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annotate libinterp/parse-tree/pt-array-list.h @ 20624:7c0e10f035bd

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Extend parser to accept binary constants that begin with '0b' or '0B'. * NEWS: Announce change: * lex.ll: Define NUMBIN to be 0[bB] followed by 0,1, or '_'. Define NUMBER to be NUMREAL|NUMHEX|NUMBIN. *lex.ll (looks_like_bin): New function to detect 0[bB] prefix. *lex.ll (handle_numbe): Call looks_like_bin() and if found then convert binary string to double. * parser.tst: Add tests for new behavior.
author Rik <rik@octave.org>
date Fri, 09 Oct 2015 18:52:58 -0700
parents 4197fc428c7d
children
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1 /*
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2
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3 Copyright (C) 2013-2015 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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 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 WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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_array_list_h)
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24 #define octave_pt_array_list_h 1
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25
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26 #include "base-list.h"
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27 #include "pt-arg-list.h"
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28 #include "pt-exp.h"
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29 #include "symtab.h"
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30
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31 // Base class for cell arrays and matrices.
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32
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33 class
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34 tree_array_list : public tree_expression,
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35 public octave_base_list<tree_argument_list *>
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36 {
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37 public:
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38
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39 typedef octave_base_list<tree_argument_list *>::iterator iterator;
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40 typedef octave_base_list<tree_argument_list *>::const_iterator const_iterator;
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41
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42 tree_array_list (tree_argument_list *row = 0, int l = -1, int c = -1)
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43 : tree_expression (l, c), octave_base_list<tree_argument_list *> ()
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44 {
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45 if (row)
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46 append (row);
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47 }
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48
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49 ~tree_array_list (void);
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50
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51 bool all_elements_are_constant (void) const;
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52
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53 bool has_magic_end (void) const;
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54
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55 void copy_base (const tree_array_list& array_list);
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56
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57 void copy_base (const tree_array_list& array_list,
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58 symbol_table::scope_id scope,
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59 symbol_table::context_id context);
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60
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61 tree_expression *dup (symbol_table::scope_id scope,
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62 symbol_table::context_id context) const;
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63
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64 void accept (tree_walker& tw);
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65
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66 private:
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67
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68 // No copying!
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69
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70 tree_array_list (const tree_array_list&);
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71
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72 tree_array_list& operator = (const tree_array_list&);
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73 };
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74
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75 #endif