annotate src/pt-jump.h @ 14138:72c96de7a403 stable

maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents fd0a3ac60b0e
children
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1 /*
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2
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3 Copyright (C) 1996-2012 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 tree_command *dup (symbol_table::scope_id scope,
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44 symbol_table::context_id context) const;
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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 tree_command *dup (symbol_table::scope_id scope,
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72 symbol_table::context_id context) const;
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73
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74 void accept (tree_walker& tw);
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75
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76 static int continuing;
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77
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78 private:
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79
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80 // No copying!
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81
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82 tree_continue_command (const tree_continue_command&);
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83
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84 tree_continue_command& operator = (const tree_continue_command&);
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85 };
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86
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87 // Return.
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88
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89 class
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90 tree_return_command : public tree_command
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91 {
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92 public:
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93
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94 tree_return_command (int l = -1, int c = -1)
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95 : tree_command (l, c) { }
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96
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97 ~tree_return_command (void) { }
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98
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99 tree_command *dup (symbol_table::scope_id scope,
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100 symbol_table::context_id context) const;
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101
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102 void accept (tree_walker& tw);
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103
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104 static int returning;
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105
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106 private:
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107
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108 // No copying!
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109
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110 tree_return_command (const tree_return_command&);
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111
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112 tree_return_command& operator = (const tree_return_command&);
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113 };
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114
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115 #endif