From: espen <espen>
Date: Fri, 12 Jan 2007 10:26:44 +0000 (+0000)
Subject: New class REF-COUNTED-OBJECT
X-Git-Tag: clg-0-93~205
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/commitdiff_plain/a75fc933fb4fccfc8ea1c1c5349bc5d77d74f4f8

New class REF-COUNTED-OBJECT
---

diff --git a/gffi/defpackage.lisp b/gffi/defpackage.lisp
index 949926b..5dd116b 100644
--- a/gffi/defpackage.lisp
+++ b/gffi/defpackage.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: defpackage.lisp,v 1.8 2007/01/02 16:03:22 espen Exp $
+;; $Id: defpackage.lisp,v 1.9 2007/01/12 10:26:44 espen Exp $
 
 (defpackage "GFFI"
   (:use "COMMON-LISP" "AUTOEXPORT" "PKG-CONFIG" "CLG-UTILS")
@@ -91,6 +91,6 @@ (defpackage "GFFI"
 	   "EFFECTIVE-ALIEN-SLOT-DEFINITION" 
 	   "DIRECT-VIRTUAL-ALIEN-SLOT-DEFINITION"
 	   "EFFECTIVE-VIRTUAL-ALIEN-SLOT-DEFINITION"
-	   "FOREIGN-SIZE" "REF" "UNREF"
+	   "FOREIGN-SIZE" "REF" "UNREF" "REF-COUNTED-OBJECT"
 	   "ENSURE-PROXY-INSTANCE" "MAKE-PROXY-INSTANCE"  "STRUCT" 
 	   "STRUCT-CLASS" "STATIC-STRUCT-CLASS" "INLINED" "ADJUST-OFFSET"))
diff --git a/gffi/proxy.lisp b/gffi/proxy.lisp
index 3670bdb..b3802b7 100644
--- 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