Mercurial > octave
view libinterp/octave-value/ov-mex-fcn.h @ 23084:ef4d915df748
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 23 Jan 2017 14:27:48 -0500 |
parents | f75d289645ec e9a0469dedd9 |
children | 092078913d54 |
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/* Copyright (C) 1996-2016 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if ! defined (octave_ov_mex_fcn_h) #define octave_ov_mex_fcn_h 1 #include "octave-config.h" #include <string> #include "oct-shlib.h" #include "ov-fcn.h" #include "ov-builtin.h" #include "ov-typeinfo.h" class octave_value; class octave_value_list; // Dynamically-linked functions. class octave_mex_function : public octave_function { public: octave_mex_function (void) : mex_fcn_ptr (), exit_fcn_ptr (), have_fmex (), sh_lib (), t_checked (), system_fcn_file () { } octave_mex_function (void *fptr, bool fmex, const octave::dynamic_library& shl, const std::string& nm = ""); // No copying! octave_mex_function (const octave_mex_function& fn) = delete; octave_mex_function& operator = (const octave_mex_function& fn) = delete; ~octave_mex_function (void); octave_value subsref (const std::string& type, const std::list<octave_value_list>& idx) { octave_value_list tmp = subsref (type, idx, 1); return tmp.length () > 0 ? tmp(0) : octave_value (); } octave_value_list subsref (const std::string& type, const std::list<octave_value_list>& idx, int nargout); octave_function *function_value (bool = false) { return this; } const octave_function *function_value (bool = false) const { return this; } void mark_fcn_file_up_to_date (const octave::sys::time& t) { t_checked = t; } std::string fcn_file_name (void) const; octave::sys::time time_parsed (void) const; octave::sys::time time_checked (void) const { return t_checked; } bool is_system_fcn_file (void) const { return system_fcn_file; } bool is_builtin_function (void) const { return false; } bool is_mex_function (void) const { return true; } octave_value_list do_multi_index_op (int nargout, const octave_value_list& args); void atexit (void (*fcn) (void)) { exit_fcn_ptr = fcn; } octave::dynamic_library get_shlib (void) const { return sh_lib; } private: void *mex_fcn_ptr; void (*exit_fcn_ptr) (void); bool have_fmex; octave::dynamic_library sh_lib; // The time the file was last checked to see if it needs to be // parsed again. mutable octave::sys::time t_checked; // True if this function came from a file that is considered to be a // system function. This affects whether we check the time stamp // on the file to see if it has changed. bool system_fcn_file; DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA }; #endif