mirror of
https://github.com/ThePhD/sol2.git
synced 2024-03-22 13:10:44 +08:00
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
// The MIT License (MIT)
|
|
|
|
// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
// this software and associated documentation files (the "Software"), to deal in
|
|
// the Software without restriction, including without limitation the rights to
|
|
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
// the Software, and to permit persons to whom the Software is furnished to do so,
|
|
// subject to the following conditions:
|
|
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
#ifndef SOL_RAII_HPP
|
|
#define SOL_RAII_HPP
|
|
|
|
#include <memory>
|
|
#include "traits.hpp"
|
|
|
|
namespace sol {
|
|
namespace detail {
|
|
struct default_construct {
|
|
template<typename T, typename... Args>
|
|
static void construct(T&& obj, Args&&... args) {
|
|
std::allocator<meta::unqualified_t<T>> alloc{};
|
|
alloc.construct(obj, std::forward<Args>(args)...);
|
|
}
|
|
|
|
template<typename T, typename... Args>
|
|
void operator()(T&& obj, Args&&... args) const {
|
|
construct(std::forward<T>(obj), std::forward<Args>(args)...);
|
|
}
|
|
};
|
|
|
|
struct default_destruct {
|
|
template<typename T>
|
|
static void destroy(T&& obj) {
|
|
std::allocator<meta::unqualified_t<T>> alloc{};
|
|
alloc.destroy(obj);
|
|
}
|
|
|
|
template<typename T>
|
|
void operator()(T&& obj) const {
|
|
destroy(std::forward<T>(obj));
|
|
}
|
|
};
|
|
} // detail
|
|
|
|
template <typename... Args>
|
|
struct constructor_list {};
|
|
|
|
template<typename... Args>
|
|
using constructors = constructor_list<Args...>;
|
|
|
|
const auto default_constructor = constructors<types<>>{};
|
|
|
|
struct no_construction {};
|
|
const auto no_constructor = no_construction{};
|
|
|
|
struct call_construction {};
|
|
const auto call_constructor = call_construction{};
|
|
|
|
template <typename... Functions>
|
|
struct constructor_wrapper {
|
|
std::tuple<Functions...> set;
|
|
template <typename... Args>
|
|
constructor_wrapper(Args&&... args) : set(std::forward<Args>(args)...) {}
|
|
};
|
|
|
|
template <typename... Functions>
|
|
constructor_wrapper<Functions...> initializers(Functions&&... functions) {
|
|
return constructor_wrapper<Functions...>(std::forward<Functions>(functions)...);
|
|
}
|
|
|
|
template <typename Function>
|
|
struct destructor_wrapper {
|
|
Function fx;
|
|
template <typename... Args>
|
|
destructor_wrapper(Args&&... args) : fx(std::forward<Args>(args)...) {}
|
|
};
|
|
|
|
template <>
|
|
struct destructor_wrapper<void> {};
|
|
|
|
const destructor_wrapper<void> default_destructor{};
|
|
|
|
template <typename Fx>
|
|
inline destructor_wrapper<Fx> destructor(Fx&& fx) {
|
|
return destructor_wrapper<std::decay_t<Fx>>(std::forward<Fx>(fx));
|
|
}
|
|
|
|
} // sol
|
|
|
|
#endif // SOL_RAII_HPP
|