From: Drew Adams <drew.adams@oracle.com>
To: 16319@debbugs.gnu.org
Subject: bug#16319: 24.3.50; `case' macro not expanded in advice
Date: Wed, 1 Jan 2014 14:05:18 -0800 (PST) [thread overview]
Message-ID: <e734d1bf-4be7-450d-b804-5322495dc21e@default> (raw)
1. This bug:
emacs -Q
Put this in a file foo.el and byte-compile it.
(eval-when-compile (require 'cl)) ;; case,
(when (fboundp 'file-cache-add-file)
(defadvice file-cache-add-file (around bmkp-autofile-filecache activate)
"Respect option `bmkp-autofile-filecache'."
(case bmkp-autofile-filecache
(autofile-only (bmkp-autofile-set (ad-get-arg 0) nil nil 'NO-UPDATE-P))
(autofile+cache (progn ad-do-it (bmkp-autofile-set (ad-get-arg 0) nil nil 'NO-UPDATE-P 'MSG-P)))
(cache-only ad-do-it))))
emacs -Q
M-x load-file foo.elc
M-: (file-cache-add-file "foo.el")
Debugger entered--Lisp error: (void-function case)
(case bmkp-autofile-filecache (autofile-only (bmkp-autofile-set file
nil nil (quote NO-UPDATE-P))) (autofile+cache (progn (setq
ad-return-value (with-no-warnings (funcall ad--addoit-function
file))) (bmkp-autofile-set file nil nil (quote NO-UPDATE-P) (quote
MSG-P)))) (cache-only (setq ad-return-value (with-no-warnings
(funcall ad--addoit-function file)))))
(let (ad-return-value) (case bmkp-autofile-filecache (autofile-only
(bmkp-autofile-set file nil nil (quote NO-UPDATE-P)))
(autofile+cache (progn (setq ad-return-value (with-no-warnings
(funcall ad--addoit-function file))) (bmkp-autofile-set file nil nil
(quote NO-UPDATE-P) (quote MSG-P)))) (cache-only (setq
ad-return-value (with-no-warnings (funcall ad--addoit-function
file))))) ad-return-value)
ad-Advice-file-cache-add-file(#[...])
file-cache-add-file("foo.el")
eval((file-cache-add-file "foo.el") nil)
eval-expression((file-cache-add-file "foo.el") nil)
call-interactively(eval-expression nil nil)
command-execute(eval-expression)
2. Another (minor), related bug:
As a workaround, I defined a helper function, which has just the
`case' sexp, and I use that in the defadvice. But then I get a
warning about `ad-do-it' being an undefined variable. So I work
around that by adding (defvar ad-do-it). But that's not right
either, since `ad-do-it' is not a variable.
Fixing #1 will take care of #2. If you do not fix #1 then at least
the byte-compiler should not flag `ad-do-it' as an undefined
variable.
In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
of 2013-12-27 on ODIEONE
Bzr revision: 115778 rgm@gnu.org-20131228000456-1797o8z6veuyozs0
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
`configure --prefix=/c/Devel/emacs/binary --enable-checking=yes,glyphs
'CFLAGS=-O0 -g3' LDFLAGS=-Lc:/Devel/emacs/lib
CPPFLAGS=-Ic:/Devel/emacs/include'
next reply other threads:[~2014-01-01 22:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-01 22:05 Drew Adams [this message]
2014-01-02 15:14 ` bug#16319: 24.3.50; `case' macro not expanded in advice Stefan Monnier
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