#+clisp(writer-function)
#+clisp(boundp-function)
makunbound-function
+ boundp-function
#+clisp(type :initarg :type :reader slot-definition-type)))
(defclass direct-special-slot-definition (standard-direct-slot-definition)
(append '(:special t) (call-next-method)))
(t (call-next-method))))
-(defmacro vsc-slot-x-using-class (x x-slot-name computer &key allow-string-fun-p)
+(defmacro vsc-slot-x-using-class (x x-slot-name computer
+ &key allow-string-fun-p setf-p)
(let ((generic-name (intern (concatenate 'string
"SLOT-" (string x) "-USING-CLASS"))))
- `(defmethod ,generic-name
- ((class virtual-slots-class) (object virtual-slots-object)
+ `(defmethod ,(if setf-p `(setf ,generic-name) generic-name)
+ (,@(when setf-p '(value))
+ (class virtual-slots-class) (object virtual-slots-object)
(slotd effective-virtual-slot-definition))
(unless (and (slot-boundp slotd ',x-slot-name)
,@(when allow-string-fun-p
- `((not
- (stringp (slot-value slotd ',x-slot-name))))))
+ `((not (stringp (slot-value slotd ',x-slot-name))))))
(setf (slot-value slotd ',x-slot-name) (,computer slotd)))
- (funcall (slot-value slotd ',x-slot-name) object))))
+ (funcall (slot-value slotd ',x-slot-name)
+ ,@(when setf-p '(value))
+ object))))
(vsc-slot-x-using-class value getter compute-slot-reader-function
:allow-string-fun-p t)
+(vsc-slot-x-using-class value setter compute-slot-writer-function
+ :allow-string-fun-p t :setf-p t)
+
(vsc-slot-x-using-class boundp boundp-function compute-slot-boundp-function)
(vsc-slot-x-using-class makunbound makunbound-function
compute-slot-makunbound-function)
-(defmethod (setf slot-value-using-class) (value (class virtual-slots-class)
- (object virtual-slots-object)
- (slotd effective-virtual-slot-definition))
- (unless (slot-boundp slotd 'setter)
- (setf (slot-value slotd 'setter) (compute-slot-writer-function slotd)))
- (funcall (slot-value slotd 'setter) value object))
-
;; In CLISP and SBCL (0.9.15 or newler) a class may not have been
;; finalized when update-slots are called. So to avoid the possibility
;; of finalize-instance being called recursivly we have to delay the