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annotate libinterp/corefcn/fcn-info.h @ 28437:8f3aedc5ab4f stable

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split search for private functions into separate function * fcn-info.h, fcn-info.cc (fcn_info::fcn_info_rep::find_private_function): New function extracted from find_scoped_function. (fcn_info::fcn_info_rep::find_scoped_function): Use it. (fcn_info::find_private_function): New function. * symtab.h, symtab.cc (symbol_table::find_private_function): New function.
author John W. Eaton <jwe@octave.org>
date Tue, 09 Jun 2020 16:48:17 -0400
parents 22e90bdcf47f
children 0a5b15007766
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1993-2020 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_fcn_info_h)
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27 #define octave_fcn_info_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 <list>
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32 #include <map>
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33 #include <memory>
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34 #include <string>
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35
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36 #include "ov.h"
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37 #include "ovl.h"
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38 #include "symscope.h"
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39
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40 namespace octave
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41 {
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42 class fcn_info
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43 {
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44 public:
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45
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46 typedef std::map<std::string, octave_value>::const_iterator
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47 str_val_const_iterator;
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48 typedef std::map<std::string, octave_value>::iterator str_val_iterator;
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49
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50 private:
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51
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52 class fcn_info_rep
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53 {
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54 public:
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55
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56 fcn_info_rep (const std::string& nm)
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57 : name (nm), package_name (), local_functions (),
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58 private_functions (), class_constructors (), class_methods (),
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59 cmdline_function (), autoload_function (), function_on_path (),
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60 built_in_function ()
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61 {
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62 size_t pos = name.rfind ('.');
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63
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64 if (pos != std::string::npos)
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65 {
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66 package_name = name.substr (0, pos);
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67 name = name.substr (pos+1);
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68 }
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69 }
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70
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71 // No copying!
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72
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73 fcn_info_rep (const fcn_info_rep&) = delete;
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74
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75 fcn_info_rep& operator = (const fcn_info_rep&) = delete;
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76
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77 ~fcn_info_rep (void) = default;
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78
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79 octave_value install_local_function (const std::string& file_name);
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80
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81 octave_value load_private_function (const std::string& dir_name);
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82
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83 octave_value load_class_constructor (void);
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84
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85 octave_value load_class_method (const std::string& dispatch_type);
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86
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87 octave_value find (const symbol_scope& search_scope,
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88 const octave_value_list& args);
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89
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90 octave_value builtin_find (const symbol_scope& search_scope);
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91
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92 octave_value find_scoped_function (const symbol_scope& search_scope);
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93
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94 octave_value find_private_function (const std::string& dir_name);
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95
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96 octave_value find_method (const std::string& dispatch_type);
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97
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98 octave_value find_method (const octave_value_list& args);
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99
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100 octave_value find_autoload (void);
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101
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102 octave_value find_package (void);
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103
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104 octave_value find_user_function (void);
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105
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106 bool is_user_function_defined (void) const
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107 {
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108 return function_on_path.is_defined ();
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109 }
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110
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111 octave_value find_function (const symbol_scope& search_scope,
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112 const octave_value_list& args)
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113 {
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114 return find (search_scope, args);
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115 }
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116
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117 void install_cmdline_function (const octave_value& f)
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118 {
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119 cmdline_function = f;
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120 }
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121
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122 void install_local_function (const octave_value& f,
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123 const std::string& file_name)
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124 {
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125 local_functions[file_name] = f;
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126 }
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127
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128 void install_user_function (const octave_value& f)
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129 {
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130 function_on_path = f;
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131 }
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132
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133 void install_built_in_function (const octave_value& f)
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134 {
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135 built_in_function = f;
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136 }
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137
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138 void install_built_in_dispatch (const std::string& klass);
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139
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140 template <typename T>
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141 void
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142 clear_map (std::map<T, octave_value>& map, bool force = false)
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143 {
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144 auto p = map.begin ();
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145
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146 while (p != map.end ())
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147 {
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148 if (force || ! p->second.islocked ())
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149 map.erase (p++);
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150 else
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151 p++;
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152 }
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153 }
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154
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155 void clear_autoload_function (bool force = false)
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156 {
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157 if (force || ! autoload_function.islocked ())
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158 autoload_function = octave_value ();
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159 }
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160
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161 // We also clear command line functions here, as these are both
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162 // "user defined"
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163 void clear_user_function (bool force = false)
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164 {
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165 clear_autoload_function (force);
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166
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167 if (force || ! function_on_path.islocked ())
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168 function_on_path = octave_value ();
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169
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170 if (force || ! cmdline_function.islocked ())
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171 cmdline_function = octave_value ();
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172 }
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173
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174 void clear_mex_function (void)
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175 {
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176 if (function_on_path.is_mex_function ())
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177 clear_user_function ();
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178 }
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179
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180 void clear_package (void)
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181 {
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182 package = octave_value ();
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183 }
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184
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185 void clear (bool force = false)
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186 {
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187 clear_map (local_functions, force);
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188 clear_map (private_functions, force);
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189 clear_map (class_constructors, force);
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190 clear_map (class_methods, force);
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191
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192 clear_autoload_function (force);
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193 clear_user_function (force);
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194 clear_package ();
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195 }
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196
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197 octave_value dump (void) const;
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198
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199 std::string full_name (void) const
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200 {
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201 if (package_name.empty ())
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202 return name;
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203 else
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204 return package_name + '.' + name;
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205 }
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206
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207 std::string name;
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208
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209 std::string package_name;
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210
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211 // File name to function object.
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212 std::map<std::string, octave_value> local_functions;
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213
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214 // Directory name to function object.
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215 std::map<std::string, octave_value> private_functions;
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216
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217 // Class name to function object.
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218 std::map<std::string, octave_value> class_constructors;
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219
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220 // Dispatch type to function object.
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221 std::map<std::string, octave_value> class_methods;
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222
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223 octave_value cmdline_function;
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224
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225 octave_value autoload_function;
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226
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227 octave_value function_on_path;
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228
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229 octave_value package;
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230
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231 octave_value built_in_function;
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232
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233 private:
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234
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235 octave_value xfind (const symbol_scope& search_scope,
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236 const octave_value_list& args);
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237
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238 octave_value x_builtin_find (const symbol_scope& search_scope);
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239 };
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240
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241 public:
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242
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243 fcn_info (const std::string& nm = "")
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244 : m_rep (new fcn_info_rep (nm)) { }
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245
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246 fcn_info (const fcn_info&) = default;
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247
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248 fcn_info& operator = (const fcn_info&) = default;
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249
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250 ~fcn_info (void) = default;
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251
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252 octave_value find (const symbol_scope& search_scope,
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253 const octave_value_list& args = octave_value_list ())
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254 {
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255 return m_rep->find (search_scope, args);
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256 }
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257
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258 octave_value
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259 builtin_find (const symbol_scope& search_scope)
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260 {
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261 return m_rep->builtin_find (search_scope);
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262 }
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263
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264 octave_value find_scoped_function (const symbol_scope& search_scope) const
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265 {
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266 return m_rep->find_scoped_function (search_scope);
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267 }
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268
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269 octave_value find_private_function (const std::string& dir_name) const
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270 {
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271 return m_rep->find_private_function (dir_name);
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272 }
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273
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274 octave_value find_method (const std::string& dispatch_type) const
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275 {
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276 return m_rep->find_method (dispatch_type);
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277 }
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278
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279 octave_value find_built_in_function (void) const
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280 {
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281 return m_rep->built_in_function;
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282 }
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283
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284 octave_value find_cmdline_function (void) const
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285 {
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286 return m_rep->cmdline_function;
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287 }
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288
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289 octave_value find_autoload (void)
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290 {
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291 return m_rep->find_autoload ();
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292 }
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293
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294 // FIXME: find_function_on_path might be a better name?
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295 octave_value find_user_function (void)
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296 {
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297 return m_rep->find_user_function ();
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298 }
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299
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300 bool is_user_function_defined (void) const
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301 {
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302 return m_rep->is_user_function_defined ();
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303 }
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304
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305 octave_value
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306 find_function (const symbol_scope& search_scope,
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307 const octave_value_list& args = octave_value_list ())
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308 {
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309 return m_rep->find_function (search_scope, args);
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310 }
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311
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312 void install_cmdline_function (const octave_value& f)
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313 {
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314 m_rep->install_cmdline_function (f);
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315 }
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316
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317 void install_local_function (const octave_value& f,
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318 const std::string& file_name)
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319 {
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320 m_rep->install_local_function (f, file_name);
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321 }
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322
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323 void install_user_function (const octave_value& f)
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324 {
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325 m_rep->install_user_function (f);
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326 }
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327
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328 void install_built_in_function (const octave_value& f)
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329 {
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330 m_rep->install_built_in_function (f);
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331 }
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332
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333 void install_built_in_dispatch (const std::string& klass)
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334 {
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335 m_rep->install_built_in_dispatch (klass);
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336 }
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337
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338 void clear (bool force = false) { m_rep->clear (force); }
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339
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340 void clear_user_function (bool force = false)
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341 {
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342 m_rep->clear_user_function (force);
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343 }
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344
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345 void clear_autoload_function (bool force = false)
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346 {
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347 m_rep->clear_autoload_function (force);
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348 }
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349
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350 void clear_mex_function (void) { m_rep->clear_mex_function (); }
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351
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352 octave_value dump (void) const { return m_rep->dump (); }
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353
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354 private:
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355
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356 std::shared_ptr<fcn_info_rep> m_rep;
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357 };
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358
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359 extern OCTINTERP_API std::string
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360 get_dispatch_type (const octave_value_list& args);
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361
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362 extern OCTINTERP_API std::string
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363 get_dispatch_type (const octave_value_list& args,
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364 builtin_type_t& builtin_type);
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365
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366 extern octave_value
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367 dump_function_map (const std::map<std::string, octave_value>& fcn_map);
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368 }
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369
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370 #endif