mirror of
https://github.com/ThePhD/sol2.git
synced 2024-03-22 13:10:44 +08:00
8039dd22a6
add new shared_ptr differentiation mechanism that persists between DLLs (fixes #661) change valid Lua version to handle Lua 5.4.0-work1 (fixes #649) remove upper limit on MSVC version: they're not fixing it anytime soon (fixes #655) add integer value for definition (fixes #651)
118 lines
4.2 KiB
C++
118 lines
4.2 KiB
C++
// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2018 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_USERTYPE_HPP
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#define SOL_USERTYPE_HPP
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#include "stack.hpp"
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#include "usertype_metatable.hpp"
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#include "simple_usertype_metatable.hpp"
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#include "container_usertype_metatable.hpp"
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#include <memory>
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namespace sol {
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template <typename T>
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class usertype {
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private:
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std::unique_ptr<usertype_detail::registrar> metatableregister;
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template <typename... Args>
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usertype(detail::verified_tag, Args&&... args)
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: metatableregister(std::make_unique<usertype_metatable<T, std::make_index_sequence<sizeof...(Args) / 2>, Args...>>(std::forward<Args>(args)...)) {
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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");
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}
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template <typename... Args>
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usertype(detail::add_destructor_tag, Args&&... args)
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: usertype(detail::verified, std::forward<Args>(args)..., "__gc", default_destructor) {
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}
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template <typename... Args>
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usertype(detail::check_destructor_tag, Args&&... args)
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: 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)...) {
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}
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public:
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template <typename... Args>
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usertype(Args&&... args)
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: 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)...) {
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}
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template <typename... Args, typename... CArgs>
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usertype(constructors<CArgs...> constructorlist, Args&&... args)
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: usertype(detail::check_destructor_tag(), std::forward<Args>(args)..., "new", constructorlist) {
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}
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template <typename... Args, typename... Fxs>
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usertype(constructor_wrapper<Fxs...> constructorlist, Args&&... args)
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: usertype(detail::check_destructor_tag(), std::forward<Args>(args)..., "new", constructorlist) {
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}
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template <typename... Args>
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usertype(simple_tag, lua_State* L, Args&&... args)
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: metatableregister(std::make_unique<simple_usertype_metatable<T>>(L, std::forward<Args>(args)...)) {
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}
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usertype_detail::registrar* registrar_data() {
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return metatableregister.get();
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}
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int push(lua_State* L) {
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int r = metatableregister->push_um(L);
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metatableregister = nullptr;
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return r;
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}
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};
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template <typename T>
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class simple_usertype : public usertype<T> {
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private:
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typedef usertype<T> base_t;
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lua_State* state;
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public:
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template <typename... Args>
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simple_usertype(lua_State* L, Args&&... args)
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: base_t(simple, L, std::forward<Args>(args)...), state(L) {
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}
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template <typename N, typename F>
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void set(N&& n, F&& f) {
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auto meta = static_cast<simple_usertype_metatable<T>*>(base_t::registrar_data());
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meta->add(state, std::forward<N>(n), std::forward<F>(f));
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}
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};
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namespace stack {
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template <typename T>
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struct pusher<usertype<T>> {
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static int push(lua_State* L, usertype<T>& user) {
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return user.push(L);
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}
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};
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} // namespace stack
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} // namespace sol
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#endif // SOL_USERTYPE_HPP
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