;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: objects.cl,v 1.13 2002/03/21 16:47:46 kevin Exp $
+;;;; $Id: objects.cl,v 1.14 2002/03/22 20:51:08 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
obj
)
-;; Simple first pass. Will later create optimized routines for
-;; various platforms.
(defmacro with-foreign-object ((var type) &rest body)
- #+allegro
+ #-(or cmu lispworks) ; default version
`(let ((,var (allocate-foreign-object ,type)))
(unwind-protect
(progn ,@body)
(free-foreign-object ,var)))
#+cmu
- `(alien:with-alien ((,var ,(convert-from-uffi-type type :allocate)))
- (setq ,var (alien:addr ,var))
- ,@body)
+ (let ((obj (gensym)))
+ `(alien:with-alien ((,obj ,(convert-from-uffi-type type :allocate)))
+ (let ((,var (alien:addr ,obj)))
+ ,@body)))
#+lispworks
- `(fli:with-dynamic-foreign-objects ((,var ,(convert-from-uffi-type type :allocate)))
+ `(fli:with-dynamic-foreign-objects ((,var ,(convert-from-uffi-type
+ type :allocate)))
,@body)
)