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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include "ov-typeinfo.h" |
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28 |
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29 #include "defun.h" |
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30 #include "error.h" |
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31 #include "oct-obj.h" |
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32 |
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33 const int |
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34 octave_value_typeinfo::init_tab_sz (16); |
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35 |
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36 octave_value_typeinfo * |
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37 octave_value_typeinfo::instance (0); |
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38 |
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39 #include <Array.h> |
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40 #include <Array2.h> |
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41 #include <Array3.h> |
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42 |
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43 #include <Array.cc> |
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44 |
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45 INSTANTIATE_ARRAY (octave_value_typeinfo::unary_op_fcn, ); |
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46 template class Array2<octave_value_typeinfo::unary_op_fcn>; |
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47 |
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48 INSTANTIATE_ARRAY (octave_value_typeinfo::non_const_unary_op_fcn, ); |
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49 template class Array2<octave_value_typeinfo::non_const_unary_op_fcn>; |
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50 |
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51 INSTANTIATE_ARRAY (octave_value_typeinfo::binary_op_fcn, ); |
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52 template class Array2<octave_value_typeinfo::binary_op_fcn>; |
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53 template class Array3<octave_value_typeinfo::binary_op_fcn>; |
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54 |
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55 INSTANTIATE_ARRAY (octave_value_typeinfo::cat_op_fcn, ); |
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56 template class Array2<octave_value_typeinfo::cat_op_fcn>; |
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57 |
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58 INSTANTIATE_ARRAY (octave_value_typeinfo::assign_op_fcn, ); |
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59 template class Array2<octave_value_typeinfo::assign_op_fcn>; |
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60 template class Array3<octave_value_typeinfo::assign_op_fcn>; |
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61 |
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62 INSTANTIATE_ARRAY (octave_value_typeinfo::assignany_op_fcn, ); |
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63 template class Array2<octave_value_typeinfo::assignany_op_fcn>; |
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64 |
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65 INSTANTIATE_ARRAY (octave_base_value::type_conv_fcn, ); |
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66 template class Array2<octave_base_value::type_conv_fcn>; |
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67 |
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68 bool |
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69 octave_value_typeinfo::instance_ok (void) |
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70 { |
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71 bool retval = true; |
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72 if (! instance) |
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73 instance = new octave_value_typeinfo (); |
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74 |
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75 if (! instance) |
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76 { |
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77 ::error ("unable to create value type info object!"); |
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78 |
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79 retval = false; |
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80 } |
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81 |
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82 return retval; |
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83 } |
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84 |
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85 int |
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86 octave_value_typeinfo::register_type (const std::string& t_name, |
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87 const std::string& c_name, |
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88 const octave_value& val) |
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89 { |
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90 return (instance_ok ()) |
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91 ? instance->do_register_type (t_name, c_name, val) : -1; |
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92 } |
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93 |
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94 bool |
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95 octave_value_typeinfo::register_unary_op (octave_value::unary_op op, |
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96 int t, octave_value_typeinfo::unary_op_fcn f) |
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97 { |
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98 return (instance_ok ()) |
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99 ? instance->do_register_unary_op (op, t, f) : false; |
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100 } |
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101 |
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102 bool |
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103 octave_value_typeinfo::register_non_const_unary_op (octave_value::unary_op op, |
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104 int t, |
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105 octave_value_typeinfo::non_const_unary_op_fcn f) |
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106 { |
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107 return (instance_ok ()) |
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108 ? instance->do_register_non_const_unary_op (op, t, f) : false; |
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109 } |
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110 |
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111 bool |
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112 octave_value_typeinfo::register_binary_op (octave_value::binary_op op, |
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113 int t1, int t2, |
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114 octave_value_typeinfo::binary_op_fcn f) |
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115 { |
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116 return (instance_ok ()) |
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117 ? instance->do_register_binary_op (op, t1, t2, f) : false; |
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118 } |
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119 |
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120 bool |
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121 octave_value_typeinfo::register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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122 { |
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123 return (instance_ok ()) |
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124 ? instance->do_register_cat_op (t1, t2, f) : false; |
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125 } |
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126 |
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127 bool |
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128 octave_value_typeinfo::register_assign_op (octave_value::assign_op op, |
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129 int t_lhs, int t_rhs, |
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130 octave_value_typeinfo::assign_op_fcn f) |
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131 { |
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132 return (instance_ok ()) |
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133 ? instance->do_register_assign_op (op, t_lhs, t_rhs, f) : -1; |
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134 } |
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135 |
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136 bool |
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137 octave_value_typeinfo::register_assignany_op (octave_value::assign_op op, |
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138 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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139 { |
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140 return (instance_ok ()) |
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141 ? instance->do_register_assignany_op (op, t_lhs, f) : -1; |
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142 } |
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143 |
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144 bool |
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145 octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs, |
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146 int t_result) |
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147 { |
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148 return (instance_ok ()) |
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149 ? instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result) : false; |
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150 } |
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151 |
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152 bool |
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153 octave_value_typeinfo::register_type_conv_op (int t, int t_result, |
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154 octave_base_value::type_conv_fcn f) |
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155 { |
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156 return (instance_ok ()) |
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157 ? instance->do_register_type_conv_op (t, t_result, f) : false; |
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158 } |
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159 |
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160 bool |
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161 octave_value_typeinfo::register_widening_op (int t, int t_result, |
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162 octave_base_value::type_conv_fcn f) |
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163 { |
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164 return (instance_ok ()) |
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165 ? instance->do_register_widening_op (t, t_result, f) : false; |
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166 } |
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167 |
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168 // FIXME -- we should also store all class names and provide a |
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169 // way to list them (calling class with nargin == 0?). |
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170 |
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171 int |
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172 octave_value_typeinfo::do_register_type (const std::string& t_name, |
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173 const std::string& c_name, |
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174 const octave_value& val) |
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175 { |
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176 int i = 0; |
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177 |
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178 for (i = 0; i < num_types; i++) |
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179 if (t_name == types (i)) |
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180 return i; |
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181 |
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182 int len = types.length (); |
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183 |
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184 if (i == len) |
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185 { |
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186 len *= 2; |
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187 |
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188 types.resize (len, std::string ()); |
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189 |
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190 vals.resize (len, octave_value ()); |
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191 |
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192 unary_ops.resize (static_cast<int> (octave_value::num_unary_ops), |
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193 len, static_cast<octave_value_typeinfo::unary_op_fcn> (0)); |
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194 |
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195 non_const_unary_ops.resize |
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196 (static_cast<int> (octave_value::num_unary_ops), |
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197 len, static_cast<octave_value_typeinfo::non_const_unary_op_fcn> (0)); |
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198 |
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199 binary_ops.resize (static_cast<int> (octave_value::num_binary_ops), |
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200 len, len, static_cast<octave_value_typeinfo::binary_op_fcn> (0)); |
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201 |
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202 cat_ops.resize (len, len, static_cast<octave_value_typeinfo::cat_op_fcn> (0)); |
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203 |
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204 assign_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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205 len, len, static_cast<octave_value_typeinfo::assign_op_fcn> (0)); |
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206 |
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207 assignany_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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208 len, static_cast<octave_value_typeinfo::assignany_op_fcn> (0)); |
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209 |
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210 pref_assign_conv.resize (len, len, -1); |
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211 |
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212 type_conv_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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213 |
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214 widening_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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215 } |
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216 |
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217 types (i) = t_name; |
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218 |
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219 vals (i) = val; |
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220 |
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221 num_types++; |
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222 |
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223 return i; |
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224 } |
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225 |
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226 bool |
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227 octave_value_typeinfo::do_register_unary_op (octave_value::unary_op op, |
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228 int t, octave_value_typeinfo::unary_op_fcn f) |
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229 { |
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230 if (lookup_unary_op (op, t)) |
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231 { |
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232 std::string op_name = octave_value::unary_op_as_string (op); |
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233 std::string type_name = types(t); |
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234 |
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235 warning ("duplicate unary operator `%s' for type `%s'", |
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236 op_name.c_str (), type_name.c_str ()); |
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237 } |
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238 |
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239 unary_ops.checkelem (static_cast<int> (op), t) = f; |
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240 |
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241 return false; |
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242 } |
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243 |
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244 bool |
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245 octave_value_typeinfo::do_register_non_const_unary_op |
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246 (octave_value::unary_op op, int t, octave_value_typeinfo::non_const_unary_op_fcn f) |
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247 { |
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248 if (lookup_non_const_unary_op (op, t)) |
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249 { |
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250 std::string op_name = octave_value::unary_op_as_string (op); |
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251 std::string type_name = types(t); |
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252 |
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253 warning ("duplicate unary operator `%s' for type `%s'", |
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254 op_name.c_str (), type_name.c_str ()); |
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255 } |
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256 |
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257 non_const_unary_ops.checkelem (static_cast<int> (op), t) = f; |
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258 |
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259 return false; |
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260 } |
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261 |
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262 bool |
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263 octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op, |
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264 int t1, int t2, |
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265 octave_value_typeinfo::binary_op_fcn f) |
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266 { |
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267 if (lookup_binary_op (op, t1, t2)) |
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268 { |
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269 std::string op_name = octave_value::binary_op_as_string (op); |
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270 std::string t1_name = types(t1); |
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271 std::string t2_name = types(t2); |
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272 |
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273 warning ("duplicate binary operator `%s' for types `%s' and `%s'", |
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274 op_name.c_str (), t1_name.c_str (), t1_name.c_str ()); |
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275 } |
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276 |
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277 binary_ops.checkelem (static_cast<int> (op), t1, t2) = f; |
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278 |
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279 return false; |
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280 } |
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281 |
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282 bool |
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283 octave_value_typeinfo::do_register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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284 { |
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285 if (lookup_cat_op (t1, t2)) |
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286 { |
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287 std::string t1_name = types(t1); |
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288 std::string t2_name = types(t2); |
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289 |
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290 warning ("duplicate concatenation operator for types `%s' and `%s'", |
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291 t1_name.c_str (), t1_name.c_str ()); |
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292 } |
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293 |
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294 cat_ops.checkelem (t1, t2) = f; |
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295 |
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296 return false; |
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297 } |
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298 |
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299 bool |
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300 octave_value_typeinfo::do_register_assign_op (octave_value::assign_op op, |
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301 int t_lhs, int t_rhs, |
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302 octave_value_typeinfo::assign_op_fcn f) |
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303 { |
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304 if (lookup_assign_op (op, t_lhs, t_rhs)) |
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305 { |
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306 std::string op_name = octave_value::assign_op_as_string (op); |
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307 std::string t_lhs_name = types(t_lhs); |
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308 std::string t_rhs_name = types(t_rhs); |
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309 |
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310 warning ("duplicate assignment operator `%s' for types `%s' and `%s'", |
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311 op_name.c_str (), t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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312 } |
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313 |
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314 assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs) = f; |
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315 |
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316 return false; |
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317 } |
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318 |
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319 bool |
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320 octave_value_typeinfo::do_register_assignany_op (octave_value::assign_op op, |
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321 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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322 { |
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323 if (lookup_assignany_op (op, t_lhs)) |
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324 { |
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325 std::string op_name = octave_value::assign_op_as_string (op); |
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326 std::string t_lhs_name = types(t_lhs); |
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327 |
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328 warning ("duplicate assignment operator `%s' for types `%s'", |
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329 op_name.c_str (), t_lhs_name.c_str ()); |
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330 } |
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331 |
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332 assignany_ops.checkelem (static_cast<int> (op), t_lhs) = f; |
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333 |
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334 return false; |
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335 } |
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336 |
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337 bool |
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338 octave_value_typeinfo::do_register_pref_assign_conv (int t_lhs, int t_rhs, |
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339 int t_result) |
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340 { |
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341 if (lookup_pref_assign_conv (t_lhs, t_rhs) >= 0) |
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342 { |
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343 std::string t_lhs_name = types(t_lhs); |
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344 std::string t_rhs_name = types(t_rhs); |
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345 |
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346 warning ("overriding assignment conversion for types `%s' and `%s'", |
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347 t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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348 } |
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349 |
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350 pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result; |
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351 |
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352 return false; |
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353 } |
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354 |
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355 bool |
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356 octave_value_typeinfo::do_register_type_conv_op |
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357 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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358 { |
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359 if (lookup_type_conv_op (t, t_result)) |
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360 { |
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361 std::string t_name = types(t); |
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362 std::string t_result_name = types(t_result); |
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363 |
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364 warning ("overriding type conversion op for `%s' to `%s'", |
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365 t_name.c_str (), t_result_name.c_str ()); |
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366 } |
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367 |
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368 type_conv_ops.checkelem (t, t_result) = f; |
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369 |
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370 return false; |
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371 } |
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372 |
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373 bool |
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374 octave_value_typeinfo::do_register_widening_op |
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375 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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376 { |
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377 if (lookup_widening_op (t, t_result)) |
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378 { |
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379 std::string t_name = types(t); |
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380 std::string t_result_name = types(t_result); |
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381 |
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382 warning ("overriding widening op for `%s' to `%s'", |
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383 t_name.c_str (), t_result_name.c_str ()); |
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384 } |
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385 |
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386 widening_ops.checkelem (t, t_result) = f; |
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387 |
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388 return false; |
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389 } |
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390 |
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4640
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391 octave_value |
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392 octave_value_typeinfo::do_lookup_type (const std::string& nm) |
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393 { |
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394 octave_value retval; |
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395 |
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396 for (int i = 0; i < num_types; i++) |
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397 { |
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398 if (nm == types(i)) |
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399 { |
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400 retval = vals(i); |
|
4687
|
401 retval.make_unique (); |
|
4640
|
402 break; |
|
|
403 } |
|
|
404 } |
|
|
405 |
|
|
406 return retval; |
|
|
407 } |
|
|
408 |
|
5759
|
409 octave_value_typeinfo::unary_op_fcn |
|
3203
|
410 octave_value_typeinfo::do_lookup_unary_op (octave_value::unary_op op, int t) |
|
|
411 { |
|
|
412 return unary_ops.checkelem (static_cast<int> (op), t); |
|
|
413 } |
|
|
414 |
|
5759
|
415 octave_value_typeinfo::non_const_unary_op_fcn |
|
3203
|
416 octave_value_typeinfo::do_lookup_non_const_unary_op |
|
|
417 (octave_value::unary_op op, int t) |
|
|
418 { |
|
|
419 return non_const_unary_ops.checkelem (static_cast<int> (op), t); |
|
|
420 } |
|
|
421 |
|
5759
|
422 octave_value_typeinfo::binary_op_fcn |
|
2376
|
423 octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op, |
|
|
424 int t1, int t2) |
|
|
425 { |
|
2800
|
426 return binary_ops.checkelem (static_cast<int> (op), t1, t2); |
|
2376
|
427 } |
|
|
428 |
|
5759
|
429 octave_value_typeinfo::cat_op_fcn |
|
4915
|
430 octave_value_typeinfo::do_lookup_cat_op (int t1, int t2) |
|
|
431 { |
|
|
432 return cat_ops.checkelem (t1, t2); |
|
|
433 } |
|
|
434 |
|
5759
|
435 octave_value_typeinfo::assign_op_fcn |
|
2882
|
436 octave_value_typeinfo::do_lookup_assign_op (octave_value::assign_op op, |
|
|
437 int t_lhs, int t_rhs) |
|
2376
|
438 { |
|
2882
|
439 return assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs); |
|
2376
|
440 } |
|
|
441 |
|
5759
|
442 octave_value_typeinfo::assignany_op_fcn |
|
3196
|
443 octave_value_typeinfo::do_lookup_assignany_op (octave_value::assign_op op, |
|
|
444 int t_lhs) |
|
|
445 { |
|
|
446 return assignany_ops.checkelem (static_cast<int> (op), t_lhs); |
|
|
447 } |
|
|
448 |
|
2376
|
449 int |
|
|
450 octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs) |
|
|
451 { |
|
|
452 return pref_assign_conv.checkelem (t_lhs, t_rhs); |
|
|
453 } |
|
|
454 |
|
5759
|
455 octave_base_value::type_conv_fcn |
|
4901
|
456 octave_value_typeinfo::do_lookup_type_conv_op (int t, int t_result) |
|
|
457 { |
|
|
458 return type_conv_ops.checkelem (t, t_result); |
|
|
459 } |
|
|
460 |
|
5759
|
461 octave_base_value::type_conv_fcn |
|
2376
|
462 octave_value_typeinfo::do_lookup_widening_op (int t, int t_result) |
|
|
463 { |
|
|
464 return widening_ops.checkelem (t, t_result); |
|
|
465 } |
|
|
466 |
|
|
467 string_vector |
|
|
468 octave_value_typeinfo::do_installed_type_names (void) |
|
|
469 { |
|
|
470 string_vector retval (num_types); |
|
|
471 |
|
|
472 for (int i = 0;i < num_types; i++) |
|
|
473 retval (i) = types (i); |
|
|
474 |
|
|
475 return retval; |
|
|
476 } |
|
|
477 |
|
2457
|
478 DEFUN (typeinfo, args, , |
|
3445
|
479 "-*- texinfo -*-\n\ |
|
|
480 @deftypefn {Built-in Function} {} typeinfo (@var{expr})\n\ |
|
2822
|
481 \n\ |
|
3445
|
482 Return the type of the expression @var{expr}, as a string. If\n\ |
|
|
483 @var{EXPR} is omitted, return an array of strings containing all the\n\ |
|
|
484 currently installed data types.\n\ |
|
|
485 @end deftypefn") |
|
2376
|
486 { |
|
|
487 octave_value retval; |
|
|
488 |
|
|
489 int nargin = args.length (); |
|
|
490 |
|
|
491 if (nargin == 0) |
|
|
492 retval = octave_value_typeinfo::installed_type_names (); |
|
2822
|
493 else if (nargin == 1) |
|
|
494 retval = args(0).type_name (); |
|
2376
|
495 else |
|
5823
|
496 print_usage (); |
|
2376
|
497 |
|
|
498 return retval; |
|
|
499 } |
|
|
500 |
|
4612
|
501 DEFUN (class, args, , |
|
|
502 "-*- texinfo -*-\n\ |
|
|
503 @deftypefn {Built-in Function} {} class (@var{expr})\n\ |
|
|
504 \n\ |
|
|
505 Return the class of the expression @var{expr}, as a string.\n\ |
|
|
506 @end deftypefn") |
|
|
507 { |
|
|
508 octave_value retval; |
|
|
509 |
|
|
510 int nargin = args.length (); |
|
|
511 |
|
|
512 if (nargin == 1) |
|
|
513 retval = args(0).class_name (); |
|
|
514 else |
|
5823
|
515 print_usage (); |
|
4612
|
516 |
|
|
517 return retval; |
|
|
518 } |
|
|
519 |
|
2376
|
520 /* |
|
|
521 ;;; Local Variables: *** |
|
|
522 ;;; mode: C++ *** |
|
|
523 ;;; End: *** |
|
|
524 */ |
