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update refl

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This commit is contained in:
ouczbs 2024-04-06 23:50:17 +08:00
parent 2c39b681a3
commit 326f9b10be
6 changed files with 180 additions and 96 deletions
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14
engine/3rdparty/zlib/include/refl/field.h vendored
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@ -6,16 +6,18 @@ using Ubpa::Name;
using Ubpa::type_name;
namespace refl {
class UClass;
using Method = void(*)(...);
using Offset = uint32_t;
enum FieldFlag:uint32_t {
FIELD_NONE_FLAG = 0,
FIELD_MEMBER_FLAG = 1 << 0,
FIELD_ATTRIBUTE_FLAG = 1 << 1,
FIELD_METHOD_FLAG = 1 << 2,
FIELD_NONE_FLAG = 0,
FIELD_MEMBER_FLAG = 1 << 0,
FIELD_ATTRIBUTE_FLAG = 1 << 1,
FIELD_METHOD_FLAG = 1 << 2,
};
struct FieldPtr {
using Data = std::variant<
uint32_t, // offset
void* // method
Offset, // offset
Method // method
>;
Name name;
const UClass* type;

25
engine/3rdparty/zlib/include/refl/object.h vendored
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@ -1,25 +0,0 @@
#include <string>
namespace refl {
class UClass;
class FieldPtr;
class ObjectView {
public:
const char* ptr;
const UClass* cls;
const FieldPtr* cache{nullptr};
ObjectView(void* ptr, const UClass* cls) : ptr((const char*)ptr), cls(cls){}
public:
template<typename T>
bool Get(const Name& name, T& t);
template<typename T>
bool Set(const Name& name, const T& t);
template<typename ...Args>
bool Invoke(const Name& name, Args... args);
template<typename R, typename ...Args>
bool InvokeRet(const Name& name,R& ret, Args... args);
};
}

17
engine/3rdparty/zlib/include/refl/type.h vendored
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@ -8,13 +8,24 @@ namespace refl {
template <class T>
concept _ReflCheck_Ctor_NoUClass = _ReflCheck_Ctor<T> && !_ReflCheck_UClass<T>;
//主模板只有声明，没有定义，从而使得非特化非法
//类型接口
template<typename T>
struct TypeInfo;
struct TypeInfoImpl;
template<_ReflCheck_UClass T>
struct TypeInfo<T> {
struct TypeInfoImpl<T> {
using UClass = typename T::UClass;
inline static UClass StaticClass = UClass::BuildClass();
};
template<typename T>
struct RealTypeImpl {
using type = std::remove_cv_t<std::remove_reference_t<T>>;
};
template<typename T>
struct RealTypeImpl<T&> {
using type = std::remove_cv_t<T>*;
};
template<typename T>
using TypeInfo = TypeInfoImpl<typename RealTypeImpl<T>::type>;
}

109
engine/3rdparty/zlib/include/refl/uclass.h vendored
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@ -1,8 +1,14 @@
#pragma once
#include "type.h"
#include "field.h"
#include "object.h"
#include "view.h"
namespace refl {
enum ClassFlag :uint32_t {
CLASS_NONE_FLAG = 0,
CLASS_MEMBER_FLAG = 1 << 0,
CLASS_ATTRIBUTE_FLAG = 1 << 1,
CLASS_METHOD_FLAG = 1 << 2,
};
class UClass{
using enum FieldFlag;
public:
@ -45,6 +51,7 @@ namespace refl {
}
return false;
}
public:
//unsafe if called by other, need check class && size
virtual void InitObject(void* ptr)const {
memset(ptr, 0, size);
@ -52,30 +59,46 @@ namespace refl {
virtual const FieldPtr* GetField(const Name& name)const {
return nullptr;
}
virtual std::vector<UClass*> GetParams() const {
return{};
}
virtual void Call(const FieldPtr& field, std::vector<ArgsView>& ArgsList)const{}
virtual bool ConvertToValue(ArgsView& args)const{
return false;
}
protected:
template<uint32_t offset, typename T,typename U>
FieldPtr MakeMemberField(T U::* ptr, Name name) {
template<typename T,Offset offset>
FieldPtr MakeMemberField(Name name) {
FieldPtr::Data member = { offset };
constexpr uint32_t flag = FIELD_MEMBER_FLAG | FIELD_ATTRIBUTE_FLAG;
return { name, &TypeInfo<T>::StaticClass, {member}, flag };
}
template<typename R, typename ...Args>
FieldPtr MakeMethodField(R (* ptr)(Args...), Name name) {
FieldPtr::Data member = { *(void**)&ptr };
FieldPtr::Data member = { *(Method*)&ptr};
constexpr uint32_t flag = FIELD_METHOD_FLAG;
return { name, &TypeInfo<decltype(ptr)>::StaticClass, {member},flag };
return { name, &TypeInfo<R(*)(Args...)>::StaticClass, {member},flag };
}
template<typename T, typename R, typename ...Args>
FieldPtr MakeMethodField(R(T::* ptr)(Args...), Name name) {
FieldPtr::Data member = { *(void**)&ptr };
FieldPtr::Data member = { *(Method*)&ptr };
constexpr uint32_t flag = FIELD_MEMBER_FLAG | FIELD_METHOD_FLAG;
return { name, &TypeInfo<R(*)(Args...)>::StaticClass, {member},flag };
return { name, &TypeInfo<R(*)(const void*, Args...)>::StaticClass, {member},flag };
}
};
template<_ReflCheck_Ctor T>
class UClass_Auto : public UClass{
public:
using UClass::UClass;
bool ConvertToValue(ArgsView& args)const override {
if constexpr (std::is_same<T, int*>::value) {
using RawT = std::remove_pointer_t<T>;
args.val = (void*)*(RawT*)args.val;
args.cls = &TypeInfo<RawT>::StaticClass;
return true;
}
return false;
}
protected:
void InitObject(void* ptr)const override {
constexpr bool is_shallow_copyable = std::is_trivially_copyable<T>::value;
@ -93,17 +116,36 @@ namespace refl {
return cls;
}
};
template<_ReflCheck_Ctor_NoUClass T>
struct TypeInfo<T> {
struct TypeInfoImpl<T>{
using UClass = UClass_Auto<T>;
inline static UClass StaticClass = UClass::BuildClass();
};
template<typename R, typename... Args>
class UMethod_Auto : public UClass {
using UClass::UClass;
using MethodType = R(*)(Args...);
public:
std::array<UClass*, sizeof...(Args) + 1> UList;
std::vector<UClass*> GetParams()const override {
return { UList.data(), UList.data() + UList.size()};
}
void Call(const FieldPtr& field, std::vector<ArgsView>& ArgsList)const override {
Call<Args...>(field, ArgsList);
}
protected:
template<typename... Args>
inline void Call(const FieldPtr& field, std::vector<ArgsView>& ArgsList)const {
MethodType fptr = (MethodType)std::get<Method>(field.data);
int Indices = 0;
//fptr(ArgsList[1].val, Indices, Indices);
//fptr(std::forward<Args>((Args)Indices), ...);
int a = 1;
a = a + 1;
}
public:
static UMethod_Auto<R,Args...> BuildClass() {
auto cls = UMethod_Auto<R, Args...>(type_name<MethodType>().View(), sizeof(MethodType));
@ -119,7 +161,7 @@ namespace refl {
};
// 函数指针类型的偏特化
template<typename R, typename... Args>
struct TypeInfo<R(*)(Args...)> {
struct TypeInfoImpl<R(*)(Args...)> {
using UClass = UMethod_Auto<R,Args...>;
inline static UClass StaticClass = UClass::BuildClass();
};
@ -159,26 +201,36 @@ _cache_set: bool isChild = cache->type->IsChildOf<T>(true);
return false;
}
template<typename ...Args>
bool ObjectView::Invoke(const Name& name, Args... args)
bool ObjectView::Invoke(const Name& name, Args&&... args)
{
auto field = cls->GetField(name);
if (!field) {
return false;
}
if (field->flag & FIELD_MEMBER_FLAG) {
using MemberMethodType = void(*)(const void*, Args...);
MemberMethodType fptr = (MemberMethodType)std::get<void*>(field->data);
fptr(ptr, args...);
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;
}
else {
using MethodType = void(*)(Args...);
MethodType fptr = (MethodType)std::get<void*>(field->data);
fptr(args...);
std::vector<ArgsView> ArgsList;
ArgsList.reserve(paramsSize);
ArgsList.emplace_back();
if (member) {
ArgsList.emplace_back(ptr, cls );
}
return true;
(..., (ArgsList.emplace_back((void*)&args, &TypeInfo<Args>::StaticClass)));
for (int i = member + 1; i < paramsSize; i++) {
if (ArgsList[i].cls != params[i]) {
ArgsList[i].ConvertTo(params[i]);
}
}
field->type->Call(*field, ArgsList);
return false;
}
template<typename R, typename ...Args>
inline bool ObjectView::InvokeRet(const Name& name, R& ret, Args ...args)
inline bool ObjectView::InvokeRet(const Name& name, R& ret, Args&& ...args)
{
auto field = cls->GetField(name);
if (!field) {
@ -186,14 +238,23 @@ _cache_set: bool isChild = cache->type->IsChildOf<T>(true);
}
if (field->flag & FIELD_MEMBER_FLAG) {
using MemberMethodType = R(*)(const void*, Args...);
MemberMethodType fptr = (MemberMethodType)std::get<void*>(field->data);
ret = fptr(ptr, args...);
MemberMethodType fptr = (MemberMethodType)std::get<Method>(field->data);
ret = fptr(ptr, std::forward<Args>(args)...);
}
else {
using MethodType = R(*)(Args...);
MethodType fptr = (MethodType)std::get<void*>(field->data);
ret = fptr(args...);
MethodType fptr = (MethodType)std::get<Method>(field->data);
ret = fptr(std::forward<Args>(args)...);
}
return true;
}
bool ArgsView::ConvertTo(UClass* toClass) {
ArgsView args{val};
cls->ConvertToValue(args);
if (args.cls == toClass) {
*this = args;
return true;
}
return false;
}
}

32
engine/3rdparty/zlib/include/refl/view.h vendored Normal file
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@ -0,0 +1,32 @@
#include <string>
namespace refl {
class UClass;
class FieldPtr;
class ObjectView {
public:
const char* ptr;
const UClass* cls;
const FieldPtr* cache{nullptr};
ObjectView(const void* ptr, const UClass* cls) : ptr((const char*)ptr), cls(cls){}
public:
template<typename T>
bool Get(const Name& name, T& t);
template<typename T>
bool Set(const Name& name, const T& t);
template<typename ...Args>
bool Invoke(const Name& name, Args&&... args);
template<typename R, typename ...Args>
bool InvokeRet(const Name& name,R& ret, Args&&... args);
};
class ArgsView {
public:
const void* val;
const UClass* cls;
ArgsView(const void* val = nullptr, const UClass* cls = nullptr) : val(val), cls(cls) {}
bool ConvertTo(UClass* toClass);
};
}

83
engine/3rdparty/zlib/test/refl_01.cpp vendored
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@ -15,18 +15,18 @@ struct vec3 : public vec3_parent {
float y = 2;
float z = 3;
string name{ "hellohellohellohellohellohello" };
void norm(int x1) {
x1 = x * y * z;
cout << x1 << "::norm" << endl;
void norm(int x1, int& x2) {
x2 = x1 * x * y * z * x2;
cout << x2 << "::norm" << endl;
}
virtual float norm1(int x1) {
virtual float norm1(int x1 = 10) {
cout << x1 << "::norm1" << endl;
return x * y *z * x1;
}
static void norm2(int x1) {
static void norm2(int x1 = 10) {
cout << x1 << "::norm2" << endl;
}
void norm3(int x1) {
void norm3(int x1 = 10) {
x1 = x * y * z;
cout << x1 << "::norm3" << endl;
}
@ -50,41 +50,44 @@ public:
static vec3_UClass BuildClass() {
vec3_UClass cls(type_name<vec3>().View(), sizeof(vec3), &TypeInfo<vec3_parent>::StaticClass);
//offsetof(vec3, x) 很坑，相当坑
cls.FList[0] = cls.MakeMemberField<offsetof(vec3, x)>(&vec3::x, "x");
cls.FList[1] = cls.MakeMemberField<offsetof(vec3, y)>(&vec3::y, "y");
cls.FList[2] = cls.MakeMemberField<offsetof(vec3, z)>(&vec3::z, "z");
cls.FList[3] = cls.MakeMethodField(&vec3::norm, "norm");
cls.FList[4] = cls.MakeMethodField(&vec3::norm1, "norm1");
cls.FList[5] = cls.MakeMethodField(&vec3::norm2, "norm2");
cls.FList[0] = cls.MakeMemberField<float, offsetof(vec3, x)>("x");
cls.FList[1] = cls.MakeMemberField<float, offsetof(vec3, y)>("y");
cls.FList[2] = cls.MakeMemberField<float, offsetof(vec3, z)>("z");
cls.FList[3] = cls.MakeMethodField(&vec3::norm, "norm");
//cls.FList[4] = cls.MakeMethodField(&vec3::norm1, "norm1");
//cls.FList[5] = cls.MakeMethodField(&vec3::norm2, "norm2");
return cls;
}
};
int main() {
auto& cls = TypeInfo<vec3>::StaticClass;
auto ptr1 = &vec3::norm;
auto ptr2 = &vec3::norm1;
auto ptr3 = &vec3::norm2;
auto ptr4 = &vec3::norm3;
vec3 v;
using Any = void*;
ObjectView pv(&v, &cls);
//using ClassMethod = void(Any::*)(int);
using MethodType = void(void*, int);
MethodType* ptr_wrap = (MethodType*)*(void**)&ptr1;
pv.Invoke("norm", 10);
ptr_wrap(&v, 10);
ptr_wrap = (MethodType*)*(void**)&ptr2;
float x;
pv.InvokeRet("norm1",x ,10);
ptr_wrap(&v, 10);
ptr_wrap = (MethodType*)*(void**)&ptr3;
pv.Invoke("norm2", 10);
ptr_wrap(&v, 10);
ptr_wrap = (MethodType*)*(void**)&ptr4;
ptr_wrap(&v, 10);
PrintHex8(ptr1);
PrintHex8(ptr2);
PrintHex8(ptr3);
PrintHex8(ptr4);
cout << "hello world\n";
template<typename ...Args>
void printt(void* ptr, std::vector<ArgsView>& ArgsList) {
using MethodType = void (*)(Args...);
MethodType fptr = (MethodType)ptr;
auto param = ArgsList.begin();
auto val1 = (++param)->val;
auto val2 = (++param)->val;
auto val3 = (++param)->val;
fptr(val1, (int)val2, (int*)(void *)val3);
//fptr(val1, (int)val2, std::forward<int&>((int&)val3));
//fptr((++param)->val, (int)(++param)->val, (int&)(++param)->val);
//fptr(std::forward<Args>(Args(param++->val))...);
int x = 1;
x = x + 1;
}
int main() {
auto cls = &TypeInfo<vec3>::StaticClass;
vec3 v;
int x = 1, y = 2;
std::vector<ArgsView> ArgsList;
ArgsList.emplace_back();
ArgsList.emplace_back(&v);
ArgsList.emplace_back((void*)x);
ArgsList.emplace_back(&y);
auto ptr1 = &vec3::norm;
using MethodType = void (*)(void*, int, int*);
MethodType ptr2 = *(MethodType*)&ptr1;
ptr2(&v, x , &y);
printt<const void*, int , int*>(*(void**)&ptr1, ArgsList);
//ptr2(x, y);
//cout << "hello world\n";
}