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annotate libinterp/octave-value/ov-java.h @ 29358:0a5b15007766 stable

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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 2021.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 09:52:15 -0500
parents bd51beb6205e
children 939bef0b66e0
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2007-2021 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_ov_java_h)
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27 #define octave_ov_java_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 "ov.h"
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32 #include "ovl.h"
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33
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34 namespace octave
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35 {
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36 class type_info;
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37 }
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38
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39 typedef void *voidptr;
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40
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41 class OCTINTERP_API octave_java : public octave_base_value
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42 {
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43 public:
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44
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45 octave_java (void);
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46
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47 octave_java (const voidptr& obj, void *cls = nullptr);
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48
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49 octave_java (const octave_java& jobj)
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50 : octave_base_value (jobj), java_object (nullptr), java_class (nullptr)
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51 {
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52 init (jobj.java_object, jobj.java_class);
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53 }
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54
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55 ~octave_java (void) { release (); }
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56
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57 void * to_java (void) const { return java_object; }
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58 void * to_class (void) const { return java_class; }
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59
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60 std::string java_class_name (void) const { return java_classname; }
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61
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62 octave_base_value * clone (void) const { return new octave_java (*this); }
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63 octave_base_value * empty_clone (void) const { return new octave_java (); }
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64
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65 bool is_instance_of (const std::string&) const;
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66
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67 bool is_defined (void) const { return true; }
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68
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69 bool is_constant (void) const { return true; }
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70
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71 bool isstruct (void) const { return false; }
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72
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73 bool isjava (void) const { return true; }
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74
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75 string_vector map_keys (void) const;
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76
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77 dim_vector dims (void) const;
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78
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79 void print (std::ostream& os, bool pr_as_read_syntax = false);
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80
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81 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
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82
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83 bool save_ascii (std::ostream& os);
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84
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85 bool load_ascii (std::istream& is);
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86
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87 bool save_binary (std::ostream& os, bool save_as_floats);
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88
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89 bool load_binary (std::istream& is, bool swap,
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90 octave::mach_info::float_format fmt);
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91
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92 bool save_hdf5 (octave_hdf5_id loc_id, const char *name,
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93 bool save_as_floats);
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94
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95 bool load_hdf5 (octave_hdf5_id loc_id, const char *name);
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96
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97 // We don't need to override all three forms of subsref. The using
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98 // declaration will avoid warnings about partially-overloaded virtual
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99 // functions.
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100 using octave_base_value::subsref;
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101
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102 octave_value_list
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103 subsref (const std::string& type,
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104 const std::list<octave_value_list>& idx, int nargout);
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105
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106 octave_value
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107 subsref (const std::string& type, const std::list<octave_value_list>& idx)
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108 {
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109 octave_value_list retval = subsref (type, idx, 1);
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110 return (retval.length () > 0 ? retval(0) : octave_value ());
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111 }
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112
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113 octave_value subsasgn (const std::string& type,
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114 const std::list<octave_value_list>& idx,
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115 const octave_value& rhs);
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116
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117 octave_value convert_to_str_internal (bool pad, bool force, char type) const;
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118
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119 bool is_java_string (void) const;
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120
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121 octave_value do_javaMethod (void *jni_env, const std::string& name,
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122 const octave_value_list& args);
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123
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124 octave_value
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125 do_javaMethod (const std::string& name, const octave_value_list& args);
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126
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127 static octave_value
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128 do_javaMethod (void *jni_env, const std::string& class_name,
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129 const std::string& name, const octave_value_list& args);
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130
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131 static octave_value
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132 do_javaMethod (const std::string& class_name, const std::string& name,
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133 const octave_value_list& args);
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134
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135 static octave_value
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136 do_javaObject (void *jni_env, const std::string& name,
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137 const octave_value_list& args);
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138
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139 static octave_value
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140 do_javaObject (const std::string& name, const octave_value_list& args);
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141
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142 octave_value do_java_get (void *jni_env, const std::string& name);
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143
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144 octave_value do_java_get (const std::string& name);
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145
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146 static octave_value
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147 do_java_get (void *jni_env, const std::string& class_name,
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148 const std::string& name);
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149
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150 static octave_value
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151 do_java_get (const std::string& class_name, const std::string& name);
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152
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153 octave_value do_java_set (void *jni_env, const std::string& name,
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154 const octave_value& val);
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155
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156 octave_value do_java_set (const std::string& name, const octave_value& val);
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157
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158 static octave_value
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159 do_java_set (void *jni_env, const std::string& class_name,
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160 const std::string& name, const octave_value& val);
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161
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162 static octave_value
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163 do_java_set (const std::string& class_name, const std::string& name,
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164 const octave_value& val);
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165
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166 private:
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167
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168 void init (void *jobj, void *jcls);
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169
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170 void release (void);
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171
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172 private:
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173
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174 void *java_object;
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175
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176 void *java_class;
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177
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178 std::string java_classname;
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179
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180 public:
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181
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182 int type_id (void) const { return t_id; }
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183 std::string type_name (void) const { return t_name; }
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184 std::string class_name (void) const { return java_classname; }
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185
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186 static int static_type_id (void) { return t_id; }
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187 static std::string static_type_name (void) { return t_name; }
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188 static std::string static_class_name (void) { return "<unknown>"; }
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189 static void register_type (octave::type_info&);
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190
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191 private:
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192
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193 static int t_id;
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194 static const std::string t_name;
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195 };
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196
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197 extern OCTINTERP_API bool Vjava_matrix_autoconversion;
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198
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199 extern OCTINTERP_API bool Vjava_unsigned_autoconversion;
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200
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201 extern OCTINTERP_API bool Vdebug_java;
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202
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203 #endif