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1 /* |
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2 |
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2847
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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 <climits> |
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29 |
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3503
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30 #include <iostream> |
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31 |
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32 #include "Array-flags.h" |
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33 #include "lo-ieee.h" |
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4732
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34 #include "lo-mappers.h" |
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4649
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35 #include "so-array.h" |
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36 |
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37 #include "defun.h" |
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38 #include "gripes.h" |
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39 #include "oct-map.h" |
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2974
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40 #include "oct-obj.h" |
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2979
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41 #include "oct-lvalue.h" |
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3340
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42 #include "oct-stream.h" |
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43 #include "ops.h" |
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44 #include "ov-base.h" |
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3928
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45 #include "ov-cell.h" |
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46 #include "ov-ch-mat.h" |
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47 #include "ov-complex.h" |
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48 #include "ov-cx-mat.h" |
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3928
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49 #include "ov-list.h" |
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50 #include "ov-range.h" |
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51 #include "ov-re-mat.h" |
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52 #include "ov-scalar.h" |
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53 #include "ov-str-mat.h" |
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4343
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54 #include "ov-fcn-handle.h" |
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55 #include "parse.h" |
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56 #include "utils.h" |
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2948
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57 #include "variables.h" |
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58 |
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4612
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59 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_base_value, |
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60 "<unknown type>", "unknown"); |
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61 |
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62 // If TRUE, print the name along with the value. |
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63 static bool Vprint_answer_id_name; |
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64 |
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65 // If TRUE, turn off printing of results in functions (as if a |
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66 // semicolon has been appended to each statement). |
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67 static bool Vsilent_functions; |
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68 |
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69 octave_value |
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70 octave_base_value::squeeze (void) const |
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71 { |
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72 std::string nm = type_name (); |
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73 error ("squeeze: invalid operation for %s type", nm.c_str ()); |
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74 return octave_value (); |
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75 } |
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76 |
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77 octave_value |
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4247
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78 octave_base_value::subsref (const std::string&, |
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79 const std::list<octave_value_list>&) |
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3933
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80 { |
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81 std::string nm = type_name (); |
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82 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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83 return octave_value (); |
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84 } |
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85 |
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86 octave_value_list |
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87 octave_base_value::subsref (const std::string&, |
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4219
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88 const std::list<octave_value_list>&, int) |
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89 { |
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90 std::string nm = type_name (); |
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91 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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92 return octave_value (); |
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93 } |
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94 |
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95 octave_value |
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96 octave_base_value::do_index_op (const octave_value_list&, int) |
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97 { |
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98 std::string nm = type_name (); |
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99 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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100 return octave_value (); |
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101 } |
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102 |
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103 octave_value |
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104 octave_base_value::do_index_op (const octave_value_list& idx) |
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105 { |
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106 return do_index_op (idx, 0); |
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107 } |
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108 |
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109 octave_value_list |
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110 octave_base_value::do_multi_index_op (int, const octave_value_list&) |
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111 { |
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112 std::string nm = type_name (); |
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113 error ("can't perform indexing operations for %s type", nm.c_str ()); |
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114 return octave_value (); |
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115 } |
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116 |
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117 idx_vector |
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118 octave_base_value::index_vector (void) const |
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119 { |
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120 std::string nm = type_name (); |
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121 error ("%s type invalid as index value", nm.c_str ()); |
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122 return idx_vector (); |
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123 } |
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124 |
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125 int |
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126 octave_base_value::ndims (void) const |
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127 { |
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128 dim_vector dv = dims (); |
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129 |
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130 int n_dims = dv.length (); |
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131 |
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132 // Remove trailing singleton dimensions. |
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133 |
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134 for (int i = n_dims; i > 2; i--) |
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135 { |
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136 if (dv(i-1) == 1) |
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137 n_dims--; |
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138 else |
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139 break; |
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140 } |
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141 |
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142 // The result is always >= 2. |
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143 |
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144 if (n_dims < 2) |
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145 n_dims = 2; |
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146 |
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147 return n_dims; |
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148 } |
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149 |
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150 octave_value |
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151 octave_base_value::subsasgn (const std::string& type, |
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4219
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152 const std::list<octave_value_list>& idx, |
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153 const octave_value& rhs) |
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154 { |
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155 octave_value retval; |
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156 |
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3933
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157 if (is_defined ()) |
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158 { |
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4139
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159 if (is_numeric_type ()) |
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160 { |
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161 switch (type[0]) |
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162 { |
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163 case '(': |
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164 { |
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165 if (type.length () == 1) |
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166 retval = numeric_assign (type, idx, rhs); |
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167 else if (is_empty ()) |
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168 { |
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169 // Allow conversion of empty matrix to some other |
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170 // type in cases like |
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171 // |
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172 // x = []; x(i).f = rhs |
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173 |
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174 octave_value tmp = octave_value::empty_conv (type, rhs); |
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175 |
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176 retval = tmp.subsasgn (type, idx, rhs); |
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177 } |
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178 else |
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179 { |
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180 std::string nm = type_name (); |
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181 error ("in indexed assignment of %s, last rhs index must be ()", |
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182 nm.c_str ()); |
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183 } |
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184 } |
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185 break; |
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186 |
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187 case '{': |
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188 case '.': |
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189 { |
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190 std::string nm = type_name (); |
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191 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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192 } |
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193 break; |
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194 |
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195 default: |
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196 panic_impossible (); |
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197 } |
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198 } |
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199 else |
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200 { |
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201 std::string nm = type_name (); |
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202 error ("can't perform indexed assignment for %s type", nm.c_str ()); |
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203 } |
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204 } |
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205 else |
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206 { |
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207 // Create new object of appropriate type for given index and rhs |
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208 // types and then call subsasgn again for that object. |
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209 |
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210 octave_value tmp = octave_value::empty_conv (type, rhs); |
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211 |
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212 retval = tmp.subsasgn (type, idx, rhs); |
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213 } |
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214 |
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215 return retval; |
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216 } |
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217 |
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5602
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218 octave_idx_type |
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219 octave_base_value::nnz (void) const |
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220 { |
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221 gripe_wrong_type_arg ("octave_base_value::nnz ()", type_name ()); |
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222 return -1; |
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223 } |
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224 |
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225 octave_idx_type |
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226 octave_base_value::nzmax (void) const |
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227 { |
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228 gripe_wrong_type_arg ("octave_base_value::nzmax ()", type_name ()); |
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229 return -1; |
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230 } |
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231 |
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232 octave_value |
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233 octave_base_value::reshape (const dim_vector&) const |
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234 { |
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235 gripe_wrong_type_arg ("octave_base_value::reshape ()", type_name ()); |
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236 return octave_value (); |
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237 } |
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238 |
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239 octave_value |
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240 octave_base_value::permute (const Array<int>&, bool) const |
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241 { |
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242 gripe_wrong_type_arg ("octave_base_value::permute ()", type_name ()); |
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243 return octave_value (); |
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244 } |
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245 |
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246 octave_value |
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5731
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247 octave_base_value::resize (const dim_vector&, bool) const |
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4915
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248 { |
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249 gripe_wrong_type_arg ("octave_base_value::resize ()", type_name ()); |
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250 return octave_value (); |
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251 } |
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252 |
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253 octave_value |
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254 octave_base_value::all (int) const |
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255 { |
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256 return 0.0; |
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257 } |
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258 |
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259 octave_value |
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260 octave_base_value::any (int) const |
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261 { |
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262 return 0.0; |
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263 } |
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264 |
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265 octave_value |
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266 octave_base_value::convert_to_str (bool pad, bool force, char type) const |
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267 { |
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268 octave_value retval = convert_to_str_internal (pad, force, type); |
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269 |
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5781
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270 if (! force && is_numeric_type ()) |
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271 gripe_implicit_conversion ("Octave:num-to-str", |
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272 type_name (), retval.type_name ()); |
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273 |
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274 return retval; |
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275 } |
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276 |
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277 octave_value |
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5279
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278 octave_base_value::convert_to_str_internal (bool, bool, char) const |
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279 { |
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4452
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280 gripe_wrong_type_arg ("octave_base_value::convert_to_str_internal ()", |
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281 type_name ()); |
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282 return octave_value (); |
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283 } |
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284 |
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285 void |
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286 octave_base_value::convert_to_row_or_column_vector (void) |
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287 { |
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288 gripe_wrong_type_arg |
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289 ("octave_base_value::convert_to_row_or_column_vector ()", |
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290 type_name ()); |
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291 } |
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292 |
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293 void |
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3523
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294 octave_base_value::print (std::ostream&, bool) const |
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295 { |
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3195
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296 gripe_wrong_type_arg ("octave_base_value::print ()", type_name ()); |
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2376
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297 } |
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298 |
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2901
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299 void |
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3523
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300 octave_base_value::print_raw (std::ostream&, bool) const |
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2901
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301 { |
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3195
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302 gripe_wrong_type_arg ("octave_base_value::print_raw ()", type_name ()); |
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2901
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303 } |
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304 |
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305 bool |
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3523
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306 octave_base_value::print_name_tag (std::ostream& os, const std::string& name) const |
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2901
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307 { |
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4604
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308 bool retval = false; |
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309 |
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2901
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310 indent (os); |
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4604
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311 |
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312 if (print_as_scalar ()) |
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313 os << name << " = "; |
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314 else |
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315 { |
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316 os << name << " ="; |
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317 newline (os); |
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318 newline (os); |
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319 retval = true; |
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320 } |
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321 |
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322 return retval; |
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2901
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323 } |
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324 |
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3933
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325 void |
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5759
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326 octave_base_value::print_with_name (std::ostream& output_buf, |
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327 const std::string& name, |
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328 bool print_padding) const |
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329 { |
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330 if (! (evaluating_function_body && Vsilent_functions)) |
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331 { |
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332 bool pad_after = false; |
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333 |
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334 if (Vprint_answer_id_name) |
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335 pad_after = print_name_tag (output_buf, name); |
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336 |
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337 print (output_buf); |
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338 |
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339 if (print_padding && pad_after) |
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340 newline (output_buf); |
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341 } |
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342 } |
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343 |
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344 void |
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3933
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345 octave_base_value::print_info (std::ostream& os, |
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4661
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346 const std::string& /* prefix */) const |
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3933
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347 { |
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348 os << "no info for type: " << type_name () << "\n"; |
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349 } |
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350 |
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4254
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351 #define INT_CONV_METHOD(T, F, MIN_LIMIT, MAX_LIMIT) \ |
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352 T \ |
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353 octave_base_value::F ## _value (bool require_int, bool frc_str_conv) const \ |
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354 { \ |
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355 T retval = 0; \ |
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356 \ |
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357 double d = double_value (frc_str_conv); \ |
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358 \ |
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359 if (! error_state) \ |
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360 { \ |
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361 if (require_int && D_NINT (d) != d) \ |
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362 error ("conversion of %g to " #T " value failed", d); \ |
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5054
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363 else if (d < MIN_LIMIT) \ |
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364 retval = MIN_LIMIT; \ |
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365 else if (d > MAX_LIMIT) \ |
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366 retval = MAX_LIMIT; \ |
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4254
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367 else \ |
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4732
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368 retval = static_cast<T> (fix (d)); \ |
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4254
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369 } \ |
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370 else \ |
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371 gripe_wrong_type_arg ("octave_base_value::" #F "_value ()", \ |
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372 type_name ()); \ |
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373 \ |
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374 return retval; \ |
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375 } |
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3202
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376 |
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4254
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377 INT_CONV_METHOD (short int, short, SHRT_MIN, SHRT_MAX) |
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378 INT_CONV_METHOD (unsigned short int, ushort, 0, USHRT_MAX) |
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3202
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379 |
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4254
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380 INT_CONV_METHOD (int, int, INT_MIN, INT_MAX) |
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381 INT_CONV_METHOD (unsigned int, uint, 0, UINT_MAX) |
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3202
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382 |
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4254
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383 INT_CONV_METHOD (long int, long, LONG_MIN, LONG_MAX) |
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384 INT_CONV_METHOD (unsigned long int, ulong, 0, ULONG_MAX) |
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3202
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385 |
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386 int |
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387 octave_base_value::nint_value (bool frc_str_conv) const |
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388 { |
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389 int retval = 0; |
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390 |
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391 double d = double_value (frc_str_conv); |
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392 |
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393 if (! error_state) |
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394 { |
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395 if (xisnan (d)) |
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396 { |
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397 error ("conversion of NaN to integer value failed"); |
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398 return retval; |
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399 } |
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400 |
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4732
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401 retval = static_cast<int> (fix (d)); |
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3202
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402 } |
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403 else |
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404 gripe_wrong_type_arg ("octave_base_value::nint_value ()", type_name ()); |
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405 |
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406 return retval; |
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407 } |
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408 |
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2376
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409 double |
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410 octave_base_value::double_value (bool) const |
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411 { |
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4102
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412 double retval = lo_ieee_nan_value (); |
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2376
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413 gripe_wrong_type_arg ("octave_base_value::double_value ()", type_name ()); |
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414 return retval; |
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415 } |
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416 |
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3351
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417 Cell |
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3539
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418 octave_base_value::cell_value () const |
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3351
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419 { |
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420 Cell retval; |
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421 gripe_wrong_type_arg ("octave_base_value::cell_value()", type_name ()); |
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422 return retval; |
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423 } |
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424 |
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2376
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425 Matrix |
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426 octave_base_value::matrix_value (bool) const |
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427 { |
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428 Matrix retval; |
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429 gripe_wrong_type_arg ("octave_base_value::matrix_value()", type_name ()); |
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430 return retval; |
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431 } |
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432 |
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4507
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433 NDArray |
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4550
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434 octave_base_value::array_value (bool) const |
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4505
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435 { |
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4507
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436 NDArray retval; |
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4550
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437 gripe_wrong_type_arg ("octave_base_value::array_value()", type_name ()); |
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4505
|
438 return retval; |
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439 } |
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440 |
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2376
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441 Complex |
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442 octave_base_value::complex_value (bool) const |
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443 { |
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4102
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444 double tmp = lo_ieee_nan_value (); |
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445 Complex retval (tmp, tmp); |
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2376
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446 gripe_wrong_type_arg ("octave_base_value::complex_value()", type_name ()); |
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447 return retval; |
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448 } |
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449 |
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450 ComplexMatrix |
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451 octave_base_value::complex_matrix_value (bool) const |
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452 { |
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453 ComplexMatrix retval; |
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454 gripe_wrong_type_arg ("octave_base_value::complex_matrix_value()", |
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455 type_name ()); |
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456 return retval; |
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457 } |
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458 |
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4550
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459 ComplexNDArray |
|
|
460 octave_base_value::complex_array_value (bool) const |
|
|
461 { |
|
|
462 ComplexNDArray retval; |
|
|
463 gripe_wrong_type_arg ("octave_base_value::complex_array_value()", |
|
|
464 type_name ()); |
|
|
465 return retval; |
|
|
466 } |
|
|
467 |
|
|
468 bool |
|
|
469 octave_base_value::bool_value (void) const |
|
|
470 { |
|
|
471 bool retval = false; |
|
|
472 gripe_wrong_type_arg ("octave_base_value::bool_value()", type_name ()); |
|
|
473 return retval; |
|
|
474 } |
|
|
475 |
|
|
476 boolMatrix |
|
|
477 octave_base_value::bool_matrix_value (void) const |
|
|
478 { |
|
|
479 boolMatrix retval; |
|
|
480 gripe_wrong_type_arg ("octave_base_value::bool_matrix_value()", |
|
|
481 type_name ()); |
|
|
482 return retval; |
|
|
483 } |
|
|
484 |
|
|
485 boolNDArray |
|
4580
|
486 octave_base_value::bool_array_value (void) const |
|
4550
|
487 { |
|
|
488 boolNDArray retval; |
|
|
489 gripe_wrong_type_arg ("octave_base_value::bool_array_value()", |
|
|
490 type_name ()); |
|
|
491 return retval; |
|
|
492 } |
|
|
493 |
|
2376
|
494 charMatrix |
|
4741
|
495 octave_base_value::char_matrix_value (bool force) const |
|
2376
|
496 { |
|
|
497 charMatrix retval; |
|
4257
|
498 |
|
4741
|
499 octave_value tmp = convert_to_str (false, force); |
|
4257
|
500 |
|
4452
|
501 if (! error_state) |
|
|
502 retval = tmp.char_matrix_value (); |
|
|
503 |
|
2376
|
504 return retval; |
|
|
505 } |
|
|
506 |
|
4550
|
507 charNDArray |
|
|
508 octave_base_value::char_array_value (bool) const |
|
|
509 { |
|
|
510 charNDArray retval; |
|
|
511 gripe_wrong_type_arg ("octave_base_value::char_array_value()", |
|
|
512 type_name ()); |
|
|
513 return retval; |
|
|
514 } |
|
|
515 |
|
5164
|
516 SparseMatrix |
|
|
517 octave_base_value::sparse_matrix_value (bool) const |
|
|
518 { |
|
|
519 SparseMatrix retval; |
|
|
520 gripe_wrong_type_arg ("octave_base_value::sparse_matrix_value()", type_name ()); |
|
|
521 return retval; |
|
|
522 } |
|
|
523 |
|
|
524 SparseComplexMatrix |
|
|
525 octave_base_value::sparse_complex_matrix_value (bool) const |
|
|
526 { |
|
|
527 SparseComplexMatrix retval; |
|
|
528 gripe_wrong_type_arg ("octave_base_value::sparse_complex_matrix_value()", type_name ()); |
|
|
529 return retval; |
|
|
530 } |
|
|
531 |
|
|
532 SparseBoolMatrix |
|
|
533 octave_base_value::sparse_bool_matrix_value (bool) const |
|
|
534 { |
|
|
535 SparseBoolMatrix retval; |
|
|
536 gripe_wrong_type_arg ("octave_base_value::sparse_bool_matrix_value()", type_name ()); |
|
|
537 return retval; |
|
|
538 } |
|
|
539 |
|
4910
|
540 octave_int8 |
|
|
541 octave_base_value::int8_scalar_value (void) const |
|
|
542 { |
|
|
543 octave_int8 retval; |
|
|
544 gripe_wrong_type_arg ("octave_base_value::int8_scalar_value()", |
|
|
545 type_name ()); |
|
|
546 return retval; |
|
|
547 } |
|
|
548 |
|
|
549 octave_int16 |
|
|
550 octave_base_value::int16_scalar_value (void) const |
|
|
551 { |
|
|
552 octave_int16 retval; |
|
|
553 gripe_wrong_type_arg ("octave_base_value::int16_scalar_value()", |
|
|
554 type_name ()); |
|
|
555 return retval; |
|
|
556 } |
|
|
557 |
|
|
558 octave_int32 |
|
|
559 octave_base_value::int32_scalar_value (void) const |
|
|
560 { |
|
|
561 octave_int32 retval; |
|
|
562 gripe_wrong_type_arg ("octave_base_value::int32_scalar_value()", |
|
|
563 type_name ()); |
|
|
564 return retval; |
|
|
565 } |
|
|
566 |
|
|
567 octave_int64 |
|
|
568 octave_base_value::int64_scalar_value (void) const |
|
|
569 { |
|
|
570 octave_int64 retval; |
|
|
571 gripe_wrong_type_arg ("octave_base_value::int64_scalar_value()", |
|
|
572 type_name ()); |
|
|
573 return retval; |
|
|
574 } |
|
|
575 |
|
|
576 octave_uint8 |
|
|
577 octave_base_value::uint8_scalar_value (void) const |
|
|
578 { |
|
|
579 octave_uint8 retval; |
|
|
580 gripe_wrong_type_arg ("octave_base_value::uint8_scalar_value()", |
|
|
581 type_name ()); |
|
|
582 return retval; |
|
|
583 } |
|
|
584 |
|
|
585 octave_uint16 |
|
|
586 octave_base_value::uint16_scalar_value (void) const |
|
|
587 { |
|
|
588 octave_uint16 retval; |
|
|
589 gripe_wrong_type_arg ("octave_base_value::uint16_scalar_value()", |
|
|
590 type_name ()); |
|
|
591 return retval; |
|
|
592 } |
|
|
593 |
|
|
594 octave_uint32 |
|
|
595 octave_base_value::uint32_scalar_value (void) const |
|
|
596 { |
|
|
597 octave_uint32 retval; |
|
|
598 gripe_wrong_type_arg ("octave_base_value::uint32_scalar_value()", |
|
|
599 type_name ()); |
|
|
600 return retval; |
|
|
601 } |
|
|
602 |
|
|
603 octave_uint64 |
|
|
604 octave_base_value::uint64_scalar_value (void) const |
|
|
605 { |
|
|
606 octave_uint64 retval; |
|
|
607 gripe_wrong_type_arg ("octave_base_value::uint64_scalar_value()", |
|
|
608 type_name ()); |
|
|
609 return retval; |
|
|
610 } |
|
|
611 |
|
4906
|
612 int8NDArray |
|
|
613 octave_base_value::int8_array_value (void) const |
|
|
614 { |
|
|
615 int8NDArray retval; |
|
|
616 gripe_wrong_type_arg ("octave_base_value::int8_array_value()", |
|
|
617 type_name ()); |
|
4910
|
618 return retval; |
|
4906
|
619 } |
|
|
620 |
|
|
621 int16NDArray |
|
|
622 octave_base_value::int16_array_value (void) const |
|
|
623 { |
|
|
624 int16NDArray retval; |
|
|
625 gripe_wrong_type_arg ("octave_base_value::int16_array_value()", |
|
|
626 type_name ()); |
|
4910
|
627 return retval; |
|
4906
|
628 } |
|
|
629 |
|
|
630 int32NDArray |
|
|
631 octave_base_value::int32_array_value (void) const |
|
|
632 { |
|
|
633 int32NDArray retval; |
|
|
634 gripe_wrong_type_arg ("octave_base_value::int32_array_value()", |
|
|
635 type_name ()); |
|
4910
|
636 return retval; |
|
4906
|
637 } |
|
|
638 |
|
|
639 int64NDArray |
|
|
640 octave_base_value::int64_array_value (void) const |
|
|
641 { |
|
|
642 int64NDArray retval; |
|
|
643 gripe_wrong_type_arg ("octave_base_value::int64_array_value()", |
|
|
644 type_name ()); |
|
4910
|
645 return retval; |
|
4906
|
646 } |
|
|
647 |
|
|
648 uint8NDArray |
|
|
649 octave_base_value::uint8_array_value (void) const |
|
|
650 { |
|
|
651 uint8NDArray retval; |
|
|
652 gripe_wrong_type_arg ("octave_base_value::uint8_array_value()", |
|
|
653 type_name ()); |
|
4910
|
654 return retval; |
|
4906
|
655 } |
|
|
656 |
|
|
657 uint16NDArray |
|
|
658 octave_base_value::uint16_array_value (void) const |
|
|
659 { |
|
|
660 uint16NDArray retval; |
|
|
661 gripe_wrong_type_arg ("octave_base_value::uint16_array_value()", |
|
|
662 type_name ()); |
|
4910
|
663 return retval; |
|
4906
|
664 } |
|
|
665 |
|
|
666 uint32NDArray |
|
|
667 octave_base_value::uint32_array_value (void) const |
|
|
668 { |
|
|
669 uint32NDArray retval; |
|
|
670 gripe_wrong_type_arg ("octave_base_value::uint32_array_value()", |
|
|
671 type_name ()); |
|
4910
|
672 return retval; |
|
4906
|
673 } |
|
|
674 |
|
|
675 uint64NDArray |
|
|
676 octave_base_value::uint64_array_value (void) const |
|
|
677 { |
|
|
678 uint64NDArray retval; |
|
|
679 gripe_wrong_type_arg ("octave_base_value::uint64_array_value()", |
|
|
680 type_name ()); |
|
4910
|
681 return retval; |
|
4906
|
682 } |
|
|
683 |
|
2493
|
684 string_vector |
|
5715
|
685 octave_base_value::all_strings (bool pad) const |
|
2376
|
686 { |
|
2493
|
687 string_vector retval; |
|
4257
|
688 |
|
5715
|
689 octave_value tmp = convert_to_str (pad, true); |
|
4257
|
690 |
|
4452
|
691 if (! error_state) |
|
|
692 retval = tmp.all_strings (); |
|
4257
|
693 |
|
2376
|
694 return retval; |
|
|
695 } |
|
|
696 |
|
3536
|
697 std::string |
|
4457
|
698 octave_base_value::string_value (bool force) const |
|
2376
|
699 { |
|
3523
|
700 std::string retval; |
|
4257
|
701 |
|
4457
|
702 octave_value tmp = convert_to_str (force); |
|
4257
|
703 |
|
4452
|
704 if (! error_state) |
|
|
705 retval = tmp.string_value (); |
|
4257
|
706 |
|
2376
|
707 return retval; |
|
|
708 } |
|
|
709 |
|
|
710 Range |
|
|
711 octave_base_value::range_value (void) const |
|
|
712 { |
|
|
713 Range retval; |
|
|
714 gripe_wrong_type_arg ("octave_base_value::range_value()", type_name ()); |
|
|
715 return retval; |
|
|
716 } |
|
|
717 |
|
|
718 Octave_map |
|
|
719 octave_base_value::map_value (void) const |
|
|
720 { |
|
|
721 Octave_map retval; |
|
|
722 gripe_wrong_type_arg ("octave_base_value::map_value()", type_name ()); |
|
|
723 return retval; |
|
|
724 } |
|
|
725 |
|
3933
|
726 string_vector |
|
|
727 octave_base_value::map_keys (void) const |
|
|
728 { |
|
|
729 string_vector retval; |
|
|
730 gripe_wrong_type_arg ("octave_base_value::map_keys()", type_name ()); |
|
|
731 return retval; |
|
|
732 } |
|
|
733 |
|
4645
|
734 std::streamoff |
|
4643
|
735 octave_base_value::streamoff_value (void) const |
|
|
736 { |
|
4649
|
737 std::streamoff retval (-1); |
|
4645
|
738 gripe_wrong_type_arg ("octave_base_value::streamoff_value()", type_name ()); |
|
|
739 return retval; |
|
|
740 } |
|
|
741 |
|
|
742 streamoff_array |
|
|
743 octave_base_value::streamoff_array_value (void) const |
|
|
744 { |
|
4643
|
745 streamoff_array retval; |
|
4645
|
746 gripe_wrong_type_arg ("octave_base_value::streamoff_array_value()", |
|
|
747 type_name ()); |
|
4643
|
748 return retval; |
|
|
749 } |
|
|
750 |
|
2974
|
751 octave_function * |
|
|
752 octave_base_value::function_value (bool silent) |
|
|
753 { |
|
|
754 octave_function *retval = 0; |
|
|
755 |
|
|
756 if (! silent) |
|
|
757 gripe_wrong_type_arg ("octave_base_value::function_value()", |
|
|
758 type_name ()); |
|
|
759 return retval; |
|
|
760 } |
|
|
761 |
|
4700
|
762 octave_user_function * |
|
|
763 octave_base_value::user_function_value (bool silent) |
|
|
764 { |
|
|
765 octave_user_function *retval = 0; |
|
|
766 |
|
|
767 if (! silent) |
|
|
768 gripe_wrong_type_arg ("octave_base_value::user_function_value()", |
|
|
769 type_name ()); |
|
|
770 return retval; |
|
|
771 } |
|
|
772 |
|
4346
|
773 octave_fcn_handle * |
|
4343
|
774 octave_base_value::fcn_handle_value (bool silent) |
|
|
775 { |
|
4346
|
776 octave_fcn_handle *retval = 0; |
|
4343
|
777 |
|
|
778 if (! silent) |
|
|
779 gripe_wrong_type_arg ("octave_base_value::fcn_handle_value()", |
|
|
780 type_name ()); |
|
|
781 return retval; |
|
|
782 } |
|
|
783 |
|
4933
|
784 octave_fcn_inline * |
|
|
785 octave_base_value::fcn_inline_value (bool silent) |
|
|
786 { |
|
|
787 octave_fcn_inline *retval = 0; |
|
|
788 |
|
|
789 if (! silent) |
|
|
790 gripe_wrong_type_arg ("octave_base_value::fcn_inline_value()", |
|
|
791 type_name ()); |
|
|
792 return retval; |
|
|
793 } |
|
|
794 |
|
2882
|
795 octave_value_list |
|
|
796 octave_base_value::list_value (void) const |
|
|
797 { |
|
|
798 octave_value_list retval; |
|
|
799 gripe_wrong_type_arg ("octave_base_value::list_value()", type_name ()); |
|
|
800 return retval; |
|
|
801 } |
|
|
802 |
|
4687
|
803 bool |
|
|
804 octave_base_value::save_ascii (std::ostream&, bool&, bool) |
|
|
805 { |
|
|
806 gripe_wrong_type_arg ("octave_base_value::save_ascii()", type_name ()); |
|
|
807 return false; |
|
|
808 } |
|
|
809 |
|
|
810 bool |
|
|
811 octave_base_value::load_ascii (std::istream&) |
|
|
812 { |
|
|
813 gripe_wrong_type_arg ("octave_base_value::load_ascii()", type_name ()); |
|
|
814 return false; |
|
|
815 } |
|
|
816 |
|
|
817 bool |
|
|
818 octave_base_value::save_binary (std::ostream&, bool&) |
|
|
819 { |
|
|
820 gripe_wrong_type_arg ("octave_base_value::save_binary()", type_name ()); |
|
|
821 return false; |
|
|
822 } |
|
|
823 |
|
|
824 bool |
|
|
825 octave_base_value::load_binary (std::istream&, bool, |
|
|
826 oct_mach_info::float_format) |
|
|
827 { |
|
|
828 gripe_wrong_type_arg ("octave_base_value::load_binary()", type_name ()); |
|
|
829 return false; |
|
|
830 } |
|
|
831 |
|
|
832 #if defined (HAVE_HDF5) |
|
4944
|
833 |
|
4687
|
834 bool |
|
|
835 octave_base_value::save_hdf5 (hid_t, const char *, bool) |
|
|
836 { |
|
|
837 gripe_wrong_type_arg ("octave_base_value::save_binary()", type_name ()); |
|
|
838 |
|
|
839 return false; |
|
|
840 } |
|
|
841 |
|
|
842 bool |
|
|
843 octave_base_value::load_hdf5 (hid_t, const char *, bool) |
|
|
844 { |
|
|
845 gripe_wrong_type_arg ("octave_base_value::load_binary()", type_name ()); |
|
|
846 |
|
|
847 return false; |
|
|
848 } |
|
4944
|
849 |
|
4687
|
850 #endif |
|
|
851 |
|
4944
|
852 int |
|
|
853 octave_base_value::write (octave_stream&, int, oct_data_conv::data_type, |
|
|
854 int, oct_mach_info::float_format) const |
|
|
855 { |
|
|
856 gripe_wrong_type_arg ("octave_base_value::write()", type_name ()); |
|
|
857 |
|
|
858 return false; |
|
|
859 } |
|
|
860 |
|
5759
|
861 static void |
|
|
862 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
|
863 { |
|
|
864 error ("assignment of `%s' to indexed `%s' not implemented", |
|
|
865 tn2.c_str (), tn1.c_str ()); |
|
|
866 } |
|
|
867 |
|
|
868 static void |
|
|
869 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
870 const std::string& tn2) |
|
|
871 { |
|
|
872 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
|
873 tn2.c_str (), tn1.c_str ()); |
|
|
874 } |
|
|
875 |
|
|
876 static void |
|
|
877 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
878 const std::string& tn2) |
|
|
879 { |
|
|
880 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
881 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
|
882 } |
|
|
883 |
|
|
884 octave_value |
|
|
885 octave_base_value::numeric_assign (const std::string& type, |
|
|
886 const std::list<octave_value_list>& idx, |
|
|
887 const octave_value& rhs) |
|
|
888 { |
|
|
889 octave_value retval; |
|
|
890 |
|
|
891 int t_lhs = type_id (); |
|
|
892 int t_rhs = rhs.type_id (); |
|
|
893 |
|
|
894 octave_value_typeinfo::assign_op_fcn f |
|
|
895 = octave_value_typeinfo::lookup_assign_op (octave_value::op_asn_eq, |
|
|
896 t_lhs, t_rhs); |
|
|
897 |
|
|
898 bool done = false; |
|
|
899 |
|
|
900 if (f) |
|
|
901 { |
|
|
902 f (*this, idx.front (), rhs.get_rep ()); |
|
|
903 |
|
|
904 done = (! error_state); |
|
|
905 } |
|
|
906 |
|
|
907 if (done) |
|
|
908 { |
|
|
909 count++; |
|
|
910 retval = octave_value (this); |
|
|
911 } |
|
|
912 else |
|
|
913 { |
|
|
914 int t_result |
|
|
915 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
916 |
|
|
917 if (t_result >= 0) |
|
|
918 { |
|
|
919 octave_base_value::type_conv_fcn cf |
|
|
920 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
921 |
|
|
922 if (cf) |
|
|
923 { |
|
|
924 octave_base_value *tmp (cf (*this)); |
|
|
925 |
|
|
926 if (tmp) |
|
|
927 { |
|
|
928 retval = tmp->subsasgn (type, idx, rhs); |
|
|
929 |
|
|
930 done = (! error_state); |
|
|
931 } |
|
|
932 else |
|
|
933 gripe_assign_conversion_failed (type_name (), |
|
|
934 rhs.type_name ()); |
|
|
935 } |
|
|
936 else |
|
|
937 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
938 } |
|
|
939 |
|
|
940 if (! (done || error_state)) |
|
|
941 { |
|
|
942 octave_value tmp_rhs; |
|
|
943 |
|
|
944 octave_base_value::type_conv_fcn cf_rhs |
|
|
945 = rhs.numeric_conversion_function (); |
|
|
946 |
|
|
947 if (cf_rhs) |
|
|
948 { |
|
|
949 octave_base_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
950 |
|
|
951 if (tmp) |
|
|
952 tmp_rhs = octave_value (tmp); |
|
|
953 else |
|
|
954 { |
|
|
955 gripe_assign_conversion_failed (type_name (), |
|
|
956 rhs.type_name ()); |
|
|
957 return octave_value (); |
|
|
958 } |
|
|
959 } |
|
|
960 else |
|
|
961 tmp_rhs = rhs; |
|
|
962 |
|
|
963 octave_base_value::type_conv_fcn cf_this |
|
|
964 = numeric_conversion_function (); |
|
|
965 |
|
|
966 octave_base_value *tmp_lhs = this; |
|
|
967 |
|
|
968 if (cf_this) |
|
|
969 { |
|
|
970 octave_base_value *tmp = cf_this (*this); |
|
|
971 |
|
|
972 if (tmp) |
|
|
973 tmp_lhs = tmp; |
|
|
974 else |
|
|
975 { |
|
|
976 gripe_assign_conversion_failed (type_name (), |
|
|
977 rhs.type_name ()); |
|
|
978 return octave_value (); |
|
|
979 } |
|
|
980 } |
|
|
981 |
|
|
982 if (cf_this || cf_rhs) |
|
|
983 { |
|
|
984 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
985 |
|
|
986 done = (! error_state); |
|
|
987 } |
|
|
988 else |
|
|
989 gripe_no_conversion (octave_value::assign_op_as_string (octave_value::op_asn_eq), |
|
|
990 type_name (), rhs.type_name ()); |
|
|
991 } |
|
|
992 } |
|
|
993 |
|
|
994 // The assignment may have converted to a type that is wider than |
|
|
995 // necessary. |
|
|
996 |
|
|
997 retval.maybe_mutate (); |
|
|
998 |
|
|
999 return retval; |
|
|
1000 } |
|
|
1001 |
|
|
1002 // Current indentation. |
|
|
1003 int octave_base_value::curr_print_indent_level = 0; |
|
|
1004 |
|
|
1005 // TRUE means we are at the beginning of a line. |
|
|
1006 bool octave_base_value::beginning_of_line = true; |
|
|
1007 |
|
|
1008 // Each print() function should call this before printing anything. |
|
|
1009 // |
|
|
1010 // This doesn't need to be fast, but isn't there a better way? |
|
|
1011 |
|
|
1012 void |
|
|
1013 octave_base_value::indent (std::ostream& os) const |
|
|
1014 { |
|
|
1015 assert (curr_print_indent_level >= 0); |
|
|
1016 |
|
|
1017 if (beginning_of_line) |
|
|
1018 { |
|
5775
|
1019 // FIXME -- do we need this? |
|
5759
|
1020 // os << prefix; |
|
|
1021 |
|
|
1022 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1023 os << " "; |
|
|
1024 |
|
|
1025 beginning_of_line = false; |
|
|
1026 } |
|
|
1027 } |
|
|
1028 |
|
|
1029 // All print() functions should use this to print new lines. |
|
|
1030 |
|
|
1031 void |
|
|
1032 octave_base_value::newline (std::ostream& os) const |
|
|
1033 { |
|
|
1034 os << "\n"; |
|
|
1035 |
|
|
1036 beginning_of_line = true; |
|
|
1037 } |
|
|
1038 |
|
|
1039 // For ressetting print state. |
|
|
1040 |
|
|
1041 void |
|
|
1042 octave_base_value::reset (void) const |
|
|
1043 { |
|
|
1044 beginning_of_line = true; |
|
|
1045 curr_print_indent_level = 0; |
|
|
1046 } |
|
|
1047 |
|
3203
|
1048 CONVDECLX (matrix_conv) |
|
2376
|
1049 { |
|
|
1050 return new octave_matrix (); |
|
|
1051 } |
|
|
1052 |
|
3203
|
1053 CONVDECLX (complex_matrix_conv) |
|
2376
|
1054 { |
|
|
1055 return new octave_complex_matrix (); |
|
|
1056 } |
|
|
1057 |
|
3203
|
1058 CONVDECLX (string_conv) |
|
2376
|
1059 { |
|
|
1060 return new octave_char_matrix_str (); |
|
|
1061 } |
|
|
1062 |
|
3928
|
1063 CONVDECLX (cell_conv) |
|
|
1064 { |
|
|
1065 return new octave_cell (); |
|
|
1066 } |
|
|
1067 |
|
2376
|
1068 void |
|
|
1069 install_base_type_conversions (void) |
|
|
1070 { |
|
|
1071 INSTALL_ASSIGNCONV (octave_base_value, octave_scalar, octave_matrix); |
|
|
1072 INSTALL_ASSIGNCONV (octave_base_value, octave_matrix, octave_matrix); |
|
|
1073 INSTALL_ASSIGNCONV (octave_base_value, octave_complex, octave_complex_matrix); |
|
|
1074 INSTALL_ASSIGNCONV (octave_base_value, octave_complex_matrix, octave_complex_matrix); |
|
|
1075 INSTALL_ASSIGNCONV (octave_base_value, octave_range, octave_matrix); |
|
|
1076 INSTALL_ASSIGNCONV (octave_base_value, octave_char_matrix_str, octave_char_matrix_str); |
|
3928
|
1077 INSTALL_ASSIGNCONV (octave_base_value, octave_cell, octave_cell); |
|
2376
|
1078 |
|
|
1079 INSTALL_WIDENOP (octave_base_value, octave_matrix, matrix_conv); |
|
|
1080 INSTALL_WIDENOP (octave_base_value, octave_complex_matrix, complex_matrix_conv); |
|
|
1081 INSTALL_WIDENOP (octave_base_value, octave_char_matrix_str, string_conv); |
|
3928
|
1082 INSTALL_WIDENOP (octave_base_value, octave_cell, cell_conv); |
|
2376
|
1083 } |
|
|
1084 |
|
5759
|
1085 static int |
|
|
1086 print_answer_id_name (void) |
|
|
1087 { |
|
|
1088 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1089 |
|
|
1090 return 0; |
|
|
1091 } |
|
|
1092 |
|
|
1093 static int |
|
|
1094 silent_functions (void) |
|
|
1095 { |
|
|
1096 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1097 |
|
|
1098 return 0; |
|
|
1099 } |
|
|
1100 |
|
|
1101 void |
|
|
1102 symbols_of_ov_base (void) |
|
|
1103 { |
|
|
1104 DEFVAR (print_answer_id_name, true, print_answer_id_name, |
|
|
1105 "-*- texinfo -*-\n\ |
|
|
1106 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1107 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1108 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1109 values are printed. The default value is 1.\n\ |
|
|
1110 @end defvr"); |
|
|
1111 |
|
|
1112 DEFVAR (silent_functions, false, silent_functions, |
|
|
1113 "-*- texinfo -*-\n\ |
|
|
1114 @defvr {Built-in Variable} silent_functions\n\ |
|
|
1115 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
1116 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
1117 within a function body that are not terminated with a semicolon will\n\ |
|
|
1118 have their values printed. The default value is 0.\n\ |
|
|
1119 \n\ |
|
|
1120 For example, if the function\n\ |
|
|
1121 \n\ |
|
|
1122 @example\n\ |
|
|
1123 function f ()\n\ |
|
|
1124 2 + 2\n\ |
|
|
1125 endfunction\n\ |
|
|
1126 @end example\n\ |
|
|
1127 \n\ |
|
|
1128 @noindent\n\ |
|
|
1129 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
1130 depending on the value of @code{silent_functions}.\n\ |
|
|
1131 @end defvr"); |
|
|
1132 } |
|
|
1133 |
|
2376
|
1134 /* |
|
|
1135 ;;; Local Variables: *** |
|
|
1136 ;;; mode: C++ *** |
|
|
1137 ;;; End: *** |
|
|
1138 */ |
