36     using ParseTree = Antlr.Runtime.Tree.ParseTree;  typedef
47         Stack<ParseTree> callStack = new Stack<ParseTree>();
53             ParseTree root = Create( "<grammar " + grammarName + ">" );  in ParseTreeBuilder()
57         public virtual ParseTree Tree
70         public virtual ParseTree Create( object payload )  in Create()
72             return new ParseTree( payload );  in Create()
75         public virtual ParseTree EpsilonNode()  in EpsilonNode()
94             ParseTree parentRuleNode = callStack.Peek();  in EnterRule()
95             ParseTree ruleNode = Create( ruleName );  in EnterRule()
104             ParseTree ruleNode = callStack.Peek();  in ExitRule()
116             ParseTree ruleNode = callStack.Peek();  in ConsumeToken()
117             ParseTree elementNode = Create( token );  in ConsumeToken()
134             ParseTree ruleNode = callStack.Peek();  in RecognitionException()
135             ParseTree errorNode = Create( e );  in RecognitionException()