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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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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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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2479
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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 #undef OCTAVE_API |
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47 #define OCTAVE_API |
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48 |
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49 INSTANTIATE_ARRAY (octave_value_typeinfo::unary_op_fcn); |
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50 template class Array2<octave_value_typeinfo::unary_op_fcn>; |
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51 |
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52 INSTANTIATE_ARRAY (octave_value_typeinfo::non_const_unary_op_fcn); |
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53 template class Array2<octave_value_typeinfo::non_const_unary_op_fcn>; |
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54 |
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55 INSTANTIATE_ARRAY (octave_value_typeinfo::binary_op_fcn); |
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56 template class Array2<octave_value_typeinfo::binary_op_fcn>; |
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57 template class Array3<octave_value_typeinfo::binary_op_fcn>; |
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58 |
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59 INSTANTIATE_ARRAY (octave_value_typeinfo::cat_op_fcn); |
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60 template class Array2<octave_value_typeinfo::cat_op_fcn>; |
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61 |
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62 INSTANTIATE_ARRAY (octave_value_typeinfo::assign_op_fcn); |
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63 template class Array2<octave_value_typeinfo::assign_op_fcn>; |
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64 template class Array3<octave_value_typeinfo::assign_op_fcn>; |
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65 |
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66 INSTANTIATE_ARRAY (octave_value_typeinfo::assignany_op_fcn); |
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67 template class Array2<octave_value_typeinfo::assignany_op_fcn>; |
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68 |
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69 INSTANTIATE_ARRAY (octave_base_value::type_conv_fcn); |
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70 template class Array2<octave_base_value::type_conv_fcn>; |
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71 |
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72 bool |
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73 octave_value_typeinfo::instance_ok (void) |
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74 { |
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75 bool retval = true; |
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76 if (! instance) |
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77 instance = new octave_value_typeinfo (); |
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78 |
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79 if (! instance) |
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80 { |
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81 ::error ("unable to create value type info object!"); |
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82 |
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83 retval = false; |
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84 } |
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85 |
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86 return retval; |
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87 } |
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88 |
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89 int |
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90 octave_value_typeinfo::register_type (const std::string& t_name, |
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91 const std::string& c_name, |
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92 const octave_value& val) |
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93 { |
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94 return (instance_ok ()) |
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95 ? instance->do_register_type (t_name, c_name, val) : -1; |
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96 } |
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97 |
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98 bool |
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99 octave_value_typeinfo::register_unary_op (octave_value::unary_op op, |
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100 int t, octave_value_typeinfo::unary_op_fcn f) |
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101 { |
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102 return (instance_ok ()) |
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103 ? instance->do_register_unary_op (op, t, f) : false; |
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104 } |
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105 |
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106 bool |
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107 octave_value_typeinfo::register_non_const_unary_op (octave_value::unary_op op, |
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108 int t, |
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109 octave_value_typeinfo::non_const_unary_op_fcn f) |
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110 { |
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111 return (instance_ok ()) |
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112 ? instance->do_register_non_const_unary_op (op, t, f) : false; |
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113 } |
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114 |
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115 bool |
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116 octave_value_typeinfo::register_binary_op (octave_value::binary_op op, |
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117 int t1, int t2, |
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118 octave_value_typeinfo::binary_op_fcn f) |
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119 { |
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120 return (instance_ok ()) |
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121 ? instance->do_register_binary_op (op, t1, t2, f) : false; |
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122 } |
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123 |
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124 bool |
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125 octave_value_typeinfo::register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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126 { |
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127 return (instance_ok ()) |
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128 ? instance->do_register_cat_op (t1, t2, f) : false; |
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129 } |
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130 |
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131 bool |
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132 octave_value_typeinfo::register_assign_op (octave_value::assign_op op, |
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133 int t_lhs, int t_rhs, |
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134 octave_value_typeinfo::assign_op_fcn f) |
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135 { |
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136 return (instance_ok ()) |
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137 ? instance->do_register_assign_op (op, t_lhs, t_rhs, f) : -1; |
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138 } |
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139 |
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140 bool |
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141 octave_value_typeinfo::register_assignany_op (octave_value::assign_op op, |
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142 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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143 { |
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144 return (instance_ok ()) |
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145 ? instance->do_register_assignany_op (op, t_lhs, f) : -1; |
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146 } |
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147 |
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148 bool |
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149 octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs, |
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150 int t_result) |
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151 { |
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152 return (instance_ok ()) |
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153 ? instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result) : false; |
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154 } |
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155 |
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156 bool |
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157 octave_value_typeinfo::register_type_conv_op (int t, int t_result, |
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158 octave_base_value::type_conv_fcn f) |
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159 { |
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160 return (instance_ok ()) |
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161 ? instance->do_register_type_conv_op (t, t_result, f) : false; |
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162 } |
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163 |
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164 bool |
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165 octave_value_typeinfo::register_widening_op (int t, int t_result, |
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166 octave_base_value::type_conv_fcn f) |
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167 { |
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168 return (instance_ok ()) |
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169 ? instance->do_register_widening_op (t, t_result, f) : false; |
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170 } |
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171 |
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172 // FIXME -- we should also store all class names and provide a |
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173 // way to list them (calling class with nargin == 0?). |
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174 |
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175 int |
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176 octave_value_typeinfo::do_register_type (const std::string& t_name, |
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177 const std::string& c_name, |
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178 const octave_value& val) |
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179 { |
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180 int i = 0; |
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181 |
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182 for (i = 0; i < num_types; i++) |
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183 if (t_name == types (i)) |
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184 return i; |
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185 |
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186 int len = types.length (); |
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187 |
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188 if (i == len) |
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189 { |
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190 len *= 2; |
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191 |
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192 types.resize (len, std::string ()); |
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193 |
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194 vals.resize (len, octave_value ()); |
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195 |
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196 unary_ops.resize (static_cast<int> (octave_value::num_unary_ops), |
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197 len, static_cast<octave_value_typeinfo::unary_op_fcn> (0)); |
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198 |
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199 non_const_unary_ops.resize |
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200 (static_cast<int> (octave_value::num_unary_ops), |
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201 len, static_cast<octave_value_typeinfo::non_const_unary_op_fcn> (0)); |
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202 |
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203 binary_ops.resize (static_cast<int> (octave_value::num_binary_ops), |
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204 len, len, static_cast<octave_value_typeinfo::binary_op_fcn> (0)); |
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205 |
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206 cat_ops.resize (len, len, static_cast<octave_value_typeinfo::cat_op_fcn> (0)); |
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207 |
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208 assign_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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209 len, len, static_cast<octave_value_typeinfo::assign_op_fcn> (0)); |
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210 |
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211 assignany_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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212 len, static_cast<octave_value_typeinfo::assignany_op_fcn> (0)); |
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213 |
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214 pref_assign_conv.resize (len, len, -1); |
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215 |
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216 type_conv_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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217 |
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218 widening_ops.resize (len, len, static_cast<octave_base_value::type_conv_fcn> (0)); |
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219 } |
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220 |
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221 types (i) = t_name; |
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222 |
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223 vals (i) = val; |
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224 |
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225 num_types++; |
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226 |
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227 return i; |
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228 } |
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229 |
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230 bool |
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231 octave_value_typeinfo::do_register_unary_op (octave_value::unary_op op, |
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232 int t, octave_value_typeinfo::unary_op_fcn f) |
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233 { |
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234 if (lookup_unary_op (op, t)) |
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235 { |
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236 std::string op_name = octave_value::unary_op_as_string (op); |
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237 std::string type_name = types(t); |
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238 |
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239 warning ("duplicate unary operator `%s' for type `%s'", |
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240 op_name.c_str (), type_name.c_str ()); |
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241 } |
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242 |
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243 unary_ops.checkelem (static_cast<int> (op), t) = f; |
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244 |
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245 return false; |
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246 } |
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247 |
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248 bool |
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249 octave_value_typeinfo::do_register_non_const_unary_op |
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250 (octave_value::unary_op op, int t, octave_value_typeinfo::non_const_unary_op_fcn f) |
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251 { |
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252 if (lookup_non_const_unary_op (op, t)) |
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253 { |
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254 std::string op_name = octave_value::unary_op_as_string (op); |
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255 std::string type_name = types(t); |
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256 |
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257 warning ("duplicate unary operator `%s' for type `%s'", |
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258 op_name.c_str (), type_name.c_str ()); |
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259 } |
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260 |
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261 non_const_unary_ops.checkelem (static_cast<int> (op), t) = f; |
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262 |
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263 return false; |
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264 } |
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265 |
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266 bool |
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267 octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op, |
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268 int t1, int t2, |
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269 octave_value_typeinfo::binary_op_fcn f) |
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270 { |
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271 if (lookup_binary_op (op, t1, t2)) |
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272 { |
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273 std::string op_name = octave_value::binary_op_as_string (op); |
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274 std::string t1_name = types(t1); |
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275 std::string t2_name = types(t2); |
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276 |
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277 warning ("duplicate binary operator `%s' for types `%s' and `%s'", |
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278 op_name.c_str (), t1_name.c_str (), t1_name.c_str ()); |
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279 } |
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280 |
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281 binary_ops.checkelem (static_cast<int> (op), t1, t2) = f; |
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282 |
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283 return false; |
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284 } |
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285 |
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286 bool |
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287 octave_value_typeinfo::do_register_cat_op (int t1, int t2, octave_value_typeinfo::cat_op_fcn f) |
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288 { |
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289 if (lookup_cat_op (t1, t2)) |
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290 { |
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291 std::string t1_name = types(t1); |
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292 std::string t2_name = types(t2); |
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293 |
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294 warning ("duplicate concatenation operator for types `%s' and `%s'", |
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295 t1_name.c_str (), t1_name.c_str ()); |
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296 } |
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297 |
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298 cat_ops.checkelem (t1, t2) = f; |
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299 |
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300 return false; |
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301 } |
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302 |
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303 bool |
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304 octave_value_typeinfo::do_register_assign_op (octave_value::assign_op op, |
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305 int t_lhs, int t_rhs, |
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306 octave_value_typeinfo::assign_op_fcn f) |
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307 { |
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308 if (lookup_assign_op (op, t_lhs, t_rhs)) |
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309 { |
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310 std::string op_name = octave_value::assign_op_as_string (op); |
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311 std::string t_lhs_name = types(t_lhs); |
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312 std::string t_rhs_name = types(t_rhs); |
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313 |
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314 warning ("duplicate assignment operator `%s' for types `%s' and `%s'", |
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315 op_name.c_str (), t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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316 } |
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317 |
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318 assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs) = f; |
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319 |
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320 return false; |
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321 } |
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322 |
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323 bool |
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324 octave_value_typeinfo::do_register_assignany_op (octave_value::assign_op op, |
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325 int t_lhs, octave_value_typeinfo::assignany_op_fcn f) |
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326 { |
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327 if (lookup_assignany_op (op, t_lhs)) |
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328 { |
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329 std::string op_name = octave_value::assign_op_as_string (op); |
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330 std::string t_lhs_name = types(t_lhs); |
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331 |
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332 warning ("duplicate assignment operator `%s' for types `%s'", |
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333 op_name.c_str (), t_lhs_name.c_str ()); |
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334 } |
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335 |
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336 assignany_ops.checkelem (static_cast<int> (op), t_lhs) = f; |
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337 |
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338 return false; |
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339 } |
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340 |
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341 bool |
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342 octave_value_typeinfo::do_register_pref_assign_conv (int t_lhs, int t_rhs, |
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343 int t_result) |
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344 { |
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345 if (lookup_pref_assign_conv (t_lhs, t_rhs) >= 0) |
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346 { |
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347 std::string t_lhs_name = types(t_lhs); |
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348 std::string t_rhs_name = types(t_rhs); |
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349 |
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350 warning ("overriding assignment conversion for types `%s' and `%s'", |
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351 t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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352 } |
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353 |
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354 pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result; |
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355 |
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356 return false; |
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357 } |
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358 |
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359 bool |
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360 octave_value_typeinfo::do_register_type_conv_op |
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361 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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362 { |
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363 if (lookup_type_conv_op (t, t_result)) |
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364 { |
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365 std::string t_name = types(t); |
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366 std::string t_result_name = types(t_result); |
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367 |
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368 warning ("overriding type conversion op for `%s' to `%s'", |
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369 t_name.c_str (), t_result_name.c_str ()); |
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370 } |
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371 |
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372 type_conv_ops.checkelem (t, t_result) = f; |
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373 |
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374 return false; |
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375 } |
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376 |
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377 bool |
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378 octave_value_typeinfo::do_register_widening_op |
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379 (int t, int t_result, octave_base_value::type_conv_fcn f) |
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380 { |
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4508
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381 if (lookup_widening_op (t, t_result)) |
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382 { |
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383 std::string t_name = types(t); |
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384 std::string t_result_name = types(t_result); |
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385 |
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386 warning ("overriding widening op for `%s' to `%s'", |
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387 t_name.c_str (), t_result_name.c_str ()); |
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388 } |
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389 |
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390 widening_ops.checkelem (t, t_result) = f; |
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391 |
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392 return false; |
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393 } |
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394 |
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4640
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395 octave_value |
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396 octave_value_typeinfo::do_lookup_type (const std::string& nm) |
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397 { |
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398 octave_value retval; |
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399 |
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400 for (int i = 0; i < num_types; i++) |
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401 { |
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402 if (nm == types(i)) |
|
|
403 { |
|
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404 retval = vals(i); |
|
4687
|
405 retval.make_unique (); |
|
4640
|
406 break; |
|
|
407 } |
|
|
408 } |
|
|
409 |
|
|
410 return retval; |
|
|
411 } |
|
|
412 |
|
5759
|
413 octave_value_typeinfo::unary_op_fcn |
|
3203
|
414 octave_value_typeinfo::do_lookup_unary_op (octave_value::unary_op op, int t) |
|
|
415 { |
|
|
416 return unary_ops.checkelem (static_cast<int> (op), t); |
|
|
417 } |
|
|
418 |
|
5759
|
419 octave_value_typeinfo::non_const_unary_op_fcn |
|
3203
|
420 octave_value_typeinfo::do_lookup_non_const_unary_op |
|
|
421 (octave_value::unary_op op, int t) |
|
|
422 { |
|
|
423 return non_const_unary_ops.checkelem (static_cast<int> (op), t); |
|
|
424 } |
|
|
425 |
|
5759
|
426 octave_value_typeinfo::binary_op_fcn |
|
2376
|
427 octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op, |
|
|
428 int t1, int t2) |
|
|
429 { |
|
2800
|
430 return binary_ops.checkelem (static_cast<int> (op), t1, t2); |
|
2376
|
431 } |
|
|
432 |
|
5759
|
433 octave_value_typeinfo::cat_op_fcn |
|
4915
|
434 octave_value_typeinfo::do_lookup_cat_op (int t1, int t2) |
|
|
435 { |
|
|
436 return cat_ops.checkelem (t1, t2); |
|
|
437 } |
|
|
438 |
|
5759
|
439 octave_value_typeinfo::assign_op_fcn |
|
2882
|
440 octave_value_typeinfo::do_lookup_assign_op (octave_value::assign_op op, |
|
|
441 int t_lhs, int t_rhs) |
|
2376
|
442 { |
|
2882
|
443 return assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs); |
|
2376
|
444 } |
|
|
445 |
|
5759
|
446 octave_value_typeinfo::assignany_op_fcn |
|
3196
|
447 octave_value_typeinfo::do_lookup_assignany_op (octave_value::assign_op op, |
|
|
448 int t_lhs) |
|
|
449 { |
|
|
450 return assignany_ops.checkelem (static_cast<int> (op), t_lhs); |
|
|
451 } |
|
|
452 |
|
2376
|
453 int |
|
|
454 octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs) |
|
|
455 { |
|
|
456 return pref_assign_conv.checkelem (t_lhs, t_rhs); |
|
|
457 } |
|
|
458 |
|
5759
|
459 octave_base_value::type_conv_fcn |
|
4901
|
460 octave_value_typeinfo::do_lookup_type_conv_op (int t, int t_result) |
|
|
461 { |
|
|
462 return type_conv_ops.checkelem (t, t_result); |
|
|
463 } |
|
|
464 |
|
5759
|
465 octave_base_value::type_conv_fcn |
|
2376
|
466 octave_value_typeinfo::do_lookup_widening_op (int t, int t_result) |
|
|
467 { |
|
|
468 return widening_ops.checkelem (t, t_result); |
|
|
469 } |
|
|
470 |
|
|
471 string_vector |
|
|
472 octave_value_typeinfo::do_installed_type_names (void) |
|
|
473 { |
|
|
474 string_vector retval (num_types); |
|
|
475 |
|
|
476 for (int i = 0;i < num_types; i++) |
|
|
477 retval (i) = types (i); |
|
|
478 |
|
|
479 return retval; |
|
|
480 } |
|
|
481 |
|
2457
|
482 DEFUN (typeinfo, args, , |
|
3445
|
483 "-*- texinfo -*-\n\ |
|
|
484 @deftypefn {Built-in Function} {} typeinfo (@var{expr})\n\ |
|
2822
|
485 \n\ |
|
3445
|
486 Return the type of the expression @var{expr}, as a string. If\n\ |
|
|
487 @var{EXPR} is omitted, return an array of strings containing all the\n\ |
|
|
488 currently installed data types.\n\ |
|
|
489 @end deftypefn") |
|
2376
|
490 { |
|
|
491 octave_value retval; |
|
|
492 |
|
|
493 int nargin = args.length (); |
|
|
494 |
|
|
495 if (nargin == 0) |
|
|
496 retval = octave_value_typeinfo::installed_type_names (); |
|
2822
|
497 else if (nargin == 1) |
|
|
498 retval = args(0).type_name (); |
|
2376
|
499 else |
|
5823
|
500 print_usage (); |
|
2376
|
501 |
|
|
502 return retval; |
|
|
503 } |
|
|
504 |
|
4612
|
505 DEFUN (class, args, , |
|
|
506 "-*- texinfo -*-\n\ |
|
|
507 @deftypefn {Built-in Function} {} class (@var{expr})\n\ |
|
|
508 \n\ |
|
|
509 Return the class of the expression @var{expr}, as a string.\n\ |
|
|
510 @end deftypefn") |
|
|
511 { |
|
|
512 octave_value retval; |
|
|
513 |
|
|
514 int nargin = args.length (); |
|
|
515 |
|
|
516 if (nargin == 1) |
|
|
517 retval = args(0).class_name (); |
|
|
518 else |
|
5823
|
519 print_usage (); |
|
4612
|
520 |
|
|
521 return retval; |
|
|
522 } |
|
|
523 |
|
2376
|
524 /* |
|
|
525 ;;; Local Variables: *** |
|
|
526 ;;; mode: C++ *** |
|
|
527 ;;; End: *** |
|
|
528 */ |
