-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 1999-2001 Espen S. Johnsen <esj@stud.cs.uit.no>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 1999-2005 Espen S. Johnsen <espen@users.sf.net>
;;
-;; This library is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU Lesser General Public
-;; License as published by the Free Software Foundation; either
-;; version 2 of the License, or (at your option) any later version.
+;; Permission is hereby granted, free of charge, to any person obtaining
+;; a copy of this software and associated documentation files (the
+;; "Software"), to deal in the Software without restriction, including
+;; without limitation the rights to use, copy, modify, merge, publish,
+;; distribute, sublicense, and/or sell copies of the Software, and to
+;; permit persons to whom the Software is furnished to do so, subject to
+;; the following conditions:
;;
-;; This library is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;; Lesser General Public License for more details.
+;; The above copyright notice and this permission notice shall be
+;; included in all copies or substantial portions of the Software.
;;
-;; You should have received a copy of the GNU Lesser General Public
-;; License along with this library; if not, write to the Free Software
-;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-;; $Id: ffi.lisp,v 1.14 2005-02-14 17:49:17 espen Exp $
+;; $Id: ffi.lisp,v 1.20 2005-04-23 16:48:50 espen Exp $
(in-package "GLIB")
(alien-parameters `(addr ,var))
(alien-bindings
`(,var ,declaration
- ,(if (eq style :in-out)
- (to-alien-form expr type)
- (make-pointer 0))))
+ ,@(cond
+ ((eq style :in-out) (list (to-alien-form expr type)))
+ ((eq declaration 'system-area-pointer)
+ (list '(make-pointer 0))))))
(return-values (from-alien-form var type)))
((eq style :return)
(alien-types declaration)
`(,name ,(alien-type type))))
args))
,(to-alien-form
- `(let (,@(mapcar #'(lambda (arg)
- (destructuring-bind (name type) arg
- `(,name ,(from-alien-form name type))))
- args))
+ `(let (,@(delete nil
+ (mapcar #'(lambda (arg)
+ (destructuring-bind (name type) arg
+ (let ((from-alien
+ (from-alien-form name type)))
+ (unless (eq name from-alien)
+ `(,name ,from-alien)))))
+ args)))
,@body)
return-type))))
(defun callback (af)
(sb-alien:alien-function-sap af))
+#+sbcl
+(deftype callback () 'sb-alien:alien-function)
;;;; Definitons and translations of fundamental types
(declare (ignore type args))
+size-of-float+)
+(defmethod to-alien-form (form (type (eql 'single-float)) &rest args)
+ (declare (ignore type args))
+ `(coerce ,form 'single-float))
+
+(defmethod to-alien-function ((type (eql 'single-float)) &rest args)
+ (declare (ignore type args))
+ #'(lambda (number)
+ (coerce number 'single-float)))
+
(defmethod writer-function ((type (eql 'single-float)) &rest args)
(declare (ignore type args))
#'(lambda (value location &optional (offset 0))
(declare (ignore type args))
+size-of-double+)
+(defmethod to-alien-form (form (type (eql 'double-float)) &rest args)
+ (declare (ignore type args))
+ `(coerce ,form 'double-float))
+
+(defmethod to-alien-function ((type (eql 'double-float)) &rest args)
+ (declare (ignore type args))
+ #'(lambda (number)
+ (coerce number 'double-float)))
+
(defmethod writer-function ((type (eql 'double-float)) &rest args)
(declare (ignore type args))
#'(lambda (value location &optional (offset 0))
(declare (ignore type args))
`(let ((string ,string))
;; Always copy strings to prevent seg fault due to GC
+ #+cmu
(copy-memory
(vector-sap (coerce string 'simple-base-string))
- (1+ (length string)))))
+ (1+ (length string)))
+ #+sbcl
+ (let ((utf8 (%deport-utf8-string string)))
+ (copy-memory (vector-sap utf8) (length utf8)))))
(defmethod to-alien-function ((type (eql 'string)) &rest args)
(declare (ignore type args))
#'(lambda (string)
+ #+cmu
(copy-memory
(vector-sap (coerce string 'simple-base-string))
- (1+ (length string)))))
+ (1+ (length string)))
+ #+sbcl
+ (let ((utf8 (%deport-utf8-string string)))
+ (copy-memory (vector-sap utf8) (length utf8)))))
(defmethod from-alien-form (string (type (eql 'string)) &rest args)
(declare (ignore type args))
`(let ((string ,string))
(unless (null-pointer-p string)
(prog1
- (%naturalize-c-string string)
+ #+cmu(%naturalize-c-string string)
+ #+sbcl(%naturalize-utf8-string string)
(deallocate-memory string)))))
(defmethod from-alien-function ((type (eql 'string)) &rest args)
#'(lambda (string)
(unless (null-pointer-p string)
(prog1
- (%naturalize-c-string string)
+ #+cmu(%naturalize-c-string string)
+ #+sbcl(%naturalize-utf8-string string)
(deallocate-memory string)))))
(defmethod cleanup-form (string (type (eql 'string)) &rest args)
(declare (ignore type args))
`(let ((string ,string))
(unless (null-pointer-p string)
- (%naturalize-c-string string))))
-
+ #+cmu(%naturalize-c-string string)
+ #+sbcl(%naturalize-utf8-string string))))
(defmethod copy-from-alien-function ((type (eql 'string)) &rest args)
(declare (ignore type args))
#'(lambda (string)
(unless (null-pointer-p string)
- (%naturalize-c-string string))))
+ #+cmu(%naturalize-c-string string)
+ #+sbcl(%naturalize-utf8-string string))))
(defmethod writer-function ((type (eql 'string)) &rest args)
(declare (ignore type args))
#'(lambda (string location &optional (offset 0))
(assert (null-pointer-p (sap-ref-sap location offset)))
(setf (sap-ref-sap location offset)
+ #+cmu
(copy-memory
(vector-sap (coerce string 'simple-base-string))
- (1+ (length string))))))
+ (1+ (length string)))
+ #+sbcl
+ (let ((utf8 (%deport-utf8-string string)))
+ (copy-memory (vector-sap utf8) (length utf8))))))
(defmethod reader-function ((type (eql 'string)) &rest args)
(declare (ignore type args))
#'(lambda (location &optional (offset 0))
(unless (null-pointer-p (sap-ref-sap location offset))
- (%naturalize-c-string (sap-ref-sap location offset)))))
+ #+cmu(%naturalize-c-string (sap-ref-sap location offset))
+ #+sbcl(%naturalize-utf8-string (sap-ref-sap location offset)))))
(defmethod destroy-function ((type (eql 'string)) &rest args)
(declare (ignore type args))
(declare (ignore type args))
(values t nil))
+
(defmethod alien-type ((type (eql 'pathname)) &rest args)
(declare (ignore type args))
(alien-type 'string))
(defmethod writer-function ((type (eql 'copy-of)) &rest args)
(declare (ignore type))
(writer-function (first args)))
+
+
+(defmethod alien-type ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ (alien-type 'pointer))
+
+(defmethod size-of ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ (size-of 'pointer))
+
+(defmethod to-alien-form (callback (type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ #+cmu `(callback ,callback)
+ #+sbcl `(sb-alien:alien-function-sap ,callback))
+
+(defmethod to-alien-function ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ #+cmu #'(lambda (callback) (callback callback))
+ #+sbcl #'sb-alien:alien-function-sap)
+
+#+cmu
+(defun find-callback (pointer)
+ (find pointer alien::*callbacks* :key #'callback-trampoline :test #'sap=))
+
+(defmethod from-alien-form (pointer (type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ #+cmu `(find-callback ,pointer)
+ #+sbcl `(sb-alien::%find-alien-function ,pointer))
+
+(defmethod from-alien-function ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ #+cmu #'find-callback
+ #+sbcl #'sb-alien::%find-alien-function)
+
+(defmethod writer-function ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ (let ((writer (writer-function 'pointer))
+ (to-alien (to-alien-function 'callback)))
+ #'(lambda (callback location &optional (offset 0))
+ (funcall writer (funcall to-alien callback) location offset))))
+
+(defmethod reader-function ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ (let ((reader (reader-function 'pointer))
+ (from-alien (from-alien-function 'callback)))
+ #'(lambda (location &optional (offset 0))
+ (let ((pointer (funcall reader location offset)))
+ (unless (null-pointer-p pointer)
+ (funcall from-alien pointer))))))
+
+(defmethod unbound-value ((type (eql 'callback)) &rest args)
+ (declare (ignore type args))
+ (values t nil))
~mdw / clg / blobdiff