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2376
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1 /* |
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2 |
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3 Copyright (C) 1996 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 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "ov-typeinfo.h" |
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32 |
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33 #include "defun.h" |
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34 #include "error.h" |
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35 #include "help.h" |
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36 #include "oct-obj.h" |
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37 |
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38 octave_value_typeinfo *octave_value_typeinfo::instance = 0; |
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39 |
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40 #include <Array.cc> |
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41 #include <Array2.cc> |
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42 #include <Array3.cc> |
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43 |
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44 template class Array<octave_value::binary_op_fcn>; |
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45 template class Array2<octave_value::binary_op_fcn>; |
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46 template class Array3<octave_value::binary_op_fcn>; |
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47 |
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48 template class Array<octave_value::assign_op_fcn>; |
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49 template class Array2<octave_value::assign_op_fcn>; |
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50 |
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51 template class Array<octave_value::widening_op_fcn>; |
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52 template class Array2<octave_value::widening_op_fcn>; |
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53 |
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54 int |
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55 octave_value_typeinfo::register_type (const string& name) |
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56 { |
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57 if (! instance) |
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58 instance = new octave_value_typeinfo (); |
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59 |
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60 return instance->do_register_type (name); |
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61 } |
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62 |
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63 bool |
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64 octave_value_typeinfo::register_binary_op (octave_value::binary_op op, |
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65 int t1, int t2, |
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66 octave_value::binary_op_fcn f) |
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67 { |
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68 if (! instance) |
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69 instance = new octave_value_typeinfo (); |
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70 |
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71 return instance->do_register_binary_op (op, t1, t2, f); |
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72 } |
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73 |
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74 bool |
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75 octave_value_typeinfo::register_assign_op (int t_lhs, int t_rhs, |
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76 octave_value::assign_op_fcn f) |
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77 { |
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78 if (! instance) |
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79 instance = new octave_value_typeinfo (); |
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80 |
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81 return instance->do_register_assign_op (t_lhs, t_rhs, f); |
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82 } |
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83 |
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84 bool |
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85 octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs, |
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86 int t_result) |
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87 { |
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88 if (! instance) |
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89 instance = new octave_value_typeinfo (); |
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90 |
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91 return instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result); |
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92 } |
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93 |
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94 bool |
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95 octave_value_typeinfo::register_widening_op (int t, int t_result, |
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96 octave_value::widening_op_fcn f) |
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97 { |
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98 if (! instance) |
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99 instance = new octave_value_typeinfo (); |
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100 |
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101 return instance->do_register_widening_op (t, t_result, f); |
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102 } |
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103 |
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104 int |
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105 octave_value_typeinfo::do_register_type (const string& name) |
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106 { |
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107 int i = 0; |
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108 |
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109 for (i = 0; i < num_types; i++) |
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110 if (name == types (i)) |
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111 return i; |
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112 |
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113 int len = types.length (); |
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114 |
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115 if (i == len) |
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116 { |
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117 len *= 2; |
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118 |
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119 types.resize (len, string ()); |
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120 |
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121 binary_ops.resize ((int) octave_value::num_binary_ops, len, len, |
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122 (octave_value::binary_op_fcn) 0); |
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123 |
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124 assign_ops.resize (len, len, (octave_value::assign_op_fcn) 0); |
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125 |
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126 pref_assign_conv.resize (len, len, -1); |
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127 |
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128 widening_ops.resize (len, len, (octave_value::widening_op_fcn) 0); |
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129 } |
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130 |
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131 types (i) = name; |
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132 |
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133 num_types++; |
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134 |
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135 return i; |
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136 } |
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137 |
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138 bool |
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139 octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op, |
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140 int t1, int t2, |
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141 octave_value::binary_op_fcn f) |
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142 { |
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143 binary_ops.checkelem ((int) op, t1, t2) = f; |
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144 |
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145 return false; |
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146 } |
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147 |
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148 bool |
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149 octave_value_typeinfo::do_register_assign_op (int t_lhs, int t_rhs, |
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150 octave_value::assign_op_fcn f) |
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151 { |
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152 assign_ops.checkelem (t_lhs, t_rhs) = f; |
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153 |
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154 return 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::do_register_pref_assign_conv (int t_lhs, int t_rhs, |
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159 int t_result) |
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160 { |
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161 pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result; |
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162 |
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163 return false; |
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164 } |
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165 |
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166 bool |
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167 octave_value_typeinfo::do_register_widening_op |
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168 (int t, int t_result, octave_value::widening_op_fcn f) |
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169 { |
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170 widening_ops.checkelem (t, t_result) = f; |
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171 |
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172 return false; |
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173 } |
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174 |
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175 #include <iostream.h> |
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176 |
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177 octave_value::binary_op_fcn |
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178 octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op, |
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179 int t1, int t2) |
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180 { |
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181 return binary_ops.checkelem ((int) op, t1, t2); |
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182 } |
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183 |
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184 octave_value::assign_op_fcn |
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185 octave_value_typeinfo::do_lookup_assign_op (int t_lhs, int t_rhs) |
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186 { |
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187 return assign_ops.checkelem (t_lhs, t_rhs); |
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188 } |
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189 |
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190 int |
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191 octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs) |
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192 { |
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193 return pref_assign_conv.checkelem (t_lhs, t_rhs); |
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194 } |
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195 |
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196 octave_value::widening_op_fcn |
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197 octave_value_typeinfo::do_lookup_widening_op (int t, int t_result) |
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198 { |
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199 return widening_ops.checkelem (t, t_result); |
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200 } |
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201 |
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202 string_vector |
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203 octave_value_typeinfo::do_installed_type_names (void) |
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204 { |
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205 string_vector retval (num_types); |
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206 |
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207 for (int i = 0;i < num_types; i++) |
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208 retval (i) = types (i); |
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209 |
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210 return retval; |
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211 } |
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212 |
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213 DEFUN(typeinfo, args, , |
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214 "usage: typeinfo ([typename])") |
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215 { |
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216 octave_value retval; |
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217 |
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218 int nargin = args.length (); |
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219 |
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220 if (nargin == 0) |
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221 retval = octave_value_typeinfo::installed_type_names (); |
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222 else |
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223 print_usage ("typeinfo"); |
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224 |
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225 return retval; |
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226 } |
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227 |
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228 /* |
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229 ;;; Local Variables: *** |
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230 ;;; mode: C++ *** |
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231 ;;; End: *** |
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232 */ |
