private void SetFinalStateAndCreateAcceptAction()
{
//Find final state: find final shift from initial state over grammar root; create accept action in final state on EOF
var lastShiftAction = Data.InitialState.Actions[_grammar.Root];
Data.FinalState = lastShiftAction.NewState;
Data.FinalState.Actions[_grammar.Eof] = ParserAction.CreateAccept();
}