Mercurial > hg > octave-nkf
annotate src/pt-loop.h @ 14626:f947d2922feb stable rc-3-6-2-0
3.6.2-rc0 release candidate
* configure.ac (AC_INIT): Version is now 3.6.2-rc0.
(OCTAVE_RELEASE_DATE): Now 2012-05-11.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 11 May 2012 13:46:18 -0400 |
| parents | 72c96de7a403 |
| children | 3f81e8b42955 |
| rev | line source |
|---|---|
| 2982 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2012 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 | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2982 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 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 | |
| 23 #if !defined (octave_tree_loop_h) | |
| 24 #define octave_tree_loop_h 1 | |
| 25 | |
| 26 class octave_value; | |
| 27 class octave_lvalue; | |
| 28 | |
| 29 class tree_argument_list; | |
| 30 class tree_expression; | |
| 31 class tree_statement_list; | |
| 32 | |
| 33 class tree_walker; | |
| 34 | |
| 3665 | 35 #include "comment-list.h" |
| 2982 | 36 #include "pt-cmd.h" |
| 7336 | 37 #include "symtab.h" |
| 2982 | 38 |
| 39 // While. | |
| 40 | |
| 41 class | |
| 42 tree_while_command : public tree_command | |
| 43 { | |
| 44 public: | |
| 45 | |
| 46 tree_while_command (int l = -1, int c = -1) | |
| 3665 | 47 : tree_command (l, c), expr (0), list (0), lead_comm (0), |
| 48 trail_comm (0) { } | |
| 2982 | 49 |
| 3665 | 50 tree_while_command (tree_expression *e, |
| 10313 | 51 octave_comment_list *lc = 0, |
| 52 octave_comment_list *tc = 0, | |
| 53 int l = -1, int c = -1) | |
| 3665 | 54 : tree_command (l, c), expr (e), list (0), lead_comm (lc), |
| 55 trail_comm (tc) { } | |
| 2982 | 56 |
| 57 tree_while_command (tree_expression *e, tree_statement_list *lst, | |
| 10313 | 58 octave_comment_list *lc = 0, |
| 59 octave_comment_list *tc = 0, | |
| 60 int l = -1, int c = -1) | |
| 3665 | 61 : tree_command (l, c), expr (e), list (lst), lead_comm (lc), |
| 62 trail_comm (tc) { } | |
| 2982 | 63 |
| 64 ~tree_while_command (void); | |
| 65 | |
| 66 tree_expression *condition (void) { return expr; } | |
| 67 | |
| 68 tree_statement_list *body (void) { return list; } | |
| 69 | |
| 3665 | 70 octave_comment_list *leading_comment (void) { return lead_comm; } |
| 71 | |
| 72 octave_comment_list *trailing_comment (void) { return trail_comm; } | |
| 73 | |
|
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74 tree_command *dup (symbol_table::scope_id scope, |
| 10313 | 75 symbol_table::context_id context) const; |
| 5861 | 76 |
| 2982 | 77 void accept (tree_walker& tw); |
| 78 | |
| 3484 | 79 protected: |
| 2982 | 80 |
| 81 // Expression to test. | |
| 82 tree_expression *expr; | |
| 83 | |
| 84 // List of commands to execute. | |
| 85 tree_statement_list *list; | |
| 2988 | 86 |
| 3665 | 87 // Comment preceding WHILE token. |
| 88 octave_comment_list *lead_comm; | |
| 89 | |
| 90 // Comment preceding ENDWHILE token. | |
| 91 octave_comment_list *trail_comm; | |
| 92 | |
| 3484 | 93 private: |
| 94 | |
| 2988 | 95 // No copying! |
| 96 | |
| 97 tree_while_command (const tree_while_command&); | |
| 98 | |
| 99 tree_while_command& operator = (const tree_while_command&); | |
| 2982 | 100 }; |
| 101 | |
| 3484 | 102 // Do-Until. |
| 103 | |
| 104 class | |
| 105 tree_do_until_command : public tree_while_command | |
| 106 { | |
| 107 public: | |
| 108 | |
| 109 tree_do_until_command (int l = -1, int c = -1) | |
| 110 : tree_while_command (l, c) { } | |
| 111 | |
| 3665 | 112 tree_do_until_command (tree_expression *e, |
| 10313 | 113 octave_comment_list *lc = 0, |
| 114 octave_comment_list *tc = 0, | |
| 115 int l = -1, int c = -1) | |
| 3665 | 116 : tree_while_command (e, lc, tc, l, c) { } |
| 3484 | 117 |
| 118 tree_do_until_command (tree_expression *e, tree_statement_list *lst, | |
| 10313 | 119 octave_comment_list *lc = 0, |
| 120 octave_comment_list *tc = 0, | |
| 121 int l = -1, int c = -1) | |
| 3665 | 122 : tree_while_command (e, lst, lc, tc, l, c) { } |
| 3484 | 123 |
| 124 ~tree_do_until_command (void) { } | |
| 125 | |
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126 tree_command *dup (symbol_table::scope_id scope, |
| 10313 | 127 symbol_table::context_id context) const; |
| 5861 | 128 |
| 3484 | 129 void accept (tree_walker& tw); |
| 130 | |
| 131 private: | |
| 132 | |
| 133 // No copying! | |
| 134 | |
| 135 tree_do_until_command (const tree_do_until_command&); | |
| 136 | |
| 137 tree_do_until_command& operator = (const tree_do_until_command&); | |
| 138 }; | |
| 139 | |
| 2982 | 140 // For. |
| 141 | |
| 142 class | |
| 143 tree_simple_for_command : public tree_command | |
| 144 { | |
| 145 public: | |
| 146 | |
| 147 tree_simple_for_command (int l = -1, int c = -1) | |
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148 : tree_command (l, c), parallel (false), lhs (0), expr (0), |
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149 maxproc (0), list (0), lead_comm (0), trail_comm (0) { } |
| 2982 | 150 |
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151 tree_simple_for_command (bool parallel_arg, tree_expression *le, |
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152 tree_expression *re, |
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153 tree_expression *maxproc_arg, |
| 10313 | 154 tree_statement_list *lst, |
| 155 octave_comment_list *lc = 0, | |
| 156 octave_comment_list *tc = 0, | |
| 157 int l = -1, int c = -1) | |
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158 : tree_command (l, c), parallel (parallel_arg), lhs (le), |
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159 expr (re), maxproc (maxproc_arg), list (lst), |
| 3665 | 160 lead_comm (lc), trail_comm (tc) { } |
| 2982 | 161 |
| 162 ~tree_simple_for_command (void); | |
| 163 | |
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164 bool in_parallel (void) { return parallel; } |
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165 |
| 2982 | 166 tree_expression *left_hand_side (void) { return lhs; } |
| 167 | |
| 168 tree_expression *control_expr (void) { return expr; } | |
| 169 | |
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170 tree_expression *maxproc_expr (void) { return maxproc; } |
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171 |
| 2982 | 172 tree_statement_list *body (void) { return list; } |
| 173 | |
| 3665 | 174 octave_comment_list *leading_comment (void) { return lead_comm; } |
| 175 | |
| 176 octave_comment_list *trailing_comment (void) { return trail_comm; } | |
| 177 | |
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178 tree_command *dup (symbol_table::scope_id scope, |
| 10313 | 179 symbol_table::context_id context) const; |
| 5861 | 180 |
| 2982 | 181 void accept (tree_walker& tw); |
| 182 | |
| 183 private: | |
| 184 | |
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185 // TRUE means operate in parallel (subject to the value of the |
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186 // maxproc expression). |
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187 bool parallel; |
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188 |
| 2982 | 189 // Expression to modify. |
| 190 tree_expression *lhs; | |
| 191 | |
| 192 // Expression to evaluate. | |
| 193 tree_expression *expr; | |
| 194 | |
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195 // Expression to tell how many processors should be used (only valid |
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196 // if parallel is TRUE). |
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197 tree_expression *maxproc; |
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198 |
| 2982 | 199 // List of commands to execute. |
| 200 tree_statement_list *list; | |
| 201 | |
| 3665 | 202 // Comment preceding FOR token. |
| 203 octave_comment_list *lead_comm; | |
| 204 | |
| 205 // Comment preceding ENDFOR token. | |
| 206 octave_comment_list *trail_comm; | |
| 207 | |
| 2988 | 208 // No copying! |
| 209 | |
| 210 tree_simple_for_command (const tree_simple_for_command&); | |
| 211 | |
| 212 tree_simple_for_command& operator = (const tree_simple_for_command&); | |
| 2982 | 213 }; |
| 214 | |
| 215 class | |
| 216 tree_complex_for_command : public tree_command | |
| 217 { | |
| 218 public: | |
| 219 | |
| 220 tree_complex_for_command (int l = -1, int c = -1) | |
| 3665 | 221 : tree_command (l, c), lhs (0), expr (0), list (0), lead_comm (0), |
| 222 trail_comm (0) { } | |
| 2982 | 223 |
| 224 tree_complex_for_command (tree_argument_list *le, tree_expression *re, | |
| 10313 | 225 tree_statement_list *lst, |
| 226 octave_comment_list *lc = 0, | |
| 227 octave_comment_list *tc = 0, | |
| 228 int l = -1, int c = -1) | |
| 3665 | 229 : tree_command (l, c), lhs (le), expr (re), list (lst), |
| 230 lead_comm (lc), trail_comm (tc) { } | |
| 2982 | 231 |
| 232 ~tree_complex_for_command (void); | |
| 233 | |
| 234 tree_argument_list *left_hand_side (void) { return lhs; } | |
| 235 | |
| 236 tree_expression *control_expr (void) { return expr; } | |
| 237 | |
| 238 tree_statement_list *body (void) { return list; } | |
| 239 | |
| 3665 | 240 octave_comment_list *leading_comment (void) { return lead_comm; } |
| 241 | |
| 242 octave_comment_list *trailing_comment (void) { return trail_comm; } | |
| 243 | |
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parents:
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changeset
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244 tree_command *dup (symbol_table::scope_id scope, |
| 10313 | 245 symbol_table::context_id context) const; |
| 5861 | 246 |
| 2982 | 247 void accept (tree_walker& tw); |
| 248 | |
| 249 private: | |
| 250 | |
| 251 // Expression to modify. | |
| 252 tree_argument_list *lhs; | |
| 253 | |
| 254 // Expression to evaluate. | |
| 255 tree_expression *expr; | |
| 256 | |
| 257 // List of commands to execute. | |
| 258 tree_statement_list *list; | |
| 259 | |
| 3665 | 260 // Comment preceding FOR token. |
| 261 octave_comment_list *lead_comm; | |
| 262 | |
| 263 // Comment preceding ENDFOR token. | |
| 264 octave_comment_list *trail_comm; | |
| 265 | |
| 2988 | 266 // No copying! |
| 267 | |
| 268 tree_complex_for_command (const tree_complex_for_command&); | |
| 269 | |
| 270 tree_complex_for_command& operator = (const tree_complex_for_command&); | |
| 2982 | 271 }; |
| 272 | |
| 273 #endif |