;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; Copyright (c) 2002 Kevin M. Rosenberg
+;;;; $Id: primitives.cl,v 1.7 2002/03/16 22:54:06 kevin Exp $
;;;;
-;;;; $Id: primitives.cl,v 1.3 2002/03/11 18:00:57 kevin Exp $
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
-;;;; This file is part of the UFFI.
-;;;;
-;;;; UFFI is free software; you can redistribute it and/or modify
-;;;; it under the terms of the GNU General Public License (version 2) as
-;;;; published by the Free Software Foundation.
-;;;;
-;;;; UFFI 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 General Public License for more details.
-;;;;
-;;;; You should have received a copy of the GNU General Public License
-;;;; along with UFFI; if not, write to the Free Software
-;;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+;;;; UFFI users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (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)
-(defmacro def-constant (name value)
+(defmacro def-constant (name value &key (export nil))
"Macro to define a constant and to export it"
`(eval-when (:compile-toplevel :load-toplevel :execute)
(defconstant ,name ,value)
- (export ',name)))
+ ,(if export (list 'export `(quote ,name)) (values))))
(defmacro def-type (name type)
"Generates a (deftype) statement for CL. Currently, only CMUCL
supports takes advantage of this optimization."
+ #+(or lispworks allegro)
+ (declare (ignore type))
#+(or lispworks allegro)
`(deftype ,name () t)
#+cmu
t
nil))
+(defmacro ensure-char (val)
+ `(etypecase ,val
+ (integer
+ (code-char ,val))
+ (character
+ ,val)))
(defmacro def-foreign-type (name type)
#+lispworks `(fli:define-c-typedef ,name ,(convert-from-uffi-type type :type))
(:char . c-call:char)
(:unsigned-char . (alien:unsigned 8))
(:byte . (alien:unsigned 8))
+ (:short . c-call:unsigned-short) (:unsigned-short c-call:unsigned-short)
(:int . alien:integer) (:unsigned-int . c-call:unsigned-int)
(:long . c-call:long) (:unsigned-long . c-call:unsigned-long)
(:float . c-call:float) (:double . c-call:double)