;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-;; $Id: gforeign.lisp,v 1.1 2000-08-14 16:44:38 espen Exp $
+;; $Id: gforeign.lisp,v 1.2 2000-08-16 18:25:30 espen Exp $
(in-package "GLIB")
(push doc/arg docs)
(progn
(destructuring-bind (expr type &optional (style :in)) doc/arg
- (unless (member style '(:in :out))
+ (unless (member style '(:in :out :in-out))
(error "Bogus argument style ~S in ~S." style doc/arg))
- (when (and (not supplied-lambda-list) (namep expr) (eq style :in))
+ (when (and
+ (not supplied-lambda-list)
+ (namep expr) (member style '(:in :in-out)))
(push expr lambda-list))
(push
(list (if (namep expr) expr (gensym)) expr type style) args)))))
(let ((declaration (translate-type-spec type-spec))
(deallocation (cleanup-alien type-spec expr)))
(cond
- ((eq style :out)
+ ((member style '(:out :in-out))
(alien-types `(* ,declaration))
(alien-parameters `(addr ,var))
- (alien-bindings `(,var ,declaration))
+ (alien-bindings
+ `(,var ,declaration
+ ,@(when (eq style :in-out)
+ (list (translate-to-alien type-spec expr)))))
(alien-values (translate-from-alien type-spec var)))
(deallocation
(alien-types declaration)