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1 /* |
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2 |
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3 Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2007 |
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4 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_dld_function_h) |
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25 #define octave_dld_function_h 1 |
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26 |
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27 #include <string> |
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28 |
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29 #include "oct-shlib.h" |
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30 |
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31 #include "ov-fcn.h" |
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32 #include "ov-builtin.h" |
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33 #include "ov-typeinfo.h" |
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34 |
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35 class octave_shlib; |
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36 |
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37 class octave_value; |
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38 class octave_value_list; |
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39 |
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40 // Dynamically-linked functions. |
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41 |
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42 class |
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43 OCTINTERP_API |
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44 octave_dld_function : public octave_builtin |
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45 { |
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46 public: |
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47 |
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48 octave_dld_function (void) { } |
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49 |
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50 octave_dld_function (octave_builtin::fcn ff, const octave_shlib& shl, |
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51 const std::string& nm = std::string (), |
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52 const std::string& ds = std::string ()); |
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53 |
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54 ~octave_dld_function (void); |
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55 |
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56 void mark_fcn_file_up_to_date (const octave_time& t) { t_checked = t; } |
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57 |
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58 std::string fcn_file_name (void) const; |
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59 |
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60 octave_time time_parsed (void) const; |
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61 |
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62 octave_time time_checked (void) const { return t_checked; } |
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63 |
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64 bool is_system_fcn_file (void) const { return system_fcn_file; } |
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65 |
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66 bool is_builtin_function (void) const { return false; } |
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67 |
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68 bool is_dld_function (void) const { return true; } |
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69 |
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70 static octave_dld_function* create (octave_builtin::fcn ff, |
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71 const octave_shlib& shl, |
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72 const std::string& nm = std::string (), |
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73 const std::string& ds = std::string ()); |
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74 |
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75 private: |
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76 |
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77 octave_shlib sh_lib; |
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78 |
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79 // The time the file was last checked to see if it needs to be |
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80 // parsed again. |
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81 mutable octave_time t_checked; |
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82 |
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83 // True if this function came from a file that is considered to be a |
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84 // system function. This affects whether we check the time stamp |
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85 // on the file to see if it has changed. |
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86 bool system_fcn_file; |
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87 |
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88 // No copying! |
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89 |
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90 octave_dld_function (const octave_dld_function& fn); |
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91 |
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92 octave_dld_function& operator = (const octave_dld_function& fn); |
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93 |
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94 DECLARE_OCTAVE_ALLOCATOR |
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95 |
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96 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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97 }; |
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98 |
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99 #endif |
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100 |
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101 /* |
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102 ;;; Local Variables: *** |
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103 ;;; mode: C++ *** |
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104 ;;; End: *** |
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105 */ |
