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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_value_h) |
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24 #define octave_value_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <cstdlib> |
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31 |
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32 #include <iostream> |
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33 #include <string> |
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34 #include <list> |
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35 |
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36 #include "Range.h" |
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37 #include "idx-vector.h" |
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38 #include "mx-base.h" |
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39 #include "oct-alloc.h" |
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40 #include "str-vec.h" |
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41 |
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42 class Cell; |
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43 class Octave_map; |
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44 class octave_stream; |
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45 class octave_function; |
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46 class octave_value_list; |
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47 class octave_lvalue; |
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48 |
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49 // Constants. |
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50 |
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51 // This just provides a way to avoid infinite recursion when building |
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52 // octave_value objects. |
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53 |
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54 class |
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55 octave_xvalue |
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56 { |
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57 public: |
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58 |
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59 octave_xvalue (void) { } |
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60 }; |
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61 |
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62 class octave_value; |
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63 |
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64 // XXX FIXME XXX -- these should probably really be inside the scope |
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65 // of the octave_value class, but the cygwin32 beta16 version of g++ |
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66 // can't handle that. |
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67 |
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68 typedef octave_value (*unary_op_fcn) |
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69 (const octave_value&); |
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70 |
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71 typedef void (*non_const_unary_op_fcn) |
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72 (octave_value&); |
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73 |
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74 typedef octave_value (*binary_op_fcn) |
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75 (const octave_value&, const octave_value&); |
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76 |
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77 typedef octave_value (*assign_op_fcn) |
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78 (octave_value&, const octave_value_list&, const octave_value&); |
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79 |
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80 typedef octave_value * (*type_conv_fcn) (const octave_value&); |
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81 |
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82 class |
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83 octave_value |
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84 { |
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85 public: |
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86 |
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87 enum unary_op |
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88 { |
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89 op_not, |
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90 op_uminus, |
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91 op_transpose, |
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92 op_hermitian, |
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93 op_incr, |
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94 op_decr, |
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95 num_unary_ops, |
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96 unknown_unary_op |
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97 }; |
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98 |
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99 enum binary_op |
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100 { |
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101 op_add, |
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102 op_sub, |
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103 op_mul, |
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104 op_div, |
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105 op_pow, |
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106 op_ldiv, |
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107 op_lshift, |
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108 op_rshift, |
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109 op_lt, |
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110 op_le, |
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111 op_eq, |
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112 op_ge, |
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113 op_gt, |
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114 op_ne, |
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115 op_el_mul, |
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116 op_el_div, |
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117 op_el_pow, |
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118 op_el_ldiv, |
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119 op_el_and, |
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120 op_el_or, |
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121 op_struct_ref, |
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122 num_binary_ops, |
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123 unknown_binary_op |
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124 }; |
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125 |
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126 enum assign_op |
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127 { |
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128 op_asn_eq, |
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129 op_add_eq, |
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130 op_sub_eq, |
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131 op_mul_eq, |
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132 op_div_eq, |
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133 op_ldiv_eq, |
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134 op_pow_eq, |
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135 op_lshift_eq, |
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136 op_rshift_eq, |
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137 op_el_mul_eq, |
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138 op_el_div_eq, |
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139 op_el_ldiv_eq, |
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140 op_el_pow_eq, |
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141 op_el_and_eq, |
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142 op_el_or_eq, |
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143 num_assign_ops, |
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144 unknown_assign_op |
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145 }; |
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146 |
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147 static std::string unary_op_as_string (unary_op); |
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148 |
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149 static std::string binary_op_as_string (binary_op); |
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150 |
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151 static std::string assign_op_as_string (assign_op); |
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152 |
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153 static octave_value empty_conv (const std::string& type, |
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154 const octave_value& rhs = octave_value ()); |
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155 |
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156 enum magic_colon { magic_colon_t }; |
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157 enum all_va_args { all_va_args_t }; |
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158 |
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159 octave_value (void); |
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160 octave_value (double d); |
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161 octave_value (const Cell& m); |
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162 octave_value (const Matrix& m); |
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163 octave_value (const DiagMatrix& d); |
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164 octave_value (const RowVector& v); |
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165 octave_value (const ColumnVector& v); |
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166 octave_value (const Complex& C); |
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167 octave_value (const ComplexMatrix& m); |
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168 octave_value (const ComplexDiagMatrix& d); |
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169 octave_value (const ComplexRowVector& v); |
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170 octave_value (const ComplexColumnVector& v); |
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171 octave_value (bool b); |
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172 octave_value (const boolMatrix& bm); |
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173 octave_value (char c); |
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174 octave_value (const char *s); |
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175 octave_value (const std::string& s); |
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176 octave_value (const string_vector& s); |
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177 octave_value (const charMatrix& chm, bool is_string = false); |
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178 octave_value (double base, double limit, double inc); |
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179 octave_value (const Range& r); |
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180 octave_value (const Octave_map& m); |
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181 octave_value (const octave_stream& s, int n); |
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182 octave_value (octave_function *f); |
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183 octave_value (const octave_value_list& m, bool is_cs_list = false); |
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184 octave_value (octave_value::magic_colon); |
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185 octave_value (octave_value::all_va_args); |
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186 |
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187 octave_value (octave_value *new_rep, int count = 1); |
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188 |
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189 // Copy constructor. |
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190 |
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191 octave_value (const octave_value& a) |
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192 { |
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193 rep = a.rep; |
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194 rep->count++; |
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195 } |
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196 |
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197 // This should only be called for derived types. |
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198 |
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199 virtual octave_value *clone (void) const; |
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200 |
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201 virtual octave_value *empty_clone (void) const |
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202 { return rep->empty_clone (); } |
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203 |
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204 // Delete the representation of this constant if the count drops to |
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205 // zero. |
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206 |
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207 virtual ~octave_value (void); |
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208 |
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209 void make_unique (void) |
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210 { |
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211 if (rep->count > 1) |
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212 { |
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213 --rep->count; |
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214 rep = rep->clone (); |
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215 rep->count = 1; |
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216 } |
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217 } |
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218 |
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219 // Simple assignment. |
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220 |
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221 octave_value& operator = (const octave_value& a) |
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222 { |
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223 if (rep != a.rep) |
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224 { |
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225 if (--rep->count == 0) |
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226 delete rep; |
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227 |
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228 rep = a.rep; |
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229 rep->count++; |
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230 } |
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231 |
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232 return *this; |
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233 } |
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234 |
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235 int get_count (void) const { return rep->count; } |
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236 |
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237 virtual type_conv_fcn numeric_conversion_function (void) const |
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238 { return rep->numeric_conversion_function (); } |
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239 |
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240 void maybe_mutate (void); |
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241 |
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242 virtual octave_value *try_narrowing_conversion (void) |
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243 { return rep->try_narrowing_conversion (); } |
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244 |
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245 virtual octave_value subsref (const std::string type, |
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246 const std::list<octave_value_list>& idx) |
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247 { return rep->subsref (type, idx); } |
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248 |
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249 octave_value subsref (const std::string type, const octave_value_list& idx) |
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250 { |
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251 std::list<octave_value_list> i; |
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252 |
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253 i.push_back (idx); |
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254 |
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255 return rep->subsref (type, i); |
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256 } |
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257 |
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258 virtual octave_value_list subsref (const std::string type, |
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259 const std::list<octave_value_list>& idx, |
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260 int nargout); |
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261 |
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262 octave_value next_subsref (const std::string type, const |
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263 std::list<octave_value_list>& idx, |
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264 int skip = 1); |
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265 |
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266 virtual octave_value do_index_op (const octave_value_list& idx, |
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267 int resize_ok) |
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268 { return rep->do_index_op (idx, resize_ok); } |
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269 |
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270 octave_value do_index_op (const octave_value_list& idx) |
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271 { return do_index_op (idx, 0); } |
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272 |
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273 virtual octave_value_list |
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274 do_multi_index_op (int nargout, const octave_value_list& idx); |
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275 |
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276 virtual octave_value subsasgn (const std::string type, |
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277 const std::list<octave_value_list>& idx, |
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278 const octave_value& rhs); |
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279 |
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280 octave_value assign (assign_op op, const std::string type, |
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281 const std::list<octave_value_list>& idx, |
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282 const octave_value& rhs); |
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283 |
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284 const octave_value& assign (assign_op, const octave_value& rhs); |
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285 |
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286 virtual idx_vector index_vector (void) const |
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287 { return rep->index_vector (); } |
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288 |
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289 // Size. |
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290 |
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291 virtual int rows (void) const |
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292 { return rep->rows (); } |
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293 |
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294 virtual int columns (void) const |
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295 { return rep->columns (); } |
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296 |
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297 virtual int length (void) const |
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298 { return rep->length (); } |
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299 |
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300 // Does this constant have a type? Both of these are provided since |
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301 // it is sometimes more natural to write is_undefined() instead of |
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302 // ! is_defined(). |
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303 |
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304 virtual bool is_defined (void) const |
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305 { return rep->is_defined (); } |
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306 |
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307 bool is_undefined (void) const |
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308 { return ! is_defined (); } |
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309 |
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310 virtual bool is_cell (void) const |
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311 { return rep->is_cell (); } |
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312 |
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313 virtual bool is_real_scalar (void) const |
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314 { return rep->is_real_scalar (); } |
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315 |
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316 virtual bool is_real_matrix (void) const |
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317 { return rep->is_real_matrix (); } |
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318 |
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319 virtual bool is_complex_scalar (void) const |
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320 { return rep->is_complex_scalar (); } |
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321 |
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322 virtual bool is_complex_matrix (void) const |
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323 { return rep->is_complex_matrix (); } |
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324 |
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325 virtual bool is_char_matrix (void) const |
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326 { return rep->is_char_matrix (); } |
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327 |
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328 virtual bool is_string (void) const |
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329 { return rep->is_string (); } |
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330 |
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331 virtual bool is_range (void) const |
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332 { return rep->is_range (); } |
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333 |
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334 virtual bool is_map (void) const |
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335 { return rep->is_map (); } |
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336 |
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337 virtual bool is_stream (void) const |
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338 { return rep->is_stream (); } |
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339 |
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340 virtual bool is_cs_list (void) const |
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341 { return rep->is_cs_list (); } |
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342 |
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343 virtual bool is_list (void) const |
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344 { return rep->is_list (); } |
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345 |
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346 virtual bool is_magic_colon (void) const |
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347 { return rep->is_magic_colon (); } |
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348 |
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349 virtual bool is_all_va_args (void) const |
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350 { return rep->is_all_va_args (); } |
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351 |
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352 // Are any or all of the elements in this constant nonzero? |
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353 |
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354 virtual octave_value all (int dim = 0) const |
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355 { return rep->all (dim); } |
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356 |
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357 virtual octave_value any (int dim = 0) const |
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358 { return rep->any (dim); } |
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359 |
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360 // Other type stuff. |
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361 |
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362 virtual bool is_bool_type (void) const |
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363 { return rep->is_bool_type (); } |
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364 |
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365 virtual bool is_real_type (void) const |
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366 { return rep->is_real_type (); } |
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367 |
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368 virtual bool is_complex_type (void) const |
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369 { return rep->is_complex_type (); } |
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370 |
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371 virtual bool is_scalar_type (void) const |
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372 { return rep->is_scalar_type (); } |
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373 |
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374 virtual bool is_matrix_type (void) const |
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375 { return rep->is_matrix_type (); } |
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376 |
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377 virtual bool is_numeric_type (void) const |
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378 { return rep->is_numeric_type (); } |
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379 |
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380 virtual bool valid_as_scalar_index (void) const |
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381 { return rep->valid_as_scalar_index (); } |
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382 |
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383 virtual bool valid_as_zero_index (void) const |
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384 { return rep->valid_as_zero_index (); } |
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385 |
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386 // Does this constant correspond to a truth value? |
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387 |
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388 virtual bool is_true (void) const |
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389 { return rep->is_true (); } |
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390 |
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391 // Is at least one of the dimensions of this constant zero? |
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392 |
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393 virtual bool is_empty (void) const |
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394 { return rep->is_empty (); } |
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395 |
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396 // Are the dimensions of this constant zero by zero? |
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397 |
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398 virtual bool is_zero_by_zero (void) const |
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399 { return rep->is_zero_by_zero (); } |
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400 |
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401 virtual bool is_constant (void) const |
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402 { return rep->is_constant (); } |
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403 |
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404 virtual bool is_function (void) const |
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405 { return rep->is_function (); } |
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406 |
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407 virtual bool is_builtin_function (void) const |
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408 { return rep->is_builtin_function (); } |
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409 |
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410 virtual bool is_dld_function (void) const |
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411 { return rep->is_dld_function (); } |
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412 |
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413 // Values. |
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414 |
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415 octave_value eval (void) { return *this; } |
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416 |
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417 virtual int int_value (bool req_int = false, bool frc_str_conv = false) const |
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418 { return rep->int_value (req_int, frc_str_conv); } |
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419 |
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420 virtual int nint_value (bool frc_str_conv = false) const |
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421 { return rep->nint_value (frc_str_conv); } |
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422 |
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423 virtual double double_value (bool frc_str_conv = false) const |
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424 { return rep->double_value (frc_str_conv); } |
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425 |
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426 virtual double scalar_value (bool frc_str_conv = false) const |
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427 { return rep->scalar_value (frc_str_conv); } |
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428 |
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429 virtual Cell cell_value (void) const; |
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430 |
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431 virtual Matrix matrix_value (bool frc_str_conv = false) const |
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432 { return rep->matrix_value (frc_str_conv); } |
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433 |
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434 virtual Complex complex_value (bool frc_str_conv = false) const |
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435 { return rep->complex_value (frc_str_conv); } |
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436 |
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437 virtual ComplexMatrix complex_matrix_value (bool frc_str_conv = false) const |
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438 { return rep->complex_matrix_value (frc_str_conv); } |
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439 |
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440 virtual charMatrix char_matrix_value (bool frc_str_conv = false) const |
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441 { return rep->char_matrix_value (frc_str_conv); } |
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442 |
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443 virtual string_vector all_strings (void) const |
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444 { return rep->all_strings (); } |
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445 |
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446 virtual std::string string_value (void) const |
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447 { return rep->string_value (); } |
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448 |
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449 virtual Range range_value (void) const |
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450 { return rep->range_value (); } |
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451 |
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452 virtual Octave_map map_value (void) const; |
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453 |
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3933
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454 virtual string_vector map_keys (void) const |
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455 { return rep->map_keys (); } |
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456 |
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3340
|
457 virtual octave_stream stream_value (void) const; |
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2903
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458 |
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459 virtual int stream_number (void) const; |
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460 |
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2974
|
461 virtual octave_function *function_value (bool silent = false); |
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462 |
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2880
|
463 virtual octave_value_list list_value (void) const; |
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464 |
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2825
|
465 virtual bool bool_value (void) const |
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466 { return rep->bool_value (); } |
|
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467 |
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468 virtual boolMatrix bool_matrix_value (void) const |
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469 { return rep->bool_matrix_value (); } |
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470 |
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3419
|
471 ColumnVector column_vector_value (bool frc_str_conv = false, |
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2376
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472 bool frc_vec_conv = false) const; |
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473 |
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474 ComplexColumnVector |
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3419
|
475 complex_column_vector_value (bool frc_str_conv = false, |
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2376
|
476 bool frc_vec_conv = false) const; |
|
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477 |
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3419
|
478 RowVector row_vector_value (bool frc_str_conv = false, |
|
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479 bool frc_vec_conv = false) const; |
|
|
480 |
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481 ComplexRowVector |
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482 complex_row_vector_value (bool frc_str_conv = false, |
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483 bool frc_vec_conv = false) const; |
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484 |
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4044
|
485 Array<int> int_vector_value (bool req_int = false, |
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|
486 bool frc_str_conv = false, |
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487 bool frc_vec_conv = false) const; |
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488 |
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3419
|
489 Array<double> vector_value (bool frc_str_conv = false, |
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490 bool frc_vec_conv = false) const; |
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491 |
|
|
492 Array<Complex> complex_vector_value (bool frc_str_conv = false, |
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493 bool frc_vec_conv = false) const; |
|
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494 |
|
2376
|
495 // Conversions. These should probably be private. If a user of this |
|
|
496 // class wants a certain kind of constant, he should simply ask for |
|
|
497 // it, and we should convert it if possible. |
|
|
498 |
|
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499 virtual octave_value convert_to_str (void) const |
|
|
500 { return rep->convert_to_str (); } |
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501 |
|
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502 virtual void convert_to_row_or_column_vector (void) |
|
|
503 { rep->convert_to_row_or_column_vector (); } |
|
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504 |
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3523
|
505 virtual void print (std::ostream& os, bool pr_as_read_syntax = false) const |
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2466
|
506 { rep->print (os, pr_as_read_syntax); } |
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2376
|
507 |
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3523
|
508 virtual void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const |
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2903
|
509 { rep->print_raw (os, pr_as_read_syntax); } |
|
|
510 |
|
3523
|
511 virtual bool print_name_tag (std::ostream& os, const std::string& name) const |
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2903
|
512 { return rep->print_name_tag (os, name); } |
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2376
|
513 |
|
3523
|
514 void print_with_name (std::ostream& os, const std::string& name, |
|
2903
|
515 bool print_padding = true) const; |
|
2376
|
516 |
|
|
517 virtual int type_id (void) const { return rep->type_id (); } |
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|
518 |
|
3523
|
519 virtual std::string type_name (void) const { return rep->type_name (); } |
|
2376
|
520 |
|
3203
|
521 // Unary and binary operations. |
|
|
522 |
|
3933
|
523 friend octave_value do_unary_op (unary_op op, |
|
|
524 const octave_value& a); |
|
3203
|
525 |
|
3933
|
526 const octave_value& do_non_const_unary_op (unary_op op); |
|
|
527 |
|
|
528 void do_non_const_unary_op (unary_op op, const octave_value_list& idx); |
|
2376
|
529 |
|
3933
|
530 octave_value do_non_const_unary_op (unary_op op, const std::string type, |
|
4219
|
531 const std::list<octave_value_list>& idx); |
|
3205
|
532 |
|
3933
|
533 friend octave_value do_binary_op (binary_op op, |
|
|
534 const octave_value& a, |
|
|
535 const octave_value& b); |
|
2376
|
536 |
|
3301
|
537 const octave_value& get_rep (void) const { return *rep; } |
|
|
538 |
|
3933
|
539 virtual void print_info (std::ostream& os, |
|
|
540 const std::string& prefix = std::string ()) const; |
|
|
541 |
|
2376
|
542 protected: |
|
|
543 |
|
|
544 octave_value (const octave_xvalue&) : rep (0) { } |
|
|
545 |
|
3933
|
546 // This should only be called for derived types. |
|
|
547 |
|
|
548 octave_value numeric_assign (const std::string type, |
|
4219
|
549 const std::list<octave_value_list>& idx, |
|
3933
|
550 const octave_value& rhs); |
|
|
551 |
|
2903
|
552 void reset_indent_level (void) const |
|
|
553 { curr_print_indent_level = 0; } |
|
|
554 |
|
|
555 void increment_indent_level (void) const |
|
|
556 { curr_print_indent_level += 2; } |
|
|
557 |
|
|
558 void decrement_indent_level (void) const |
|
|
559 { curr_print_indent_level -= 2; } |
|
|
560 |
|
|
561 int current_print_indent_level (void) const |
|
|
562 { return curr_print_indent_level; } |
|
|
563 |
|
3523
|
564 void newline (std::ostream& os) const; |
|
2903
|
565 |
|
3523
|
566 void indent (std::ostream& os) const; |
|
2903
|
567 |
|
|
568 void reset (void) const; |
|
|
569 |
|
2376
|
570 union |
|
|
571 { |
|
|
572 octave_value *rep; // The real representation. |
|
|
573 int count; // A reference count. |
|
|
574 }; |
|
2413
|
575 |
|
3933
|
576 private: |
|
2903
|
577 |
|
|
578 static int curr_print_indent_level; |
|
|
579 static bool beginning_of_line; |
|
3204
|
580 |
|
3205
|
581 assign_op unary_op_to_assign_op (unary_op op); |
|
|
582 |
|
3204
|
583 binary_op op_eq_to_binary_op (assign_op op); |
|
|
584 |
|
3219
|
585 DECLARE_OCTAVE_ALLOCATOR |
|
2376
|
586 }; |
|
|
587 |
|
3203
|
588 #define OV_UNOP_FN(name) \ |
|
|
589 inline octave_value \ |
|
|
590 name (const octave_value& a) \ |
|
|
591 { \ |
|
|
592 return do_unary_op (octave_value::name, a); \ |
|
|
593 } |
|
|
594 |
|
|
595 #define OV_UNOP_OP(name, op) \ |
|
|
596 inline octave_value \ |
|
|
597 operator op (const octave_value& a) \ |
|
|
598 { \ |
|
|
599 return name (a); \ |
|
|
600 } |
|
|
601 |
|
|
602 #define OV_UNOP_FN_OP(name, op) \ |
|
|
603 OV_UNOP_FN (name) \ |
|
|
604 OV_UNOP_OP (name, op) |
|
|
605 |
|
3525
|
606 OV_UNOP_FN_OP (op_not, !) |
|
|
607 OV_UNOP_FN_OP (op_uminus, -) |
|
3203
|
608 |
|
3525
|
609 OV_UNOP_FN (op_transpose) |
|
|
610 OV_UNOP_FN (op_hermitian) |
|
3203
|
611 |
|
|
612 // No simple way to define these for prefix and suffix ops? |
|
|
613 // |
|
|
614 // incr |
|
|
615 // decr |
|
|
616 |
|
|
617 #define OV_BINOP_FN(name) \ |
|
|
618 inline octave_value \ |
|
|
619 name (const octave_value& a1, const octave_value& a2) \ |
|
|
620 { \ |
|
|
621 return do_binary_op (octave_value::name, a1, a2); \ |
|
|
622 } |
|
|
623 |
|
|
624 #define OV_BINOP_OP(name, op) \ |
|
|
625 inline octave_value \ |
|
|
626 operator op (const octave_value& a1, const octave_value& a2) \ |
|
|
627 { \ |
|
|
628 return name (a1, a2); \ |
|
|
629 } |
|
|
630 |
|
|
631 #define OV_BINOP_FN_OP(name, op) \ |
|
|
632 OV_BINOP_FN (name) \ |
|
|
633 OV_BINOP_OP (name, op) |
|
|
634 |
|
3525
|
635 OV_BINOP_FN_OP (op_add, +) |
|
|
636 OV_BINOP_FN_OP (op_sub, -) |
|
|
637 OV_BINOP_FN_OP (op_mul, *) |
|
|
638 OV_BINOP_FN_OP (op_div, /) |
|
3203
|
639 |
|
3525
|
640 OV_BINOP_FN (op_pow) |
|
|
641 OV_BINOP_FN (op_ldiv) |
|
|
642 OV_BINOP_FN (op_lshift) |
|
|
643 OV_BINOP_FN (op_rshift) |
|
3203
|
644 |
|
3525
|
645 OV_BINOP_FN_OP (op_lt, <) |
|
|
646 OV_BINOP_FN_OP (op_le, <=) |
|
|
647 OV_BINOP_FN_OP (op_eq, ==) |
|
|
648 OV_BINOP_FN_OP (op_ge, >=) |
|
|
649 OV_BINOP_FN_OP (op_gt, >) |
|
|
650 OV_BINOP_FN_OP (op_ne, !=) |
|
3203
|
651 |
|
3525
|
652 OV_BINOP_FN (op_el_mul) |
|
|
653 OV_BINOP_FN (op_el_div) |
|
|
654 OV_BINOP_FN (op_el_pow) |
|
|
655 OV_BINOP_FN (op_el_ldiv) |
|
|
656 OV_BINOP_FN (op_el_and) |
|
|
657 OV_BINOP_FN (op_el_or) |
|
3203
|
658 |
|
3525
|
659 OV_BINOP_FN (op_struct_ref) |
|
3203
|
660 |
|
3219
|
661 // T_ID is the type id of struct objects, set by register_type(). |
|
|
662 // T_NAME is the type name of struct objects. |
|
|
663 #define DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA \ |
|
|
664 public: \ |
|
|
665 int type_id (void) const { return t_id; } \ |
|
3523
|
666 std::string type_name (void) const { return t_name; } \ |
|
3301
|
667 static volatile int static_type_id (void) { return t_id; } \ |
|
3219
|
668 static void register_type (void) \ |
|
|
669 { t_id = octave_value_typeinfo::register_type (t_name); } \ |
|
|
670 \ |
|
|
671 private: \ |
|
3301
|
672 static volatile int t_id; \ |
|
3523
|
673 static const std::string t_name; |
|
3219
|
674 |
|
|
675 #define DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA(t, n) \ |
|
3301
|
676 volatile int t::t_id (-1); \ |
|
3523
|
677 const std::string t::t_name (n) |
|
3219
|
678 |
|
2376
|
679 // If TRUE, allow assignments like |
|
|
680 // |
|
|
681 // octave> A(1) = 3; A(2) = 5 |
|
|
682 // |
|
|
683 // for A already defined and a matrix type. |
|
|
684 extern bool Vdo_fortran_indexing; |
|
|
685 |
|
|
686 // Should we allow things like: |
|
|
687 // |
|
|
688 // octave> 'abc' + 0 |
|
|
689 // 97 98 99 |
|
|
690 // |
|
|
691 // to happen? A positive value means yes. A negative value means |
|
|
692 // yes, but print a warning message. Zero means it should be |
|
|
693 // considered an error. |
|
|
694 extern int Vimplicit_str_to_num_ok; |
|
|
695 |
|
|
696 // Should we allow silent conversion of complex to real when a real |
|
|
697 // type is what we're really looking for? A positive value means yes. |
|
|
698 // A negative value means yes, but print a warning message. Zero |
|
|
699 // means it should be considered an error. |
|
|
700 extern int Vok_to_lose_imaginary_part; |
|
|
701 |
|
|
702 // If TRUE, print the name along with the value. |
|
|
703 extern bool Vprint_answer_id_name; |
|
|
704 |
|
|
705 // Should operations on empty matrices return empty matrices or an |
|
|
706 // error? A positive value means yes. A negative value means yes, |
|
|
707 // but print a warning message. Zero means it should be considered an |
|
|
708 // error. |
|
|
709 extern int Vpropagate_empty_matrices; |
|
|
710 |
|
|
711 // How many levels of structure elements should we print? |
|
|
712 extern int Vstruct_levels_to_print; |
|
|
713 |
|
|
714 // Allow divide by zero errors to be suppressed. |
|
|
715 extern bool Vwarn_divide_by_zero; |
|
|
716 |
|
3195
|
717 // If TRUE, resize matrices when performing and indexed assignment and |
|
|
718 // the indices are outside the current bounds. |
|
|
719 extern bool Vresize_on_range_error; |
|
|
720 |
|
2376
|
721 // Indentation level for structures. |
|
|
722 extern int struct_indent; |
|
|
723 |
|
|
724 extern void increment_struct_indent (void); |
|
|
725 extern void decrement_struct_indent (void); |
|
|
726 |
|
2880
|
727 // Indentation level for lists. |
|
|
728 extern int list_indent; |
|
|
729 |
|
|
730 extern void increment_list_indent (void); |
|
|
731 extern void decrement_list_indent (void); |
|
|
732 |
|
2376
|
733 extern void install_types (void); |
|
|
734 |
|
|
735 #endif |
|
|
736 |
|
|
737 /* |
|
|
738 ;; Local Variables: *** |
|
|
739 ;; mode: C++ *** |
|
|
740 ;; End: *** |
|
|
741 */ |
