Grammar refactoring

* Grammar refactoring WIP

* ISerializer.grammar

* Fixing various bugs in the grammar

* Small touch that improoves performance

* Fix unknown values grammar

* Various fixes

* Serialization refactoring to drop suboject logic

* Details fixed

* Entity attributes initialization refactoring

* JSDoc error fixed

* Rename value key to default

* Remove useless default

* Revert string keys

js/entity/VariableReferenceEntity.js

@@ -5,15 +5,17 @@ export default class VariableReferenceEntity extends IEntity {
 
     static attributes = {
         MemberScope: {
-            value: "",
+            default: "",
             showDefault: false,
         },
-        MemberName: "",
+        MemberName: {
+            default: "",
+        },
         MemberGuid: {
             type: GuidEntity,
         },
         bSelfContext: {
-            value: false,
+            default: false,
             showDefault: false,
         },
     }