;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-;; $Id: virtual-slots.lisp,v 1.4 2006-09-05 13:16:18 espen Exp $
+;; $Id: virtual-slots.lisp,v 1.6 2007-01-02 16:04:57 espen Exp $
(in-package "GFFI")
(defmethod compute-slot-reader-function ((slotd effective-virtual-slot-definition) &optional signal-unbound-p)
(declare (ignore signal-unbound-p))
- (slot-value slotd 'getter))
+ (let ((getter (slot-value slotd 'getter)))
+ #-sbcl getter
+ #+sbcl
+ (etypecase getter
+ (symbol #'(lambda (object) (funcall getter object)))
+ (function getter))))
(defmethod compute-slot-boundp-function ((slotd effective-virtual-slot-definition))
(cond
#'(lambda (object) (declare (ignore object)) nil))
;; An explicit boundp function has been supplied
- ((slot-boundp slotd 'boundp) (slot-value slotd 'boundp))
-
+ ((slot-boundp slotd 'boundp)
+ (let ((boundp (slot-value slotd 'boundp)))
+ #-sbcl boundp
+ #+sbcl
+ (etypecase boundp
+ (symbol #'(lambda (object) (funcall boundp object)))
+ (function boundp))))
+
;; An unbound value has been supplied
((slot-boundp slotd 'unbound)
(let ((reader-function (compute-slot-reader-function slotd nil))
(call-next-method)))
(defmethod compute-slot-writer-function ((slotd effective-virtual-slot-definition))
- (slot-value slotd 'setter))
+ (let ((setter (slot-value slotd 'setter)))
+ #-sbcl setter
+ #+sbcl
+ (etypecase setter
+ (symbol #'(lambda (object value) (funcall setter object value)))
+ (list #'(lambda (object value)
+ (funcall setter value object)))
+ (function setter))))
(define-condition slot-can-not-be-unbound (cell-error)
((instance :reader slot-can-not-be-unbound-instance :initarg :instance))
((not (slot-writable-p slotd))
#'(lambda (object)
(error 'unwritable-slot :name (slot-definition-name slotd) :instance object)))
- ((slot-boundp slotd 'makunbound) (slot-value slotd 'makunbound))
+ ((slot-boundp slotd 'makunbound)
+ (let ((makunbound (slot-value slotd 'makunbound)))
+ #-sbcl makunbound
+ #+sbcl
+ (etypecase makunbound
+ (symbol #'(lambda (object) (funcall makunbound object)))
+ (function makunbound))))
((slot-boundp slotd 'unbound)
#'(lambda (object)
(funcall (slot-value slotd 'writer-function) (slot-value slotd 'unbound) object)))