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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_mex_function_h) |
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25 #define octave_mex_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 octave_mex_function : public octave_function |
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44 { |
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45 public: |
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46 |
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47 octave_mex_function (void) { } |
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48 |
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49 octave_mex_function (void *fptr, bool fmex, const octave_shlib& shl, |
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50 const std::string& nm = std::string ()); |
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51 |
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52 ~octave_mex_function (void); |
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53 |
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54 octave_value subsref (const std::string&, |
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55 const std::list<octave_value_list>&) |
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56 { |
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57 panic_impossible (); |
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58 return octave_value (); |
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59 } |
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60 |
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61 octave_value_list subsref (const std::string& type, |
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62 const std::list<octave_value_list>& idx, |
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63 int nargout); |
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64 |
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65 octave_function *function_value (bool = false) { return this; } |
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66 |
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67 void mark_fcn_file_up_to_date (const octave_time& t) { t_checked = t; } |
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68 |
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69 std::string fcn_file_name (void) const; |
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70 |
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71 octave_time time_parsed (void) const; |
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72 |
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73 octave_time time_checked (void) const { return t_checked; } |
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74 |
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75 bool is_system_fcn_file (void) const { return system_fcn_file; } |
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76 |
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77 bool is_builtin_function (void) const { return false; } |
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78 |
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79 bool is_mex_function (void) const { return true; } |
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80 |
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81 octave_value_list |
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82 do_multi_index_op (int nargout, const octave_value_list& args); |
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83 |
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84 private: |
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85 |
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86 void *mex_fcn_ptr; |
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87 |
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88 bool have_fmex; |
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89 |
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90 octave_shlib sh_lib; |
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91 |
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92 // The time the file was last checked to see if it needs to be |
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93 // parsed again. |
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94 mutable octave_time t_checked; |
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95 |
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96 // True if this function came from a file that is considered to be a |
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97 // system function. This affects whether we check the time stamp |
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98 // on the file to see if it has changed. |
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99 bool system_fcn_file; |
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100 |
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101 // No copying! |
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102 |
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103 octave_mex_function (const octave_mex_function& fn); |
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104 |
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105 octave_mex_function& operator = (const octave_mex_function& fn); |
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106 |
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107 DECLARE_OCTAVE_ALLOCATOR |
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108 |
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109 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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110 }; |
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111 |
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112 #endif |
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113 |
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114 /* |
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115 ;;; Local Variables: *** |
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116 ;;; mode: C++ *** |
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117 ;;; End: *** |
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118 */ |
