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https://github.com/ThePhD/sol2.git
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27174aba9c
Adds a `protect()` function to trigger safety for an item. This commit also optimizes away all instances of virtual function calls for function calls and storage. Will need to test speed to see how it works out. Closes #133 Closes #134 Closes #135 Closes #136
119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013-2016 Rapptz, ThePhD 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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namespace detail {
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struct default_construct {
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template<typename T, typename... Args>
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static void construct(T&& obj, Args&&... args) {
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std::allocator<meta::unqualified_t<T>> alloc{};
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alloc.construct(obj, std::forward<Args>(args)...);
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}
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template<typename T, typename... Args>
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void operator()(T&& obj, Args&&... args) const {
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construct(std::forward<T>(obj), std::forward<Args>(args)...);
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}
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};
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struct default_destruct {
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template<typename T>
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static void destroy(T&& obj) {
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std::allocator<meta::unqualified_t<T>> alloc{};
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alloc.destroy(obj);
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}
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template<typename T>
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void operator()(T&& obj) const {
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destroy(std::forward<T>(obj));
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}
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};
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struct deleter {
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template <typename T>
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void operator()(T* p) const {
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delete p;
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}
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};
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template <typename T, typename Dx, typename... Args>
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inline std::unique_ptr<T, Dx> make_unique_deleter(Args&&... args) {
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return std::unique_ptr<T, Dx>(new T(std::forward<Args>(args)...));
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}
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template <typename T, typename List>
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struct constructors_for {
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List l;
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};
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} // detail
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template <typename... Args>
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struct constructor_list {};
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template<typename... Args>
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using constructors = constructor_list<Args...>;
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const auto default_constructor = constructors<types<>>{};
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struct no_construction {};
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const auto no_constructor = no_construction{};
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struct call_construction {};
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const auto call_constructor = call_construction{};
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template <typename... Functions>
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struct constructor_wrapper {
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std::tuple<Functions...> set;
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template <typename... Args>
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constructor_wrapper(Args&&... args) : set(std::forward<Args>(args)...) {}
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};
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template <typename... Functions>
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inline auto initializers(Functions&&... functions) {
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return constructor_wrapper<std::decay_t<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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destructor_wrapper(Function f) : fx(std::move(f)) {}
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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 auto destructor(Fx&& fx) {
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return destructor_wrapper<std::decay_t<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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