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/ExpNodeGenerator.cs

@@ -37,6 +37,8 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
+using ExpKeyWord = StgSharp.Script.Express.ExpCompile.KeyWord;
+
 namespace StgSharp.Script.Express
 {
     public partial class ExpNodeGenerator
@@ -58,6 +60,8 @@ namespace StgSharp.Script.Express
             _cache = new CompileStack<ExpNode, IExpElementSource>();
         }
 
+        /**/
+
         /// <summary>
         /// Append a token to top of cache. This method will automatically convert token to node if
         /// meets separators or operators.
@@ -65,6 +69,7 @@ namespace StgSharp.Script.Express
         public void AppendToken( Token expToken )
         {
             switch( expToken.Flag ) {
+                // operand, check precedence and push
                 case TokenFlag.Symbol_Unary or TokenFlag.Symbol_Binary:
                     int cmp = -1;
                     processPrecedence:
@@ -76,17 +81,37 @@ namespace StgSharp.Script.Express
                     }
                     _cache.PushOperand( expToken );
                     break;
+
+                // literal, construxt and ppush
                 case TokenFlag.Number or TokenFlag.String:
                     _cache.PushOperand( expToken );
                     break;
+
+                // instance ref, make ref and push
+                // function call, push as operator
+                // keyword, call TryParseKeyWord method to process
+                // name of member in instance, parse as MemberNameNode
                 case TokenFlag.Member:
                     if( _context.TryGetFunction( expToken.Value, out _ ) ) {
                         _cache.PushOperator( expToken );
-                    } else { }
+                    } else if( _local.TryGetMember(
+                               expToken.Value, out ExpNode? node ) ) {
+                        if( node is ExpElementInstanceBase instance ) {
+                            _cache.PushOperand(
+                                instance.MakeReference( expToken ) );
+                            return;                                             // ref of an instance
+                        }
+                    } else if( TryParseKeyWord( expToken ) ) {
+                        return;
+                    } else {
+                        _cache.PushOperand(
+                            new ExpElementMemberNameNode( expToken ) );
+                    }
                     break;
                 case TokenFlag.Separator_Single:         //a , ; found
                     // if operator stack is not empty, convert all operators to node until meet a same separator
                     // or OperandAheadOfSeparator property is less than certain value
+                    _cache.PushOperator( expToken );
                     break;
                 case TokenFlag.Separator_Left:           //a ( [ { found
                     // check if the last token is a function name, loop block or branch
@@ -110,6 +135,8 @@ namespace StgSharp.Script.Express
             if( _cache.PopOperand( out Token t, out ExpNode? n ) ) {
                 return n;
             } else { }
+
+            throw new NotImplementedException();
         }
 
         /// <summary>
@@ -134,5 +161,20 @@ namespace StgSharp.Script.Express
             }
         }
 
+        private bool TryParseKeyWord( Token t )
+        {
+            if( t.Value == ExpKeyWord.True ) {
+                _cache.PushOperand( new ExpBoolNode( t, true ) );
+                return true;
+            } else if( t.Value == ExpKeyWord.False ) {
+                _cache.PushOperand( new ExpBoolNode( t, false ) );
+                return true;
+            } else if( true ) {
+                throw new NotImplementedException();
+            }
+            return false;
+        }
+
+        /**/
     }
 }