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1 // token.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_token_h) |
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25 #define octave_token_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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31 class symbol_record; |
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32 |
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33 class |
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34 token |
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35 { |
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36 public: |
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37 enum token_type |
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38 { |
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39 generic_token, |
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40 string_token, |
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41 double_token, |
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42 ettype_token, |
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43 pttype_token, |
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44 sym_rec_token, |
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45 }; |
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46 |
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47 enum end_tok_type |
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48 { |
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49 simple_end, |
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50 for_end, |
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51 function_end, |
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52 if_end, |
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53 while_end, |
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54 unwind_protect_end, |
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55 }; |
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56 |
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57 enum plot_tok_type |
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58 { |
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59 replot = 1, |
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60 two_dee = 2, |
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61 three_dee = 3, |
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62 }; |
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63 |
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64 token (int l = -1, int c = -1); |
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65 token (char *s, int l = -1, int c = -1); |
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66 token (double d, char *s = 0, int l = -1, int c = -1); |
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67 token (end_tok_type t, int l = -1, int c = -1); |
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68 token (plot_tok_type t, int l = -1, int c = -1); |
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69 token (symbol_record *s, int l = -1, int c = -1); |
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70 |
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71 ~token (void); |
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72 |
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73 int line (void); |
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74 int column (void); |
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75 |
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76 char *string (void); |
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77 double number (void); |
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78 end_tok_type ettype (void); |
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79 plot_tok_type pttype (void); |
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80 symbol_record *sym_rec (void); |
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81 |
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82 char *text_rep (void); |
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83 |
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84 private: |
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85 token (const token& tok); |
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86 token& operator = (const token& tok); |
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87 |
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88 int line_num; |
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89 int column_num; |
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90 token_type type_tag; |
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91 union |
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92 { |
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93 char *str; |
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94 double num; |
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95 end_tok_type et; |
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96 plot_tok_type pt; |
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97 symbol_record *sr; |
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98 }; |
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99 char *orig_text; |
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100 }; |
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101 |
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102 #endif |
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103 |
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104 /* |
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105 ;;; Local Variables: *** |
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106 ;;; mode: C++ *** |
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107 ;;; page-delimiter: "^/\\*" *** |
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108 ;;; End: *** |
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109 */ |
