1 | ;;; pccl-om.el --- Portable CCL utility for Mule 2.* |
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2 | |
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3 | ;; Copyright (C) 1998 Free Software Foundation, Inc. |
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4 | ;; Copyright (C) 1998 Tanaka Akira |
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5 | |
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6 | ;; Author: Tanaka Akira <akr@jaist.ac.jp> |
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7 | ;; Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp> |
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8 | ;; Keywords: emulation, compatibility, Mule |
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9 | |
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10 | ;; This file is part of APEL (A Portable Emacs Library). |
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11 | |
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12 | ;; This program is free software; you can redistribute it and/or |
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13 | ;; modify it under the terms of the GNU General Public License as |
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14 | ;; published by the Free Software Foundation; either version 2, or (at |
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15 | ;; your option) any later version. |
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16 | |
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17 | ;; This program is distributed in the hope that it will be useful, but |
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18 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of |
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19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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20 | ;; General Public License for more details. |
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21 | |
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22 | ;; You should have received a copy of the GNU General Public License |
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23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
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24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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25 | ;; Boston, MA 02111-1307, USA. |
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26 | |
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27 | ;;; Code: |
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28 | |
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29 | (eval-when-compile (require 'ccl)) |
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30 | (require 'broken) |
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31 | |
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32 | (broken-facility ccl-accept-symbol-as-program |
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33 | "Emacs does not accept symbol as CCL program.") |
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34 | |
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35 | (eval-and-compile |
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36 | (defun make-ccl-coding-system |
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37 | (coding-system mnemonic doc-string decoder encoder) |
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38 | "\ |
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39 | Define a new CODING-SYSTEM by CCL programs DECODER and ENCODER. |
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40 | |
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41 | CODING-SYSTEM, DECODER and ENCODER must be symbol." |
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42 | (setq decoder (symbol-value decoder) |
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43 | encoder (symbol-value encoder)) |
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44 | (make-coding-system coding-system 4 mnemonic doc-string |
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45 | nil ; Mule takes one more optional argument: EOL-TYPE. |
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46 | (cons decoder encoder))) |
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47 | ) |
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48 | |
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49 | (defun ccl-execute (ccl-prog reg) |
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50 | "Execute CCL-PROG with registers initialized by REGISTERS. |
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51 | If CCL-PROG is symbol, it is dereferenced." |
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52 | (exec-ccl |
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53 | (if (symbolp ccl-prog) (symbol-value ccl-prog) ccl-prog) |
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54 | reg)) |
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55 | |
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56 | (defun ccl-execute-on-string (ccl-prog status string &optional contin) |
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57 | "Execute CCL-PROG with initial STATUS on STRING. |
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58 | If CCL-PROG is symbol, it is dereferenced." |
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59 | (exec-ccl-string |
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60 | (if (symbolp ccl-prog) (symbol-value ccl-prog) ccl-prog) |
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61 | status string)) |
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62 | |
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63 | (broken-facility ccl-execute-on-string-ignore-contin |
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64 | "CONTIN argument for ccl-execute-on-string is ignored.") |
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65 | |
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66 | (eval-when-compile |
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67 | (define-ccl-program test-ccl-eof-block |
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68 | '(1 |
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69 | ((read r0) |
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70 | (write r0) |
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71 | (read r0)) |
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72 | (write "[EOF]"))) |
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73 | |
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74 | (make-ccl-coding-system |
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75 | 'test-ccl-eof-block-cs ?T "CCL_EOF_BLOCK tester" |
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76 | 'test-ccl-eof-block 'test-ccl-eof-block) |
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77 | ) |
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78 | |
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79 | (broken-facility ccl-execute-eof-block-on-encoding-null |
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80 | "Emacs forgets executing CCL_EOF_BLOCK with encoding on empty input." |
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81 | (equal (code-convert-string "" *internal* 'test-ccl-eof-block-cs) "[EOF]")) |
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82 | |
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83 | (broken-facility ccl-execute-eof-block-on-encoding-some |
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84 | "Emacs forgets executing CCL_EOF_BLOCK with encoding on non-empty input." |
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85 | (equal (code-convert-string "a" *internal* 'test-ccl-eof-block-cs) "a[EOF]")) |
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86 | |
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87 | (broken-facility ccl-execute-eof-block-on-decoding-null |
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88 | "Emacs forgets executing CCL_EOF_BLOCK with decoding on empty input." |
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89 | (equal (code-convert-string "" 'test-ccl-eof-block-cs *internal*) "[EOF]")) |
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90 | |
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91 | (broken-facility ccl-execute-eof-block-on-decoding-some |
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92 | "Emacs forgets executing CCL_EOF_BLOCK with decoding on non-empty input." |
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93 | (equal (code-convert-string "a" 'test-ccl-eof-block-cs *internal*) "a[EOF]")) |
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94 | |
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95 | (broken-facility ccl-execute-eof-block-on-encoding |
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96 | "Emacs may forget executing CCL_EOF_BLOCK with encoding." |
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97 | (not (or (broken-p 'ccl-execute-eof-block-on-encoding-null) |
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98 | (broken-p 'ccl-execute-eof-block-on-encoding-some))) |
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99 | t) |
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100 | |
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101 | (broken-facility ccl-execute-eof-block-on-decoding |
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102 | "Emacs may forget executing CCL_EOF_BLOCK with decoding." |
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103 | (not (or (broken-p 'ccl-execute-eof-block-on-decoding-null) |
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104 | (broken-p 'ccl-execute-eof-block-on-decoding-some))) |
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105 | t) |
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106 | |
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107 | (broken-facility ccl-execute-eof-block |
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108 | "Emacs may forget executing CCL_EOF_BLOCK." |
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109 | (not (or (broken-p 'ccl-execute-eof-block-on-encoding) |
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110 | (broken-p 'ccl-execute-eof-block-on-decoding))) |
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111 | t) |
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112 | |
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113 | (broken-facility ccl-cascading-read |
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114 | "Emacs CCL read command does not accept more than 2 arguments." |
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115 | (condition-case nil |
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116 | (progn |
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117 | (define-ccl-program cascading-read-test |
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118 | '(1 |
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119 | (read r0 r1 r2))) |
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120 | t) |
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121 | (error nil))) |
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122 | |
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123 | ;;; @ end |
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124 | ;;; |
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125 | |
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126 | (require 'product) |
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127 | (product-provide (provide 'pccl-om) (require 'apel-ver)) |
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128 | |
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129 | ;;; pccl-om.el ends here |
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