60 lines
2.7 KiB
Common Lisp
60 lines
2.7 KiB
Common Lisp
;;; -*- Mode: Lisp; Syntax: Common-Lisp; Package: CL-USER; Encoding: utf-8; -*-
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;;; ---------------------------------------------------------------------------
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;;; Title: ACL-5.0 dependent stuff + fixups
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;;; Created: 1999-05-25 22:32
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;;; Author: Gilbert Baumann <unk6@rz.uni-karlsruhe.de>
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;;; License: LLGPL (See file COPYING for details).
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;;; ---------------------------------------------------------------------------
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;;; (c) copyright 1998,1999 by Gilbert Baumann
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;;; This code is free software; you can redistribute it and/or modify it
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;;; under the terms of the version 2.1 of the GNU Lesser General Public
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;;; License as published by the Free Software Foundation, as clarified
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;;; by the "Preamble to the Gnu Lesser General Public License" found in
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;;; the file COPYING.
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;;;
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;;; This code is distributed in the hope that it will be useful,
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;;; but without any warranty; without even the implied warranty of
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;;; merchantability or fitness for a particular purpose. See the GNU
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;;; Lesser General Public License for more details.
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;;;
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;;; Version 2.1 of the GNU Lesser General Public License is in the file
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;;; COPYING that was distributed with this file. If it is not present,
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;;; you can access it from http://www.gnu.org/copyleft/lesser.txt (until
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;;; superseded by a newer version) or write to the Free Software
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;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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;;; Changes
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;;; =======
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;;; When Who What
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;;; ---------------------------------------------------------------------------
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;;; 2002-01-04 GB spend BLOCK for DEFSUBST
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;;; 1999-08-31 SES Stig Erik Sandø <stig@ii.uib.no>
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;;;
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;;; Changed #+allegro-v5.0 to
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;;; #+(and allegro-version>= (version>= 5))
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;;;
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;; ACL is incapable to define compiler macros on (setf foo)
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;; Unfortunately it is also incapable to declaim such functions inline.
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;; So we revoke the DEFUN hack from dep-gcl here.
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(defmacro runes::defsubst (fun args &body body)
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(if (and (consp fun) (eq (car fun) 'setf))
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(let ((fnam (intern (concatenate 'string "(SETF " (symbol-name (cadr fun)) ")")
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(symbol-package (cadr fun)))))
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`(progn
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(defsetf ,(cadr fun) (&rest ap) (new-value) (list* ',fnam new-value ap))
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(runes::defsubst ,fnam ,args .,body)))
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(labels ((declp (x)
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(and (consp x) (eq (car x) 'declare))))
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`(progn
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(defun ,fun ,args .,body)
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(define-compiler-macro ,fun (&rest .args.)
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(cons '(lambda ,args
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,@(remove-if-not #'declp body)
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(block ,fun
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,@(remove-if #'declp body)))
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.args.))))))
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