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version is now 3.3.52
author John W. Eaton <jwe@octave.org>
date Sun, 01 Aug 2010 11:49:45 -0400
parents 1b2fcd122c6a
children 4bec51eb58e2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006,
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4 2007, 2008, 2009 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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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 "Cell.h"
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29 #include "error.h"
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30 #include "oct-map.h"
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31 #include "oct-obj.h"
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32 #include "oct-lvalue.h"
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33 #include "ov.h"
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34 #include "pager.h"
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35 #include "pt-arg-list.h"
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36 #include "pt-bp.h"
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37 #include "pt-id.h"
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38 #include "pt-idx.h"
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39 #include "pt-walk.h"
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40 #include "utils.h"
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41 #include "variables.h"
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42 #include "gripes.h"
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43
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44 // Index expressions.
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45
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46 tree_index_expression::tree_index_expression (int l, int c)
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47 : tree_expression (l, c), expr (0), args (0), type (),
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48 arg_nm (), dyn_field () { }
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49
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50 tree_index_expression::tree_index_expression (tree_expression *e,
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51 tree_argument_list *lst,
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52 int l, int c, char t)
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53 : tree_expression (l, c), expr (e), args (0), type (),
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54 arg_nm (), dyn_field ()
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55 {
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56 append (lst, t);
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57 }
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58
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59 tree_index_expression::tree_index_expression (tree_expression *e,
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60 const std::string& n,
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61 int l, int c)
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62 : tree_expression (l, c), expr (e), args (0), type (),
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63 arg_nm (), dyn_field ()
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64 {
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65 append (n);
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66 }
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67
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68 tree_index_expression::tree_index_expression (tree_expression *e,
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69 tree_expression *df,
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70 int l, int c)
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71 : tree_expression (l, c), expr (e), args (0), type (),
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72 arg_nm (), dyn_field ()
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73 {
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74 append (df);
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75 }
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76
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77 void
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78 tree_index_expression::append (tree_argument_list *lst, char t)
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79 {
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80 args.push_back (lst);
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81 type.append (1, t);
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82 arg_nm.push_back (lst ? lst->get_arg_names () : string_vector ());
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83 dyn_field.push_back (static_cast<tree_expression *> (0));
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84
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85 if (lst && lst->has_magic_tilde ())
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86 error ("invalid use of empty argument (~) in index expression");
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87 }
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88
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89 void
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90 tree_index_expression::append (const std::string& n)
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91 {
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92 args.push_back (static_cast<tree_argument_list *> (0));
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93 type.append (".");
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94 arg_nm.push_back (n);
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95 dyn_field.push_back (static_cast<tree_expression *> (0));
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96 }
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97
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98 void
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99 tree_index_expression::append (tree_expression *df)
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100 {
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101 args.push_back (static_cast<tree_argument_list *> (0));
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102 type.append (".");
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103 arg_nm.push_back ("");
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104 dyn_field.push_back (df);
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105 }
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106
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107 tree_index_expression::~tree_index_expression (void)
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108 {
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109 delete expr;
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110
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111 while (! args.empty ())
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112 {
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113 std::list<tree_argument_list *>::iterator p = args.begin ();
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114 delete *p;
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115 args.erase (p);
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116 }
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117 }
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118
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119 bool
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120 tree_index_expression::has_magic_end (void) const
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121 {
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122 for (std::list<tree_argument_list *>::const_iterator p = args.begin ();
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123 p != args.end ();
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124 p++)
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125 {
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126 tree_argument_list *elt = *p;
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127
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128 if (elt && elt->has_magic_end ())
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129 return true;
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130 }
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131
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132 return false;
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133 }
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134
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135 // This is useful for printing the name of the variable in an indexed
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136 // assignment.
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137
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138 std::string
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139 tree_index_expression::name (void) const
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140 {
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141 return expr->name ();
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142 }
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143
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144 static Cell
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145 make_subs_cell (tree_argument_list *args, const string_vector& arg_nm)
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146 {
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147 Cell retval;
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148
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149 octave_value_list arg_values;
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150
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151 if (args)
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152 arg_values = args->convert_to_const_vector ();
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153
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154 if (! error_state)
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155 {
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156 int n = arg_values.length ();
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157
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158 if (n > 0)
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159 {
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160 arg_values.stash_name_tags (arg_nm);
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161
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162 retval.resize (dim_vector (1, n));
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163
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164 for (int i = 0; i < n; i++)
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165 retval(0,i) = arg_values(i);
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166 }
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167 }
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168
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169 return retval;
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170 }
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171
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172 static inline octave_value_list
4234
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173 make_value_list (tree_argument_list *args, const string_vector& arg_nm,
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174 const octave_value *object)
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175 {
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176 octave_value_list retval;
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177
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178 if (args)
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179 {
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180 if (object && args->has_magic_end () && object->is_undefined ())
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181 gripe_invalid_inquiry_subscript ();
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182 else
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183 retval = args->convert_to_const_vector (object);
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184 }
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185
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186 if (! error_state)
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187 {
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188 octave_idx_type n = retval.length ();
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189
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190 if (n > 0)
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191 retval.stash_name_tags (arg_nm);
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192 }
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193
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194 return retval;
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195 }
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196
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197 std::string
4219
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198 tree_index_expression::get_struct_index
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199 (std::list<string_vector>::const_iterator p_arg_nm,
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200 std::list<tree_expression *>::const_iterator p_dyn_field) const
4131
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201 {
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202 std::string fn = (*p_arg_nm)(0);
4131
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203
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204 if (fn.empty ())
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205 {
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206 tree_expression *df = *p_dyn_field;
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207
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208 if (df)
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209 {
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210 octave_value t = df->rvalue1 ();
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211
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212 if (! error_state)
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213 {
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214 fn = t.string_value ();
4143
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215
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216 if (! valid_identifier (fn))
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217 ::error ("invalid structure field name `%s'", fn.c_str ());
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218 }
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219 }
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220 else
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221 panic_impossible ();
4131
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diff changeset
222 }
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223
597fbc55ea40 [project @ 2002-10-29 17:12:53 by jwe]
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224 return fn;
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diff changeset
225 }
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226
3933
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227 Octave_map
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diff changeset
228 tree_index_expression::make_arg_struct (void) const
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229 {
4219
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diff changeset
230 int n = args.size ();
3933
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231
7336
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diff changeset
232 Cell type_field (n, 1);
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diff changeset
233 Cell subs_field (n, 1);
3933
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234
4219
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diff changeset
235 std::list<tree_argument_list *>::const_iterator p_args = args.begin ();
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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diff changeset
236 std::list<string_vector>::const_iterator p_arg_nm = arg_nm.begin ();
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diff changeset
237 std::list<tree_expression *>::const_iterator p_dyn_field = dyn_field.begin ();
3933
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238
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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diff changeset
239 Octave_map m;
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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240
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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diff changeset
241 for (int i = 0; i < n; i++)
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diff changeset
242 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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diff changeset
243 switch (type[i])
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244 {
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diff changeset
245 case '(':
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diff changeset
246 subs_field(i) = make_subs_cell (*p_args, *p_arg_nm);
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diff changeset
247 break;
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248
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diff changeset
249 case '{':
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250 subs_field(i) = make_subs_cell (*p_args, *p_arg_nm);
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diff changeset
251 break;
3933
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diff changeset
252
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diff changeset
253 case '.':
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diff changeset
254 subs_field(i) = get_struct_index (p_arg_nm, p_dyn_field);
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diff changeset
255 break;
3933
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diff changeset
256
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diff changeset
257 default:
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diff changeset
258 panic_impossible ();
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diff changeset
259 }
3933
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260
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diff changeset
261 if (error_state)
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262 return m;
3933
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diff changeset
263
4219
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diff changeset
264 p_args++;
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diff changeset
265 p_arg_nm++;
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diff changeset
266 p_dyn_field++;
3933
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diff changeset
267 }
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268
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diff changeset
269 m.assign ("type", type_field);
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270 m.assign ("subs", subs_field);
3933
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271
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diff changeset
272 return m;
2991
fc751d2a99fd [project @ 1997-05-16 21:00:48 by jwe]
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diff changeset
273 }
fc751d2a99fd [project @ 1997-05-16 21:00:48 by jwe]
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diff changeset
274
2980
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diff changeset
275 octave_value_list
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parents:
diff changeset
276 tree_index_expression::rvalue (int nargout)
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diff changeset
277 {
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278 return tree_index_expression::rvalue (nargout, 0);
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diff changeset
279 }
1b2fcd122c6a allow user detect ignored outputs in m-functions
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diff changeset
280
1b2fcd122c6a allow user detect ignored outputs in m-functions
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diff changeset
281 octave_value_list
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diff changeset
282 tree_index_expression::rvalue (int nargout, const std::list<octave_lvalue> *lvalue_list)
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diff changeset
283 {
2980
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diff changeset
284 octave_value_list retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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parents:
diff changeset
285
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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parents:
diff changeset
286 if (error_state)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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parents:
diff changeset
287 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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parents:
diff changeset
288
7336
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diff changeset
289 octave_value first_expr_val;
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diff changeset
290
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
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diff changeset
291 octave_value_list first_args;
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
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diff changeset
292
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
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diff changeset
293 bool have_args = false;
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diff changeset
294
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
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diff changeset
295 if (expr->is_identifier () && type[0] == '(')
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diff changeset
296 {
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
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diff changeset
297 tree_identifier *id = dynamic_cast<tree_identifier *> (expr);
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diff changeset
298
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diff changeset
299 if (! (id->is_variable () || args.empty ()))
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diff changeset
300 {
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diff changeset
301 tree_argument_list *al = *(args.begin ());
7336
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diff changeset
302
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diff changeset
303 size_t n = al ? al->length () : 0;
7336
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diff changeset
304
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diff changeset
305 if (n > 0)
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diff changeset
306 {
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diff changeset
307 string_vector anm = *(arg_nm.begin ());
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diff changeset
308 have_args = true;
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diff changeset
309 first_args = al -> convert_to_const_vector ();
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diff changeset
310 first_args.stash_name_tags (anm);
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diff changeset
311
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diff changeset
312 if (! error_state)
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diff changeset
313 first_expr_val = id->do_lookup (first_args);
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314 }
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315 }
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316 }
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317
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318 if (! error_state)
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parents:
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319 {
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diff changeset
320 if (first_expr_val.is_undefined ())
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diff changeset
321 first_expr_val = expr->rvalue1 ();
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diff changeset
322
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diff changeset
323 octave_value tmp = first_expr_val;
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parents: 8546
diff changeset
324 octave_idx_type tmpi = 0;
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diff changeset
325
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diff changeset
326 std::list<octave_value_list> idx;
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327
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diff changeset
328 int n = args.size ();
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329
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diff changeset
330 std::list<tree_argument_list *>::iterator p_args = args.begin ();
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331 std::list<string_vector>::iterator p_arg_nm = arg_nm.begin ();
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diff changeset
332 std::list<tree_expression *>::iterator p_dyn_field = dyn_field.begin ();
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diff changeset
333
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diff changeset
334 for (int i = 0; i < n; i++)
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335 {
57a59eae83cc untabify src C++ source files
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diff changeset
336 if (i > 0)
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337 {
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diff changeset
338 tree_argument_list *al = *p_args;
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339
9692
126b49caba0d smart splitting of index chains
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diff changeset
340 // In Matlab, () can only be followed by . In Octave, we do not
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diff changeset
341 // enforce this for rvalue expressions, but we'll split the
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diff changeset
342 // evaluation at this point. This will, hopefully, allow Octave's
126b49caba0d smart splitting of index chains
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diff changeset
343 // looser rules apply smoothly for Matlab overloaded subsref
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344 // codes.
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diff changeset
345 bool force_split = type[i-1] == '(' && type[i] != '.';
126b49caba0d smart splitting of index chains
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parents: 9445
diff changeset
346
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diff changeset
347 if (force_split || (al && al->has_magic_end ()))
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diff changeset
348 {
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diff changeset
349 // We have an expression like
57a59eae83cc untabify src C++ source files
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350 //
57a59eae83cc untabify src C++ source files
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351 // x{end}.a(end)
57a59eae83cc untabify src C++ source files
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352 //
57a59eae83cc untabify src C++ source files
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353 // and we are looking at the argument list that
57a59eae83cc untabify src C++ source files
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354 // contains the second (or third, etc.) "end" token,
57a59eae83cc untabify src C++ source files
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diff changeset
355 // so we must evaluate everything up to the point of
57a59eae83cc untabify src C++ source files
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356 // that argument list so we can pass the appropriate
57a59eae83cc untabify src C++ source files
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diff changeset
357 // value to the built-in __end__ function.
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358
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diff changeset
359 const octave_value_list tmp_list
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diff changeset
360 = tmp.subsref (type.substr (tmpi, i - tmpi), idx, nargout);
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361
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diff changeset
362 tmp = tmp_list.length () ? tmp_list(0) : octave_value ();
8551
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diff changeset
363 tmpi = i;
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parents: 8546
diff changeset
364 idx.clear ();
906f976d35a8 further improve struct&cell indexing & indexed assignment
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parents: 8546
diff changeset
365
906f976d35a8 further improve struct&cell indexing & indexed assignment
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parents: 8546
diff changeset
366 if (tmp.is_cs_list ())
906f976d35a8 further improve struct&cell indexing & indexed assignment
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diff changeset
367 gripe_indexed_cs_list ();
4432
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diff changeset
368
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diff changeset
369 if (error_state)
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diff changeset
370 break;
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diff changeset
371 }
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diff changeset
372 }
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diff changeset
373
10315
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diff changeset
374 switch (type[i])
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diff changeset
375 {
57a59eae83cc untabify src C++ source files
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diff changeset
376 case '(':
57a59eae83cc untabify src C++ source files
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diff changeset
377 if (have_args)
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diff changeset
378 {
57a59eae83cc untabify src C++ source files
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diff changeset
379 idx.push_back (first_args);
57a59eae83cc untabify src C++ source files
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diff changeset
380 have_args = false;
57a59eae83cc untabify src C++ source files
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diff changeset
381 }
57a59eae83cc untabify src C++ source files
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diff changeset
382 else
57a59eae83cc untabify src C++ source files
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diff changeset
383 idx.push_back (make_value_list (*p_args, *p_arg_nm, &tmp));
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
384 break;
3930
61d4427c016e [project @ 2002-05-07 00:47:31 by jwe]
jwe
parents: 3929
diff changeset
385
10315
57a59eae83cc untabify src C++ source files
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diff changeset
386 case '{':
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
387 idx.push_back (make_value_list (*p_args, *p_arg_nm, &tmp));
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
388 break;
2980
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parents:
diff changeset
389
10315
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diff changeset
390 case '.':
57a59eae83cc untabify src C++ source files
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diff changeset
391 idx.push_back (octave_value (get_struct_index (p_arg_nm, p_dyn_field)));
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
392 break;
3930
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parents: 3929
diff changeset
393
10315
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diff changeset
394 default:
57a59eae83cc untabify src C++ source files
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diff changeset
395 panic_impossible ();
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
396 }
3930
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diff changeset
397
10315
57a59eae83cc untabify src C++ source files
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diff changeset
398 if (error_state)
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
399 break;
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
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diff changeset
400
10315
57a59eae83cc untabify src C++ source files
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diff changeset
401 p_args++;
57a59eae83cc untabify src C++ source files
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diff changeset
402 p_arg_nm++;
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
403 p_dyn_field++;
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
404 }
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
405
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
406 if (! error_state)
10832
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10659
diff changeset
407 retval = tmp.subsref (type.substr (tmpi, n - tmpi), idx, nargout,
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10659
diff changeset
408 lvalue_list);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
409 }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
410
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
411 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
412 }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
413
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
414 octave_value
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8580
diff changeset
415 tree_index_expression::rvalue1 (int nargout)
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
416 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
417 octave_value retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
418
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
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parents: 8580
diff changeset
419 const octave_value_list tmp = rvalue (nargout);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
420
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
421 if (! tmp.empty ())
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
422 retval = tmp(0);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
423
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
424 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
425 }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
426
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
427 octave_lvalue
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
428 tree_index_expression::lvalue (void)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
429 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
430 octave_lvalue retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
431
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4192
diff changeset
432 std::list<octave_value_list> idx;
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
433 std::string tmp_type;
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
434
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4192
diff changeset
435 int n = args.size ();
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
436
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4192
diff changeset
437 std::list<tree_argument_list *>::iterator p_args = args.begin ();
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4192
diff changeset
438 std::list<string_vector>::iterator p_arg_nm = arg_nm.begin ();
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4192
diff changeset
439 std::list<tree_expression *>::iterator p_dyn_field = dyn_field.begin ();
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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parents: 3930
diff changeset
440
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
441 retval = expr->lvalue ();
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
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parents: 3930
diff changeset
442
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
443 if (! error_state)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
444 {
4432
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parents: 4234
diff changeset
445 const octave_value *tro = retval.object ();
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
446
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
447 octave_value tmp;
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
448
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
449 if (tro)
10315
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parents: 10206
diff changeset
450 tmp = *tro;
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
451
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
452 octave_idx_type tmpi = 0;
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
453 std::list<octave_value_list> tmpidx;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
454
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
455 for (int i = 0; i < n; i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
456 {
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
457 if (retval.numel () != 1)
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
458 gripe_indexed_cs_list ();
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
459 else if (tmpi < i)
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
460 {
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
461 tmp = tmp.subsref (type.substr (tmpi, i - tmpi), tmpidx, true);
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
462 tmpidx.clear ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
463 }
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
464
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
465 if (error_state)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
466 break;
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
467
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
468 switch (type[i])
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
469 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
470 case '(':
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
471 {
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
472 octave_value_list tidx
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
473 = make_value_list (*p_args, *p_arg_nm, &tmp);
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
474
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
475 idx.push_back (tidx);
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
476
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
477 if (i < n - 1)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
478 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
479 if (type[i+1] == '.')
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
480 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
481 tmpidx.push_back (tidx);
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
482 tmpi = i+1;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
483 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
484 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
485 error ("() must be followed by . or close the index chain");
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
486 }
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
487 }
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
488 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
489
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
490 case '{':
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
491 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
492 octave_value_list tidx
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
493 = make_value_list (*p_args, *p_arg_nm, &tmp);
5846
db0598f94c0f [project @ 2006-06-07 18:16:16 by jwe]
jwe
parents: 5775
diff changeset
494
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
495 if (tmp.is_undefined ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
496 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
497 if (tidx.has_magic_colon ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
498 gripe_invalid_inquiry_subscript ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
499 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
500 tmp = Cell ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
501 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
502 else if (tmp.is_zero_by_zero ()
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
503 && (tmp.is_matrix_type () || tmp.is_string ()))
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
504 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
505 tmp = Cell ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
506 }
5846
db0598f94c0f [project @ 2006-06-07 18:16:16 by jwe]
jwe
parents: 5775
diff changeset
507
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
508 retval.numel (tmp.numel (tidx));
5846
db0598f94c0f [project @ 2006-06-07 18:16:16 by jwe]
jwe
parents: 5775
diff changeset
509
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
510 if (error_state)
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
511 break;
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
512
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
513 idx.push_back (tidx);
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
514 tmpidx.push_back (tidx);
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
515 tmpi = i;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
516 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
517 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
518
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
519 case '.':
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
520 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
521 octave_value tidx = get_struct_index (p_arg_nm, p_dyn_field);
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
522 if (error_state)
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
523 break;
6833
e8a18d380097 [project @ 2007-08-27 17:22:50 by jwe]
jwe
parents: 6811
diff changeset
524
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
525 bool autoconv = (tmp.is_zero_by_zero ()
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
526 && (tmp.is_matrix_type () || tmp.is_string ()
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
527 || tmp.is_cell ()));
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
528
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
529 if (i > 0 && type [i-1] == '(')
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
530 {
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
531 octave_value_list pidx = idx.back ();
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
532
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
533 if (tmp.is_undefined ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
534 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
535 if (pidx.has_magic_colon ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
536 gripe_invalid_inquiry_subscript ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
537 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
538 tmp = Octave_map ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
539 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
540 else if (autoconv)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
541 tmp = Octave_map ();
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
542
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
543 retval.numel (tmp.numel (pidx));
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
544
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
545 tmpi = i-1;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
546 tmpidx.push_back (tidx);
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
547 }
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
548 else
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
549 {
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
550 if (tmp.is_undefined () || autoconv)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
551 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
552 tmpi = i+1;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
553 tmp = octave_value ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
554 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
555 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
556 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
557 retval.numel (tmp.numel (octave_value_list ()));
7099
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
558
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
559 tmpi = i;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
560 tmpidx.push_back (tidx);
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
561 }
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
562 }
7057
c344920f9e9d [project @ 2007-10-24 04:39:57 by jwe]
jwe
parents: 7043
diff changeset
563
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
564 if (error_state)
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
565 break;
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
566
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
567 idx.push_back (tidx);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
568 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
569 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
570
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
571 default:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
572 panic_impossible ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
573 }
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
574
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
575 if (idx.back ().empty ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
576 error ("invalid empty index list");
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
577
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
578 if (error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
579 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
580
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
581 p_args++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
582 p_arg_nm++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
583 p_dyn_field++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
584 }
3930
61d4427c016e [project @ 2002-05-07 00:47:31 by jwe]
jwe
parents: 3929
diff changeset
585
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
586 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
587 retval.set_index (type, idx);
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
588
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
589 }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
590
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
591 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
592 }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
593
7099
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
594 /*
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
595 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
596 %! x = {1, 2, 3};
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
597 %! [x{:}] = deal (4, 5, 6);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
598 %! assert (x, {4, 5, 6});
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
599
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
600 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
601 %! [x.a, x.b.c] = deal (1, 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
602 %! assert (x.a == 1 && x.b.c == 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
603
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
604 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
605 %! [x.a, x(2).b] = deal (1, 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
606 %! assert (x(1).a == 1 && isempty (x(2).a) && isempty (x(1).b) && x(2).b == 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
607
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
608 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
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diff changeset
609 %! x = struct (zeros (0, 1), {"a", "b"});
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
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diff changeset
610 %! x(2).b = 1;
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
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611 %! assert (x(2).b == 1);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
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612
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
613 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
614 %! x = struct (zeros (0, 1), {"a", "b"});
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
615 %! x(2).b = 1;
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
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616 %! assert (x(2).b == 1);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
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617 */
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
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618
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
619 tree_index_expression *
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
620 tree_index_expression::dup (symbol_table::scope_id scope,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
621 symbol_table::context_id context) const
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
622 {
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
623 tree_index_expression *new_idx_expr
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
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624 = new tree_index_expression (line (), column ());
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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625
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71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
626 new_idx_expr->expr = expr ? expr->dup (scope, context) : 0;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
627
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
628 std::list<tree_argument_list *> new_args;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
629
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
630 for (std::list<tree_argument_list *>::const_iterator p = args.begin ();
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
631 p != args.end ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
632 p++)
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
633 {
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
634 const tree_argument_list *elt = *p;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
635
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
636 new_args.push_back (elt ? elt->dup (scope, context) : 0);
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
637 }
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
638
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
639 new_idx_expr->args = new_args;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
640
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
641 new_idx_expr->type = type;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
642
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
643 new_idx_expr->arg_nm = arg_nm;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
644
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
645 std::list<tree_expression *> new_dyn_field;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
646
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
647 for (std::list<tree_expression *>::const_iterator p = dyn_field.begin ();
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
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diff changeset
648 p != dyn_field.end ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
649 p++)
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
650 {
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
651 const tree_expression *elt = *p;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
652
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
653 new_dyn_field.push_back (elt ? elt->dup (scope, context) : 0);
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
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diff changeset
654 }
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
655
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
656 new_idx_expr->dyn_field = new_dyn_field;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
657
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
658 new_idx_expr->copy_base (*this);
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
659
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
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parents: 5846
diff changeset
660 return new_idx_expr;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
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diff changeset
661 }
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
662
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
663 void
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
664 tree_index_expression::accept (tree_walker& tw)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
665 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
666 tw.visit_index_expression (*this);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
667 }