state.ipp

// Copyright 2011 Google Inc.
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#if !defined(LUTOK_STATE_IPP)
#define LUTOK_STATE_IPP

#include <lutok/state.hpp>

namespace lutok {


/// Wrapper around lua_newuserdata.
///
/// This allocates an object as big as the size of the provided Type.
///
/// \return The pointer to the allocated userdata object.
///
/// \warning Terminates execution if there is not enough memory.
template< typename Type >
Type*
state::new_userdata(void)
{
    return static_cast< Type* >(new_userdata_voidp(sizeof(Type)));
}


/// Wrapper around lua_touserdata.
///
/// \param index The second parameter to lua_touserdata.
///
/// \return The return value of lua_touserdata.
template< typename Type >
Type*
state::to_userdata(const int index)
{
    return static_cast< Type* >(to_userdata_voidp(index));
}


}  // namespace lutok

#endif  // !defined(LUTOK_STATE_IPP)