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annotate src/pt-mvr-base.h @ 2086:bfb775fb6fe8

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[project @ 1996-04-25 05:55:19 by jwe]
author jwe
date Thu, 25 Apr 1996 05:55:19 +0000
parents 003570e69c7b
children 97a566037a75
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1 /*
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2
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3 Copyright (C) 1996 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 2, or (at your option) any
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10 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, write to the Free
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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20
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21 */
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22
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23 #if !defined (octave_tree_mvr_h)
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24 #define octave_tree_mvr_h 1
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25
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26 #if defined (__GNUG__)
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27 #pragma interface
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28 #endif
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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
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33 #include "pt-exp-base.h"
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34
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35 // A base class for objects that can be return multiple values
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36
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37 class
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38 tree_multi_val_ret : public tree_expression
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39 {
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40 public:
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41 tree_multi_val_ret (int l = -1, int c = -1) : tree_expression (l, c) { }
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42
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43 tree_multi_val_ret (int l = -1, int c = -1, tree_expression::type et)
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44 : tree_expression (l, c, et) { }
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45
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46 ~tree_multi_val_ret (void) { }
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47
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48 bool is_multi_val_ret_expression (void) const
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49 { return true; }
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50
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51 octave_value eval (bool print);
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52
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53 virtual octave_value_list eval (bool print, int nargout,
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54 const octave_value_list& args) = 0;
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55 };
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56
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57 #endif
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58
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59 /*
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60 ;;; Local Variables: ***
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61 ;;; mode: C++ ***
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62 ;;; End: ***
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63 */