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annotate libgui/src/interpreter-qobject.cc @ 27196:d993642352d0

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rename octave_interpreter object in GUI * interpreter-qobject.h, interpreter-qobject.cc: New files. Move octave_interpreter object here from main-window.h and main-window.cc and rename to interpreter_qobject so that it will (I hope) be clearer that this object provides a QObject wrapper around Octave's interpreter object. Change all uses. * libgui/src/module.mk: Update.
author John W. Eaton <jwe@octave.org>
date Fri, 21 Jun 2019 14:41:04 -0500
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children b8c0d5ad024f
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1 /*
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2
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3 Copyright (C) 2013-2019 John W. Eaton
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4 Copyright (C) 2011-2019 Jacob Dawid
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5
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6 This file is part of Octave.
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7
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8 Octave is free software: you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <https://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if defined (HAVE_CONFIG_H)
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25 # include "config.h"
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26 #endif
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27
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28 #include "interpreter-qobject.h"
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29 #include "octave-gui.h"
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30
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31 #include "input.h"
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32 #include "interpreter.h"
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33
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34 namespace octave
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35 {
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36 interpreter_qobject::interpreter_qobject (gui_application& app_context)
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37 : QObject (), m_app_context (app_context)
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38 { }
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39
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40 void interpreter_qobject::execute (void)
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41 {
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42 // The application context owns the interpreter.
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43
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44 interpreter& interp = m_app_context.create_interpreter ();
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45
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46 int exit_status = 0;
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47
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48 try
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49 {
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50 // Final initialization.
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51
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52 interp.initialize ();
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53
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54 if (m_app_context.start_gui_p ())
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55 {
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56 input_system& input_sys = interp.get_input_system ();
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57
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58 input_sys.PS1 (">> ");
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59 input_sys.PS2 ("");
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60 }
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61
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62 if (interp.initialized ())
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63 {
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64 // The interpreter should be completely ready at this point so let
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65 // the GUI know.
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66
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67 emit octave_ready_signal ();
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68
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69 // Start executing commands in the command window.
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70
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71 exit_status = interp.execute ();
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72 }
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73 }
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74 catch (const exit_exception& ex)
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75 {
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76 exit_status = ex.exit_status ();
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77 }
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78
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79 // Whether or not initialization succeeds we need to clean up the
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80 // interpreter once we are done with it.
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81
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82 m_app_context.delete_interpreter ();
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83
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84 emit octave_finished_signal (exit_status);
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85 }
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86 }