Antlr4.Tool.Alternative.ResolvesToToken C# (CSharp) Method

        public virtual bool ResolvesToToken(string x, ActionAST node)
        {
            if (tokenRefs.ContainsKey(x) && tokenRefs[x] != null)
                return true;

            LabelElementPair anyLabelDef = GetAnyLabelDef(x);
            if (anyLabelDef != null && anyLabelDef.type == LabelType.TOKEN_LABEL)
                return true;

            return false;
        }