暂时实现了简陋的脚本AST分析解释，后面再绑定到控件上

Serein.Script/Node/ClassTypeDefinitionNode.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    /// <summary>
+    /// 动态类型定义
+    /// </summary>
+    public class ClassTypeDefinitionNode : ASTNode
+    {
+        public string ClassName { get; }
+        public Dictionary<string, Type> Fields { get; }
+
+        public ClassTypeDefinitionNode(Dictionary<string, Type> fields, string className)
+        {
+            this.Fields = fields;
+            this.ClassName = className;
+        }
+    }
+
+}