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annotate liboctave/util/oct-shlib.h @ 20330:2db2db2df55b

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Automatically convert arrays of java primitives into Octave types (bug #44882) * libinterp/octave-value/ov-java.cc (box): when the result of a java method is a java primitive type, these are converted to octave types automatically. We seem to be handling this correctly for scalars but not for arrays yet. This fixes it on the java -> octave direction.
author Carnë Draug <carandraug@octave.org>
date Mon, 20 Apr 2015 15:01:27 +0100
parents 1f9ed81bd173
children
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1 /*
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2
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3 Copyright (C) 1999-2015 John W. Eaton
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4 Copyright (C) 2009 VZLU Prague
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5
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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6 This file is part of Octave.
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7
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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8 Octave is free software; you can redistribute it and/or modify it
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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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 <http://www.gnu.org/licenses/>.
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21
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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22 */
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23
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24 #if !defined (octave_oct_shlib_h)
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25 #define octave_oct_shlib_h 1
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c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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27 #include <string>
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28 #include <map>
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29
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30 #include "oct-time.h"
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31 #include "oct-refcount.h"
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33 class
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34 OCTAVE_API
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35 octave_shlib
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36 {
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37 public: // FIXME: make this class private?
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38
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39 typedef std::string (*name_mangler) (const std::string&);
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40 typedef void (*close_hook) (const std::string&);
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41
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42 class shlib_rep
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43 {
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44 public:
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45
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46 shlib_rep (void)
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47 : count (1), file (), tm_loaded (time_t ()), fcn_names () { }
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48
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49 protected:
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50
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51 shlib_rep (const std::string& f);
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52
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53 public:
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54
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55 virtual ~shlib_rep (void)
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56 {
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57 instances.erase (file);
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58 }
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59
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60 virtual bool is_open (void) const
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61 { return false; }
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62
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63 virtual void *search (const std::string&, name_mangler = 0)
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64 { return 0; }
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65
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66 bool is_out_of_date (void) const;
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67
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68 // This method will be overridden conditionally.
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69 static shlib_rep *new_instance (const std::string& f);
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71 static shlib_rep *get_instance (const std::string& f, bool fake);
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72
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73 octave_time time_loaded (void) const
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74 { return tm_loaded; }
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75
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76 std::string file_name (void) const
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77 { return file; }
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78
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79 size_t num_fcn_names (void) const { return fcn_names.size (); }
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80
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81 void add_fcn_name (const std::string&);
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82
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83 bool remove_fcn_name (const std::string&);
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84
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85 void do_close_hook (close_hook cl_hook);
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87 public:
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88
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89 octave_refcount<int> count;
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90
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91 protected:
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92
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93 void fake_reload (void);
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94
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95 std::string file;
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96 octave_time tm_loaded;
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97
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98 // Set of hooked function names.
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99 typedef std::map<std::string, size_t>::iterator fcn_names_iterator;
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100 typedef std::map<std::string, size_t>::const_iterator fcn_names_const_iterator;
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101
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102 std::map<std::string, size_t> fcn_names;
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103
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104 static std::map<std::string, shlib_rep *> instances;
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105 };
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106
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107 private:
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108
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109 static shlib_rep nil_rep;
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110
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111 public:
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113 octave_shlib (void) : rep (&nil_rep) { rep->count++; }
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114
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115 octave_shlib (const std::string& f, bool fake = true)
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116 : rep (shlib_rep::get_instance (f, fake)) { }
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117
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118 ~octave_shlib (void)
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119 {
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120 if (--rep->count == 0)
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121 delete rep;
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122 }
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124 octave_shlib (const octave_shlib& sl)
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125 : rep (sl.rep)
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126 {
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127 rep->count++;
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128 }
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130 octave_shlib& operator = (const octave_shlib& sl)
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131 {
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132 if (rep != sl.rep)
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133 {
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134 if (--rep->count == 0)
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135 delete rep;
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136
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137 rep = sl.rep;
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138 rep->count++;
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139 }
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140
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141 return *this;
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142 }
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143
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144 bool operator == (const octave_shlib& sl) const
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145 { return (rep == sl.rep); }
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146
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147 operator bool () const { return rep->is_open (); }
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148
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149 void open (const std::string& f)
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150 { *this = octave_shlib (f); }
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151
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152 void close (close_hook cl_hook = 0)
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153 {
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154 if (cl_hook)
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155 rep->do_close_hook (cl_hook);
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156
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157 *this = octave_shlib ();
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158 }
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159
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160 void *search (const std::string& nm, name_mangler mangler = 0) const
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161 {
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162 void *f = rep->search (nm, mangler);
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163 if (f)
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164 rep->add_fcn_name (nm);
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165
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166 return f;
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167 }
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168
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169 void add (const std::string& name)
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170 { rep->add_fcn_name (name); }
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171
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172 bool remove (const std::string& name)
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173 { return rep->remove_fcn_name (name); }
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174
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175 size_t number_of_functions_loaded (void) const
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176 { return rep->num_fcn_names (); }
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177
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178 bool is_out_of_date (void) const
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179 { return rep->is_out_of_date (); }
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180
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181 std::string file_name (void) const
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182 { return rep->file_name (); }
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183
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184 octave_time time_loaded (void) const
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185 { return rep->time_loaded (); }
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186
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187 private:
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188
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189 shlib_rep *rep;
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190 };
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191
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192 #endif