支持generator，完成相关范例

librf/src/def.h

@@ -67,7 +67,7 @@ namespace resumef
 
 	template<typename _PromiseT = void>
 	using coroutine_handle = std::experimental::coroutine_handle<_PromiseT>;
-	template <typename _Ty, typename _Alloc = std::allocator<char>>
+	template <typename _Ty = std::nullptr_t, typename _Alloc = std::allocator<char>>
 	using generator_t = std::experimental::generator<_Ty, _Alloc>;
 
 	enum struct error_code

librf/src/generator.h

@@ -166,13 +166,13 @@ namespace experimental {
 
 			void *operator new(size_t _Size)
 			{
-				_Alloc_of_char_type _Al;
+				_Alloc_char _Al;
 				return _Al.allocate(_Size);
 			}
 
 			void operator delete(void *_Ptr, size_t _Size)
 			{
-				_Alloc_of_char_type _Al;
+				_Alloc_char _Al;
 				return _Al.deallocate(static_cast<char *>(_Ptr), _Size);
 			}
 		};
@@ -228,6 +228,13 @@ namespace experimental {
 			}
 		}
 
+		coroutine_handle<promise_type> detach()
+		{
+			auto t = _Coro;
+			_Coro = nullptr;
+			return t;
+		}
+
 	private:
 		coroutine_handle<promise_type> _Coro = nullptr;
 	};

librf/src/rf_task.h

@@ -13,8 +13,13 @@ namespace resumef
 		RF_API task_base_t();
 		RF_API virtual ~task_base_t();
 
-		virtual state_base_t * get_state() const = 0;
+		state_base_t* get_state() const
-
+		{
+			return _state.get();
+		}
+	protected:
+		counted_ptr<state_base_t> _state;
+	public:
 		task_base_t* _next_node;
 		task_base_t* _prev_node;
 	};
@@ -31,17 +36,34 @@ namespace resumef
 		using future_type = future_t<value_type>;
 		using state_type = state_t<value_type>;
 
-		counted_ptr<state_type> _state;
+		task_t() = default;
+		task_t(future_type && f)
+		{
+			initialize(std::forward<future_type>(f));
+		}
+	protected:
+		void initialize(future_type&& f)
+		{
+			_state = f._state.get();
+		}
+	};
+
+	template<class _Ty>
+	struct task_t<generator_t<_Ty>> : public task_base_t
+	{
+		using value_type = _Ty;
+		using future_type = generator_t<value_type>;
+		using state_type = state_generator_t;
 
 		task_t() = default;
 		task_t(future_type&& f)
-			: _state(std::move(f._state))
 		{
+			initialize(std::forward<future_type>(f));
 		}
-
+	protected:
-		virtual state_base_t * get_state() const
+		void initialize(future_type&& f)
 		{
-			return _state.get();
+			_state = new state_type(f.detach());
 		}
 	};
 
@@ -51,25 +73,16 @@ namespace resumef
 	//这个'函数对象'被调用后，返回generator<_Ty>/future_t<_Ty>类型
 	//然后'函数对象'作为异步执行的上下文状态保存起来
 	template<class _Ctx>
-	struct ctx_task_t : public task_base_t
+	struct ctx_task_t : public task_t<typename std::remove_cvref<decltype(std::declval<_Ctx>()())>::type>
 	{
 		using context_type = _Ctx;
-		using future_type = typename std::remove_cvref<decltype(std::declval<_Ctx>()())>::type;
-		using value_type = typename future_type::value_type;
-		using state_type = state_t<value_type>;
 
 		context_type	_context;
-		counted_ptr<state_type> _state;
 
 		ctx_task_t(context_type ctx)
 			: _context(std::move(ctx))
 		{
-			_state = _context()._state;
+			this->initialize(_context());
-		}
-
-		virtual state_base_t* get_state() const
-		{
-			return _state.get();
 		}
 	};
 }

librf/src/scheduler.h

@@ -40,13 +40,13 @@ namespace resumef
 		RF_API void run();
 		//RF_API void break_all();
 
-		template<class _Ty, typename = std::enable_if_t<std::is_callable_v<_Ty> || is_future_v<_Ty>>>
+		template<class _Ty, typename = std::enable_if_t<std::is_callable_v<_Ty> || is_future_v<_Ty> || is_generator_v<_Ty> >>
 		inline void operator + (_Ty && t_)
 		{
-			if constexpr(is_future_v<_Ty>)
+			if constexpr(std::is_callable_v<_Ty>)
-				new_task(new task_t<_Ty>(std::forward<_Ty>(t_)));
-			else
 				new_task(new ctx_task_t<_Ty>(std::forward<_Ty>(t_)));
+			else
+				new_task(new task_t<_Ty>(std::forward<_Ty>(t_)));
 		}
 
 		inline bool empty() const

librf/src/state.cpp

@@ -15,11 +15,16 @@ namespace resumef
 		{
 			_coro.resume();
 			if (_coro.done())
+			{
 				_coro = nullptr;
+				_scheduler->del_final(this);
+			}
 			else
+			{
 				_scheduler->add_generator(this);
 			}
 		}
+	}
 
 	bool state_generator_t::is_ready() const
 	{

librf/src/state.h

@@ -20,8 +20,8 @@ namespace resumef
 		coroutine_handle<> _coro;
 	public:
 		virtual void resume() = 0;
-		virtual bool is_ready() const = 0;
 		virtual bool has_handler() const = 0;
+		virtual bool is_ready() const = 0;
 
 		void set_scheduler(scheduler_t* sch)
 		{
@@ -35,9 +35,15 @@ namespace resumef
 	
 	struct state_generator_t : public state_base_t
 	{
+	public:
+		state_generator_t(coroutine_handle<> handler)
+		{
+			_coro = handler;
+		}
+
 		virtual void resume() override;
-		virtual bool is_ready() const override;
 		virtual bool has_handler() const override;
+		virtual bool is_ready() const override;
 	};
 
 	struct state_future_t : public state_base_t

tutorial/test_async_resumable.cpp

@@ -46,7 +46,7 @@ void resumable_switch(intptr_t coro, size_t idx)
 		{
 			for (intptr_t i = 0; i < N / coro; ++i)
 				co_yield i;
-			return N / coro;
+			co_return N / coro;
 		};
 	}
 	auto middle = std::chrono::steady_clock::now();

tutorial/test_async_yield_return.cpp

@@ -9,8 +9,7 @@
 
 using namespace resumef;
 
-//std::experimental::generator<int>
+auto test_yield_int() -> generator_t<int>
-auto test_yield_int() -> std::experimental::generator<int>
 {
 	std::cout << "1 will yield return" << std::endl;
 	co_yield 1;
@@ -43,7 +42,7 @@ auto test_yield_void()
 }
 */
 
-auto test_yield_void() -> std::experimental::generator<std::nullptr_t>
+auto test_yield_void() -> generator_t<>
 {
 	std::cout << "block 1 will yield return" << std::endl;
 	co_yield_void;

vs_proj/librf.cpp

@@ -30,11 +30,12 @@ int main(int argc, const char* argv[])
 {
 	//resumable_main_cb();
 	//resumable_main_suspend_always();
-	resumable_main_routine();
+	//resumable_main_yield_return();
+	resumable_main_resumable();
+	//resumable_main_routine();
 	//resumable_main_exception();
 
 /*
-	resumable_main_resumable();
 	resumable_main_benchmark_mem();
 	if (argc > 1)
 		resumable_main_benchmark_asio_client(atoi(argv[1]));
@@ -43,10 +44,8 @@ int main(int argc, const char* argv[])
 
 	resumable_main_when_all();
 	resumable_main_multi_thread();
-	resumable_main_yield_return();
 	resumable_main_timer();
 	resumable_main_sleep();
-	resumable_main_resumable();
 	resumable_main_mutex();
 	resumable_main_event();
 	resumable_main_event_timeout();

vs_proj/librf.vcxproj

@@ -243,10 +243,7 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="..\tutorial\test_async_resumable.cpp">
+    <ClCompile Include="..\tutorial\test_async_resumable.cpp" />
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="..\tutorial\test_async_routine.cpp" />
     <ClCompile Include="..\tutorial\test_async_sleep.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>