65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
#pragma once
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#include "field.h"
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namespace refl {
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template<typename T, typename R, typename ...Args>
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consteval auto fetch_method_t(R(T::*)(Args...)) {
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using MethodType = R(*)(const void*, Args...);
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return MethodType{ nullptr };
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}
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template<typename R, typename ...Args>
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consteval auto fetch_method_t(R(*)(Args...)) {
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using MethodType = R(*)(Args...);
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return MethodType{ nullptr };
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}
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template<typename Tuple, int Index>
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consteval int fetch_tuple_elm_size(int first = 0) {
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using T = std::tuple_element<Index, Tuple>::type;
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if constexpr (std::is_same_v<T, void>) {
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return 0;
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}
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else {
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return Index >= first ? sizeof(T) : 0;
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}
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}
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template<typename Tuple, std::size_t... Is>
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consteval int fetch_tuple_size(std::index_sequence<Is...>, int first = 0) {
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int size = 0;
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(..., (size += fetch_tuple_elm_size<Tuple, Is>(first)));
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return size;
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}
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template<typename T>
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consteval int fetch_meta_size() {
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auto fields = T::__MakeStaticFields();
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int size = 0;
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for (auto& field : fields) {
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size += field.data.member.offset;
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}
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if (size == 0) {
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size = 1;
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}
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return size;
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}
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enum MetaFlag :uint32_t {
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META_NONE_FLAG = 0,
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META_SERIZLE_FLAG = 1 << 0,
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META_UI_FLAG = 1 << 0,
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};
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class UClass;
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class MetaHelp {
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public:
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template<typename T, typename... Args>
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static FieldPtr CtorField(T(*ptr)(Args...), char*& memory, const MethodData& data = {});
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template<typename T, typename Obj>
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static FieldPtr MemberField(T Obj::* ptr, const Name& name, char*& memory, const MemberData& data = {});
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template<typename R, typename ...Args>
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static FieldPtr MethodField(R(*ptr)(Args...), const Name& name,char*& memory, const MethodData& data = {});
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template<typename T,typename R, typename ...Args>
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static FieldPtr MethodField(R(T::*ptr)(Args...), const Name& name,char*& memory, const MethodData& data = {});
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template<typename T, typename R, typename ...Args>
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static FieldPtr MethodField(R(T::* ptr)(Args...)const, const Name& name, char*& memory, const MethodData& data = {});
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};
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} |