From: KDr2 <killy.draw@gmail.com>
To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: [PATCH] ob-scheme.el: Fix scheme code blocks execution error in batch mode
Date: Sat, 12 Apr 2014 16:13:25 +0800 [thread overview]
Message-ID: <CAHfjm6gykmR3E53hSJBMd3GwPEeCFxqHUNtg09u-0euGqOUySA@mail.gmail.com> (raw)
In-Reply-To: <87tx9zk5ln.fsf@gmail.com>
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HI, Eric
You are right, I remove the usage of advice now, and use the method you
(nearly) gave, only 1 little change:
I found the code:
----
(defun t1 () (message "abc"))
;;(symbol-function 't1)
(let ((hold #'t1))
(defun t1 () (message "def"))
(setq t1 hold))
;;(symbol-function 't1)
----
did recover the t1 function after it executed, so I use this way:
----
(defun t1 () (message "abc"))
;;(symbol-function 't1)
(let ((hold (symbol-function 't1)))
(defun t1 () (message "def"))
(fset 't1 hold))
;;(symbol-function 't1)
----
And the new patch is attached.
BTW: I received a PDF assignment form from FSF, but the developer name and
the target program on it were wrong (It's for another person who
contributes to GCC, I think), so I reply that mail for a new PDF assignment
form, I 'll tell you after these things done.
Thanks.
On Sat, Apr 12, 2014 at 3:18 AM, Eric Schulte <schulte.eric@gmail.com>wrote:
> Hmmm,
>
> Not to be overly nitpicky here, but I see two issues.
>
> 1. You should use unwind-protect, to ensure that (ad-unadvise #'message)
> is run even if @body throws an error, and
>
> 2. This will remove any advise which the user has placed on #'message.
>
> How about something shaped like the following.
>
> (defmacro with-weird-message (&rest body)
> `(let ((hold #'message)
> current-message)
> (unwind-protect
> (progn
> (defun message (&rest args)
> (setq current-message (apply #'format args)))
> ,@body
> current-message)
> (setq message hold))))
>
> Best,
>
> P.S. I know this is a lot of process for a small patch, but from this
> point forward once you have the FSF assignment you can much more
> easily contribute to ob-scheme and org in general
>
> KDr2 <killy.draw@gmail.com> writes:
>
> > Hi, Eric
> >
> > I'm sorry for that I used `flet' in the patch, It's a easy way to let
> > function `current-message' work in batch mode, so I used it even I saw
> that
> > emacs says `flet' is obsolete, I'm sorry for that.
> >
> > And I made a new patch(attachment) using `defadvice' for `message' to
> > capture the message in batch mode, after the message being captured, the
> > advice function is removed. Is this way OK?
> >
> > And I also sent a request email to assign@gnu.org, and now waiting the
> > reply.
> >
> > Thanks.
> >
> >
> > On Fri, Apr 11, 2014 at 10:45 AM, Eric Schulte <schulte.eric@gmail.com
> >wrote:
> >
> >> We can no longer use `flet' in the Org-mode code base, please re-work
> >> this patch w/o flet.
> >>
> >> Also, I don't see your name in the list of contributors, and (I believe)
> >> this patch is too large to apply w/o FSF assignment. See the following
> >> page on how to contribute to Org-mode.
> >>
> >> http://orgmode.org/worg/org-contribute.html
> >>
> >> KDr2 <killy.draw@gmail.com> writes:
> >>
> >> > The bug:
> >> > write file ~/scheme-test.org with the content below:
> >> > -------8<--------------
> >> > #+BEGIN_SRC scheme :exports results :results output raw
> >> > (display "Hello Scheme in OrgMode")
> >> > #+END_SRC
> >> > -------8<--------------
> >> >
> >> > and run:
> >> >
> >> > emacs --batch --eval='(load "~/.emacs.d/init.el")' ~/scheme-test.org-f
> >> > org-html-export-to-html
> >> >
> >> > you will find the bug:
> >> >
> >> > `org-babel-scheme-execute-with-geiser' uses `current-message' to get
> the
> >> > results of scheme code blocks, but `current-message' always returns
> nil
> >> in
> >> > batch mode, and this patch fixes this.
> >> >
> >> > --
> >>
> >> --
> >> Eric Schulte
> >> https://cs.unm.edu/~eschulte
> >> PGP: 0x614CA05D
> >>
> >
> >
> >
> > --
> > --
> >
> > KDr2, http://kdr2.com
> >
> > From fe5549f3f48acf9b51aeb3706eb8dd3d76ab18c1 Mon Sep 17 00:00:00 2001
> > From: KDr2 <killy.draw@gmail.com>
> > Date: Fri, 11 Apr 2014 12:56:24 +0800
> > Subject: [PATCH] lisp/ob-scheme.el: Fix scheme code blocks execution
> error in
> > batch mode
> >
> > * lisp/ob-scheme.el (org-babel-scheme-capture-current-message,
> org-babel-scheme-execute-with-geiser): Capture scheme code results via
> current-message both in interactive mode and noninteractive mode.
> >
> > `org-babel-scheme-execute-with-geiser' uses `current-message' to get the
> results of scheme code blocks, but `current-message' always returns nil in
> batch mode, and this patch fixes this.
> >
> > Modified from a patch proposal by KDr2(killy.draw@gmail.com)
> > ---
> > lisp/ob-scheme.el | 20 +++++++++++++++++---
> > 1 file changed, 17 insertions(+), 3 deletions(-)
> >
> > diff --git a/lisp/ob-scheme.el b/lisp/ob-scheme.el
> > index b7117e9..6b82c6e 100644
> > --- a/lisp/ob-scheme.el
> > +++ b/lisp/ob-scheme.el
> > @@ -118,6 +118,19 @@ org-babel-scheme-execute-with-geiser will use a
> temporary session."
> > (name))))
> > result))
> >
> > +(defmacro org-babel-scheme-capture-current-message (&rest body)
> > + "Capture current message in both interactive and noninteractive mode"
> > + `(if noninteractive
> > + (let ((current-message nil))
> > + (defadvice message (after capture-current-message activate)
> > + (setq current-message ad-return-value))
> > + ,@body
> > + (ad-unadvise #'message)
> > + current-message)
> > + (progn
> > + ,@body
> > + (current-message))))
> > +
> > (defun org-babel-scheme-execute-with-geiser (code output impl repl)
> > "Execute code in specified REPL. If the REPL doesn't exist, create it
> > using the given scheme implementation.
> > @@ -142,10 +155,11 @@ is true; otherwise returns the last value."
> > (current-buffer)))))
> > (setq geiser-repl--repl repl-buffer)
> > (setq geiser-impl--implementation nil)
> > - (geiser-eval-region (point-min) (point-max))
> > + (setq result (org-babel-scheme-capture-current-message
> > + (geiser-eval-region (point-min) (point-max))))
> > (setq result
> > - (if (equal (substring (current-message) 0 3) "=> ")
> > - (replace-regexp-in-string "^=> " "" (current-message))
> > + (if (and (stringp result) (equal (substring result 0 3) "=>
> "))
> > + (replace-regexp-in-string "^=> " "" result)
> > "\"An error occurred.\""))
> > (when (not repl)
> > (save-current-buffer (set-buffer repl-buffer)
>
> --
> Eric Schulte
> https://cs.unm.edu/~eschulte
> PGP: 0x614CA05D
>
--
--
KDr2, http://kdr2.com
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From f20949e18314977bfa3c2ec1a59fb1e7b3269cbd Mon Sep 17 00:00:00 2001
From: KDr2 <killy.draw@gmail.com>
Date: Sat, 12 Apr 2014 15:59:37 +0800
Subject: [PATCH] lisp/ob-scheme.el: Fix scheme code blocks execution error in
batch mode
* lisp/ob-scheme.el (org-babel-scheme-capture-current-message, org-babel-scheme-execute-with-geiser): Capture scheme code results via current-message both in interactive mode and noninteractive mode.
`org-babel-scheme-execute-with-geiser' uses `current-message' to get the results of scheme code blocks, but `current-message' always returns nil in batch mode, and this patch fixes this.
Modified from a patch proposal by KDr2(killy.draw@gmail.com)
---
lisp/ob-scheme.el | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/lisp/ob-scheme.el b/lisp/ob-scheme.el
index b7117e9..cf21311 100644
--- a/lisp/ob-scheme.el
+++ b/lisp/ob-scheme.el
@@ -118,6 +118,20 @@ org-babel-scheme-execute-with-geiser will use a temporary session."
(name))))
result))
+(defmacro org-babel-scheme-capture-current-message (&rest body)
+ "Capture current message in both interactive and noninteractive mode"
+ `(if noninteractive
+ (let ((original-message (symbol-function 'message))
+ (current-message nil))
+ (defun message (&rest args)
+ (setq current-message (apply original-message args)))
+ (unwind-protect ,@body)
+ (fset 'message original-message)
+ current-message)
+ (progn
+ ,@body
+ (current-message))))
+
(defun org-babel-scheme-execute-with-geiser (code output impl repl)
"Execute code in specified REPL. If the REPL doesn't exist, create it
using the given scheme implementation.
@@ -142,10 +156,11 @@ is true; otherwise returns the last value."
(current-buffer)))))
(setq geiser-repl--repl repl-buffer)
(setq geiser-impl--implementation nil)
- (geiser-eval-region (point-min) (point-max))
+ (setq result (org-babel-scheme-capture-current-message
+ (geiser-eval-region (point-min) (point-max))))
(setq result
- (if (equal (substring (current-message) 0 3) "=> ")
- (replace-regexp-in-string "^=> " "" (current-message))
+ (if (and (stringp result) (equal (substring result 0 3) "=> "))
+ (replace-regexp-in-string "^=> " "" result)
"\"An error occurred.\""))
(when (not repl)
(save-current-buffer (set-buffer repl-buffer)
--
1.9.2
next prev parent reply other threads:[~2014-04-12 8:13 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-02 3:48 [PATCH] ob-scheme.el: Fix scheme code blocks execution error in batch mode KDr2
2014-04-08 13:56 ` KDr2
2014-04-10 8:27 ` Oleh
2014-04-10 8:36 ` KDr2
2014-04-10 8:55 ` Oleh
2014-04-10 9:02 ` KDr2
2014-04-10 10:54 ` Oleh
2014-04-10 11:00 ` KDr2
2014-04-10 11:22 ` Oleh
2014-04-10 11:32 ` KDr2
2014-04-11 2:45 ` Eric Schulte
2014-04-11 5:18 ` KDr2
2014-04-11 19:18 ` Eric Schulte
2014-04-12 8:13 ` KDr2 [this message]
2014-04-12 14:12 ` Eric Schulte
2014-05-22 12:45 ` KDr2
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