source: trunk/abcl/src/org/armedbear/lisp/make-load-form-saving-slots.lisp @ 13555

Last change on this file since 13555 was 13555, checked in by ehuelsmann, 9 years ago

Further check the sources for calls to %class-slots, changing to
MOP:CLASS-SLOTS -- because the latter supports non-standard meta classes.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.8 KB
Line 
1;;; make-load-form-saving-slots.lisp
2;;;
3;;; Copyright (C) 2004-2005 Peter Graves
4;;; $Id: make-load-form-saving-slots.lisp 13555 2011-09-02 21:58:23Z 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(in-package #:system)
33
34(resolve 'defstruct)
35
36(defun make-load-form-saving-slots (object &key slot-names environment)
37  (declare (ignore environment))
38  (let ((class (class-of object))
39        (inits ())
40        (instance (gensym "INSTANCE-")))
41    (cond ((typep object 'structure-object)
42           (let ((index 0))
43             (dolist (slot (mop:class-slots class))
44               (let ((slot-name (dsd-name slot)))
45                 (when (or (memq slot-name slot-names)
46                           (null slot-names))
47                   (let ((value (structure-ref object index)))
48                     (push `(structure-set ,instance ,index ',value) inits))))
49               (incf index))))
50          ((typep object 'standard-object)
51           (dolist (slot (mop:class-slots class))
52             (let ((slot-name (%slot-definition-name slot)))
53               (when (or (memq slot-name slot-names)
54                         (null slot-names))
55                 (when (slot-boundp object slot-name)
56                   (let ((value (slot-value object slot-name)))
57                     (push `(setf (slot-value ,instance ',slot-name) ',value) inits))))))))
58    (values `(let ((,instance (allocate-instance (find-class ',(%class-name class)))))
59               (progn ,@inits)
60               ,instance)
61            nil)))
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