X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fobjects.cl;h=b510b35bcd47f9627f0b1d46445c389d9bb85797;hb=379a7c3e7b8249ace498d8733c87a3f575a7c799;hp=7f10ab5ba30124e4a08f5e43edf5b7b4c3abbff8;hpb=3dd32205c2d49f126223f5e9ad083093d0636de7;p=uffi.git

diff --git a/src/objects.cl b/src/objects.cl
index 7f10ab5..b510b35 100644
--- a/src/objects.cl
+++ b/src/objects.cl
@@ -1,4 +1,4 @@
-;;;; -*- Mode: ANSI-Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
 ;;;; *************************************************************************
 ;;;; FILE IDENTIFICATION
 ;;;;
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: objects.cl,v 1.12 2002/03/21 15:57:01 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
 ;;;;
@@ -107,13 +107,22 @@ an array of TYPE with size SIZE."
   obj
   )
 
-;; Simple first pass. Will later create optimized routines for
-;; various platforms.
-(defmacro with-foreign-object ((var type &rest etc) &rest body)
-  `(let ((,var (allocate-foreign-object ,type ,@etc)))
+(defmacro with-foreign-object ((var type) &rest body)
+  #-(or cmu lispworks) ; default version
+  `(let ((,var (allocate-foreign-object ,type)))
     (unwind-protect
 	 (progn ,@body)
-      (free-foreign-object ,var))))
+      (free-foreign-object ,var)))
+  #+cmu
+  (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)))
+    ,@body)
+  )
 
 
 (defmacro with-foreign-objects (bindings &rest body)