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annotate libinterp/octave-value/cdef-package.h @ 30503:838e73617671 stable

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cdef classes: Forward declare with visibility flags (bug #59820). * libinterp/octave-value/cdef-fwd.h: Add header with forward declarations of cdef classes. * libinterp/octave-value/module.mk: Add new file to build system. * libinterp/octave-value/cdef-class.h, libinterp/octave-value/cdef-manager.h, libinterp/octave-value/cdef-method.h, libinterp/octave-value/cdef-object.h, libinterp/octave-value/cdef-package.h, libinterp/octave-value/cdef-property.h, libinterp/octave-value/cdef-utils.h: Include forward declaration header where needed. Export classes from library.
author Markus Mützel <markus.muetzel@gmx.de>
date Fri, 17 Dec 2021 19:13:04 +0100
parents 0e0cc2760540
children cd5836f814b8 796f54d4ddbf
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2012-2021 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-fwd.h"
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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 OCTINTERP_API
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47 cdef_package : public cdef_meta_object
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48 {
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49 friend class cdef_class;
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50
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51 private:
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52
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53 class
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54 cdef_package_rep : public cdef_meta_object_rep
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55 {
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56 public:
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57
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58 cdef_package_rep (void) : cdef_meta_object_rep (), m_member_count (0) { }
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59
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60 cdef_package_rep& operator = (const cdef_package_rep&) = delete;
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61
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62 ~cdef_package_rep (void) = default;
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63
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64 cdef_object_rep * copy (void) const { return new cdef_package_rep (*this); }
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65
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66 bool is_package (void) const { return true; }
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67
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68 std::string get_name (void) const { return get("Name").string_value (); }
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69
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70 void set_name (const std::string& nm) { put ("Name", nm); }
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71
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72 OCTINTERP_API void
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73 install_class (const cdef_class& cls, const std::string& nm);
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75 OCTINTERP_API void
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76 install_function (const octave_value& fcn, const std::string& nm);
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77
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78 OCTINTERP_API void
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79 install_package (const cdef_package& pack, const std::string& nm);
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81 OCTINTERP_API Cell get_classes (void) const;
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82
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83 OCTINTERP_API Cell get_functions (void) const;
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84
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85 OCTINTERP_API Cell get_packages (void) const;
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86
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87 octave_idx_type static_count (void) const { return m_member_count; }
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88
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89 void destroy (void)
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90 {
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91 if (m_member_count)
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92 {
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93 m_count++;
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94 cdef_package lock (this);
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95
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96 m_member_count = 0;
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97 m_class_map.clear ();
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98 m_package_map.clear ();
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99 }
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100 else
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101 delete this;
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102 }
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103
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104 OCTINTERP_API octave_value_list
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105 meta_subsref (const std::string& type,
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106 const std::list<octave_value_list>& idx, int nargout);
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107
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108 OCTINTERP_API void meta_release (void);
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109
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110 bool meta_accepts_postfix_index (char type) const
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111 {
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112 return (type == '.');
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113 }
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114
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115 OCTINTERP_API octave_value find (const std::string& nm);
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116
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117 private:
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118
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119 std::string m_full_name;
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120 std::map<std::string, cdef_class> m_class_map;
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121 std::map<std::string, octave_value> m_function_map;
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122 std::map<std::string, cdef_package> m_package_map;
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123
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124 // The number of registered members in this package (classes, packages).
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125 // This only accounts for the members that back-reference to this package.
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126 octave_idx_type m_member_count;
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127
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128 typedef std::map<std::string, cdef_class>::iterator class_iterator;
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129 typedef std::map<std::string, cdef_class>::const_iterator class_const_iterator;
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130 typedef std::map<std::string, octave_value>::iterator function_iterator;
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131 typedef std::map<std::string, octave_value>::const_iterator
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132 function_const_iterator;
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133 typedef std::map<std::string, cdef_package>::iterator package_iterator;
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134 typedef std::map<std::string, cdef_package>::const_iterator
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135 package_const_iterator;
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136
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137 cdef_package_rep (const cdef_package_rep& p)
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138 : cdef_meta_object_rep (p), m_full_name (p.m_full_name),
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139 m_class_map (p.m_class_map), m_function_map (p.m_function_map),
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140 m_package_map (p.m_package_map), m_member_count (p.m_member_count)
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141 { }
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142
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143 cdef_package wrap (void)
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144 {
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145 m_count++;
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146 return cdef_package (this);
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147 }
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148 };
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149
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150 public:
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151
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152 cdef_package (void) : cdef_meta_object () { }
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153
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154 cdef_package (const std::string& nm)
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155 : cdef_meta_object (new cdef_package_rep ())
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156 {
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157 get_rep ()->set_name (nm);
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158 }
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159
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160 cdef_package (const cdef_package& pack) : cdef_meta_object (pack) { }
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161
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162 cdef_package (const cdef_object& obj)
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163 : cdef_meta_object (obj)
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164 {
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165 // This should never happen...
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166 if (! is_package ())
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167 error ("internal error: invalid assignment from %s to meta.package object",
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168 class_name ().c_str ());
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169 }
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170
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171 cdef_package& operator = (const cdef_package& pack)
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172 {
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173 cdef_object::operator = (pack);
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174
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175 return *this;
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176 }
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177
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178 ~cdef_package (void) = default;
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179
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180 void install_class (const cdef_class& cls, const std::string& nm)
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181 {
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182 get_rep ()->install_class (cls, nm);
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183 }
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184
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185 void install_function (const octave_value& fcn, const std::string& nm)
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186 {
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187 get_rep ()->install_function (fcn, nm);
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188 }
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189
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190 void install_package (const cdef_package& pack, const std::string& nm)
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191 {
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192 get_rep ()->install_package (pack, nm);
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193 }
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194
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195 Cell get_classes (void) const
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196 {
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197 return get_rep ()->get_classes ();
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198 }
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199
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200 Cell get_functions (void) const
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201 {
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202 return get_rep ()->get_functions ();
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203 }
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204
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205 Cell get_packages (void) const
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206 {
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207 return get_rep ()->get_packages ();
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208 }
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209
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210 std::string get_name (void) const { return get_rep ()->get_name (); }
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211
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212 octave_value find (const std::string& nm)
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213 {
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214 return get_rep ()->find (nm);
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215 }
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216
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217 private:
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218
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219 cdef_package_rep * get_rep (void)
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220 {
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221 return dynamic_cast<cdef_package_rep *> (cdef_object::get_rep ());
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222 }
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223
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224 const cdef_package_rep * get_rep (void) const
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225 {
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226 return dynamic_cast<const cdef_package_rep *> (cdef_object::get_rep ());
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227 }
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228
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229 friend OCTINTERP_API void install_classdef (interpreter& interp);
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230 };
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231 }
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232
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233 #endif