;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
-;;;; Name: objects.cl
+;;;; Name: objects.lisp
;;;; Purpose: UFFI source to handle objects and pointers
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: objects.lisp,v 1.9 2002/12/30 20:39:22 kevin Exp $
+;;;; $Id: objects.lisp,v 1.17 2003/08/14 21:40:13 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :uffi)
+(in-package #:uffi)
(defun size-of-foreign-type (type)
#+lispworks (fli:size-of type)
#+sbcl
`(sb-alien:make-alien ,(convert-from-uffi-type (eval type) :allocation))
#+lispworks
- `(fli:allocate-foreign-object :type ',(convert-from-uffi-type (eval type) :allocate))
+ `(fli:allocate-foreign-object :type ',(convert-from-uffi-type type :allocate))
#+allegro
- `(ff:allocate-fobject ',(convert-from-uffi-type (eval type) :allocate) :c)
+ `(ff:allocate-fobject ',(convert-from-uffi-type type :allocate) :c)
#+mcl
- `(new-ptr ,(size-of-foreign-type (convert-from-uffi-type (eval type) :allocation)))
+ `(new-ptr ,(size-of-foreign-type (convert-from-uffi-type type :allocation)))
)
(progn
#+(or cmu scl)
#+sbcl
`(sb-alien:make-alien ,(convert-from-uffi-type (eval type) :allocation) ,size)
#+lispworks
- `(fli:allocate-foreign-object :type ',(convert-from-uffi-type (eval type) :allocate) :nelems ,size)
+ `(fli:allocate-foreign-object :type ',(convert-from-uffi-type type :allocate) :nelems ,size)
#+allegro
- `(ff:allocate-fobject (list :array (quote ,(convert-from-uffi-type (eval type) :allocate)) ,size) :c)
+ `(ff:allocate-fobject (list :array (quote ,(convert-from-uffi-type type :allocate)) ,size) :c)
#+mcl
- `(new-ptr (* ,size ,(size-of-foreign-type (convert-from-uffi-type (eval type) :allocation))))
+ `(new-ptr (* ,size ,(size-of-foreign-type (convert-from-uffi-type type :allocation))))
)))
(defmacro free-foreign-object (obj)
#+mcl
(defsetf deref-pointer deref-pointer-set)
-#+(or lispworks (and mcl (not openmcl))) ;; with LW, deref is a character
+#+lispworks
+(defmacro ensure-char-character (obj)
+ `(if (characterp ,obj) ,obj (code-char ,obj)))
+
+#+(and mcl (not openmcl))
(defmacro ensure-char-character (obj)
obj)
`(with-foreign-objects ((,var ,type))
,@body))
+#+lispworks
+(defmacro with-cast-pointer ((binding-name pointer type) &body body)
+ `(fli:with-coerced-pointer (,binding-name
+ :type ',(convert-from-uffi-type (eval type) :type))
+ ,pointer
+ ,@body))
+
+#+(or cmu scl sbcl)
+(defmacro with-cast-pointer ((binding-name pointer type) &body body)
+ `(let ((,binding-name
+ (#+(or cmu scl) alien:cast
+ #+sbcl sb-alien:cast
+ ,pointer (* ,(convert-from-uffi-type (eval type) :type)))))
+ ,@body))
+
+#+allegro
+(defmacro with-cast-pointer ((binding-name pointer type) &body body)
+ (declare (ignore type))
+ `(let ((,binding-name ,pointer))
+ ,@body))
+
+#-(or lispworks cmu scl sbcl allegro)
+(defmacro with-cast-pointer ((binding-name pointer type) &body body)
+ (declare (ignore binding-name pointer type))
+ '(error "WITH-CAST-POINTER not (yet) implemented for ~A"
+ (lisp-implementation-type)))
+
+(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)))
+ #+(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)
+ #+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))))
+ #-(or allegro cmu scl sbcl lispworks)
+ `(define-symbol-macro ,lisp-name
+ '(error "DEF-FOREIGN-VAR not (yet) defined for ~A"
+ (lisp-implementation-type)))))