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maint: Merge stable to default.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 28 May 2024 15:25:54 +0200
parents d422992b5483
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2024 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 "interpreter.h"
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31 #include "ov.h"
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32 #include "profiler.h"
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33 #include "pt-unop.h"
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34
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35 OCTAVE_BEGIN_NAMESPACE(octave)
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36
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37 // Unary expressions.
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38
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39 std::string
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40 tree_unary_expression::oper () const
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41 {
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42 return octave_value::unary_op_as_string (m_etype);
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43 }
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44
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45 // Prefix expressions.
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46
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47 tree_expression *
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48 tree_prefix_expression::dup (symbol_scope& scope) const
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49 {
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50 tree_prefix_expression *new_pe
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51 = new tree_prefix_expression (m_op_tok, m_op ? m_op->dup (scope) : nullptr, m_etype);
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52
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53 new_pe->copy_base (*this);
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54
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55 return new_pe;
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56 }
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57
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58 octave_value
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59 tree_prefix_expression::evaluate (tree_evaluator& tw, int)
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60 {
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61 octave_value val;
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62
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63 if (m_op)
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64 {
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65 if (m_etype == octave_value::op_incr
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66 || m_etype == octave_value::op_decr)
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67 {
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68 octave_lvalue op_ref = m_op->lvalue (tw);
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69
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70 profiler::enter<tree_prefix_expression>
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71 block (tw.get_profiler (), *this);
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72
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73 op_ref.unary_op (m_etype);
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74
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75 val = op_ref.value ();
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76 }
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77 else
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78 {
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79 // Evaluate with unknown number of output arguments
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80 octave_value op_val = m_op->evaluate (tw, -1);
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81
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82 if (op_val.is_defined ())
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83 {
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84 profiler::enter<tree_prefix_expression>
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85 block (tw.get_profiler (), *this);
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86
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87 // Attempt to do the operation in-place if it is unshared
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88 // (a temporary expression).
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89 if (op_val.get_count () == 1)
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90 val = op_val.non_const_unary_op (m_etype);
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91 else
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92 {
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93 interpreter& interp = tw.get_interpreter ();
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94
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95 type_info& ti = interp.get_type_info ();
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96
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97 val = unary_op (ti, m_etype, op_val);
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98 }
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99 }
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100 }
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101 }
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102
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103 return val;
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104 }
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105
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106 // Postfix expressions.
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107
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108 tree_expression *
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109 tree_postfix_expression::dup (symbol_scope& scope) const
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110 {
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111 tree_postfix_expression *new_pe
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112 = new tree_postfix_expression (m_op ? m_op->dup (scope) : nullptr, m_op_tok, m_etype);
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113
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114 new_pe->copy_base (*this);
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115
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116 return new_pe;
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117 }
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118
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119 octave_value
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120 tree_postfix_expression::evaluate (tree_evaluator& tw, int)
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121 {
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122 octave_value val;
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123
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124 if (m_op)
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125 {
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126 if (m_etype == octave_value::op_incr
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127 || m_etype == octave_value::op_decr)
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128 {
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129 octave_lvalue ref = m_op->lvalue (tw);
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130
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131 val = ref.value ();
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132
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133 profiler::enter<tree_postfix_expression>
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134 block (tw.get_profiler (), *this);
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135
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136 ref.unary_op (m_etype);
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137 }
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138 else
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139 {
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140 // Evaluate with unknown number of output arguments
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141 octave_value op_val = m_op->evaluate (tw, -1);
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142
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143 if (op_val.is_defined ())
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144 {
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145 profiler::enter<tree_postfix_expression>
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146 block (tw.get_profiler (), *this);
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147
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148 interpreter& interp = tw.get_interpreter ();
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149
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150 type_info& ti = interp.get_type_info ();
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151
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152 val = unary_op (ti, m_etype, op_val);
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153 }
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154 }
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155 }
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156
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157 return val;
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158 }
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e88a07dec498 maint: Use macros to begin/end C++ namespaces.
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parents: 30564
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159
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
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parents: 30564
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160 OCTAVE_END_NAMESPACE(octave)