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1 ;;; -*- Mode: Emacs-Lisp -*-
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2
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3 ;;; ilisp-sym.el --
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4
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5 ;;; This file is part of ILISP.
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6 ;;; Version: 5.7
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7 ;;;
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8 ;;; Copyright (C) 1990, 1991, 1992, 1993 Chris McConnell
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9 ;;; 1993, 1994 Ivan Vasquez
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10 ;;; 1994, 1995 Marco Antoniotti and Rick Busdiecker
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11 ;;;
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12 ;;; Other authors' names for which this Copyright notice also holds
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13 ;;; may appear later in this file.
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14 ;;;
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15 ;;; Send mail to 'ilisp-request@lehman.com' to be included in the
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16 ;;; ILISP mailing list. 'ilisp@lehman.com' is the general ILISP
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17 ;;; mailing list were bugs and improvements are discussed.
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18 ;;;
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19 ;;; ILISP is freely redistributable under the terms found in the file
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20 ;;; COPYING.
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21
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22
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23
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24 ;;;
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25 ;;; ILISP Lisp symbol utils.
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26 ;;;
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27
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28 ;;;%%Symbol
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29 (defun lisp-symbol (package delimiter name)
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30 "Create a LISP symbol."
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31 (list package (if package (or delimiter "::")) name))
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32 (defun lisp-symbol-name (symbol)
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33 "Return the name of SYMBOL."
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34 (car (cdr (cdr symbol))))
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35 (defun lisp-symbol-package (symbol)
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36 "Return the package of SYMBOL."
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37 (car symbol))
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38 (defun lisp-symbol-delimiter (symbol)
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39 "Return the qualifier of SYMBOL."
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40 (car (cdr symbol)))
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41
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42 ;;;
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43 (defun lisp-symbol= (symbol1 symbol2)
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44 "Return T is SYMBOL1 is equal to SYMBOL2."
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45 (and (string= (lisp-symbol-name symbol1) (lisp-symbol-name symbol2))
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46 (string= (lisp-symbol-package symbol1) (lisp-symbol-package symbol2))
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47 (string= (lisp-symbol-delimiter symbol1)
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48 (lisp-symbol-delimiter symbol2))))
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