1 // Copyright 2011 Google Inc.
2 // All rights reserved.
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5 // modification, are permitted provided that the following conditions are
8 // * Redistributions of source code must retain the above copyright
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10 // * Redistributions in binary form must reproduce the above copyright
11 // notice, this list of conditions and the following disclaimer in the
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29 #if !defined(LUTOK_STATE_IPP)
30 #define LUTOK_STATE_IPP
32 #include <lutok/state.hpp>
37 /// Wrapper around lua_newuserdata.
39 /// This allocates an object as big as the size of the provided Type.
41 /// \return The pointer to the allocated userdata object.
43 /// \warning Terminates execution if there is not enough memory.
44 template< typename Type >
46 state::new_userdata(void)
48 return static_cast< Type* >(new_userdata_voidp(sizeof(Type)));
52 /// Wrapper around lua_touserdata.
54 /// \param index The second parameter to lua_touserdata.
56 /// \return The return value of lua_touserdata.
57 template< typename Type >
59 state::to_userdata(const int index)
61 return static_cast< Type* >(to_userdata_voidp(index));
67 #endif // !defined(LUTOK_STATE_IPP)