Add code

ScriptConverter/Ast/Expressions/FieldExpression.cs

@@ -0,0 +1,29 @@
+using ScriptConverter.Parser;
+
+namespace ScriptConverter.Ast.Expressions
+{
+    class FieldExpression : Expression
+    {
+        public Expression Left { get; private set; }
+        public string Name { get; private set; }
+
+        public FieldExpression(Expression left, ScriptToken name)
+            : base(left.Start, name)
+        {
+            Left = left;
+            Name = name.Contents;
+        }
+
+        public override TExpr Accept<TDoc, TDecl, TStmt, TExpr>(IAstVisitor<TDoc, TDecl, TStmt, TExpr> visitor)
+        {
+            return visitor.Visit(this);
+        }
+
+        public override void SetParent(Expression parent)
+        {
+            Parent = parent;
+
+            Left.SetParent(this);
+        }
+    }
+}