mirror of
https://github.com/ThePhD/sol2.git
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019c7b037b
usertype now respects factory functions and does not make default constructors/destructors unless the compiler says its okay new and __gc functions can be overridden for usertypes to provide handle-like creation and deletion functions Overloading match fixes RAII improvements for all usertypes Added tests to make sure these features stay
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013-2016 Rapptz and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SOL_RAII_HPP
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#define SOL_RAII_HPP
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#include <memory>
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#include "traits.hpp"
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namespace sol {
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struct default_construct {
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template<typename T, typename... Args>
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void operator()(T&& obj, Args&&... args) const {
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std::allocator<Unqualified<T>> alloc{};
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alloc.construct(obj, std::forward<Args>(args)...);
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}
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};
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template <typename T>
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struct placement_construct {
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T obj;
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template <typename... Args>
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placement_construct( Args&&... args ) : obj(std::forward<Args>(args)...) {}
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template<typename... Args>
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void operator()(Args&&... args) const {
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default_construct{}(obj, std::forward<Args>(args)...);
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}
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};
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template<typename... Args>
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using constructors = sol::types<Args...>;
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const auto default_constructor = constructors<types<>>{};
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template <typename... Functions>
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struct constructor_wrapper : std::tuple<Functions...> {
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using std::tuple<Functions...>::tuple;
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};
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template <typename... Functions>
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constructor_wrapper<Functions...> constructor(Functions&&... functions) {
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return constructor_wrapper<Functions...>(std::forward<Functions>(functions)...);
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}
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template <typename Function>
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struct destructor_wrapper {
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Function fx;
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template <typename... Args>
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destructor_wrapper(Args&&... args) : fx(std::forward<Args>(args)...) {}
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};
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template <>
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struct destructor_wrapper<void> {};
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const destructor_wrapper<void> default_destructor{};
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template <typename Fx>
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inline destructor_wrapper<Fx> destructor(Fx&& fx) {
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return destructor_wrapper<Fx>(std::forward<Fx>(fx));
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}
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} // sol
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#endif // SOL_RAII_HPP
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