From 6566f11269990411bed6e9ad839533fd3220385f Mon Sep 17 00:00:00 2001
From: tqcq <99722391+tqcq@users.noreply.github.com>
Date: Tue, 5 Mar 2024 00:13:53 +0800
Subject: [PATCH] feat support reflection

---
 3rdparty/sled                     |   2 +-
 CMakeLists.txt                    |   2 +
 runtime/apply.h                   |  60 ------------
 runtime/reflection.gen.cc         |   5 +
 runtime/reflection.h              | 141 +++++++++++++++++++++++-----
 runtime/test.gen.cc               |  90 ++++++++++++++++++
 runtime/test.gen.h                |  41 ++++++++
 runtime/test.h                    |  33 ++-----
 src/clang/parser.cc               |   1 +
 src/generators/base_generator.cc  |  25 ++++-
 src/main.cc                       | 151 ++++++++++++++----------------
 src/types/field.cc                |  12 +++
 src/types/field.h                 |   2 +
 src/types/method.cc               |   6 ++
 src/types/method.h                |   1 +
 template/class_proxy_include.inja |  25 +++--
 template/class_proxy_source.inja  |  96 +++++++++++++------
 17 files changed, 462 insertions(+), 231 deletions(-)
 delete mode 100644 runtime/apply.h
 create mode 100644 runtime/reflection.gen.cc
 create mode 100644 runtime/test.gen.cc
 create mode 100644 runtime/test.gen.h

diff --git a/3rdparty/sled b/3rdparty/sled
index fcce112..4402688 160000
--- a/3rdparty/sled
+++ b/3rdparty/sled
@@ -1 +1 @@
-Subproject commit fcce11249be00ca0c7f8c2e75938de4b3e5f26da
+Subproject commit 4402688c9c63e9885de1bf99cd718150b036ac7a
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c34d37d..2836b76 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,8 @@ add_executable(meta
     src/types/field.cc
     src/types/method.cc
     src/registry.cc
+    runtime/test.gen.cc
+    runtime/reflection.gen.cc
 )
 
 ### add clang
diff --git a/runtime/apply.h b/runtime/apply.h
deleted file mode 100644
index 5b11168..0000000
--- a/runtime/apply.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#pragma once
-#ifndef META_APPLY_H
-#define META_APPLY_H
-#include <functional>
-#include <tuple>
-
-namespace meta {
-namespace reflection {
-namespace detail {
-template<int... Seq>
-struct Sequence {};
-
-template<int N, int... Seq>
-struct MakeSeq : MakeSeq<N - 1, N - 1, Seq...> {};
-
-template<int... Seq>
-struct MakeSeq<0, Seq...> {
-    using type = Sequence<Seq...>;
-};
-
-template<typename ReturnT, typename Func, typename Tuple, int... Seq>
-ReturnT
-ApplyImpl(const Func &func, const Tuple &tuple, const Sequence<Seq...> &)
-{
-    return std::bind(func, std::get<Seq>(tuple)...)();
-}
-
-struct VoidTag {};
-
-}// namespace detail
-
-template<typename ReturnT,
-         typename Func,
-         typename Tuple,
-         typename std::enable_if<!std::is_void<ReturnT>::value, ReturnT>::type * = nullptr>
-ReturnT
-apply(const Func &func, const Tuple &tuple)
-{
-    return detail::ApplyImpl<ReturnT>(
-        func,
-        tuple,
-        typename detail::MakeSeq<std::tuple_size<Tuple>::value>::type());
-}
-
-template<typename ReturnT = void,
-         typename Func,
-         typename Tuple,
-         typename std::enable_if<std::is_void<ReturnT>::value, detail::VoidTag>::type * = nullptr>
-ReturnT
-apply(const Func &func, const Tuple &tuple)
-{
-    return detail::ApplyImpl<ReturnT>(
-        func,
-        tuple,
-        typename detail::MakeSeq<std::tuple_size<Tuple>::value>::type());
-}
-
-}// namespace reflection
-}// namespace meta
-#endif// META_APPLY_H
diff --git a/runtime/reflection.gen.cc b/runtime/reflection.gen.cc
new file mode 100644
index 0000000..3355427
--- /dev/null
+++ b/runtime/reflection.gen.cc
@@ -0,0 +1,5 @@
+#include "test.gen.h"
+
+void ::meta::reflection::Registry::RegisterAll() { ::test::Test::Test_Class::Register(); }
+
+void ::meta::reflection::Registry::UnregisterAll() {}
diff --git a/runtime/reflection.h b/runtime/reflection.h
index 475a54a..c7b34fc 100644
--- a/runtime/reflection.h
+++ b/runtime/reflection.h
@@ -2,7 +2,6 @@
 #ifndef META_RUNTIME_REFLECTION_H
 #define META_RUNTIME_REFLECTION_H
 #include "any.h"
-#include "apply.h"
 #include <cstdlib>
 #include <cxxabi.h>
 #include <sled/log/log.h>
@@ -42,7 +41,7 @@ RemoveTypeSpace(const std::string &str, const std::string &chars = "[]()<>*&:")
 }
 
 template<typename T, typename U = typename std::decay<T>::type>
-std::string
+inline std::string
 PrettyNameImpl()
 {
     const std::string name = typeid(U).name();
@@ -71,13 +70,20 @@ PrettyName()
 #define META(...)
 #define CLASS(class_name, ...) class class_name
 #define STRUCT(struct_name, ...) struct struct_name
-#endif// __REFLECTION_PARSER_
+#endif// __REFLECTION_PARSER_                                                                      \
 
 #define META_REFLECTION_BODY(class_name)                                                           \
-    friend class meta::reflection::##class_name##_Method;                                          \
-    friend class meta::reflection::##class_name##_Field;                                           \
-    friend class meta::reflection::##class_name##_Constructor;                                     \
-    friend class meta::reflection::##class_name##_Serializer;
+    class class_name##_Class;                                                                      \
+    class class_name##_Constructor;                                                                \
+    class class_name##_Method;                                                                     \
+    class class_name##_Field;                                                                      \
+    class class_name##_Serializer;                                                                 \
+    friend class class_name##_Class;                                                               \
+    friend class class_name##_Constructor;                                                         \
+    friend class class_name##_Method;                                                              \
+    friend class class_name##_Field;                                                               \
+    friend class class_name##_Serializer;                                                          \
+    friend class ::meta::reflection::Registry;
 
 class Constructor;
 class Method;
@@ -113,7 +119,7 @@ public:
              typename... Params>
     inline ReturnT InvokeAndCast(void *instance, Params &&...params) const
     {
-        return ::meta::reflection::any_cast<ReturnT>(InvokeImpl(instance, {&params...}));
+        return ::meta::reflection::any_cast<ReturnT>(InvokeImpl(instance, {params...}));
     }
 
     template<typename ReturnT,
@@ -121,18 +127,18 @@ public:
              typename... Params>
     inline void InvokeAndCast(void *instance, Params &&...params) const
     {
-        ::meta::reflection::any_cast<ReturnT>(InvokeImpl(instance, {&params...}));
+        ::meta::reflection::any_cast<ReturnT>(InvokeImpl(instance, {params...}));
     }
 
     template<typename... Params>
     inline ::meta::reflection::any Invoke(void *instance, Params &&...params) const
     {
-        return InvokeImpl(instance, {&params...});
+        return InvokeImpl(instance, {params...});
     }
 
 protected:
-    virtual ::meta::reflection::any InvokeImpl(void *instance,
-                                               const std::vector<void *> &params) const
+    virtual ::meta::reflection::any
+    InvokeImpl(void *instance, const std::vector<::meta::reflection::any> &params) const
         = 0;
 
 private:
@@ -167,23 +173,106 @@ public:
     Class(const std::string &name, std::shared_ptr<Class> base_class = nullptr)
         : BaseType(name, base_class)
     {}
+
+    inline std::vector<std::shared_ptr<Class>> GetBaseClasses() const { return base_classes_; }
+
+    inline std::shared_ptr<Class> GetBaseClass(const std::string &name) const
+    {
+        auto iter = base_class_by_name_.find(name);
+        if (iter != base_class_by_name_.end()) { return iter->second; }
+        return nullptr;
+    }
+
+    inline std::vector<std::shared_ptr<Method>> GetMethods() const { return methods_; }
+
+    inline std::shared_ptr<Method> GetMethod(const std::string &name) const
+    {
+        auto iter = method_by_name_.find(name);
+        if (iter != method_by_name_.end()) { return iter->second; }
+        return nullptr;
+    }
+
+    inline std::vector<std::shared_ptr<Field>> GetFields() const { return fields_; }
+
+    inline std::shared_ptr<Field> GetField(const std::string &name) const
+    {
+        auto iter = field_by_name_.find(name);
+        if (iter != field_by_name_.end()) { return iter->second; }
+        return nullptr;
+    }
+
+protected:
+    void AddBaseClass(std::shared_ptr<Class> clz)
+    {
+        if (base_class_by_name_.find(clz->Name()) != base_class_by_name_.end()) { return; }
+        base_classes_.push_back(clz);
+        base_class_by_name_[clz->Name()] = clz;
+    }
+
+    void AddMethod(std::shared_ptr<Method> method)
+    {
+        if (method_by_name_.find(method->Name()) != method_by_name_.end()) { return; }
+        methods_.push_back(method);
+        method_by_name_[method->Name()] = method;
+    }
+
+    void AddField(std::shared_ptr<Field> field)
+    {
+        fields_.push_back(field);
+        field_by_name_[field->Name()] = field;
+    }
+
+private:
+    std::unordered_map<std::string, std::shared_ptr<Class>> base_class_by_name_;
+    std::unordered_map<std::string, std::shared_ptr<Method>> method_by_name_;
+    std::unordered_map<std::string, std::shared_ptr<Field>> field_by_name_;
+
+    std::vector<std::shared_ptr<Class>> base_classes_;
+    std::vector<std::shared_ptr<Method>> methods_;
+    std::vector<std::shared_ptr<Field>> fields_;
 };
 
-#define REFLECTION_BODY()                                                                          \
-    friend class meta::Serializer;                                                                 \
-    friend class meta::Class;                                                                      \
-    friend class meta::Method;                                                                     \
-    friend class meta::Field;                                                                      \
-    friend class meta::Constructor;
-
-class Reflectioin {
+class Registry {
 public:
-    static Reflectioin *Instance();
-    ~Reflectioin();
-    std::shared_ptr<Class> GetClass();
-    // std::shared_ptr<Constructor> GetConstructor(std::shared_ptr<Class> clz);
-    std::shared_ptr<Method> GetMethod(std::shared_ptr<Class> clz);
-    std::shared_ptr<Field> GetField(std::shared_ptr<Class> clz);
+    static Registry *Instance()
+    {
+        static Registry instance;
+        return &instance;
+    }
+
+    ~Registry() {}
+
+    static void RegisterAll();
+    static void UnregisterAll();
+
+    static std::shared_ptr<Class> GetClass(const std::string &name)
+    {
+        return Instance()->GetClassInner(name);
+    }
+
+    static void RegisterClass(std::shared_ptr<Class> clz) { Instance()->RegisterClassInner(clz); }
+
+    static std::vector<std::shared_ptr<Class>> GetClasses() { return Instance()->classes(); }
+
+private:
+    std::shared_ptr<Class> GetClassInner(const std::string &name) const
+    {
+        auto iter = class_by_name_.find(name);
+        if (iter != class_by_name_.end()) { return iter->second; }
+        return nullptr;
+    }
+
+    inline void RegisterClassInner(std::shared_ptr<Class> clz)
+    {
+        if (class_by_name_.find(clz->Name()) != class_by_name_.end()) { return; }
+        classes_.push_back(clz);
+        class_by_name_[clz->Name()] = clz;
+    }
+
+    inline std::vector<std::shared_ptr<Class>> classes() const { return classes_; }
+
+    std::unordered_map<std::string, std::shared_ptr<Class>> class_by_name_;
+    std::vector<std::shared_ptr<Class>> classes_;
 };
 }// namespace reflection
 
diff --git a/runtime/test.gen.cc b/runtime/test.gen.cc
new file mode 100644
index 0000000..f55438d
--- /dev/null
+++ b/runtime/test.gen.cc
@@ -0,0 +1,90 @@
+#include "test.gen.h"
+#include <memory>
+
+/**
+ * Class
+ **/
+test::Test::Test_Class::Test_Class() 
+: ::meta::reflection::Class("test::Test", nullptr)
+{
+}
+
+void test::Test::Test_Class::Register() {
+    auto self = new test::Test::Test_Class();
+    auto clz = std::shared_ptr<::meta::reflection::Class>(self);
+    // self->AddBaseClassProxy();
+
+    self->AddMethod(std::make_shared<test::Test::Test_Method>("size", clz));
+    self->AddMethod(std::make_shared<test::Test::Test_Method>("length", clz));
+
+    self->AddField(std::make_shared<test::Test::Test_Field>("length_", clz));
+    self->AddField(std::make_shared<test::Test::Test_Field>("size_", clz));
+
+    ::meta::reflection::Registry::Instance()->RegisterClass(clz);
+}
+void test::Test::Test_Class::AddBaseClassProxy(std::shared_ptr<::meta::reflection::Class> base) {
+    AddBaseClass(base);
+}
+void test::Test::Test_Class::AddMethodProxy(std::shared_ptr<::meta::reflection::Method> method) {
+    AddMethod(method);
+}
+void test::Test::Test_Class::AddFieldProxy(std::shared_ptr<::meta::reflection::Field> field)  {
+    AddField(field);
+}
+
+
+/**
+ * Field
+ **/
+
+test::Test::Test_Field::Test_Field(
+    const std::string& name, 
+    std::shared_ptr<::meta::reflection::Class> parent) 
+: ::meta::reflection::Field(name, parent) {}
+
+::meta::reflection::any test::Test::Test_Field::GetImpl(void* instance) const {
+    ::test::Test* obj = (::test::Test*)instance;
+
+    if (strcmp(Name().c_str(), "length_") == 0) {
+        return obj->length_; 
+    }
+    if (strcmp(Name().c_str(), "size_") == 0) {
+        return obj->size_; 
+    }
+    return ::meta::reflection::any{};
+}
+
+void test::Test::Test_Field::SetImpl(void* instance, const ::meta::reflection::any& value) const {
+    ::test::Test* obj = (::test::Test*)instance;
+    if(strcmp(Name().c_str(), "length_") == 0) { obj->length_ = ::meta::reflection::any_cast<int>(value);}
+    if(strcmp(Name().c_str(), "size_") == 0) { obj->size_ = ::meta::reflection::any_cast<int>(value);}
+}
+
+
+
+/**
+ * Method
+ **/
+test::Test::Test_Method::Test_Method(
+    const std::string& name, 
+    std::shared_ptr<::meta::reflection::Class> parent) 
+: ::meta::reflection::Method(name, parent) {}
+
+::meta::reflection::any test::Test::Test_Method::InvokeImpl(void* instance, const std::vector<::meta::reflection::any> &params) const {
+    ::test::Test* obj = (::test::Test*)instance;
+
+    if (strcmp(Name().c_str(), "size") == 0) {
+        return 
+        obj->
+size(
+        );
+    }
+    if (strcmp(Name().c_str(), "length") == 0) {
+        return 
+        obj->
+length(
+        );
+    }
+    return ::meta::reflection::any{};
+}
+
diff --git a/runtime/test.gen.h b/runtime/test.gen.h
new file mode 100644
index 0000000..c1bc867
--- /dev/null
+++ b/runtime/test.gen.h
@@ -0,0 +1,41 @@
+#pragma once
+#ifndef META_GEN_Test_PROXY_H
+#define META_GEN_Test_PROXY_H
+
+#include "test.h"
+
+// namespace meta {
+// namespace reflection {
+
+class ::test::Test::Test_Class : public ::meta::reflection::Class {
+public:
+    Test_Class();
+    static void Register();
+private:
+    void AddBaseClassProxy(std::shared_ptr<::meta::reflection::Class> base) ;
+    void AddMethodProxy(std::shared_ptr<::meta::reflection::Method> method) ;
+    void AddFieldProxy(std::shared_ptr<::meta::reflection::Field> field) ;
+};
+
+class ::test::Test::Test_Field : public ::meta::reflection::Field {
+public:
+    Test_Field(const std::string& name, std::shared_ptr<::meta::reflection::Class> parent);
+
+protected:
+    ::meta::reflection::any GetImpl(void* instance) const override;
+    void SetImpl(void* instance, const ::meta::reflection::any& value) const override;
+};
+
+class ::test::Test::Test_Method : public ::meta::reflection::Method {
+public:
+    Test_Method(const std::string& name, std::shared_ptr<::meta::reflection::Class> parent);
+
+protected:
+    ::meta::reflection::any InvokeImpl(void* instance, const std::vector<::meta::reflection::any> &params) const override;
+};
+
+// } // namespace reflection
+// } // namespace meta
+
+#endif // META_GEN_Test_PROXY_H
+
diff --git a/runtime/test.h b/runtime/test.h
index 3dceaec..485d94a 100644
--- a/runtime/test.h
+++ b/runtime/test.h
@@ -3,38 +3,25 @@
 #define META_RUNTIME_TEST_H
 
 #include "reflection.h"
+#include <vector>
 
 namespace test {
-class TypeDef {};
-
 CLASS(Test)
 {
+    META_REFLECTION_BODY(Test);
+
 public:
-    META("Constructor")
-    Test() : b_(0), a_(0) {}
+    Test() {}
 
-    Test(int a) : b_(0), a_(a) {}
-
-    META("Test")
-    int GetA() const { return a_; }
-
-    int kk(int, void *);
-    TypeDef GetTypeDef() const { return type_def_; }
+    const size_t size() const { return size_; }
+    const size_t length() const { return length_; }
 
 private:
-    struct Void {};
+    META("1")
+    int length_;
 
-    STRUCT(VoidMeta, "VoidMeta")
-    {
-        META("Enable")
-        int a;
-    };
-
-    const int b_;
-    int a_;
-
-    META("TypeDef")
-    TypeDef type_def_;
+    META("2")
+    int size_;
 };
 
 }// namespace test
diff --git a/src/clang/parser.cc b/src/clang/parser.cc
index e6f6537..a9f5d8e 100644
--- a/src/clang/parser.cc
+++ b/src/clang/parser.cc
@@ -59,6 +59,7 @@ Parser::Parse(const std::string &file_name, std::vector<const char *> extra_args
 
         // ignore error for reflection.h
         if (sled::EndsWith(filename, "reflection.h")) { continue; }
+        if (sled::EndsWith(filename, "any.h")) { continue; }
 
         LOGE("parser", "diagnostic: {}", msg);
     }
diff --git a/src/generators/base_generator.cc b/src/generators/base_generator.cc
index 089c429..3349d7a 100644
--- a/src/generators/base_generator.cc
+++ b/src/generators/base_generator.cc
@@ -39,19 +39,38 @@ BaseGenerator::GenClassRenderData(Class *clz, inja::json &class_def)
     class_def["properties"] = inja::json::array();
     for (auto &prop : clz->properties()) { class_def["properties"].push_back(prop); }
 
+    inja::json constructors = inja::json::array();
     inja::json methods = inja::json::array();
     inja::json fields = inja::json::array();
 
+    GenClassConstructorRenderData(clz, constructors);
     GenClassMethodRenderData(clz, methods);
     GenClassFieldRenderData(clz, fields);
 
+    class_def["class_constructors"] = constructors;
     class_def["class_methods"] = methods;
     class_def["class_fields"] = fields;
 }
 
 void
 BaseGenerator::GenClassConstructorRenderData(Class *clz, inja::json &constructor_defs)
-{}
+{
+    for (auto &constructor : clz->constructors()) {
+        inja::json constructor_def;
+        constructor_def["name"] = constructor->Name();
+        constructor_def["properties"] = inja::json::array();
+        for (auto &prop : constructor->properties()) {
+            constructor_def["properties"].push_back(prop);
+        }
+        inja::json params = inja::json::array();
+        for (auto &param : constructor->arguments()) {
+            inja::json param_def;
+            param_def["name"] = "";
+            param_def["type"] = param.GetDisplayName();
+            params.push_back(param_def);
+        }
+    }
+}
 
 void
 BaseGenerator::GenClassFieldRenderData(Class *clz, inja::json &field_defs)
@@ -60,6 +79,7 @@ BaseGenerator::GenClassFieldRenderData(Class *clz, inja::json &field_defs)
         inja::json field_def;
         field_def["name"] = field->Name();
         field_def["is_const"] = field->IsConst();
+        field_def["is_static"] = field->IsStatic();
         field_def["properties"] = inja::json::array();
         for (auto &prop : field->properties()) { field_def["properties"].push_back(prop); }
         field_def["type"] = field->cursor().GetType().GetDisplayName();
@@ -73,9 +93,10 @@ BaseGenerator::GenClassMethodRenderData(Class *clz, inja::json &method_defs)
     for (auto &method : clz->methods()) {
         inja::json method_def;
         method_def["name"] = method->Name();
+        method_def["is_const"] = method->IsConst();
+        method_def["is_static"] = method->IsStatic();
         method_def["properties"] = inja::json::array();
         for (auto &prop : method->properties()) { method_def["properties"].push_back(prop); }
-        method_def["is_const"] = method->IsConst();
         method_def["return_type"] = method->return_type().GetDisplayName();
         inja::json params = inja::json::array();
         for (auto &param : method->arguments()) {
diff --git a/src/main.cc b/src/main.cc
index c057c80..7ae8e95 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1,6 +1,7 @@
 #include "generators/base_generator.h"
 #include "reflection.h"
 #include "registry.h"
+#include "test.gen.h"
 #include "types/class.h"
 #include "clang/parser.h"
 #include <fstream>
@@ -15,12 +16,13 @@ const char *kTag = "main";
 
 class Generator : public meta::BaseGenerator {
 public:
-    Generator(const std::string &template_path)
+    Generator(const std::string &template_path, const std::string &output_path = "")
     {
         std::fstream in(template_path, std::ios::in);
         std::stringstream ss;
         ss << in.rdbuf();
         template_ = ss.str();
+        output_path_ = output_path;
     }
 
     ~Generator() override = default;
@@ -33,9 +35,51 @@ public:
             inja::Environment env;
             env.set_trim_blocks(true);
             env.set_lstrip_blocks(true);
+            env.add_callback("to_upper", 1, [](inja::Arguments &args) {
+                return sled::ToUpper(args.at(0)->get<std::string>());
+            });
+            env.add_callback("to_lower", 1, [](inja::Arguments &args) {
+                return sled::ToLower(args.at(0)->get<std::string>());
+            });
+            // CamelCase or SnakeCase to SnakeCase
+            env.add_callback("to_snake_case", 1, [](inja::Arguments &args) {
+                const std::string str = args.at(0)->get<std::string>();
+                std::string result;
+                for (size_t i = 0; i < str.size(); i++) {
+                    if (i > 0 && str[i] >= 'A' && str[i] <= 'Z') { result.push_back('_'); }
+                    result.push_back(sled::ToLower(str[i]));
+                }
+                return result;
+            });
+            env.add_callback("to_camel_case", 1, [](inja::Arguments &args) {
+                const std::string str = args.at(0)->get<std::string>();
+                std::string result;
+                bool to_upper = false;
+                for (size_t i = 0; i < str.size(); i++) {
+                    if (str[i] == '_') {
+                        to_upper = true;
+                    } else {
+                        if (to_upper) {
+                            result.push_back(sled::ToUpper(str.substr(i, 1))[0]);
+                            to_upper = false;
+                        } else {
+                            result.push_back(str[i]);
+                        }
+                    }
+                }
+                return result;
+            });
+
             try {
                 LOGV(kTag, "data={}", class_def.dump());
-                LOGV(kTag, "class_def={}", env.render(template_, class_def));
+                std::string result = env.render(template_, class_def);
+                if (output_path_.empty()) {
+                    LOGI(kTag, "render_result=\n{}", result);
+                } else {
+                    std::ofstream out(output_path_);
+                    out << result;
+                }
+
             } catch (const std::exception &e) {
                 LOGE(kTag, "error: {}", e.what());
             }
@@ -44,88 +88,14 @@ public:
 
 private:
     std::string template_;
+    std::string output_path_;
 };
 
-// template<typename ClassT, typename ReturnT = void, typename... Args>
-// std::function<void(sled::any)>
-// MemberFunctionWrapper(void (ClassT::*func)(Args...))
-// {
-//     return [=](sled::any obj_args) {
-//         using tuple = ::std::tuple<ClassT *, Args...>;
-//         // ::std::tuple<ClassT *, Args...> *pTuple = ::sled::any_cast<tuple *>(obj_args);
-//         auto tuple_ptr = ::sled::any_cast<tuple *>(obj_args);
-//         sled::apply(func, *tuple_ptr);
-//     };
-// }
-
-template<typename ClassT, typename ReturnT, typename... Args>
-std::function<ReturnT(sled::any)>
-MemberFunctionWrapper(ReturnT (ClassT::*func)(Args...))
-{
-    return [=](sled::any obj_args) {
-        using tuple = ::std::tuple<ClassT *, Args...>;
-        // ::std::tuple<ClassT *, Args...> *pTuple = ::sled::any_cast<tuple *>(obj_args);
-        auto tuple_ptr = ::sled::any_cast<tuple *>(obj_args);
-        return sled::apply<ReturnT>(func, *tuple_ptr);
-    };
-}
-
-class Test {
-public:
-    void Show(int a, double b, std::string c) { LOGV(kTag, "a={}, b={}, c={}", a, b, c); }
-
-    // int Show(int a, int b, const std::string &c)
-    // {
-    //     LOGV(kTag, "a={}, b={}, c={}", a, b, c);
-    //     return 0;
-    // }
-};
-
-class Adder {
-public:
-    int Add(int a, int b) { return a + b; }
-    friend class meta::reflection::Method;
-};
-
-// Add(int, int)
-class AdderMethod : public meta::reflection::Method {
-public:
-    AdderMethod(const std::string &name, std::shared_ptr<meta::reflection::Class> parent)
-        : meta::reflection::Method(name, parent)
-    {
-        fun_ = MemberFunctionWrapper<Adder, int, int, int>(&Adder::Add);
-    }
-
-    int Add(int a, int b) { return a + b; }
-
-protected:
-    meta::reflection::any InvokeImpl(void *instance,
-                                     const std::vector<void *> &params) const override
-    {
-        Adder *adder = reinterpret_cast<Adder *>(instance);
-        using tuple = std::tuple<int, int>;
-        auto t = std::make_tuple(adder,
-                                 *reinterpret_cast<int *>(params[0]),
-                                 *reinterpret_cast<int *>(params[1]));
-        return fun_(&t);
-    }
-
-private:
-    std::function<int(sled::any)> fun_;
-};
+void TestFunc();
 
 int
 main(int argc, char *argv[])
 {
-    auto clz = std::make_shared<meta::reflection::Class>("Test");
-    class Adder adder;
-    meta::reflection::Method *method = new AdderMethod("Add", clz);
-    for (int i = 0; i < 10; i++) {
-        LOGV("", "{}+{}={}", i, i, meta::reflection::any_cast<int>(method->Invoke(&adder, i, i)));
-    }
-
-    void (Test::*p)(int, double, std::string) = &Test::Show;
-
     LOGV(kTag, "{}", meta::reflection::PrettyName<meta::Registry>());
     // LOGI(kTag, "cwd={}", sled::Path::Current().ToString());
     meta::Parser parser;
@@ -151,10 +121,31 @@ main(int argc, char *argv[])
         LOGI(kTag, "{}\n{}", meta::Registry::Instance()->GetQualifiedName(clz), clz->ToString());
     }
 
-    Generator generator1("template/class_proxy_include.inja");
+    Generator generator1("template/class_proxy_include.inja", "runtime/test.gen.h");
     generator1.Generate();
-    Generator generator2("template/class_proxy_source.inja");
+    Generator generator2("template/class_proxy_source.inja", "runtime/test.gen.cc");
     generator2.Generate();
 
+    ::meta::reflection::Registry::RegisterAll();
+    TestFunc();
     return 0;
 }
+
+void
+TestFunc()
+{
+    auto clz = ::meta::reflection::Registry::Instance()->GetClass("test::Test");
+    if (clz) {
+        LOGI(kTag, "class={}", clz->Name());
+        ::test::Test test;
+        auto size_method = clz->GetMethod("size");
+        auto size_field = clz->GetField("size_");
+        for (int i = 0; i < 10; i++) {
+            size_field->Set(&test, i);
+            LOGI(kTag, "size_field={}", size_field->GetAndCast<int>(&test));
+            LOGI(kTag, "size_invoke={}", size_method->InvokeAndCast<size_t>(&test));
+        }
+    } else {
+        LOGE(kTag, "class not found");
+    }
+}
diff --git a/src/types/field.cc b/src/types/field.cc
index ecbdec0..addbc91 100644
--- a/src/types/field.cc
+++ b/src/types/field.cc
@@ -16,6 +16,18 @@ Field::Field(const Cursor &cursor, const std::vector<std::string> &namespaces, c
     }
 }
 
+bool
+Field::IsConst() const
+{
+    return cursor().GetType().IsConst();
+}
+
+bool
+Field::IsStatic() const
+{
+    return false;
+}
+
 std::string
 Field::ToString() const
 {
diff --git a/src/types/field.h b/src/types/field.h
index f03314b..0948e89 100644
--- a/src/types/field.h
+++ b/src/types/field.h
@@ -11,6 +11,8 @@ public:
     Field(const Cursor &cursor, const std::vector<std::string> &namespaces, const Class &parent);
 
     ~Field() override = default;
+    bool IsConst() const override;
+    bool IsStatic() const;
 
     std::string ToString() const override;
     std::string TypeName() const override;
diff --git a/src/types/method.cc b/src/types/method.cc
index e02a5c2..e40f157 100644
--- a/src/types/method.cc
+++ b/src/types/method.cc
@@ -46,4 +46,10 @@ Method::IsConst() const
     return clang_CXXMethod_isConst(cursor_.handle());
 };
 
+bool
+Method::IsStatic() const
+{
+    return clang_CXXMethod_isStatic(cursor().handle());
+}
+
 }// namespace meta
diff --git a/src/types/method.h b/src/types/method.h
index c1a6413..7f5159a 100644
--- a/src/types/method.h
+++ b/src/types/method.h
@@ -14,6 +14,7 @@ public:
     std::string TypeName() const override;
 
     bool IsConst() const override;
+    bool IsStatic() const;
 
     CursorType return_type() const { return return_type_; }
 
diff --git a/template/class_proxy_include.inja b/template/class_proxy_include.inja
index a17a6cf..56d198d 100644
--- a/template/class_proxy_include.inja
+++ b/template/class_proxy_include.inja
@@ -2,15 +2,22 @@
 #ifndef META_GEN_{{class_name}}_PROXY_H
 #define META_GEN_{{class_name}}_PROXY_H
 
-#include "runtime/reflection.h"
+#include "test.h"
 
-namespace meta {
-namespace reflection {
+// namespace meta {
+// namespace reflection {
 
-class {{class_name}}_Class : public ::meta::reflection::Class {
+class ::{{class_namespace}}::{{class_name}}::{{class_name}}_Class : public ::meta::reflection::Class {
+public:
+    {{class_name}}_Class();
+    static void Register();
+private:
+    void AddBaseClassProxy(std::shared_ptr<::meta::reflection::Class> base) ;
+    void AddMethodProxy(std::shared_ptr<::meta::reflection::Method> method) ;
+    void AddFieldProxy(std::shared_ptr<::meta::reflection::Field> field) ;
 };
 
-class {{class_name}}_Field : public ::meta::reflection::Field {
+class ::{{class_namespace}}::{{class_name}}::{{class_name}}_Field : public ::meta::reflection::Field {
 public:
     {{class_name}}_Field(const std::string& name, std::shared_ptr<::meta::reflection::Class> parent);
 
@@ -19,16 +26,16 @@ protected:
     void SetImpl(void* instance, const ::meta::reflection::any& value) const override;
 };
 
-class {{class_name}}_Method : public ::meta::reflection::Method {
+class ::{{class_namespace}}::{{class_name}}::{{class_name}}_Method : public ::meta::reflection::Method {
 public:
     {{class_name}}_Method(const std::string& name, std::shared_ptr<::meta::reflection::Class> parent);
 
 protected:
-    ::meta::reflection::any InvokeImpl(void* instance, const std::vector<void *> &params) const override;
+    ::meta::reflection::any InvokeImpl(void* instance, const std::vector<::meta::reflection::any> &params) const override;
 };
 
-} // namespace reflection
-} // namespace meta
+// } // namespace reflection
+// } // namespace meta
 
 #endif // META_GEN_{{class_name}}_PROXY_H
 
diff --git a/template/class_proxy_source.inja b/template/class_proxy_source.inja
index f11999e..6519824 100644
--- a/template/class_proxy_source.inja
+++ b/template/class_proxy_source.inja
@@ -1,31 +1,69 @@
-#include "{{class_name}}.gen.h"
-#include <string.h>
+#include "{{to_lower(class_name)}}.gen.h"
+#include <memory>
+
+/**
+ * Class
+ **/
+{{class_namespace}}::{{class_name}}::{{class_name}}_Class::{{class_name}}_Class() 
+: ::meta::reflection::Class("{{class_namespace}}::{{class_name}}", nullptr)
+{
+}
+
+void {{class_namespace}}::{{class_name}}::{{class_name}}_Class::Register() {
+    auto self = new {{class_namespace}}::{{class_name}}::{{class_name}}_Class();
+    auto clz = std::shared_ptr<::meta::reflection::Class>(self);
+    // self->AddBaseClassProxy();
+
+{% for method in class_methods %}
+    self->AddMethod(std::make_shared<{{class_namespace}}::{{class_name}}::{{class_name}}_Method>("{{method.name}}", clz));
+{% endfor %}
+
+{% for field in class_fields %}
+    self->AddField(std::make_shared<{{class_namespace}}::{{class_name}}::{{class_name}}_Field>("{{field.name}}", clz));
+{% endfor %}
+
+    ::meta::reflection::Registry::Instance()->RegisterClass(clz);
+}
+void {{class_namespace}}::{{class_name}}::{{class_name}}_Class::AddBaseClassProxy(std::shared_ptr<::meta::reflection::Class> base) {
+    AddBaseClass(base);
+}
+void {{class_namespace}}::{{class_name}}::{{class_name}}_Class::AddMethodProxy(std::shared_ptr<::meta::reflection::Method> method) {
+    AddMethod(method);
+}
+void {{class_namespace}}::{{class_name}}::{{class_name}}_Class::AddFieldProxy(std::shared_ptr<::meta::reflection::Field> field)  {
+    AddField(field);
+}
 
-namespace meta {
-namespace reflection {
 
 /**
  * Field
  **/
 
-{{class_name}}_Field::{{class_name}}_Field(
+{{class_namespace}}::{{class_name}}::{{class_name}}_Field::{{class_name}}_Field(
     const std::string& name, 
     std::shared_ptr<::meta::reflection::Class> parent) 
 : ::meta::reflection::Field(name, parent) {}
 
-::meta::reflection::any GetImpl(void* instance) const {
+::meta::reflection::any {{class_namespace}}::{{class_name}}::{{class_name}}_Field::GetImpl(void* instance) const {
     ::{{class_namespace}}::{{class_name}}* obj = (::{{class_namespace}}::{{class_name}}*)instance;
 
 {% for field in class_fields %}
-    if (strcmp(name().c_str(), "{{field.name}}") == 0) { return obj->{{field.name}}; }
+    if (strcmp(Name().c_str(), "{{field.name}}") == 0) {
+        {% if field.is_static %}
+        return ::{{class_namespace}}::{{class_name}}::{{field.name}};
+        {% else %}
+        return obj->{{field.name}}; 
+        {% endif %}
+    }
 {% endfor %}
+    return ::meta::reflection::any{};
 }
 
-void SetImpl(void* instance, const ::meta::reflection::any& value) const {
+void {{class_namespace}}::{{class_name}}::{{class_name}}_Field::SetImpl(void* instance, const ::meta::reflection::any& value) const {
     ::{{class_namespace}}::{{class_name}}* obj = (::{{class_namespace}}::{{class_name}}*)instance;
 {% for field in class_fields %}
 {% if not field.is_const %}
-    if(strcmp(name().c_str(), "{{field.name}}") == 0) { obj->{{field.name}} = value.as<{{field.type}}>();}
+    if(strcmp(Name().c_str(), "{{field.name}}") == 0) { obj->{{field.name}} = ::meta::reflection::any_cast<{{field.type}}>(value);}
 {% endif %}
 {% endfor %}
 }
@@ -35,44 +73,42 @@ void SetImpl(void* instance, const ::meta::reflection::any& value) const {
 /**
  * Method
  **/
-{{class_name}}_Method::{{class_name}}_Method(
+{{class_namespace}}::{{class_name}}::{{class_name}}_Method::{{class_name}}_Method(
     const std::string& name, 
     std::shared_ptr<::meta::reflection::Class> parent) 
 : ::meta::reflection::Method(name, parent) {}
 
-::meta::reflection::any InvokeImpl(void* instance, const std::vector<void *> &params) const {
+::meta::reflection::any {{class_namespace}}::{{class_name}}::{{class_name}}_Method::InvokeImpl(void* instance, const std::vector<::meta::reflection::any> &params) const {
     ::{{class_namespace}}::{{class_name}}* obj = (::{{class_namespace}}::{{class_name}}*)instance;
 
 {% for method in class_methods %}
-    {# start if(, else if(, #}
-    {% if loop.is_first %}
-    if (strcmp(name.c_str(), "{{method.name}}") == 0) {
-    {% else %}
-    } else if (strcmp(name.c_str(), "{{method.name}}") == 0) {
-    {% endif %}
-
+    if (strcmp(Name().c_str(), "{{method.name}}") == 0) {
     {% if method.return_type != "void" %}
-        return obj->{{method.name}}(
+        return 
+        {% if method.is_static %}
+        ::{{class_namespace}}::{{class_name}}::
+        {% else %}
+        obj->
+        {% endif %}{{method.name}}(
             {% for param in method.params%}
-                *({{param.type}}*)params[{{loop.index}}]{% if not loop.is_last %}, {% endif %}
+                ::meta::reflection::any_cast<{{param.type}}>(params[{{loop.index}}]){% if not loop.is_last %}, {% endif %}
             {% endfor %}
         );
     {% else %}
-        obj->{{method.name}}(
+        {% if method.is_static %}
+        ::{{class_namespace}}::{{class_name}}::
+        {% else %}
+        obj->
+        {%endif%}}
+        {{method.name}}(
             {% for param in method.params%}
-                *({{param.type}}*)params[{{loop.index}}]{% if not loop.last %}, {% endif %}
+                ::meta::reflection::any_cast<{{param.type}}>(params[{{loop.index}}]){% if not loop.last %}, {% endif %}
             {% endfor %}
         );
-        return;
+        return ::meta::reflection::any{};
     {% endif %}
-
-    {% if loop.is_last %}
     }
-    {% endif %}
-
 {% endfor %}
+    return ::meta::reflection::any{};
 }
 
-} // namespace reflection
-} // namespace meta
-