;; Copyright (C) 2002-2004, Yuji Minejima <ggb01164@nifty.ne.jp>
;; ALL RIGHTS RESERVED.
;;
;; $Id: eval.lisp,v 1.6 2004/02/20 07:23:42 yuji Exp $
;; 
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;; 
;;  * Redistributions of source code must retain the above copyright
;;    notice, this list of conditions and the following disclaimer.
;;  * Redistributions in binary form must reproduce the above copyright
;;    notice, this list of conditions and the following disclaimer in
;;    the documentation and/or other materials provided with the
;;    distribution.
;; 
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
;; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
;; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
;; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
;; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
;; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

;;(defmacro lambda (lambda-list &body body)
;;  (function `(lambda ,lambda-list ,@body)))

;;(defun macroexpand (form &optional env)
;;  (multiple-value-bind (expansion expanded-p)
;;	(macroexpand-1 form env)
;;    (if (not expanded-p)
;;	  (return (values form nil)))
;;    (loop
;;     (multiple-value-bind (expansion expanded-p)
;;	   (macroexpand-1 expansion expanded-p))
;;     (unless expanded-p
;;	 (return (values expansion t))))))

(defun special-operator-p (symbol)
  (check-type symbol symbol)
  (member symbol '(block catch eval-when flet function go if labels let let* load-time-value locally macrolet multiple-value-call multiple-value-prog1 progn progv quote return-from setq symbol-macrolet tagbody the throw unwind-protect)))