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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Wed, 02 Jan 2019 16:32:43 -0500
parents 1dd0e16b82e3
children 98f1a964ff33
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1 /*
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2
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3 Copyright (C) 1993-2019 John W. Eaton
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4 Copyright (C) 2009 VZLU Prague
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5
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6 This file is part of Octave.
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7
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8 Octave is free software: you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <https://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if ! defined (octave_fcn_info_h)
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25 #define octave_fcn_info_h 1
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26
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27 #include "octave-config.h"
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28
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29 #include <list>
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30 #include <map>
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31 #include <memory>
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32 #include <string>
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33
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34 #include "ov.h"
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35 #include "ovl.h"
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36
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37 namespace octave
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38 {
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39 class fcn_info
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40 {
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41 public:
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42
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43 typedef std::map<std::string, octave_value>::const_iterator
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44 str_val_const_iterator;
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45 typedef std::map<std::string, octave_value>::iterator str_val_iterator;
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46
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47 private:
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48
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49 class fcn_info_rep
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50 {
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51 public:
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52
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53 fcn_info_rep (const std::string& nm)
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54 : name (nm), package_name (), local_functions (),
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55 private_functions (), class_constructors (), class_methods (),
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56 cmdline_function (), autoload_function (), function_on_path (),
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57 built_in_function ()
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58 {
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59 size_t pos = name.rfind ('.');
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60
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61 if (pos != std::string::npos)
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62 {
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63 package_name = name.substr (0, pos);
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64 name = name.substr (pos+1);
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65 }
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66 }
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67
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68 // No copying!
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69
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70 fcn_info_rep (const fcn_info_rep&) = delete;
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71
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72 fcn_info_rep& operator = (const fcn_info_rep&) = delete;
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73
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74 ~fcn_info_rep (void) = default;
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75
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76 octave_value install_local_function (const std::string& file_name);
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77
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78 octave_value load_private_function (const std::string& dir_name);
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79
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80 octave_value load_class_constructor (void);
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81
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82 octave_value load_class_method (const std::string& dispatch_type);
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83
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84 octave_value find (const octave_value_list& args);
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85
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86 octave_value builtin_find (void);
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87
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88 octave_value find_method (const std::string& dispatch_type);
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89
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90 octave_value find_autoload (void);
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91
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92 octave_value find_package (void);
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93
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94 octave_value find_user_function (void);
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95
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96 bool is_user_function_defined (void) const
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97 {
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98 return function_on_path.is_defined ();
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99 }
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100
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101 octave_value find_function (const octave_value_list& args)
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102 {
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103 return find (args);
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104 }
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105
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106 void install_cmdline_function (const octave_value& f)
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107 {
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108 cmdline_function = f;
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109 }
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110
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111 void install_local_function (const octave_value& f,
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112 const std::string& file_name)
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113 {
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114 local_functions[file_name] = f;
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115 }
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116
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117 void install_user_function (const octave_value& f)
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118 {
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119 function_on_path = f;
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120 }
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121
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122 void install_built_in_function (const octave_value& f)
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123 {
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124 built_in_function = f;
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125 }
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126
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127 void install_built_in_dispatch (const std::string& klass);
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128
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129 template <typename T>
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130 void
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131 clear_map (std::map<T, octave_value>& map, bool force = false)
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132 {
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133 auto p = map.begin ();
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134
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135 while (p != map.end ())
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136 {
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137 if (force || ! p->second.islocked ())
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138 map.erase (p++);
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139 else
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140 p++;
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141 }
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142 }
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143
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144 void clear_autoload_function (bool force = false)
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145 {
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146 if (force || ! autoload_function.islocked ())
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147 autoload_function = octave_value ();
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148 }
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149
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150 // We also clear command line functions here, as these are both
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151 // "user defined"
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152 void clear_user_function (bool force = false)
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153 {
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154 clear_autoload_function (force);
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155
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156 if (force || ! function_on_path.islocked ())
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157 function_on_path = octave_value ();
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158
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159 if (force || ! cmdline_function.islocked ())
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160 cmdline_function = octave_value ();
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161 }
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162
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163 void clear_mex_function (void)
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164 {
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165 if (function_on_path.is_mex_function ())
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166 clear_user_function ();
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167 }
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168
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169 void clear_package (void)
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170 {
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171 package = octave_value ();
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172 }
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173
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174 void clear (bool force = false)
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175 {
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176 clear_map (local_functions, force);
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177 clear_map (private_functions, force);
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178 clear_map (class_constructors, force);
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179 clear_map (class_methods, force);
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180
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181 clear_autoload_function (force);
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182 clear_user_function (force);
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183 clear_package ();
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184 }
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185
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186 octave_value dump (void) const;
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187
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188 std::string full_name (void) const
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189 {
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190 if (package_name.empty ())
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191 return name;
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192 else
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193 return package_name + '.' + name;
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194 }
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195
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196 std::string name;
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197
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198 std::string package_name;
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199
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200 // File name to function object.
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201 std::map<std::string, octave_value> local_functions;
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202
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203 // Directory name to function object.
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204 std::map<std::string, octave_value> private_functions;
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205
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206 // Class name to function object.
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207 std::map<std::string, octave_value> class_constructors;
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208
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209 // Dispatch type to function object.
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210 std::map<std::string, octave_value> class_methods;
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211
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212 octave_value cmdline_function;
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213
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214 octave_value autoload_function;
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215
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216 octave_value function_on_path;
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217
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218 octave_value package;
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219
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220 octave_value built_in_function;
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221
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222 private:
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223
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224 octave_value xfind (const octave_value_list& args);
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225
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226 octave_value x_builtin_find (void);
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227 };
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228
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229 public:
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230
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231 fcn_info (const std::string& nm = "")
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232 : m_rep (new fcn_info_rep (nm)) { }
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233
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234 fcn_info (const fcn_info&) = default;
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235
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236 fcn_info& operator = (const fcn_info&) = default;
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237
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238 ~fcn_info (void) = default;
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239
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240 octave_value find (const octave_value_list& args = octave_value_list ())
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241 {
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242 return m_rep->find (args);
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243 }
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244
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245 octave_value builtin_find (void)
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246 {
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247 return m_rep->builtin_find ();
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248 }
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249
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250 octave_value find_method (const std::string& dispatch_type) const
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251 {
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252 return m_rep->find_method (dispatch_type);
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253 }
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254
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255 octave_value find_built_in_function (void) const
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256 {
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257 return m_rep->built_in_function;
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258 }
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259
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260 octave_value find_cmdline_function (void) const
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261 {
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262 return m_rep->cmdline_function;
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263 }
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264
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265 octave_value find_autoload (void)
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266 {
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267 return m_rep->find_autoload ();
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268 }
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269
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270 octave_value find_user_function (void)
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271 {
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272 return m_rep->find_user_function ();
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273 }
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274
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275 bool is_user_function_defined (void) const
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276 {
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277 return m_rep->is_user_function_defined ();
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278 }
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279
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280 octave_value find_function (const octave_value_list& args
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281 = octave_value_list ())
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282 {
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283 return m_rep->find_function (args);
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284 }
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285
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286 void install_cmdline_function (const octave_value& f)
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287 {
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288 m_rep->install_cmdline_function (f);
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289 }
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290
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291 void install_local_function (const octave_value& f,
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292 const std::string& file_name)
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293 {
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294 m_rep->install_local_function (f, file_name);
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295 }
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296
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297 void install_user_function (const octave_value& f)
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298 {
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299 m_rep->install_user_function (f);
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300 }
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301
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302 void install_built_in_function (const octave_value& f)
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303 {
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304 m_rep->install_built_in_function (f);
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305 }
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306
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307 void install_built_in_dispatch (const std::string& klass)
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308 {
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309 m_rep->install_built_in_dispatch (klass);
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310 }
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311
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312 void clear (bool force = false) { m_rep->clear (force); }
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313
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314 void clear_user_function (bool force = false)
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315 {
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316 m_rep->clear_user_function (force);
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317 }
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318
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319 void clear_autoload_function (bool force = false)
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320 {
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321 m_rep->clear_autoload_function (force);
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322 }
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323
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324 void clear_mex_function (void) { m_rep->clear_mex_function (); }
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325
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326 octave_value dump (void) const { return m_rep->dump (); }
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327
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328 private:
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329
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330 std::shared_ptr<fcn_info_rep> m_rep;
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331 };
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332
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333 extern OCTINTERP_API std::string
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334 get_dispatch_type (const octave_value_list& args);
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335
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336 extern OCTINTERP_API std::string
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337 get_dispatch_type (const octave_value_list& args,
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338 builtin_type_t& builtin_type);
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339
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340 extern octave_value
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341 dump_function_map (const std::map<std::string, octave_value>& fcn_map);
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342 }
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343
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344 #endif