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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_op (octave_value::unary_op op, |
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97 int t, octave_value_typeinfo::unary_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_op (op, t, 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_non_const_unary_op (octave_value::unary_op op, |
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105 int t, |
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106 octave_value_typeinfo::non_const_unary_op_fcn f) |
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107 { |
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108 return (instance_ok ()) |
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109 ? instance->do_register_non_const_unary_op (op, t, f) : false; |
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110 } |
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111 |
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112 bool |
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113 octave_value_typeinfo::register_binary_op (octave_value::binary_op op, |
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114 int t1, int t2, |
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115 octave_value_typeinfo::binary_op_fcn f) |
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116 { |
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117 return (instance_ok ()) |
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118 ? instance->do_register_binary_op (op, t1, t2, f) : false; |
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119 } |
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120 |
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121 bool |
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122 octave_value_typeinfo::register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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123 { |
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124 return (instance_ok ()) |
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125 ? instance->do_register_cat_op (t1, t2, 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_assign_op (octave_value::assign_op op, |
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130 int t_lhs, int t_rhs, |
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131 octave_value_typeinfo::assign_op_fcn f) |
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132 { |
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133 return (instance_ok ()) |
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134 ? instance->do_register_assign_op (op, t_lhs, t_rhs, f) : -1; |
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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_assignany_op (octave_value::assign_op op, |
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139 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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140 { |
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141 return (instance_ok ()) |
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142 ? instance->do_register_assignany_op (op, t_lhs, f) : -1; |
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143 } |
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144 |
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145 bool |
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146 octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs, |
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147 int t_result) |
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148 { |
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149 return (instance_ok ()) |
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150 ? instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result) : false; |
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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_type_conv_op (int t, int t_result, |
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155 octave_base_value::type_conv_fcn f) |
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156 { |
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157 return (instance_ok ()) |
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158 ? instance->do_register_type_conv_op (t, t_result, f) : false; |
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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_widening_op (int t, int t_result, |
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163 octave_base_value::type_conv_fcn f) |
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164 { |
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165 return (instance_ok ()) |
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166 ? instance->do_register_widening_op (t, t_result, f) : false; |
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167 } |
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168 |
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169 // FIXME -- we should also store all class names and provide a |
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170 // way to list them (calling class with nargin == 0?). |
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171 |
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172 int |
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173 octave_value_typeinfo::do_register_type (const std::string& t_name, |
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174 const std::string& c_name, |
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175 const octave_value& val) |
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176 { |
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177 int i = 0; |
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178 |
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179 for (i = 0; i < num_types; i++) |
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180 if (t_name == types (i)) |
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181 return i; |
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182 |
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183 int len = types.length (); |
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184 |
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185 if (i == len) |
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186 { |
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187 len *= 2; |
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188 |
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189 types.resize (len, std::string ()); |
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190 |
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191 vals.resize (len, octave_value ()); |
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192 |
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193 unary_ops.resize (static_cast<int> (octave_value::num_unary_ops), |
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194 len, static_cast<octave_value_typeinfo::unary_op_fcn> (0)); |
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195 |
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196 non_const_unary_ops.resize |
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197 (static_cast<int> (octave_value::num_unary_ops), |
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198 len, static_cast<octave_value_typeinfo::non_const_unary_op_fcn> (0)); |
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199 |
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200 binary_ops.resize (static_cast<int> (octave_value::num_binary_ops), |
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201 len, len, static_cast<octave_value_typeinfo::binary_op_fcn> (0)); |
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202 |
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203 cat_ops.resize (len, len, static_cast<octave_value_typeinfo::cat_op_fcn> (0)); |
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204 |
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205 assign_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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206 len, len, static_cast<octave_value_typeinfo::assign_op_fcn> (0)); |
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207 |
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208 assignany_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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209 len, static_cast<octave_value_typeinfo::assignany_op_fcn> (0)); |
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210 |
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211 pref_assign_conv.resize (len, len, -1); |
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212 |
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213 type_conv_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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214 |
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215 widening_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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216 } |
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217 |
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218 types (i) = t_name; |
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219 |
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220 vals (i) = val; |
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221 |
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222 num_types++; |
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223 |
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224 return i; |
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225 } |
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226 |
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227 bool |
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228 octave_value_typeinfo::do_register_unary_op (octave_value::unary_op op, |
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229 int t, octave_value_typeinfo::unary_op_fcn f) |
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230 { |
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231 if (lookup_unary_op (op, t)) |
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232 { |
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233 std::string op_name = octave_value::unary_op_as_string (op); |
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234 std::string type_name = types(t); |
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235 |
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236 warning ("duplicate unary operator `%s' for type `%s'", |
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237 op_name.c_str (), type_name.c_str ()); |
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238 } |
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239 |
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240 unary_ops.checkelem (static_cast<int> (op), t) = f; |
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241 |
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242 return false; |
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243 } |
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244 |
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245 bool |
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246 octave_value_typeinfo::do_register_non_const_unary_op |
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247 (octave_value::unary_op op, int t, octave_value_typeinfo::non_const_unary_op_fcn f) |
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248 { |
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249 if (lookup_non_const_unary_op (op, t)) |
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250 { |
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251 std::string op_name = octave_value::unary_op_as_string (op); |
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252 std::string type_name = types(t); |
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253 |
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254 warning ("duplicate unary operator `%s' for type `%s'", |
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255 op_name.c_str (), type_name.c_str ()); |
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256 } |
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257 |
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258 non_const_unary_ops.checkelem (static_cast<int> (op), t) = f; |
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259 |
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260 return false; |
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261 } |
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262 |
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263 bool |
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264 octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op, |
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265 int t1, int t2, |
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266 octave_value_typeinfo::binary_op_fcn f) |
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267 { |
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268 if (lookup_binary_op (op, t1, t2)) |
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269 { |
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270 std::string op_name = octave_value::binary_op_as_string (op); |
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271 std::string t1_name = types(t1); |
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272 std::string t2_name = types(t2); |
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273 |
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274 warning ("duplicate binary operator `%s' for types `%s' and `%s'", |
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275 op_name.c_str (), t1_name.c_str (), t1_name.c_str ()); |
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276 } |
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277 |
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278 binary_ops.checkelem (static_cast<int> (op), t1, t2) = f; |
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279 |
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280 return false; |
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281 } |
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282 |
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283 bool |
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284 octave_value_typeinfo::do_register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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285 { |
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286 if (lookup_cat_op (t1, t2)) |
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287 { |
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288 std::string t1_name = types(t1); |
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289 std::string t2_name = types(t2); |
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290 |
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291 warning ("duplicate concatenation operator for types `%s' and `%s'", |
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292 t1_name.c_str (), t1_name.c_str ()); |
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293 } |
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294 |
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295 cat_ops.checkelem (t1, t2) = f; |
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296 |
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297 return false; |
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298 } |
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299 |
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300 bool |
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301 octave_value_typeinfo::do_register_assign_op (octave_value::assign_op op, |
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302 int t_lhs, int t_rhs, |
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303 octave_value_typeinfo::assign_op_fcn f) |
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304 { |
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305 if (lookup_assign_op (op, t_lhs, t_rhs)) |
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306 { |
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307 std::string op_name = octave_value::assign_op_as_string (op); |
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308 std::string t_lhs_name = types(t_lhs); |
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309 std::string t_rhs_name = types(t_rhs); |
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310 |
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311 warning ("duplicate assignment operator `%s' for types `%s' and `%s'", |
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312 op_name.c_str (), t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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313 } |
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314 |
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315 assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs) = f; |
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316 |
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317 return false; |
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318 } |
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319 |
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320 bool |
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321 octave_value_typeinfo::do_register_assignany_op (octave_value::assign_op op, |
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322 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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323 { |
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324 if (lookup_assignany_op (op, t_lhs)) |
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325 { |
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326 std::string op_name = octave_value::assign_op_as_string (op); |
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327 std::string t_lhs_name = types(t_lhs); |
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328 |
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329 warning ("duplicate assignment operator `%s' for types `%s'", |
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330 op_name.c_str (), t_lhs_name.c_str ()); |
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331 } |
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332 |
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333 assignany_ops.checkelem (static_cast<int> (op), t_lhs) = f; |
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334 |
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335 return false; |
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336 } |
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337 |
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338 bool |
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339 octave_value_typeinfo::do_register_pref_assign_conv (int t_lhs, int t_rhs, |
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340 int t_result) |
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341 { |
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342 if (lookup_pref_assign_conv (t_lhs, t_rhs) >= 0) |
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343 { |
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344 std::string t_lhs_name = types(t_lhs); |
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345 std::string t_rhs_name = types(t_rhs); |
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346 |
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347 warning ("overriding assignment conversion for types `%s' and `%s'", |
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348 t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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349 } |
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350 |
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351 pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result; |
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352 |
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353 return false; |
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354 } |
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355 |
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356 bool |
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357 octave_value_typeinfo::do_register_type_conv_op |
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358 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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359 { |
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360 if (lookup_type_conv_op (t, t_result)) |
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361 { |
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362 std::string t_name = types(t); |
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363 std::string t_result_name = types(t_result); |
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364 |
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365 warning ("overriding type conversion op for `%s' to `%s'", |
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366 t_name.c_str (), t_result_name.c_str ()); |
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367 } |
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368 |
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369 type_conv_ops.checkelem (t, t_result) = f; |
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370 |
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371 return false; |
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372 } |
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373 |
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374 bool |
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375 octave_value_typeinfo::do_register_widening_op |
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376 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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377 { |
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378 if (lookup_widening_op (t, t_result)) |
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379 { |
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380 std::string t_name = types(t); |
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381 std::string t_result_name = types(t_result); |
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382 |
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383 warning ("overriding widening op for `%s' to `%s'", |
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384 t_name.c_str (), t_result_name.c_str ()); |
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385 } |
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386 |
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387 widening_ops.checkelem (t, t_result) = f; |
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388 |
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389 return false; |
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390 } |
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391 |
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4640
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392 octave_value |
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393 octave_value_typeinfo::do_lookup_type (const std::string& nm) |
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394 { |
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395 octave_value retval; |
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396 |
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397 for (int i = 0; i < num_types; i++) |
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398 { |
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399 if (nm == types(i)) |
|
|
400 { |
|
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401 retval = vals(i); |
|
4687
|
402 retval.make_unique (); |
|
4640
|
403 break; |
|
|
404 } |
|
|
405 } |
|
|
406 |
|
|
407 return retval; |
|
|
408 } |
|
|
409 |
|
5759
|
410 octave_value_typeinfo::unary_op_fcn |
|
3203
|
411 octave_value_typeinfo::do_lookup_unary_op (octave_value::unary_op op, int t) |
|
|
412 { |
|
|
413 return unary_ops.checkelem (static_cast<int> (op), t); |
|
|
414 } |
|
|
415 |
|
5759
|
416 octave_value_typeinfo::non_const_unary_op_fcn |
|
3203
|
417 octave_value_typeinfo::do_lookup_non_const_unary_op |
|
|
418 (octave_value::unary_op op, int t) |
|
|
419 { |
|
|
420 return non_const_unary_ops.checkelem (static_cast<int> (op), t); |
|
|
421 } |
|
|
422 |
|
5759
|
423 octave_value_typeinfo::binary_op_fcn |
|
2376
|
424 octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op, |
|
|
425 int t1, int t2) |
|
|
426 { |
|
2800
|
427 return binary_ops.checkelem (static_cast<int> (op), t1, t2); |
|
2376
|
428 } |
|
|
429 |
|
5759
|
430 octave_value_typeinfo::cat_op_fcn |
|
4915
|
431 octave_value_typeinfo::do_lookup_cat_op (int t1, int t2) |
|
|
432 { |
|
|
433 return cat_ops.checkelem (t1, t2); |
|
|
434 } |
|
|
435 |
|
5759
|
436 octave_value_typeinfo::assign_op_fcn |
|
2882
|
437 octave_value_typeinfo::do_lookup_assign_op (octave_value::assign_op op, |
|
|
438 int t_lhs, int t_rhs) |
|
2376
|
439 { |
|
2882
|
440 return assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs); |
|
2376
|
441 } |
|
|
442 |
|
5759
|
443 octave_value_typeinfo::assignany_op_fcn |
|
3196
|
444 octave_value_typeinfo::do_lookup_assignany_op (octave_value::assign_op op, |
|
|
445 int t_lhs) |
|
|
446 { |
|
|
447 return assignany_ops.checkelem (static_cast<int> (op), t_lhs); |
|
|
448 } |
|
|
449 |
|
2376
|
450 int |
|
|
451 octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs) |
|
|
452 { |
|
|
453 return pref_assign_conv.checkelem (t_lhs, t_rhs); |
|
|
454 } |
|
|
455 |
|
5759
|
456 octave_base_value::type_conv_fcn |
|
4901
|
457 octave_value_typeinfo::do_lookup_type_conv_op (int t, int t_result) |
|
|
458 { |
|
|
459 return type_conv_ops.checkelem (t, t_result); |
|
|
460 } |
|
|
461 |
|
5759
|
462 octave_base_value::type_conv_fcn |
|
2376
|
463 octave_value_typeinfo::do_lookup_widening_op (int t, int t_result) |
|
|
464 { |
|
|
465 return widening_ops.checkelem (t, t_result); |
|
|
466 } |
|
|
467 |
|
|
468 string_vector |
|
|
469 octave_value_typeinfo::do_installed_type_names (void) |
|
|
470 { |
|
|
471 string_vector retval (num_types); |
|
|
472 |
|
|
473 for (int i = 0;i < num_types; i++) |
|
|
474 retval (i) = types (i); |
|
|
475 |
|
|
476 return retval; |
|
|
477 } |
|
|
478 |
|
2457
|
479 DEFUN (typeinfo, args, , |
|
3445
|
480 "-*- texinfo -*-\n\ |
|
|
481 @deftypefn {Built-in Function} {} typeinfo (@var{expr})\n\ |
|
2822
|
482 \n\ |
|
3445
|
483 Return the type of the expression @var{expr}, as a string. If\n\ |
|
|
484 @var{EXPR} is omitted, return an array of strings containing all the\n\ |
|
|
485 currently installed data types.\n\ |
|
|
486 @end deftypefn") |
|
2376
|
487 { |
|
|
488 octave_value retval; |
|
|
489 |
|
|
490 int nargin = args.length (); |
|
|
491 |
|
|
492 if (nargin == 0) |
|
|
493 retval = octave_value_typeinfo::installed_type_names (); |
|
2822
|
494 else if (nargin == 1) |
|
|
495 retval = args(0).type_name (); |
|
2376
|
496 else |
|
5823
|
497 print_usage (); |
|
2376
|
498 |
|
|
499 return retval; |
|
|
500 } |
|
|
501 |
|
4612
|
502 DEFUN (class, args, , |
|
|
503 "-*- texinfo -*-\n\ |
|
|
504 @deftypefn {Built-in Function} {} class (@var{expr})\n\ |
|
|
505 \n\ |
|
|
506 Return the class of the expression @var{expr}, as a string.\n\ |
|
|
507 @end deftypefn") |
|
|
508 { |
|
|
509 octave_value retval; |
|
|
510 |
|
|
511 int nargin = args.length (); |
|
|
512 |
|
|
513 if (nargin == 1) |
|
|
514 retval = args(0).class_name (); |
|
|
515 else |
|
5823
|
516 print_usage (); |
|
4612
|
517 |
|
|
518 return retval; |
|
|
519 } |
|
|
520 |
|
2376
|
521 /* |
|
|
522 ;;; Local Variables: *** |
|
|
523 ;;; mode: C++ *** |
|
|
524 ;;; End: *** |
|
|
525 */ |
