Daily update on 20250313-044921 by Nitload Youmu. Additional Message : Parser to TokenFlag.Member, improvement of exiting StgSharp platform

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>

StgSharp.Script/Express/Element/ExpConst.cs

@@ -33,6 +33,7 @@ using System.Collections;
 using System.Collections.Frozen;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Linq.Expressions;
 using System.Runtime.CompilerServices;
 using System.Text;
 
@@ -88,6 +89,17 @@ namespace StgSharp.Script.Express
             return _constants.TryGetValue( name, out instance );
         }
 
+        public override bool TryGetMember( string name, out ExpNode memberNode )
+        {
+            if( _constants.TryGetValue( name,
+                                        out ExpElementInstanceBase? node ) ) {
+                memberNode = node;
+                return true;
+            }
+            memberNode = ExpNode.Empty;
+            return false;
+        }
+
         internal void AddConstant( string name, ExpElementInstanceBase value )
         {
             _constants.Add( name, value );

StgSharp.Script/Express/Element/ExpEntity.cs

@@ -63,5 +63,10 @@ namespace StgSharp.Script.Express
             throw new NotImplementedException();
         }
 
+        public override bool TryGetMember( string name, out ExpNode memberNode )
+        {
+            throw new NotImplementedException();
+        }
+
     }
 }

StgSharp.Script/Express/Element/ExpFunction.cs

@@ -75,5 +75,11 @@ namespace StgSharp.Script.Express
             throw new NotImplementedException();
         }
 
+        public override bool TryGetMember( string name, out ExpNode memberNode )
+        {
+            memberNode = ExpNode.Empty;
+            return false;
+        }
+
     }
 }

StgSharp.Script/Express/Element/ExpRule.cs

@@ -84,5 +84,11 @@ namespace StgSharp.Script.Express
             throw new NotImplementedException();
         }
 
+        public override bool TryGetMember( string name, out ExpNode memberNode )
+        {
+            memberNode = ExpNode.Empty;
+            return false;
+        }
+
     }
 }

StgSharp.Script/Express/Element/ExpType.cs

@@ -77,7 +77,7 @@ namespace StgSharp.Script.Express
             throw new NotImplementedException();
         }
 
-        public override ExpNode CreateInstanceNode()
+        public override ExpElementInstanceNode CreateInstanceNode()
         {
             throw new NotImplementedException();
         }
@@ -87,6 +87,12 @@ namespace StgSharp.Script.Express
             return type == null || type == ExpVoidType.Only;
         }
 
+        public override bool TryGetMember( string name, out ExpNode memberNode )
+        {
+            memberNode = ExpNode.Empty;
+            return false;
+        }
+
         private class ExpVoidType : ExpTypeSource
         {