feat update

CMakeLists.txt

@@ -17,7 +17,8 @@ add_executable(meta
 set(CLANG_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/LLVM/include")
 
 if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
-    message(FATAL "${CMAKE_SYSTEM_NAME} is not supported")
+    set(CLANG_LIB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/LLVM/bin/Linux")
+    set(CLANG_LIB_LIBRARIES "${CLANG_LIB_DIR}/libclang.so.12")
 elseif (CMAKE_SYSTEM_NAME STREQUAL "Windows")
     message(FATAL "${CMAKE_SYSTEM_NAME} is not supported")
 elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
@@ -30,5 +31,5 @@ elseif (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
     endif()
 endif()
 
-target_include_directories(meta PRIVATE ${CLANG_INCLUDE_DIR} src)
+target_include_directories(meta PRIVATE ${CLANG_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src)
 target_link_libraries(meta PRIVATE sled ${CLANG_LIB_LIBRARIES})

runtime/reflection.cc

@@ -0,0 +1,11 @@
+#include "reflection.h"
+
+namespace meta {
+std::atomic<int> next_type_id{0};
+
+void
+NoOp(void *)
+{}
+
+Object::Object() : id_(GetTypeId<void>()), data_(nullptr), deleter_(NoOp) {}
+}// namespace meta

runtime/reflection.h

@@ -0,0 +1,61 @@
+#pragma once
+#ifndef META_RUNTIME_REFLECTION_H
+#define META_RUNTIME_REFLECTION_H
+#include <atomic>
+#include <functional>
+#include <sled/any.h>
+#include <string>
+#include <typeindex>
+#include <vector>
+
+namespace meta {
+#define __REFLECTION_PARSER_
+#if defined(__REFLECTION_PARSER_)
+#define CLASS(class_name, ...)                                                 \
+    class __attribute__((annotate(#__VA_ARGS__))) class_name
+#define STRUCT(struct_name, ...)                                               \
+    struct __attribute__((annotate(#__VA_ARGS__))) struct_name
+#else
+#define META(...)
+#define CLASS(class_name, ...) class class_name
+#define STRUCT(struct_name, ...) struct struct_name
+#endif// __REFLECTION_PARSER_
+
+#define REFLECTION_BODY(class_name)
+
+#define REFLECT_TYPE(class_name)
+
+class TypeInterface {
+public:
+    virtual std::string name() const = 0;
+};
+
+class Class;
+
+class Method : public TypeInterface {
+public:
+    virtual std::string name() = 0;
+
+    template<typename ReturnT, typename... Args>
+    ReturnT Invoke(void *instance, Args... args) const
+    {
+        std::vector<sled::any> arguments = {args...};
+        return sled::any_cast<ReturnT>(
+            std::forward<sled::any>(Invoke(instance, arguments)));
+    }
+
+    sled::any Invoke(void *instance, std::vector<sled::any> &args) const
+    {
+        return InvokeImpl(instance, args);
+    }
+
+protected:
+    virtual sled::any InvokeImpl(void *instance,
+                                 std::vector<sled::any> &args) const = 0;
+};
+
+class Field;
+
+}// namespace meta
+
+#endif// META_RUNTIME_REFLECTION_H

src/clang/cursor.h

@@ -11,7 +11,7 @@ public:
     using List = std::vector<Cursor>;
     using Visitor = CXCursorVisitor;
 
-    Cursor(const CXCursor& handle);
+    Cursor(const CXCursor &handle);
 
     CXCursorKind GetKind(void);
     std::string GetSpelling(void) const;
@@ -20,13 +20,12 @@ public:
     bool IsDefinition(void) const;
     CursorType GetType(void) const;
     List GetChildren(void) const;
-    void VisitChildren(Visitor visitor, void* data) const;
+    void VisitChildren(Visitor visitor, void *data) const;
 
 private:
     CXCursor handle_;
 };
 
+}// namespace meta
 
-} // namespace meta;
-
-#endif // META_CLANG_CURSOR_H
+#endif// META_CLANG_CURSOR_H

src/clang/cursor_type.h

@@ -9,12 +9,15 @@ extern "C" {
 }
 #endif
 
+#include <string>
 #include <vector>
+
 namespace meta {
 class Cursor;
+
 class CursorType {
 public:
-    CursorType(const CXType& handle);
+    CursorType(const CXType &handle);
 
     std::string GetDisplayName(void) const;
     int GetArgumentCount(void) const;
@@ -27,8 +30,5 @@ public:
 private:
     CXType handle_;
 };
-}
-#endif // META_CLANG_CURSOR_TYPE_H
-
-        
-
+}// namespace meta
+#endif// META_CLANG_CURSOR_TYPE_H

src/language_types/field.h

@@ -0,0 +1,15 @@
+#pragma once
+#ifndef META_LANGUAGE_TYPES_FIELD_H
+#define META_LANGUAGE_TYPES_FIELD_H
+#include "type.h"
+
+namespace meta {
+class Field : public TypeInfo {
+public:
+    virtual bool IsReadable() const;
+    virtual bool IsWritable() const;
+    virtual void *GetValue(void *instance) const;
+    virtual void SetValue(void *instance, void *value);
+};
+}// namespace meta
+#endif// META_LANGUAGE_TYPES_FIELD_H

src/language_types/type.h

@@ -0,0 +1,14 @@
+#pragma once
+#ifndef META_LANGUAGE_TYPES_TYPE_H
+#define META_LANGUAGE_TYPES_TYPE_H
+
+#include <string>
+
+class TypeInfo {
+public:
+    virtual ~TypeInfo() = default;
+    virtual std::string name() const = 0;
+    virtual std::string qualified_name() const = 0;
+};
+
+#endif//  META_LANGUAGE_TYPES_TYPE_H

src/main.cc

@@ -1,21 +1,25 @@
-#include <sled/log/log.h>
 #include "clang/cursor.h"
+#include <sled/log/log.h>
 
-const char* kTag = "main";
+const char *kTag = "main";
 
-int main(int argc, char* argv[]) {
+int
+main(int argc, char *argv[])
+{
     LOGI(kTag, "");
-    CXIndex index  = clang_createIndex(0, 0);
-    CXTranslationUnit unit = clang_parseTranslationUnit(index, "/tmp/main.cc", nullptr, 0, nullptr, 0, CXTranslationUnit_None);
+    CXIndex index = clang_createIndex(0, 0);
+    CXTranslationUnit unit = clang_parseTranslationUnit(
+        index, "/tmp/main.cc", nullptr, 0, nullptr, 0, CXTranslationUnit_None);
 
     CXString file_name = clang_getTranslationUnitSpelling(unit);
     LOGI(kTag, "file_name={}", clang_getCString(file_name));
 
     meta::Cursor cursor = clang_getTranslationUnitCursor(unit);
-    for (auto& child : cursor.GetChildren()) {
+    for (auto &child : cursor.GetChildren()) {
         auto kind = child.GetKind();
 
-        if (child.IsDefinition() && (kind == CXCursor_ClassDecl || kind == CXCursor_StructDecl)) {
+        if (child.IsDefinition()
+            && (kind == CXCursor_ClassDecl || kind == CXCursor_StructDecl)) {
             LOGV(kTag, "class={}", child.GetDisplayName());
         }
     }

src/meta/meta_info.h

@@ -8,13 +8,16 @@
 namespace meta {
 class MetaInfo {
 public:
-        MetaInfo(const Cursor& cursor);
-            std::string GetProperty(const std::string& key) const;
-            bool GetFlag(const std::string& key) const;
-        private:
-            using Property = std::pair<std::string, std::string> ;
-            std::unordered_map<std::string, Property> properties_;
-    };
-}
+    MetaInfo(const Cursor &cursor);
+    std::string GetProperty(const std::string &key) const;
+    bool GetFlag(const std::string &key) const;
 
-#endif // META_CLANG_META_INFO_H
+private:
+    using Property = std::pair<std::string, std::string>;
+    std::unordered_map<std::string, Property> properties_;
+
+    std::vector<Property> ExtractProperties(const Cursor &cursor) const;
+};
+}// namespace meta
+
+#endif// META_CLANG_META_INFO_H

src/parser/parser.h

@@ -0,0 +1,18 @@
+#pragma once
+#ifndef META_CLANG_PARSER_PARSER_H
+#define META_CLANG_PARSER_PARSER_H
+#include <clang-c/Index.h>
+#include <string>
+
+namespace meta {
+class MetaParser {
+public:
+    MetaParser(const std::string &file_name);
+    ~MetaParser();
+
+private:
+    CXIndex index_;
+    CXTranslationUnit translation_unit_;
+};
+}// namespace meta
+#endif// META_CLANG_PARSER_PARSER_H