add Coroutine.h

include/hx/Coroutine.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <hxcpp.h>
+
+namespace hx
+{
+	struct Coroutine
+	{
+		static Dynamic suspend(Dynamic f, Dynamic cont)
+		{
+			struct SuspendCaller final : public hx::Object
+			{
+				Dynamic f;
+				Dynamic cont;
+
+				SuspendCaller(Dynamic inF, Dynamic inCont) : f(inF), cont(inCont)
+				{
+					HX_OBJ_WB_NEW_MARKED_OBJECT(this);
+				}
+
+				Dynamic HX_LOCAL_RUN()
+				{
+					return f(cont);
+				}
+
+				Dynamic __run(const Dynamic&, const Dynamic&) override
+				{
+					return HX_LOCAL_RUN();
+				}
+
+				Dynamic __Run(const Array<Dynamic>& args) override
+				{
+					return HX_LOCAL_RUN();
+				}
+
+				void __Mark(hx::MarkContext* __inCtx) override
+				{
+					HX_MARK_MEMBER(__inCtx);
+				}
+
+#ifdef HXCPP_VISIT_ALLOCS
+				void __Visit(hx::VisitContext* __inCtx) override
+				{
+					HX_VISIT_MEMBER(__inCtx);
+				}
+#endif
+			};
+
+			return new SuspendCaller(f, cont);
+		}
+	};
+}

include/hxcpp.h

@@ -383,6 +383,7 @@ typedef bool PropertyAccess;
 #else
 #include <cpp/Int64.h>
 #endif
+#include <hx/Coroutine.h>
 
 #endif