#ifndef interpreter_tcc #define interpreter_tcc // interpreter.tcc // marvin - programme du robot 2006. {{{ // // Copyright (C) 2006 Nicolas Schodet // // Robot APB Team/Efrei 2006. // Web: http://assos.efrei.fr/robot/ // Email: robot AT efrei DOT fr // // This program 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 2 of the License, or // (at your option) any later version. // // This program 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 this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // }}} #include "utils/meta/remove_reference.hh" #include /// Func class construction helper. template class Interpreter::MemFunc { }; /// Partially specialised for member functions taking an arguments list. template class Interpreter::MemFunc : public Func { T &i_; typedef void (T::*F) (const Interpreter::Args &, bool); F f_; public: MemFunc (T &i, F f) : i_ (i), f_ (f) { } void operator() (const Args &a, bool dryrun) { (i_.*f_) (a, dryrun); } }; /// Partially specialised for members functions taking no argument. template class Interpreter::MemFunc : public Func { T &i_; typedef R (T::*F) (void); F f_; public: MemFunc (T &i, F f) : i_ (i), f_ (f) { } void operator() (const Args &a, bool dryrun) { if (!a.empty ()) throw std::runtime_error ("no argument expected"); if (!dryrun) (i_.*f_) (); } }; /// Partially specialised for members functions taking one argument. template class Interpreter::MemFunc : public Func { T &i_; typedef R (T::*F) (A1); F f_; public: MemFunc (T &i, F f) : i_ (i), f_ (f) { } void operator() (const Args &a, bool dryrun) { Args::const_iterator i = a.begin (); if (a.size () != 1) throw std::runtime_error ("one argument expected"); A1 a1 = any_cast::type> (*i); if (!dryrun) (i_.*f_) (a1); } }; /// Partially specialised for members functions taking two arguments. template class Interpreter::MemFunc : public Func { T &i_; typedef R (T::*F) (A1, A2); F f_; public: MemFunc (T &i, F f) : i_ (i), f_ (f) { } void operator() (const Args &a, bool dryrun) { Args::const_iterator i = a.begin (); if (a.size () != 2) throw std::runtime_error ("two arguments expected"); A1 a1 = any_cast::type> (*i); A2 a2 = any_cast::type> (*++i); if (!dryrun) (i_.*f_) (a1, a2); } }; /// Partially specialised for members functions taking three arguments. template class Interpreter::MemFunc : public Func { T &i_; typedef R (T::*F) (A1, A2, A3); F f_; public: MemFunc (T &i, F f) : i_ (i), f_ (f) { } void operator() (const Args &a, bool dryrun) { Args::const_iterator i = a.begin (); if (a.size () != 3) throw std::runtime_error ("three arguments expected"); A1 a1 = any_cast::type> (*i); A2 a2 = any_cast::type> (*++i); A3 a3 = any_cast::type> (*++i); if (!dryrun) (i_.*f_) (a1, a2, a3); } }; /// Take all the template sophistications out of the programmer hands. template Interpreter::Func * Interpreter::memFunc (T &i, F f) { return new MemFunc (i, f); } #endif // interpreter_tcc