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annotate libinterp/octave-value/cdef-property.cc @ 32060:1203a2d81a42

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Add BIST tests for Matlab compatibility for functions which accept negative dimensions. * data.cc (Fones, Finf, Feps, Feye): Add BIST test for negative dimensions. * rand.cc (Frand): Add BIST test for negative dimensions. * ov-cell.cc (Fcell): Add BIST test for negative dimensions.
author Rik <rik@octave.org>
date Wed, 26 Apr 2023 16:26:32 -0700
parents 21f9b34eb893
children 2e484f9f1f18
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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3 // Copyright (C) 2012-2023 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <algorithm>
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31 #include <iomanip>
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32
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33 #include "cdef-class.h"
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34 #include "cdef-manager.h"
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35 #include "cdef-utils.h"
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36 #include "errwarn.h"
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37 #include "interpreter-private.h"
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38 #include "interpreter.h"
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39 #include "load-path.h"
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40 #include "ov-builtin.h"
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41 #include "ov-classdef.h"
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42 #include "ov-fcn-handle.h"
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43 #include "ov-usr-fcn.h"
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44 #include "pt-assign.h"
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45 #include "pt-classdef.h"
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46 #include "pt-eval.h"
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47 #include "pt-idx.h"
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48 #include "pt-misc.h"
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49 #include "pt-stmt.h"
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50 #include "pt-walk.h"
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51
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52 OCTAVE_BEGIN_NAMESPACE(octave)
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53
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54 static bool
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55 is_method_executing (const octave_value& ov, const cdef_object& obj)
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56 {
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57 tree_evaluator& tw = __get_evaluator__ ();
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58
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59 octave_function *stack_fcn = tw.current_function ();
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60
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61 octave_function *method_fcn = ov.function_value (true);
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62
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63 // Does the top of the call stack match our target function?
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64
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65 if (stack_fcn && stack_fcn == method_fcn)
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66 {
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67 octave_user_function *uf = method_fcn->user_function_value (true);
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68
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69 // We can only check the context object for user-function (not builtin),
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70 // where we have access to the parameters (arguments and return values).
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71 // That's ok as there's no need to call this function for builtin
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72 // methods.
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73
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74 if (uf)
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75 {
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76 // At this point, the method is executing, but we still need to
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77 // check the context object for which the method is executing. For
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78 // methods, it's the first argument of the function; for ctors, it
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79 // is the first return value.
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80
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81 tree_parameter_list *pl = uf->is_classdef_constructor ()
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82 ? uf->return_list ()
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83 : uf->parameter_list ();
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84
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85 if (pl && pl->size () > 0)
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86 {
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87 tree_decl_elt *elt = pl->front ();
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88
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89 octave_value arg0 = tw.evaluate (elt);
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90
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91 if (arg0.is_defined () && arg0.type_name () == "object")
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92 {
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93 cdef_object arg0_obj = to_cdef (arg0);
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94
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95 return obj.is (arg0_obj);
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96 }
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97 }
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98 }
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99 }
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100
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101 return false;
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102 }
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103
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104 octave_value
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105 cdef_property::cdef_property_rep::get_value (const cdef_object& obj,
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106 bool do_check_access,
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107 const std::string& who) const
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108 {
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109 octave_value retval;
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110
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111 if (do_check_access && ! check_get_access ())
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112 err_property_access (who, false);
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113
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114 if (! obj.is_constructed ())
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115 {
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116 cdef_class cls (to_cdef (get ("DefiningClass")));
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117
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118 if (! obj.is_partially_constructed_for (cls))
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119 error ("cannot reference properties of class '%s' for non-constructed object",
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120 cls.get_name ().c_str ());
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121 }
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122
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123 octave_value get_fcn = get ("GetMethod");
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124
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125 // FIXME: should check whether we're already in get accessor method
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126
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127 if (get_fcn.isempty () || is_method_executing (get_fcn, obj))
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128 retval = obj.get (get ("Name").string_value ());
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129 else
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130 {
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131 octave_value_list args;
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132
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133 args(0) = to_ov (obj);
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134
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135 interpreter& interp = __get_interpreter__ ();
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136
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137 args = interp.feval (get_fcn, args, 1);
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138
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139 retval = args(0);
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140 }
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141
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142 return retval;
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143 }
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144
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145 octave_value
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146 cdef_property::cdef_property_rep::get_value (bool do_check_access,
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147 const std::string& who) const
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148 {
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149 if (do_check_access && ! check_get_access ())
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150 err_property_access (who, false);
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151
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152 return get ("DefaultValue");
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153 }
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154
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155 bool
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156 cdef_property::cdef_property_rep::is_recursive_set (const cdef_object& /* obj */) const
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157 {
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158 // FIXME: implement
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159 return false;
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160 }
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161
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162 OCTAVE_NORETURN void
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163 cdef_property::cdef_property_rep::err_property_access
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164 (const std::string& from, bool is_set) const
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165 {
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166 octave_value acc = get (is_set ? "SetAccess" : "GetAccess");
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167 std::string acc_s;
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168
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169 if (acc.is_string ())
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170 acc_s = acc.string_value ();
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171 else
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172 acc_s = "class-restricted";
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173
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174 if (is_set)
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175 error ("%s: property '%s' has %s access and cannot be set in this context",
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176 from.c_str (), get_name ().c_str (), acc_s.c_str ());
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177 else
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178 error ("%s: property '%s' has %s access and cannot be obtained in this context",
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179 from.c_str (), get_name ().c_str (), acc_s.c_str ());
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180 }
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181
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182 void
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183 cdef_property::cdef_property_rep::set_value (cdef_object& obj,
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184 const octave_value& val,
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185 bool do_check_access,
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186 const std::string& who)
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187 {
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188 if (do_check_access && ! check_set_access ())
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189 err_property_access (who, true);
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190
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191 if (! obj.is_constructed ())
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192 {
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193 cdef_class cls (to_cdef (get ("DefiningClass")));
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194
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195 if (! obj.is_partially_constructed_for (cls))
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196 error ("cannot reference properties of class '%s' for non-constructed object",
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197 cls.get_name ().c_str ());
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198 }
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199
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200 octave_value set_fcn = get ("SetMethod");
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201
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202 if (set_fcn.isempty () || is_method_executing (set_fcn, obj))
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203 obj.put (get ("Name").string_value (), val);
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204 else
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205 {
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206 octave_value_list args;
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207
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208 args(0) = to_ov (obj);
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209 args(1) = val;
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210
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211 interpreter& interp = __get_interpreter__ ();
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212
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213 if (obj.is_handle_object ())
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214 interp.feval (set_fcn, args, 0);
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215 else
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216 {
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217 args = interp.feval (set_fcn, args, 1);
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218
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219 if (args.length () > 0 && args(0).is_defined ())
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220 {
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221 if (args(0).is_classdef_object ())
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222 {
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223 cdef_object new_obj = to_cdef (args(0));
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224
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225 obj = new_obj;
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226 }
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227 else
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228 ::warning ("set-method of property '%s' returned a non-classdef object",
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229 get_name ().c_str ());
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230 }
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231 }
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232 }
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233 }
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234
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235 bool
31771
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236 cdef_property::cdef_property_rep::check_get_access () const
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237 {
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238 cdef_class cls (to_cdef (get ("DefiningClass")));
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239
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240 return check_access (cls, get ("GetAccess"), "", get_name (), false);
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241
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242 return false;
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243 }
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244
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245 bool
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246 cdef_property::cdef_property_rep::check_set_access () const
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247 {
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248 cdef_class cls (to_cdef (get ("DefiningClass")));
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249
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250 return check_access (cls, get ("SetAccess"), "", get_name (), true);
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251
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252 return false;
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253 }
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254
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
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255 OCTAVE_END_NAMESPACE(octave)