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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 #if !defined (octave_value_typeinfo_h) |
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25 #define octave_value_typeinfo_h 1 |
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26 |
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27 #include <string> |
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28 |
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29 #include "Array.h" |
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30 #include "Array2.h" |
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31 #include "Array3.h" |
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32 |
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33 #include "ov.h" |
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34 |
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35 class string_vector; |
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36 |
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37 class |
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38 OCTINTERP_API |
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39 octave_value_typeinfo |
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40 { |
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41 public: |
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42 |
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43 typedef octave_value (*unary_op_fcn) (const octave_base_value&); |
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44 |
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45 typedef void (*non_const_unary_op_fcn) (octave_base_value&); |
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46 |
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47 typedef octave_value (*binary_op_fcn) |
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48 (const octave_base_value&, const octave_base_value&); |
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49 |
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50 typedef octave_value (*cat_op_fcn) |
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51 (octave_base_value&, const octave_base_value&, const Array<int>& ra_idx); |
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52 |
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53 typedef octave_value (*assign_op_fcn) |
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54 (octave_base_value&, const octave_value_list&, const octave_base_value&); |
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55 |
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56 typedef octave_value (*assignany_op_fcn) |
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57 (octave_base_value&, const octave_value_list&, const octave_value&); |
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58 |
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59 static bool instance_ok (void); |
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60 |
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61 static int register_type (const std::string&, const std::string&, |
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62 const octave_value&); |
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63 |
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64 static bool register_unary_op (octave_value::unary_op, int, unary_op_fcn); |
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65 |
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66 static bool register_non_const_unary_op (octave_value::unary_op, int, |
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67 non_const_unary_op_fcn); |
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68 |
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69 static bool register_binary_op (octave_value::binary_op, int, int, |
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70 binary_op_fcn); |
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71 |
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72 static bool register_cat_op (int, int, cat_op_fcn); |
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73 |
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74 static bool register_assign_op (octave_value::assign_op, int, int, |
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75 assign_op_fcn); |
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76 |
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77 static bool register_assignany_op (octave_value::assign_op, int, |
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78 assignany_op_fcn); |
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79 |
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80 static bool register_pref_assign_conv (int, int, int); |
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81 |
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82 static bool |
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83 register_type_conv_op (int, int, octave_base_value::type_conv_fcn); |
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84 |
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85 static bool |
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86 register_widening_op (int, int, octave_base_value::type_conv_fcn); |
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87 |
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88 static octave_value |
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89 lookup_type (const std::string& nm) |
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90 { |
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91 return instance->do_lookup_type (nm); |
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92 } |
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93 |
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94 static unary_op_fcn |
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95 lookup_unary_op (octave_value::unary_op op, int t) |
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96 { |
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97 return instance->do_lookup_unary_op (op, t); |
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98 } |
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99 |
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100 static non_const_unary_op_fcn |
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101 lookup_non_const_unary_op (octave_value::unary_op op, int t) |
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102 { |
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103 return instance->do_lookup_non_const_unary_op (op, t); |
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104 } |
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105 |
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106 static binary_op_fcn |
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107 lookup_binary_op (octave_value::binary_op op, int t1, int t2) |
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108 { |
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109 return instance->do_lookup_binary_op (op, t1, t2); |
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110 } |
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111 |
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112 static cat_op_fcn |
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113 lookup_cat_op (int t1, int t2) |
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114 { |
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115 return instance->do_lookup_cat_op (t1, t2); |
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116 } |
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117 |
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118 static assign_op_fcn |
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119 lookup_assign_op (octave_value::assign_op op, int t_lhs, int t_rhs) |
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120 { |
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121 return instance->do_lookup_assign_op (op, t_lhs, t_rhs); |
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122 } |
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123 |
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124 static assignany_op_fcn |
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125 lookup_assignany_op (octave_value::assign_op op, int t_lhs) |
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126 { |
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127 return instance->do_lookup_assignany_op (op, t_lhs); |
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128 } |
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129 |
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130 static int |
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131 lookup_pref_assign_conv (int t_lhs, int t_rhs) |
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132 { |
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133 return instance->do_lookup_pref_assign_conv (t_lhs, t_rhs); |
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134 } |
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135 |
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136 static octave_base_value::type_conv_fcn |
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137 lookup_type_conv_op (int t, int t_result) |
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138 { |
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139 return instance->do_lookup_type_conv_op (t, t_result); |
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140 } |
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141 |
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142 static octave_base_value::type_conv_fcn |
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143 lookup_widening_op (int t, int t_result) |
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144 { |
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145 return instance->do_lookup_widening_op (t, t_result); |
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146 } |
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147 |
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148 static string_vector installed_type_names (void) |
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149 { |
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150 return instance->do_installed_type_names (); |
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151 } |
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152 |
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153 protected: |
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154 |
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155 octave_value_typeinfo (void) |
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156 : num_types (0), types (init_tab_sz, std::string ()), |
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157 vals (init_tab_sz), |
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158 unary_ops (octave_value::num_unary_ops, init_tab_sz, 0), |
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159 non_const_unary_ops (octave_value::num_unary_ops, init_tab_sz, 0), |
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160 binary_ops (octave_value::num_binary_ops, init_tab_sz, init_tab_sz, 0), |
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161 cat_ops (init_tab_sz, init_tab_sz, 0), |
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162 assign_ops (octave_value::num_assign_ops, init_tab_sz, init_tab_sz, 0), |
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163 assignany_ops (octave_value::num_assign_ops, init_tab_sz, 0), |
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164 pref_assign_conv (init_tab_sz, init_tab_sz, -1), |
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165 type_conv_ops (init_tab_sz, init_tab_sz, 0), |
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166 widening_ops (init_tab_sz, init_tab_sz, 0) { } |
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167 |
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168 private: |
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169 |
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170 static const int init_tab_sz; |
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171 |
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172 static octave_value_typeinfo *instance; |
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173 |
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174 int num_types; |
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175 |
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176 Array<std::string> types; |
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177 |
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178 Array<octave_value> vals; |
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179 |
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180 Array2<unary_op_fcn> unary_ops; |
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181 |
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182 Array2<non_const_unary_op_fcn> non_const_unary_ops; |
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183 |
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184 Array3<binary_op_fcn> binary_ops; |
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185 |
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186 Array2<cat_op_fcn> cat_ops; |
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187 |
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188 Array3<assign_op_fcn> assign_ops; |
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189 |
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190 Array2<assignany_op_fcn> assignany_ops; |
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191 |
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192 Array2<int> pref_assign_conv; |
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193 |
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194 Array2<octave_base_value::type_conv_fcn> type_conv_ops; |
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195 |
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196 Array2<octave_base_value::type_conv_fcn> widening_ops; |
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197 |
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198 int do_register_type (const std::string&, const std::string&, |
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199 const octave_value&); |
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200 |
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201 bool do_register_unary_op (octave_value::unary_op, int, unary_op_fcn); |
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202 |
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203 bool do_register_non_const_unary_op (octave_value::unary_op, int, |
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204 non_const_unary_op_fcn); |
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205 |
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206 bool do_register_binary_op (octave_value::binary_op, int, int, |
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207 binary_op_fcn); |
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208 |
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209 bool do_register_cat_op (int, int, cat_op_fcn); |
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210 |
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211 bool do_register_assign_op (octave_value::assign_op, int, int, |
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212 assign_op_fcn); |
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213 |
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214 bool do_register_assignany_op (octave_value::assign_op, int, |
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215 assignany_op_fcn); |
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216 |
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217 bool do_register_pref_assign_conv (int, int, int); |
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218 |
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219 bool do_register_type_conv_op (int, int, octave_base_value::type_conv_fcn); |
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220 |
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221 bool do_register_widening_op (int, int, octave_base_value::type_conv_fcn); |
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222 |
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223 octave_value do_lookup_type (const std::string& nm); |
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224 |
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225 unary_op_fcn do_lookup_unary_op (octave_value::unary_op, int); |
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226 |
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227 non_const_unary_op_fcn do_lookup_non_const_unary_op |
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228 (octave_value::unary_op, int); |
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229 |
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230 binary_op_fcn do_lookup_binary_op (octave_value::binary_op, int, int); |
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231 |
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232 cat_op_fcn do_lookup_cat_op (int, int); |
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233 |
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234 assign_op_fcn do_lookup_assign_op (octave_value::assign_op, int, int); |
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235 |
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236 assignany_op_fcn do_lookup_assignany_op (octave_value::assign_op, int); |
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237 |
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238 int do_lookup_pref_assign_conv (int, int); |
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239 |
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240 octave_base_value::type_conv_fcn do_lookup_type_conv_op (int, int); |
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241 |
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242 octave_base_value::type_conv_fcn do_lookup_widening_op (int, int); |
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243 |
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244 string_vector do_installed_type_names (void); |
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245 |
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246 // No copying! |
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247 |
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248 octave_value_typeinfo (const octave_value_typeinfo&); |
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249 |
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250 octave_value_typeinfo& operator = (const octave_value_typeinfo&); |
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251 }; |
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252 |
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253 #endif |
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254 |
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255 /* |
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256 ;;; Local Variables: *** |
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257 ;;; mode: C++ *** |
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258 ;;; End: *** |
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259 */ |
