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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Glenn Morris <rgm@gnu.org>
Cc: Sebastian Wiesner <lunaryorn@gmail.com>,
	Klaus-Dieter Bauer <bauer.klaus.dieter@gmail.com>,
	emacs-devel@gnu.org
Subject: Re: Can the byte-compiler check whether functions passed by name are defined?
Date: Wed, 07 Aug 2013 21:25:45 -0400	[thread overview]
Message-ID: <jwv7gfx0yd7.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <mp7gfx40xx.fsf@fencepost.gnu.org> (Glenn Morris's message of "Wed, 07 Aug 2013 17:59:22 -0400")

> (defun foo (&rest args) t)
> (defun foo2 () (mapcar #'foo '(1 2 3)))
[...]
> foo.el:6:1:Warning: the function `foo' is not known to be defined.

> (defun foo () #'assoc-ignore-case)
[...]
> foo.el:1:8:Warning: `function' is an obsolete variable.

The patch below should fix them, indeed, thanks.


        Stefan


=== modified file 'lisp/emacs-lisp/bytecomp.el'
--- lisp/emacs-lisp/bytecomp.el	2013-08-07 17:33:30 +0000
+++ lisp/emacs-lisp/bytecomp.el	2013-08-08 01:23:52 +0000
@@ -3574,12 +3574,12 @@
     (when (and (symbolp f)
                (byte-compile-warning-enabled-p 'callargs))
       (when (get f 'byte-obsolete-info)
-        (byte-compile-warn-obsolete (car form)))
+        (byte-compile-warn-obsolete f))
 
       ;; Check to see if the function will be available at runtime
       ;; and/or remember its arity if it's unknown.
       (or (and (or (fboundp f)          ; Might be a subr or autoload.
-                   (byte-compile-fdefinition (car form) nil))
+                   (byte-compile-fdefinition f nil))
                (not (memq f byte-compile-noruntime-functions)))
           (eq f byte-compile-current-form) ; ## This doesn't work
                                            ; with recursion.




  reply	other threads:[~2013-08-08  1:25 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-29 10:35 Can the byte-compiler check whether functions passed by name are defined? Klaus-Dieter Bauer
2013-07-29 15:21 ` Stefan Monnier
2013-07-31 13:44   ` Klaus-Dieter Bauer
2013-07-31 17:49     ` Stefan Monnier
2013-07-31 18:01       ` Sebastian Wiesner
2013-08-01 20:31         ` Stefan Monnier
2013-08-04 18:41           ` Klaus-Dieter Bauer
2013-08-04 21:11             ` Stefan Monnier
2013-08-05  8:52               ` Klaus-Dieter Bauer
2013-08-05 14:35                 ` Stefan Monnier
2013-08-05 18:17                   ` Klaus-Dieter Bauer
2013-08-07 11:27                     ` Klaus-Dieter Bauer
2013-08-07 14:41                     ` Stefan Monnier
2013-08-07 15:11                       ` Klaus-Dieter Bauer
2013-08-07 15:21                         ` Stefan Monnier
2013-08-07 17:34                           ` Stefan Monnier
2013-08-07 21:11                             ` Glenn Morris
2013-08-07 21:59                               ` Glenn Morris
2013-08-08  1:25                                 ` Stefan Monnier [this message]
2013-08-08  8:44                                   ` Klaus-Dieter Bauer
2013-08-08 13:07                                     ` Stefan Monnier
2013-08-07 19:59                           ` Klaus-Dieter Bauer
2013-08-07 21:14                             ` Stefan Monnier

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