;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: objects.lisp,v 1.17 2003/08/14 21:40:13 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
#+mcl `(ccl:%null-ptr)
)
+(defmacro make-pointer (addr type)
+ #+(or allegro mcl) (declare (ignore type))
+ #+(or cmu scl) `(alien:sap-alien (system:int-sap ,addr) (* ,(convert-from-uffi-type (eval type) :type)))
+ #+sbcl `(sb-alien:sap-alien (sb-sys:int-sap ,addr) (* ,(convert-from-uffi-type (eval type) :type)))
+ #+lispworks `(fli:make-pointer :address ,addr :type (quote ,(convert-from-uffi-type (eval type) :type)))
+ #+allegro addr
+ #+mcl `(ccl:%int-to-ptr addr)
+ )
+
+(defmacro pointer-address (ptr)
+ #+allegro ptr
+ #+(or cmu scl) `(system:sap-int (alien:alien-sap ,ptr))
+ #+sbcl `(sb-sys:sap-int (sb-alien:alien-sap ,ptr))
+ #+lispworks `(fli:pointer-address ,ptr)
+ #+mcl `(ccl:%ptr-to-int ,ptr))
+
(defmacro char-array-to-pointer (obj)
#+(or cmu scl) `(alien:cast ,obj (* (alien:unsigned 8)))
#+sbcl `(sb-alien:cast ,obj (* (sb-alien:unsigned 8)))
(defmacro def-foreign-var (names type module)
#-lispworks (declare (ignore module))
(let ((foreign-name (if (atom names) names (first names)))
- (lisp-name (if (atom names) (uffi::make-lisp-name names) (second names)))
- (var-type (uffi::convert-from-uffi-type type :foreign-var)))
+ (lisp-name (if (atom names) (make-lisp-name names) (second names)))
+ #-allegro
+ (var-type (convert-from-uffi-type type :type)))
#+(or cmu scl)
`(alien:def-alien-variable (,foreign-name ,lisp-name) ,var-type)
#+sbcl
`(sb-alien:define-alien-variable (,foreign-name ,lisp-name) ,var-type)
#+allegro
- `(ff:def-foreign-variable (,lisp-name ,foreign-name) :convention :c
- :type ,var-type)
+ `(define-symbol-macro ,lisp-name
+ (ff:fslot-value-typed (quote ,(convert-from-uffi-type type :deref))
+ :c (ff:get-entry-point ,foreign-name)))
#+lispworks
- (let ((temp-name (gensym)))
- `(progn
- (fli:define-foreign-variable (,temp-name ,foreign-name) :type ,var-type :module ,module)
- (define-symbol-macro ,lisp-name (,temp-name))))
+ `(progn
+ (fli:define-foreign-variable (,lisp-name ,foreign-name)
+ :accessor :address-of
+ :type ,var-type
+ :module ,module)
+ (define-symbol-macro ,lisp-name (fli:dereference (,lisp-name)
+ :copy-foreign-object nil)))
#-(or allegro cmu scl sbcl lispworks)
`(define-symbol-macro ,lisp-name
'(error "DEF-FOREIGN-VAR not (yet) defined for ~A"