Antlr4.Runtime.Atn.LexerATNSimulator.ComputeTargetState C# (CSharp) Метод

        protected DFAState ComputeTargetState(ICharStream input, DFAState s, int t)
        {
            ATNConfigSet reach = new OrderedATNConfigSet();

            // if we don't find an existing DFA state
            // Fill reach starting from closure, following t transitions
            GetReachableConfigSet(input, s.configSet, reach, t);

            if (reach.Empty)
            { // we got nowhere on t from s
                if (!reach.hasSemanticContext)
                {
                    // we got nowhere on t, don't throw out this knowledge; it'd
                    // cause a failover from DFA later.
                    AddDFAEdge(s, t, ERROR);
                }

                // stop when we can't match any more char
                return ERROR;
            }

            // Add an edge from s to target DFA found/created for reach
            return AddDFAEdge(s, t, reach);
        }