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1 /* |
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2 |
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3 Copyright (C) 1996, 1997, 2002, 2004, 2005, 2006, 2007 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 #include "symtab.h" |
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30 |
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31 // Break. |
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32 |
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33 class |
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34 tree_break_command : public tree_command |
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35 { |
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36 public: |
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37 |
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38 tree_break_command (int l = -1, int c = -1) |
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39 : tree_command (l, c) { } |
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40 |
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41 ~tree_break_command (void) { } |
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42 |
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43 void eval (void); |
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44 |
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45 tree_command *dup (symbol_table::scope_id scope); |
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46 |
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47 void accept (tree_walker& tw); |
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48 |
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49 static int breaking; |
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50 |
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51 private: |
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52 |
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53 // No copying! |
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54 |
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55 tree_break_command (const tree_break_command&); |
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56 |
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57 tree_break_command& operator = (const tree_break_command&); |
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58 }; |
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59 |
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60 // Continue. |
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61 |
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62 class |
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63 tree_continue_command : public tree_command |
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64 { |
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65 public: |
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66 |
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67 tree_continue_command (int l = -1, int c = -1) |
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68 : tree_command (l, c) { } |
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69 |
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70 ~tree_continue_command (void) { } |
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71 |
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72 void eval (void); |
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73 |
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74 tree_command *dup (symbol_table::scope_id scope); |
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75 |
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76 void accept (tree_walker& tw); |
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77 |
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78 static int continuing; |
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79 |
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80 private: |
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81 |
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82 // No copying! |
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83 |
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84 tree_continue_command (const tree_continue_command&); |
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85 |
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86 tree_continue_command& operator = (const tree_continue_command&); |
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87 }; |
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88 |
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89 // Return. |
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90 |
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91 class |
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92 tree_return_command : public tree_command |
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93 { |
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94 public: |
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95 |
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96 tree_return_command (int l = -1, int c = -1) |
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97 : tree_command (l, c) { } |
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98 |
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99 ~tree_return_command (void) { } |
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100 |
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101 void eval (void); |
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102 |
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103 tree_command *dup (symbol_table::scope_id scope); |
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104 |
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105 void accept (tree_walker& tw); |
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106 |
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107 static int returning; |
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108 |
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109 private: |
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110 |
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111 // No copying! |
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112 |
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113 tree_return_command (const tree_return_command&); |
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114 |
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115 tree_return_command& operator = (const tree_return_command&); |
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116 }; |
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117 |
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118 #endif |
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119 |
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120 /* |
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121 ;;; Local Variables: *** |
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122 ;;; mode: C++ *** |
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123 ;;; End: *** |
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124 */ |
