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Re: command-history-repeat used with query-search
From: |
Alan |
Subject: |
Re: command-history-repeat used with query-search |
Date: |
Sat, 2 Mar 2013 11:20:08 -0800 (PST) |
User-agent: |
G2/1.0 |
On Saturday, March 2, 2013 1:49:16 AM UTC-6, Jambunathan K wrote:
> Did you mean to show us the modified code? If yes, then you forgot to
>
> attach it.
>
>
>
> Alan writes:
>
>
>
> > I was frustrated that when I wanted to repeat use of "query-search" in
>
> > a buffer, using "list-command-history" and "command-history-repeat"
>
> > (bound to "x"), I wasn't able to watch the stepping through the buffer
>
> > of interest, being asked each time if I wished to make the
>
> > substitution and seeing the line of code that I was being queried
>
> > about.
>
> >
>
> > I decided to modify function "command-history-repeat" so that I could
>
> > watch "query-search" operate. My elisp skills needed some exercise,
>
> > so I did so.
>
> >
>
> > After writing the modified code, I did a search to see if anyone else
>
> > had done something similar. I didn't find anything. Please comment
>
> > if I overlooked something.
>
> >
>
> > I am using
>
> >
>
> > GNU Emacs 24.2.1 (i386-mingw-nt5.1.2600) of 2012-08-28 on MARVIN
>
> >
>
>
>
> --
Although I intentionally did not include the code earlier, I'll do so now (it's
been improved a bit since I started this topic). In a similar vein, I've
modified the operation of "occur" so that it can use "word-at-point" to define
the default--following the example of what happens with "occur" in XEmacs (but
I'm not including that code here).
(defun command-history-repeat ()
"Repeat the command shown on the current line.
The buffer for that command is the previous current buffer.
If a query command, operate in the previous current buffer"
(interactive)
(let ((aw-cmd-buf (current-buffer))
(aw-buf-list (buffer-list))
aw-edit-buf aw-query aw-cmd-str aw-m1
aw-edebug-data aw-edebug-def-mark aw-edebug-buffer)
;; running edebug results in the code buffer being present in
(buffer-list), so delete that buffer from the
;; list that we actually use
(when (featurep 'edebug)
(setq aw-edebug-data (get edebug-function 'edebug)
aw-edebug-def-mark (car aw-edebug-data)
aw-edebug-buffer (marker-buffer aw-edebug-def-mark)))
;;(delq (get-buffer "chist-fix.el") aw-buf-list)
(delq aw-edebug-buffer aw-buf-list)
(setq aw-edit-buf (car (cdr aw-buf-list)))
(save-excursion
(beginning-of-line)
(setq aw-m1 (point))
(forward-sexp)
(setq aw-cmd-str (buffer-substring aw-m1 (point)))
(setq aw-query (string-match "query" aw-cmd-str)))
(cond
((not aw-query)
(save-excursion
(eval (prog1 (read aw-cmd-str)
(set-buffer aw-edit-buf)))))
;;
(aw-query
(pop-to-buffer aw-edit-buf)
(eval (prog1 (read aw-cmd-str)
(set-buffer aw-edit-buf)))
(pop-to-buffer aw-cmd-buf)))))