annotate libinterp/parse-tree/pt-select.h @ 23795:980f39c3ab90

Use C++11 nullptr rather than 0 in code (bug #51565). * Backend.cc, BaseControl.h, ButtonGroup.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, ContextMenu.h, EditControl.cc, Figure.cc, FigureWindow.cc, ListBoxControl.cc, Menu.cc, Menu.h, MouseModeActionGroup.cc, Object.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, QTerminal.h, BlockArray.cpp, Emulation.cpp, Filter.cpp, Filter.h, History.cpp, KeyboardTranslator.cpp, QUnixTerminalImpl.h, Screen.cpp, ScreenWindow.cpp, ScreenWindow.h, SelfListener.h, TerminalCharacterDecoder.cpp, TerminalModel.cpp, TerminalView.cpp, TerminalView.h, kpty.cpp, dialog.cc, dialog.h, files-dock-widget.cc, find-files-model.h, file-editor-tab.cc, file-editor.cc, main-window.cc, octave-dock-widget.cc, octave-gui.cc, parser.cc, resource-manager.cc, resource-manager.h, shortcut-manager.cc, shortcut-manager.h, workspace-model.cc, workspace-view.cc, __magick_read__.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, daspk.cc, dasrt.cc, dassl.cc, det.cc, display.h, error.cc, ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc, graphics.in.h, help.cc, input.cc, interpreter.cc, load-path.cc, load-save.cc, ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, lsode.cc, mex.cc, mxarray.in.h, oct-errno.h, oct-hist.cc, oct-iostrm.h, oct-procbuf.cc, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, oct-tex-parser.in.yy, octave-link.h, pager.cc, pager.h, pr-output.cc, procstream.h, qz.cc, sighandlers.cc, svd.cc, symtab.cc, symtab.h, text-renderer.cc, txt-eng.h, utils.cc, variables.cc, zfstream.cc, zfstream.h, __glpk__.cc, __init_fltk__.cc, __ode15__.cc, audiodevinfo.cc, ccolamd.cc, colamd.cc, dmperm.cc, gzip.cc, symbfact.cc, ov-base-int.cc, ov-base-int.h, ov-base-mat.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-complex.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-fcn.h, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-java.cc, ov-java.h, ov-mex-fcn.cc, ov-oncleanup.cc, ov-range.cc, ov-range.h, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, octave.cc, bp-table.cc, bp-table.h, jit-ir.h, jit-typeinfo.cc, lex.h, profiler.cc, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-cell.cc, pt-classdef.cc, pt-classdef.h, pt-colon.cc, pt-colon.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-idx.cc, pt-jit.cc, pt-loop.h, pt-mat.cc, pt-select.h, pt-stmt.h, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt.cc, Array-C.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-util.cc, Array.cc, Array.h, CMatrix.cc, CSparse.cc, DiagArray2.h, MArray.h, MDiagArray2.h, MatrixType.cc, Sparse.cc, Sparse.h, dMatrix.cc, dSparse.cc, fMatrix.cc, idx-vector.cc, idx-vector.h, DAEFunc.h, DAERTFunc.h, ODEFunc.h, ODESFunc.h, eigs-base.cc, oct-fftw.cc, oct-fftw.h, oct-rand.h, oct-spparms.h, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, lo-sysdep.cc, oct-env.h, oct-time.cc, cmd-edit.cc, cmd-edit.h, cmd-hist.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sort.h, quit.cc, singleton-cleanup.h, str-vec.cc: Use C++11 nullptr rather than 0 in code (bug #51565).
author Rik <rik@octave.org>
date Tue, 25 Jul 2017 14:54:10 -0700
parents ea879bc55272
children 3fc24b792a24
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rev   line source
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1 /*
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2
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3 Copyright (C) 1996-2017 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
3a2b891d0b33 maint: Standardize Copyright formatting.
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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 "pt-walk.h"
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32 #include "symtab.h"
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33
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34 namespace octave
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35 {
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36 class tree_expression;
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37 class tree_statement_list;
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38
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39 // If.
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40
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41 class tree_if_clause : public tree
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42 {
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43 public:
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44
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45 tree_if_clause (int l = -1, int c = -1)
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46 : tree (l, c), expr (nullptr), list (nullptr), lead_comm (nullptr) { }
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47
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48 tree_if_clause (tree_statement_list *sl, comment_list *lc = nullptr,
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49 int l = -1, int c = -1)
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50 : tree (l, c), expr (nullptr), list (sl), lead_comm (lc) { }
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51
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52 tree_if_clause (tree_expression *e, tree_statement_list *sl,
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53 comment_list *lc = nullptr,
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54 int l = -1, int c = -1)
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55 : tree (l, c), expr (e), list (sl), lead_comm (lc) { }
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56
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57 // No copying!
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58
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59 tree_if_clause (const tree_if_clause&) = delete;
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60
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61 tree_if_clause& operator = (const tree_if_clause&) = delete;
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62
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63 ~tree_if_clause (void);
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64
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65 bool is_else_clause (void) { return ! expr; }
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66
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67 tree_expression * condition (void) { return expr; }
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68
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69 tree_statement_list * commands (void) { return list; }
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70
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71 comment_list * leading_comment (void) { return lead_comm; }
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72
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73 void accept (tree_walker& tw)
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74 {
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75 tw.visit_if_clause (*this);
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76 }
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77
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78 private:
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79
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80 // The condition to test.
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81 tree_expression *expr;
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82
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83 // The list of statements to evaluate if expr is true.
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84 tree_statement_list *list;
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85
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86 // Comment preceding ELSE or ELSEIF token.
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87 comment_list *lead_comm;
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88 };
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89
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90 class tree_if_command_list : public base_list<tree_if_clause *>
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91 {
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92 public:
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93
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94 tree_if_command_list (void) { }
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95
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96 tree_if_command_list (tree_if_clause *t) { append (t); }
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97
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98 // No copying!
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99
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100 tree_if_command_list (const tree_if_command_list&) = delete;
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101
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102 tree_if_command_list& operator = (const tree_if_command_list&) = delete;
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103
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104 ~tree_if_command_list (void)
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105 {
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106 while (! empty ())
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107 {
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108 iterator p = begin ();
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109 delete *p;
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110 erase (p);
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111 }
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112 }
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113
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114 void accept (tree_walker& tw)
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115 {
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116 tw.visit_if_command_list (*this);
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117 }
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118 };
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119
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120 class tree_if_command : public tree_command
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121 {
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122 public:
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123
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124 tree_if_command (int l = -1, int c = -1)
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125 : tree_command (l, c), list (nullptr),
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126 lead_comm (nullptr), trail_comm (nullptr)
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127 { }
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128
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129 tree_if_command (tree_if_command_list *lst, comment_list *lc,
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130 comment_list *tc, int l = -1, int c = -1)
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131 : tree_command (l, c), list (lst), lead_comm (lc), trail_comm (tc) { }
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132
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133 // No copying!
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134
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135 tree_if_command (const tree_if_command&) = delete;
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136
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137 tree_if_command& operator = (const tree_if_command&) = delete;
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138
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139 ~tree_if_command (void);
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140
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141 tree_if_command_list * cmd_list (void) { return list; }
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142
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143 comment_list * leading_comment (void) { return lead_comm; }
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144
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145 comment_list * trailing_comment (void) { return trail_comm; }
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146
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147 void accept (tree_walker& tw)
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148 {
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149 tw.visit_if_command (*this);
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150 }
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151
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152 private:
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153
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154 // List of if commands (if, elseif, elseif, ... else, endif)
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155 tree_if_command_list *list;
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156
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157 // Comment preceding IF token.
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158 comment_list *lead_comm;
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159
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160 // Comment preceding ENDIF token.
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161 comment_list *trail_comm;
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162 };
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163
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164 // Switch.
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165
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166 class tree_switch_case : public tree
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167 {
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168 public:
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169
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170 tree_switch_case (int l = -1, int c = -1)
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171 : tree (l, c), label (nullptr), list (nullptr), lead_comm (nullptr) { }
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172
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173 tree_switch_case (tree_statement_list *sl, comment_list *lc = nullptr,
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174 int l = -1, int c = -1)
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175 : tree (l, c), label (nullptr), list (sl), lead_comm (lc) { }
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176
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177 tree_switch_case (tree_expression *e, tree_statement_list *sl,
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178 comment_list *lc = nullptr,
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179 int l = -1, int c = -1)
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180 : tree (l, c), label (e), list (sl), lead_comm (lc) { }
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181
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182 // No copying!
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183
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184 tree_switch_case (const tree_switch_case&) = delete;
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185
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186 tree_switch_case& operator = (const tree_switch_case&) = delete;
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187
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188 ~tree_switch_case (void);
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189
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190 bool is_default_case (void) { return ! label; }
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191
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192 tree_expression * case_label (void) { return label; }
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193
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194 tree_statement_list * commands (void) { return list; }
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195
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196 comment_list * leading_comment (void) { return lead_comm; }
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197
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198 void accept (tree_walker& tw)
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199 {
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200 tw.visit_switch_case (*this);
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201 }
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202
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203 private:
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204
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205 // The case label.
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206 tree_expression *label;
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207
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208 // The list of statements to evaluate if the label matches.
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209 tree_statement_list *list;
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210
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211 // Comment preceding CASE or OTHERWISE token.
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212 comment_list *lead_comm;
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213 };
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214
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215 class tree_switch_case_list : public base_list<tree_switch_case *>
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216 {
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217 public:
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218
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219 tree_switch_case_list (void) { }
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220
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221 tree_switch_case_list (tree_switch_case *t) { append (t); }
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222
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223 // No copying!
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224
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225 tree_switch_case_list (const tree_switch_case_list&) = delete;
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226
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227 tree_switch_case_list& operator = (const tree_switch_case_list&) = delete;
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228
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229 ~tree_switch_case_list (void)
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230 {
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231 while (! empty ())
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232 {
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233 iterator p = begin ();
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234 delete *p;
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235 erase (p);
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236 }
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237 }
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238
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239 void accept (tree_walker& tw)
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240 {
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241 tw.visit_switch_case_list (*this);
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242 }
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243 };
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244
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245 class tree_switch_command : public tree_command
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246 {
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247 public:
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248
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249 tree_switch_command (int l = -1, int c = -1)
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250 : tree_command (l, c), expr (nullptr), list (nullptr),
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251 lead_comm (nullptr), trail_comm (nullptr) { }
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252
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253 tree_switch_command (tree_expression *e, tree_switch_case_list *lst,
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254 comment_list *lc, comment_list *tc,
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255 int l = -1, int c = -1)
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256 : tree_command (l, c), expr (e), list (lst), lead_comm (lc),
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257 trail_comm (tc) { }
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258
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259 // No copying!
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260
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261 tree_switch_command (const tree_switch_command&) = delete;
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262
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263 tree_switch_command& operator = (const tree_switch_command&) = delete;
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264
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265 ~tree_switch_command (void);
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266
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267 tree_expression * switch_value (void) { return expr; }
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268
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269 tree_switch_case_list * case_list (void) { return list; }
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270
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271 comment_list * leading_comment (void) { return lead_comm; }
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272
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273 comment_list * trailing_comment (void) { return trail_comm; }
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274
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275 void accept (tree_walker& tw)
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276 {
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277 tw.visit_switch_command (*this);
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278 }
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279
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280 private:
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281
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282 // Value on which to switch.
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283 tree_expression *expr;
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284
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285 // List of cases (case 1, case 2, ..., default)
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286 tree_switch_case_list *list;
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287
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288 // Comment preceding SWITCH token.
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289 comment_list *lead_comm;
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290
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291 // Comment preceding ENDSWITCH token.
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292 comment_list *trail_comm;
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293 };
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294 }
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295
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296 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
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297
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298 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_if_clause' instead")
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299 typedef octave::tree_if_clause tree_if_clause;
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300
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301 // tree_if_command_list is derived from a template.
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302
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303 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_if_command' instead")
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304 typedef octave::tree_if_command tree_if_command;
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305
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306 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_switch_case' instead")
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307 typedef octave::tree_switch_case tree_switch_case;
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308
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309 // tree_switch_case_list is derived from a template.
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310
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311 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_switch_command' instead")
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312 typedef octave::tree_switch_command tree_switch_command;
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313
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314 #endif
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315
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316 #endif