annotate libinterp/parse-tree/pt-arg-list.h @ 28805:2219b0ed8754 stable

eliminate has_magic_end and includes_magic_end functions * pt-arg-list.h, pt-arg-list.cc (tree_argument_list::has_magic_end, tree_argument_list::includes_magic_end): Delete member functions that are no longer used. (tree_argument_list::m_list_includes_magic_end): Delete member variable. * pt-exp.h (tree_expression::has_magic_end): Delete pure virtual function and all implementations in derived classes.
author John W. Eaton <jwe@octave.org>
date Thu, 17 Sep 2020 02:09:17 -0400
parents bd51beb6205e
children d5efdf5cfc56 0a5b15007766
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2020 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 (octave_pt_arg_list_h)
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27 #define octave_pt_arg_list_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <list>
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32
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33 class octave_value;
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34 class octave_value_list;
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35
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36 #include "str-vec.h"
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37
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38 #include "base-list.h"
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39 #include "pt-walk.h"
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40
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41 namespace octave
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42 {
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43 class symbol_scope;
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44 class tree_evaluator;
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45 class tree_expression;
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46
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47 // Argument lists. Used to hold the list of expressions that are the
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48 // arguments in a function call or index expression.
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49
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50 class tree_argument_list : public base_list<tree_expression *>
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51 {
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52 public:
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53
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54 typedef tree_expression* element_type;
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55
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56 tree_argument_list (void)
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57 : m_list_includes_magic_tilde (false), m_simple_assign_lhs (false)
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58 { }
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59
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60 tree_argument_list (tree_expression *t)
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61 : m_list_includes_magic_tilde (false), m_simple_assign_lhs (false)
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62 { append (t); }
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63
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64 // No copying!
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65
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66 tree_argument_list (const tree_argument_list&) = delete;
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67
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68 tree_argument_list& operator = (const tree_argument_list&) = delete;
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69
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70 ~tree_argument_list (void);
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71
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72 bool has_magic_tilde (void) const
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73 {
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74 return m_list_includes_magic_tilde;
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75 }
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76
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77 bool includes_magic_tilde (void) const
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78 {
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79 return m_list_includes_magic_tilde;
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80 }
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81
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82 tree_expression * remove_front (void)
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83 {
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84 auto p = begin ();
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85 tree_expression *retval = *p;
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86 erase (p);
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87 return retval;
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88 }
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89
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90 void append (const element_type& s);
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91
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92 void mark_as_simple_assign_lhs (void) { m_simple_assign_lhs = true; }
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93
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94 bool is_simple_assign_lhs (void) { return m_simple_assign_lhs; }
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95
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96 bool all_elements_are_constant (void) const;
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97
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98 bool is_valid_lvalue_list (void) const;
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99
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100 string_vector get_arg_names (void) const;
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101
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102 std::list<std::string> variable_names (void) const;
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103
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104 tree_argument_list * dup (symbol_scope& scope) const;
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105
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106 void accept (tree_walker& tw)
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107 {
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108 tw.visit_argument_list (*this);
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109 }
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110
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111 private:
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112
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113 bool m_list_includes_magic_tilde;
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114
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115 bool m_simple_assign_lhs;
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116 };
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117 }
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118
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119 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
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120
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121 // tree_argument_list is derived from a template.
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122
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123 #endif
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124
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125 #endif