[Impl] 增加 prettyType,返回TypeInfo的FString, StructInstance自动输出父类TypeInfo

src/Value/Type.hpp

@@ -43,7 +43,7 @@ namespace Fig
             return id == other.id;
         }
     };
-
+    
     class TypeInfoHash
     {
     public:

src/Value/value.cpp

@@ -69,6 +69,14 @@ namespace Fig
         }
     }
 
+    FString prettyType(ObjectPtr obj)
+    {
+        auto t = obj->getTypeInfo();
+        if (t == ValueType::StructInstance)
+            return obj->as<StructInstance>().parentType.toString();
+        return t.toString();
+    }
+
     const TypeInfo ValueType::Any(FString(u8"Any"), true);           // id: 1
     const TypeInfo ValueType::Null(FString(u8"Null"), true);         // id: 2
     const TypeInfo ValueType::Int(FString(u8"Int"), true);           // id: 3

src/Value/value.hpp

@@ -33,6 +33,8 @@ namespace Fig
     using ObjectPtr = std::shared_ptr<Object>;
     using List = std::vector<ObjectPtr>;
 
+    FString prettyType(ObjectPtr obj);
+
     struct ValueKey
     {
         ObjectPtr value;