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From synhers...@apache.org
Subject [32/50] [abbrv] lucenenet git commit: Moved Lucene.Net.QueryParser and Lucene.Net.Tests.QueryParser projects into src\ directory.
Date Sun, 11 Sep 2016 21:31:03 GMT
http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Parser/QueryParser.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Parser/QueryParser.cs b/Lucene.Net.QueryParser/Surround/Parser/QueryParser.cs
deleted file mode 100644
index 49ef7d4..0000000
--- a/Lucene.Net.QueryParser/Surround/Parser/QueryParser.cs
+++ /dev/null
@@ -1,912 +0,0 @@
-using Lucene.Net.QueryParser.Surround.Query;
-using System;
-using System.Collections.Generic;
-using System.IO;
-
-namespace Lucene.Net.QueryParser.Surround.Parser
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-
-    /// <summary>
-    /// This class is generated by JavaCC.  The only method that clients should need
-    /// to call is {@link #parse parse()}.
-    ///
-
-    /// <p>This parser generates queries that make use of position information
-    ///   (Span queries). It provides positional operators (<code>w</code> and
-    ///   <code>n</code>) that accept a numeric distance, as well as boolean
-    ///   operators (<code>and</code>, <code>or</code>, and <code>not</code>,
-    ///   wildcards (<code>///</code> and <code>?</code>), quoting (with
-    ///   <code>"</code>), and boosting (via <code>^</code>).</p>
-
-    ///  <p>The operators (W, N, AND, OR, NOT) can be expressed lower-cased or
-    ///   upper-cased, and the non-unary operators (everything but NOT) support
-    ///   both infix <code>(a AND b AND c)</code> and prefix <code>AND(a, b,
-    ///   c)</code> notation. </p>
-
-    ///  <p>The W and N operators express a positional relationship among their
-    ///  operands.  N is ordered, and W is unordered.  The distance is 1 by
-    ///  default, meaning the operands are adjacent, or may be provided as a
-    ///  prefix from 2-99.  So, for example, 3W(a, b) means that terms a and b
-    ///  must appear within three positions of each other, or in other words, up
-    ///  to two terms may appear between a and b.  </p>
-    /// </summary>
-    public class QueryParser
-    {
-        internal readonly int minimumPrefixLength = 3;
-        internal readonly int minimumCharsInTrunc = 3;
-        internal readonly string truncationErrorMessage = "Too unrestrictive truncation: ";
-        internal readonly string boostErrorMessage = "Cannot handle boost value: ";
-
-        /* CHECKME: These should be the same as for the tokenizer. How? */
-        internal readonly char truncator = '*';
-        internal readonly char anyChar = '?';
-        internal readonly char quote = '"';
-        internal readonly char fieldOperator = ':';
-        internal readonly char comma = ','; /* prefix list separator */
-        internal readonly char carat = '^'; /* weight operator */
-
-        public static SrndQuery Parse(string query)
-        {
-            QueryParser parser = new QueryParser();
-            return parser.Parse2(query);
-        }
-
-        public QueryParser()
-            : this(new FastCharStream(new StringReader("")))
-        {
-        }
-
-        public virtual SrndQuery Parse2(string query)
-        {
-            ReInit(new FastCharStream(new StringReader(query)));
-            try
-            {
-                return TopSrndQuery();
-            }
-            catch (TokenMgrError tme)
-            {
-                throw new ParseException(tme.Message);
-            }
-        }
-
-        protected virtual SrndQuery GetFieldsQuery(
-            SrndQuery q, IEnumerable<string> fieldNames)
-        {
-            /* FIXME: check acceptable subquery: at least one subquery should not be
-             * a fields query.
-             */
-            return new FieldsQuery(q, fieldNames, fieldOperator);
-        }
-
-        protected virtual SrndQuery GetOrQuery(IEnumerable<SrndQuery> queries, bool infix, Token orToken)
-        {
-            return new OrQuery(queries, infix, orToken.image);
-        }
-
-        protected virtual SrndQuery GetAndQuery(IEnumerable<SrndQuery> queries, bool infix, Token andToken)
-        {
-            return new AndQuery(queries, infix, andToken.image);
-        }
-
-        protected virtual SrndQuery GetNotQuery(IEnumerable<SrndQuery> queries, Token notToken)
-        {
-            return new NotQuery(queries, notToken.image);
-        }
-
-        protected static int GetOpDistance(string distanceOp)
-        {
-            /* W, 2W, 3W etc -> 1, 2 3, etc. Same for N, 2N ... */
-            return distanceOp.Length == 1
-              ? 1
-              : int.Parse(distanceOp.Substring(0, distanceOp.Length - 1));
-        }
-
-        protected static void CheckDistanceSubQueries(DistanceQuery distq, string opName)
-        {
-            string m = distq.DistanceSubQueryNotAllowed();
-            if (m != null)
-            {
-                throw new ParseException("Operator " + opName + ": " + m);
-            }
-        }
-
-        protected virtual SrndQuery GetDistanceQuery(
-            IEnumerable<SrndQuery> queries,
-            bool infix,
-            Token dToken,
-            bool ordered)
-        {
-            DistanceQuery dq = new DistanceQuery(queries,
-                                                infix,
-                                                GetOpDistance(dToken.image),
-                                                dToken.image,
-                                                ordered);
-            CheckDistanceSubQueries(dq, dToken.image);
-            return dq;
-        }
-
-        protected virtual SrndQuery GetTermQuery(
-              String term, bool quoted)
-        {
-            return new SrndTermQuery(term, quoted);
-        }
-
-        protected virtual bool AllowedSuffix(String suffixed)
-        {
-            return (suffixed.Length - 1) >= minimumPrefixLength;
-        }
-
-        protected virtual SrndQuery GetPrefixQuery(
-            string prefix, bool quoted)
-        {
-            return new SrndPrefixQuery(prefix, quoted, truncator);
-        }
-
-        protected virtual bool AllowedTruncation(string truncated)
-        {
-            /* At least 3 normal characters needed. */
-            int nrNormalChars = 0;
-            for (int i = 0; i < truncated.Length; i++)
-            {
-                char c = truncated[i];
-                if ((c != truncator) && (c != anyChar))
-                {
-                    nrNormalChars++;
-                }
-            }
-            return nrNormalChars >= minimumCharsInTrunc;
-        }
-
-        protected virtual SrndQuery GetTruncQuery(string truncated)
-        {
-            return new SrndTruncQuery(truncated, truncator, anyChar);
-        }
-
-        public SrndQuery TopSrndQuery()
-        {
-            SrndQuery q;
-            q = FieldsQuery();
-            Jj_consume_token(0);
-            { if (true) return q; }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery FieldsQuery()
-        {
-            SrndQuery q;
-            IEnumerable<string> fieldNames;
-            fieldNames = OptionalFields();
-            q = OrQuery();
-            { if (true) return (fieldNames == null) ? q : GetFieldsQuery(q, fieldNames); }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public IEnumerable<string> OptionalFields()
-        {
-            Token fieldName;
-            IList<string> fieldNames = null;
-
-            while (true)
-            {
-                if (Jj_2_1(2))
-                {
-                    ;
-                }
-                else
-                {
-                    goto label_1;
-                }
-                // to the colon
-                fieldName = Jj_consume_token(RegexpToken.TERM);
-                Jj_consume_token(RegexpToken.COLON);
-                if (fieldNames == null)
-                {
-                    fieldNames = new List<string>();
-                }
-                fieldNames.Add(fieldName.image);
-            }
-        label_1:
-            { if (true) return fieldNames; }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery OrQuery()
-        {
-            SrndQuery q;
-            IList<SrndQuery> queries = null;
-            Token oprt = null;
-            q = AndQuery();
-
-            while (true)
-            {
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.OR:
-                        ;
-                        break;
-                    default:
-                        jj_la1[0] = jj_gen;
-                        goto label_2;
-                }
-                oprt = Jj_consume_token(RegexpToken.OR);
-                /* keep only last used operator */
-                if (queries == null)
-                {
-                    queries = new List<SrndQuery>();
-                    queries.Add(q);
-                }
-                q = AndQuery();
-                queries.Add(q);
-            }
-        label_2:
-            { if (true) return (queries == null) ? q : GetOrQuery(queries, true /* infix */, oprt); }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery AndQuery()
-        {
-            SrndQuery q;
-            IList<SrndQuery> queries = null;
-            Token oprt = null;
-            q = NotQuery();
-
-            while (true)
-            {
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.AND:
-                        ;
-                        break;
-                    default:
-                        jj_la1[1] = jj_gen;
-                        goto label_3;
-                }
-                oprt = Jj_consume_token(RegexpToken.AND);
-                /* keep only last used operator */
-                if (queries == null)
-                {
-                    queries = new List<SrndQuery>();
-                    queries.Add(q);
-                }
-                q = NotQuery();
-                queries.Add(q);
-            }
-        label_3:
-            { if (true) return (queries == null) ? q : GetAndQuery(queries, true /* infix */, oprt); }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery NotQuery()
-        {
-            SrndQuery q;
-            IList<SrndQuery> queries = null;
-            Token oprt = null;
-            q = NQuery();
-
-            while (true)
-            {
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.NOT:
-                        ;
-                        break;
-                    default:
-                        jj_la1[2] = jj_gen;
-                        goto label_4;
-                }
-                oprt = Jj_consume_token(RegexpToken.NOT);
-                /* keep only last used operator */
-                if (queries == null)
-                {
-                    queries = new List<SrndQuery>();
-                    queries.Add(q);
-                }
-                q = NQuery();
-                queries.Add(q);
-            }
-        label_4:
-            { if (true) return (queries == null) ? q : GetNotQuery(queries, oprt); }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery NQuery()
-        {
-            SrndQuery q;
-            IList<SrndQuery> queries;
-            Token dt;
-            q = WQuery();
-
-            while (true)
-            {
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.N:
-                        ;
-                        break;
-                    default:
-                        jj_la1[3] = jj_gen;
-                        goto label_5;
-                }
-                dt = Jj_consume_token(RegexpToken.N);
-                queries = new List<SrndQuery>();
-                queries.Add(q); /* left associative */
-
-                q = WQuery();
-                queries.Add(q);
-                q = GetDistanceQuery(queries, true /* infix */, dt, false /* not ordered */);
-            }
-        label_5:
-            { if (true) return q; }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery WQuery()
-        {
-            SrndQuery q;
-            IList<SrndQuery> queries;
-            Token wt;
-            q = PrimaryQuery();
-
-            while (true)
-            {
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.W:
-                        ;
-                        break;
-                    default:
-                        jj_la1[4] = jj_gen;
-                        goto label_6;
-                }
-                wt = Jj_consume_token(RegexpToken.W);
-                queries = new List<SrndQuery>();
-                queries.Add(q); /* left associative */
-
-                q = PrimaryQuery();
-                queries.Add(q);
-                q = GetDistanceQuery(queries, true /* infix */, wt, true /* ordered */);
-            }
-        label_6:
-            { if (true) return q; }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery PrimaryQuery()
-        {
-            /* bracketed weighted query or weighted term */
-            SrndQuery q;
-            switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-            {
-                case RegexpToken.LPAREN:
-                    Jj_consume_token(RegexpToken.LPAREN);
-                    q = FieldsQuery();
-                    Jj_consume_token(RegexpToken.RPAREN);
-                    break;
-                case RegexpToken.OR:
-                case RegexpToken.AND:
-                case RegexpToken.W:
-                case RegexpToken.N:
-                    q = PrefixOperatorQuery();
-                    break;
-                case RegexpToken.TRUNCQUOTED:
-                case RegexpToken.QUOTED:
-                case RegexpToken.SUFFIXTERM:
-                case RegexpToken.TRUNCTERM:
-                case RegexpToken.TERM:
-                    q = SimpleTerm();
-                    break;
-                default:
-                    jj_la1[5] = jj_gen;
-                    Jj_consume_token(-1);
-                    throw new ParseException();
-            }
-            OptionalWeights(q);
-            { if (true) return q; }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery PrefixOperatorQuery()
-        {
-            Token oprt;
-            IEnumerable<SrndQuery> queries;
-            switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-            {
-                case RegexpToken.OR:
-                    oprt = Jj_consume_token(RegexpToken.OR);
-                    /* prefix OR */
-                    queries = FieldsQueryList();
-                    { if (true) return GetOrQuery(queries, false /* not infix */, oprt); }
-                    break;
-                case RegexpToken.AND:
-                    oprt = Jj_consume_token(RegexpToken.AND);
-                    /* prefix AND */
-                    queries = FieldsQueryList();
-                    { if (true) return GetAndQuery(queries, false /* not infix */, oprt); }
-                    break;
-                case RegexpToken.N:
-                    oprt = Jj_consume_token(RegexpToken.N);
-                    /* prefix N */
-                    queries = FieldsQueryList();
-                    { if (true) return GetDistanceQuery(queries, false /* not infix */, oprt, false /* not ordered */); }
-                    break;
-                case RegexpToken.W:
-                    oprt = Jj_consume_token(RegexpToken.W);
-                    /* prefix W */
-                    queries = FieldsQueryList();
-                    { if (true) return GetDistanceQuery(queries, false  /* not infix */, oprt, true /* ordered */); }
-                    break;
-                default:
-                    jj_la1[6] = jj_gen;
-                    Jj_consume_token(-1);
-                    throw new ParseException();
-            }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public IEnumerable<SrndQuery> FieldsQueryList()
-        {
-            SrndQuery q;
-            IList<SrndQuery> queries = new List<SrndQuery>();
-            Jj_consume_token(RegexpToken.LPAREN);
-            q = FieldsQuery();
-            queries.Add(q);
-
-            while (true)
-            {
-                Jj_consume_token(RegexpToken.COMMA);
-                q = FieldsQuery();
-                queries.Add(q);
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.COMMA:
-                        ;
-                        break;
-                    default:
-                        jj_la1[7] = jj_gen;
-                        goto label_7;
-                }
-            }
-        label_7:
-            Jj_consume_token(RegexpToken.RPAREN);
-            { if (true) return queries; }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public SrndQuery SimpleTerm()
-        {
-            Token term;
-            switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-            {
-                case RegexpToken.TERM:
-                    term = Jj_consume_token(RegexpToken.TERM);
-                    { if (true) return GetTermQuery(term.image, false /* not quoted */); }
-                    break;
-                case RegexpToken.QUOTED:
-                    term = Jj_consume_token(RegexpToken.QUOTED);
-                    // TODO: Substring fix
-                    { if (true) return GetTermQuery(term.image.Substring(1, (term.image.Length - 1) - 1), true /* quoted */); }
-                    break;
-                case RegexpToken.SUFFIXTERM:
-                    term = Jj_consume_token(RegexpToken.SUFFIXTERM);
-                    /* ending in * */
-                    if (!AllowedSuffix(term.image))
-                    {
-                        { if (true) throw new ParseException(truncationErrorMessage + term.image); }
-                    }
-                    // TODO: Substring fix
-                    { if (true) return GetPrefixQuery(term.image.Substring(0, term.image.Length - 1), false /* not quoted */); }
-                    break;
-                case RegexpToken.TRUNCTERM:
-                    term = Jj_consume_token(RegexpToken.TRUNCTERM);
-                    /* with at least one * or ? */
-                    if (!AllowedTruncation(term.image))
-                    {
-                        { if (true) throw new ParseException(truncationErrorMessage + term.image); }
-                    }
-                    { if (true) return GetTruncQuery(term.image); }
-                    break;
-                case RegexpToken.TRUNCQUOTED:
-                    term = Jj_consume_token(RegexpToken.TRUNCQUOTED);
-                    /* eg. "9b-b,m"* */
-                    if ((term.image.Length - 3) < minimumPrefixLength)
-                    {
-                        { if (true) throw new ParseException(truncationErrorMessage + term.image); }
-                    }
-                    // TODO: Substring fix
-                    { if (true) return GetPrefixQuery(term.image.Substring(1, (term.image.Length - 2) - 1), true /* quoted */); }
-                    break;
-                default:
-                    jj_la1[8] = jj_gen;
-                    Jj_consume_token(-1);
-                    throw new ParseException();
-            }
-            throw new Exception("Missing return statement in function");
-        }
-
-        public void OptionalWeights(SrndQuery q)
-        {
-            Token weight = null;
-        
-            while (true)
-            {
-                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
-                {
-                    case RegexpToken.CARAT:
-                        ;
-                        break;
-                    default:
-                        jj_la1[9] = jj_gen;
-                        goto label_8;
-                }
-                Jj_consume_token(RegexpToken.CARAT);
-                weight = Jj_consume_token(RegexpToken.NUMBER);
-                float f;
-                try
-                {
-                    // TODO: Test parsing float in various cultures (.NET)
-                    f = float.Parse(weight.image);
-                }
-                catch (Exception floatExc)
-                {
-                    { if (true) throw new ParseException(boostErrorMessage + weight.image + " (" + floatExc + ")"); }
-                }
-                if (f <= 0.0)
-                {
-                    { if (true) throw new ParseException(boostErrorMessage + weight.image); }
-                }
-                q.Weight = (f * q.Weight); /* left associative, fwiw */
-            }
-        label_8: ;
-        }
-
-        private bool Jj_2_1(int xla)
-        {
-            jj_la = xla; jj_lastpos = jj_scanpos = token;
-            try { return !Jj_3_1(); }
-            catch (LookaheadSuccess) { return true; }
-            finally { Jj_save(0, xla); }
-        }
-
-        private bool Jj_3_1()
-        {
-            if (Jj_scan_token(RegexpToken.TERM)) return true;
-            if (Jj_scan_token(RegexpToken.COLON)) return true;
-            return false;
-        }
-
-        /** Generated Token Manager. */
-        public QueryParserTokenManager token_source;
-        /** Current token. */
-        public Token token;
-        /** Next token. */
-        public Token jj_nt;
-        private int jj_ntk;
-        private Token jj_scanpos, jj_lastpos;
-        private int jj_la;
-        private int jj_gen;
-        private readonly int[] jj_la1 = new int[10];
-        private static int[] jj_la1_0;
-        static QueryParser()
-        {
-            Jj_la1_init_0();
-        }
-
-        private static void Jj_la1_init_0()
-        {
-            jj_la1_0 = new int[] { 0x100, 0x200, 0x400, 0x1000, 0x800, 0x7c3b00, 0x1b00, 0x8000, 0x7c0000, 0x20000, };
-        }
-        private readonly JJCalls[] jj_2_rtns = new JJCalls[1];
-        private bool jj_rescan = false;
-        private int jj_gc = 0;
-
-        /// <summary>
-        /// Constructor with user supplied CharStream.
-        /// </summary>
-        /// <param name="stream"></param>
-        public QueryParser(ICharStream stream)
-        {
-            token_source = new QueryParserTokenManager(stream);
-            token = new Token();
-            jj_ntk = -1;
-            jj_gen = 0;
-            for (int i = 0; i < 10; i++) jj_la1[i] = -1;
-            for (int i = 0; i < jj_2_rtns.Length; i++) jj_2_rtns[i] = new JJCalls();
-        }
-
-        /// <summary>
-        /// Reinitialise.
-        /// </summary>
-        /// <param name="stream"></param>
-        public virtual void ReInit(ICharStream stream)
-        {
-            token_source.ReInit(stream);
-            token = new Token();
-            jj_ntk = -1;
-            jj_gen = 0;
-            for (int i = 0; i < 10; i++) jj_la1[i] = -1;
-            for (int i = 0; i < jj_2_rtns.Length; i++) jj_2_rtns[i] = new JJCalls();
-        }
-
-        /// <summary>
-        /// Constructor with generated Token Manager.
-        /// </summary>
-        /// <param name="tm"></param>
-        public QueryParser(QueryParserTokenManager tm)
-        {
-            token_source = tm;
-            token = new Token();
-            jj_ntk = -1;
-            jj_gen = 0;
-            for (int i = 0; i < 10; i++) jj_la1[i] = -1;
-            for (int i = 0; i < jj_2_rtns.Length; i++) jj_2_rtns[i] = new JJCalls();
-        }
-
-        /// <summary>
-        /// Reinitialise.
-        /// </summary>
-        /// <param name="tm"></param>
-        public virtual void ReInit(QueryParserTokenManager tm)
-        {
-            token_source = tm;
-            token = new Token();
-            jj_ntk = -1;
-            jj_gen = 0;
-            for (int i = 0; i < 10; i++) jj_la1[i] = -1;
-            for (int i = 0; i < jj_2_rtns.Length; i++) jj_2_rtns[i] = new JJCalls();
-        }
-
-        private Token Jj_consume_token(int kind)
-        {
-            Token oldToken;
-            if ((oldToken = token).next != null) token = token.next;
-            else token = token.next = token_source.GetNextToken();
-            jj_ntk = -1;
-            if (token.kind == kind)
-            {
-                jj_gen++;
-                if (++jj_gc > 100)
-                {
-                    jj_gc = 0;
-                    for (int i = 0; i < jj_2_rtns.Length; i++)
-                    {
-                        JJCalls c = jj_2_rtns[i];
-                        while (c != null)
-                        {
-                            if (c.gen < jj_gen) c.first = null;
-                            c = c.next;
-                        }
-                    }
-                }
-                return token;
-            }
-            token = oldToken;
-            jj_kind = kind;
-            throw GenerateParseException();
-        }
-
-        private sealed class LookaheadSuccess : Exception { }
-        private readonly LookaheadSuccess jj_ls = new LookaheadSuccess();
-
-        private bool Jj_scan_token(int kind)
-        {
-            if (jj_scanpos == jj_lastpos)
-            {
-                jj_la--;
-                if (jj_scanpos.next == null)
-                {
-                    jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.GetNextToken();
-                }
-                else
-                {
-                    jj_lastpos = jj_scanpos = jj_scanpos.next;
-                }
-            }
-            else
-            {
-                jj_scanpos = jj_scanpos.next;
-            }
-            if (jj_rescan)
-            {
-                int i = 0; Token tok = token;
-                while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
-                if (tok != null) Jj_add_error_token(kind, i);
-            }
-            if (jj_scanpos.kind != kind) return true;
-            if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
-            return false;
-        }
-
-        /// <summary>
-        /// Get the next Token.
-        /// </summary>
-        /// <returns></returns>
-        public Token GetNextToken()
-        {
-            if (token.next != null) token = token.next;
-            else token = token.next = token_source.GetNextToken();
-            jj_ntk = -1;
-            jj_gen++;
-            return token;
-        }
-
-        /// <summary>
-        /// Get the specific Token.
-        /// </summary>
-        /// <param name="index"></param>
-        /// <returns></returns>
-        public Token GetToken(int index)
-        {
-            Token t = token;
-            for (int i = 0; i < index; i++)
-            {
-                if (t.next != null) t = t.next;
-                else t = t.next = token_source.GetNextToken();
-            }
-            return t;
-        }
-
-        private int Jj_ntk()
-        {
-            if ((jj_nt = token.next) == null)
-                return (jj_ntk = (token.next = token_source.GetNextToken()).kind);
-            else
-                return (jj_ntk = jj_nt.kind);
-        }
-
-        private IList<int[]> jj_expentries = new List<int[]>();
-        private int[] jj_expentry;
-        private int jj_kind = -1;
-        private int[] jj_lasttokens = new int[100];
-        private int jj_endpos;
-
-        private void Jj_add_error_token(int kind, int pos)
-        {
-            if (pos >= 100) return;
-            if (pos == jj_endpos + 1)
-            {
-                jj_lasttokens[jj_endpos++] = kind;
-            }
-            else if (jj_endpos != 0)
-            {
-                jj_expentry = new int[jj_endpos];
-                for (int i = 0; i < jj_endpos; i++)
-                {
-                    jj_expentry[i] = jj_lasttokens[i];
-                }
-                foreach (var oldentry in jj_expentries)
-                {
-                    if (oldentry.Length == jj_expentry.Length)
-                    {
-                        for (int i = 0; i < jj_expentry.Length; i++)
-                        {
-                            if (oldentry[i] != jj_expentry[i])
-                            {
-                                continue;
-                            }
-                        }
-                        jj_expentries.Add(jj_expentry);
-                        break;
-                    }
-                }
-                if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
-            }
-        }
-
-        /// <summary>
-        /// Generate ParseException.
-        /// </summary>
-        /// <returns></returns>
-        public virtual ParseException GenerateParseException()
-        {
-            jj_expentries.Clear();
-            bool[] la1tokens = new bool[24];
-            if (jj_kind >= 0)
-            {
-                la1tokens[jj_kind] = true;
-                jj_kind = -1;
-            }
-            for (int i = 0; i < 10; i++)
-            {
-                if (jj_la1[i] == jj_gen)
-                {
-                    for (int j = 0; j < 32; j++)
-                    {
-                        if ((jj_la1_0[i] & (1 << j)) != 0)
-                        {
-                            la1tokens[j] = true;
-                        }
-                    }
-                }
-            }
-            for (int i = 0; i < 24; i++)
-            {
-                if (la1tokens[i])
-                {
-                    jj_expentry = new int[1];
-                    jj_expentry[0] = i;
-                    jj_expentries.Add(jj_expentry);
-                }
-            }
-            jj_endpos = 0;
-            Jj_rescan_token();
-            Jj_add_error_token(0, 0);
-            int[][] exptokseq = new int[jj_expentries.Count][];
-            for (int i = 0; i < jj_expentries.Count; i++)
-            {
-                exptokseq[i] = jj_expentries[i];
-            }
-            return new ParseException(token, exptokseq, QueryParserConstants.TokenImage);
-        }
-
-        /// <summary>Enable tracing. </summary>
-        public void Enable_tracing()
-        {
-        }
-
-        /// <summary>Disable tracing. </summary>
-        public void Disable_tracing()
-        {
-        }
-
-        private void Jj_rescan_token()
-        {
-            jj_rescan = true;
-            for (int i = 0; i < 1; i++)
-            {
-                try
-                {
-                    JJCalls p = jj_2_rtns[i];
-                    do
-                    {
-                        if (p.gen > jj_gen)
-                        {
-                            jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
-                            switch (i)
-                            {
-                                case 0: Jj_3_1(); break;
-                            }
-                        }
-                        p = p.next;
-                    } while (p != null);
-                }
-                catch (LookaheadSuccess ls) { }
-            }
-            jj_rescan = false;
-        }
-
-        private void Jj_save(int index, int xla)
-        {
-            JJCalls p = jj_2_rtns[index];
-            while (p.gen > jj_gen)
-            {
-                if (p.next == null) { p = p.next = new JJCalls(); break; }
-                p = p.next;
-            }
-            p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
-        }
-
-        internal sealed class JJCalls
-        {
-            internal int gen;
-            internal Token first;
-            internal int arg;
-            internal JJCalls next;
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Parser/QueryParserConstants.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Parser/QueryParserConstants.cs b/Lucene.Net.QueryParser/Surround/Parser/QueryParserConstants.cs
deleted file mode 100644
index 262f76b..0000000
--- a/Lucene.Net.QueryParser/Surround/Parser/QueryParserConstants.cs
+++ /dev/null
@@ -1,120 +0,0 @@
-using System;
-
-namespace Lucene.Net.QueryParser.Surround.Parser
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-
-    public static class RegexpToken
-    {
-        /// <summary>End of File. </summary>
-        public const int EOF = 0;
-        /// <summary>RegularExpression Id. </summary>
-        public const int _NUM_CHAR = 1;
-        /// <summary>RegularExpression Id. </summary>
-        public const int _TERM_CHAR = 2;
-        /// <summary>RegularExpression Id. </summary>
-        public const int _WHITESPACE = 3;
-        /// <summary>RegularExpression Id. </summary>
-        public const int _STAR = 4;
-        /// <summary>RegularExpression Id. </summary>
-        public const int _ONE_CHAR = 5;
-        /// <summary>RegularExpression Id. </summary>
-        public const int _DISTOP_NUM = 6;
-        /// <summary>RegularExpression Id. </summary>
-        public const int OR = 8;
-        /// <summary>RegularExpression Id. </summary>
-        public const int AND = 9;
-        /// <summary>RegularExpression Id. </summary>
-        public const int NOT = 10;
-        /// <summary>RegularExpression Id. </summary>
-        public const int W = 11;
-        /// <summary>RegularExpression Id. </summary>
-        public const int N = 12;
-        /// <summary>RegularExpression Id. </summary>
-        public const int LPAREN = 13;
-        /// <summary>RegularExpression Id. </summary>
-        public const int RPAREN = 14;
-        /// <summary>RegularExpression Id. </summary>
-        public const int COMMA = 15;
-        /// <summary>RegularExpression Id. </summary>
-        public const int COLON = 16;
-        /// <summary>RegularExpression Id. </summary>
-        public const int CARAT = 17;
-        /// <summary>RegularExpression Id. </summary>
-        public const int TRUNCQUOTED = 18;
-        /// <summary>RegularExpression Id. </summary>
-        public const int QUOTED = 19;
-        /// <summary>RegularExpression Id. </summary>
-        public const int SUFFIXTERM = 20;
-        /// <summary>RegularExpression Id. </summary>
-        public const int TRUNCTERM = 21;
-        /// <summary>RegularExpression Id. </summary>
-        public const int TERM = 22;
-        /// <summary>RegularExpression Id. </summary>
-        public const int NUMBER = 23;
-    }
-
-    public static class LexicalToken
-    {
-        /// <summary>Lexical state.</summary>
-        public const int Boost = 0;
-        /// <summary>Lexical state.</summary>
-        public const int DEFAULT = 2;
-    }
-
-    // NOTE: In Java, this was an interface. However, in 
-    // .NET we cannot define constants in an interface.
-    // So, instead we are making it a static class so it 
-    // can be shared between classes with different base classes.
-
-    // public interface QueryParserConstants
-
-    /// <summary> Token literal values and constants.
-    /// Generated by org.javacc.parser.OtherFilesGen#start()
-    /// </summary>
-    public static class QueryParserConstants
-    {
-        /// <summary>Literal token values. </summary>
-        public static string[] TokenImage = new string[] {
-            "<EOF>",
-            "<_NUM_CHAR>",
-            "<_TERM_CHAR>",
-            "<_WHITESPACE>",
-            "\"*\"",
-            "\"?\"",
-            "<_DISTOP_NUM>",
-            "<token of kind 7>",
-            "<OR>",
-            "<AND>",
-            "<NOT>",
-            "<W>",
-            "<N>",
-            "\"(\"",
-            "\")\"",
-            "\",\"",
-            "\":\"",
-            "\"^\"",
-            "<TRUNCQUOTED>",
-            "<QUOTED>",
-            "<SUFFIXTERM>",
-            "<TRUNCTERM>",
-            "<TERM>",
-            "<NUMBER>"
-        };
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Parser/QueryParserTokenManager.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Parser/QueryParserTokenManager.cs b/Lucene.Net.QueryParser/Surround/Parser/QueryParserTokenManager.cs
deleted file mode 100644
index ac3d611..0000000
--- a/Lucene.Net.QueryParser/Surround/Parser/QueryParserTokenManager.cs
+++ /dev/null
@@ -1,760 +0,0 @@
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-
-namespace Lucene.Net.QueryParser.Surround.Parser
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-
-    /// <summary>
-    /// Token Manager.
-    /// </summary>
-    public class QueryParserTokenManager //: QueryParserConstants
-    {
-        private void InitBlock()
-        {
-            StreamWriter temp_writer;
-            temp_writer = new StreamWriter(Console.OpenStandardOutput(), Console.Out.Encoding);
-            temp_writer.AutoFlush = true;
-            debugStream = temp_writer;
-        }
-
-        /// <summary>Debug output. </summary>
-        public StreamWriter debugStream;
-        /// <summary>Set debug output. </summary>
-        public virtual void SetDebugStream(StreamWriter ds)
-        {
-            debugStream = ds;
-        }
-        private int JjStopStringLiteralDfa_1(int pos, long active0)
-        {
-            switch (pos)
-            {
-                default:
-                    return -1;
-            }
-        }
-        private int JjStartNfa_1(int pos, long active0)
-        {
-            return JjMoveNfa_1(JjStopStringLiteralDfa_1(pos, active0), pos + 1);
-        }
-        private int JjStopAtPos(int pos, int kind)
-        {
-            jjmatchedKind = kind;
-            jjmatchedPos = pos;
-            return pos + 1;
-        }
-        private int jjMoveStringLiteralDfa0_1()
-        {
-            switch (curChar)
-            {
-                case (char)40:
-                    return JjStopAtPos(0, 13);
-                case (char)41:
-                    return JjStopAtPos(0, 14);
-                case (char)44:
-                    return JjStopAtPos(0, 15);
-                case (char)58:
-                    return JjStopAtPos(0, 16);
-                case (char)94:
-                    return JjStopAtPos(0, 17);
-                default:
-                    return JjMoveNfa_1(0, 0);
-            }
-        }
-        internal static readonly ulong[] jjbitVec0 = {
-            0xfffffffffffffffeL, 0xffffffffffffffffL, 0xffffffffffffffffL, 0xffffffffffffffffL
-        };
-        internal static readonly ulong[] jjbitVec2 = {
-            0x0L, 0x0L, 0xffffffffffffffffL, 0xffffffffffffffffL
-        };
-        private int JjMoveNfa_1(int startState, int curPos)
-        {
-            int startsAt = 0;
-            jjnewStateCnt = 38;
-            int i = 1;
-            jjstateSet[0] = startState;
-            int kind = 0x7fffffff;
-            for (; ; )
-            {
-                if (++jjround == 0x7fffffff)
-                    ReInitRounds();
-                if (curChar < 64)
-                {
-                    ulong l = (ulong)(1L << (int)curChar);
-                    do
-                    {
-                        switch (jjstateSet[--i])
-                        {
-                            case 0:
-                                if ((0x7bffe8faffffd9ffL & l) != 0L)
-                                {
-                                    if (kind > 22)
-                                        kind = 22;
-                                    JjCheckNAddStates(0, 4);
-                                }
-                                else if ((0x100002600L & l) != 0L)
-                                {
-                                    if (kind > 7)
-                                        kind = 7;
-                                }
-                                else if (curChar == 34)
-                                    JjCheckNAddStates(5, 7);
-                                if ((0x3fc000000000000L & l) != 0L)
-                                    JjCheckNAddStates(8, 11);
-                                else if (curChar == 49)
-                                    JjCheckNAddTwoStates(20, 21);
-                                break;
-                            case 19:
-                                if ((0x3fc000000000000L & l) != 0L)
-                                    JjCheckNAddStates(8, 11);
-                                break;
-                            case 20:
-                                if ((0x3ff000000000000L & l) != 0L)
-                                    JjCheckNAdd(17);
-                                break;
-                            case 21:
-                                if ((0x3ff000000000000L & l) != 0L)
-                                    JjCheckNAdd(18);
-                                break;
-                            case 22:
-                                if (curChar == 49)
-                                    JjCheckNAddTwoStates(20, 21);
-                                break;
-                            case 23:
-                                if (curChar == 34)
-                                    JjCheckNAddStates(5, 7);
-                                break;
-                            case 24:
-                                if ((0xfffffffbffffffffL & l) != (ulong)0L)
-                                    JjCheckNAddTwoStates(24, 25);
-                                break;
-                            case 25:
-                                if (curChar == 34)
-                                    jjstateSet[jjnewStateCnt++] = 26;
-                                break;
-                            case 26:
-                                if (curChar == 42 && kind > 18)
-                                    kind = 18;
-                                break;
-                            case 27:
-                                if ((0xfffffffbffffffffL & l) != (ulong)0L)
-                                    JjCheckNAddStates(12, 14);
-                                break;
-                            case 29:
-                                if (curChar == 34)
-                                    JjCheckNAddStates(12, 14);
-                                break;
-                            case 30:
-                                if (curChar == 34 && kind > 19)
-                                    kind = 19;
-                                break;
-                            case 31:
-                                if ((0x7bffe8faffffd9ffL & l) == 0L)
-                                    break;
-                                if (kind > 22)
-                                    kind = 22;
-                                JjCheckNAddStates(0, 4);
-                                break;
-                            case 32:
-                                if ((0x7bffe8faffffd9ffL & l) != 0L)
-                                    JjCheckNAddTwoStates(32, 33);
-                                break;
-                            case 33:
-                                if (curChar == 42 && kind > 20)
-                                    kind = 20;
-                                break;
-                            case 34:
-                                if ((0x7bffe8faffffd9ffL & l) != 0L)
-                                    JjCheckNAddTwoStates(34, 35);
-                                break;
-                            case 35:
-                                if ((0x8000040000000000L & l) == (ulong)0L)
-                                    break;
-                                if (kind > 21)
-                                    kind = 21;
-                                JjCheckNAddTwoStates(35, 36);
-                                break;
-                            case 36:
-                                if ((0xfbffecfaffffd9ffL & l) == (ulong)0L)
-                                    break;
-                                if (kind > 21)
-                                    kind = 21;
-                                JjCheckNAdd(36);
-                                break;
-                            case 37:
-                                if ((0x7bffe8faffffd9ffL & l) == 0L)
-                                    break;
-                                if (kind > 22)
-                                    kind = 22;
-                                JjCheckNAdd(37);
-                                break;
-                            default: break;
-                        }
-                    } while (i != startsAt);
-                }
-                else if (curChar < 128)
-                {
-                    // NOTE: See the note in the Classic.QueryParserTokenManager.cs file.
-                    // I am working under the assumption 63 is the correct value, since it
-                    // made the tests pass there.
-                    ulong l = (ulong)(1L << (curChar & 63));
-                    //long l = 1L << (curChar & 077);
-                    do
-                    {
-                        switch (jjstateSet[--i])
-                        {
-                            case 0:
-                                if ((0xffffffffbfffffffL & l) != (ulong)0L)
-                                {
-                                    if (kind > 22)
-                                        kind = 22;
-                                    JjCheckNAddStates(0, 4);
-                                }
-                                if ((0x400000004000L & l) != 0L)
-                                {
-                                    if (kind > 12)
-                                        kind = 12;
-                                }
-                                else if ((0x80000000800000L & l) != 0L)
-                                {
-                                    if (kind > 11)
-                                        kind = 11;
-                                }
-                                else if (curChar == 97)
-                                    jjstateSet[jjnewStateCnt++] = 9;
-                                else if (curChar == 65)
-                                    jjstateSet[jjnewStateCnt++] = 6;
-                                else if (curChar == 111)
-                                    jjstateSet[jjnewStateCnt++] = 3;
-                                else if (curChar == 79)
-                                    jjstateSet[jjnewStateCnt++] = 1;
-                                if (curChar == 110)
-                                    jjstateSet[jjnewStateCnt++] = 15;
-                                else if (curChar == 78)
-                                    jjstateSet[jjnewStateCnt++] = 12;
-                                break;
-                            case 1:
-                                if (curChar == 82 && kind > 8)
-                                    kind = 8;
-                                break;
-                            case 2:
-                                if (curChar == 79)
-                                    jjstateSet[jjnewStateCnt++] = 1;
-                                break;
-                            case 3:
-                                if (curChar == 114 && kind > 8)
-                                    kind = 8;
-                                break;
-                            case 4:
-                                if (curChar == 111)
-                                    jjstateSet[jjnewStateCnt++] = 3;
-                                break;
-                            case 5:
-                                if (curChar == 68 && kind > 9)
-                                    kind = 9;
-                                break;
-                            case 6:
-                                if (curChar == 78)
-                                    jjstateSet[jjnewStateCnt++] = 5;
-                                break;
-                            case 7:
-                                if (curChar == 65)
-                                    jjstateSet[jjnewStateCnt++] = 6;
-                                break;
-                            case 8:
-                                if (curChar == 100 && kind > 9)
-                                    kind = 9;
-                                break;
-                            case 9:
-                                if (curChar == 110)
-                                    jjstateSet[jjnewStateCnt++] = 8;
-                                break;
-                            case 10:
-                                if (curChar == 97)
-                                    jjstateSet[jjnewStateCnt++] = 9;
-                                break;
-                            case 11:
-                                if (curChar == 84 && kind > 10)
-                                    kind = 10;
-                                break;
-                            case 12:
-                                if (curChar == 79)
-                                    jjstateSet[jjnewStateCnt++] = 11;
-                                break;
-                            case 13:
-                                if (curChar == 78)
-                                    jjstateSet[jjnewStateCnt++] = 12;
-                                break;
-                            case 14:
-                                if (curChar == 116 && kind > 10)
-                                    kind = 10;
-                                break;
-                            case 15:
-                                if (curChar == 111)
-                                    jjstateSet[jjnewStateCnt++] = 14;
-                                break;
-                            case 16:
-                                if (curChar == 110)
-                                    jjstateSet[jjnewStateCnt++] = 15;
-                                break;
-                            case 17:
-                                if ((0x80000000800000L & l) != 0L && kind > 11)
-                                    kind = 11;
-                                break;
-                            case 18:
-                                if ((0x400000004000L & l) != 0L && kind > 12)
-                                    kind = 12;
-                                break;
-                            case 24:
-                                JjAddStates(15, 16);
-                                break;
-                            case 27:
-                                if ((0xffffffffefffffffL & l) != (ulong)0L)
-                                    JjCheckNAddStates(12, 14);
-                                break;
-                            case 28:
-                                if (curChar == 92)
-                                    jjstateSet[jjnewStateCnt++] = 29;
-                                break;
-                            case 29:
-                                if (curChar == 92)
-                                    JjCheckNAddStates(12, 14);
-                                break;
-                            case 31:
-                                if ((0xffffffffbfffffffL & l) == (ulong)0L)
-                                    break;
-                                if (kind > 22)
-                                    kind = 22;
-                                JjCheckNAddStates(0, 4);
-                                break;
-                            case 32:
-                                if ((0xffffffffbfffffffL & l) != (ulong)0L)
-                                    JjCheckNAddTwoStates(32, 33);
-                                break;
-                            case 34:
-                                if ((0xffffffffbfffffffL & l) != (ulong)0L)
-                                    JjCheckNAddTwoStates(34, 35);
-                                break;
-                            case 36:
-                                if ((0xffffffffbfffffffL & l) == (ulong)0L)
-                                    break;
-                                if (kind > 21)
-                                    kind = 21;
-                                jjstateSet[jjnewStateCnt++] = 36;
-                                break;
-                            case 37:
-                                if ((0xffffffffbfffffffL & l) == (ulong)0L)
-                                    break;
-                                if (kind > 22)
-                                    kind = 22;
-                                JjCheckNAdd(37);
-                                break;
-                            default: break;
-                        }
-                    } while (i != startsAt);
-                }
-                else
-                {
-                    int hiByte = (int)(curChar >> 8);
-                    int i1 = hiByte >> 6;
-                    //long l1 = 1L << (hiByte & 077);
-                    ulong l1 = (ulong)(1L << (hiByte & 63));
-                    int i2 = (curChar & 0xff) >> 6;
-                    //long l2 = 1L << (curChar & 077);
-                    ulong l2 = (ulong)(1L << (curChar & 63));
-                    do
-                    {
-                        switch (jjstateSet[--i])
-                        {
-                            case 0:
-                                if (!JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    break;
-                                if (kind > 22)
-                                    kind = 22;
-                                JjCheckNAddStates(0, 4);
-                                break;
-                            case 24:
-                                if (JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    JjAddStates(15, 16);
-                                break;
-                            case 27:
-                                if (JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    JjAddStates(12, 14);
-                                break;
-                            case 32:
-                                if (JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    JjCheckNAddTwoStates(32, 33);
-                                break;
-                            case 34:
-                                if (JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    JjCheckNAddTwoStates(34, 35);
-                                break;
-                            case 36:
-                                if (!JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    break;
-                                if (kind > 21)
-                                    kind = 21;
-                                jjstateSet[jjnewStateCnt++] = 36;
-                                break;
-                            case 37:
-                                if (!JjCanMove_0(hiByte, i1, i2, l1, l2))
-                                    break;
-                                if (kind > 22)
-                                    kind = 22;
-                                JjCheckNAdd(37);
-                                break;
-                            default: break;
-                        }
-                    } while (i != startsAt);
-                }
-                if (kind != 0x7fffffff)
-                {
-                    jjmatchedKind = kind;
-                    jjmatchedPos = curPos;
-                    kind = 0x7fffffff;
-                }
-                ++curPos;
-                if ((i = jjnewStateCnt) == (startsAt = 38 - (jjnewStateCnt = startsAt)))
-                    return curPos;
-                try { curChar = input_stream.ReadChar(); }
-                catch (System.IO.IOException e) { return curPos; }
-            }
-        }
-
-        private int JjMoveStringLiteralDfa0_0()
-        {
-            return JjMoveNfa_0(0, 0);
-        }
-        private int JjMoveNfa_0(int startState, int curPos)
-        {
-            int startsAt = 0;
-            jjnewStateCnt = 3;
-            int i = 1;
-            jjstateSet[0] = startState;
-            int kind = 0x7fffffff;
-            for (; ; )
-            {
-                if (++jjround == 0x7fffffff)
-                    ReInitRounds();
-                if (curChar < 64)
-                {
-                    long l = 1L << curChar;
-                    do
-                    {
-                        switch (jjstateSet[--i])
-                        {
-                            case 0:
-                                if ((0x3ff000000000000L & l) == 0L)
-                                    break;
-                                if (kind > 23)
-                                    kind = 23;
-                                JjAddStates(17, 18);
-                                break;
-                            case 1:
-                                if (curChar == 46)
-                                    JjCheckNAdd(2);
-                                break;
-                            case 2:
-                                if ((0x3ff000000000000L & l) == 0L)
-                                    break;
-                                if (kind > 23)
-                                    kind = 23;
-                                JjCheckNAdd(2);
-                                break;
-                            default: break;
-                        }
-                    } while (i != startsAt);
-                }
-                else if (curChar < 128)
-                {
-                    //long l = 1L << (curChar & 077);
-                    ulong l = (ulong)(1L << (curChar & 63)); 
-                    do
-                    {
-                        switch (jjstateSet[--i])
-                        {
-                            default: break;
-                        }
-                    } while (i != startsAt);
-                }
-                else
-                {
-                    int hiByte = (int)(curChar >> 8);
-                    int i1 = hiByte >> 6;
-                    //long l1 = 1L << (hiByte & 077);
-                    ulong l1 = (ulong)(1L << (hiByte & 63));
-                    int i2 = (curChar & 0xff) >> 6;
-                    //long l2 = 1L << (curChar & 077);
-                    ulong l2 = (ulong)(1L << (curChar & 63));
-                    do
-                    {
-                        switch (jjstateSet[--i])
-                        {
-                            default: break;
-                        }
-                    } while (i != startsAt);
-                }
-                if (kind != 0x7fffffff)
-                {
-                    jjmatchedKind = kind;
-                    jjmatchedPos = curPos;
-                    kind = 0x7fffffff;
-                }
-                ++curPos;
-                if ((i = jjnewStateCnt) == (startsAt = 3 - (jjnewStateCnt = startsAt)))
-                    return curPos;
-                try { curChar = input_stream.ReadChar(); }
-                catch (System.IO.IOException e) { return curPos; }
-            }
-        }
-        internal static readonly int[] jjnextStates = {
-            32, 33, 34, 35, 37, 24, 27, 28, 20, 17, 21, 18, 27, 28, 30, 24, 
-            25, 0, 1, 
-        };
-        private static bool JjCanMove_0(int hiByte, int i1, int i2, ulong l1, ulong l2)
-        {
-            switch (hiByte)
-            {
-                case 0:
-                    return ((jjbitVec2[i2] & l2) != 0L);
-                default:
-                    if ((jjbitVec0[i1] & l1) != 0L)
-                        return true;
-                    return false;
-            }
-        }
-
-        /** Token literal values. */
-        //public static readonly string[] jjstrLiteralImages = {
-        //    "", null, null, null, null, null, null, null, null, null, null, null, null, 
-        //    "\50", "\51", "\54", "\72", "\136", null, null, null, null, null, null 
-        //};
-
-        public static readonly string[] jjstrLiteralImages = {
-            "", null, null, null, null, null, null, null, null, null, null, null, null, 
-            "\x0028" /*"\50"*/, "\x0029" /*"\51"*/, "\x002C" /*"\54"*/, "\x003A" /*"\72"*/, "\x005E" /*"\136"*/, null, null, null, null, null, null 
-        };
-
-        /** Lexer state names. */
-        public static readonly string[] lexStateNames = {
-           "Boost",
-           "DEFAULT"
-        };
-
-        /** Lex State array. */
-        public static readonly int[] jjnewLexState = {
-           -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, -1, -1, -1, -1, -1, 1, 
-        };
-        internal static readonly long[] jjtoToken = {
-           0xffff01L, 
-        };
-        internal static readonly long[] jjtoSkip = {
-           0x80L, 
-        };
-        protected ICharStream input_stream;
-        private readonly uint[] jjrounds = new uint[38];
-        private readonly int[] jjstateSet = new int[76];
-        protected internal char curChar;
-
-        /** Constructor. */
-        public QueryParserTokenManager(ICharStream stream)
-        {
-            InitBlock();
-            input_stream = stream;
-        }
-
-        /** Constructor. */
-        public QueryParserTokenManager(ICharStream stream, int lexState)
-            : this(stream)
-        {
-            SwitchTo(lexState);
-        }
-
-        /** Reinitialise parser. */
-        public void ReInit(ICharStream stream)
-        {
-            jjmatchedPos = jjnewStateCnt = 0;
-            curLexState = defaultLexState;
-            input_stream = stream;
-            ReInitRounds();
-        }
-        private void ReInitRounds()
-        {
-            int i;
-            jjround = 0x80000001;
-            for (i = 38; i-- > 0; )
-                jjrounds[i] = 0x80000000;
-        }
-
-        /** Reinitialise parser. */
-        public void ReInit(ICharStream stream, int lexState)
-        {
-            ReInit(stream);
-            SwitchTo(lexState);
-        }
-
-        /** Switch to specified lex state. */
-        public void SwitchTo(int lexState)
-        {
-            if (lexState >= 2 || lexState < 0)
-                throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
-            else
-                curLexState = lexState;
-        }
-
-        protected Token JjFillToken()
-        {
-            Token t;
-            string curTokenImage;
-            int beginLine;
-            int endLine;
-            int beginColumn;
-            int endColumn;
-            string im = jjstrLiteralImages[jjmatchedKind];
-            curTokenImage = (im == null) ? input_stream.Image : im;
-            beginLine = input_stream.BeginLine;
-            beginColumn = input_stream.BeginColumn;
-            endLine = input_stream.EndLine;
-            endColumn = input_stream.EndColumn;
-            t = Token.NewToken(jjmatchedKind, curTokenImage);
-
-            t.beginLine = beginLine;
-            t.endLine = endLine;
-            t.beginColumn = beginColumn;
-            t.endColumn = endColumn;
-
-            return t;
-        }
-
-        internal int curLexState = 1;
-        internal int defaultLexState = 1;
-        internal int jjnewStateCnt;
-        internal uint jjround;
-        internal int jjmatchedPos;
-        internal int jjmatchedKind;
-
-        /// <summary>Get the next Token.</summary>
-        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate")]
-        public Token GetNextToken()
-        {
-            Token matchedToken;
-            int curPos = 0;
-
-            for (; ; )
-            {
-                try
-                {
-                    curChar = input_stream.BeginToken();
-                }
-                catch (System.IO.IOException e)
-                {
-                    jjmatchedKind = 0;
-                    matchedToken = JjFillToken();
-                    return matchedToken;
-                }
-
-                switch (curLexState)
-                {
-                    case 0:
-                        jjmatchedKind = 0x7fffffff;
-                        jjmatchedPos = 0;
-                        curPos = JjMoveStringLiteralDfa0_0();
-                        break;
-                    case 1:
-                        jjmatchedKind = 0x7fffffff;
-                        jjmatchedPos = 0;
-                        curPos = jjMoveStringLiteralDfa0_1();
-                        break;
-                }
-                if (jjmatchedKind != 0x7fffffff)
-                {
-                    if (jjmatchedPos + 1 < curPos)
-                        input_stream.Backup(curPos - jjmatchedPos - 1);
-                    if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
-                    {
-                        matchedToken = JjFillToken();
-                        if (jjnewLexState[jjmatchedKind] != -1)
-                            curLexState = jjnewLexState[jjmatchedKind];
-                        return matchedToken;
-                    }
-                    else
-                    {
-                        if (jjnewLexState[jjmatchedKind] != -1)
-                            curLexState = jjnewLexState[jjmatchedKind];
-                        goto EOFLoop;
-                    }
-                }
-                int error_line = input_stream.EndLine;
-                int error_column = input_stream.EndColumn;
-                string error_after = null;
-                bool EOFSeen = false;
-                try { input_stream.ReadChar(); input_stream.Backup(1); }
-                catch (System.IO.IOException e1)
-                {
-                    EOFSeen = true;
-                    error_after = curPos <= 1 ? "" : input_stream.Image;
-                    if (curChar == '\n' || curChar == '\r')
-                    {
-                        error_line++;
-                        error_column = 0;
-                    }
-                    else
-                        error_column++;
-                }
-                if (!EOFSeen)
-                {
-                    input_stream.Backup(1);
-                    error_after = curPos <= 1 ? "" : input_stream.Image;
-                }
-                throw new TokenMgrError(EOFSeen, curLexState, error_line, error_column, error_after, curChar, TokenMgrError.LEXICAL_ERROR);
-            EOFLoop: ;
-            }
-        }
-
-        private void JjCheckNAdd(int state)
-        {
-            if (jjrounds[state] != jjround)
-            {
-                jjstateSet[jjnewStateCnt++] = state;
-                jjrounds[state] = jjround;
-            }
-        }
-        private void JjAddStates(int start, int end)
-        {
-            do
-            {
-                jjstateSet[jjnewStateCnt++] = jjnextStates[start];
-            } while (start++ != end);
-        }
-        private void JjCheckNAddTwoStates(int state1, int state2)
-        {
-            JjCheckNAdd(state1);
-            JjCheckNAdd(state2);
-        }
-
-        private void JjCheckNAddStates(int start, int end)
-        {
-            do
-            {
-                JjCheckNAdd(jjnextStates[start]);
-            } while (start++ != end);
-        }
-
-    }
-}

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Parser/Token.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Parser/Token.cs b/Lucene.Net.QueryParser/Surround/Parser/Token.cs
deleted file mode 100644
index 2d9b83d..0000000
--- a/Lucene.Net.QueryParser/Surround/Parser/Token.cs
+++ /dev/null
@@ -1,142 +0,0 @@
-using System;
-
-namespace Lucene.Net.QueryParser.Surround.Parser
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-	
-	/// <summary> 
-    /// Describes the input token stream.
-    /// </summary>
-    [Serializable]
-	public class Token
-	{
-		
-		/// <summary> 
-        /// An integer that describes the kind of this token.  This numbering
-		/// system is determined by JavaCCParser, and a table of these numbers is
-		/// stored in the file ...Constants.java.
-		/// </summary>
-		public int kind;
-		
-		/// <summary>The line number of the first character of this Token. </summary>
-		public int beginLine;
-		/// <summary>The column number of the first character of this Token. </summary>
-		public int beginColumn;
-		/// <summary>The line number of the last character of this Token. </summary>
-		public int endLine;
-		/// <summary>The column number of the last character of this Token. </summary>
-		public int endColumn;
-		
-		/// <summary>The string image of the token.</summary>
-		public string image;
-		
-		/// <summary> 
-        /// A reference to the next regular (non-special) token from the input
-		/// stream.  If this is the last token from the input stream, or if the
-		/// token manager has not read tokens beyond this one, this field is
-		/// set to null.  This is true only if this token is also a regular
-		/// token.  Otherwise, see below for a description of the contents of
-		/// this field.
-		/// </summary>
-		public Token next;
-		
-		/// <summary> 
-        /// This field is used to access special tokens that occur prior to this
-		/// token, but after the immediately preceding regular (non-special) token.
-		/// If there are no such special tokens, this field is set to null.
-		/// When there are more than one such special token, this field refers
-		/// to the last of these special tokens, which in turn refers to the next
-		/// previous special token through its specialToken field, and so on
-		/// until the first special token (whose specialToken field is null).
-		/// The next fields of special tokens refer to other special tokens that
-		/// immediately follow it (without an intervening regular token).  If there
-		/// is no such token, this field is null.
-		/// </summary>
-		public Token specialToken;
-
-	    /// <summary> 
-        /// An optional attribute value of the Token.
-	    /// Tokens which are not used as syntactic sugar will often contain
-	    /// meaningful values that will be used later on by the compiler or
-	    /// interpreter. This attribute value is often different from the image.
-	    /// Any subclass of Token that actually wants to return a non-null value can
-	    /// override this method as appropriate.
-	    /// </summary>
-	    public virtual object Value
-	    {
-	        get { return null; }
-	    }
-
-	    /// <summary> 
-        /// No-argument constructor
-        /// </summary>
-		public Token()
-		{
-		}
-		
-		/// <summary> 
-        /// Constructs a new token for the specified Image.
-        /// </summary>
-		public Token(int kind)
-            : this(kind, null)
-		{
-		}
-		
-		/// <summary> 
-        /// Constructs a new token for the specified Image and Kind.
-        /// </summary>
-		public Token(int kind, string image)
-		{
-			this.kind = kind;
-			this.image = image;
-		}
-		
-		/// <summary> 
-        /// Returns the image.
-        /// </summary>
-		public override string ToString()
-		{
-			return image;
-		}
-		
-		/// <summary> 
-        /// Returns a new Token object, by default. However, if you want, you
-		/// can create and return subclass objects based on the value of ofKind.
-		/// Simply add the cases to the switch for all those special cases.
-		/// For example, if you have a subclass of Token called IDToken that
-		/// you want to create if ofKind is ID, simply add something like :
-		/// 
-		/// case MyParserConstants.ID : return new IDToken(ofKind, image);
-		/// 
-		/// to the following switch statement. Then you can cast matchedToken
-		/// variable to the appropriate type and use sit in your lexical actions.
-		/// </summary>
-		public static Token NewToken(int ofKind, string image)
-		{
-			switch (ofKind)
-			{
-				default:  return new Token(ofKind, image);
-			}
-		}
-		
-		public static Token NewToken(int ofKind)
-		{
-			return NewToken(ofKind, null);
-		}
-	}
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Parser/TokenMgrError.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Parser/TokenMgrError.cs b/Lucene.Net.QueryParser/Surround/Parser/TokenMgrError.cs
deleted file mode 100644
index 2ccfc58..0000000
--- a/Lucene.Net.QueryParser/Surround/Parser/TokenMgrError.cs
+++ /dev/null
@@ -1,170 +0,0 @@
-using System;
-using System.Text;
-
-namespace Lucene.Net.QueryParser.Surround.Parser
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-
-	/// <summary>Token Manager Error. </summary>
-	[Serializable]
-	public class TokenMgrError : Exception
-	{
-        /*
-		* Ordinals for various reasons why an Error of this type can be thrown.
-		*/
-
-        /// <summary> Lexical error occurred.</summary>
-        internal const int LEXICAL_ERROR = 0;
-
-        /// <summary> An attempt was made to create a second instance of a static token manager.</summary>
-        internal const int STATIC_LEXER_ERROR = 1;
-
-        /// <summary> Tried to change to an invalid lexical state.</summary>
-        internal const int INVALID_LEXICAL_STATE = 2;
-
-        /// <summary> Detected (and bailed out of) an infinite loop in the token manager.</summary>
-        internal const int LOOP_DETECTED = 3;
-
-        /// <summary> Indicates the reason why the exception is thrown. It will have
-        /// one of the above 4 values.
-        /// </summary>
-        internal int errorCode;
-
-        /// <summary> 
-        /// Replaces unprintable characters by their escaped (or unicode escaped)
-        /// equivalents in the given string
-        /// </summary>
-        protected internal static string AddEscapes(string str)
-        {
-            StringBuilder retval = new StringBuilder();
-            char ch;
-            for (int i = 0; i < str.Length; i++)
-            {
-                switch (str[i])
-                {
-
-                    case (char)(0):
-                        continue;
-
-                    case '\b':
-                        retval.Append("\\b");
-                        continue;
-
-                    case '\t':
-                        retval.Append("\\t");
-                        continue;
-
-                    case '\n':
-                        retval.Append("\\n");
-                        continue;
-
-                    case '\f':
-                        retval.Append("\\f");
-                        continue;
-
-                    case '\r':
-                        retval.Append("\\r");
-                        continue;
-
-                    case '\"':
-                        retval.Append("\\\"");
-                        continue;
-
-                    case '\'':
-                        retval.Append("\\\'");
-                        continue;
-
-                    case '\\':
-                        retval.Append("\\\\");
-                        continue;
-
-                    default:
-                        if ((ch = str[i]) < 0x20 || ch > 0x7e)
-                        {
-                            string s = "0000" + Convert.ToString(ch, 16);
-                            retval.Append("\\u" + s.Substring(s.Length - 4, (s.Length) - (s.Length - 4)));
-                        }
-                        else
-                        {
-                            retval.Append(ch);
-                        }
-                        continue;
-
-                }
-            }
-            return retval.ToString();
-        }
-
-        /// <summary>
-        /// Returns a detailed message for the Error when it is thrown by the
-        /// token manager to indicate a lexical error.
-        /// </summary>
-        /// <remarks>You can customize the lexical error message by modifying this method.</remarks>
-        /// <param name="EOFSeen">indicates if EOF caused the lexical error</param>
-        /// <param name="lexState">lexical state in which this error occurred</param>
-        /// <param name="errorLine">line number when the error occurred</param>
-        /// <param name="errorColumn">column number when the error occurred</param>
-        /// <param name="errorAfter">prefix that was seen before this error occurred</param>
-        /// <param name="curChar">the offending character</param>
-        /// <returns>Detailed error message</returns>
-        protected internal static string LexicalError(bool EOFSeen, int lexState, int errorLine, int errorColumn, string errorAfter, char curChar)
-        {
-            return ("Lexical error at line " +
-                errorLine + ", column " +
-                errorColumn + ".  Encountered: " +
-                (EOFSeen ? "<EOF> " : ("\"" + AddEscapes(Convert.ToString(curChar)) + "\"") + " (" + (int)curChar + "), ") +
-                "after : \"" + AddEscapes(errorAfter) + "\"");
-        }
-
-		/// <summary> 
-        /// You can also modify the body of this method to customize your error messages.
-		/// For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
-		/// of end-users concern, so you can return something like :
-		/// 
-		/// "Internal Error : Please file a bug report .... "
-		/// 
-		/// from this method for such cases in the release version of your parser.
-		/// </summary>
-		public override string Message
-		{
-			get { return base.Message; }
-		}
-		
-		/*
-		* Constructors of various flavors follow.
-		*/
-		
-		/// <summary>No arg constructor. </summary>
-		public TokenMgrError()
-		{
-		}
-		
-		/// <summary>Constructor with message and reason. </summary>
-		public TokenMgrError(string message, int reason)
-            : base(message)
-		{
-			errorCode = reason;
-		}
-		
-		/// <summary>Full Constructor. </summary>
-		public TokenMgrError(bool EOFSeen, int lexState, int errorLine, int errorColumn, string errorAfter, char curChar, int reason)
-            : this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason)
-		{
-		}
-	}
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Query/AndQuery.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Query/AndQuery.cs b/Lucene.Net.QueryParser/Surround/Query/AndQuery.cs
deleted file mode 100644
index aa00e0d..0000000
--- a/Lucene.Net.QueryParser/Surround/Query/AndQuery.cs
+++ /dev/null
@@ -1,39 +0,0 @@
-using Lucene.Net.Search;
-using System.Collections.Generic;
-
-namespace Lucene.Net.QueryParser.Surround.Query
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-
-    /// <summary>
-    /// Factory for conjunctions
-    /// </summary>
-    public class AndQuery : ComposedQuery
-    {
-        public AndQuery(IEnumerable<SrndQuery> queries, bool inf, string opName)
-            : base(queries, inf, opName)
-        {
-        }
-
-        public override Search.Query MakeLuceneQueryFieldNoBoost(string fieldName, BasicQueryFactory qf)
-        {
-            return SrndBooleanQuery.MakeBooleanQuery( /* subqueries can be individually boosted */
-              MakeLuceneSubQueriesField(fieldName, qf), BooleanClause.Occur.MUST);
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/lucenenet/blob/679ad24c/Lucene.Net.QueryParser/Surround/Query/BasicQueryFactory.cs
----------------------------------------------------------------------
diff --git a/Lucene.Net.QueryParser/Surround/Query/BasicQueryFactory.cs b/Lucene.Net.QueryParser/Surround/Query/BasicQueryFactory.cs
deleted file mode 100644
index 8992746..0000000
--- a/Lucene.Net.QueryParser/Surround/Query/BasicQueryFactory.cs
+++ /dev/null
@@ -1,110 +0,0 @@
-using Lucene.Net.Index;
-using Lucene.Net.Search;
-using Lucene.Net.Search.Spans;
-using System.Runtime.CompilerServices;
-
-namespace Lucene.Net.QueryParser.Surround.Query
-{
-    /*
-     * Licensed to the Apache Software Foundation (ASF) under one or more
-     * contributor license agreements.  See the NOTICE file distributed with
-     * this work for additional information regarding copyright ownership.
-     * The ASF licenses this file to You under the Apache License, Version 2.0
-     * (the "License"); you may not use this file except in compliance with
-     * the License.  You may obtain a copy of the License at
-     *
-     *     http://www.apache.org/licenses/LICENSE-2.0
-     *
-     * Unless required by applicable law or agreed to in writing, software
-     * distributed under the License is distributed on an "AS IS" BASIS,
-     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     * See the License for the specific language governing permissions and
-     * limitations under the License.
-     */
-
-
-     // Create basic queries to be used during rewrite.
-     // The basic queries are TermQuery and SpanTermQuery.
-     // An exception can be thrown when too many of these are used.
-     // SpanTermQuery and TermQuery use IndexReader.termEnum(Term), which causes the buffer usage.
-     
-     // Use this class to limit the buffer usage for reading terms from an index.
-     // Default is 1024, the same as the max. number of subqueries for a BooleanQuery.
-
-
-
-    /// <summary>
-    /// Factory for creating basic term queries
-    /// </summary>
-    public class BasicQueryFactory
-    {
-        public BasicQueryFactory(int maxBasicQueries)
-        {
-            this.maxBasicQueries = maxBasicQueries;
-            this.queriesMade = 0;
-        }
-
-        public BasicQueryFactory()
-            : this(1024)
-        {
-        }
-
-        private int maxBasicQueries;
-        private int queriesMade;
-
-        public int NrQueriesMade { get { return queriesMade; } }
-        public int MaxBasicQueries { get { return maxBasicQueries; } }
-
-        public override string ToString()
-        {
-            return GetType().Name
-                + "(maxBasicQueries: " + maxBasicQueries
-                + ", queriesMade: " + queriesMade
-                + ")";
-        }
-
-        private bool AtMax
-        {
-            get { return queriesMade >= maxBasicQueries; }
-        }
-
-        [MethodImpl(MethodImplOptions.Synchronized)]
-        protected virtual void CheckMax()
-        {
-            if (AtMax)
-                throw new TooManyBasicQueries(MaxBasicQueries);
-            queriesMade++;
-        }
-
-        public TermQuery NewTermQuery(Term term)
-        {
-            CheckMax();
-            return new TermQuery(term);
-        }
-
-        public SpanTermQuery NewSpanTermQuery(Term term)
-        {
-            CheckMax();
-            return new SpanTermQuery(term);
-        }
-
-        public override int GetHashCode()
-        {
-            return GetType().GetHashCode() ^ (AtMax ? 7 : 31 * 32);
-        }
-
-        /// <summary>
-        /// Two BasicQueryFactory's are equal when they generate
-        /// the same types of basic queries, or both cannot generate queries anymore.
-        /// </summary>
-        /// <param name="obj"></param>
-        /// <returns></returns>
-        public override bool Equals(object obj)
-        {
-            if (!(obj is BasicQueryFactory))
-                return false;
-            BasicQueryFactory other = (BasicQueryFactory)obj;
-            return AtMax == other.AtMax;
-        }
-    }
-}


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