Irony.Parsing.ParsingContext.Reset C# (CSharp) Метод

    internal void Reset() {
      CurrentParserState = Parser.InitialState; 
      CurrentParserInput = null;
      ParserStack.Clear();
      HasErrors = false; 
      ParserStack.Push(new ParseTreeNode(CurrentParserState));
      ParserInputStack.Clear();
      CurrentParseTree = null;
      OpenBraces.Clear();
      ParserTrace.Clear();
      CurrentTerminals.Clear(); 
      CurrentToken = null;
      PreviousToken = null; 
      PreviousLineStart = new SourceLocation(0, -1, 0); 
      BufferedTokens.Clear();
      PreviewTokens.Clear(); 
      Values.Clear();          
      foreach (var filter in TokenFilters)
        filter.Reset();
    }