X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=rules.lisp;h=1e220c43b329ba34ef252a9f7afa5513b11cc615;hb=da57e4f1ef6bef626996ce87fca1abf225274128;hp=7cfdb3ff3e7ff2e3b433d2b420426172ffa9c368;hpb=aba4ebd87fb30d5dfee344b1770e0fc2680396d8;p=hyperobject.git

diff --git a/rules.lisp b/rules.lisp
index 7cfdb3f..1e220c4 100644
--- a/rules.lisp
+++ b/rules.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: rules.lisp,v 1.29 2003/04/23 20:27:49 kevin Exp $
+;;;; $Id: rules.lisp,v 1.36 2003/04/27 18:40:55 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;;
@@ -65,21 +65,20 @@
 	(funcall (func rule) obj)))))
 
 
+#+ignore
 (defmethod (setf slot-value-using-class) :around
     (new-value (cl hyperobject-class) obj (slot hyperobject-esd))
-  ;; this does not work on gerd-pcl in cmu 18e+
-  (esd-value-constraint slot)
   (call-next-method))
 
-#+ignore
-(defmethod (setf slot-value-using-class) :around 
+;; required for cmucl18e+ work-around
+(defmethod (setf slot-value-using-class) :around
     (new-value (cl hyperobject-class) obj (slot hyperobject-esd))
 
   #+ignore
   (cmsg-c :verbose "Setf slot value: class: ~s, obj: ~s, slot: ~s, value: ~s" cl (class-of obj) slot new-value)
   
-  (let ((func (esd-value-constraint slot)))
-    (call-next-method)
+  (let ((func (when (slot-boundp slot 'value-constraint)
+		(esd-value-constraint slot))))
     (cond
       ((and func (not (funcall func new-value)))
        (warn "Rejected change to value of slot ~a of object ~a"
@@ -92,7 +91,6 @@
 	   (fire-class-rules cl obj slot)))))))
 
 
-
 #+ignore
 (defmethod (setf slot-value-using-class) :around
     (new-value (cl hyperobject-class) obj (slot hyperobject-esd))