Mercurial > octave
annotate libinterp/parse-tree/pt-select.h @ 23750:ea879bc55272
move comment_list and comment_elt classes to octave namespace
* comment-list.h, comment-list.cc (class comment_list, class
comment_elt): Move inside octave namespace and rename from
octave_coment_list and octave_comment_elt. Change all uses.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 07 Jul 2017 18:43:32 -0400 |
parents | 08036a7f3660 |
children | 980f39c3ab90 |
rev | line source |
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2982 | 1 /* |
2 | |
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3 Copyright (C) 1996-2017 John W. Eaton |
2982 | 4 |
5 This file is part of Octave. | |
6 | |
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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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. |
2982 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2982 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_pt_select_h) |
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24 #define octave_pt_select_h 1 |
2982 | 25 |
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26 #include "octave-config.h" |
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27 |
4219 | 28 #include "base-list.h" |
3665 | 29 #include "comment-list.h" |
2982 | 30 #include "pt-cmd.h" |
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31 #include "pt-walk.h" |
7336 | 32 #include "symtab.h" |
2982 | 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: |
2982 | 44 |
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45 tree_if_clause (int l = -1, int c = -1) |
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46 : tree (l, c), expr (0), list (0), lead_comm (0) { } |
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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 (0), 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! |
2982 | 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; } |
2982 | 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; |
2982 | 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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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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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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120 class tree_if_command : public tree_command |
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121 { |
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122 public: |
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124 tree_if_command (int l = -1, int c = -1) |
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125 : tree_command (l, c), list (0), lead_comm (0), trail_comm (0) { } |
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127 tree_if_command (tree_if_command_list *lst, comment_list *lc, |
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128 comment_list *tc, int l = -1, int c = -1) |
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129 : tree_command (l, c), list (lst), lead_comm (lc), trail_comm (tc) { } |
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130 |
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131 // No copying! |
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132 |
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133 tree_if_command (const tree_if_command&) = delete; |
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134 |
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135 tree_if_command& operator = (const tree_if_command&) = delete; |
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137 ~tree_if_command (void); |
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138 |
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139 tree_if_command_list * cmd_list (void) { return list; } |
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141 comment_list * leading_comment (void) { return lead_comm; } |
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142 |
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143 comment_list * trailing_comment (void) { return trail_comm; } |
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144 |
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145 void accept (tree_walker& tw) |
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146 { |
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147 tw.visit_if_command (*this); |
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148 } |
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150 private: |
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152 // List of if commands (if, elseif, elseif, ... else, endif) |
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153 tree_if_command_list *list; |
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155 // Comment preceding IF token. |
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156 comment_list *lead_comm; |
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158 // Comment preceding ENDIF token. |
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159 comment_list *trail_comm; |
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160 }; |
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162 // Switch. |
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164 class tree_switch_case : public tree |
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165 { |
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166 public: |
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168 tree_switch_case (int l = -1, int c = -1) |
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169 : tree (l, c), label (0), list (0), lead_comm (0) { } |
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171 tree_switch_case (tree_statement_list *sl, comment_list *lc = nullptr, |
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172 int l = -1, int c = -1) |
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173 : tree (l, c), label (0), list (sl), lead_comm (lc) { } |
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175 tree_switch_case (tree_expression *e, tree_statement_list *sl, |
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176 comment_list *lc = nullptr, |
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177 int l = -1, int c = -1) |
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178 : tree (l, c), label (e), list (sl), lead_comm (lc) { } |
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180 // No copying! |
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181 |
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182 tree_switch_case (const tree_switch_case&) = delete; |
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184 tree_switch_case& operator = (const tree_switch_case&) = delete; |
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185 |
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186 ~tree_switch_case (void); |
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188 bool is_default_case (void) { return ! label; } |
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190 tree_expression * case_label (void) { return label; } |
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192 tree_statement_list * commands (void) { return list; } |
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194 comment_list * leading_comment (void) { return lead_comm; } |
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196 void accept (tree_walker& tw) |
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197 { |
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198 tw.visit_switch_case (*this); |
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199 } |
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201 private: |
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203 // The case label. |
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204 tree_expression *label; |
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206 // The list of statements to evaluate if the label matches. |
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207 tree_statement_list *list; |
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209 // Comment preceding CASE or OTHERWISE token. |
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210 comment_list *lead_comm; |
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211 }; |
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213 class tree_switch_case_list : public base_list<tree_switch_case *> |
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214 { |
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215 public: |
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217 tree_switch_case_list (void) { } |
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219 tree_switch_case_list (tree_switch_case *t) { append (t); } |
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220 |
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221 // No copying! |
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223 tree_switch_case_list (const tree_switch_case_list&) = delete; |
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225 tree_switch_case_list& operator = (const tree_switch_case_list&) = delete; |
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227 ~tree_switch_case_list (void) |
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228 { |
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229 while (! empty ()) |
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230 { |
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231 iterator p = begin (); |
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232 delete *p; |
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233 erase (p); |
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234 } |
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235 } |
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237 void accept (tree_walker& tw) |
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238 { |
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239 tw.visit_switch_case_list (*this); |
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240 } |
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241 }; |
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243 class tree_switch_command : public tree_command |
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244 { |
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245 public: |
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247 tree_switch_command (int l = -1, int c = -1) |
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248 : tree_command (l, c), expr (0), list (0), lead_comm (0), |
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249 trail_comm (0) { } |
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251 tree_switch_command (tree_expression *e, tree_switch_case_list *lst, |
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252 comment_list *lc, comment_list *tc, |
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253 int l = -1, int c = -1) |
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254 : tree_command (l, c), expr (e), list (lst), lead_comm (lc), |
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255 trail_comm (tc) { } |
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257 // No copying! |
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258 |
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259 tree_switch_command (const tree_switch_command&) = delete; |
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260 |
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261 tree_switch_command& operator = (const tree_switch_command&) = delete; |
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263 ~tree_switch_command (void); |
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265 tree_expression * switch_value (void) { return expr; } |
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266 |
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267 tree_switch_case_list * case_list (void) { return list; } |
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269 comment_list * leading_comment (void) { return lead_comm; } |
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271 comment_list * trailing_comment (void) { return trail_comm; } |
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273 void accept (tree_walker& tw) |
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274 { |
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275 tw.visit_switch_command (*this); |
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276 } |
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278 private: |
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279 |
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280 // Value on which to switch. |
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281 tree_expression *expr; |
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283 // List of cases (case 1, case 2, ..., default) |
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284 tree_switch_case_list *list; |
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286 // Comment preceding SWITCH token. |
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287 comment_list *lead_comm; |
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289 // Comment preceding ENDSWITCH token. |
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290 comment_list *trail_comm; |
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291 }; |
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292 } |
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294 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) |
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296 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_if_clause' instead") |
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297 typedef octave::tree_if_clause tree_if_clause; |
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299 // tree_if_command_list is derived from a template. |
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301 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_if_command' instead") |
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302 typedef octave::tree_if_command tree_if_command; |
3665 | 303 |
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304 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_switch_case' instead") |
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305 typedef octave::tree_switch_case tree_switch_case; |
2988 | 306 |
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307 // tree_switch_case_list is derived from a template. |
2988 | 308 |
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309 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_switch_command' instead") |
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310 typedef octave::tree_switch_command tree_switch_command; |
2982 | 311 |
312 #endif | |
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313 |
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314 #endif |