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1 ;;; -*- Mode: Emacs-Lisp -*-
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2
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3 ;;; ilisp-prc.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 process handling
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26 ;;;
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27 ;;;
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28 (defun ilisp-process ()
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29 "Return the current ILISP process."
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30 (get-buffer-process (ilisp-buffer)))
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31
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32
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33 (defvar ilisp-buffer-function 'ilisp-recent-buffer
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34 "A function of no arguments which returns the current ilisp buffer")
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35
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36
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37 ;;;%Buffer and process selection
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38 (defun ilisp-buffer ()
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39 "Return the current ILISP buffer. This is the buffer to whose process requests are sent."
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40 (if (memq major-mode ilisp-modes)
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41 (current-buffer)
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42 (let ((buffer (funcall ilisp-buffer-function)))
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43 (or buffer
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44 (error "You must start an inferior LISP with run-ilisp.")))))
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45
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46
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47 (defun ilisp-recent-buffer ()
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48 "Return the most-recently selected ilisp buffer."
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49 (if ilisp-buffer
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50 (or (get-buffer ilisp-buffer)
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51 (get-buffer
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52 (setq ilisp-buffers
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53 (lisp-del (substring ilisp-buffer 1
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54 (1- (length ilisp-buffer)))
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55 ilisp-buffers
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56 (function (lambda (s1 s2)
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57 (string= s1 (car s2)))))
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58 ilisp-buffer
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59 (format "*%s*" (car (car ilisp-buffers))))))))
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60
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61
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62 ;;;
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63 (defun select-ilisp ()
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64 "Select the current ILISP buffer."
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65 (interactive)
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66 (let ((new (completing-read
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67 (if ilisp-buffer
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68 (format "Buffer [%s]: "
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69 (substring ilisp-buffer 1
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70 (1- (length ilisp-buffer))))
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71 "Buffer: ")
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72 ilisp-buffers nil t)))
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73 (if (not (zerop (length new)))
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74 (setq ilisp-buffer (format "*%s*" new)))))
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