unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
* Re: [Emacs-diffs] trunk r114390: * emacs-lisp/eieio.el (class-parent): Don't use defalias with macros.
       [not found] <E1VMYS7-0005m6-JR@vcs.savannah.gnu.org>
@ 2013-09-19 14:06 ` Stefan Monnier
  2013-09-19 16:06   ` Glenn Morris
  0 siblings, 1 reply; 3+ messages in thread
From: Stefan Monnier @ 2013-09-19 14:06 UTC (permalink / raw)
  To: Glenn Morris; +Cc: emacs-devel

> +	* emacs-lisp/eieio.el (class-parent): Don't use defalias with macros.

Why not?


        Stefan



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [Emacs-diffs] trunk r114390: * emacs-lisp/eieio.el (class-parent): Don't use defalias with macros.
  2013-09-19 14:06 ` [Emacs-diffs] trunk r114390: * emacs-lisp/eieio.el (class-parent): Don't use defalias with macros Stefan Monnier
@ 2013-09-19 16:06   ` Glenn Morris
  2013-09-19 21:34     ` Stefan Monnier
  0 siblings, 1 reply; 3+ messages in thread
From: Glenn Morris @ 2013-09-19 16:06 UTC (permalink / raw)
  To: Stefan Monnier; +Cc: emacs-devel

Stefan Monnier wrote:

>> +	* emacs-lisp/eieio.el (class-parent): Don't use defalias with macros.
>
> Why not?

Because it didn't work.

(defvar foo-var 0)

(defmacro foo-mac ()
  '(setq foo-var (1+ foo-var)))

(define-obsolete-function-alias 'old-mac #'foo-mac "24.4")

(defun foo-fails ()
  (old-mac))

(defun foo-works ()
  (foo-mac))


Compile:
foo.el:13:4:Warning: the function `foo-mac' is not known to be defined.

Load compiled version:
(foo-fails) ; -> (invalid-function old-mac)


Also, neither version warns that old-mac is obsolete.

I see now that

(eval-and-compile
  (define-obsolete-function-alias 'old-mac #'foo-mac "24.4"))

works. So maybe that should happen automatically at top-level.




^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [Emacs-diffs] trunk r114390: * emacs-lisp/eieio.el (class-parent): Don't use defalias with macros.
  2013-09-19 16:06   ` Glenn Morris
@ 2013-09-19 21:34     ` Stefan Monnier
  0 siblings, 0 replies; 3+ messages in thread
From: Stefan Monnier @ 2013-09-19 21:34 UTC (permalink / raw)
  To: Glenn Morris; +Cc: emacs-devel

>>> +	* emacs-lisp/eieio.el (class-parent): Don't use defalias with macros.
>> Why not?

> Because it didn't work.

> (defvar foo-var 0)

> (defmacro foo-mac ()
>   '(setq foo-var (1+ foo-var)))

> (define-obsolete-function-alias 'old-mac #'foo-mac "24.4")

> (defun foo-fails ()
>   (old-mac))

> (defun foo-works ()
>   (foo-mac))

Oh, I see.  We should probably fix this, but in any case the code after
define-obsolete-function-alias should be changed to use new-mac rather
than old-mac.


        Stefan



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-09-19 21:34 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <E1VMYS7-0005m6-JR@vcs.savannah.gnu.org>
2013-09-19 14:06 ` [Emacs-diffs] trunk r114390: * emacs-lisp/eieio.el (class-parent): Don't use defalias with macros Stefan Monnier
2013-09-19 16:06   ` Glenn Morris
2013-09-19 21:34     ` Stefan Monnier

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).