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annotate libinterp/octave-value/cdef-package.h @ 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
parents b442ec6dda5c
children bd51beb6205e
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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 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 (octave_cdef_package_h)
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28 #define octave_cdef_package_h 1
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29
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30 #include "octave-config.h"
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31
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32 #include <map>
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33 #include <set>
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34 #include <string>
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35
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36 #include "oct-refcount.h"
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37
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38 #include "cdef-object.h"
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39 #include "ov.h"
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40
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41 namespace octave
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42 {
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43 class interpreter;
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44
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45 class
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46 cdef_package : public cdef_meta_object
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47 {
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48 friend class cdef_class;
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49
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50 private:
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51
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52 class
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53 cdef_package_rep : public cdef_meta_object_rep
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54 {
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55 public:
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56
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57 cdef_package_rep (void) : cdef_meta_object_rep (), member_count (0) { }
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58
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59 cdef_package_rep& operator = (const cdef_package_rep&) = delete;
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60
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61 ~cdef_package_rep (void) = default;
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62
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63 cdef_object_rep * copy (void) const { return new cdef_package_rep (*this); }
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64
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65 bool is_package (void) const { return true; }
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66
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67 std::string get_name (void) const { return get("Name").string_value (); }
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68
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69 void set_name (const std::string& nm) { put ("Name", nm); }
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70
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71 void install_class (const cdef_class& cls, const std::string& nm);
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72
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73 void install_function (const octave_value& fcn, const std::string& nm);
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74
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75 void install_package (const cdef_package& pack, const std::string& nm);
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76
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77 Cell get_classes (void) const;
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78
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79 Cell get_functions (void) const;
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80
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81 Cell get_packages (void) const;
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82
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83 octave_idx_type static_count (void) const { return member_count; }
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84
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85 void destroy (void)
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86 {
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87 if (member_count)
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88 {
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89 m_count++;
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90 cdef_package lock (this);
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91
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92 member_count = 0;
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93 class_map.clear ();
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94 package_map.clear ();
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95 }
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96 else
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97 delete this;
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98 }
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99
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100 octave_value_list
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101 meta_subsref (const std::string& type,
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102 const std::list<octave_value_list>& idx, int nargout);
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103
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104 void meta_release (void);
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105
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106 bool meta_accepts_postfix_index (char type) const
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107 {
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108 return (type == '.');
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109 }
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110
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111 octave_value find (const std::string& nm);
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112
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113 private:
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114
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115 std::string full_name;
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116 std::map<std::string, cdef_class> class_map;
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117 std::map<std::string, octave_value> function_map;
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118 std::map<std::string, cdef_package> package_map;
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119
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120 // The number of registered members in this package (classes, packages).
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121 // This only accounts for the members that back-reference to this package.
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122 octave_idx_type member_count;
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123
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124 typedef std::map<std::string, cdef_class>::iterator class_iterator;
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125 typedef std::map<std::string, cdef_class>::const_iterator class_const_iterator;
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126 typedef std::map<std::string, octave_value>::iterator function_iterator;
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127 typedef std::map<std::string, octave_value>::const_iterator function_const_iterator;
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128 typedef std::map<std::string, cdef_package>::iterator package_iterator;
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129 typedef std::map<std::string, cdef_package>::const_iterator package_const_iterator;
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130
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131 cdef_package_rep (const cdef_package_rep& p)
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132 : cdef_meta_object_rep (p), full_name (p.full_name),
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133 class_map (p.class_map), function_map (p.function_map),
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134 package_map (p.package_map), member_count (p.member_count)
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135 { }
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136
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137 cdef_package wrap (void)
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138 {
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139 m_count++;
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140 return cdef_package (this);
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141 }
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142 };
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143
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144 public:
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145
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146 cdef_package (void) : cdef_meta_object () { }
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147
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148 cdef_package (const std::string& nm)
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149 : cdef_meta_object (new cdef_package_rep ())
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150 {
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151 get_rep ()->set_name (nm);
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152 }
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153
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154 cdef_package (const cdef_package& pack) : cdef_meta_object (pack) { }
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155
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156 cdef_package (const cdef_object& obj)
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157 : cdef_meta_object (obj)
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158 {
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159 // This should never happen...
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160 if (! is_package ())
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161 error ("internal error: invalid assignment from %s to meta.package object",
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162 class_name ().c_str ());
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163 }
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164
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165 cdef_package& operator = (const cdef_package& pack)
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166 {
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167 cdef_object::operator = (pack);
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168
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169 return *this;
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170 }
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171
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172 ~cdef_package (void) = default;
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173
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174 void install_class (const cdef_class& cls, const std::string& nm)
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175 {
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176 get_rep ()->install_class (cls, nm);
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177 }
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178
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179 void install_function (const octave_value& fcn, const std::string& nm)
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180 {
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181 get_rep ()->install_function (fcn, nm);
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182 }
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183
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184 void install_package (const cdef_package& pack, const std::string& nm)
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185 {
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186 get_rep ()->install_package (pack, nm);
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187 }
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188
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189 Cell get_classes (void) const
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190 {
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191 return get_rep ()->get_classes ();
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192 }
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193
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194 Cell get_functions (void) const
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195 {
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196 return get_rep ()->get_functions ();
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197 }
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198
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199 Cell get_packages (void) const
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200 {
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201 return get_rep ()->get_packages ();
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202 }
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203
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204 std::string get_name (void) const { return get_rep ()->get_name (); }
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205
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206 octave_value find (const std::string& nm)
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207 {
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208 return get_rep ()->find (nm);
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209 }
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210
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211 private:
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212
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213 cdef_package_rep * get_rep (void)
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214 {
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215 return dynamic_cast<cdef_package_rep *> (cdef_object::get_rep ());
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216 }
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217
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218 const cdef_package_rep * get_rep (void) const
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219 {
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220 return dynamic_cast<const cdef_package_rep *> (cdef_object::get_rep ());
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221 }
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222
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223 friend void install_classdef (interpreter& interp);
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224 };
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225 }
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226
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227 #endif