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Re: Why is `C-M-x' only for top-level defuns?
From: |
Dave Abrahams |
Subject: |
Re: Why is `C-M-x' only for top-level defuns? |
Date: |
Thu, 12 Jan 2012 11:52:40 -0500 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.92 (darwin) |
on Thu Jan 12 2012, "Drew Adams" <drew.adams-AT-oracle.com> wrote:
>> Another possibility could be to respect different prefix args
>> in different ways (edebug vs this feature). But the simplest
>> solution is likely having a separate command/key.
>
> 1. It just occurred to me that edebug instrumentation is only for functions,
> and
> the redefinition feature I'm talking about is only for faces and vars.
>
> So presumably there would be no need to distinguish different kinds of prefix
> args. We could let a prefix arg mean to either redefine the innermost
> face/var
> definition containing point, if any, or instrument the column-0 defun (what it
> does now).
>
> In the not-so-common context of a def(face|custom|var) that is inside a defun
> that you want to instrument for edebug, the behavior of a prefix arg would
> differ depending on the position of point. Whether that case is common enough
> to warrant requiring different prefix-arg values to distinguish the two, I
> don't
> know (I doubt it).
>
> 2. Another possibility: let `C-M-x' inside a def(face|custom|var) always
> redefine it (i.e., without a prefix arg). That would mean that to make
> `C-M-x'
> eval a sexp starting in column 0, point would need to be outside any sub-sexp
> that is a def(face|custom|var).
>
> (But I repeat that I'm OK with having a separate command/key for this, not
> `C-M-x'.)
I just wanna say: I've always wanted the behavior Drew is proposing (for
edebug-defun, eval-defun, and xxx-defun in general) and despite the fact
that I should know better by now, I am surprised every time these
functions go all the way to the outermost sexp.
--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com
- Re: Why is `C-M-x' only for top-level defuns?, (continued)
- Re: Why is `C-M-x' only for top-level defuns?, Daniel Colascione, 2012/01/11
- RE: Why is `C-M-x' only for top-level defuns?, Drew Adams, 2012/01/11
- Re: Why is `C-M-x' only for top-level defuns?, Stefan Monnier, 2012/01/11
- Re: Why is `C-M-x' only for top-level defuns?, Daniel Colascione, 2012/01/11
- Re: Why is `C-M-x' only for top-level defuns?, Thierry Volpiatto, 2012/01/12
- RE: Why is `C-M-x' only for top-level defuns?, Drew Adams, 2012/01/12
- Re: Why is `C-M-x' only for top-level defuns?, Juri Linkov, 2012/01/12
- RE: Why is `C-M-x' only for top-level defuns?, Drew Adams, 2012/01/12
- RE: Why is `C-M-x' only for top-level defuns?, Drew Adams, 2012/01/12
- RE: Why is `C-M-x' only for top-level defuns?, Drew Adams, 2012/01/12
- Re: Why is `C-M-x' only for top-level defuns?,
Dave Abrahams <=
Why is `C-M-x' only for top-level defuns?, Stephen J. Turnbull, 2012/01/12