rcl/symbol.lisp

   1 ;; Copyright (c) 2006-2007 Carlos Ungil
   2
   3 ;; Permission is hereby granted, free of charge, to any person obtaining
   4 ;; a copy of this software and associated documentation files (the
   5 ;; "Software"), to deal in the Software without restriction, including
   6 ;; without limitation the rights to use, copy, modify, merge, publish,
   7 ;; distribute, sublicense, and/or sell copies of the Software, and to
   8 ;; permit persons to whom the Software is furnished to do so, subject to
   9 ;; the following conditions:
  10
  11 ;; The above copyright notice and this permission notice shall be
  12 ;; included in all copies or substantial portions of the Software.
  13
  14 ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 ;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  18 ;; LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  19 ;; OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 ;; WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21
  22 (in-package :rcl)
  23
  24 (defclass r-symbol ()
  25   ((pname :accessor pname :initarg :name)
  26    (value :accessor value :initarg :value)
  27    (internal :accessor internal :initarg :internal)))
  28
  29 (defmethod print-object ((r-symbol r-symbol) stream)
  30   (print-unreadable-object (r-symbol stream :type t :identity t)
  31      (format stream "~s" (pname r-symbol))))