;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: aggregates.lisp,v 1.7 2003/06/06 21:59:18 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
#+(or cmu scl) `((* (alien:struct ,name)))
#+sbcl `((* (sb-alien:struct ,name)))
#+mcl `((:* (:struct ,name)))
- #-(or cmu sbcl scl mcl) `((* ,name))
+ #+lispworks `((:pointer ,name))
+ #-(or cmu sbcl scl mcl lispworks) `((* ,name))
`(,(convert-from-uffi-type type :struct))))))
(if variant
(push (list def) processed)
(ccl:%int-to-ptr (+ (ccl:%ptr-to-int ,obj) (the fixnum (ccl::foreign-record-field-offset field)))))
)
-; so we could allow '(:array :long) or deref with other type like :long only
-#+mcl
-(defun array-type (type)
- (let ((result type))
- (when (listp type)
- (let ((type-list (if (eq (car type) 'quote) (nth 1 type) type)))
- (when (and (listp type-list) (eq (car type-list) :array))
- (setf result (cadr type-list)))))
- result))
-
-
-(defmacro deref-array (obj type i)
- "Returns a field from a row"
- #+(or lispworks cmu sbcl scl) (declare (ignore type))
- #+(or cmu scl) `(alien:deref ,obj ,i)
- #+sbcl `(sb-alien:deref ,obj ,i)
- #+lispworks `(fli:dereference ,obj :index ,i)
- #+allegro `(ff:fslot-value-typed (quote ,(convert-from-uffi-type type :type)) :c ,obj ,i)
+;; necessary to eval at compile time for openmcl to compile convert-from-foreign-usb8
+;; below
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ ;; so we could allow '(:array :long) or deref with other type like :long only
#+mcl
- (let* ((array-type (array-type type))
- (local-type (convert-from-uffi-type array-type :allocation))
- (accessor (first (macroexpand `(ccl:pref obj ,local-type)))))
- `(,accessor
- ,obj
- (* (the fixnum ,i) ,(size-of-foreign-type local-type))))
- )
-
+ (defun array-type (type)
+ (let ((result type))
+ (when (listp type)
+ (let ((type-list (if (eq (car type) 'quote) (nth 1 type) type)))
+ (when (and (listp type-list) (eq (car type-list) :array))
+ (setf result (cadr type-list)))))
+ result))
+
+
+ (defmacro deref-array (obj type i)
+ "Returns a field from a row"
+ #+(or lispworks cmu sbcl scl) (declare (ignore type))
+ #+(or cmu scl) `(alien:deref ,obj ,i)
+ #+sbcl `(sb-alien:deref ,obj ,i)
+ #+lispworks `(fli:dereference ,obj :index ,i :copy-foreign-object nil)
+ #+allegro `(ff:fslot-value-typed (quote ,(convert-from-uffi-type type :type)) :c ,obj ,i)
+ #+openmcl
+ (let* ((array-type (array-type type))
+ (local-type (convert-from-uffi-type array-type :allocation))
+ (element-size-in-bits (ccl::%foreign-type-or-record-size local-type :bits)))
+ (ccl::%foreign-access-form
+ obj
+ (ccl::%foreign-type-or-record local-type)
+ `(* ,i ,element-size-in-bits)
+ nil))
+ #+(and mcl (not openmcl))
+ (let* ((array-type (array-type type))
+ (local-type (convert-from-uffi-type array-type :allocation))
+ (accessor (first (macroexpand `(ccl:pref obj ,local-type)))))
+ `(,accessor
+ ,obj
+ (* (the fixnum ,i) ,(size-of-foreign-type local-type))))
+ ))
+
; this expands to the %set-xx functions which has different params than %put-xx
-#+mcl
+#+(and mcl (not openmcl))
(defmacro deref-array-set (obj type i value)
(let* ((array-type (array-type type))
(local-type (convert-from-uffi-type array-type :allocation))
(* (the fixnum ,i) ,(size-of-foreign-type local-type))
,value)))
-#+mcl
+#+(and mcl (not openmcl))
(defsetf deref-array deref-array-set)
(defmacro def-union (name &rest fields)
`(ccl::def-foreign-type nil
(:union ,name ,@(process-struct-fields name fields)))
)
+
+
+#-(or sbcl cmu)
+(defun convert-from-foreign-usb8 (s len)
+ (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
+ (fixnum len))
+ (let ((a (make-array len :element-type '(unsigned-byte 8))))
+ (dotimes (i len a)
+ (declare (fixnum i))
+ (setf (aref a i) (uffi:deref-array s '(:array :unsigned-byte) i)))))
+
+#+sbcl
+(sb-ext:without-package-locks
+ (let ((copy-fn (if (fboundp (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL"))
+ (intern "COPY-FROM-SYSTEM-AREA" "SB-KERNEL")
+ (intern "COPY-UB8-FROM-SYSTEM" "SB-KERNEL"))))
+ (defun convert-from-foreign-usb8 (s len)
+ (let ((sap (sb-alien:alien-sap s)))
+ (declare (type sb-sys:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((result (make-array len :element-type '(unsigned-byte 8))))
+ (funcall copy-fn sap 0
+ result (* sb-vm:vector-data-offset
+ sb-vm:n-word-bits)
+ (* len sb-vm:n-byte-bits))
+ result))))))
+
+#+cmu
+(defun convert-from-foreign-usb8 (s len)
+ (let ((sap (alien:alien-sap s)))
+ (declare (type system:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((result (make-array len :element-type '(unsigned-byte 8))))
+ (kernel:copy-from-system-area sap 0
+ result (* vm:vector-data-offset
+ vm:word-bits)
+ (* len vm:byte-bits))
+ result))))