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1 ;;; -*- Mode: Emacs-Lisp -*-
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2
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3 ;;; ilisp-val.el --
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4
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5 ;;; This file is part of ILISP.
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6 ;;; Version: 5.8
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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, 1996 Marco Antoniotti and Rick Busdiecker
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11 ;;; 1996 Marco Antoniotti and Rick Campbell
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12 ;;;
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13 ;;; Other authors' names for which this Copyright notice also holds
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14 ;;; may appear later in this file.
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15 ;;;
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16 ;;; Send mail to 'ilisp-request@naggum.no' to be included in the
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17 ;;; ILISP mailing list. 'ilisp@naggum.no' is the general ILISP
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18 ;;; mailing list were bugs and improvements are discussed.
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19 ;;;
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20 ;;; ILISP is freely redistributable under the terms found in the file
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21 ;;; COPYING.
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22
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23
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24
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25 ;;;
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26 ;;; ILISP buffer value interface
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27 ;;;
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28 ;;;
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29
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30 ;;;
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31 (defun ilisp-value (variable &optional no-error-p)
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32 "Return the value of VARIABLE in the ILISP buffer.
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33 If NO-ERROR-P is NIL, then an error will be signalled if VARIABLE is nil."
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34 (save-excursion
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35 (set-buffer (ilisp-buffer))
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36 (let ((value (eval variable)))
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37 (if value
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38 value
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39 (if no-error-p
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40 nil
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41 (error "%s is not defined." variable))))))
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42
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43 ;;;
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44 (defun set-ilisp-value (variable value)
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45 "Set the value of VARIABLE in the ILISP buffer."
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46 (save-excursion
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47 (set-buffer (ilisp-buffer))
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48 (set variable value)))
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