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1 /* |
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2 |
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3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, |
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4 2007 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 3 of the License, or (at your |
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11 option) any 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, see |
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20 <http://www.gnu.org/licenses/>. |
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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 #include <string> |
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28 |
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29 class |
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30 token |
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31 { |
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32 public: |
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33 |
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34 enum token_type |
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35 { |
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36 generic_token, |
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37 string_token, |
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38 double_token, |
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39 ettype_token, |
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40 pttype_token, |
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41 sym_rec_token |
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42 }; |
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43 |
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44 enum end_tok_type |
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45 { |
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46 simple_end, |
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47 for_end, |
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48 function_end, |
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49 if_end, |
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50 switch_end, |
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51 while_end, |
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52 try_catch_end, |
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53 unwind_protect_end |
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54 }; |
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55 |
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56 enum plot_tok_type |
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57 { |
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58 replot = 1, |
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59 two_dee = 2, |
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60 three_dee = 3 |
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61 }; |
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62 |
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63 token (int l = -1, int c = -1); |
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64 token (const std::string& s, int l = -1, int c = -1); |
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65 token (double d, const std::string& s = std::string (), |
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66 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_table::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) { return line_num; } |
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74 int column (void) { return column_num; } |
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75 |
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76 std::string text (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_table::symbol_record *sym_rec (void); |
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81 |
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82 std::string text_rep (void); |
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83 |
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84 private: |
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85 |
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86 // No copying! |
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87 |
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88 token (const token& tok); |
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89 |
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90 token& operator = (const token& tok); |
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91 |
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92 int line_num; |
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93 int column_num; |
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94 token_type type_tag; |
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95 union |
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96 { |
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97 std::string *str; |
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98 double num; |
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99 end_tok_type et; |
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100 plot_tok_type pt; |
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101 symbol_table::symbol_record *sr; |
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102 }; |
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103 std::string orig_text; |
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104 }; |
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105 |
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106 #endif |
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107 |
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108 /* |
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109 ;;; Local Variables: *** |
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110 ;;; mode: C++ *** |
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111 ;;; End: *** |
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112 */ |
