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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include "ov-typeinfo.h" |
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28 |
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29 #include "defun.h" |
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30 #include "error.h" |
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31 #include "oct-obj.h" |
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32 |
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2479
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33 const int |
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34 octave_value_typeinfo::init_tab_sz (16); |
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35 |
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36 octave_value_typeinfo * |
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37 octave_value_typeinfo::instance (0); |
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38 |
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39 #include <Array.h> |
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40 #include <Array2.h> |
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41 #include <Array3.h> |
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42 |
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43 #include <Array.cc> |
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44 |
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45 INSTANTIATE_ARRAY (unary_op_fcn); |
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46 template class Array2<unary_op_fcn>; |
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47 |
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48 INSTANTIATE_ARRAY (non_const_unary_op_fcn); |
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49 template class Array2<non_const_unary_op_fcn>; |
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50 |
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51 INSTANTIATE_ARRAY (binary_op_fcn); |
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52 template class Array2<binary_op_fcn>; |
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53 template class Array3<binary_op_fcn>; |
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54 |
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55 INSTANTIATE_ARRAY (cat_op_fcn); |
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56 template class Array2<cat_op_fcn>; |
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57 |
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58 INSTANTIATE_ARRAY (assign_op_fcn); |
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59 template class Array2<assign_op_fcn>; |
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60 template class Array3<assign_op_fcn>; |
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61 |
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62 INSTANTIATE_ARRAY (type_conv_fcn); |
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63 template class Array2<type_conv_fcn>; |
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64 |
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65 bool |
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66 octave_value_typeinfo::instance_ok (void) |
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67 { |
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68 bool retval = true; |
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69 if (! instance) |
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70 instance = new octave_value_typeinfo (); |
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71 |
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72 if (! instance) |
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73 { |
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74 ::error ("unable to create value type info object!"); |
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75 |
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76 retval = false; |
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77 } |
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78 |
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79 return retval; |
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80 } |
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81 |
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82 int |
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83 octave_value_typeinfo::register_type (const std::string& t_name, |
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84 const std::string& c_name, |
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85 const octave_value& val) |
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86 { |
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87 return (instance_ok ()) |
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88 ? instance->do_register_type (t_name, c_name, val) : -1; |
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89 } |
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90 |
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91 bool |
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92 octave_value_typeinfo::register_unary_op (octave_value::unary_op op, |
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93 int t, unary_op_fcn f) |
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94 { |
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95 return (instance_ok ()) |
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96 ? instance->do_register_unary_op (op, t, f) : false; |
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97 } |
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98 |
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99 bool |
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100 octave_value_typeinfo::register_non_const_unary_op (octave_value::unary_op op, |
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101 int t, |
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102 non_const_unary_op_fcn f) |
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103 { |
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104 return (instance_ok ()) |
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105 ? instance->do_register_non_const_unary_op (op, t, f) : false; |
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106 } |
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107 |
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108 bool |
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109 octave_value_typeinfo::register_binary_op (octave_value::binary_op op, |
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110 int t1, int t2, |
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111 binary_op_fcn f) |
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112 { |
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113 return (instance_ok ()) |
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114 ? instance->do_register_binary_op (op, t1, t2, f) : false; |
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115 } |
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116 |
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117 bool |
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118 octave_value_typeinfo::register_cat_op (int t1, int t2, cat_op_fcn f) |
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119 { |
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120 return (instance_ok ()) |
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121 ? instance->do_register_cat_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_assign_op (octave_value::assign_op op, |
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126 int t_lhs, int t_rhs, |
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127 assign_op_fcn f) |
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128 { |
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129 return (instance_ok ()) |
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130 ? instance->do_register_assign_op (op, t_lhs, t_rhs, f) : -1; |
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131 } |
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132 |
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133 bool |
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134 octave_value_typeinfo::register_assignany_op (octave_value::assign_op op, |
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135 int t_lhs, assign_op_fcn f) |
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136 { |
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137 return (instance_ok ()) |
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138 ? instance->do_register_assignany_op (op, t_lhs, f) : -1; |
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139 } |
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140 |
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141 bool |
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142 octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs, |
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143 int t_result) |
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144 { |
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145 return (instance_ok ()) |
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146 ? instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result) : false; |
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147 } |
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148 |
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149 bool |
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150 octave_value_typeinfo::register_type_conv_op (int t, int t_result, |
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151 type_conv_fcn f) |
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152 { |
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153 return (instance_ok ()) |
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154 ? instance->do_register_type_conv_op (t, t_result, f) : false; |
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155 } |
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156 |
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157 bool |
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158 octave_value_typeinfo::register_widening_op (int t, int t_result, |
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159 type_conv_fcn f) |
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160 { |
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161 return (instance_ok ()) |
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162 ? instance->do_register_widening_op (t, t_result, f) : false; |
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163 } |
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164 |
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165 // XXX FIXME XXX -- we should also store all class names and provide a |
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166 // way to list them (calling class with nargin == 0?). |
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167 |
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168 int |
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169 octave_value_typeinfo::do_register_type (const std::string& t_name, |
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170 const std::string& c_name, |
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171 const octave_value& val) |
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172 { |
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173 int i = 0; |
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174 |
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175 for (i = 0; i < num_types; i++) |
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176 if (t_name == types (i)) |
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177 return i; |
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178 |
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179 int len = types.length (); |
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180 |
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181 if (i == len) |
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182 { |
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183 len *= 2; |
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184 |
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185 types.resize (len, std::string ()); |
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186 |
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187 vals.resize (len, octave_value ()); |
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188 |
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189 unary_ops.resize (static_cast<int> (octave_value::num_unary_ops), |
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190 len, static_cast<unary_op_fcn> (0)); |
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191 |
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192 non_const_unary_ops.resize |
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193 (static_cast<int> (octave_value::num_unary_ops), |
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194 len, static_cast<non_const_unary_op_fcn> (0)); |
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195 |
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196 binary_ops.resize (static_cast<int> (octave_value::num_binary_ops), |
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197 len, len, static_cast<binary_op_fcn> (0)); |
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198 |
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199 cat_ops.resize (len, len, static_cast<cat_op_fcn> (0)); |
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200 |
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201 assign_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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202 len, len, static_cast<assign_op_fcn> (0)); |
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203 |
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204 assignany_ops.resize (static_cast<int> (octave_value::num_assign_ops), |
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205 len, static_cast<assign_op_fcn> (0)); |
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206 |
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207 pref_assign_conv.resize (len, len, -1); |
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208 |
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209 type_conv_ops.resize (len, len, static_cast<type_conv_fcn> (0)); |
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210 |
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211 widening_ops.resize (len, len, static_cast<type_conv_fcn> (0)); |
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212 } |
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213 |
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214 types (i) = t_name; |
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215 |
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216 vals (i) = val; |
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217 |
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218 num_types++; |
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219 |
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220 return i; |
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221 } |
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222 |
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223 bool |
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224 octave_value_typeinfo::do_register_unary_op (octave_value::unary_op op, |
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225 int t, unary_op_fcn f) |
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226 { |
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227 if (lookup_unary_op (op, t)) |
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228 { |
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229 std::string op_name = octave_value::unary_op_as_string (op); |
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230 std::string type_name = types(t); |
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231 |
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232 warning ("duplicate unary operator `%s' for type `%s'", |
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233 op_name.c_str (), type_name.c_str ()); |
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234 } |
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235 |
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236 unary_ops.checkelem (static_cast<int> (op), t) = f; |
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237 |
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238 return false; |
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239 } |
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240 |
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241 bool |
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242 octave_value_typeinfo::do_register_non_const_unary_op |
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243 (octave_value::unary_op op, int t, non_const_unary_op_fcn f) |
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244 { |
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245 if (lookup_non_const_unary_op (op, t)) |
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246 { |
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247 std::string op_name = octave_value::unary_op_as_string (op); |
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248 std::string type_name = types(t); |
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249 |
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250 warning ("duplicate unary operator `%s' for type `%s'", |
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251 op_name.c_str (), type_name.c_str ()); |
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252 } |
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253 |
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254 non_const_unary_ops.checkelem (static_cast<int> (op), t) = f; |
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255 |
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256 return false; |
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257 } |
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258 |
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259 bool |
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260 octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op, |
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261 int t1, int t2, |
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262 binary_op_fcn f) |
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263 { |
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264 if (lookup_binary_op (op, t1, t2)) |
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265 { |
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266 std::string op_name = octave_value::binary_op_as_string (op); |
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267 std::string t1_name = types(t1); |
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268 std::string t2_name = types(t2); |
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269 |
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270 warning ("duplicate binary operator `%s' for types `%s' and `%s'", |
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271 op_name.c_str (), t1_name.c_str (), t1_name.c_str ()); |
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272 } |
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273 |
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274 binary_ops.checkelem (static_cast<int> (op), t1, t2) = f; |
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275 |
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276 return false; |
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277 } |
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278 |
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279 bool |
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280 octave_value_typeinfo::do_register_cat_op (int t1, int t2, cat_op_fcn f) |
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281 { |
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282 if (lookup_cat_op (t1, t2)) |
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283 { |
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284 std::string t1_name = types(t1); |
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285 std::string t2_name = types(t2); |
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286 |
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287 warning ("duplicate concatenation operator for types `%s' and `%s'", |
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288 t1_name.c_str (), t1_name.c_str ()); |
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289 } |
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290 |
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291 cat_ops.checkelem (t1, t2) = 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_assign_op (octave_value::assign_op op, |
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298 int t_lhs, int t_rhs, |
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299 assign_op_fcn f) |
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300 { |
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301 if (lookup_assign_op (op, t_lhs, t_rhs)) |
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302 { |
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303 std::string op_name = octave_value::assign_op_as_string (op); |
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304 std::string t_lhs_name = types(t_lhs); |
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305 std::string t_rhs_name = types(t_rhs); |
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306 |
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307 warning ("duplicate assignment operator `%s' for types `%s' and `%s'", |
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308 op_name.c_str (), t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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309 } |
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310 |
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311 assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs) = f; |
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312 |
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313 return false; |
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314 } |
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315 |
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316 bool |
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317 octave_value_typeinfo::do_register_assignany_op (octave_value::assign_op op, |
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318 int t_lhs, assign_op_fcn f) |
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319 { |
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320 if (lookup_assignany_op (op, t_lhs)) |
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321 { |
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322 std::string op_name = octave_value::assign_op_as_string (op); |
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323 std::string t_lhs_name = types(t_lhs); |
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324 |
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325 warning ("duplicate assignment operator `%s' for types `%s'", |
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326 op_name.c_str (), t_lhs_name.c_str ()); |
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327 } |
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328 |
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329 assignany_ops.checkelem (static_cast<int> (op), t_lhs) = f; |
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330 |
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331 return false; |
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332 } |
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333 |
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334 bool |
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335 octave_value_typeinfo::do_register_pref_assign_conv (int t_lhs, int t_rhs, |
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336 int t_result) |
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337 { |
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338 if (lookup_pref_assign_conv (t_lhs, t_rhs) >= 0) |
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339 { |
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340 std::string t_lhs_name = types(t_lhs); |
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341 std::string t_rhs_name = types(t_rhs); |
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342 |
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343 warning ("overriding assignment conversion for types `%s' and `%s'", |
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344 t_lhs_name.c_str (), t_rhs_name.c_str ()); |
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345 } |
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346 |
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347 pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result; |
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348 |
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349 return false; |
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350 } |
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351 |
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352 bool |
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353 octave_value_typeinfo::do_register_type_conv_op |
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354 (int t, int t_result, type_conv_fcn f) |
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355 { |
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356 if (lookup_type_conv_op (t, t_result)) |
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357 { |
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358 std::string t_name = types(t); |
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359 std::string t_result_name = types(t_result); |
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360 |
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361 warning ("overriding type conversion op for `%s' to `%s'", |
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362 t_name.c_str (), t_result_name.c_str ()); |
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363 } |
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364 |
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365 type_conv_ops.checkelem (t, t_result) = 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_widening_op |
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372 (int t, int t_result, type_conv_fcn f) |
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373 { |
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4508
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374 if (lookup_widening_op (t, t_result)) |
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375 { |
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376 std::string t_name = types(t); |
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377 std::string t_result_name = types(t_result); |
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378 |
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379 warning ("overriding widening op for `%s' to `%s'", |
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380 t_name.c_str (), t_result_name.c_str ()); |
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381 } |
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382 |
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383 widening_ops.checkelem (t, t_result) = 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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4640
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388 octave_value |
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389 octave_value_typeinfo::do_lookup_type (const std::string& nm) |
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390 { |
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391 octave_value retval; |
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392 |
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393 for (int i = 0; i < num_types; i++) |
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394 { |
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395 if (nm == types(i)) |
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396 { |
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397 retval = vals(i); |
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4687
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398 retval.make_unique (); |
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4640
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399 break; |
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400 } |
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401 } |
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402 |
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403 return retval; |
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404 } |
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405 |
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3203
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406 unary_op_fcn |
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407 octave_value_typeinfo::do_lookup_unary_op (octave_value::unary_op op, int t) |
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408 { |
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409 return unary_ops.checkelem (static_cast<int> (op), t); |
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410 } |
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411 |
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412 non_const_unary_op_fcn |
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413 octave_value_typeinfo::do_lookup_non_const_unary_op |
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414 (octave_value::unary_op op, int t) |
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415 { |
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416 return non_const_unary_ops.checkelem (static_cast<int> (op), t); |
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417 } |
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418 |
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2427
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419 binary_op_fcn |
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2376
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420 octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op, |
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421 int t1, int t2) |
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422 { |
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2800
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423 return binary_ops.checkelem (static_cast<int> (op), t1, t2); |
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2376
|
424 } |
|
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425 |
|
4915
|
426 cat_op_fcn |
|
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427 octave_value_typeinfo::do_lookup_cat_op (int t1, int t2) |
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428 { |
|
|
429 return cat_ops.checkelem (t1, t2); |
|
|
430 } |
|
|
431 |
|
2427
|
432 assign_op_fcn |
|
2882
|
433 octave_value_typeinfo::do_lookup_assign_op (octave_value::assign_op op, |
|
|
434 int t_lhs, int t_rhs) |
|
2376
|
435 { |
|
2882
|
436 return assign_ops.checkelem (static_cast<int> (op), t_lhs, t_rhs); |
|
2376
|
437 } |
|
|
438 |
|
3196
|
439 assign_op_fcn |
|
|
440 octave_value_typeinfo::do_lookup_assignany_op (octave_value::assign_op op, |
|
|
441 int t_lhs) |
|
|
442 { |
|
|
443 return assignany_ops.checkelem (static_cast<int> (op), t_lhs); |
|
|
444 } |
|
|
445 |
|
2376
|
446 int |
|
|
447 octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs) |
|
|
448 { |
|
|
449 return pref_assign_conv.checkelem (t_lhs, t_rhs); |
|
|
450 } |
|
|
451 |
|
2427
|
452 type_conv_fcn |
|
4901
|
453 octave_value_typeinfo::do_lookup_type_conv_op (int t, int t_result) |
|
|
454 { |
|
|
455 return type_conv_ops.checkelem (t, t_result); |
|
|
456 } |
|
|
457 |
|
|
458 type_conv_fcn |
|
2376
|
459 octave_value_typeinfo::do_lookup_widening_op (int t, int t_result) |
|
|
460 { |
|
|
461 return widening_ops.checkelem (t, t_result); |
|
|
462 } |
|
|
463 |
|
|
464 string_vector |
|
|
465 octave_value_typeinfo::do_installed_type_names (void) |
|
|
466 { |
|
|
467 string_vector retval (num_types); |
|
|
468 |
|
|
469 for (int i = 0;i < num_types; i++) |
|
|
470 retval (i) = types (i); |
|
|
471 |
|
|
472 return retval; |
|
|
473 } |
|
|
474 |
|
2457
|
475 DEFUN (typeinfo, args, , |
|
3445
|
476 "-*- texinfo -*-\n\ |
|
|
477 @deftypefn {Built-in Function} {} typeinfo (@var{expr})\n\ |
|
2822
|
478 \n\ |
|
3445
|
479 Return the type of the expression @var{expr}, as a string. If\n\ |
|
|
480 @var{EXPR} is omitted, return an array of strings containing all the\n\ |
|
|
481 currently installed data types.\n\ |
|
|
482 @end deftypefn") |
|
2376
|
483 { |
|
|
484 octave_value retval; |
|
|
485 |
|
|
486 int nargin = args.length (); |
|
|
487 |
|
|
488 if (nargin == 0) |
|
|
489 retval = octave_value_typeinfo::installed_type_names (); |
|
2822
|
490 else if (nargin == 1) |
|
|
491 retval = args(0).type_name (); |
|
2376
|
492 else |
|
|
493 print_usage ("typeinfo"); |
|
|
494 |
|
|
495 return retval; |
|
|
496 } |
|
|
497 |
|
4612
|
498 DEFUN (class, args, , |
|
|
499 "-*- texinfo -*-\n\ |
|
|
500 @deftypefn {Built-in Function} {} class (@var{expr})\n\ |
|
|
501 \n\ |
|
|
502 Return the class of the expression @var{expr}, as a string.\n\ |
|
|
503 @end deftypefn") |
|
|
504 { |
|
|
505 octave_value retval; |
|
|
506 |
|
|
507 int nargin = args.length (); |
|
|
508 |
|
|
509 if (nargin == 1) |
|
|
510 retval = args(0).class_name (); |
|
|
511 else |
|
|
512 print_usage ("class"); |
|
|
513 |
|
|
514 return retval; |
|
|
515 } |
|
|
516 |
|
2376
|
517 /* |
|
|
518 ;;; Local Variables: *** |
|
|
519 ;;; mode: C++ *** |
|
|
520 ;;; End: *** |
|
|
521 */ |
