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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 (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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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 <climits> |
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32 |
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3503
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33 #include <iostream> |
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34 |
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35 #include "lo-ieee.h" |
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36 |
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37 #include "gripes.h" |
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38 #include "oct-map.h" |
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39 #include "oct-obj.h" |
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40 #include "oct-lvalue.h" |
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41 #include "oct-stream.h" |
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42 #include "ops.h" |
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43 #include "ov-base.h" |
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44 #include "ov-cell.h" |
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45 #include "ov-ch-mat.h" |
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46 #include "ov-complex.h" |
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47 #include "ov-cx-mat.h" |
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48 #include "ov-list.h" |
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49 #include "ov-range.h" |
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50 #include "ov-re-mat.h" |
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51 #include "ov-scalar.h" |
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52 #include "ov-str-mat.h" |
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2948
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53 #include "variables.h" |
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54 |
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3219
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55 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_base_value, "<unknown type>"); |
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56 |
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57 octave_value |
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58 octave_base_value::subsref (const std::string&, |
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59 const std::list<octave_value_list>&) |
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60 { |
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61 std::string nm = type_name (); |
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62 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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63 return octave_value (); |
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64 } |
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65 |
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66 octave_value_list |
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67 octave_base_value::subsref (const std::string&, |
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68 const std::list<octave_value_list>&, int) |
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69 { |
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70 std::string nm = type_name (); |
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71 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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72 return octave_value (); |
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73 } |
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74 |
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75 octave_value |
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76 octave_base_value::do_index_op (const octave_value_list&, int) |
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77 { |
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78 std::string nm = type_name (); |
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79 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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80 return octave_value (); |
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81 } |
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82 |
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83 octave_value_list |
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84 octave_base_value::do_multi_index_op (int, const octave_value_list&) |
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85 { |
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86 std::string nm = type_name (); |
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87 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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88 return octave_value (); |
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89 } |
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90 |
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91 idx_vector |
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92 octave_base_value::index_vector (void) const |
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93 { |
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94 std::string nm = type_name (); |
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95 error ("%s type invalid as index value", nm.c_str ()); |
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96 return idx_vector (); |
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97 } |
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98 |
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99 octave_value |
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100 octave_base_value::subsasgn (const std::string& type, |
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101 const std::list<octave_value_list>& idx, |
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102 const octave_value& rhs) |
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103 { |
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104 octave_value retval; |
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105 |
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106 if (is_defined ()) |
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107 { |
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108 if (is_numeric_type ()) |
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109 { |
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110 switch (type[0]) |
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111 { |
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112 case '(': |
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113 { |
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114 if (type.length () == 1) |
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115 retval = numeric_assign (type, idx, rhs); |
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116 else |
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117 { |
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118 std::string nm = type_name (); |
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119 error ("in indexed assignment of %s, last rhs index must be ()", |
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120 nm.c_str ()); |
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121 } |
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122 } |
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123 break; |
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124 |
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125 case '{': |
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126 case '.': |
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127 { |
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128 std::string nm = type_name (); |
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129 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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130 } |
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131 break; |
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132 |
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133 default: |
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134 panic_impossible (); |
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135 } |
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136 } |
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137 else |
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138 { |
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139 std::string nm = type_name (); |
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140 error ("can't perform indexed assignment for %s type", nm.c_str ()); |
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141 } |
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142 } |
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143 else |
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144 { |
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145 // Create new object of appropriate type for given index and rhs |
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146 // types and then call subsasgn again for that object. |
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147 |
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148 octave_value tmp = octave_value::empty_conv (type, rhs); |
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149 |
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150 retval = tmp.subsasgn (type, idx, rhs); |
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151 } |
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152 |
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153 return retval; |
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154 } |
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155 |
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156 octave_value |
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157 octave_base_value::convert_to_str (void) const |
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158 { |
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159 gripe_wrong_type_arg ("octave_base_value::convert_to_str ()", |
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160 type_name ()); |
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161 return octave_value (); |
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162 } |
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163 |
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164 void |
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165 octave_base_value::convert_to_row_or_column_vector (void) |
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166 { |
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167 gripe_wrong_type_arg |
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168 ("octave_base_value::convert_to_row_or_column_vector ()", |
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169 type_name ()); |
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170 } |
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171 |
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172 void |
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173 octave_base_value::print (std::ostream&, bool) const |
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174 { |
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175 gripe_wrong_type_arg ("octave_base_value::print ()", type_name ()); |
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176 } |
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177 |
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178 void |
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179 octave_base_value::print_raw (std::ostream&, bool) const |
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180 { |
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181 gripe_wrong_type_arg ("octave_base_value::print_raw ()", type_name ()); |
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182 } |
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183 |
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184 bool |
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185 octave_base_value::print_name_tag (std::ostream& os, const std::string& name) const |
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186 { |
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187 indent (os); |
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188 os << name << " ="; |
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189 newline (os); |
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190 newline (os); |
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191 return true; |
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192 } |
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193 |
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194 void |
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195 octave_base_value::print_info (std::ostream& os, |
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196 const std::string& prefix) const |
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197 { |
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198 os << "no info for type: " << type_name () << "\n"; |
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199 } |
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200 |
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201 #define INT_CONV_METHOD(T, F, MIN_LIMIT, MAX_LIMIT) \ |
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202 T \ |
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203 octave_base_value::F ## _value (bool require_int, bool frc_str_conv) const \ |
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204 { \ |
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205 T retval = 0; \ |
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206 \ |
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207 double d = double_value (frc_str_conv); \ |
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208 \ |
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209 if (! error_state) \ |
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210 { \ |
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211 if (require_int && D_NINT (d) != d) \ |
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212 error ("conversion of %g to " #T " value failed", d); \ |
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213 else if (d < MIN_LIMIT || d > MAX_LIMIT) \ |
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214 error ("conversion of %g to short int out of range (%d, %d)", \ |
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215 d, MIN_LIMIT, MAX_LIMIT); \ |
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216 else \ |
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217 retval = static_cast<T> (d); \ |
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218 } \ |
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219 else \ |
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220 gripe_wrong_type_arg ("octave_base_value::" #F "_value ()", \ |
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221 type_name ()); \ |
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222 \ |
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223 return retval; \ |
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224 } |
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225 |
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226 INT_CONV_METHOD (short int, short, SHRT_MIN, SHRT_MAX) |
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227 INT_CONV_METHOD (unsigned short int, ushort, 0, USHRT_MAX) |
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228 |
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229 INT_CONV_METHOD (int, int, INT_MIN, INT_MAX) |
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230 INT_CONV_METHOD (unsigned int, uint, 0, UINT_MAX) |
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231 |
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232 INT_CONV_METHOD (long int, long, LONG_MIN, LONG_MAX) |
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233 INT_CONV_METHOD (unsigned long int, ulong, 0, ULONG_MAX) |
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234 |
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235 int |
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236 octave_base_value::nint_value (bool frc_str_conv) const |
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237 { |
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238 int retval = 0; |
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239 |
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240 double d = double_value (frc_str_conv); |
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241 |
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242 if (! error_state) |
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243 { |
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244 if (xisnan (d)) |
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245 { |
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246 error ("conversion of NaN to integer value failed"); |
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247 return retval; |
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248 } |
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249 |
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250 retval = NINT (d); |
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251 } |
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252 else |
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253 gripe_wrong_type_arg ("octave_base_value::nint_value ()", type_name ()); |
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254 |
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255 return retval; |
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256 } |
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257 |
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258 double |
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259 octave_base_value::double_value (bool) const |
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260 { |
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261 double retval = lo_ieee_nan_value (); |
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262 gripe_wrong_type_arg ("octave_base_value::double_value ()", type_name ()); |
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263 return retval; |
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264 } |
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265 |
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266 Cell |
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267 octave_base_value::cell_value () const |
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268 { |
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269 Cell retval; |
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270 gripe_wrong_type_arg ("octave_base_value::cell_value()", type_name ()); |
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271 return retval; |
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272 } |
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273 |
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274 Matrix |
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275 octave_base_value::matrix_value (bool) const |
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276 { |
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277 Matrix retval; |
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278 gripe_wrong_type_arg ("octave_base_value::matrix_value()", type_name ()); |
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279 return retval; |
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280 } |
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281 |
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282 Complex |
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283 octave_base_value::complex_value (bool) const |
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284 { |
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285 double tmp = lo_ieee_nan_value (); |
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286 Complex retval (tmp, tmp); |
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287 gripe_wrong_type_arg ("octave_base_value::complex_value()", type_name ()); |
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288 return retval; |
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289 } |
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290 |
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291 ComplexMatrix |
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292 octave_base_value::complex_matrix_value (bool) const |
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293 { |
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294 ComplexMatrix retval; |
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295 gripe_wrong_type_arg ("octave_base_value::complex_matrix_value()", |
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296 type_name ()); |
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297 return retval; |
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298 } |
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299 |
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300 charMatrix |
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301 octave_base_value::char_matrix_value (bool) const |
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302 { |
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303 charMatrix retval; |
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304 |
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305 if (Vimplicit_num_to_str_ok) |
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306 { |
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307 octave_value tmp = convert_to_str (); |
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308 |
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309 if (! error_state) |
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310 retval = tmp.char_matrix_value (); |
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311 } |
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312 else |
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313 gripe_wrong_type_arg ("octave_base_value::char_matrix_value()", |
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314 type_name ()); |
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315 return retval; |
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316 } |
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317 |
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318 string_vector |
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319 octave_base_value::all_strings (void) const |
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320 { |
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321 string_vector retval; |
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322 |
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323 if (Vimplicit_num_to_str_ok) |
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324 { |
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325 octave_value tmp = convert_to_str (); |
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326 |
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327 if (! error_state) |
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328 retval = tmp.all_strings (); |
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329 } |
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330 else |
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331 gripe_wrong_type_arg ("octave_base_value::all_strings()", type_name ()); |
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332 |
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333 return retval; |
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334 } |
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335 |
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3536
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336 std::string |
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337 octave_base_value::string_value (void) const |
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338 { |
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339 std::string retval; |
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340 |
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341 if (Vimplicit_num_to_str_ok) |
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342 { |
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343 octave_value tmp = convert_to_str (); |
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344 |
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345 if (! error_state) |
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346 retval = tmp.string_value (); |
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347 } |
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348 else |
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349 gripe_wrong_type_arg ("octave_base_value::string_value()", type_name ()); |
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350 |
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351 return retval; |
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352 } |
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353 |
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354 Range |
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355 octave_base_value::range_value (void) const |
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356 { |
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357 Range retval; |
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358 gripe_wrong_type_arg ("octave_base_value::range_value()", type_name ()); |
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359 return retval; |
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360 } |
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361 |
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362 Octave_map |
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363 octave_base_value::map_value (void) const |
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364 { |
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365 Octave_map retval; |
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366 gripe_wrong_type_arg ("octave_base_value::map_value()", type_name ()); |
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367 return retval; |
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368 } |
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369 |
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370 string_vector |
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371 octave_base_value::map_keys (void) const |
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372 { |
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373 string_vector retval; |
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374 gripe_wrong_type_arg ("octave_base_value::map_keys()", type_name ()); |
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375 return retval; |
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376 } |
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377 |
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3340
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378 octave_stream |
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379 octave_base_value::stream_value (void) const |
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380 { |
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3340
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381 octave_stream retval; |
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382 gripe_wrong_type_arg ("octave_base_value::stream_value()", type_name ()); |
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383 return retval; |
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384 } |
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385 |
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386 int |
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387 octave_base_value::stream_number (void) const |
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388 { |
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389 int retval = -1; |
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390 gripe_wrong_type_arg ("octave_base_value::stream_number()", type_name ()); |
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391 return retval; |
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392 } |
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393 |
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2974
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394 octave_function * |
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395 octave_base_value::function_value (bool silent) |
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396 { |
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397 octave_function *retval = 0; |
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398 |
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399 if (! silent) |
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400 gripe_wrong_type_arg ("octave_base_value::function_value()", |
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401 type_name ()); |
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402 return retval; |
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403 } |
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404 |
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2882
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405 octave_value_list |
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406 octave_base_value::list_value (void) const |
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407 { |
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408 octave_value_list retval; |
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409 gripe_wrong_type_arg ("octave_base_value::list_value()", type_name ()); |
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410 return retval; |
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411 } |
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412 |
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2825
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413 bool |
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414 octave_base_value::bool_value (void) const |
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415 { |
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416 bool retval = false; |
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417 gripe_wrong_type_arg ("octave_base_value::bool_value()", type_name ()); |
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418 return retval; |
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419 } |
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420 |
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421 boolMatrix |
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422 octave_base_value::bool_matrix_value (void) const |
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423 { |
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424 boolMatrix retval; |
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425 gripe_wrong_type_arg ("octave_base_value::bool_matrix_value()", |
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426 type_name ()); |
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427 return retval; |
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428 } |
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429 |
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3203
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430 CONVDECLX (matrix_conv) |
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2376
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431 { |
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432 return new octave_matrix (); |
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433 } |
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434 |
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3203
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435 CONVDECLX (complex_matrix_conv) |
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2376
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436 { |
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437 return new octave_complex_matrix (); |
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438 } |
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439 |
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3203
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440 CONVDECLX (string_conv) |
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2376
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441 { |
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442 return new octave_char_matrix_str (); |
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443 } |
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444 |
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3928
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445 CONVDECLX (cell_conv) |
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446 { |
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447 return new octave_cell (); |
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448 } |
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449 |
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2376
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450 void |
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451 install_base_type_conversions (void) |
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452 { |
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453 INSTALL_ASSIGNCONV (octave_base_value, octave_scalar, octave_matrix); |
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454 INSTALL_ASSIGNCONV (octave_base_value, octave_matrix, octave_matrix); |
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455 INSTALL_ASSIGNCONV (octave_base_value, octave_complex, octave_complex_matrix); |
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456 INSTALL_ASSIGNCONV (octave_base_value, octave_complex_matrix, octave_complex_matrix); |
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457 INSTALL_ASSIGNCONV (octave_base_value, octave_range, octave_matrix); |
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458 INSTALL_ASSIGNCONV (octave_base_value, octave_char_matrix_str, octave_char_matrix_str); |
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3928
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459 INSTALL_ASSIGNCONV (octave_base_value, octave_cell, octave_cell); |
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2376
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460 |
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461 INSTALL_WIDENOP (octave_base_value, octave_matrix, matrix_conv); |
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462 INSTALL_WIDENOP (octave_base_value, octave_complex_matrix, complex_matrix_conv); |
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463 INSTALL_WIDENOP (octave_base_value, octave_char_matrix_str, string_conv); |
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3928
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464 INSTALL_WIDENOP (octave_base_value, octave_cell, cell_conv); |
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2376
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465 } |
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466 |
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467 /* |
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468 ;;; Local Variables: *** |
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469 ;;; mode: C++ *** |
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470 ;;; End: *** |
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471 */ |
