diff --git a/Implab/JSON/JSONParser.cs b/Implab/JSON/JSONParser.cs
--- a/Implab/JSON/JSONParser.cs
+++ b/Implab/JSON/JSONParser.cs
@@ -250,6 +250,15 @@ namespace Implab.JSON {
         ~JSONParser() {
             Dispose(false);
         }
+
+        public void Skip() {
+            var level = Level-1;
+
+            Debug.Assert(level >= 0);
+
+            while (Level != level)
+                Read();
+        }
     }
 
 }
diff --git a/Implab/Parsing/DFAutomaton.cs b/Implab/Parsing/DFAutomaton.cs
--- a/Implab/Parsing/DFAutomaton.cs
+++ b/Implab/Parsing/DFAutomaton.cs
@@ -20,7 +20,7 @@ namespace Implab.Parsing {
         protected ContextFrame m_context;
         Stack<ContextFrame> m_contextStack = new Stack<ContextFrame>();
 
-        public int Level {
+        protected int Level {
             get { return m_contextStack.Count; }
         }