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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 #if !defined (octave_tree_fcn_handle_h) |
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24 #define octave_fcn_handle_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <iostream> |
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31 #include <string> |
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32 |
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33 #include "pt-bp.h" |
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34 #include "pt-exp.h" |
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35 |
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36 class octave_value_list; |
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37 |
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38 class tree_walker; |
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39 |
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40 #include "ov.h" |
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41 |
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42 class |
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43 tree_fcn_handle : public tree_expression |
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44 { |
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45 public: |
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46 |
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47 tree_fcn_handle (int l = -1, int c = -1) |
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48 : tree_expression (l, c), nm () { } |
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49 |
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50 tree_fcn_handle (const std::string& n, int l = -1, int c = -1) |
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51 : tree_expression (l, c), nm (n) { } |
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52 |
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53 ~tree_fcn_handle (void) { } |
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54 |
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55 bool has_magic_end (void) const { return false; } |
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56 |
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57 void print (std::ostream& os, bool pr_as_read_syntax = false, |
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58 bool pr_orig_txt = true); |
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59 |
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60 void print_raw (std::ostream& os, bool pr_as_read_syntax = false, |
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61 bool pr_orig_txt = true); |
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62 |
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63 std::string name (void) const { return nm; } |
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64 |
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65 bool rvalue_ok (void) const { return true; } |
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66 |
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67 octave_value rvalue (void); |
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68 |
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69 octave_value_list rvalue (int nargout); |
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70 |
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71 void accept (tree_walker& tw); |
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72 |
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73 private: |
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74 |
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75 // The name of this function handle. |
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76 std::string nm; |
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77 |
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78 // No copying! |
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79 |
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80 tree_fcn_handle (const tree_fcn_handle&); |
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81 |
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82 tree_fcn_handle& operator = (const tree_fcn_handle&); |
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83 }; |
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84 |
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85 #endif |
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86 |
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87 /* |
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88 ;;; Local Variables: *** |
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89 ;;; mode: C++ *** |
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90 ;;; End: *** |
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91 */ |
