Mercurial > octave
annotate libinterp/parse-tree/pt-anon-scopes.h @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Feb 2021 09:52:15 -0500 |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2021 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 |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if !defined (octave_pt_anon_scopes_h) |
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27 #define octave_pt_anon_scopes_h 1 |
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28 |
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29 #include <set> |
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30 #include <string> |
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31 |
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32 #include "pt-walk.h" |
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33 |
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34 namespace octave |
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35 { |
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36 // In possibly nested definitions of anonymous functions, collect |
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37 // their scopes and the symbol records therein. |
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38 |
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39 class |
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40 tree_anon_scopes : public tree_walker |
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41 { |
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42 public: |
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43 |
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44 tree_anon_scopes (void) = delete; |
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45 |
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46 tree_anon_scopes (tree_anon_fcn_handle& anon_fh); |
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47 |
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48 // No copying! |
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49 |
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50 tree_anon_scopes (const tree_anon_scopes&) = delete; |
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51 |
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52 tree_anon_scopes& operator = (const tree_anon_scopes&) = delete; |
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53 |
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54 ~tree_anon_scopes (void) = default; |
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55 |
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56 std::set<std::string> fcn_parameters (void) const { return m_params; } |
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57 |
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58 std::set<std::string> free_variables (void) const { return m_vars; } |
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59 |
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60 // The following methods, though public, don't belong to the |
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61 // intended user interface of this class. |
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62 |
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63 void visit_anon_fcn_handle (tree_anon_fcn_handle&); |
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64 |
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65 void visit_identifier (tree_identifier&); |
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66 |
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67 void visit_parameter_list (tree_parameter_list&); |
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68 |
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69 void visit_statement (tree_statement&); |
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70 |
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71 void visit_statement_list (tree_statement_list&); |
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72 |
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73 private: |
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74 |
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75 // Variable names that are function parameters. |
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76 std::set<std::string> m_params; |
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77 |
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78 // Other variable names. |
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79 std::set<std::string> m_vars; |
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80 }; |
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81 } |
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82 |
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83 #endif |