From: rustom <rustompmody@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: catching parenthesis errors in elisp
Date: Fri, 12 Jun 2009 05:06:57 -0700 (PDT) [thread overview]
Message-ID: <9879b6b4-b81f-43f3-92cf-fc22ae5bc90c@u9g2000prd.googlegroups.com> (raw)
In-Reply-To: 89aa42c7-bfc9-43de-b844-882b9db0ef77@p6g2000pre.googlegroups.com
On Jun 12, 4:55 pm, Xah Lee <xah...@gmail.com> wrote:
> On Jun 12, 12:05 am, rustom <rustompm...@gmail.com> wrote:
>
> > Im hacking on a 700 line elisp function.
> > While doing some (fairly mechanical) cut-paste operations it looks
> > like either Ive got a parenthesis or a quote (most likely double quote
> > but could also be single quote) error.
>
> > Any suggestions on how to catch such errors?
>
> here's some recommendation based on how i code elisp.
>
> • never type single paren. I always type them in pairs. And never
> delete one of them.
> • use tree navigation to move between code.
> • to delete or move parts of expression, select the whole expression,
> cut & copy to move.
>
> so, when i code in lisp, there is never ever unmatched parenthesis.
>
> this method beats paren-edit mode.
Ive *not* written this lisp.
All did (or tried to do) was take some existing lisp and change it a
bit here and there -- mostly nothing more than changing some strings.
>
> the detail of my editing and setup is here:
>
> • Tips For Editing Lisp Code With Emacs
> http://xahlee.org/emacs/emacs_editing_lisp.html
>
> to select current unit of sexp, i press one key, which is bound to
> extend-selection, which is defined in my ergoemacs mode. The code is
> shown here:
>
> • A Text Editor Feature: Extend Selection By Semantic Unit
> http://xahlee.org/emacs/syntax_tree_walk.html
>
> Xah
> ∑http://xahlee.org/
>
> ☄
next prev parent reply other threads:[~2009-06-12 12:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-12 7:05 catching parenthesis errors in elisp rustom
2009-06-12 9:57 ` Thien-Thi Nguyen
2009-06-12 10:18 ` Tim X
2009-06-12 11:02 ` rustom
2009-06-12 10:26 ` Thierry Volpiatto
2009-06-12 11:55 ` Xah Lee
2009-06-12 12:06 ` rustom [this message]
2009-06-12 12:24 ` Pascal J. Bourguignon
2009-06-12 12:25 ` rustom
2009-06-12 15:32 ` Giorgos Keramidas
2009-06-13 2:47 ` Barry Margolin
2009-06-13 6:43 ` rustom
2009-06-13 1:04 ` Joe Fineman
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