support refl invoke return

engine/3rdparty/zlib/include/refl/detail/type.h

@@ -12,13 +12,32 @@ namespace refl {
 	struct TypeInfoImpl;
 
 	template<typename T>
-	struct RealTypeImpl {
+	struct real_type {
 		using type = std::remove_cv_t<std::remove_reference_t<T>>;
 	};
 	template<typename T>
-	struct RealTypeImpl<T&> {
+	struct real_type<T&> {
 		using type = std::remove_cv_t<T>*;
 	};
 	template<typename T>
-	using TypeInfo = TypeInfoImpl<typename RealTypeImpl<T>::type>;
+	using real_type_t = real_type<T>::type;
+
+	//转化为指针类型
+	template<typename T>
+	struct args_type {
+		using type = T;
+	};
+	template<typename T>
+	struct args_type<T&> {
+		using type = T;
+	};
+	template<typename T>
+	struct args_type<T*> {
+		using type = T;
+	};
+	template<typename T>
+	using args_type_t = args_type<std::remove_cv_t<T>>::type;
+
+	template<typename T>
+	using TypeInfo = TypeInfoImpl<real_type_t<T>>;
 }

engine/3rdparty/zlib/include/refl/detail/uclass.inl

@@ -21,6 +21,7 @@ namespace refl {
 	* 模板优化
 	* 成员参数转化为const void*
 	* 引用参数转化为指针
+	* 返回引用转化为指针
 	*/
 	template<typename R, typename... Args>
 	class UMethod_Auto : public UClass {
@@ -44,7 +45,7 @@ namespace refl {
 				MethodType fptr = (MethodType)field.data.method;
 				auto param = ArgsList.rbegin();
 				auto ret = ArgsList.begin();
-				if (ret->cls == &TypeInfo<R>::StaticClass) {
+				if (ret->cls == &TypeInfo<R*>::StaticClass) {
 					*(R*)ret->val = fptr(param++->cast_to<Args>()...);
 				}
 				else {
@@ -55,11 +56,11 @@ namespace refl {
 	protected:
 		constexpr void BuildUList() {
 			if constexpr (!std::is_same_v<R, void>) {
-				UList[0] = &TypeInfo<R>::StaticClass;
+				UList[0] = &TypeInfo<R*>::StaticClass;
 			}
 			if constexpr (sizeof...(Args) > 0) {
 				auto ptr = &UList[1];
-				(..., (*ptr = &TypeInfo<typename std::remove_pointer_t<Args>*>::StaticClass, ptr++));
+				(..., (*ptr = &TypeInfo<std::remove_pointer_t<Args>*>::StaticClass, ptr++));
 			}
 		}
 	public:

engine/3rdparty/zlib/include/refl/detail/view.h

@@ -21,13 +21,13 @@ namespace refl {
 		template<typename ...Args>
 		bool Invoke(const Name& name, Args&&... args);
 
-		template<_ReflCheck_Ctor R, typename ...Args>
+		template<typename R, typename ...Args>
 		R Invoke(const Name& name, Args&&... args);
 
 		ObjectView Parent();
 	};
 	//生命周期短，适用于传参，不建议保存数据
-	//这里类型丢失了呀，存入的都是指针数据
+	//只能指向指针，引用=>指针，指针=>指针，T => T*,T的类型丢失
 	struct ArgsView {
 	public:
 		const void* val;
@@ -36,13 +36,13 @@ namespace refl {
 		//右值=>右值压入栈，caller入栈地址
 		//左值=>caller变量地址
 		template<typename T>
-		ArgsView(T&& v): val(&v), cls(&TypeInfo<typename std::remove_reference_t<T>*>::StaticClass){
-			if constexpr (std::is_same_v<std::remove_reference_t<T>, ArgsView>) {
+		ArgsView(T&& v): val(&v), cls(&TypeInfo<args_type_t<T>*>::StaticClass){
+			if constexpr (std::is_same_v<args_type_t<T>, ArgsView>) {
 				val = v.val;
 				cls = v.cls;
 			}
 		}
-		template<typename T>
+		template<typename T>//参数 T* => T*
 		constexpr inline T cast_to() {
 			if constexpr (std::is_pointer_v<T>) {
 				return (T)val;
@@ -54,13 +54,26 @@ namespace refl {
 				return *(T*)val;
 			}
 		}
+		template<typename T>
+		T cast_ret() {
+			if constexpr (std::is_pointer_v<T>) {
+				return *(T*)val;
+			}
+			else if constexpr (std::is_reference_v<T>) {
+				using RT = std::remove_reference_t<T>;
+				return **(RT**)val;
+			}
+			else {
+				return *(T*)val;
+			}
+		}
 		bool ConvertTo(const UClass* toClass);
 	};
 	//存入的是真实的数据类型,type用于拷贝数据
 	struct ArgsValue : public ArgsView {
 		const UClass* type;
 		template<typename T>
-		ArgsValue(T&& t) : ArgsView(t), type(&TypeInfo<T>::StaticClass){}
+		ArgsValue(T&& t) : ArgsView(t), type(&TypeInfo<args_type_t<T>>::StaticClass){}
 	};
 	struct ArgsValueList{
 		void* data{ nullptr };

engine/3rdparty/zlib/include/refl/detail/view.inl

@@ -89,38 +89,54 @@ namespace refl {
 		field->type->Call(*field, ArgsList);
 		return true;
 	}
-	template<_ReflCheck_Ctor R, typename ...Args>
+	template<typename R, typename ...Args>
 	R ObjectView::Invoke(const Name& name, Args&&... args)
 	{
+		//int x = 1;  val = &x; *(int*)val = 2;//(x = 2) return *val; //val=>cast_to<int>
+		//int* x = nullptr; val = &x; *(int**)val = 0xff1234;//(x = 0xff1234) return *val;
+		real_type_t<R> data{};
+		ArgsView ret{ &data, &TypeInfo<real_type_t<R>*>::StaticClass };
 		auto field = cls->GetField(name, true);
 		if (!field) {
 			if (cls->parent) {
 				return Parent().Invoke<R>(name, args...);
 			}
-			return {};
+			return ret.cast_ret<R>();
 		}
-		R ret{};
 		constexpr int inputSize = sizeof...(Args);
 		auto params = field->type->GetParams();
 		int paramsSize = params.size();
-		bool member = field->flag & FIELD_MEMBER_FLAG;
-		if (inputSize + member >= paramsSize) {
-			return false;
-		}
 		std::vector<ArgsView> ArgsList;
 		ArgsList.reserve(paramsSize);
 		ArgsList.emplace_back(ret);
-		if (member) {
+
+		if (field->flag & FIELD_MEMBER_FLAG) {
 			ArgsList.emplace_back(ptr, &TypeInfo<const void*>::StaticClass);
 		}
 		(..., (ArgsList.emplace_back(args)));
+
+		int argsSize = ArgsList.size();
+		if (argsSize < paramsSize && field->flag & FIELD_METHOD_VALUE_FLAG) {
+			auto [argsPtr, valueSize] = field->value.method();
+			if (argsSize + valueSize >= paramsSize) {
+				for (int i = valueSize + argsSize - paramsSize; i < valueSize; i++) {
+					ArgsList.push_back(*(argsPtr + i));
+				}
+				argsSize = paramsSize;
+			}
+		}
+
+		if (argsSize < paramsSize) {
+			return ret.cast_ret<R>();
+		}
+
 		for (int i = 0; i < paramsSize; i++) {
 			if (ArgsList[i].cls != params[i] && !ArgsList[i].ConvertTo(params[i])) {
-				return ret;
+				return ret.cast_ret<R>();
 			}
 		}
 		field->type->Call(*field, ArgsList);
-		return ret;
+		return ret.cast_ret<R>();
 	}
 	ObjectView ObjectView::Parent() {
 		return { ptr, cls ? cls->parent : nullptr };

engine/3rdparty/zlib/include/refl/refl.h

@@ -22,7 +22,7 @@ namespace refl {
 			};
 		}
 		FieldPtr::Data method = { *(Method*)&ptr };
-		return { name, &TypeInfo<R(*)(typename RealTypeImpl<Args>::type...)>::StaticClass, method, value, flag };
+		return { name, &TypeInfo<real_type_t<R>(*)(real_type_t<Args>...)>::StaticClass, method, value, flag };
 	}
 	template<typename T, typename R, typename ...Args>
 	static FieldPtr MakeMethodField(R(T::* ptr)(Args...), Name name, const std::vector<ArgsValue>& args = {}) {
@@ -36,6 +36,6 @@ namespace refl {
 			};
 		}
 		FieldPtr::Data method = { *(Method*)&ptr };
-		return { name, &TypeInfo<R(*)(const void*, typename RealTypeImpl<Args>::type...)>::StaticClass, method, value,flag };
+		return { name, &TypeInfo<real_type_t<R>(*)(const void*,real_type_t<Args>...)>::StaticClass, method, value,flag };
 	}
 }

engine/3rdparty/zlib/test/refl_01.cpp

@@ -21,9 +21,9 @@ struct vec3 : public vec3_parent {
 		x2 = x1 * x2;
 		cout << x2 << "vec3::norm" << endl;
 	}
-	virtual float norm1(int x1 = 10) {
+	virtual float norm1(float& x1) {
 		cout << x1 << "::norm1" << endl;
-		return x * y *z * x1;
+		return x1;
 	}
 	static void norm2(int x1 = 10) {
 		cout << x1 << "::norm2" << endl;
@@ -41,21 +41,56 @@ struct vec3 : public vec3_parent {
 			MakeMemberField(&vec3::y, "y"),
 			MakeMemberField(&vec3::z, "z"),
 			MakeMethodField(&vec3::norm, "norm", {8, 9}),
-			MakeMethodField(&vec3::norm1, "norm1",{2})
+			MakeMethodField(&vec3::norm1, "norm1",{(float)2.0})
 		};
 	}
 };
 int main() {
+	{
+		//T = > T*
+		int x = 1;
+		auto val = &x;
+		//T* = > T
+		//*val;
+		//x = 2;
+		*val = 2;
+	}
+	{
+		//T* = > T*
+		int x = 1, y = 2;
+		int* px = &x;
+		auto val = px;
+		//T* => T*
+		//val;
+		//px = &y;//做不到哈
+		val = &y;
+
+	}
+	{
+		//T* => T**
+		int x = 1, y = 2;
+		int* px = &x;
+		auto val = &px;
+		//T** = > T*;
+		//*val;
+		//px = &y;
+		*val = &y;
+	}
 	auto cls =  &TypeInfo<vec3>::StaticClass;
 	int x = 2, y = 3;
+	int* q1;
+	void* q2 = &q1;
+	*(int**)q2 = &x;
+	ArgsView a(&y);
+	ArgsView b(x);
+	ArgsView c(&q1);
 	auto ov = cls->New();
 	ov.Invoke("norm", x);
 	ov.Invoke("norm", x);
 	ov.Invoke("norm", x, y);
-	ov.Invoke("norm1", y);
+	auto f = ov.Invoke<float>("norm1");
 	vec3* v = (vec3*)ov.ptr;
-	v->norm1(y);
-	ov.Invoke("norm1", y);
+	ov.Invoke("norm1", (float)y);
 	delete v;
 	cout << "hello world\n";
 }