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annotate src/pt-idx.cc @ 11542:695141f1c05c ss-3-3-55

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snapshot 3.3.55
author John W. Eaton <jwe@octave.org>
date Sat, 15 Jan 2011 04:53:04 -0500
parents fd0a3ac60b0e
children 12df7854fa7c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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fd0a3ac60b0e update copyright notices
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3 Copyright (C) 1996-2011 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 3 of the License, or (at your
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10 option) any 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, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include "Cell.h"
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28 #include "error.h"
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29 #include "oct-map.h"
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30 #include "oct-obj.h"
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31 #include "oct-lvalue.h"
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32 #include "ov.h"
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33 #include "pager.h"
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34 #include "pt-arg-list.h"
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35 #include "pt-bp.h"
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36 #include "pt-id.h"
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37 #include "pt-idx.h"
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38 #include "pt-walk.h"
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39 #include "utils.h"
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40 #include "variables.h"
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41 #include "gripes.h"
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42
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43 // Index expressions.
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44
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45 tree_index_expression::tree_index_expression (int l, int c)
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46 : tree_expression (l, c), expr (0), args (0), type (),
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47 arg_nm (), dyn_field () { }
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48
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49 tree_index_expression::tree_index_expression (tree_expression *e,
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50 tree_argument_list *lst,
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51 int l, int c, char t)
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52 : tree_expression (l, c), expr (e), args (0), type (),
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53 arg_nm (), dyn_field ()
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54 {
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55 append (lst, t);
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56 }
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57
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58 tree_index_expression::tree_index_expression (tree_expression *e,
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59 const std::string& n,
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60 int l, int c)
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61 : tree_expression (l, c), expr (e), args (0), type (),
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62 arg_nm (), dyn_field ()
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63 {
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64 append (n);
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65 }
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66
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67 tree_index_expression::tree_index_expression (tree_expression *e,
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68 tree_expression *df,
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69 int l, int c)
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70 : tree_expression (l, c), expr (e), args (0), type (),
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71 arg_nm (), dyn_field ()
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72 {
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73 append (df);
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74 }
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75
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76 void
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77 tree_index_expression::append (tree_argument_list *lst, char t)
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78 {
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79 args.push_back (lst);
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80 type.append (1, t);
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81 arg_nm.push_back (lst ? lst->get_arg_names () : string_vector ());
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82 dyn_field.push_back (static_cast<tree_expression *> (0));
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83
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84 if (lst && lst->has_magic_tilde ())
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85 error ("invalid use of empty argument (~) in index expression");
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86 }
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87
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88 void
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89 tree_index_expression::append (const std::string& n)
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90 {
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91 args.push_back (static_cast<tree_argument_list *> (0));
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92 type.append (".");
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93 arg_nm.push_back (n);
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94 dyn_field.push_back (static_cast<tree_expression *> (0));
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95 }
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96
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97 void
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98 tree_index_expression::append (tree_expression *df)
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99 {
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100 args.push_back (static_cast<tree_argument_list *> (0));
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101 type.append (".");
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102 arg_nm.push_back ("");
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103 dyn_field.push_back (df);
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104 }
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105
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106 tree_index_expression::~tree_index_expression (void)
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107 {
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108 delete expr;
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109
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110 while (! args.empty ())
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111 {
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112 std::list<tree_argument_list *>::iterator p = args.begin ();
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113 delete *p;
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114 args.erase (p);
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115 }
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116 }
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117
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118 bool
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119 tree_index_expression::has_magic_end (void) const
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120 {
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121 for (std::list<tree_argument_list *>::const_iterator p = args.begin ();
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122 p != args.end ();
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123 p++)
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124 {
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125 tree_argument_list *elt = *p;
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126
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127 if (elt && elt->has_magic_end ())
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128 return true;
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129 }
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130
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131 return false;
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132 }
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133
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134 // This is useful for printing the name of the variable in an indexed
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135 // assignment.
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136
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137 std::string
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138 tree_index_expression::name (void) const
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139 {
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140 return expr->name ();
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141 }
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142
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143 static Cell
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144 make_subs_cell (tree_argument_list *args, const string_vector& arg_nm)
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145 {
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146 Cell retval;
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147
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148 octave_value_list arg_values;
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149
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150 if (args)
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151 arg_values = args->convert_to_const_vector ();
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152
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153 if (! error_state)
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154 {
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155 int n = arg_values.length ();
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156
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157 if (n > 0)
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158 {
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159 arg_values.stash_name_tags (arg_nm);
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160
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161 retval.resize (dim_vector (1, n));
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162
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163 for (int i = 0; i < n; i++)
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164 retval(0,i) = arg_values(i);
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165 }
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166 }
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167
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168 return retval;
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169 }
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170
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171 static inline octave_value_list
4234
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172 make_value_list (tree_argument_list *args, const string_vector& arg_nm,
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173 const octave_value *object)
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174 {
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175 octave_value_list retval;
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176
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177 if (args)
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178 {
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179 if (object && args->has_magic_end () && object->is_undefined ())
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180 gripe_invalid_inquiry_subscript ();
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181 else
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182 retval = args->convert_to_const_vector (object);
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183 }
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184
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185 if (! error_state)
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186 {
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187 octave_idx_type n = retval.length ();
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188
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189 if (n > 0)
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190 retval.stash_name_tags (arg_nm);
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191 }
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192
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193 return retval;
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194 }
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195
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196 std::string
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197 tree_index_expression::get_struct_index
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198 (std::list<string_vector>::const_iterator p_arg_nm,
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199 std::list<tree_expression *>::const_iterator p_dyn_field) const
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200 {
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201 std::string fn = (*p_arg_nm)(0);
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202
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203 if (fn.empty ())
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204 {
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205 tree_expression *df = *p_dyn_field;
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206
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207 if (df)
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208 {
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209 octave_value t = df->rvalue1 ();
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210
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211 if (! error_state)
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212 {
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213 fn = t.string_value ();
4143
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214
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215 if (! valid_identifier (fn))
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216 ::error ("invalid structure field name `%s'", fn.c_str ());
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217 }
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218 }
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219 else
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220 panic_impossible ();
4131
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221 }
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222
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223 return fn;
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224 }
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225
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226 octave_map
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227 tree_index_expression::make_arg_struct (void) const
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228 {
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229 int n = args.size ();
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230
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diff changeset
231 Cell type_field (n, 1);
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232 Cell subs_field (n, 1);
3933
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233
4219
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234 std::list<tree_argument_list *>::const_iterator p_args = args.begin ();
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235 std::list<string_vector>::const_iterator p_arg_nm = arg_nm.begin ();
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236 std::list<tree_expression *>::const_iterator p_dyn_field = dyn_field.begin ();
3933
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237
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diff changeset
238 octave_map m;
3933
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239
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diff changeset
240 for (int i = 0; i < n; i++)
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241 {
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diff changeset
242 switch (type[i])
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243 {
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244 case '(':
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245 subs_field(i) = make_subs_cell (*p_args, *p_arg_nm);
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246 break;
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247
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248 case '{':
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249 subs_field(i) = make_subs_cell (*p_args, *p_arg_nm);
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250 break;
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251
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diff changeset
252 case '.':
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253 subs_field(i) = get_struct_index (p_arg_nm, p_dyn_field);
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diff changeset
254 break;
3933
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255
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diff changeset
256 default:
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257 panic_impossible ();
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258 }
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259
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260 if (error_state)
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261 return m;
3933
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262
4219
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263 p_args++;
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diff changeset
264 p_arg_nm++;
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265 p_dyn_field++;
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266 }
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267
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268 m.assign ("type", type_field);
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269 m.assign ("subs", subs_field);
3933
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270
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diff changeset
271 return m;
2991
fc751d2a99fd [project @ 1997-05-16 21:00:48 by jwe]
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diff changeset
272 }
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diff changeset
273
2980
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diff changeset
274 octave_value_list
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diff changeset
275 tree_index_expression::rvalue (int nargout)
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diff changeset
276 {
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277 return tree_index_expression::rvalue (nargout, 0);
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diff changeset
278 }
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diff changeset
279
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diff changeset
280 octave_value_list
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281 tree_index_expression::rvalue (int nargout, const std::list<octave_lvalue> *lvalue_list)
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diff changeset
282 {
2980
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283 octave_value_list retval;
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284
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diff changeset
285 if (error_state)
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parents:
diff changeset
286 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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diff changeset
287
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diff changeset
288 octave_value first_expr_val;
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289
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diff changeset
290 octave_value_list first_args;
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diff changeset
291
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diff changeset
292 bool have_args = false;
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diff changeset
293
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diff changeset
294 if (expr->is_identifier () && type[0] == '(')
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diff changeset
295 {
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diff changeset
296 tree_identifier *id = dynamic_cast<tree_identifier *> (expr);
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diff changeset
297
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diff changeset
298 if (! (id->is_variable () || args.empty ()))
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299 {
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diff changeset
300 tree_argument_list *al = *(args.begin ());
7336
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diff changeset
301
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diff changeset
302 size_t n = al ? al->length () : 0;
7336
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diff changeset
303
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diff changeset
304 if (n > 0)
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diff changeset
305 {
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diff changeset
306 string_vector anm = *(arg_nm.begin ());
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diff changeset
307 have_args = true;
c5f03874ea2a simplify symbol_table::find and associated functions
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diff changeset
308 first_args = al -> convert_to_const_vector ();
c5f03874ea2a simplify symbol_table::find and associated functions
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diff changeset
309 first_args.stash_name_tags (anm);
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diff changeset
310
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c5f03874ea2a simplify symbol_table::find and associated functions
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diff changeset
311 if (! error_state)
c5f03874ea2a simplify symbol_table::find and associated functions
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diff changeset
312 first_expr_val = id->do_lookup (first_args);
10315
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313 }
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diff changeset
314 }
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diff changeset
315 }
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316
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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diff changeset
317 if (! error_state)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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parents:
diff changeset
318 {
7336
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parents: 7200
diff changeset
319 if (first_expr_val.is_undefined ())
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diff changeset
320 first_expr_val = expr->rvalue1 ();
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diff changeset
321
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
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diff changeset
322 octave_value tmp = first_expr_val;
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906f976d35a8 further improve struct&cell indexing & indexed assignment
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parents: 8546
diff changeset
323 octave_idx_type tmpi = 0;
7336
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diff changeset
324
4219
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diff changeset
325 std::list<octave_value_list> idx;
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diff changeset
326
4219
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diff changeset
327 int n = args.size ();
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diff changeset
328
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diff changeset
329 std::list<tree_argument_list *>::iterator p_args = args.begin ();
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330 std::list<string_vector>::iterator p_arg_nm = arg_nm.begin ();
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diff changeset
331 std::list<tree_expression *>::iterator p_dyn_field = dyn_field.begin ();
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diff changeset
332
3933
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diff changeset
333 for (int i = 0; i < n; i++)
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diff changeset
334 {
57a59eae83cc untabify src C++ source files
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diff changeset
335 if (i > 0)
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diff changeset
336 {
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diff changeset
337 tree_argument_list *al = *p_args;
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diff changeset
338
9692
126b49caba0d smart splitting of index chains
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diff changeset
339 // In Matlab, () can only be followed by . In Octave, we do not
126b49caba0d smart splitting of index chains
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parents: 9445
diff changeset
340 // enforce this for rvalue expressions, but we'll split the
126b49caba0d smart splitting of index chains
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parents: 9445
diff changeset
341 // evaluation at this point. This will, hopefully, allow Octave's
126b49caba0d smart splitting of index chains
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parents: 9445
diff changeset
342 // looser rules apply smoothly for Matlab overloaded subsref
126b49caba0d smart splitting of index chains
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parents: 9445
diff changeset
343 // codes.
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parents: 9445
diff changeset
344 bool force_split = type[i-1] == '(' && type[i] != '.';
126b49caba0d smart splitting of index chains
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parents: 9445
diff changeset
345
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diff changeset
346 if (force_split || (al && al->has_magic_end ()))
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diff changeset
347 {
57a59eae83cc untabify src C++ source files
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diff changeset
348 // We have an expression like
57a59eae83cc untabify src C++ source files
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diff changeset
349 //
57a59eae83cc untabify src C++ source files
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diff changeset
350 // x{end}.a(end)
57a59eae83cc untabify src C++ source files
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diff changeset
351 //
57a59eae83cc untabify src C++ source files
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352 // and we are looking at the argument list that
57a59eae83cc untabify src C++ source files
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diff changeset
353 // contains the second (or third, etc.) "end" token,
57a59eae83cc untabify src C++ source files
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diff changeset
354 // so we must evaluate everything up to the point of
57a59eae83cc untabify src C++ source files
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diff changeset
355 // that argument list so we can pass the appropriate
57a59eae83cc untabify src C++ source files
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diff changeset
356 // value to the built-in __end__ function.
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diff changeset
357
10315
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diff changeset
358 const octave_value_list tmp_list
57a59eae83cc untabify src C++ source files
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diff changeset
359 = tmp.subsref (type.substr (tmpi, i - tmpi), idx, nargout);
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diff changeset
360
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diff changeset
361 tmp = tmp_list.length () ? tmp_list(0) : octave_value ();
8551
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diff changeset
362 tmpi = i;
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
363 idx.clear ();
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
364
906f976d35a8 further improve struct&cell indexing & indexed assignment
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parents: 8546
diff changeset
365 if (tmp.is_cs_list ())
906f976d35a8 further improve struct&cell indexing & indexed assignment
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diff changeset
366 gripe_indexed_cs_list ();
4432
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diff changeset
367
10315
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diff changeset
368 if (error_state)
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
369 break;
57a59eae83cc untabify src C++ source files
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diff changeset
370 }
57a59eae83cc untabify src C++ source files
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diff changeset
371 }
4432
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diff changeset
372
10315
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diff changeset
373 switch (type[i])
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diff changeset
374 {
57a59eae83cc untabify src C++ source files
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diff changeset
375 case '(':
57a59eae83cc untabify src C++ source files
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diff changeset
376 if (have_args)
57a59eae83cc untabify src C++ source files
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diff changeset
377 {
57a59eae83cc untabify src C++ source files
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diff changeset
378 idx.push_back (first_args);
57a59eae83cc untabify src C++ source files
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diff changeset
379 have_args = false;
57a59eae83cc untabify src C++ source files
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diff changeset
380 }
57a59eae83cc untabify src C++ source files
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diff changeset
381 else
57a59eae83cc untabify src C++ source files
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diff changeset
382 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
383 break;
3930
61d4427c016e [project @ 2002-05-07 00:47:31 by jwe]
jwe
parents: 3929
diff changeset
384
10315
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
385 case '{':
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
386 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
387 break;
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
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parents:
diff changeset
388
10315
57a59eae83cc untabify src C++ source files
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diff changeset
389 case '.':
57a59eae83cc untabify src C++ source files
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diff changeset
390 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
391 break;
3930
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jwe
parents: 3929
diff changeset
392
10315
57a59eae83cc untabify src C++ source files
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diff changeset
393 default:
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
394 panic_impossible ();
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
395 }
3930
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diff changeset
396
10315
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
397 if (error_state)
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
398 break;
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
399
10315
57a59eae83cc untabify src C++ source files
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diff changeset
400 p_args++;
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
401 p_arg_nm++;
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
402 p_dyn_field++;
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
403 }
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
404
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
405 if (! error_state)
10832
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10659
diff changeset
406 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
407 lvalue_list);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
408 }
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 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
411 }
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 octave_value
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8580
diff changeset
414 tree_index_expression::rvalue1 (int nargout)
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
415 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
416 octave_value retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
417
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8580
diff changeset
418 const octave_value_list tmp = rvalue (nargout);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
419
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
420 if (! tmp.empty ())
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
421 retval = tmp(0);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
422
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
423 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
424 }
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 octave_lvalue
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
427 tree_index_expression::lvalue (void)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
428 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
429 octave_lvalue retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
430
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4192
diff changeset
431 std::list<octave_value_list> idx;
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
432 std::string tmp_type;
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
433
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
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parents: 4192
diff changeset
434 int n = args.size ();
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
435
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4192
diff changeset
436 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
437 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
438 std::list<tree_expression *>::iterator p_dyn_field = dyn_field.begin ();
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
439
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
440 retval = expr->lvalue ();
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
441
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
442 if (! error_state)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
443 {
4432
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parents: 4234
diff changeset
444 const octave_value *tro = retval.object ();
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
445
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
446 octave_value tmp;
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
447
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
448 if (tro)
10315
57a59eae83cc untabify src C++ source files
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parents: 10206
diff changeset
449 tmp = *tro;
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
450
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
451 octave_idx_type tmpi = 0;
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
452 std::list<octave_value_list> tmpidx;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
453
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
454 for (int i = 0; i < n; i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
455 {
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
456 if (retval.numel () != 1)
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
457 gripe_indexed_cs_list ();
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
458 else if (tmpi < i)
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
459 {
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
460 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
461 tmpidx.clear ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
462 }
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
463
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
464 if (error_state)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
465 break;
4432
ff7187bd3075 [project @ 2003-06-19 16:40:53 by jwe]
jwe
parents: 4234
diff changeset
466
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
467 switch (type[i])
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
468 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
469 case '(':
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
470 {
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
471 octave_value_list tidx
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
472 = 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
473
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
474 idx.push_back (tidx);
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
475
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
476 if (i < n - 1)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
477 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
478 if (type[i+1] == '.')
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
479 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
480 tmpidx.push_back (tidx);
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
481 tmpi = i+1;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
482 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
483 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
484 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
485 }
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
486 }
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
487 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
488
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
489 case '{':
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
490 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
491 octave_value_list tidx
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
492 = 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
493
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
494 if (tmp.is_undefined ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
495 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
496 if (tidx.has_magic_colon ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
497 gripe_invalid_inquiry_subscript ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
498 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
499 tmp = Cell ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
500 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
501 else if (tmp.is_zero_by_zero ()
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
502 && (tmp.is_matrix_type () || tmp.is_string ()))
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
503 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
504 tmp = Cell ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
505 }
5846
db0598f94c0f [project @ 2006-06-07 18:16:16 by jwe]
jwe
parents: 5775
diff changeset
506
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
507 retval.numel (tmp.numel (tidx));
5846
db0598f94c0f [project @ 2006-06-07 18:16:16 by jwe]
jwe
parents: 5775
diff changeset
508
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
509 if (error_state)
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
510 break;
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
511
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
512 idx.push_back (tidx);
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
513 tmpidx.push_back (tidx);
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
514 tmpi = i;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
515 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
516 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
517
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
518 case '.':
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
519 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
520 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
521 if (error_state)
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
522 break;
6833
e8a18d380097 [project @ 2007-08-27 17:22:50 by jwe]
jwe
parents: 6811
diff changeset
523
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
524 bool autoconv = (tmp.is_zero_by_zero ()
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
525 && (tmp.is_matrix_type () || tmp.is_string ()
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
526 || tmp.is_cell ()));
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
527
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
528 if (i > 0 && type [i-1] == '(')
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
529 {
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
530 octave_value_list pidx = idx.back ();
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
531
11067
d7f0d115c10c pt-idx.cc (tree_expression::lvalue): use octave_map here, not octave_scalar_map
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
532 // Use octave_map, not octave_scalar_map so that the
d7f0d115c10c pt-idx.cc (tree_expression::lvalue): use octave_map here, not octave_scalar_map
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
533 // dimensions are 0x0, not 1x1.
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
534 if (tmp.is_undefined ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
535 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
536 if (pidx.has_magic_colon ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
537 gripe_invalid_inquiry_subscript ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
538 else
11067
d7f0d115c10c pt-idx.cc (tree_expression::lvalue): use octave_map here, not octave_scalar_map
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
539 tmp = octave_map ();
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
540 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
541 else if (autoconv)
11067
d7f0d115c10c pt-idx.cc (tree_expression::lvalue): use octave_map here, not octave_scalar_map
John W. Eaton <jwe@octave.org>
parents: 11066
diff changeset
542 tmp = octave_map ();
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
543
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
544 retval.numel (tmp.numel (pidx));
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
545
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
546 tmpi = i-1;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
547 tmpidx.push_back (tidx);
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
548 }
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
549 else
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
550 {
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
551 if (tmp.is_undefined () || autoconv)
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
552 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
553 tmpi = i+1;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
554 tmp = octave_value ();
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
555 }
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
556 else
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
557 {
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
558 retval.numel (tmp.numel (octave_value_list ()));
7099
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
559
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
560 tmpi = i;
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
561 tmpidx.push_back (tidx);
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
562 }
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
563 }
7057
c344920f9e9d [project @ 2007-10-24 04:39:57 by jwe]
jwe
parents: 7043
diff changeset
564
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
565 if (error_state)
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
566 break;
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
567
8551
906f976d35a8 further improve struct&cell indexing & indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 8546
diff changeset
568 idx.push_back (tidx);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
569 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
570 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
571
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
572 default:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
573 panic_impossible ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
574 }
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
575
9329
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
576 if (idx.back ().empty ())
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
577 error ("invalid empty index list");
67fc970dad7d improve indexed assignment using indexed numel
Jaroslav Hajek <highegg@gmail.com>
parents: 9125
diff changeset
578
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
579 if (error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
580 break;
4234
90e44267e8cf [project @ 2002-12-21 17:15:25 by jwe]
jwe
parents: 4233
diff changeset
581
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
582 p_args++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
583 p_arg_nm++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
584 p_dyn_field++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
585 }
3930
61d4427c016e [project @ 2002-05-07 00:47:31 by jwe]
jwe
parents: 3929
diff changeset
586
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3930
diff changeset
587 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
588 retval.set_index (type, idx);
8546
3d8a914c580e improve parser indexed assigment code
Jaroslav Hajek <highegg@gmail.com>
parents: 8011
diff changeset
589
2980
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
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
592 return retval;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
593 }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
594
7099
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
595 /*
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
596 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
597 %! x = {1, 2, 3};
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
598 %! [x{:}] = deal (4, 5, 6);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
599 %! assert (x, {4, 5, 6});
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
600
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
601 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
602 %! [x.a, x.b.c] = deal (1, 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
603 %! assert (x.a == 1 && x.b.c == 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
604
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
605 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
606 %! [x.a, x(2).b] = deal (1, 2);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
607 %! 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
608
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
609 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
610 %! x = struct (zeros (0, 1), {"a", "b"});
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
611 %! x(2).b = 1;
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
612 %! assert (x(2).b == 1);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
613
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
614 %!test
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
615 %! x = struct (zeros (0, 1), {"a", "b"});
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
616 %! x(2).b = 1;
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
617 %! assert (x(2).b == 1);
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
618 */
70f30a92b725 [project @ 2007-11-05 21:51:24 by jwe]
jwe
parents: 7057
diff changeset
619
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
620 tree_index_expression *
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
621 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
622 symbol_table::context_id context) const
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
623 {
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
624 tree_index_expression *new_idx_expr
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
625 = new tree_index_expression (line (), column ());
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
626
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
627 new_idx_expr->expr = expr ? expr->dup (scope, context) : 0;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
628
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
629 std::list<tree_argument_list *> new_args;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
630
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
631 for (std::list<tree_argument_list *>::const_iterator p = args.begin ();
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
632 p != args.end ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
633 p++)
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
634 {
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
635 const tree_argument_list *elt = *p;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
636
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
637 new_args.push_back (elt ? elt->dup (scope, context) : 0);
5861
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
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
640 new_idx_expr->args = new_args;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
641
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
642 new_idx_expr->type = type;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
643
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
644 new_idx_expr->arg_nm = arg_nm;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
645
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
646 std::list<tree_expression *> new_dyn_field;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
647
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
648 for (std::list<tree_expression *>::const_iterator p = dyn_field.begin ();
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
649 p != dyn_field.end ();
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
650 p++)
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
651 {
8913
35cd375d4bb3 make tree::dup functions const
John W. Eaton <jwe@octave.org>
parents: 8658
diff changeset
652 const tree_expression *elt = *p;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
653
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
654 new_dyn_field.push_back (elt ? elt->dup (scope, context) : 0);
5861
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
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
657 new_idx_expr->dyn_field = new_dyn_field;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
658
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
659 new_idx_expr->copy_base (*this);
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
660
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
661 return new_idx_expr;
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
662 }
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5846
diff changeset
663
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
664 void
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
665 tree_index_expression::accept (tree_walker& tw)
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
666 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
667 tw.visit_index_expression (*this);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
668 }