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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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_builtin_h) |
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24 #define octave_builtin_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 #include <string> |
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31 |
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32 #include "ov-fcn.h" |
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33 #include "ov-typeinfo.h" |
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34 |
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35 class octave_value; |
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36 class octave_value_list; |
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37 |
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38 // Builtin functions. |
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39 |
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40 class |
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41 octave_builtin : public octave_function |
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42 { |
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43 public: |
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44 |
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45 typedef octave_value_list (*fcn) (const octave_value_list&, int); |
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46 |
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47 octave_builtin (fcn ff, const string& nm = string (), |
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48 const string& ds = string ()) |
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49 : octave_function (nm, ds), f (ff) { } |
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50 |
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51 ~octave_builtin (void) { } |
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52 |
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53 void *operator new (size_t size) |
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54 { return allocator.alloc (size); } |
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55 |
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56 void operator delete (void *p, size_t size) |
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57 { allocator.free (p, size); } |
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58 |
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59 octave_function *function_value (bool) { return this; } |
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60 |
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61 octave_value_list do_index_op (int nargout, const octave_value_list& args); |
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62 |
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63 int type_id (void) const { return t_id; } |
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64 |
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65 string type_name (void) const { return t_name; } |
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66 |
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67 static int static_type_id (void) { return t_id; } |
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68 |
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69 static void register_type (void) |
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70 { t_id = octave_value_typeinfo::register_type (t_name); } |
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71 |
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72 private: |
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73 |
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74 octave_builtin (void); |
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75 |
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76 octave_builtin (const octave_builtin& m); |
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77 |
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78 // A pointer to the actual function. |
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79 fcn f; |
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80 |
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81 // For custom memory management. |
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82 static octave_allocator allocator; |
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83 |
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84 // Type id of list objects, set by register_type(). |
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85 static int t_id; |
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86 |
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87 // Type name of list objects, defined in ov-list.cc. |
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88 static const string t_name; |
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89 }; |
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90 |
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91 #endif |
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92 |
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93 /* |
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94 ;;; Local Variables: *** |
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95 ;;; mode: C++ *** |
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96 ;;; End: *** |
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97 */ |
