68 lines
2.3 KiB
Text
68 lines
2.3 KiB
Text
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// Copyright 2011 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#if !defined(LUTOK_STATE_IPP)
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#define LUTOK_STATE_IPP
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#include <lutok/state.hpp>
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namespace lutok {
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/// Wrapper around lua_newuserdata.
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///
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/// This allocates an object as big as the size of the provided Type.
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///
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/// \return The pointer to the allocated userdata object.
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///
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/// \warning Terminates execution if there is not enough memory.
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template< typename Type >
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Type*
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state::new_userdata(void)
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{
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return static_cast< Type* >(new_userdata_voidp(sizeof(Type)));
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}
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/// Wrapper around lua_touserdata.
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///
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/// \param index The second parameter to lua_touserdata.
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///
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/// \return The return value of lua_touserdata.
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template< typename Type >
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Type*
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state::to_userdata(const int index)
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{
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return static_cast< Type* >(to_userdata_voidp(index));
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}
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} // namespace lutok
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#endif // !defined(LUTOK_STATE_IPP)
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