2016-08-07 12:52:48 -07:00
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///
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/// @file eo_concrete.hh
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///
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#ifndef EFL_CXX_EO_PROMISE_HH
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#define EFL_CXX_EO_PROMISE_HH
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#include <Efl.h>
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#include <Eina.hh>
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#include <Ecore_Manual.hh>
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#include <mutex>
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#include <condition_variable>
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2016-08-15 10:47:16 -07:00
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#include <eina_tuple.hh>
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2016-08-07 12:52:48 -07:00
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namespace efl {
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2016-08-15 10:47:16 -07:00
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template <typename...Args>
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struct shared_future;
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2016-08-07 12:52:48 -07:00
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namespace _impl {
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2016-08-15 10:47:16 -07:00
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template <typename...Futures>
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struct all_result_type;
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template <typename...Args>
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struct all_result_type<shared_future<Args...>>
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{
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typedef shared_future<Args...> type;
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};
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template <typename...Args1, typename...Args2>
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struct all_result_type<shared_future<Args1...>, shared_future<Args2...>>
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{
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typedef shared_future<Args1..., Args2...> type;
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};
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template <typename...Args1, typename...Args2, typename...OtherFutures>
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struct all_result_type<shared_future<Args1...>, shared_future<Args2...>, OtherFutures...>
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{
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typedef typename all_result_type<shared_future<Args1..., Args2...>, OtherFutures...>::type type;
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};
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2016-08-07 12:52:48 -07:00
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2016-08-15 10:47:16 -07:00
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template <typename...Futures>
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typename all_result_type<Futures...>::type
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all_impl(Futures const& ... futures)
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{
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Efl_Future* future = ::efl_future_all_internal(futures.native_handle()..., NULL);
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return typename all_result_type<Futures...>::type{ ::efl_ref(future)};
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}
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template <typename...Futures>
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struct race_result_type;
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template <typename...Args>
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struct race_result_type<shared_future<Args...>>
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{
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typedef shared_future<Args...> type;
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2016-08-07 12:52:48 -07:00
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};
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2016-08-15 10:47:16 -07:00
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template <typename T, typename...Args>
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struct race_compose_impl;
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template <typename T, typename A0, typename...Args>
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struct race_compose_impl<T, A0, Args...>
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{
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typedef typename std::conditional<eina::_mpl::tuple_contains<A0, T>::value
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, typename race_compose_impl<T, Args...>::type
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, typename race_compose_impl<typename eina::_mpl::push_back<T, A0>::type, Args...>::type
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>::type type;
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};
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template <typename T>
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struct race_compose_impl<T>
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{
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typedef T type;
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};
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template <typename T>
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struct variant_from_tuple;
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template <typename...Args>
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struct variant_from_tuple<std::tuple<Args...>>
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{
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typedef eina::variant<Args...> type;
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};
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template <typename...Args>
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struct race_variant
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{
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typedef typename variant_from_tuple<typename race_compose_impl<std::tuple<>, Args...>::type>::type type;
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};
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2016-08-15 10:47:16 -07:00
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template <typename A0>
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struct race_result_type<shared_future<A0>>
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{
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typedef shared_future<A0> type;
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};
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template <typename A0>
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struct race_result_type<shared_future<eina::variant<A0>>>
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{
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typedef shared_future<A0> type;
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};
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template <typename...Args1, typename...Args2>
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struct race_result_type<shared_future<Args1...>, shared_future<Args2...>>
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{
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typedef typename race_result_type<shared_future<typename race_variant<Args1..., Args2...>::type>>::type type;
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};
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template <typename...Args1, typename...Args2, typename...OtherFutures>
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struct race_result_type<shared_future<Args1...>, shared_future<Args2...>, OtherFutures...>
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{
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typedef typename race_result_type<shared_future<typename race_variant<Args1..., Args2...>::type>
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, OtherFutures...>::type type;
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};
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template <typename...Futures>
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typename race_result_type<Futures...>::type
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race_impl(Futures const& ... futures)
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{
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Efl_Future* future = ::efl_future_race_internal(futures.native_handle()..., NULL);
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return typename race_result_type<Futures...>::type{ ::efl_ref(future)};
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}
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2016-08-16 19:26:52 -07:00
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template <typename T, typename Enabler = void>
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struct future_copy_traits
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{
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static void copy(T* storage, Efl_Future_Event_Success const* info)
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{
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eina::copy_from_c_traits<T>::copy_to_unitialized
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(storage, info->value);
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}
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};
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template <typename...Args>
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struct future_copy_traits<eina::variant<Args...>>
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{
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template <std::size_t I>
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static void copy_impl(eina::variant<Args...>*, void const*, int, std::integral_constant<std::size_t, I>
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, std::integral_constant<std::size_t, I>)
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{
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std::abort();
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}
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template <std::size_t I, std::size_t N>
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static void copy_impl(eina::variant<Args...>* storage, void const* value, int index, std::integral_constant<std::size_t, I>
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, std::integral_constant<std::size_t, N> max
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, typename std::enable_if<I != N>::type* = 0)
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{
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if(I == index)
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{
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eina::copy_from_c_traits<eina::variant<Args...>>::copy_to_unitialized
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(storage, static_cast<typename std::tuple_element<I, std::tuple<Args...>>::type const*>
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(static_cast<void const*>(value)));
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}
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else
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copy_impl(storage, value, index, std::integral_constant<std::size_t, I+1>{}, max);
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}
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static void copy(eina::variant<Args...>* storage, Efl_Future_Event_Success const* other_info)
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{
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Efl_Future_Race_Success const* info = static_cast<Efl_Future_Race_Success const*>
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(static_cast<void const*>(other_info));
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copy_impl(storage, info->value, info->index, std::integral_constant<std::size_t, 0ul>{}
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, std::integral_constant<std::size_t, sizeof...(Args)>{});
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}
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};
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2016-08-15 10:47:16 -07:00
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template <typename A0, typename F>
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typename std::enable_if
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<
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!std::is_same<A0, void>::value
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&& !std::is_same<typename std::result_of<F(A0)>::type, void>::value
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>::type
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future_invoke(F f, Efl_Event const* event)
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{
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Efl_Future_Event_Success* info = static_cast<Efl_Future_Event_Success*>(event->info);
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try
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{
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typename std::aligned_storage<sizeof(A0), alignof(A0)>::type storage;
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future_copy_traits<A0>::copy(static_cast<A0*>(static_cast<void*>(&storage)), info);
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auto r = f(*static_cast<A0*>(static_cast<void*>(&storage)));
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typedef decltype(r) result_type;
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typedef typename eina::alloc_to_c_traits<result_type>::c_type c_type;
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c_type* c_value = eina::alloc_to_c_traits<result_type>::copy_alloc(r);
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efl_promise_value_set(info->next, c_value, & eina::alloc_to_c_traits<result_type>::free_alloc);
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}
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catch(...)
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{
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}
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}
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template <typename A0, typename F>
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typename std::enable_if<std::is_same<A0, void>::value>::type
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future_invoke(F f, Efl_Event const* event)
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{
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Efl_Future_Event_Success* info = static_cast<Efl_Future_Event_Success*>(event->info);
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try
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{
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f();
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}
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catch(...)
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{
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}
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}
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2016-08-15 10:47:16 -07:00
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template <std::size_t N, typename...Args, typename...StorageArgs>
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static void future_invoke_impl_read_accessor
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(Eina_Accessor*, std::tuple<StorageArgs...>&, std::tuple<Args...>*, std::true_type)
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{
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}
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template <std::size_t N, typename...Args, typename...StorageArgs>
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static void future_invoke_impl_read_accessor
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(Eina_Accessor* accessor
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, std::tuple<StorageArgs...>& storage_tuple
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, std::tuple<Args...>* args
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, std::false_type)
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{
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typedef std::tuple<Args...> tuple_type;
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typedef typename std::tuple_element<N, tuple_type>::type type;
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void* value;
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if(eina_accessor_data_get(accessor, N, &value))
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{
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eina::copy_from_c_traits<type>::copy_to_unitialized
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(static_cast<type*>(static_cast<void*>(&std::get<N>(storage_tuple))), value);
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_impl::future_invoke_impl_read_accessor<N+1>
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(accessor, storage_tuple, args
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, std::integral_constant<bool, (N+1 == sizeof...(Args))>());
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}
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else
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{
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std::abort();
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// some error
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}
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}
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template <typename F, typename...Args, std::size_t...I>
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void future_invoke_impl(F f, Efl_Event const* event, std::tuple<Args...>* arguments_dummy, eina::index_sequence<I...>)
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{
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Efl_Future_Event_Success* info = static_cast<Efl_Future_Event_Success*>(event->info);
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try
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{
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typedef std::tuple<Args...> arguments;
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typedef std::tuple<typename std::aligned_storage<sizeof(Args), alignof(Args)>::type...>
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storage_tuple_type;
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storage_tuple_type storage_tuple;
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future_invoke_impl_read_accessor<0ul>
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(static_cast<Eina_Accessor*>(info->value)
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, storage_tuple
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, arguments_dummy, std::false_type{});
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auto r = f(*static_cast<typename std::tuple_element<I, arguments>::type*>
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(static_cast<void*>(&std::get<I>(storage_tuple)))...);
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typedef decltype(r) result_type;
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typedef typename eina::alloc_to_c_traits<result_type>::c_type c_type;
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c_type* c_value = eina::alloc_to_c_traits<result_type>::copy_alloc(r);
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efl_promise_value_set(info->next, c_value, & eina::alloc_to_c_traits<result_type>::free_alloc);
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}
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catch(...)
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{
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}
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}
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2016-08-07 12:52:48 -07:00
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template <typename A0, typename A1, typename...OtherArgs, typename F>
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void
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future_invoke(F f, Efl_Event const* event)
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{
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std::tuple<A0, A1, OtherArgs...>* p = nullptr;
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_impl::future_invoke_impl(f, event, p, eina::make_index_sequence<sizeof...(OtherArgs) + 2>{});
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2016-08-07 12:52:48 -07:00
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}
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}
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template <typename T>
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struct progress;
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namespace _impl {
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template <typename V = char>
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struct wait_state
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{
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bool available = false;
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bool has_failed = false;
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std::mutex mutex;
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std::condition_variable cv;
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typename std::aligned_storage<sizeof(V), alignof(V)>::type storage;
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Eina_Error error;
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};
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static void get_error_cb(void* data, Efl_Event const* event)
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{
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struct wait_state<>* wait_state = static_cast<struct wait_state<>*>(data);
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Efl_Future_Event_Failure* info = static_cast<Efl_Future_Event_Failure*>(event->info);
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std::unique_lock<std::mutex> l(wait_state->mutex);
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wait_state->error = info->error;
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wait_state->has_failed = true;
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wait_state->available = true;
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wait_state->cv.notify_one();
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}
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struct shared_future_common
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{
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explicit shared_future_common(Efl_Future* future)
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: _future(future) {}
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shared_future_common()
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: _future(nullptr) {}
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~shared_future_common()
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{
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if(_future)
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efl_unref(_future);
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}
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shared_future_common(shared_future_common const& future)
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: _future(efl_ref(future._future))
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{
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}
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shared_future_common& operator=(shared_future_common const& other)
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{
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_self_type tmp(other);
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tmp.swap(*this);
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return *this;
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}
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shared_future_common(shared_future_common&& future)
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: _future(future._future)
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{
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future._future = nullptr;
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}
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shared_future_common& operator=(shared_future_common&& other)
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{
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other.swap(*this);
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return *this;
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}
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void swap(shared_future_common& other)
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{
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std::swap(_future, other._future);
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}
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bool valid() const noexcept
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{
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return _future != nullptr;
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}
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void wait() const
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{
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if(eina_main_loop_is())
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throw std::runtime_error("Deadlock");
|
|
|
|
|
|
|
|
struct wait_state<> wait_state;
|
|
|
|
|
|
|
|
efl::ecore::main_loop_thread_safe_call_async
|
|
|
|
([&]
|
|
|
|
{
|
|
|
|
efl_future_then(this->_future, &wait_success, &wait_success, nullptr, &wait_state);
|
|
|
|
});
|
|
|
|
|
|
|
|
std::unique_lock<std::mutex> lock(wait_state.mutex);
|
|
|
|
while(!wait_state.available)
|
|
|
|
wait_state.cv.wait(lock);
|
|
|
|
}
|
|
|
|
static void wait_success(void* data, Efl_Event const*)
|
|
|
|
{
|
|
|
|
struct wait_state<>* wait_state = static_cast<struct wait_state<>*>(data);
|
|
|
|
std::unique_lock<std::mutex> l(wait_state->mutex);
|
|
|
|
wait_state->available = true;
|
|
|
|
wait_state->cv.notify_one();
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef Efl_Future* native_handle_type;
|
2016-08-15 10:47:16 -07:00
|
|
|
native_handle_type native_handle() const noexcept { return _future; }
|
2016-08-07 12:52:48 -07:00
|
|
|
|
|
|
|
typedef shared_future_common _self_type;
|
|
|
|
Efl_Future* _future;
|
|
|
|
};
|
|
|
|
|
|
|
|
template <typename T>
|
|
|
|
struct shared_future_1_type : private shared_future_common
|
|
|
|
{
|
|
|
|
typedef shared_future_common _base_type;
|
|
|
|
|
|
|
|
using _base_type::_base_type;
|
|
|
|
using _base_type::swap;
|
|
|
|
using _base_type::valid;
|
|
|
|
using _base_type::native_handle;
|
|
|
|
using _base_type::wait;
|
|
|
|
typedef _base_type::native_handle_type native_handle_type;
|
|
|
|
|
|
|
|
T get() const
|
|
|
|
{
|
|
|
|
if(eina_main_loop_is())
|
|
|
|
throw std::runtime_error("Deadlock");
|
|
|
|
|
|
|
|
struct wait_state<T> wait_state;
|
|
|
|
|
|
|
|
efl::ecore::main_loop_thread_safe_call_async
|
|
|
|
([&]
|
|
|
|
{
|
|
|
|
efl_future_then(this->_future, &get_success, &_impl::get_error_cb, nullptr, &wait_state);
|
|
|
|
});
|
|
|
|
|
|
|
|
{
|
|
|
|
std::unique_lock<std::mutex> lock(wait_state.mutex);
|
|
|
|
while(!wait_state.available)
|
|
|
|
wait_state.cv.wait(lock);
|
|
|
|
}
|
|
|
|
if(wait_state.has_failed)
|
|
|
|
EFL_CXX_THROW(eina::system_error(eina::error_code(wait_state.error, eina::eina_error_category()), "EFL Eina Error"));
|
|
|
|
return *static_cast<T*>(static_cast<void*>(&wait_state.storage));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void get_success(void* data, Efl_Event const* event)
|
|
|
|
{
|
|
|
|
struct wait_state<T>* wait_state = static_cast<struct wait_state<T>*>(data);
|
|
|
|
Efl_Future_Event_Success* info = static_cast<Efl_Future_Event_Success*>(event->info);
|
|
|
|
|
|
|
|
std::unique_lock<std::mutex> l(wait_state->mutex);
|
2016-08-16 19:26:52 -07:00
|
|
|
_impl::future_copy_traits<T>::copy(static_cast<T*>(static_cast<void*>(&wait_state->storage)), info);
|
2016-08-07 12:52:48 -07:00
|
|
|
wait_state->available = true;
|
|
|
|
wait_state->cv.notify_one();
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef shared_future_1_type<T> _self_type;
|
|
|
|
};
|
|
|
|
|
|
|
|
template <typename...Args>
|
|
|
|
struct shared_future_varargs_type : private shared_future_common
|
|
|
|
{
|
|
|
|
typedef shared_future_common _base_type;
|
|
|
|
|
|
|
|
using _base_type::_base_type;
|
|
|
|
using _base_type::swap;
|
|
|
|
using _base_type::valid;
|
|
|
|
using _base_type::native_handle;
|
|
|
|
using _base_type::wait;
|
|
|
|
typedef _base_type::native_handle_type native_handle_type;
|
|
|
|
|
|
|
|
typedef std::tuple<Args...> tuple_type;
|
|
|
|
|
|
|
|
std::tuple<Args...> get() const
|
|
|
|
{
|
|
|
|
if(eina_main_loop_is())
|
|
|
|
throw std::runtime_error("Deadlock");
|
|
|
|
|
|
|
|
struct wait_state<tuple_type> wait_state;
|
|
|
|
|
|
|
|
efl::ecore::main_loop_thread_safe_call_async
|
|
|
|
([&]
|
|
|
|
{
|
|
|
|
efl_future_then(this->_future, &get_success, &_impl::get_error_cb, nullptr, &wait_state);
|
|
|
|
});
|
|
|
|
|
|
|
|
{
|
|
|
|
std::unique_lock<std::mutex> lock(wait_state.mutex);
|
|
|
|
while(!wait_state.available)
|
|
|
|
wait_state.cv.wait(lock);
|
|
|
|
}
|
|
|
|
if(wait_state.has_failed)
|
|
|
|
EFL_CXX_THROW(eina::system_error(eina::error_code(wait_state.error, eina::eina_error_category()), "EFL Eina Error"));
|
|
|
|
return *static_cast<tuple_type*>(static_cast<void*>(&wait_state.storage));
|
|
|
|
}
|
|
|
|
|
|
|
|
template <std::size_t N>
|
|
|
|
static void read_accessor(Eina_Accessor* accessor
|
|
|
|
, std::tuple<typename std::aligned_storage<sizeof(Args), alignof(Args)>::type...>& storage_tuple
|
|
|
|
, wait_state<tuple_type>* wait_state
|
|
|
|
, std::false_type)
|
|
|
|
{
|
|
|
|
typedef typename std::tuple_element<N, tuple_type>::type type;
|
|
|
|
void* value;
|
|
|
|
if(eina_accessor_data_get(accessor, N, &value))
|
|
|
|
{
|
|
|
|
eina::copy_from_c_traits<type>::copy_to_unitialized
|
|
|
|
(static_cast<type*>(static_cast<void*>(&std::get<N>(storage_tuple))), value);
|
|
|
|
|
|
|
|
_self_type::read_accessor<N+1>(accessor, storage_tuple, wait_state
|
|
|
|
, std::integral_constant<bool, (N+1 == sizeof...(Args))>());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
std::abort();
|
|
|
|
// some error
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
template <std::size_t N, std::size_t...I>
|
|
|
|
static void read_accessor_end(std::tuple<typename std::aligned_storage<sizeof(Args), alignof(Args)>::type...>& storage_tuple
|
|
|
|
, wait_state<tuple_type>* wait_state
|
|
|
|
, eina::index_sequence<I...>)
|
|
|
|
{
|
|
|
|
std::unique_lock<std::mutex> l(wait_state->mutex);
|
|
|
|
|
|
|
|
new (&wait_state->storage) tuple_type{(*static_cast<typename std::tuple_element<I, tuple_type>::type*>
|
|
|
|
(static_cast<void*>(&std::get<I>(storage_tuple))))...};
|
|
|
|
|
|
|
|
wait_state->available = true;
|
|
|
|
wait_state->cv.notify_one();
|
|
|
|
}
|
|
|
|
|
|
|
|
template <std::size_t N>
|
|
|
|
static void read_accessor(Eina_Accessor*
|
|
|
|
, std::tuple<typename std::aligned_storage<sizeof(Args), alignof(Args)>::type...>& storage_tuple
|
|
|
|
, wait_state<tuple_type>* wait_state
|
|
|
|
, std::true_type)
|
|
|
|
{
|
|
|
|
_self_type::read_accessor_end<N>(storage_tuple, wait_state, eina::make_index_sequence<sizeof...(Args)>{});
|
|
|
|
}
|
|
|
|
|
|
|
|
static void get_success(void* data, Efl_Event const* event)
|
|
|
|
{
|
|
|
|
struct wait_state<tuple_type>* wait_state = static_cast<struct wait_state<tuple_type>*>(data);
|
|
|
|
Efl_Future_Event_Success* info = static_cast<Efl_Future_Event_Success*>(event->info);
|
|
|
|
|
|
|
|
Eina_Accessor* accessor = static_cast<Eina_Accessor*>(info->value);
|
|
|
|
std::tuple<typename std::aligned_storage<sizeof(Args), alignof(Args)>::type...> storage_tuple;
|
|
|
|
|
|
|
|
_self_type::read_accessor<0u>(accessor, storage_tuple, wait_state, std::false_type());
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef shared_future_varargs_type<Args...> _self_type;
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename...Args>
|
|
|
|
struct shared_future : private std::conditional<sizeof...(Args) == 1, _impl::shared_future_1_type<typename std::tuple_element<0u, std::tuple<Args...>>::type>, _impl::shared_future_varargs_type<Args...>>::type
|
|
|
|
{
|
|
|
|
typedef typename std::conditional<sizeof...(Args) == 1, _impl::shared_future_1_type<typename std::tuple_element<0u, std::tuple<Args...>>::type>, _impl::shared_future_varargs_type<Args...>>::type _base_type;
|
|
|
|
|
|
|
|
using _base_type::_base_type;
|
|
|
|
using _base_type::swap;
|
|
|
|
using _base_type::valid;
|
|
|
|
using _base_type::get;
|
|
|
|
using _base_type::wait;
|
|
|
|
using _base_type::native_handle;
|
|
|
|
typedef typename _base_type::native_handle_type native_handle_type;
|
|
|
|
};
|
|
|
|
|
|
|
|
template <typename...Args, typename Success, typename Error>
|
|
|
|
shared_future
|
|
|
|
<
|
|
|
|
typename std::enable_if
|
|
|
|
<
|
|
|
|
!std::is_same<void, typename std::tuple_element<0, std::tuple<Args...>>::type>::value
|
|
|
|
&& !std::is_same<void, typename std::result_of<Success(Args...)>::type>::value
|
|
|
|
, typename std::result_of<Success(Args...)>::type
|
|
|
|
>::type
|
|
|
|
> then(shared_future<Args...> future, Success success_cb, Error error_cb)
|
|
|
|
{
|
|
|
|
struct private_data
|
|
|
|
{
|
|
|
|
Success success_cb;
|
|
|
|
Error error_cb;
|
|
|
|
shared_future<Args...> future;
|
|
|
|
};
|
|
|
|
private_data* pdata = new private_data
|
|
|
|
{std::move(success_cb), std::move(error_cb), std::move(future)};
|
|
|
|
|
|
|
|
Efl_Event_Cb raw_success_cb =
|
|
|
|
[] (void* data, Efl_Event const* event)
|
|
|
|
{
|
|
|
|
private_data* pdata = static_cast<private_data*>(data);
|
|
|
|
try
|
|
|
|
{
|
|
|
|
_impl::future_invoke<Args...>(pdata->success_cb, event);
|
|
|
|
// should value_set the next promise
|
|
|
|
}
|
|
|
|
catch(...)
|
|
|
|
{
|
|
|
|
// should fail the next promise
|
|
|
|
}
|
|
|
|
delete pdata;
|
|
|
|
};
|
|
|
|
Efl_Event_Cb raw_error_cb =
|
|
|
|
[] (void* data, Efl_Event const* event)
|
|
|
|
{
|
|
|
|
private_data* pdata = static_cast<private_data*>(data);
|
|
|
|
Efl_Future_Event_Failure* info = static_cast<Efl_Future_Event_Failure*>(event->info);
|
|
|
|
pdata->error_cb(eina::error_code(info->error, eina::eina_error_category()));
|
|
|
|
// should error the next promise (or should the promise do that for me automatically?)
|
|
|
|
delete pdata;
|
|
|
|
};
|
|
|
|
|
|
|
|
assert(pdata->future.valid());
|
|
|
|
Efl_Future* new_future
|
|
|
|
= efl_future_then(pdata->future.native_handle(), raw_success_cb, raw_error_cb, nullptr, pdata);
|
|
|
|
return shared_future<typename std::result_of<Success(Args...)>::type>{efl_ref(new_future)};
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename...Args, typename F>
|
|
|
|
void then(shared_future<Args...> future, F function)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2016-08-15 10:47:16 -07:00
|
|
|
template <typename...Args1, typename...Args2, typename...Futures>
|
|
|
|
typename _impl::all_result_type<shared_future<Args1...>, shared_future<Args2...>, Futures...>::type
|
|
|
|
all(shared_future<Args1...> future1, shared_future<Args2...> future2, Futures...futures)
|
|
|
|
{
|
|
|
|
return _impl::all_impl(future1, future2, futures...);
|
|
|
|
}
|
|
|
|
|
|
|
|
template <typename...Args1, typename...Args2, typename...Futures>
|
|
|
|
typename _impl::race_result_type<shared_future<Args1...>, shared_future<Args2...>, Futures...>::type
|
|
|
|
race(shared_future<Args1...> future1, shared_future<Args2...> future2, Futures...futures)
|
|
|
|
{
|
|
|
|
return _impl::race_impl(future1, future2, futures...);
|
|
|
|
}
|
|
|
|
|
2016-08-07 12:52:48 -07:00
|
|
|
template <typename...Args>
|
|
|
|
struct promise
|
|
|
|
{
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|