Antlr3.Analysis.DecisionProbe.GetDFAPathStatesToTarget C# (CSharp) Method

        protected virtual HashSet<object> GetDFAPathStatesToTarget( DFAState targetState )
        {
            HashSet<object> dfaStates = new HashSet<object>();
            _stateReachable = new Dictionary<int, Reachable>();
            if ( _dfa == null || _dfa.StartState == null )
            {
                return dfaStates;
            }

            bool reaches = ReachesState( _dfa.StartState, targetState, dfaStates );
            return dfaStates;
        }