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1 ;;; -*- Mode: Emacs-Lisp -*-
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2
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3 ;;; ilisp-cmt.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 ;;; ILISP comint interface code.
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25 ;;;
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26 ;;;
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27
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28
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29 ;;;%Process interface
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30 ;;;%%Comint
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31 (defun ilisp-get-old-input ()
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32 "Snarf the sexp starting at the nearest previous prompt, or NIL if none."
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33 (save-excursion
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34 (let* ((begin (lisp-defun-begin))
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35 (pmark (process-mark (get-buffer-process (current-buffer))))
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36 (once (if (< (point) pmark)
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37 (save-excursion (end-of-line) (point))))
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38 (end nil)
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39 (done nil))
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40 (condition-case ()
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41 (while (and (not done) (< (point) (point-max)))
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42 (forward-sexp)
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43 (setq end (point))
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44 (skip-chars-forward " \t\n")
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45 (if (and once (>= (point) once)) (setq done t)))
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46 (error (setq end nil)))
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47 (if end (buffer-substring begin end)))))
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48
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49 ;;;
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50 (defun ilisp-input-filter (str)
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51 "Don't save anything matching ilisp-filter-regexp or less than
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52 ilisp-filter-length long."
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53 (and (not (string-match ilisp-filter-regexp str))
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54 (> (length str) ilisp-filter-length)))
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55
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56 ;;;
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57 (defun ilisp-error-filter (output)
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58 "Keep from OUTPUT only what matches ilisp-error-regexp or everything
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59 if there is no match."
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60 (if (string-match (ilisp-value 'ilisp-error-regexp) output)
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61 (substring output (match-beginning 0) (match-end 0))
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62 output))
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63
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64
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65
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66 (defun newline-and-indent-lisp ()
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67 "If at the end of the buffer, send the string back to the process
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68 mark with no newline. Otherwise, insert a newline, then indent. In
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69 an ilisp buffer the region is narrowed first. See newline-and-indent
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70 for more information."
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71 (interactive "*")
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72 (if ilisp-complete
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73 (exit-minibuffer)
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74 (let (input)
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75 (if (and (= (point) (point-max))
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76 (memq major-mode ilisp-modes)
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77 (setq input (ilisp-get-old-input)))
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78 (let ((process (ilisp-process))
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79 (comint-send-newline (not comint-send-newline)))
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80 (funcall comint-input-sender process input)
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81 (set-marker (process-mark process) (point)))
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82 (save-restriction
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83 (if (memq major-mode ilisp-modes)
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84 (narrow-to-region (save-excursion (lisp-input-start))
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85 (point-max)))
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86 (newline-and-indent))))))
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87
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