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annotate src/pt-fcn-handle.cc @ 5249:5c2f58301790 ss-2-9-1

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[project @ 2005-03-27 12:06:59 by jwe]
author jwe
date Sun, 27 Mar 2005 12:06:59 +0000
parents e35b034d3523
children 4c8a2e4e0717
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1 /*
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2
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3 Copyright (C) 2003 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 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <iostream>
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28
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29 #include "error.h"
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30 #include "oct-obj.h"
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31 #include "ov-fcn-handle.h"
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32 #include "pt-fcn-handle.h"
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33 #include "pager.h"
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34 #include "pt-walk.h"
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35
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36 void
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37 tree_fcn_handle::print (std::ostream& os, bool pr_as_read_syntax,
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38 bool pr_orig_text)
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39 {
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40 print_raw (os, pr_as_read_syntax, pr_orig_text);
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41 }
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42
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43 void
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44 tree_fcn_handle::print_raw (std::ostream& os, bool pr_as_read_syntax,
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45 bool pr_orig_text)
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46 {
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47 os << ((pr_as_read_syntax || pr_orig_text) ? "@" : "") << nm;
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48 }
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49
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50 octave_value
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51 tree_fcn_handle::rvalue (void)
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52 {
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53 MAYBE_DO_BREAKPOINT;
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54
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55 return make_fcn_handle (nm);
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56 }
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57
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58
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59 octave_value_list
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60 tree_fcn_handle::rvalue (int nargout)
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61 {
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62 octave_value_list retval;
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63
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64 if (nargout > 1)
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65 error ("invalid number of output arguments for function handle expression");
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66 else
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67 retval = rvalue ();
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68
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69 return retval;
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70 }
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71
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72 void
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73 tree_fcn_handle::accept (tree_walker& tw)
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74 {
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75 tw.visit_fcn_handle (*this);
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76 }
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77
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78 /*
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79 ;;; Local Variables: ***
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80 ;;; mode: C++ ***
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81 ;;; End: ***
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82 */