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Diffstat (limited to 'deps/sol2/include/sol/wrapper.hpp')
| -rw-r--r-- | deps/sol2/include/sol/wrapper.hpp | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/deps/sol2/include/sol/wrapper.hpp b/deps/sol2/include/sol/wrapper.hpp new file mode 100644 index 0000000..75670f0 --- /dev/null +++ b/deps/sol2/include/sol/wrapper.hpp @@ -0,0 +1,307 @@ +// sol3 + +// The MIT License (MIT) + +// Copyright (c) 2013-2019 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_WRAPPER_HPP +#define SOL_WRAPPER_HPP + +#include "types.hpp" + +namespace sol { + + namespace detail { + template <typename T> + using array_return_type = meta::conditional_t<std::is_array<T>::value, std::add_lvalue_reference_t<T>, T>; + } + + template <typename F, typename = void> + struct wrapper { + typedef lua_bind_traits<meta::unqualified_t<F>> traits_type; + typedef typename traits_type::args_list args_list; + typedef typename traits_type::args_list free_args_list; + typedef typename traits_type::returns_list returns_list; + + template <typename... Args> + static decltype(auto) call(F& f, Args&&... args) { + return f(std::forward<Args>(args)...); + } + + struct caller { + template <typename... Args> + decltype(auto) operator()(F& fx, Args&&... args) const { + return call(fx, std::forward<Args>(args)...); + } + }; + }; + + template <typename F> + struct wrapper<F, std::enable_if_t<std::is_function<std::remove_pointer_t<meta::unqualified_t<F>>>::value>> { + typedef lua_bind_traits<std::remove_pointer_t<meta::unqualified_t<F>>> traits_type; + typedef typename traits_type::args_list args_list; + typedef typename traits_type::args_list free_args_list; + typedef typename traits_type::returns_list returns_list; + + template <F fx, typename... Args> + static decltype(auto) invoke(Args&&... args) { + return fx(std::forward<Args>(args)...); + } + + template <typename... Args> + static decltype(auto) call(F& fx, Args&&... args) { + return fx(std::forward<Args>(args)...); + } + + struct caller { + template <typename... Args> + decltype(auto) operator()(F& fx, Args&&... args) const { + return call(fx, std::forward<Args>(args)...); + } + }; + + template <F fx> + struct invoker { + template <typename... Args> + decltype(auto) operator()(Args&&... args) const { + return invoke<fx>(std::forward<Args>(args)...); + } + }; + }; + + template <typename F> + struct wrapper<F, std::enable_if_t<std::is_member_object_pointer<meta::unqualified_t<F>>::value>> { + typedef lua_bind_traits<meta::unqualified_t<F>> traits_type; + typedef typename traits_type::object_type object_type; + typedef typename traits_type::return_type return_type; + typedef typename traits_type::args_list args_list; + typedef types<object_type&, return_type> free_args_list; + typedef typename traits_type::returns_list returns_list; + + template <F fx> + static auto call(object_type& mem) -> detail::array_return_type<decltype(mem.*fx)> { + return mem.*fx; + } + + template <F fx, typename Arg, typename... Args> + static decltype(auto) invoke(object_type& mem, Arg&& arg, Args&&...) { + return mem.*fx = std::forward<Arg>(arg); + } + + template <typename Fx> + static auto call(Fx&& fx, object_type& mem) -> detail::array_return_type<decltype(mem.*fx)> { + return mem.*fx; + } + + template <typename Fx, typename Arg, typename... Args> + static void call(Fx&& fx, object_type& mem, Arg&& arg, Args&&...) { + using actual_type = meta::unqualified_t<detail::array_return_type<decltype(mem.*fx)>>; + if constexpr (std::is_array_v<actual_type>) { + using std::cend; + using std::cbegin; + auto first = cbegin(arg); + auto last = cend(arg); + for (std::size_t i = 0; first != last; ++i, ++first) { + (mem.*fx)[i] = *first; + } + } + else { + (mem.*fx) = std::forward<Arg>(arg); + } + } + + struct caller { + template <typename Fx, typename... Args> + decltype(auto) operator()(Fx&& fx, object_type& mem, Args&&... args) const { + return call(std::forward<Fx>(fx), mem, std::forward<Args>(args)...); + } + }; + + template <F fx> + struct invoker { + template <typename... Args> + decltype(auto) operator()(Args&&... args) const { + return invoke<fx>(std::forward<Args>(args)...); + } + }; + }; + + template <typename F, typename R, typename O, typename... FArgs> + struct member_function_wrapper { + typedef O object_type; + typedef lua_bind_traits<F> traits_type; + typedef typename traits_type::args_list args_list; + typedef types<object_type&, FArgs...> free_args_list; + typedef meta::tuple_types<R> returns_list; + + template <F fx, typename... Args> + static R invoke(O& mem, Args&&... args) { + return (mem.*fx)(std::forward<Args>(args)...); + } + + template <typename Fx, typename... Args> + static R call(Fx&& fx, O& mem, Args&&... args) { + return (mem.*fx)(std::forward<Args>(args)...); + } + + struct caller { + template <typename Fx, typename... Args> + decltype(auto) operator()(Fx&& fx, O& mem, Args&&... args) const { + return call(std::forward<Fx>(fx), mem, std::forward<Args>(args)...); + } + }; + + template <F fx> + struct invoker { + template <typename... Args> + decltype(auto) operator()(O& mem, Args&&... args) const { + return invoke<fx>(mem, std::forward<Args>(args)...); + } + }; + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...)> : public member_function_wrapper<R (O::*)(Args...), R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const> : public member_function_wrapper<R (O::*)(Args...) const, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const volatile> : public member_function_wrapper<R (O::*)(Args...) const volatile, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...)&> : public member_function_wrapper<R (O::*)(Args...)&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const&> : public member_function_wrapper<R (O::*)(Args...) const&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const volatile&> : public member_function_wrapper<R (O::*)(Args...) const volatile&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...)&> : public member_function_wrapper<R (O::*)(Args..., ...)&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const&> : public member_function_wrapper<R (O::*)(Args..., ...) const&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const volatile&> : public member_function_wrapper<R (O::*)(Args..., ...) const volatile&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) &&> : public member_function_wrapper<R (O::*)(Args...)&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const&&> : public member_function_wrapper<R (O::*)(Args...) const&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const volatile&&> : public member_function_wrapper<R (O::*)(Args...) const volatile&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) &&> : public member_function_wrapper<R (O::*)(Args..., ...)&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const&&> : public member_function_wrapper<R (O::*)(Args..., ...) const&, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const volatile&&> : public member_function_wrapper<R (O::*)(Args..., ...) const volatile&, R, O, Args...> { + }; + +#if defined(SOL_NOEXCEPT_FUNCTION_TYPE) && SOL_NOEXCEPT_FUNCTION_TYPE + //noexcept has become a part of a function's type + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) noexcept> : public member_function_wrapper<R (O::*)(Args...) noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const noexcept> : public member_function_wrapper<R (O::*)(Args...) const noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const volatile noexcept> : public member_function_wrapper<R (O::*)(Args...) const volatile noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) & noexcept> : public member_function_wrapper<R (O::*)(Args...) & noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const& noexcept> : public member_function_wrapper<R (O::*)(Args...) const& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const volatile& noexcept> : public member_function_wrapper<R (O::*)(Args...) const volatile& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) & noexcept> : public member_function_wrapper<R (O::*)(Args..., ...) & noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const& noexcept> : public member_function_wrapper<R (O::*)(Args..., ...) const& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const volatile& noexcept> : public member_function_wrapper<R (O::*)(Args..., ...) const volatile& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) && noexcept> : public member_function_wrapper<R (O::*)(Args...) & noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const&& noexcept> : public member_function_wrapper<R (O::*)(Args...) const& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args...) const volatile&& noexcept> : public member_function_wrapper<R (O::*)(Args...) const volatile& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) && noexcept> : public member_function_wrapper<R (O::*)(Args..., ...) & noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const&& noexcept> : public member_function_wrapper<R (O::*)(Args..., ...) const& noexcept, R, O, Args...> { + }; + + template <typename R, typename O, typename... Args> + struct wrapper<R (O::*)(Args..., ...) const volatile&& noexcept> : public member_function_wrapper<R (O::*)(Args..., ...) const volatile& noexcept, R, O, Args...> { + }; + +#endif // noexcept is part of a function's type + +} // namespace sol + +#endif // SOL_WRAPPER_HPP |