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