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annotate libinterp/corefcn/syminfo.h @ 27923:bd51beb6205e

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update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.
author John W. Eaton <jwe@octave.org>
date Wed, 08 Jan 2020 11:59:41 -0500
parents 1891570abac8
children 665c9ed14c97 0a5b15007766
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2018-2020 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
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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_syminfo_h)
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27 #define octave_syminfo_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <string>
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32 #include <iosfwd>
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33
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34 #include "base-list.h"
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35
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36 #include "ov.h"
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37
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38 class octave_map;
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39
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40 namespace octave
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41 {
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42 struct whos_parameter
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43 {
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44 char command;
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45 char modifier;
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46 int parameter_length;
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47 int first_parameter_length;
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48 int balance;
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49 std::string text;
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50 std::string line;
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51 };
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52
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53 class symbol_info
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54 {
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55 public:
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56
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57 symbol_info (const std::string& name, const octave_value& value,
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58 bool is_formal, bool is_global, bool is_persistent)
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59 : m_name (name), m_value (value), m_is_complex (value.iscomplex ()),
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60 m_is_formal (is_formal), m_is_global (is_global),
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61 m_is_persistent (is_persistent)
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62 { }
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63
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64 std::string name (void) const { return m_name; }
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65
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66 octave_value value (void) const { return m_value; }
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67
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68 bool is_complex (void) const { return m_is_complex; }
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69
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70 bool is_formal (void) const { return m_is_formal; }
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71
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72 bool is_global (void) const { return m_is_global; }
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73
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74 bool is_persistent (void) const { return m_is_persistent; }
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75
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76 void display_line (std::ostream& os,
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77 const std::list<whos_parameter>& params) const;
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78 private:
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79
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80 std::string m_name;
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81 octave_value m_value;
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82 bool m_is_complex;
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83 bool m_is_formal;
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84 bool m_is_global;
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85 bool m_is_persistent;
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86 };
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87
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88 class symbol_info_list : public base_list<symbol_info>
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89 {
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90 public:
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91
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92 symbol_info_list (void) = default;
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93
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94 symbol_info_list (const symbol_info_list&) = default;
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95
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96 symbol_info_list& operator = (const symbol_info_list&) = default;
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97
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98 ~symbol_info_list (void) = default;
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99
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100 octave_value varval (const std::string& name) const;
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101
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102 std::list<std::string> names (void) const;
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103
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104 octave_map map_value (const std::string& caller_function_name,
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105 int nesting_level) const;
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106
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107 // Print a line of information for a given symbol.
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108 void print_descriptor (std::ostream& os,
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109 const std::list<whos_parameter> params) const;
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110
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111 void display (std::ostream& os, const std::string& format) const;
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112
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113 // Parse FORMAT, and return a parameter list,
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114 // containing all information needed to print the given
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115 // attributes of the symbols.
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116 std::list<whos_parameter>
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117 parse_whos_line_format (const std::string& format) const;
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118 };
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119 }
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120
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121 #endif