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annotate libinterp/corefcn/hook-fcn.cc @ 27919:1891570abac8

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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
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1 /*
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2
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3 Copyright (C) 2013-2020 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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15
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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 (HAVE_CONFIG_H)
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28 # include "config.h"
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29 #endif
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30
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31 #include "hook-fcn.h"
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32 #include "parse.h"
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33
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34 hook_function::hook_function (const octave_value& f, const octave_value& d)
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35 {
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36 if (f.is_string ())
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37 {
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38 std::string name = f.string_value ();
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39
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40 rep = new named_hook_function (name, d);
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41 }
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42 else if (f.is_function_handle ())
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43 {
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44 rep = new fcn_handle_hook_function (f, d);
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45 }
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46 else
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47 error ("invalid hook function");
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48 }
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49
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50 void named_hook_function::eval (const octave_value_list& initial_args)
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51 {
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52 octave_value_list args = initial_args;
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53
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54 if (data.is_defined ())
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55 args.append (data);
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56
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57 octave::feval (name, args, 0);
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58 }
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59
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60 void fcn_handle_hook_function::eval (const octave_value_list& initial_args)
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61 {
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62 octave_value_list args = initial_args;
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63
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64 if (data.is_defined ())
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65 args.append (data);
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66
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67 octave::feval (fcn_handle, args, 0);
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68 }
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69