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annotate src/pt-cbinop.h @ 11542:695141f1c05c ss-3-3-55

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snapshot 3.3.55
author John W. Eaton <jwe@octave.org>
date Sat, 15 Jan 2011 04:53:04 -0500
parents fd0a3ac60b0e
children f4689107dd8c
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1 /*
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2
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fd0a3ac60b0e update copyright notices
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3 Copyright (C) 2008-2011 Jaroslav Hajek
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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_tree_cbinop_h)
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24 #define octave_tree_cbinop_h 1
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25
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26 #include <string>
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27
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28 class tree_walker;
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29
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30 class octave_value;
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31 class octave_value_list;
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32 class octave_lvalue;
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33
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34 #include "ov.h"
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35 #include "pt-binop.h"
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36 #include "symtab.h"
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37
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38 // Binary expressions that can be reduced to compound operations
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39
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40 class
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41 tree_compound_binary_expression : public tree_binary_expression
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42 {
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43 public:
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44
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45 tree_compound_binary_expression (tree_expression *a, tree_expression *b,
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46 int l, int c,
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47 octave_value::binary_op t,
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48 tree_expression *ca, tree_expression *cb,
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49 octave_value::compound_binary_op ct)
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50 : tree_binary_expression (a, b, l, c, t), op_lhs (ca), op_rhs (cb),
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51 etype (ct) { }
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52
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53 octave_value rvalue1 (int nargout = 1);
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55 octave_value::compound_binary_op cop_type (void) const { return etype; }
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56
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57 private:
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58
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59 tree_expression *op_lhs;
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60 tree_expression *op_rhs;
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61 octave_value::compound_binary_op etype;
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62 };
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63
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64 // a "virtual constructor"
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65
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66 tree_binary_expression *
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67 maybe_compound_binary_expression (tree_expression *a, tree_expression *b,
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68 int l = -1, int c = -1,
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69 octave_value::binary_op t
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70 = octave_value::unknown_binary_op);
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71
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72 #endif