source: trunk/j/src/org/armedbear/lisp/make-load-form-saving-slots.lisp @ 11391

Last change on this file since 11391 was 11391, checked in by vvoutilainen, 12 years ago

ABCL license is GPL + Classpath exception. This was intended
by Peter Graves, the original author. For reference, see

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.8 KB
[5529]1;;; make-load-form-saving-slots.lisp
[8624]3;;; Copyright (C) 2004-2005 Peter Graves
[11297]4;;; $Id: make-load-form-saving-slots.lisp 11391 2008-11-15 22:38:34Z vvoutilainen $
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.
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14;;; GNU General Public License for more details.
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.
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.
[8173]32(in-package #:system)
34(resolve 'defstruct)
36(defun make-load-form-saving-slots (object &key slot-names environment)
[9436]37  (declare (ignore environment))
[5529]38  (let ((class (class-of object))
[8624]39        (inits ())
40        (instance (gensym "INSTANCE-")))
[5529]41    (cond ((typep object 'structure-object)
42           (let ((index 0))
[10379]43             (dolist (slot (%class-slots class))
[5529]44               (let ((slot-name (dsd-name slot)))
45                 (when (or (memq slot-name slot-names)
46                           (null slot-names))
[9740]47                   (let ((value (structure-ref object index)))
48                     (push `(structure-set ,instance ,index ',value) inits))))
[5529]49               (incf index))))
50          ((typep object 'standard-object)
[10379]51           (dolist (slot (%class-slots class))
[9454]52             (let ((slot-name (%slot-definition-name slot)))
[5529]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)))
[8624]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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