zengine/engine/modules/engine/zlib/include/refl/detail/field.h
2024-07-27 14:24:46 +08:00

54 lines
1.6 KiB
C++

#pragma once
#include "pmr/name.h"
#include "any.h"
#include <span>
namespace refl {
using pmr::Name;
using pmr::CName;
using pmr::FName;
using pmr::string_hash;
using std::span;
using Offset = uint32_t;
using Method = void*;
struct MemberData {
Offset offset{ 0 };
Any value;
Any meta;
constexpr MemberData() :value(), meta() {}
constexpr MemberData(const Any& value, const Any& meta = {}) : value(value), meta(meta) {}
constexpr MemberData(Offset offset, const Any& value, const Any& meta) : offset(offset), value(value), meta(meta) {}
};
struct MethodData {
Method fptr{ nullptr };
span<Any> value;
Any meta;
constexpr MethodData() :value(), meta() {}
constexpr MethodData(span<Any> value, const Any& meta = {}) : value(value), meta(meta) {}
constexpr MethodData(Method fptr, span<Any> value, const Any& meta) : fptr(fptr), value(value), meta(meta) {}
};
enum FieldFlag :uint32_t {
FIELD_NONE_FLAG = 0,
FIELD_MEMBER_FLAG = 1 << 0,
FIELD_METHOD_FLAG = 1 << 1,
FIELD_CTOR_FLAG = 1 << 2,
FIELD_VALUE_FLAG = 1 << 3,
};
using enum FieldFlag;
struct FieldPtr {
union Data
{
MemberData member;
MethodData method;
constexpr Data() : member() {};
constexpr Data(const MemberData& member) :member(member) {}
constexpr Data(const MethodData& method) : method(method) {}
constexpr Data(Offset offset) : member(offset, {}, {}) {}
constexpr Data(Offset offset, const Any& value, const Any& meta) : member(offset, value, meta) {}
constexpr Data(Method fptr, span<Any> value, const Any& meta) : method(fptr, value, meta) {}
};
Name name;
const UClass* type{};
Data data{};
uint32_t flag{};
};
}