Checking if CLISP is started with the -ansi option

[clg] / gffi / proxy.lisp

diff --git a/gffi/proxy.lisp b/gffi/proxy.lisp
index 041670a21a60377fbca2946dfb47ac11a1ae70e3..4173a1cafa139d6c1436d788b94aad324a7160e5 100644 (file)
--- a/gffi/proxy.lisp
+++ b/gffi/proxy.lisp
@@ -20,7 +20,7 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: proxy.lisp,v 1.5 2006-09-29 13:14:19 espen Exp $
+;; $Id: proxy.lisp,v 1.6 2007-01-12 10:26:44 espen Exp $
 
 (in-package "GFFI")
 
@@ -499,6 +499,20 @@ (defmethod make-proxy-instance ((class proxy-class) location
     (cache-instance instance)
     instance))
 
+;;;; Superclass for ref-counted objects
+
+(defclass ref-counted-object (proxy)
+  ()
+  (:metaclass proxy-class))
+
+(define-type-method from-alien-form ((type ref-counted-object) form 
+                                    &key (ref :copy))
+  (call-next-method type form :ref ref))
+
+(define-type-method from-alien-function ((type ref-counted-object) 
+                                        &key (ref :copy))
+  (call-next-method type :ref ref))
+
 
 ;;;; Superclasses for wrapping of C structures