mirror of
https://github.com/ThePhD/sol2.git
synced 2024-03-22 13:10:44 +08:00
0c9d567d0a
new sol::filters (currently undocumented) new gc tests, new plain_type tests core abstractions over usertypes streamlined SOL_STRINGS_ARE_NUMBERS triggers added update single
102 lines
4.2 KiB
C++
102 lines
4.2 KiB
C++
// The MIT License (MIT)
|
|
|
|
// Copyright (c) 2013-2017 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_USERTYPE_HPP
|
|
#define SOL_USERTYPE_HPP
|
|
|
|
#include "stack.hpp"
|
|
#include "usertype_metatable.hpp"
|
|
#include "simple_usertype_metatable.hpp"
|
|
#include "container_usertype_metatable.hpp"
|
|
#include <memory>
|
|
|
|
namespace sol {
|
|
|
|
template<typename T>
|
|
class usertype {
|
|
private:
|
|
std::unique_ptr<usertype_detail::registrar, detail::deleter> metatableregister;
|
|
|
|
template<typename... Args>
|
|
usertype(detail::verified_tag, Args&&... args) : metatableregister(detail::make_unique_deleter<usertype_metatable<T, std::make_index_sequence<sizeof...(Args) / 2>, Args...>, detail::deleter>(std::forward<Args>(args)...)) {
|
|
static_assert(detail::has_destructor<Args...>::value, "this type does not have an explicit destructor declared; please pass a custom destructor function wrapped in sol::destruct, especially if the type does not have an accessible (private) destructor");
|
|
}
|
|
|
|
template<typename... Args>
|
|
usertype(detail::add_destructor_tag, Args&&... args) : usertype(detail::verified, std::forward<Args>(args)..., "__gc", default_destructor) {}
|
|
|
|
template<typename... Args>
|
|
usertype(detail::check_destructor_tag, Args&&... args) : usertype(meta::condition<meta::all<std::is_destructible<T>, meta::neg<detail::has_destructor<Args...>>>, detail::add_destructor_tag, detail::verified_tag>(), std::forward<Args>(args)...) {}
|
|
|
|
public:
|
|
|
|
template<typename... Args>
|
|
usertype(Args&&... args) : usertype(meta::condition<meta::all<std::is_default_constructible<T>, meta::neg<detail::has_constructor<Args...>>>, decltype(default_constructor), detail::check_destructor_tag>(), std::forward<Args>(args)...) {}
|
|
|
|
template<typename... Args, typename... CArgs>
|
|
usertype(constructors<CArgs...> constructorlist, Args&&... args) : usertype(detail::check_destructor_tag(), std::forward<Args>(args)..., "new", constructorlist) {}
|
|
|
|
template<typename... Args, typename... Fxs>
|
|
usertype(constructor_wrapper<Fxs...> constructorlist, Args&&... args) : usertype(detail::check_destructor_tag(), std::forward<Args>(args)..., "new", constructorlist) {}
|
|
|
|
template<typename... Args>
|
|
usertype(simple_tag, lua_State* L, Args&&... args) : metatableregister(detail::make_unique_deleter<simple_usertype_metatable<T>, detail::deleter>(L, std::forward<Args>(args)...)) {}
|
|
|
|
usertype_detail::registrar* registrar_data() {
|
|
return metatableregister.get();
|
|
}
|
|
|
|
int push(lua_State* L) {
|
|
int r = metatableregister->push_um(L);
|
|
metatableregister = nullptr;
|
|
return r;
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
class simple_usertype : public usertype<T> {
|
|
private:
|
|
typedef usertype<T> base_t;
|
|
lua_State* state;
|
|
|
|
public:
|
|
template<typename... Args>
|
|
simple_usertype(lua_State* L, Args&&... args) : base_t(simple, L, std::forward<Args>(args)...), state(L) {}
|
|
|
|
template <typename N, typename F>
|
|
void set(N&& n, F&& f) {
|
|
auto meta = static_cast<simple_usertype_metatable<T>*>(base_t::registrar_data());
|
|
meta->add(state, std::forward<N>(n), std::forward<F>(f));
|
|
}
|
|
};
|
|
|
|
namespace stack {
|
|
template<typename T>
|
|
struct pusher<usertype<T>> {
|
|
static int push(lua_State* L, usertype<T>& user) {
|
|
return user.push(L);
|
|
}
|
|
};
|
|
} // stack
|
|
} // sol
|
|
|
|
#endif // SOL_USERTYPE_HPP
|