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annotate libinterp/octave-value/cdef-package.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 b018f553fd85
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2012-2020 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_cdef_package_h)
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27 #define octave_cdef_package_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 <map>
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32 #include <set>
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33 #include <string>
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34
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35 #include "oct-refcount.h"
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36
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37 #include "cdef-object.h"
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38 #include "ov.h"
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39
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40 namespace octave
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41 {
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42 class interpreter;
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43
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44 class
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45 cdef_package : public cdef_meta_object
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46 {
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47 friend class cdef_class;
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48
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49 private:
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50
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51 class
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52 cdef_package_rep : public cdef_meta_object_rep
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53 {
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54 public:
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55
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56 cdef_package_rep (void) : cdef_meta_object_rep (), member_count (0) { }
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57
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58 cdef_package_rep& operator = (const cdef_package_rep&) = delete;
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59
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60 ~cdef_package_rep (void) = default;
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61
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62 cdef_object_rep * copy (void) const { return new cdef_package_rep (*this); }
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63
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64 bool is_package (void) const { return true; }
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65
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66 std::string get_name (void) const { return get("Name").string_value (); }
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67
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68 void set_name (const std::string& nm) { put ("Name", nm); }
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69
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70 void install_class (const cdef_class& cls, const std::string& nm);
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71
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72 void install_function (const octave_value& fcn, const std::string& nm);
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73
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74 void install_package (const cdef_package& pack, const std::string& nm);
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75
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76 Cell get_classes (void) const;
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77
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78 Cell get_functions (void) const;
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79
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80 Cell get_packages (void) const;
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81
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82 octave_idx_type static_count (void) const { return member_count; }
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83
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84 void destroy (void)
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85 {
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86 if (member_count)
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87 {
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88 m_count++;
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89 cdef_package lock (this);
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90
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91 member_count = 0;
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92 class_map.clear ();
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93 package_map.clear ();
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94 }
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95 else
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96 delete this;
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97 }
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98
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99 octave_value_list
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100 meta_subsref (const std::string& type,
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101 const std::list<octave_value_list>& idx, int nargout);
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102
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103 void meta_release (void);
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104
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105 bool meta_accepts_postfix_index (char type) const
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106 {
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107 return (type == '.');
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108 }
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109
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110 octave_value find (const std::string& nm);
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111
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112 private:
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113
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114 std::string full_name;
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115 std::map<std::string, cdef_class> class_map;
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116 std::map<std::string, octave_value> function_map;
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117 std::map<std::string, cdef_package> package_map;
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118
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119 // The number of registered members in this package (classes, packages).
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120 // This only accounts for the members that back-reference to this package.
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121 octave_idx_type member_count;
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122
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123 typedef std::map<std::string, cdef_class>::iterator class_iterator;
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124 typedef std::map<std::string, cdef_class>::const_iterator class_const_iterator;
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125 typedef std::map<std::string, octave_value>::iterator function_iterator;
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126 typedef std::map<std::string, octave_value>::const_iterator function_const_iterator;
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127 typedef std::map<std::string, cdef_package>::iterator package_iterator;
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128 typedef std::map<std::string, cdef_package>::const_iterator package_const_iterator;
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129
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130 cdef_package_rep (const cdef_package_rep& p)
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131 : cdef_meta_object_rep (p), full_name (p.full_name),
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132 class_map (p.class_map), function_map (p.function_map),
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133 package_map (p.package_map), member_count (p.member_count)
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134 { }
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135
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136 cdef_package wrap (void)
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137 {
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138 m_count++;
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139 return cdef_package (this);
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140 }
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141 };
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142
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143 public:
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144
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145 cdef_package (void) : cdef_meta_object () { }
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146
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147 cdef_package (const std::string& nm)
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148 : cdef_meta_object (new cdef_package_rep ())
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149 {
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150 get_rep ()->set_name (nm);
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151 }
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152
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153 cdef_package (const cdef_package& pack) : cdef_meta_object (pack) { }
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154
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155 cdef_package (const cdef_object& obj)
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156 : cdef_meta_object (obj)
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157 {
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158 // This should never happen...
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159 if (! is_package ())
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160 error ("internal error: invalid assignment from %s to meta.package object",
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161 class_name ().c_str ());
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162 }
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163
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164 cdef_package& operator = (const cdef_package& pack)
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165 {
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166 cdef_object::operator = (pack);
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167
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168 return *this;
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169 }
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170
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171 ~cdef_package (void) = default;
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172
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173 void install_class (const cdef_class& cls, const std::string& nm)
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174 {
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175 get_rep ()->install_class (cls, nm);
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176 }
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177
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178 void install_function (const octave_value& fcn, const std::string& nm)
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179 {
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180 get_rep ()->install_function (fcn, nm);
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181 }
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182
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183 void install_package (const cdef_package& pack, const std::string& nm)
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184 {
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185 get_rep ()->install_package (pack, nm);
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186 }
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187
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188 Cell get_classes (void) const
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189 {
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190 return get_rep ()->get_classes ();
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191 }
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192
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193 Cell get_functions (void) const
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194 {
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195 return get_rep ()->get_functions ();
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196 }
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197
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198 Cell get_packages (void) const
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199 {
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200 return get_rep ()->get_packages ();
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201 }
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202
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203 std::string get_name (void) const { return get_rep ()->get_name (); }
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204
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205 octave_value find (const std::string& nm)
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206 {
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207 return get_rep ()->find (nm);
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208 }
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209
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210 private:
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211
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212 cdef_package_rep * get_rep (void)
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213 {
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214 return dynamic_cast<cdef_package_rep *> (cdef_object::get_rep ());
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215 }
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216
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217 const cdef_package_rep * get_rep (void) const
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218 {
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219 return dynamic_cast<const cdef_package_rep *> (cdef_object::get_rep ());
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220 }
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221
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222 friend void install_classdef (interpreter& interp);
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223 };
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224 }
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225
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226 #endif