Antlr.Runtime.BaseRecognizer.GetRuleMemoizationCacheSize C# (CSharp) Method

        public virtual int GetRuleMemoizationCacheSize()
        {
            int n = 0;
            for ( int i = 0; state.ruleMemo != null && i < state.ruleMemo.Length; i++ )
            {
                var ruleMap = state.ruleMemo[i];
                if ( ruleMap != null )
                {
                    n += ruleMap.Count; // how many input indexes are recorded?
                }
            }
            return n;
        }