Antlr4.Runtime.Atn.ParserATNSimulator.GetPredicatePredictions C# (CSharp) Метод

        protected PredPrediction[] GetPredicatePredictions(BitSet ambigAlts,
																 SemanticContext[] altToPred)
        {
            List<PredPrediction> pairs = new List<PredPrediction>();
            bool containsPredicate = false;
            for (int i = 1; i < altToPred.Length; i++)
            {
                SemanticContext pred = altToPred[i];

                // unpredicated is indicated by SemanticContext.NONE

                if (ambigAlts != null && ambigAlts[i])
                {
                    pairs.Add(new PredPrediction(pred, i));
                }
                if (pred != SemanticContext.NONE) containsPredicate = true;
            }

            if (!containsPredicate)
            {
                return null;
            }

            //		Console.WriteLine(Arrays.toString(altToPred)+"->"+pairs);
            return pairs.ToArray();
        }