* bug#6157: narrow-to-defun fix when point is on function beginning
@ 2010-05-10 14:51 Lennart Borgman
2010-05-10 17:06 ` Stefan Monnier
2011-09-21 20:03 ` Lars Magne Ingebrigtsen
0 siblings, 2 replies; 6+ messages in thread
From: Lennart Borgman @ 2010-05-10 14:51 UTC (permalink / raw)
To: 6157
`beginning-of-defun' goes to previous function when point is on the
first character of a function. This is not currently taken care of in
`narrow-to-defun'. This patch fixes this:
c:\emacs-lp\bld\emacs\emacsw32\lisp\emacs-lisp>bzr diff --old
c:\emacs-lp\bld\emacs\trunk -p trunk/:patched/ lisp.el
=== modified file 'lisp/emacs-lisp/lisp.el'
--- trunk/lisp/emacs-lisp/lisp.el 2010-04-27 17:57:32 +0000
+++ patched/lisp/emacs-lisp/lisp.el 2010-05-10 14:21:59 +0000
@@ -438,7 +438,20 @@
;; Try first in this order for the sake of languages with nested
;; functions where several can end at the same place as with
;; the offside rule, e.g. Python.
- (beginning-of-defun)
+
+ ;; Finding the start of the function is a bit problematic since
+ ;; `beginning-of-defun' when we are on the first character of
+ ;; the function might go to the previous function.
+ ;;
+ ;; Therefor we first move one character forward and then call
+ ;; `beginning-of-defun'. However now we must check that we did
+ ;; not move into the next function.
+ (let ((here (point)))
+ (unless (eobp) (forward-char))
+ (beginning-of-defun)
+ (when (< (point) here)
+ (goto-char here)
+ (beginning-of-defun)))
(setq beg (point))
(end-of-defun)
(setq end (point))
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#6157: narrow-to-defun fix when point is on function beginning
2010-05-10 14:51 bug#6157: narrow-to-defun fix when point is on function beginning Lennart Borgman
@ 2010-05-10 17:06 ` Stefan Monnier
2011-09-21 20:03 ` Lars Magne Ingebrigtsen
1 sibling, 0 replies; 6+ messages in thread
From: Stefan Monnier @ 2010-05-10 17:06 UTC (permalink / raw)
To: Lennart Borgman; +Cc: 6157
> `beginning-of-defun' goes to previous function when point is on the
> first character of a function. This is not currently taken care of in
> `narrow-to-defun'. This patch fixes this:
Looks good, thank you (tho I'd use (eolp) rather than (eobp), and I'd
write "Therefore" rather than "Therefor").
Stefan
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#6157: narrow-to-defun fix when point is on function beginning
2010-05-10 14:51 bug#6157: narrow-to-defun fix when point is on function beginning Lennart Borgman
2010-05-10 17:06 ` Stefan Monnier
@ 2011-09-21 20:03 ` Lars Magne Ingebrigtsen
2011-09-21 20:19 ` Lennart Borgman
1 sibling, 1 reply; 6+ messages in thread
From: Lars Magne Ingebrigtsen @ 2011-09-21 20:03 UTC (permalink / raw)
To: Lennart Borgman; +Cc: 6157
Lennart Borgman <lennart.borgman@gmail.com> writes:
> `beginning-of-defun' goes to previous function when point is on the
> first character of a function. This is not currently taken care of in
> `narrow-to-defun'. This patch fixes this:
>
> c:\emacs-lp\bld\emacs\emacsw32\lisp\emacs-lisp>bzr diff --old
> c:\emacs-lp\bld\emacs\trunk -p trunk/:patched/ lisp.el
> === modified file 'lisp/emacs-lisp/lisp.el'
> --- trunk/lisp/emacs-lisp/lisp.el 2010-04-27 17:57:32 +0000
> +++ patched/lisp/emacs-lisp/lisp.el 2010-05-10 14:21:59 +0000
> @@ -438,7 +438,20 @@
> ;; Try first in this order for the sake of languages with nested
> ;; functions where several can end at the same place as with
> ;; the offside rule, e.g. Python.
> - (beginning-of-defun)
> +
> + ;; Finding the start of the function is a bit problematic since
> + ;; `beginning-of-defun' when we are on the first character of
> + ;; the function might go to the previous function.
> + ;;
> + ;; Therefor we first move one character forward and then call
> + ;; `beginning-of-defun'. However now we must check that we did
> + ;; not move into the next function.
> + (let ((here (point)))
> + (unless (eobp) (forward-char))
> + (beginning-of-defun)
> + (when (< (point) here)
> + (goto-char here)
> + (beginning-of-defun)))
> (setq beg (point))
> (end-of-defun)
> (setq end (point))
This patch was apparently approved by Stefan, but not applied, as far as
I can tell. Did it turn out to not be correct after all?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog http://lars.ingebrigtsen.no/
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#6157: narrow-to-defun fix when point is on function beginning
2011-09-21 20:03 ` Lars Magne Ingebrigtsen
@ 2011-09-21 20:19 ` Lennart Borgman
2012-04-11 2:11 ` Lars Magne Ingebrigtsen
0 siblings, 1 reply; 6+ messages in thread
From: Lennart Borgman @ 2011-09-21 20:19 UTC (permalink / raw)
To: Lars Magne Ingebrigtsen; +Cc: 6157
On Wed, Sep 21, 2011 at 22:03, Lars Magne Ingebrigtsen <larsi@gnus.org> wrote:
> Lennart Borgman <lennart.borgman@gmail.com> writes:
>
>> `beginning-of-defun' goes to previous function when point is on the
>> first character of a function. This is not currently taken care of in
>> `narrow-to-defun'. This patch fixes this:
>>
>> c:\emacs-lp\bld\emacs\emacsw32\lisp\emacs-lisp>bzr diff --old
>> c:\emacs-lp\bld\emacs\trunk -p trunk/:patched/ lisp.el
>> === modified file 'lisp/emacs-lisp/lisp.el'
>> --- trunk/lisp/emacs-lisp/lisp.el 2010-04-27 17:57:32 +0000
>> +++ patched/lisp/emacs-lisp/lisp.el 2010-05-10 14:21:59 +0000
>> @@ -438,7 +438,20 @@
>> ;; Try first in this order for the sake of languages with nested
>> ;; functions where several can end at the same place as with
>> ;; the offside rule, e.g. Python.
>> - (beginning-of-defun)
>> +
>> + ;; Finding the start of the function is a bit problematic since
>> + ;; `beginning-of-defun' when we are on the first character of
>> + ;; the function might go to the previous function.
>> + ;;
>> + ;; Therefor we first move one character forward and then call
>> + ;; `beginning-of-defun'. However now we must check that we did
>> + ;; not move into the next function.
>> + (let ((here (point)))
>> + (unless (eobp) (forward-char))
>> + (beginning-of-defun)
>> + (when (< (point) here)
>> + (goto-char here)
>> + (beginning-of-defun)))
>> (setq beg (point))
>> (end-of-defun)
>> (setq end (point))
>
> This patch was apparently approved by Stefan, but not applied, as far as
> I can tell. Did it turn out to not be correct after all?
I think it was correct, but the problem is that I never submit
anything to the repository. (Since I did not trust myself to make the
submission in a correct way...)
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#6157: narrow-to-defun fix when point is on function beginning
2011-09-21 20:19 ` Lennart Borgman
@ 2012-04-11 2:11 ` Lars Magne Ingebrigtsen
2012-04-11 9:47 ` Lennart Borgman
0 siblings, 1 reply; 6+ messages in thread
From: Lars Magne Ingebrigtsen @ 2012-04-11 2:11 UTC (permalink / raw)
To: Lennart Borgman; +Cc: 6157
Lennart Borgman <lennart.borgman@gmail.com> writes:
> I think it was correct, but the problem is that I never submit
> anything to the repository. (Since I did not trust myself to make the
> submission in a correct way...)
I've now applied it to the trunk.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog http://lars.ingebrigtsen.no/
^ permalink raw reply [flat|nested] 6+ messages in thread
* bug#6157: narrow-to-defun fix when point is on function beginning
2012-04-11 2:11 ` Lars Magne Ingebrigtsen
@ 2012-04-11 9:47 ` Lennart Borgman
0 siblings, 0 replies; 6+ messages in thread
From: Lennart Borgman @ 2012-04-11 9:47 UTC (permalink / raw)
To: Lars Magne Ingebrigtsen; +Cc: 6157
On Wed, Apr 11, 2012 at 04:11, Lars Magne Ingebrigtsen <larsi@gnus.org> wrote:
> Lennart Borgman <lennart.borgman@gmail.com> writes:
>
>> I think it was correct, but the problem is that I never submit
>> anything to the repository. (Since I did not trust myself to make the
>> submission in a correct way...)
>
> I've now applied it to the trunk.
Thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2012-04-11 9:47 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2010-05-10 14:51 bug#6157: narrow-to-defun fix when point is on function beginning Lennart Borgman
2010-05-10 17:06 ` Stefan Monnier
2011-09-21 20:03 ` Lars Magne Ingebrigtsen
2011-09-21 20:19 ` Lennart Borgman
2012-04-11 2:11 ` Lars Magne Ingebrigtsen
2012-04-11 9:47 ` Lennart Borgman
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