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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 #if !defined (octave_value_typeinfo_h) |
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24 #define octave_value_typeinfo_h 1 |
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25 |
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26 #if defined (__GNUG__) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <string> |
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31 |
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32 #include "Array.h" |
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33 #include "Array2.h" |
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34 #include "Array3.h" |
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35 |
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36 #include "ov.h" |
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37 |
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38 class string_vector; |
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39 |
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40 class |
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41 octave_value_typeinfo |
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42 { |
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43 public: |
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44 |
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45 static int register_type (const string&); |
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46 |
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47 static bool register_binary_op (octave_value::binary_op, int, int, |
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48 binary_op_fcn); |
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49 |
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50 static bool register_assign_op (octave_value::assign_op, int, int, |
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51 assign_op_fcn); |
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52 |
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53 static bool register_pref_assign_conv (int, int, int); |
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54 |
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55 static bool register_widening_op (int, int, type_conv_fcn); |
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56 |
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57 static binary_op_fcn |
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58 lookup_binary_op (octave_value::binary_op op, int t1, int t2) |
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59 { |
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60 return instance->do_lookup_binary_op (op, t1, t2); |
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61 } |
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62 |
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63 static assign_op_fcn |
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64 lookup_assign_op (octave_value::assign_op op, int t_lhs, int t_rhs) |
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65 { |
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66 return instance->do_lookup_assign_op (op, t_lhs, t_rhs); |
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67 } |
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68 |
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69 static int |
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70 lookup_pref_assign_conv (int t_lhs, int t_rhs) |
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71 { |
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72 return instance->do_lookup_pref_assign_conv (t_lhs, t_rhs); |
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73 } |
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74 |
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75 static type_conv_fcn |
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76 lookup_widening_op (int t, int t_result) |
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77 { |
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78 return instance->do_lookup_widening_op (t, t_result); |
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79 } |
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80 |
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81 static string_vector installed_type_names (void) |
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82 { |
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83 return instance->do_installed_type_names (); |
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84 } |
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85 |
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86 protected: |
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87 |
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88 octave_value_typeinfo (void) |
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89 : num_types (0), types (init_tab_sz, string ()), |
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90 binary_ops (octave_value::num_binary_ops, init_tab_sz, |
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91 init_tab_sz, (binary_op_fcn) 0), |
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92 assign_ops (octave_value::num_assign_ops, init_tab_sz, |
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93 init_tab_sz, (assign_op_fcn) 0), |
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94 pref_assign_conv (init_tab_sz, init_tab_sz, -1), |
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95 widening_ops (init_tab_sz, init_tab_sz, (type_conv_fcn) 0) { } |
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96 |
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97 private: |
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98 |
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99 static const int init_tab_sz; |
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100 |
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101 static octave_value_typeinfo *instance; |
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102 |
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103 int num_types; |
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104 |
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105 Array<string> types; |
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106 |
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107 Array3<binary_op_fcn> binary_ops; |
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108 |
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109 Array3<assign_op_fcn> assign_ops; |
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110 |
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111 Array2<int> pref_assign_conv; |
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112 |
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113 Array2<type_conv_fcn> widening_ops; |
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114 |
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115 int do_register_type (const string&); |
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116 |
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117 bool do_register_binary_op (octave_value::binary_op, int, int, |
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118 binary_op_fcn); |
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119 |
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120 bool do_register_assign_op (octave_value::assign_op, int, int, |
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121 assign_op_fcn); |
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122 |
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123 bool do_register_pref_assign_conv (int, int, int); |
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124 |
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125 bool do_register_widening_op (int, int, type_conv_fcn); |
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126 |
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127 binary_op_fcn |
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128 do_lookup_binary_op (octave_value::binary_op, int, int); |
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129 |
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130 assign_op_fcn |
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131 do_lookup_assign_op (octave_value::assign_op, int, int); |
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132 |
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133 int do_lookup_pref_assign_conv (int, int); |
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134 |
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135 type_conv_fcn do_lookup_widening_op (int, int); |
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136 |
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137 string_vector do_installed_type_names (void); |
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138 |
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139 // No copying! |
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140 |
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141 octave_value_typeinfo (const octave_value_typeinfo&); |
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142 |
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143 octave_value_typeinfo& operator = (const octave_value_typeinfo&); |
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144 }; |
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145 |
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146 #endif |
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147 |
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148 /* |
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149 ;; Local Variables: *** |
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150 ;; mode: C++ *** |
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151 ;; End: *** |
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152 */ |
