Initial revision

runes/dep-acl.lisp

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+;;; -*- Mode: Lisp; Syntax: Common-Lisp; Package: RUNES; -*-
+;;; ---------------------------------------------------------------------------
+;;;     Title: ACL-4.3 dependent stuff + fixups
+;;;   Created: 1999-05-25 22:33
+;;;    Author: Gilbert Baumann <unk6@rz.uni-karlsruhe.de>
+;;;   License: LLGPL (See file COPYING for details).
+;;; ---------------------------------------------------------------------------
+;;;  (c) copyright 1998,1999 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+;;; superseded by a newer version) or write to the Free Software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
+
+;; ACL is incapable to define compiler macros on (setf foo)
+;; Unfortunately it is also incapable to declaim such functions inline.
+;; So we revoke the DEFUN hack from dep-gcl here.
+
+(defmacro runes::defsubst (fun args &body body)
+  (if (and (consp fun) (eq (car fun) 'setf))
+      (let ((fnam (intern (concatenate 'string "(SETF " (symbol-name (cadr fun)) ")")
+                          (symbol-package (cadr fun)))))
+        `(progn
+           (defsetf ,(cadr fun) (&rest ap) (new-value) (list* ',fnam new-value ap))
+           (runes::defsubst ,fnam ,args .,body)))
+    `(progn
+       (defun ,fun ,args .,body)
+       (define-compiler-macro ,fun (&rest .args.)
+         (cons '(lambda ,args .,body)
+               .args.)))))