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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
parents b442ec6dda5c
children bd51beb6205e
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1 /*
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2
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3 Copyright (C) 1996-2020 The Octave Project Developers
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4
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5 See the file COPYRIGHT.md in the top-level directory of this distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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8
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 #if !defined (octave_pt_anon_scopes_h)
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28 #define octave_pt_anon_scopes_h 1
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29
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30 #include <set>
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31 #include <string>
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32
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33 #include "pt-walk.h"
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34
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35 namespace octave
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36 {
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37 // In possibly nested definitions of anonymous functions, collect
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38 // their scopes and the symbol records therein.
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39
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40 class
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41 tree_anon_scopes : public tree_walker
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42 {
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43 public:
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44
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45 tree_anon_scopes (void) = delete;
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47 tree_anon_scopes (tree_anon_fcn_handle& anon_fh);
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48
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49 // No copying!
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50
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51 tree_anon_scopes (const tree_anon_scopes&) = delete;
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52
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53 tree_anon_scopes& operator = (const tree_anon_scopes&) = delete;
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54
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55 ~tree_anon_scopes (void) = default;
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56
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57 std::set<std::string> fcn_parameters (void) const { return m_params; }
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58
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59 std::set<std::string> free_variables (void) const { return m_vars; }
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60
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61 // The following methods, though public, don't belong to the
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62 // intended user interface of this class.
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63
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64 void visit_anon_fcn_handle (tree_anon_fcn_handle&);
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65
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66 void visit_identifier (tree_identifier&);
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67
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68 void visit_parameter_list (tree_parameter_list&);
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69
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70 void visit_statement (tree_statement&);
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71
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72 void visit_statement_list (tree_statement_list&);
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73
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74 private:
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75
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76 // Variable names that are function parameters.
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77 std::set<std::string> m_params;
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78
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79 // Other variable names.
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80 std::set<std::string> m_vars;
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81 };
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82 }
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83
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84 #endif