1*11be35a1SLionel Sambuc// Copyright 2011 Google Inc. 2*11be35a1SLionel Sambuc// All rights reserved. 3*11be35a1SLionel Sambuc// 4*11be35a1SLionel Sambuc// Redistribution and use in source and binary forms, with or without 5*11be35a1SLionel Sambuc// modification, are permitted provided that the following conditions are 6*11be35a1SLionel Sambuc// met: 7*11be35a1SLionel Sambuc// 8*11be35a1SLionel Sambuc// * Redistributions of source code must retain the above copyright 9*11be35a1SLionel Sambuc// notice, this list of conditions and the following disclaimer. 10*11be35a1SLionel Sambuc// * Redistributions in binary form must reproduce the above copyright 11*11be35a1SLionel Sambuc// notice, this list of conditions and the following disclaimer in the 12*11be35a1SLionel Sambuc// documentation and/or other materials provided with the distribution. 13*11be35a1SLionel Sambuc// * Neither the name of Google Inc. nor the names of its contributors 14*11be35a1SLionel Sambuc// may be used to endorse or promote products derived from this software 15*11be35a1SLionel Sambuc// without specific prior written permission. 16*11be35a1SLionel Sambuc// 17*11be35a1SLionel Sambuc// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*11be35a1SLionel Sambuc// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*11be35a1SLionel Sambuc// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*11be35a1SLionel Sambuc// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*11be35a1SLionel Sambuc// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*11be35a1SLionel Sambuc// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*11be35a1SLionel Sambuc// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*11be35a1SLionel Sambuc// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*11be35a1SLionel Sambuc// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*11be35a1SLionel Sambuc// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*11be35a1SLionel Sambuc// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*11be35a1SLionel Sambuc 29*11be35a1SLionel Sambuc#if !defined(LUTOK_STATE_IPP) 30*11be35a1SLionel Sambuc#define LUTOK_STATE_IPP 31*11be35a1SLionel Sambuc 32*11be35a1SLionel Sambuc#include <lutok/state.hpp> 33*11be35a1SLionel Sambuc 34*11be35a1SLionel Sambucnamespace lutok { 35*11be35a1SLionel Sambuc 36*11be35a1SLionel Sambuc 37*11be35a1SLionel Sambuc/// Wrapper around lua_newuserdata. 38*11be35a1SLionel Sambuc/// 39*11be35a1SLionel Sambuc/// This allocates an object as big as the size of the provided Type. 40*11be35a1SLionel Sambuc/// 41*11be35a1SLionel Sambuc/// \return The pointer to the allocated userdata object. 42*11be35a1SLionel Sambuc/// 43*11be35a1SLionel Sambuc/// \warning Terminates execution if there is not enough memory. 44*11be35a1SLionel Sambuctemplate< typename Type > 45*11be35a1SLionel SambucType* 46*11be35a1SLionel Sambucstate::new_userdata(void) 47*11be35a1SLionel Sambuc{ 48*11be35a1SLionel Sambuc return static_cast< Type* >(new_userdata_voidp(sizeof(Type))); 49*11be35a1SLionel Sambuc} 50*11be35a1SLionel Sambuc 51*11be35a1SLionel Sambuc 52*11be35a1SLionel Sambuc/// Wrapper around lua_touserdata. 53*11be35a1SLionel Sambuc/// 54*11be35a1SLionel Sambuc/// \param index The second parameter to lua_touserdata. 55*11be35a1SLionel Sambuc/// 56*11be35a1SLionel Sambuc/// \return The return value of lua_touserdata. 57*11be35a1SLionel Sambuctemplate< typename Type > 58*11be35a1SLionel SambucType* 59*11be35a1SLionel Sambucstate::to_userdata(const int index) 60*11be35a1SLionel Sambuc{ 61*11be35a1SLionel Sambuc return static_cast< Type* >(to_userdata_voidp(index)); 62*11be35a1SLionel Sambuc} 63*11be35a1SLionel Sambuc 64*11be35a1SLionel Sambuc 65*11be35a1SLionel Sambuc} // namespace lutok 66*11be35a1SLionel Sambuc 67*11be35a1SLionel Sambuc#endif // !defined(LUTOK_STATE_IPP) 68