zengine-old/engine/3rdparty/zlib/include/refl/refl.h

#include "detail/uclass.inl"
#include "detail/view.inl"
namespace refl {
	/* 成员变量需要定义默认值吗？那为什么不在initObjec里初始化?*/
	template<typename T, typename Obj>
	static FieldPtr MakeMemberField(T Obj::* ptr, Name name) {
		FieldPtr::Default value;
		Offset offset = reinterpret_cast<std::size_t>(&(reinterpret_cast<const Obj*>(0)->*ptr));
		FieldPtr::Data member = { offset };
		constexpr uint32_t flag = FIELD_MEMBER_FLAG | FIELD_ATTRIBUTE_FLAG;
		return { name, &TypeInfo<T>::StaticClass, member, value, flag };
	}
	template<typename R, typename ...Args>
	static FieldPtr MakeMethodField(R(*ptr)(Args...), Name name, const std::vector<ArgsValue>& args = {}) {
		uint32_t flag = FIELD_METHOD_FLAG;
		FieldPtr::Default value;
		if (args.size() > 0) {
			flag |= FIELD_METHOD_VALUE_FLAG;
			static const ArgsValueList argsValue(args);
			value.method = []() ->std::pair<ArgsView*, int> {
				return { argsValue.ptr , argsValue.num };
			};
		}
		FieldPtr::Data method = { *(Method*)&ptr };
		return { name, &TypeInfo<R(*)(typename RealTypeImpl<Args>::type...)>::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 = {}) {
		uint32_t flag = FIELD_MEMBER_FLAG | FIELD_METHOD_FLAG;
		FieldPtr::Default value;
		if (args.size() > 0) {
			flag |= FIELD_METHOD_VALUE_FLAG;
			static const ArgsValueList argsValue(args);
			value.method = []() ->std::pair<ArgsView*, int> {
				return { argsValue.ptr , argsValue.num };
			};
		}
		FieldPtr::Data method = { *(Method*)&ptr };
		return { name, &TypeInfo<R(*)(const void*, typename RealTypeImpl<Args>::type...)>::StaticClass, method, value,flag };
	}
}