-mode breaks auto-newline minor mode of cc
From: |
Alan Mackenzie |
Subject: |
bug#33794: 26.1; electric-pair-mode breaks auto-newline minor mode of cc-mode |
Date: |
Tue, 15 Jan 2019 16:10:52 +0000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
Hello, Beatrix.
I have committed the patch from two weeks ago (to the Emacs master
branch), and I'm closing the bug as fixed.
--
Alan Mackenzie (Nuremberg, Germany).
On Tue, Jan 01, 2019 at 19:27:29 +0000, Alan Mackenzie wrote:
> Hello, Beatrix,
> Happy New Year!
> On Fri, Dec 21, 2018 at 11:00:10 -0500, Beatrix Klebe wrote:
> > What would be ideal, and what I'm looking for, is to get auto-pairing
> > of brackets with braces being placed where they should be
> > automatically and the insertion point getting put in between them at
> > the correct indent level, such as what happens with Visual Studio, or
> > Visual Studio Code, or several other editors with this functionality.
> > Perhaps it is not emacslike to have such behavior be totally
> > automated, but I am used to it and finds it decreases my ordinary
> > levels of frustration when working with verbose and imperative
> > languages. I am currently trying to write some insert specifiers for
> > smartparens to do this, but it is proving more difficult to find an
> > elegant solution than I had expected.
> I think the following patch to CC Mode gives you nearly everything you
> want, if not actually everything.
> It turned out that the amendment didn't require any modification to
> electric-pair-mode, so apologies to João.
> I don't know how much you've explored electric-pair-mode, but if the
> answer is "not very much", can I suggest you try setting
> electric-pair-skip-whitespace to 'chomp? The following editing pattern
> is then available. With electric-pair-mode and c-auto-newline mode
> enabled:
> ("|" represents point.)
> At the end of the line
> if (foo)|
> foo = bar;
> , type {. This will give you something like:
> if (foo)
> {
> |
> }
> foo = bar;
> . Type in a statement ending with a semicolon:
> if (foo)
> {
> foo = bar;
> |
> }
> foo = bar;
> . Now type in }. The effect is to "chomp" the space to the next }, and
> CC Mode's auto-newline then inserts an empty line after the brace:
> if (foo)
> {
> foo = bar;
> }
> |
> foo = bar;
> . So, please try out the patch, and please let us all know how well it
> corresponds with what you were looking for. Also please let me know
> about any bugs you notice, so that I can fix them. Thanks for such an
> interesting problem!
> Here's the patch, which should apply cleanly to the emacs-26.1 source:
[ snip patch ].