X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=rules.lisp;h=475bb5ab9d1971cffdf002a60f6d882453779bd2;hb=feb0cbfeea77c0fbb0c4a113177b51af1640acb5;hp=8a3bac7e830fd8141846cf62e04b50ac213d9ca9;hpb=74c8b003fd6af6e12831094b785a7d592f060c6c;p=hyperobject.git

diff --git a/rules.lisp b/rules.lisp
index 8a3bac7..475bb5a 100644
--- a/rules.lisp
+++ b/rules.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: rules.lisp,v 1.23 2003/04/22 18:42:58 kevin Exp $
+;;;; $Id: rules.lisp,v 1.34 2003/04/25 03:35:58 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;;
@@ -64,20 +64,23 @@
 	(cmsg-c :debug "firing rule: ~W" (source-code rule))
 	(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))
 
-;; this does not work on gerd-pcl in cmu 18e+
-;;#+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 (slot-value slot 'value-constraint)))
+  (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"
@@ -89,6 +92,7 @@
 	 (when (direct-rules cl)
 	   (fire-class-rules cl obj slot)))))))
 
+
 #+ignore
 (defmethod (setf slot-value-using-class) :around
     (new-value (cl hyperobject-class) obj (slot hyperobject-esd))