source: trunk/abcl/src/org/armedbear/lisp/do-all-symbols.lisp @ 11776

Last change on this file since 11776 was 11776, checked in by ehuelsmann, 12 years ago

Fix DO-ALL-SYMBOLS.{6,9,12}: we can't use DOLIST, because it has
an implicit NIL block surrounding it. MAPC doesn't.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.4 KB
Line 
1;;; do-all-symbols.lisp
2;;;
3;;; Copyright (C) 2003-2005 Peter Graves
4;;; $Id: do-all-symbols.lisp 11776 2009-04-21 20:56:11Z ehuelsmann $
5;;;
6;;; This program is free software; you can redistribute it and/or
7;;; modify it under the terms of the GNU General Public License
8;;; as published by the Free Software Foundation; either version 2
9;;; of the License, or (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19;;;
20;;; As a special exception, the copyright holders of this library give you
21;;; permission to link this library with independent modules to produce an
22;;; executable, regardless of the license terms of these independent
23;;; modules, and to copy and distribute the resulting executable under
24;;; terms of your choice, provided that you also meet, for each linked
25;;; independent module, the terms and conditions of the license of that
26;;; module.  An independent module is a module which is not derived from
27;;; or based on this library.  If you modify this library, you may extend
28;;; this exception to your version of the library, but you are not
29;;; obligated to do so.  If you do not wish to do so, delete this
30;;; exception statement from your version.
31
32;;; Adapted from SBCL.
33
34(in-package #:system)
35
36(defmacro do-all-symbols ((var &optional result-form) &body body)
37  (multiple-value-bind (forms decls) (parse-body body nil)
38    (let ((flet-name (gensym "DO-SYMBOLS-")))
39      `(block nil
40         (flet ((,flet-name (,var)
41                 ,@decls
42                 (tagbody ,@forms)))
43           (mapc #'(lambda (package) 
44                     (flet ((iterate-over-symbols (symbols)
45                              (mapc #',flet-name symbols)))
46                       (iterate-over-symbols
47                        (package-internal-symbols package))
48                       (iterate-over-symbols
49                        (package-external-symbols package))))
50                 (list-all-packages)))
51         (let ((,var nil))
52           (declare (ignorable ,var))
53           ,@decls
54           ,result-form)))))
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