Initial revision

runes/dep-clisp.lisp

@@ -0,0 +1,59 @@
+;;; -*- Mode: Lisp; Syntax: Common-Lisp; Package: CL-USER; -*-
+;;; ---------------------------------------------------------------------------
+;;;     Title: CLISP dependent stuff + fixups
+;;;   Created: 1999-05-25 22:32
+;;;    Author: Gilbert Baumann <unk6@rz.uni-karlsruhe.de>
+;;;   License: LLGPL (See file COPYING for details).
+;;; ---------------------------------------------------------------------------
+;;;  (c) copyright 1999 by Gilbert Baumann
+
+;;; This code is free software; you can redistribute it and/or modify it
+;;; under the terms of the version 2.1 of the GNU Lesser General Public
+;;; License as published by the Free Software Foundation, as clarified
+;;; by the "Preamble to the Gnu Lesser General Public License" found in
+;;; the file COPYING.
+;;;
+;;; This code 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.
+;;;
+;;; Version 2.1 of the GNU Lesser General Public License is in the file
+;;; COPYING that was distributed with this file.  If it is not present,
+;;; you can access it from http://www.gnu.org/copyleft/lesser.txt (until
+;;; superseded by a newer version) or write to the Free Software
+;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+(in-package :CL-USER)
+
+(eval-when (compile load eval)
+  (if (fboundp 'cl::define-compiler-macro)
+      (pushnew 'define-compiler-macro *features*)))
+
+(setq lisp:*load-paths* '(#P"./"))
+
+#+DEFINE-COMPILER-MACRO
+(cl:define-compiler-macro ldb (bytespec value &whole whole)
+  (let (pos size)
+    (cond ((and (consp bytespec)
+                (= (length bytespec) 3)
+                (eq (car bytespec) 'byte)
+                (constantp (setq size (second bytespec)))
+                (constantp (setq pos (third bytespec))))
+           `(logand ,(if (eql pos 0) value `(ash ,value (- ,pos)))
+                    (1- (ash 1 ,size))))
+          (t
+           whole))))
+
+#-DEFINE-COMPILER-MACRO
+(progn
+  (export 'runes::define-compiler-macro :runes)
+  (defmacro runes::define-compiler-macro (name args &body body)
+    (declare (ignore args body))
+    `(progn
+       ',name)))
+
+(defmacro runes::defsubst (name args &body body)
+  `(progn
+     (declaim (inline ,name))
+     (defun ,name ,args .,body)))