+(define-type-method return-type ((type glist))
+ 'list)
+
+(define-type-method size-of ((type glist) &key inlined)
+ (assert-not-inlined type inlined)
+ (size-of 'pointer))
+
+(define-type-method type-alignment ((type glist) &key inlined)
+ (assert-not-inlined type inlined)
+ (type-alignment 'pointer))
+
+(define-type-method alien-arg-wrapper ((type glist) var list style form &optional copy-in-p)
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (cond
+ ((and (in-arg-p style) (not (out-arg-p style)))
+ `(with-pointer (,var (make-glist ',element-type ,list ,(not copy-in-p)))
+ (unwind-protect
+ ,form
+ ,(unless copy-in-p
+ `(destroy-glist ,var ',element-type t)))))
+ ((and (in-arg-p style) (out-arg-p style))
+ (let ((glist (make-symbol "GLIST")))
+ `(with-pointer (,glist (make-glist ',element-type ,list ,(not copy-in-p)))
+ (with-pointer (,var ,glist)
+ (unwind-protect
+ ,form
+ ,(unless copy-in-p
+ `(destroy-glist ,glist ',element-type t)))))))
+ ((and (out-arg-p style) (not (in-arg-p style)))
+ `(with-pointer (,var)
+ ,form)))))
+
+(define-type-method to-alien-form ((type glist) list &optional copy-p)
+ (declare (ignore copy-p))
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ `(make-glist ',element-type ,list)))
+
+(define-type-method to-alien-function ((type glist) &optional copy-p)
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (values
+ #'(lambda (list)
+ (make-glist element-type list (not copy-p)))
+ (unless copy-p
+ #'(lambda (list glist)
+ (declare (ignore list))
+ (destroy-glist glist element-type t))))))
+
+(define-type-method from-alien-form ((type glist) form &key (ref :free))
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ `(let ((glist ,form))
+ (unwind-protect
+ (map-glist 'list #'identity glist ',element-type
+ ,(ecase ref (:free :get) ((:static :temp) :peek) (:copy :read)))
+ ,(when (eq ref :free)
+ `(destroy-glist glist ',element-type))))))
+
+(define-type-method from-alien-function ((type glist) &key (ref :free))
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (ecase ref
+ (:free
+ #'(lambda (glist)
+ (prog1
+ (map-glist 'list #'identity glist element-type :get)
+ (glist-free glist))))
+ (:copy
+ #'(lambda (glist)
+ (map-glist 'list #'identity glist element-type :read)))
+ ((:static :temp)
+ #'(lambda (glist)
+ (map-glist 'list #'identity glist element-type :peek))))))
+
+(define-type-method writer-function ((type glist) &key temp inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'glist type))))
+ #'(lambda (list location &optional (offset 0))
+ (setf
+ (ref-pointer location offset)
+ (make-glist element-type list temp)))))
+
+(define-type-method reader-function ((type glist) &key (ref :read) inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'glist type))))
+ (ecase ref
+ ((:read :peek)
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (map-glist 'list #'identity (ref-pointer location offset) element-type ref))))
+ (:get
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (prog1
+ (map-glist 'list #'identity (ref-pointer location offset) element-type :get)
+ (glist-free (ref-pointer location offset))
+ (setf (ref-pointer location offset) (make-pointer 0)))))))))
+
+(define-type-method destroy-function ((type glist) &key temp inlined)
+ (assert-not-inlined type inlined)
+ (let ((element-type (second (type-expand-to 'glist type))))
+ #'(lambda (location &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer location offset))
+ (destroy-glist (ref-pointer location offset) element-type temp)
+ (setf (ref-pointer location offset) (make-pointer 0))))))
+
+(define-type-method copy-function ((type glist) &key inlined)
+ (assert-not-inlined type inlined)
+ (destructuring-bind (element-type) (rest (type-expand-to 'glist type))
+ (let ((copy-element (copy-function element-type)))
+ #'(lambda (from to &optional (offset 0))
+ (unless (null-pointer-p (ref-pointer from offset))
+ (loop
+ as from-list = (ref-pointer from offset)
+ then (glist-next from-list)
+ as to-list = (setf (ref-pointer to offset) (%glist-append nil))
+ then (%glist-append to-list)
+ do (funcall copy-element from-list to-list)
+ while (glist-next from-lisT)))))))