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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 3 of the License, or (at your |
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10 option) any 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, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_tree_jump_h) |
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24 #define octave_tree_jump_h 1 |
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25 |
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26 class tree_walker; |
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27 |
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28 #include "pt-cmd.h" |
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29 |
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30 // Break. |
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31 |
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32 class |
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33 tree_break_command : public tree_command |
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34 { |
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35 public: |
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36 |
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37 tree_break_command (int l = -1, int c = -1) |
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38 : tree_command (l, c) { } |
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39 |
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40 ~tree_break_command (void) { } |
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41 |
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42 void eval (void); |
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43 |
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44 tree_command *dup (symbol_table *); |
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45 |
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46 void accept (tree_walker& tw); |
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47 |
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48 static int breaking; |
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49 |
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50 private: |
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51 |
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52 // No copying! |
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53 |
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54 tree_break_command (const tree_break_command&); |
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55 |
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56 tree_break_command& operator = (const tree_break_command&); |
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57 }; |
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58 |
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59 // Continue. |
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60 |
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61 class |
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62 tree_continue_command : public tree_command |
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63 { |
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64 public: |
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65 |
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66 tree_continue_command (int l = -1, int c = -1) |
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67 : tree_command (l, c) { } |
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68 |
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69 ~tree_continue_command (void) { } |
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70 |
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71 void eval (void); |
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72 |
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73 tree_command *dup (symbol_table *); |
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74 |
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75 void accept (tree_walker& tw); |
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76 |
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77 static int continuing; |
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78 |
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79 private: |
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80 |
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81 // No copying! |
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82 |
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83 tree_continue_command (const tree_continue_command&); |
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84 |
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85 tree_continue_command& operator = (const tree_continue_command&); |
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86 }; |
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87 |
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88 // Return. |
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89 |
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90 class |
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91 tree_return_command : public tree_command |
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92 { |
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93 public: |
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94 |
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95 tree_return_command (int l = -1, int c = -1) |
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96 : tree_command (l, c) { } |
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97 |
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98 ~tree_return_command (void) { } |
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99 |
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100 void eval (void); |
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101 |
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102 tree_command *dup (symbol_table *); |
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103 |
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104 void accept (tree_walker& tw); |
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105 |
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106 static int returning; |
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107 |
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108 private: |
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109 |
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110 // No copying! |
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111 |
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112 tree_return_command (const tree_return_command&); |
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113 |
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114 tree_return_command& operator = (const tree_return_command&); |
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115 }; |
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116 |
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117 #endif |
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118 |
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119 /* |
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120 ;;; Local Variables: *** |
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121 ;;; mode: C++ *** |
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122 ;;; End: *** |
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123 */ |
