daily update on 20250214 by nitload youmu, building syntax analysor, tough！

内核源代码/StgSharp.Script/IExpressionToken.cs

@@ -29,6 +29,7 @@
 //-----------------------------------------------------------------------
 //-----------------------------------------------------------------------
 using StgSharp.Collections;
+using StgSharp.Script.Express;
 
 using System;
 using System.Collections;
@@ -37,7 +38,9 @@ using System.Text;
 
 namespace StgSharp.Script
 {
-    public interface IExpressionToken
+    public interface IExpressionToken<TToken, TType>
+        where TToken: IExpressionToken<TToken, TType>
+        where TType: ITypeSource<TType>
     {
 
         long TokenTypeCode
@@ -50,7 +53,28 @@ namespace StgSharp.Script
             get;
         }
 
-        bool TryGetNextLevel( out ICollection<IExpressionToken> nextLevel );
+        TToken Next
+        {
+            get;
+            set;
+        }
+
+        TToken Left
+        {
+            get;
+        }
+
+        TToken Right
+        {
+            get;
+        }
+
+        TType EqualityTypeConvert
+        {
+            get;
+        }
+
+        void AppendToken( TToken nextToken );
 
     }
 }