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From: Eric Abrahamsen <eric@ericabrahamsen.net>
To: emacs-orgmode@gnu.org
Subject: Re: replace letf with cl-letf in org-mime
Date: Thu, 02 Apr 2015 09:33:40 +0800	[thread overview]
Message-ID: <87bnj71fgr.fsf@ericabrahamsen.net> (raw)
In-Reply-To: 877ftvy6me.fsf@nicolasgoaziou.fr

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Nicolas Goaziou <mail@nicolasgoaziou.fr> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> If I remove the two `eval's and treat "hook" like a normal variable, the
>> call to `length' fails with:
>>
>> Wrong type argument: sequencep, org-mime-pre-org-hook
>>
>> So apparently `length' is seeing the symbol name, and not the symbol
>> value.
>
> Indeed.
>
>> I tried changing the `let' to look like:
>>
>> (let ((hook (symbol-value (intern (....
>
> What about (length (symbol-value hook)) instead?
>
>> Here's a fixed version of the previous patch.
>
> Thank you. Applied.
>
>> I suppose I could also alter the "bhook" thing to use `symbol-value'
>> instead of `eval', but that doesn't seem to be a net gain.
>
> IMO, anything is a net gain compared to using `eval'.

Makes sense -- here's a fix for that.

Eric


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[-- Type: text/x-diff, Size: 1064 bytes --]

From fc2c492b0e511d157664bf79ce0ba44031f3223b Mon Sep 17 00:00:00 2001
From: Eric Abrahamsen <eric@ericabrahamsen.net>
Date: Thu, 2 Apr 2015 09:29:29 +0800
Subject: [PATCH] org-mime.el: Avoid use of eval

* contrib/lisp/org-mime.el (org-mime-compose):  Use a different
  workaround for operating on the symbol vs symbol value.
---
 contrib/lisp/org-mime.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/lisp/org-mime.el b/contrib/lisp/org-mime.el
index 1e7a3b8..3414876 100644
--- a/contrib/lisp/org-mime.el
+++ b/contrib/lisp/org-mime.el
@@ -292,11 +292,11 @@ export that region, otherwise export the entire body."
 	   (let ((hook (intern (concat "org-mime-pre-"
 				       (symbol-name fmt)
 				       "-hook"))))
-	     (if (> (eval `(length ,hook)) 0)
+	     (if (> (length (symbol-value hook)) 0)
 		 (with-temp-buffer
 		   (insert body)
 		   (goto-char (point-min))
-		   (eval `(run-hooks ',hook))
+		   (run-hooks hook)
 		   (buffer-string))
 	       body))))
 	(fmt (if (symbolp fmt) fmt (intern fmt))))
-- 
2.3.5


      reply	other threads:[~2015-04-02  1:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-22 13:56 replace letf with cl-letf in org-mime Eric Abrahamsen
2015-03-22 14:16 ` Nicolas Goaziou
2015-03-22 14:30   ` Eric Abrahamsen
2015-03-30  8:34   ` Eric Abrahamsen
2015-03-31 10:42     ` Nicolas Goaziou
2015-04-01  2:17       ` Eric Abrahamsen
2015-04-01 19:46         ` Nicolas Goaziou
2015-04-02  1:33           ` Eric Abrahamsen [this message]

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