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

内核源代码/StgSharp.Script/Express/Element/ExpEntity.cs

@@ -40,9 +40,22 @@ namespace StgSharp.Script.Express
         public ExpEntity( string name, ExpSchema context )
             : base( name, context ) { }
 
+        public override ExpToken Left => throw new NotImplementedException();
+
+        public override ExpToken Right => throw new NotImplementedException();
+
+        public override ExpToken Next
+        {
+            get => throw new NotImplementedException();
+            set => throw new NotImplementedException();
+        }
+
+        public override IExpElementSource EqualityTypeConvert => throw new NotImplementedException(
+            );
+
     }
 
-    public class ExpEntitySource : IExpInstantiableElement
+    public class ExpEntitySource : ExpInstantiableElementBase
     {
 
         private ExpExpressionTree _expressionTree;
@@ -55,18 +68,23 @@ namespace StgSharp.Script.Express
             _source = provider;
         }
 
-        public ExpElementType ElementType => ExpElementType.Entity;
+        public override ExpElementType ElementType => ExpElementType.Entity;
 
-        public IScriptSourceProvider SourceProvider => _source;
+        public override IScriptSourceProvider SourceProvider => _source;
 
-        public string Name => _name;
+        public override string Name => _name;
 
-        public void Analyse()
+        public override void Analyse()
         {
             throw new NotImplementedException();
         }
 
-        public ExpToken CreateInstanceToken()
+        public override ExpToken CreateInstanceToken()
+        {
+            throw new NotImplementedException();
+        }
+
+        public override bool IsConvertable( IExpElementSource targetType )
         {
             throw new NotImplementedException();
         }