(eval-when (:compile-toplevel :load-toplevel :execute)
(defparameter *defined-descriptions* nil))
-(defclass description-access-class (standard-layer-class contextl::special-layered-access-class )
+(define-layered-class description-access-class (standard-layer-class contextl::special-layered-access-class )
((defined-in-descriptions :initarg :in-description)
(mixin-class-p :initarg :mixinp)))
;; This plist will be used to init the attribute object
;; Once the description itself is properly initiated.
(list :name name
- 'effective-attribute attribute
- 'description-class class))
+ 'effective-attribute attribute))
attribute))
+
+(defmethod slot-value-using-class ((class description-access-class) object slotd)
+ (if (or
+ (eq (slot-definition-name slotd) 'described-object)
+ (not (slot-boundp slotd 'attribute-object)))
+ (call-next-method)
+ (slot-definition-attribute-object slotd)))
(defclass standard-description-class (description-access-class layered-class)
(superclass standard-class))
t)
-(defclass standard-description-object (standard-layer-object) ())
+(define-layered-class standard-description-object (standard-layer-object)
+ ((described-object :accessor described-object
+ :special t)))
(defun description-class-name (description-class)
(read-from-string (symbol-name (class-name description-class))))
;;; For now. --drewc
(pushnew class *defined-descriptions*)
-
+
;;; ENDHACK.
(let* ((description (find-layer class))
(attribute-objects
(mapcar
(lambda (slot)
- (setf (attribute-object slot)
- (apply #'make-instance
- 'standard-attribute
- (attribute-object-initargs slot))))
- (class-slots (class-of description))))
+ (let* ((*init-time-description* description)
+ (attribute (apply #'make-instance
+ 'standard-attribute
+ :description description
+ (attribute-object-initargs slot))))
+
+
+ (setf (slot-definition-attribute-object slot) attribute)))
+ (remove 'described-object (class-slots (class-of description))
+ :key #'slot-definition-name)))
(defining-classes (partial-class-defining-classes (class-of description))))
(loop
(find (slot-definition-name direct-slot)
attribute-objects
:key #'attribute-name)))
- (dprint "Re-initing")
- (apply #'reinitialize-instance attribute
- (print (direct-attribute-properties direct-slot)))
- (when (not (eq (find-class (attribute-class attribute))
- (class-of attribute)))
+ (let ((initargs
+ (prepare-initargs attribute (direct-attribute-properties direct-slot))))
+
+ (apply #'reinitialize-instance attribute
+ initargs )
+ (when (not (eq (find-class (attribute-class attribute))
+ (class-of attribute)))
(apply #'change-class attribute (attribute-class attribute)
- (direct-attribute-properties direct-slot)))
+ initargs)))
- (setf (slot-value description (attribute-name attribute))
- attribute))))))))
+ )))))))
;;;; HACK: run this at startup till we figure things out.
(defun initialize-descriptions ()