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annotate libinterp/parse-tree/pt-select.h @ 23075:4e3d47dc7e25

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move parse tree classes inside octave namespace * lex.h, lex.ll, oct-parse.in.yy, parse.h, pt-all.h, pt-arg-list.cc, pt-arg-list.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt.cc, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.cc, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-funcall.cc, pt-funcall.h, pt.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.cc, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-stmt.cc, pt-stmt.h, pt-unop.cc, pt-unop.h, pt-walk.h, token.cc, token.h: Move classes and most functions inside octave namespace. Change all uses.
author John W. Eaton <jwe@octave.org>
date Thu, 19 Jan 2017 23:41:54 -0500
parents f75d289645ec
children ef4d915df748
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1 /*
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2
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3 Copyright (C) 1996-2016 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
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9 the Free Software Foundation; either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 #if ! defined (octave_pt_select_h)
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24 #define octave_pt_select_h 1
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25
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26 #include "octave-config.h"
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27
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28 #include "base-list.h"
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29 #include "comment-list.h"
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30 #include "pt-cmd.h"
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31 #include "symtab.h"
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32
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33 namespace octave
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34 {
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35 class tree_expression;
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36 class tree_statement_list;
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37
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38 class tree_walker;
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39
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40 // If.
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41
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42 class tree_if_clause : public tree
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43 {
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44 public:
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45
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46 tree_if_clause (int l = -1, int c = -1)
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47 : tree (l, c), expr (0), list (0), lead_comm (0) { }
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48
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49 tree_if_clause (tree_statement_list *sl, octave_comment_list *lc = 0,
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50 int l = -1, int c = -1)
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51 : tree (l, c), expr (0), list (sl), lead_comm (lc) { }
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52
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53 tree_if_clause (tree_expression *e, tree_statement_list *sl,
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54 octave_comment_list *lc = 0,
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55 int l = -1, int c = -1)
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56 : tree (l, c), expr (e), list (sl), lead_comm (lc) { }
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57
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58 // No copying!
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60 tree_if_clause (const tree_if_clause&) = delete;
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61
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62 tree_if_clause& operator = (const tree_if_clause&) = delete;
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63
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64 ~tree_if_clause (void);
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65
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66 bool is_else_clause (void) { return ! expr; }
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67
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68 tree_expression *condition (void) { return expr; }
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69
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70 tree_statement_list *commands (void) { return list; }
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71
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72 octave_comment_list *leading_comment (void) { return lead_comm; }
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73
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74 tree_if_clause *dup (symbol_table::scope_id scope,
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75 symbol_table::context_id context) const;
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76
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77 void accept (tree_walker& tw);
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78
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79 private:
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80
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81 // The condition to test.
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82 tree_expression *expr;
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83
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84 // The list of statements to evaluate if expr is true.
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85 tree_statement_list *list;
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86
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87 // Comment preceding ELSE or ELSEIF token.
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88 octave_comment_list *lead_comm;
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89 };
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90
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91 class tree_if_command_list : public octave::base_list<tree_if_clause *>
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92 {
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93 public:
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94
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95 tree_if_command_list (void) { }
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96
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97 tree_if_command_list (tree_if_clause *t) { append (t); }
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98
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99 // No copying!
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101 tree_if_command_list (const tree_if_command_list&) = delete;
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102
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103 tree_if_command_list& operator = (const tree_if_command_list&) = delete;
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104
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105 ~tree_if_command_list (void)
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106 {
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107 while (! empty ())
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108 {
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109 iterator p = begin ();
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110 delete *p;
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111 erase (p);
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112 }
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113 }
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114
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115 tree_if_command_list *dup (symbol_table::scope_id scope,
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116 symbol_table::context_id context) const;
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117
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118 void accept (tree_walker& tw);
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119 };
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120
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121 class tree_if_command : public tree_command
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122 {
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123 public:
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124
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125 tree_if_command (int l = -1, int c = -1)
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126 : tree_command (l, c), list (0), lead_comm (0), trail_comm (0) { }
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127
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128 tree_if_command (tree_if_command_list *lst, octave_comment_list *lc,
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129 octave_comment_list *tc, int l = -1, int c = -1)
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130 : tree_command (l, c), list (lst), lead_comm (lc), trail_comm (tc) { }
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131
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132 // No copying!
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133
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134 tree_if_command (const tree_if_command&) = delete;
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135
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136 tree_if_command& operator = (const tree_if_command&) = delete;
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137
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138 ~tree_if_command (void);
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139
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140 tree_if_command_list *cmd_list (void) { return list; }
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141
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142 octave_comment_list *leading_comment (void) { return lead_comm; }
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143
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144 octave_comment_list *trailing_comment (void) { return trail_comm; }
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145
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146 tree_command *dup (symbol_table::scope_id scope,
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147 symbol_table::context_id context) const;
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148
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149 void accept (tree_walker& tw);
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150
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151 private:
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152
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153 // List of if commands (if, elseif, elseif, ... else, endif)
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154 tree_if_command_list *list;
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155
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156 // Comment preceding IF token.
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157 octave_comment_list *lead_comm;
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158
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159 // Comment preceding ENDIF token.
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160 octave_comment_list *trail_comm;
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161 };
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162
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163 // Switch.
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164
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165 class tree_switch_case : public tree
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166 {
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167 public:
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168
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169 tree_switch_case (int l = -1, int c = -1)
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170 : tree (l, c), label (0), list (0), lead_comm (0) { }
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171
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172 tree_switch_case (tree_statement_list *sl, octave_comment_list *lc = 0,
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173 int l = -1, int c = -1)
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174 : tree (l, c), label (0), list (sl), lead_comm (lc) { }
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175
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176 tree_switch_case (tree_expression *e, tree_statement_list *sl,
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177 octave_comment_list *lc = 0,
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178 int l = -1, int c = -1)
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179 : tree (l, c), label (e), list (sl), lead_comm (lc) { }
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180
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181 // No copying!
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182
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183 tree_switch_case (const tree_switch_case&) = delete;
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184
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185 tree_switch_case& operator = (const tree_switch_case&) = delete;
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186
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187 ~tree_switch_case (void);
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188
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189 bool is_default_case (void) { return ! label; }
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190
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191 bool label_matches (const octave_value& val);
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192
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193 tree_expression *case_label (void) { return label; }
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194
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195 tree_statement_list *commands (void) { return list; }
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196
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197 octave_comment_list *leading_comment (void) { return lead_comm; }
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198
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199 tree_switch_case *dup (symbol_table::scope_id scope,
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200 symbol_table::context_id context) const;
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201
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202 void accept (tree_walker& tw);
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203
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204 private:
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205
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206 // The case label.
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207 tree_expression *label;
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208
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209 // The list of statements to evaluate if the label matches.
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210 tree_statement_list *list;
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211
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212 // Comment preceding CASE or OTHERWISE token.
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213 octave_comment_list *lead_comm;
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214 };
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215
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216 class tree_switch_case_list : public octave::base_list<tree_switch_case *>
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217 {
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218 public:
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219
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220 tree_switch_case_list (void) { }
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221
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222 tree_switch_case_list (tree_switch_case *t) { append (t); }
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223
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224 // No copying!
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225
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226 tree_switch_case_list (const tree_switch_case_list&) = delete;
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227
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228 tree_switch_case_list& operator = (const tree_switch_case_list&) = delete;
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229
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230 ~tree_switch_case_list (void)
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231 {
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232 while (! empty ())
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233 {
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234 iterator p = begin ();
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235 delete *p;
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236 erase (p);
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237 }
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238 }
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239
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240 tree_switch_case_list *dup (symbol_table::scope_id scope,
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241 symbol_table::context_id context) const;
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242
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243 void accept (tree_walker& tw);
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244 };
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245
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246 class tree_switch_command : public tree_command
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247 {
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248 public:
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249
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250 tree_switch_command (int l = -1, int c = -1)
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251 : tree_command (l, c), expr (0), list (0), lead_comm (0),
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252 trail_comm (0) { }
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253
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254 tree_switch_command (tree_expression *e, tree_switch_case_list *lst,
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255 octave_comment_list *lc, octave_comment_list *tc,
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256 int l = -1, int c = -1)
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257 : tree_command (l, c), expr (e), list (lst), lead_comm (lc),
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258 trail_comm (tc) { }
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259
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260 // No copying!
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261
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262 tree_switch_command (const tree_switch_command&) = delete;
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263
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264 tree_switch_command& operator = (const tree_switch_command&) = delete;
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265
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266 ~tree_switch_command (void);
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267
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268 tree_expression *switch_value (void) { return expr; }
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269
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270 tree_switch_case_list *case_list (void) { return list; }
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271
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272 octave_comment_list *leading_comment (void) { return lead_comm; }
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273
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274 octave_comment_list *trailing_comment (void) { return trail_comm; }
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275
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276 tree_command *dup (symbol_table::scope_id scope,
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277 symbol_table::context_id context) const;
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278
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279 void accept (tree_walker& tw);
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280
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281 private:
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282
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283 // Value on which to switch.
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284 tree_expression *expr;
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285
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286 // List of cases (case 1, case 2, ..., default)
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287 tree_switch_case_list *list;
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288
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289 // Comment preceding SWITCH token.
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290 octave_comment_list *lead_comm;
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291
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292 // Comment preceding ENDSWITCH token.
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293 octave_comment_list *trail_comm;
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294 };
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295 }
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296
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297 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
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298
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299 OCTAVE_DEPRECATED ("use 'octave::tree_if_clause' instead")
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300 typedef octave::tree_if_clause tree_if_clause;
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301
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302 // tree_if_command_list is derived from a template.
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303
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304 OCTAVE_DEPRECATED ("use 'octave::tree_if_command' instead")
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305 typedef octave::tree_if_command tree_if_command;
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306
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307 OCTAVE_DEPRECATED ("use 'octave::tree_switch_case' instead")
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308 typedef octave::tree_switch_case tree_switch_case;
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309
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310 // tree_switch_case_list is derived from a template.
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311
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312 OCTAVE_DEPRECATED ("use 'octave::tree_switch_command' instead")
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313 typedef octave::tree_switch_command tree_switch_command;
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314
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315 #endif
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316
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317 #endif