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annotate libinterp/octave-value/ov-colon.h @ 20772:bc6daa38ff50

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eliminate more simple uses of error_state * graphics.cc: Eliminate simple uses of error_state.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Oct 2015 14:47:41 -0400
parents 4197fc428c7d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1996-2015 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_ov_colon_h)
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24 #define octave_ov_colon_h 1
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25
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26 #include <cstdlib>
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27
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28 #include <iosfwd>
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29 #include <string>
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30
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31 #include "mx-base.h"
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32 #include "str-vec.h"
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33
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34 #include "error.h"
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35 #include "ov-base.h"
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36 #include "ov-typeinfo.h"
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37
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38 class octave_value_list;
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39
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40 class tree_walker;
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41
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42 // A type to represent ':' as used for indexing.
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43
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44 class
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45 octave_magic_colon : public octave_base_value
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46 {
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47 public:
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48
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49 octave_magic_colon (void)
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50 : octave_base_value () { }
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51
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52 octave_magic_colon (const octave_magic_colon&)
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53 : octave_base_value () { }
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54
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55 ~octave_magic_colon (void) { }
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56
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57 octave_base_value *clone (void) const
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58 { return new octave_magic_colon (*this); }
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59 octave_base_value *empty_clone (void) const
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60 { return new octave_magic_colon (); }
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61
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62 idx_vector index_vector (bool /* require_integers */ = false) const { return idx_vector (':'); }
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63
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64 bool is_defined (void) const { return true; }
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65
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66 bool is_constant (void) const { return true; }
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67
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68 bool is_magic_colon (void) const { return true; }
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69
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70 void print (std::ostream& os, bool pr_as_read_syntax = false);
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71
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72 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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73
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74 private:
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75
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76 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
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77 };
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78
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79 #endif