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1 /* |
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2 |
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3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
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4 2007 John W. Eaton |
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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 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 |
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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 |
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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 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include "ov-typeinfo.h" |
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29 |
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30 #include "defun.h" |
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31 #include "error.h" |
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32 #include "oct-obj.h" |
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33 |
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34 const int |
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35 octave_value_typeinfo::init_tab_sz (16); |
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36 |
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37 octave_value_typeinfo * |
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38 octave_value_typeinfo::instance (0); |
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39 |
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40 #include <Array.h> |
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41 #include <Array2.h> |
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42 #include <Array3.h> |
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43 |
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44 #include <Array.cc> |
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45 |
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46 INSTANTIATE_ARRAY (octave_value_typeinfo::unary_op_fcn, ); |
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47 template class Array2<octave_value_typeinfo::unary_op_fcn>; |
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48 |
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49 INSTANTIATE_ARRAY (octave_value_typeinfo::non_const_unary_op_fcn, ); |
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50 template class Array2<octave_value_typeinfo::non_const_unary_op_fcn>; |
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51 |
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52 INSTANTIATE_ARRAY (octave_value_typeinfo::binary_op_fcn, ); |
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53 template class Array2<octave_value_typeinfo::binary_op_fcn>; |
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54 template class Array3<octave_value_typeinfo::binary_op_fcn>; |
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55 |
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56 INSTANTIATE_ARRAY (octave_value_typeinfo::cat_op_fcn, ); |
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57 template class Array2<octave_value_typeinfo::cat_op_fcn>; |
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58 |
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59 INSTANTIATE_ARRAY (octave_value_typeinfo::assign_op_fcn, ); |
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60 template class Array2<octave_value_typeinfo::assign_op_fcn>; |
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61 template class Array3<octave_value_typeinfo::assign_op_fcn>; |
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62 |
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63 INSTANTIATE_ARRAY (octave_value_typeinfo::assignany_op_fcn, ); |
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64 template class Array2<octave_value_typeinfo::assignany_op_fcn>; |
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65 |
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66 INSTANTIATE_ARRAY (octave_base_value::type_conv_fcn, ); |
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67 template class Array2<octave_base_value::type_conv_fcn>; |
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68 |
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69 bool |
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70 octave_value_typeinfo::instance_ok (void) |
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71 { |
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72 bool retval = true; |
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73 if (! instance) |
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74 instance = new octave_value_typeinfo (); |
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75 |
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76 if (! instance) |
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77 { |
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78 ::error ("unable to create value type info object!"); |
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79 |
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80 retval = false; |
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81 } |
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82 |
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83 return retval; |
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84 } |
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85 |
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86 int |
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87 octave_value_typeinfo::register_type (const std::string& t_name, |
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88 const std::string& c_name, |
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89 const octave_value& val) |
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90 { |
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91 return (instance_ok ()) |
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92 ? instance->do_register_type (t_name, c_name, val) : -1; |
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93 } |
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94 |
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95 bool |
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96 octave_value_typeinfo::register_unary_class_op (octave_value::unary_op op, |
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97 octave_value_typeinfo::unary_class_op_fcn f) |
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98 { |
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99 return (instance_ok ()) |
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100 ? instance->do_register_unary_class_op (op, f) : false; |
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101 } |
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102 |
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103 bool |
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104 octave_value_typeinfo::register_unary_op (octave_value::unary_op op, |
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105 int t, octave_value_typeinfo::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_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_non_const_unary_op (octave_value::unary_op op, |
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113 int t, |
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114 octave_value_typeinfo::non_const_unary_op_fcn f) |
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115 { |
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116 return (instance_ok ()) |
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117 ? instance->do_register_non_const_unary_op (op, t, 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_binary_class_op (octave_value::binary_op op, |
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122 octave_value_typeinfo::binary_class_op_fcn f) |
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123 { |
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124 return (instance_ok ()) |
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125 ? instance->do_register_binary_class_op (op, f) : false; |
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126 } |
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127 |
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128 bool |
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129 octave_value_typeinfo::register_binary_op (octave_value::binary_op op, |
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130 int t1, int t2, |
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131 octave_value_typeinfo::binary_op_fcn f) |
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132 { |
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133 return (instance_ok ()) |
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134 ? instance->do_register_binary_op (op, t1, t2, f) : false; |
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135 } |
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136 |
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137 bool |
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138 octave_value_typeinfo::register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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139 { |
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140 return (instance_ok ()) |
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141 ? instance->do_register_cat_op (t1, t2, f) : false; |
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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_assign_op (octave_value::assign_op op, |
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146 int t_lhs, int t_rhs, |
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147 octave_value_typeinfo::assign_op_fcn f) |
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148 { |
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149 return (instance_ok ()) |
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150 ? instance->do_register_assign_op (op, t_lhs, t_rhs, f) : -1; |
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151 } |
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152 |
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153 bool |
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154 octave_value_typeinfo::register_assignany_op (octave_value::assign_op op, |
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155 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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156 { |
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157 return (instance_ok ()) |
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158 ? instance->do_register_assignany_op (op, t_lhs, f) : -1; |
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159 } |
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160 |
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161 bool |
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162 octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs, |
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163 int t_result) |
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164 { |
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165 return (instance_ok ()) |
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166 ? instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result) : false; |
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167 } |
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168 |
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169 bool |
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170 octave_value_typeinfo::register_type_conv_op (int t, int t_result, |
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171 octave_base_value::type_conv_fcn f) |
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172 { |
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173 return (instance_ok ()) |
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174 ? instance->do_register_type_conv_op (t, t_result, f) : false; |
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175 } |
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176 |
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177 bool |
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178 octave_value_typeinfo::register_widening_op (int t, int t_result, |
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179 octave_base_value::type_conv_fcn f) |
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180 { |
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181 return (instance_ok ()) |
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182 ? instance->do_register_widening_op (t, t_result, f) : false; |
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183 } |
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184 |
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185 // FIXME -- we should also store all class names and provide a |
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186 // way to list them (calling class with nargin == 0?). |
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187 |
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188 int |
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189 octave_value_typeinfo::do_register_type (const std::string& t_name, |
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190 const std::string& c_name, |
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191 const octave_value& val) |
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192 { |
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193 int i = 0; |
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194 |
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195 for (i = 0; i < num_types; i++) |
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196 if (t_name == types (i)) |
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197 return i; |
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198 |
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199 int len = types.length (); |
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200 |
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201 if (i == len) |
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202 { |
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203 len *= 2; |
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204 |
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205 types.resize (len, std::string ()); |
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206 |
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207 vals.resize (len, octave_value ()); |
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208 |
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209 unary_ops.resize (static_cast<int> (octave_value::num_unary_ops), |
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210 len, static_cast<octave_value_typeinfo::unary_op_fcn> (0)); |
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211 |
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212 non_const_unary_ops.resize |
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213 (static_cast<int> (octave_value::num_unary_ops), |
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214 len, static_cast<octave_value_typeinfo::non_const_unary_op_fcn> (0)); |
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215 |
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216 binary_ops.resize (static_cast<int> (octave_value::num_binary_ops), |
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217 len, len, static_cast<octave_value_typeinfo::binary_op_fcn> (0)); |
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218 |
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219 cat_ops.resize (len, len, static_cast<octave_value_typeinfo::cat_op_fcn> (0)); |
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220 |
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221 assign_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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222 len, len, static_cast<octave_value_typeinfo::assign_op_fcn> (0)); |
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223 |
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224 assignany_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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225 len, static_cast<octave_value_typeinfo::assignany_op_fcn> (0)); |
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226 |
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227 pref_assign_conv.resize (len, len, -1); |
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228 |
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229 type_conv_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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230 |
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231 widening_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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232 } |
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233 |
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234 types (i) = t_name; |
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235 |
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236 vals (i) = val; |
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237 |
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238 num_types++; |
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239 |
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240 return i; |
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241 } |
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242 |
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243 bool |
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244 octave_value_typeinfo::do_register_unary_class_op (octave_value::unary_op op, |
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245 octave_value_typeinfo::unary_class_op_fcn f) |
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246 { |
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247 if (lookup_unary_class_op (op)) |
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248 { |
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249 std::string op_name = octave_value::unary_op_as_string (op); |
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250 |
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251 warning ("duplicate unary operator `%s' for class dispatch", |
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252 op_name.c_str ()); |
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253 } |
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254 |
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255 unary_class_ops.checkelem (static_cast<int> (op)) = f; |
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256 |
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257 return false; |
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258 } |
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259 |
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260 bool |
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261 octave_value_typeinfo::do_register_unary_op (octave_value::unary_op op, |
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262 int t, octave_value_typeinfo::unary_op_fcn f) |
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263 { |
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264 if (lookup_unary_op (op, t)) |
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265 { |
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266 std::string op_name = octave_value::unary_op_as_string (op); |
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267 std::string type_name = types(t); |
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268 |
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269 warning ("duplicate unary operator `%s' for type `%s'", |
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270 op_name.c_str (), type_name.c_str ()); |
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271 } |
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272 |
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273 unary_ops.checkelem (static_cast<int> (op), t) = f; |
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274 |
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275 return false; |
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276 } |
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277 |
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278 bool |
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279 octave_value_typeinfo::do_register_non_const_unary_op |
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280 (octave_value::unary_op op, int t, octave_value_typeinfo::non_const_unary_op_fcn f) |
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281 { |
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282 if (lookup_non_const_unary_op (op, t)) |
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283 { |
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284 std::string op_name = octave_value::unary_op_as_string (op); |
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285 std::string type_name = types(t); |
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286 |
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287 warning ("duplicate unary operator `%s' for type `%s'", |
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288 op_name.c_str (), type_name.c_str ()); |
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289 } |
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290 |
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291 non_const_unary_ops.checkelem (static_cast<int> (op), t) = f; |
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292 |
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293 return false; |
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294 } |
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295 |
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296 bool |
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297 octave_value_typeinfo::do_register_binary_class_op (octave_value::binary_op op, |
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298 octave_value_typeinfo::binary_class_op_fcn f) |
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299 { |
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300 if (lookup_binary_class_op (op)) |
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301 { |
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302 std::string op_name = octave_value::binary_op_as_string (op); |
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303 |
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304 warning ("duplicate binary operator `%s' for class dispatch", |
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305 op_name.c_str ()); |
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306 } |
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307 |
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308 binary_class_ops.checkelem (static_cast<int> (op)) = f; |
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309 |
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310 return false; |
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311 } |
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312 |
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313 bool |
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314 octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op, |
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315 int t1, int t2, |
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316 octave_value_typeinfo::binary_op_fcn f) |
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317 { |
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318 if (lookup_binary_op (op, t1, t2)) |
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319 { |
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320 std::string op_name = octave_value::binary_op_as_string (op); |
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321 std::string t1_name = types(t1); |
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322 std::string t2_name = types(t2); |
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323 |
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324 warning ("duplicate binary operator `%s' for types `%s' and `%s'", |
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325 op_name.c_str (), t1_name.c_str (), t1_name.c_str ()); |
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326 } |
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327 |
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328 binary_ops.checkelem (static_cast<int> (op), t1, t2) = f; |
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329 |
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330 return false; |
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331 } |
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332 |
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333 bool |
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334 octave_value_typeinfo::do_register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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335 { |
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336 if (lookup_cat_op (t1, t2)) |
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337 { |
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338 std::string t1_name = types(t1); |
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339 std::string t2_name = types(t2); |
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340 |
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341 warning ("duplicate concatenation operator for types `%s' and `%s'", |
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342 t1_name.c_str (), t1_name.c_str ()); |
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343 } |
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344 |
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345 cat_ops.checkelem (t1, t2) = f; |
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346 |
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347 return false; |
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348 } |
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349 |
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350 bool |
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351 octave_value_typeinfo::do_register_assign_op (octave_value::assign_op op, |
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352 int t_lhs, int t_rhs, |
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353 octave_value_typeinfo::assign_op_fcn f) |
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354 { |
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355 if (lookup_assign_op (op, t_lhs, t_rhs)) |
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356 { |
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357 std::string op_name = octave_value::assign_op_as_string (op); |
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358 std::string t_lhs_name = types(t_lhs); |
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359 std::string t_rhs_name = types(t_rhs); |
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360 |
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361 warning ("duplicate assignment operator `%s' for types `%s' and `%s'", |
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362 op_name.c_str (), t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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363 } |
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364 |
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365 assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs) = f; |
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366 |
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367 return false; |
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368 } |
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369 |
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370 bool |
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371 octave_value_typeinfo::do_register_assignany_op (octave_value::assign_op op, |
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372 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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373 { |
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374 if (lookup_assignany_op (op, t_lhs)) |
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375 { |
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376 std::string op_name = octave_value::assign_op_as_string (op); |
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377 std::string t_lhs_name = types(t_lhs); |
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378 |
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379 warning ("duplicate assignment operator `%s' for types `%s'", |
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380 op_name.c_str (), t_lhs_name.c_str ()); |
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381 } |
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382 |
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383 assignany_ops.checkelem (static_cast<int> (op), t_lhs) = f; |
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384 |
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385 return false; |
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386 } |
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387 |
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388 bool |
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389 octave_value_typeinfo::do_register_pref_assign_conv (int t_lhs, int t_rhs, |
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390 int t_result) |
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391 { |
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4508
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392 if (lookup_pref_assign_conv (t_lhs, t_rhs) >= 0) |
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393 { |
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394 std::string t_lhs_name = types(t_lhs); |
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395 std::string t_rhs_name = types(t_rhs); |
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396 |
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397 warning ("overriding assignment conversion for types `%s' and `%s'", |
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398 t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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399 } |
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400 |
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2376
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401 pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result; |
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402 |
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403 return false; |
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404 } |
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405 |
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406 bool |
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4901
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407 octave_value_typeinfo::do_register_type_conv_op |
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5759
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408 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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4901
|
409 { |
|
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410 if (lookup_type_conv_op (t, t_result)) |
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411 { |
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412 std::string t_name = types(t); |
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413 std::string t_result_name = types(t_result); |
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414 |
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415 warning ("overriding type conversion op for `%s' to `%s'", |
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416 t_name.c_str (), t_result_name.c_str ()); |
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417 } |
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418 |
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419 type_conv_ops.checkelem (t, t_result) = f; |
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420 |
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421 return false; |
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422 } |
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423 |
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424 bool |
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2376
|
425 octave_value_typeinfo::do_register_widening_op |
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5759
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426 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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2376
|
427 { |
|
4508
|
428 if (lookup_widening_op (t, t_result)) |
|
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429 { |
|
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430 std::string t_name = types(t); |
|
|
431 std::string t_result_name = types(t_result); |
|
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432 |
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433 warning ("overriding widening op for `%s' to `%s'", |
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434 t_name.c_str (), t_result_name.c_str ()); |
|
|
435 } |
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436 |
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2376
|
437 widening_ops.checkelem (t, t_result) = f; |
|
|
438 |
|
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439 return false; |
|
|
440 } |
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441 |
|
4640
|
442 octave_value |
|
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443 octave_value_typeinfo::do_lookup_type (const std::string& nm) |
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444 { |
|
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445 octave_value retval; |
|
|
446 |
|
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447 for (int i = 0; i < num_types; i++) |
|
|
448 { |
|
|
449 if (nm == types(i)) |
|
|
450 { |
|
|
451 retval = vals(i); |
|
4687
|
452 retval.make_unique (); |
|
4640
|
453 break; |
|
|
454 } |
|
|
455 } |
|
|
456 |
|
|
457 return retval; |
|
|
458 } |
|
|
459 |
|
7336
|
460 octave_value_typeinfo::unary_class_op_fcn |
|
|
461 octave_value_typeinfo::do_lookup_unary_class_op (octave_value::unary_op op) |
|
|
462 { |
|
|
463 return unary_class_ops.checkelem (static_cast<int> (op)); |
|
|
464 } |
|
|
465 |
|
5759
|
466 octave_value_typeinfo::unary_op_fcn |
|
3203
|
467 octave_value_typeinfo::do_lookup_unary_op (octave_value::unary_op op, int t) |
|
|
468 { |
|
|
469 return unary_ops.checkelem (static_cast<int> (op), t); |
|
|
470 } |
|
|
471 |
|
5759
|
472 octave_value_typeinfo::non_const_unary_op_fcn |
|
3203
|
473 octave_value_typeinfo::do_lookup_non_const_unary_op |
|
|
474 (octave_value::unary_op op, int t) |
|
|
475 { |
|
|
476 return non_const_unary_ops.checkelem (static_cast<int> (op), t); |
|
|
477 } |
|
|
478 |
|
7336
|
479 octave_value_typeinfo::binary_class_op_fcn |
|
|
480 octave_value_typeinfo::do_lookup_binary_class_op (octave_value::binary_op op) |
|
|
481 { |
|
|
482 return binary_class_ops.checkelem (static_cast<int> (op)); |
|
|
483 } |
|
|
484 |
|
5759
|
485 octave_value_typeinfo::binary_op_fcn |
|
2376
|
486 octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op, |
|
|
487 int t1, int t2) |
|
|
488 { |
|
2800
|
489 return binary_ops.checkelem (static_cast<int> (op), t1, t2); |
|
2376
|
490 } |
|
|
491 |
|
5759
|
492 octave_value_typeinfo::cat_op_fcn |
|
4915
|
493 octave_value_typeinfo::do_lookup_cat_op (int t1, int t2) |
|
|
494 { |
|
|
495 return cat_ops.checkelem (t1, t2); |
|
|
496 } |
|
|
497 |
|
5759
|
498 octave_value_typeinfo::assign_op_fcn |
|
2882
|
499 octave_value_typeinfo::do_lookup_assign_op (octave_value::assign_op op, |
|
|
500 int t_lhs, int t_rhs) |
|
2376
|
501 { |
|
2882
|
502 return assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs); |
|
2376
|
503 } |
|
|
504 |
|
5759
|
505 octave_value_typeinfo::assignany_op_fcn |
|
3196
|
506 octave_value_typeinfo::do_lookup_assignany_op (octave_value::assign_op op, |
|
|
507 int t_lhs) |
|
|
508 { |
|
|
509 return assignany_ops.checkelem (static_cast<int> (op), t_lhs); |
|
|
510 } |
|
|
511 |
|
2376
|
512 int |
|
|
513 octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs) |
|
|
514 { |
|
|
515 return pref_assign_conv.checkelem (t_lhs, t_rhs); |
|
|
516 } |
|
|
517 |
|
5759
|
518 octave_base_value::type_conv_fcn |
|
4901
|
519 octave_value_typeinfo::do_lookup_type_conv_op (int t, int t_result) |
|
|
520 { |
|
|
521 return type_conv_ops.checkelem (t, t_result); |
|
|
522 } |
|
|
523 |
|
5759
|
524 octave_base_value::type_conv_fcn |
|
2376
|
525 octave_value_typeinfo::do_lookup_widening_op (int t, int t_result) |
|
|
526 { |
|
|
527 return widening_ops.checkelem (t, t_result); |
|
|
528 } |
|
|
529 |
|
|
530 string_vector |
|
|
531 octave_value_typeinfo::do_installed_type_names (void) |
|
|
532 { |
|
|
533 string_vector retval (num_types); |
|
|
534 |
|
|
535 for (int i = 0;i < num_types; i++) |
|
|
536 retval (i) = types (i); |
|
|
537 |
|
|
538 return retval; |
|
|
539 } |
|
|
540 |
|
2457
|
541 DEFUN (typeinfo, args, , |
|
3445
|
542 "-*- texinfo -*-\n\ |
|
|
543 @deftypefn {Built-in Function} {} typeinfo (@var{expr})\n\ |
|
2822
|
544 \n\ |
|
3445
|
545 Return the type of the expression @var{expr}, as a string. If\n\ |
|
|
546 @var{EXPR} is omitted, return an array of strings containing all the\n\ |
|
|
547 currently installed data types.\n\ |
|
|
548 @end deftypefn") |
|
2376
|
549 { |
|
|
550 octave_value retval; |
|
|
551 |
|
|
552 int nargin = args.length (); |
|
|
553 |
|
|
554 if (nargin == 0) |
|
|
555 retval = octave_value_typeinfo::installed_type_names (); |
|
2822
|
556 else if (nargin == 1) |
|
|
557 retval = args(0).type_name (); |
|
2376
|
558 else |
|
5823
|
559 print_usage (); |
|
2376
|
560 |
|
|
561 return retval; |
|
|
562 } |
|
|
563 |
|
|
564 /* |
|
|
565 ;;; Local Variables: *** |
|
|
566 ;;; mode: C++ *** |
|
|
567 ;;; End: *** |
|
|
568 */ |
