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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_token_h) |
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24 #define octave_token_h 1 |
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25 |
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26 #include <string> |
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27 |
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28 class symbol_record; |
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29 |
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30 class |
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31 token |
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32 { |
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33 public: |
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34 |
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35 enum token_type |
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36 { |
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37 generic_token, |
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38 string_token, |
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39 double_token, |
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40 ettype_token, |
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41 pttype_token, |
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42 sym_rec_token |
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43 }; |
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44 |
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45 enum end_tok_type |
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46 { |
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47 simple_end, |
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48 for_end, |
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49 function_end, |
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50 if_end, |
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51 switch_end, |
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52 while_end, |
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53 try_catch_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 (const std::string& s, int l = -1, int c = -1); |
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66 token (double d, const std::string& s = std::string (), |
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67 int l = -1, int c = -1); |
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68 token (end_tok_type t, int l = -1, int c = -1); |
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69 token (plot_tok_type t, int l = -1, int c = -1); |
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70 token (symbol_record *s, int l = -1, int c = -1); |
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71 |
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72 ~token (void); |
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73 |
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74 int line (void) { return line_num; } |
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75 int column (void) { return column_num; } |
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76 |
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77 std::string text (void); |
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78 double number (void); |
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79 end_tok_type ettype (void); |
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80 plot_tok_type pttype (void); |
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81 symbol_record *sym_rec (void); |
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82 |
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83 std::string text_rep (void); |
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84 |
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85 private: |
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86 |
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87 // No copying! |
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88 |
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89 token (const token& tok); |
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90 |
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91 token& operator = (const token& tok); |
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92 |
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93 int line_num; |
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94 int column_num; |
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95 token_type type_tag; |
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96 union |
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97 { |
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98 std::string *str; |
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99 double num; |
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100 end_tok_type et; |
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101 plot_tok_type pt; |
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102 symbol_record *sr; |
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103 }; |
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104 std::string orig_text; |
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105 }; |
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106 |
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107 #endif |
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108 |
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109 /* |
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110 ;;; Local Variables: *** |
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111 ;;; mode: C++ *** |
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112 ;;; End: *** |
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113 */ |
