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/* Generated By:JavaCC: Do not edit this line. TimeSpanParserCore.java */
package net.intelie.pipes.generated;

import java.time.ZoneId;
import java.util.*;
import net.intelie.pipes.*;
import net.intelie.pipes.time.*;
import net.intelie.pipes.util.*;
import net.intelie.pipes.ast.*;
import java.io.Reader;


public class TimeSpanParserCore implements TimeSpanParserCoreConstants {
    public AstStack ast;
    public Token getCurrentToken() { jj_ntk(); return token; }

    private int or(Integer v, int def) {
        if (v==null) return def;
        return v;
    }

    public static String unescape(String s) {
        return Escapes.unescape(s);
    }

  final public TimeSpan start(ZoneId zone) throws ParseException {
    TimeSpan value;
    value = top(zone);
    jj_consume_token(0);
            {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final public Period startPeriod(ZoneId zone) throws ParseException {
    Period value;
    value = timezonedPeriod(zone);
    jj_consume_token(0);
            {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan top(ZoneId zone) throws ParseException {
    TimeSpan answer;
    answer = annotated(zone);
      {if (true) return answer;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan annotated(ZoneId zone) throws ParseException {
    TimeSpan answer;
    Map map = new LinkedHashMap();
    String key, value;
    Token t;
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case HASH:
      case HASHWORD:
        ;
        break;
      default:
        jj_la1[0] = jj_gen;
        break label_1;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case HASH:
        jj_consume_token(HASH);
        key = string();
        break;
      case HASHWORD:
        t = jj_consume_token(HASHWORD);
                                               key=t.image.substring(1);
        break;
      default:
        jj_la1[1] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
         value=SpanAnnotations.TRUE;
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case EQUAL:
        jj_consume_token(EQUAL);
        value = string();
        break;
      default:
        jj_la1[2] = jj_gen;
        ;
      }
          map.put(key, value);
    }
    answer = timezoned(zone);
    label_2:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case HASH:
      case HASHWORD:
        ;
        break;
      default:
        jj_la1[3] = jj_gen;
        break label_2;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case HASH:
        jj_consume_token(HASH);
        key = string();
        break;
      case HASHWORD:
        t = jj_consume_token(HASHWORD);
                                               key=t.image.substring(1);
        break;
      default:
        jj_la1[4] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
         value=SpanAnnotations.TRUE;
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case EQUAL:
        jj_consume_token(EQUAL);
        value = string();
        break;
      default:
        jj_la1[5] = jj_gen;
        ;
      }
          map.put(key, value);
    }
        if (map.size() == 0) {if (true) return answer;}
        {if (true) return new AnnotatedSpan(answer, new SpanAnnotations(map));}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan timezoned(ZoneId zone) throws ParseException {
    TimeSpan value;
    String tz;
    label_3:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TIMEZONE:
        ;
        break;
      default:
        jj_la1[6] = jj_gen;
        break label_3;
      }
      jj_consume_token(TIMEZONE);
      tz = string();
                                 zone = ZoneId.of(tz);
    }
    value = largest(zone);
    label_4:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TIMEZONE:
        ;
        break;
      default:
        jj_la1[7] = jj_gen;
        break label_4;
      }
      jj_consume_token(TIMEZONE);
      tz = string();
                                 zone = ZoneId.of(tz);
    }
      {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final private Period timezonedPeriod(ZoneId zone) throws ParseException {
    Period value;
    String tz;
    label_5:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TIMEZONE:
        ;
        break;
      default:
        jj_la1[8] = jj_gen;
        break label_5;
      }
      jj_consume_token(TIMEZONE);
      tz = string();
                                 zone = ZoneId.of(tz);
    }
    value = periodList(zone);
      {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan largest(ZoneId zone) throws ParseException {
    TimeSpan value;
    List list;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case UNION:
      jj_consume_token(UNION);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OF:
        jj_consume_token(OF);
        break;
      default:
        jj_la1[9] = jj_gen;
        ;
      }
      list = spanList(zone);
                                              {if (true) return new UnionSpan(list);}
      break;
    case INTERSECTION:
      jj_consume_token(INTERSECTION);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OF:
        jj_consume_token(OF);
        break;
      default:
        jj_la1[10] = jj_gen;
        ;
      }
      list = spanList(zone);
                                                       {if (true) return new IntersectionSpan(list);}
      break;
    case JAN:
    case FEB:
    case MAR:
    case APR:
    case MAY:
    case JUN:
    case JUL:
    case AUG:
    case SEP:
    case OCT:
    case NOV:
    case DEC:
    case MON:
    case TUE:
    case WED:
    case THU:
    case FRI:
    case SAT:
    case SUN:
    case CRON:
    case TIMESTAMP:
    case TS:
    case WINDOW:
    case FROM:
    case START:
    case END:
    case TO:
    case UNTIL:
    case ROCKET:
    case CURRENT:
    case THIS:
    case PREVIOUS:
    case YESTER:
    case YESTERTHING:
    case TOMORROW:
    case COMING:
    case NEXT:
    case BEFORE:
    case AFTER:
    case SINCE:
    case THE:
    case A:
    case NOW:
    case NONE:
    case TODAY:
    case LAST:
    case FIRST:
    case LPAREN:
    case WORD:
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      value = shiftable(zone);
                                {if (true) return value;}
      break;
    default:
      jj_la1[11] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private List spanList(ZoneId zone) throws ParseException {
    TimeSpan value;
    List list = new ArrayList();
    value = shiftable(zone);
                              list.add(value);
    label_6:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case COMMA:
      case AND:
        ;
        break;
      default:
        jj_la1[12] = jj_gen;
        break label_6;
      }
      label_7:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case AND:
          jj_consume_token(AND);
          break;
        case COMMA:
          jj_consume_token(COMMA);
          break;
        default:
          jj_la1[13] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case COMMA:
        case AND:
          ;
          break;
        default:
          jj_la1[14] = jj_gen;
          break label_7;
        }
      }
      value = shiftable(zone);
                                                 list.add(value);
    }
      {if (true) return list;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan shiftable(ZoneId zone) throws ParseException {
    TimeSpan value;
    TimeSpan refValue;
    Period periods;
    int intv;
    value = composable(zone);
    label_8:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case SHIFTED:
      case RELATIVE:
      case EXTEND:
      case ALIGN:
        ;
        break;
      default:
        jj_la1[15] = jj_gen;
        break label_8;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case SHIFTED:
        jj_consume_token(SHIFTED);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case CRON:
        case START:
        case END:
        case BY:
        case A:
        case WORD:
        case NUMBER2:
        case NUMBER4:
        case DATE_NUMBER:
        case NUMBER:
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case CRON:
          case START:
          case BY:
          case A:
          case WORD:
          case NUMBER2:
          case NUMBER4:
          case DATE_NUMBER:
          case NUMBER:
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case START:
              jj_consume_token(START);
              break;
            default:
              jj_la1[16] = jj_gen;
              ;
            }
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case BY:
              jj_consume_token(BY);
              break;
            default:
              jj_la1[17] = jj_gen;
              ;
            }
            if (jj_2_1(2)) {
              intv = intNumber();
              jj_consume_token(PERCENT);
                                                            value = new ShiftByPercentSpan(value, Where.LEFT, intv);
            } else {
              switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
              case CRON:
              case A:
              case WORD:
              case NUMBER2:
              case NUMBER4:
              case DATE_NUMBER:
              case NUMBER:
                periods = periodList(zone);
                                                 value = new ShiftBySpan(value, Where.LEFT, periods);
                break;
              default:
                jj_la1[18] = jj_gen;
                jj_consume_token(-1);
                throw new ParseException();
              }
            }
            break;
          case END:
            jj_consume_token(END);
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case BY:
              jj_consume_token(BY);
              break;
            default:
              jj_la1[19] = jj_gen;
              ;
            }
            if (jj_2_2(2)) {
              intv = intNumber();
              jj_consume_token(PERCENT);
                                                            value = new ShiftByPercentSpan(value, Where.RIGHT, intv);
            } else {
              switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
              case CRON:
              case A:
              case WORD:
              case NUMBER2:
              case NUMBER4:
              case DATE_NUMBER:
              case NUMBER:
                periods = periodList(zone);
                                                 value = new ShiftBySpan(value, Where.RIGHT, periods);
                break;
              default:
                jj_la1[20] = jj_gen;
                jj_consume_token(-1);
                throw new ParseException();
              }
            }
            break;
          default:
            jj_la1[21] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
          break;
        case TO:
          jj_consume_token(TO);
          refValue = expression(zone);
                                             value = new ShiftToSpan(value, refValue);
          break;
        default:
          jj_la1[22] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      case RELATIVE:
        jj_consume_token(RELATIVE);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case TO:
          jj_consume_token(TO);
          break;
        default:
          jj_la1[23] = jj_gen;
          ;
        }
        refValue = expression(zone);
                                                      value = new ShiftToSpan(value, refValue);
        break;
      case EXTEND:
        jj_consume_token(EXTEND);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case CRON:
        case START:
        case BY:
        case A:
        case WORD:
        case NUMBER2:
        case NUMBER4:
        case DATE_NUMBER:
        case NUMBER:
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case START:
            jj_consume_token(START);
            break;
          default:
            jj_la1[24] = jj_gen;
            ;
          }
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case BY:
            jj_consume_token(BY);
            break;
          default:
            jj_la1[25] = jj_gen;
            ;
          }
          if (jj_2_3(2)) {
            intv = intNumber();
            jj_consume_token(PERCENT);
                                                      value = new ExtendPercentSpan(value, Where.LEFT, intv);
          } else {
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case CRON:
            case A:
            case WORD:
            case NUMBER2:
            case NUMBER4:
            case DATE_NUMBER:
            case NUMBER:
              periods = periodList(zone);
                                           value = new ExtendSpan(value, Where.LEFT, periods);
              break;
            default:
              jj_la1[26] = jj_gen;
              jj_consume_token(-1);
              throw new ParseException();
            }
          }
          break;
        case END:
          jj_consume_token(END);
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case BY:
            jj_consume_token(BY);
            break;
          default:
            jj_la1[27] = jj_gen;
            ;
          }
          if (jj_2_4(2)) {
            intv = intNumber();
            jj_consume_token(PERCENT);
                                                      value = new ExtendPercentSpan(value, Where.RIGHT, intv);
          } else {
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case CRON:
            case A:
            case WORD:
            case NUMBER2:
            case NUMBER4:
            case DATE_NUMBER:
            case NUMBER:
              periods = periodList(zone);
                                           value = new ExtendSpan(value, Where.RIGHT, periods);
              break;
            default:
              jj_la1[28] = jj_gen;
              jj_consume_token(-1);
              throw new ParseException();
            }
          }
          break;
        default:
          jj_la1[29] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      case ALIGN:
        jj_consume_token(ALIGN);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case START:
        case TO:
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case START:
            jj_consume_token(START);
            break;
          default:
            jj_la1[30] = jj_gen;
            ;
          }
          jj_consume_token(TO);
          refValue = expression(zone);
                                                        value = new AlignSpan(value, Where.LEFT, refValue);
          break;
        case END:
          jj_consume_token(END);
          jj_consume_token(TO);
          refValue = expression(zone);
                                                    value = new AlignSpan(value, Where.RIGHT, refValue);
          break;
        default:
          jj_la1[31] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        break;
      default:
        jj_la1[32] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
      {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan composable(ZoneId zone) throws ParseException {
    boolean composite = false;
    TimeSpan start = null, end = null;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case FROM:
    case SINCE:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case SINCE:
        jj_consume_token(SINCE);
        break;
      case FROM:
        jj_consume_token(FROM);
        break;
      default:
        jj_la1[33] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      start = shiftable2(zone);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TO:
      case UNTIL:
      case ROCKET:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case TO:
          jj_consume_token(TO);
          break;
        case UNTIL:
          jj_consume_token(UNTIL);
          break;
        case ROCKET:
          jj_consume_token(ROCKET);
          break;
        default:
          jj_la1[34] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        end = shiftable2(zone);
        break;
      default:
        jj_la1[35] = jj_gen;
        ;
      }
                                                                                                      composite = true;
      break;
    case TO:
    case UNTIL:
    case ROCKET:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TO:
        jj_consume_token(TO);
        break;
      case UNTIL:
        jj_consume_token(UNTIL);
        break;
      case ROCKET:
        jj_consume_token(ROCKET);
        break;
      default:
        jj_la1[36] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      end = shiftable2(zone);
                                                         composite = true;
      break;
    case JAN:
    case FEB:
    case MAR:
    case APR:
    case MAY:
    case JUN:
    case JUL:
    case AUG:
    case SEP:
    case OCT:
    case NOV:
    case DEC:
    case MON:
    case TUE:
    case WED:
    case THU:
    case FRI:
    case SAT:
    case SUN:
    case CRON:
    case TIMESTAMP:
    case TS:
    case WINDOW:
    case START:
    case END:
    case CURRENT:
    case THIS:
    case PREVIOUS:
    case YESTER:
    case YESTERTHING:
    case TOMORROW:
    case COMING:
    case NEXT:
    case BEFORE:
    case AFTER:
    case THE:
    case A:
    case NOW:
    case NONE:
    case TODAY:
    case LAST:
    case FIRST:
    case LPAREN:
    case WORD:
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      start = shiftable2(zone);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TO:
      case UNTIL:
      case ROCKET:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case TO:
          jj_consume_token(TO);
          break;
        case UNTIL:
          jj_consume_token(UNTIL);
          break;
        case ROCKET:
          jj_consume_token(ROCKET);
          break;
        default:
          jj_la1[37] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
                                                            composite = true;
        end = shiftable2(zone);
        break;
      default:
        jj_la1[38] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[39] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
        if (composite)
            {if (true) return new CompositeSpan(start, end);}
        else
            {if (true) return start;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan shiftable2(ZoneId zone) throws ParseException {
    TimeSpan value;
    TimeSpan refValue;
    value = expression(zone);
    label_9:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OF:
        ;
        break;
      default:
        jj_la1[40] = jj_gen;
        break label_9;
      }
      jj_consume_token(OF);
      refValue = expression(zone);
                                        value = new ShiftToSpan(value, refValue);
    }
    label_10:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case IN:
        ;
        break;
      default:
        jj_la1[41] = jj_gen;
        break label_10;
      }
      jj_consume_token(IN);
      refValue = expression(zone);
                                        value = new ShiftToSpan(refValue, value);
    }
      {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan expression(ZoneId zone) throws ParseException {
    TimeSpan value;
    TimeSpan refValue;
    Period periods;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case THE:
      jj_consume_token(THE);
      break;
    default:
      jj_la1[42] = jj_gen;
      ;
    }
    if (jj_2_5(2)) {
      value = relativeOrPointOrPeriod(zone);
    } else if (jj_2_6(2)) {
      value = relativeOrdinal(zone);
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case LAST:
        value = relativeLast(zone);
        break;
      case NEXT:
        value = relativeNext(zone);
        break;
      case START:
      case END:
      case BEFORE:
      case AFTER:
        value = relativeBeforeAfter(zone);
        break;
      case WINDOW:
        value = windowOf(zone);
        break;
      case CURRENT:
      case THIS:
        value = relativeCurrent(zone);
        break;
      case PREVIOUS:
      case YESTER:
      case YESTERTHING:
      case TOMORROW:
      case COMING:
        value = relativePrevious(zone);
        break;
      case NUMBER4:
      case DATE_NUMBER:
        value = formattedDate(zone);
        break;
      case NUMBER2:
        value = formattedTime(zone);
        break;
      case JAN:
      case FEB:
      case MAR:
      case APR:
      case MAY:
      case JUN:
      case JUL:
      case AUG:
      case SEP:
      case OCT:
      case NOV:
      case DEC:
        value = monthOrDayOfMonth(zone);
        break;
      case MON:
      case TUE:
      case WED:
      case THU:
      case FRI:
      case SAT:
      case SUN:
        value = weekday(zone);
        break;
      case TIMESTAMP:
      case TS:
        value = timestamp(zone);
        break;
      case NOW:
      case NONE:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case NOW:
          jj_consume_token(NOW);
          break;
        case NONE:
          jj_consume_token(NONE);
          break;
        default:
          jj_la1[43] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
                        value =  PointSpan.NOW;
        break;
      case TODAY:
        jj_consume_token(TODAY);
                 value = PeriodSpan.today(zone);
        break;
      case LPAREN:
        jj_consume_token(LPAREN);
        value = top(zone);
        jj_consume_token(RPAREN);
        break;
      default:
        jj_la1[44] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
      {if (true) return value;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativeOrPointOrPeriod(ZoneId zone) throws ParseException {
    Period periods;
    TimeSpan span;
    periods = periodList(zone);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case OF:
      jj_consume_token(OF);
      span = expression(zone);
              {if (true) return new PeriodSpan(periods, span);}
      break;
    case AGO:
      jj_consume_token(AGO);
              {if (true) return new PointSpan(periods);}
      break;
    case BEFORE:
      jj_consume_token(BEFORE);
      span = expression(zone);
              {if (true) return new BeforeSpan(span, periods);}
      break;
    case AFTER:
      jj_consume_token(AFTER);
      span = expression(zone);
              {if (true) return new AfterSpan(span, periods);}
      break;
    default:
      jj_la1[45] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativeOrdinal(ZoneId zone) throws ParseException {
    int ordinal = 1;
    Period period;
    TimeSpan span;
    ordinal = ordinal();
    period = period(zone);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case OF:
    case IN:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OF:
        jj_consume_token(OF);
        break;
      case IN:
        jj_consume_token(IN);
        break;
      default:
        jj_la1[46] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[47] = jj_gen;
      ;
    }
    span = expression(zone);
      {if (true) return new InsideSpan(ordinal, period, span);}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativeBeforeAfter(ZoneId zone) throws ParseException {
    TimeSpan span;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case START:
    case BEFORE:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case BEFORE:
        jj_consume_token(BEFORE);
        break;
      case START:
        jj_consume_token(START);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case OF:
        case IN:
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case OF:
            jj_consume_token(OF);
            break;
          case IN:
            jj_consume_token(IN);
            break;
          default:
            jj_la1[48] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
          break;
        default:
          jj_la1[49] = jj_gen;
          ;
        }
        break;
      default:
        jj_la1[50] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      span = expression(zone);
              {if (true) return new BeforeSpan(span);}
      break;
    case END:
    case AFTER:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case AFTER:
        jj_consume_token(AFTER);
        break;
      case END:
        jj_consume_token(END);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case OF:
        case IN:
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case OF:
            jj_consume_token(OF);
            break;
          case IN:
            jj_consume_token(IN);
            break;
          default:
            jj_la1[51] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
          break;
        default:
          jj_la1[52] = jj_gen;
          ;
        }
        break;
      default:
        jj_la1[53] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      span = expression(zone);
              {if (true) return new AfterSpan(span);}
      break;
    default:
      jj_la1[54] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan windowOf(ZoneId zone) throws ParseException {
    TimeSpan span;
    jj_consume_token(WINDOW);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case OF:
    case IN:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case OF:
        jj_consume_token(OF);
        break;
      case IN:
        jj_consume_token(IN);
        break;
      default:
        jj_la1[55] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[56] = jj_gen;
      ;
    }
    span = expression(zone);
      {if (true) return new WindowOfSpan(span);}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativePrevious(ZoneId zone) throws ParseException {
    Token t;
    SimplePeriod period;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PREVIOUS:
    case YESTER:
    case YESTERTHING:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case PREVIOUS:
      case YESTER:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case PREVIOUS:
          jj_consume_token(PREVIOUS);
          break;
        case YESTER:
          jj_consume_token(YESTER);
          break;
        default:
          jj_la1[57] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        period = simplePeriod(zone);
        break;
      case YESTERTHING:
        t = jj_consume_token(YESTERTHING);
                         period = new SimplePeriod(1, t.image.substring(6), zone);
        break;
      default:
        jj_la1[58] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
        {if (true) return BeforeSpan.previous(period);}
      break;
    case TOMORROW:
    case COMING:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TOMORROW:
        jj_consume_token(TOMORROW);
                    period = new SimplePeriod(1, "day", zone);
        break;
      case COMING:
        jj_consume_token(COMING);
        period = simplePeriod(zone);
        break;
      default:
        jj_la1[59] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
          {if (true) return AfterSpan.coming(period);}
      break;
    default:
      jj_la1[60] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativeCurrent(ZoneId zone) throws ParseException {
    Period period;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case CURRENT:
      jj_consume_token(CURRENT);
      break;
    case THIS:
      jj_consume_token(THIS);
      break;
    default:
      jj_la1[61] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    period = period(zone);
      {if (true) return new PeriodSpan(period);}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativeLast(ZoneId zone) throws ParseException {
    Period periods;
    jj_consume_token(LAST);
    periods = periodList(zone);
      {if (true) return new BeforeSpan(PointSpan.NOW, periods);}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan relativeNext(ZoneId zone) throws ParseException {
    Period periods;
    jj_consume_token(NEXT);
    periods = periodList(zone);
      {if (true) return new AfterSpan(PointSpan.NOW, periods);}
    throw new Error("Missing return statement in function");
  }

  final private Period periodList(ZoneId zone) throws ParseException {
    List periods = new ArrayList();
    Period period;
    period = period(zone);
                            periods.add(period);
    label_11:
    while (true) {
      if (jj_2_7(2)) {
        ;
      } else {
        break label_11;
      }
      label_12:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case COMMA:
          jj_consume_token(COMMA);
          break;
        case AND:
          jj_consume_token(AND);
          break;
        default:
          jj_la1[62] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case COMMA:
        case AND:
          ;
          break;
        default:
          jj_la1[63] = jj_gen;
          break label_12;
        }
      }
      period = period(zone);
                                                              periods.add(period);
    }
      {if (true) return PeriodList.of(periods);}
    throw new Error("Missing return statement in function");
  }

  final private SimplePeriod simplePeriod(ZoneId zone) throws ParseException {
    Token t;
    int amount = 1;
    String unit;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case A:
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case NUMBER2:
      case NUMBER4:
      case DATE_NUMBER:
      case NUMBER:
        amount = intNumber();
        break;
      case A:
        jj_consume_token(A);
        break;
      default:
        jj_la1[64] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[65] = jj_gen;
      ;
    }
    t = jj_consume_token(WORD);
                 unit = t.image;
      {if (true) return new SimplePeriod(amount, unit, zone);}
    throw new Error("Missing return statement in function");
  }

  final private Period period(ZoneId zone) throws ParseException {
    Period e;
    String unit;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case A:
    case WORD:
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      e = simplePeriod(zone);
      break;
    case CRON:
      jj_consume_token(CRON);
      jj_consume_token(LPAREN);
      unit = string();
      jj_consume_token(RPAREN);
                                                 e = new CronPeriod(unit, zone);
      break;
    default:
      jj_la1[66] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return e;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan timestamp(ZoneId zone) throws ParseException {
    long value;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case TIMESTAMP:
      jj_consume_token(TIMESTAMP);
      break;
    case TS:
      jj_consume_token(TS);
      break;
    default:
      jj_la1[67] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    value = longNumber();
      {if (true) return new TimestampSpan(value);}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan monthOrDayOfMonth(ZoneId zone) throws ParseException {
    int number;
    TimeSpan answer;
    answer = month(zone);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case FIRST:
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      number = ordinalOrInt();
                                    answer = InsideSpan.dayOfSpan(number, zone, answer);
      break;
    default:
      jj_la1[68] = jj_gen;
      ;
    }
      {if (true) return answer;}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan month(ZoneId zone) throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case JAN:
      jj_consume_token(JAN);
            {if (true) return InsideSpan.monthOfYear(1, zone);}
      break;
    case FEB:
      jj_consume_token(FEB);
            {if (true) return InsideSpan.monthOfYear(2, zone);}
      break;
    case MAR:
      jj_consume_token(MAR);
            {if (true) return InsideSpan.monthOfYear(3, zone);}
      break;
    case APR:
      jj_consume_token(APR);
            {if (true) return InsideSpan.monthOfYear(4, zone);}
      break;
    case MAY:
      jj_consume_token(MAY);
            {if (true) return InsideSpan.monthOfYear(5, zone);}
      break;
    case JUN:
      jj_consume_token(JUN);
            {if (true) return InsideSpan.monthOfYear(6, zone);}
      break;
    case JUL:
      jj_consume_token(JUL);
            {if (true) return InsideSpan.monthOfYear(7, zone);}
      break;
    case AUG:
      jj_consume_token(AUG);
            {if (true) return InsideSpan.monthOfYear(8, zone);}
      break;
    case SEP:
      jj_consume_token(SEP);
            {if (true) return InsideSpan.monthOfYear(9, zone);}
      break;
    case OCT:
      jj_consume_token(OCT);
            {if (true) return InsideSpan.monthOfYear(10, zone);}
      break;
    case NOV:
      jj_consume_token(NOV);
            {if (true) return InsideSpan.monthOfYear(11, zone);}
      break;
    case DEC:
      jj_consume_token(DEC);
            {if (true) return InsideSpan.monthOfYear(12, zone);}
      break;
    default:
      jj_la1[69] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan weekday(ZoneId zone) throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case MON:
      jj_consume_token(MON);
            {if (true) return InsideSpan.dayOfWeek(1, zone);}
      break;
    case TUE:
      jj_consume_token(TUE);
            {if (true) return InsideSpan.dayOfWeek(2, zone);}
      break;
    case WED:
      jj_consume_token(WED);
            {if (true) return InsideSpan.dayOfWeek(3, zone);}
      break;
    case THU:
      jj_consume_token(THU);
            {if (true) return InsideSpan.dayOfWeek(4, zone);}
      break;
    case FRI:
      jj_consume_token(FRI);
            {if (true) return InsideSpan.dayOfWeek(5, zone);}
      break;
    case SAT:
      jj_consume_token(SAT);
            {if (true) return InsideSpan.dayOfWeek(6, zone);}
      break;
    case SUN:
      jj_consume_token(SUN);
            {if (true) return InsideSpan.dayOfWeek(7, zone);}
      break;
    default:
      jj_la1[70] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan formattedTime(ZoneId zone) throws ParseException {
    int hour;
    Integer  minute = null, second = null;
    PeriodUnit unit;
    hour = int2();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case NUMBER2:
      minute = int2();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case NUMBER2:
        second = int2();
        break;
      default:
        jj_la1[71] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[72] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case H:
      jj_consume_token(H);
      break;
    default:
      jj_la1[73] = jj_gen;
      ;
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case AM:
    case PM:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case AM:
        jj_consume_token(AM);
            if (hour == 12) hour-=12;
        break;
      case PM:
        jj_consume_token(PM);
            if (hour < 12) hour+=12;
        break;
      default:
        jj_la1[74] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[75] = jj_gen;
      ;
    }
        if (second != null)
            unit = PeriodUnit.SECOND;
        else if (minute != null)
            unit = PeriodUnit.MINUTE;
        else
            unit = PeriodUnit.HOUR;
        {if (true) return new HourSpan(hour, or(minute, 0), or(second, 0), unit, zone);}
    throw new Error("Missing return statement in function");
  }

  final private TimeSpan formattedDate(ZoneId zone) throws ParseException {
    Token t;
    int year;
    Integer month = null, day = null, hour = null, minute = null, second = null;
    PeriodUnit unit;
    boolean onlyYear = true;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case DATE_NUMBER:
      t = jj_consume_token(DATE_NUMBER);
            onlyYear = false;
            year = Integer.parseInt(t.image.substring(0, 4));
            month = Integer.parseInt(t.image.substring(4, 6));
            if (t.image.length() >= 8)
                day = Integer.parseInt(t.image.substring(6, 8));
            if (t.image.length() >= 10)
                hour = Integer.parseInt(t.image.substring(8, 10));
            if (t.image.length() >= 12)
                minute = Integer.parseInt(t.image.substring(10, 12));
            if (t.image.length() >= 14)
                second = Integer.parseInt(t.image.substring(12, 14));
      break;
    case NUMBER4:
      year = int4();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case NUMBER2:
        month = int2();
                         onlyYear = false;
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case NUMBER2:
          day = int2();
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case NUMBER2:
            hour = int2();
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case NUMBER2:
              minute = int2();
              switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
              case NUMBER2:
                second = int2();
                break;
              default:
                jj_la1[76] = jj_gen;
                ;
              }
              break;
            default:
              jj_la1[77] = jj_gen;
              ;
            }
            break;
          default:
            jj_la1[78] = jj_gen;
            ;
          }
          break;
        default:
          jj_la1[79] = jj_gen;
          ;
        }
        break;
      default:
        jj_la1[80] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[81] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case AM:
    case PM:
          if (onlyYear) { hour = year / 100; minute = year % 100; }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case AM:
        jj_consume_token(AM);
                if (hour != null && hour == 12) hour-=12;
        break;
      case PM:
        jj_consume_token(PM);
                if (hour != null && hour < 12) hour+=12;
        break;
      default:
        jj_la1[82] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
            if (onlyYear)
                {if (true) return new HourSpan(hour, or(minute, 0), 0, PeriodUnit.MINUTE, zone);}
      break;
    default:
      jj_la1[83] = jj_gen;
      ;
    }
        if (second != null)
            unit = PeriodUnit.SECOND;
        else if (minute != null)
            unit = PeriodUnit.MINUTE;
        else if (hour != null)
            unit = PeriodUnit.HOUR;
        else if (day != null)
            unit = PeriodUnit.DAY;
        else if (month != null)
            unit = PeriodUnit.MONTH;
        else
            unit = PeriodUnit.YEAR;
        {if (true) return new DateSpan(year, or(month, 1), or(day, 1), or(hour, 0), or(minute, 0), or(second, 0), unit, zone);}
    throw new Error("Missing return statement in function");
  }

  final private String string() throws ParseException {
    Token e;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case STRING:
      e = jj_consume_token(STRING);
        {if (true) return unescape(e.image.substring(1, e.image.length()-1));}
      break;
    case WORD:
      e = jj_consume_token(WORD);
        {if (true) return e.image;}
      break;
    default:
      jj_la1[84] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private int ordinal() throws ParseException {
    int n;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      n = intNumber();
      jj_consume_token(TH);
                         {if (true) return n;}
      break;
    case FIRST:
      jj_consume_token(FIRST);
                {if (true) return 1;}
      break;
    default:
      jj_la1[85] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private int ordinalOrInt() throws ParseException {
    int n;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case NUMBER2:
    case NUMBER4:
    case DATE_NUMBER:
    case NUMBER:
      n = intNumber();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TH:
        jj_consume_token(TH);
        break;
      default:
        jj_la1[86] = jj_gen;
        ;
      }
                              {if (true) return n;}
      break;
    case FIRST:
      jj_consume_token(FIRST);
                {if (true) return 1;}
      break;
    default:
      jj_la1[87] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final private int int2() throws ParseException {
    Token t;
    t = jj_consume_token(NUMBER2);
                    {if (true) return Integer.parseInt(t.image);}
    throw new Error("Missing return statement in function");
  }

  final private int int4() throws ParseException {
    Token t;
    t = jj_consume_token(NUMBER4);
                    {if (true) return Integer.parseInt(t.image);}
    throw new Error("Missing return statement in function");
  }

  final private int intNumber() throws ParseException {
    Token t;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case NUMBER:
      t = jj_consume_token(NUMBER);
      break;
    case DATE_NUMBER:
      t = jj_consume_token(DATE_NUMBER);
      break;
    case NUMBER2:
      t = jj_consume_token(NUMBER2);
      break;
    case NUMBER4:
      t = jj_consume_token(NUMBER4);
      break;
    default:
      jj_la1[88] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
                                                           {if (true) return Integer.parseInt(t.image);}
    throw new Error("Missing return statement in function");
  }

  final private long longNumber() throws ParseException {
    Token t;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case NUMBER:
      t = jj_consume_token(NUMBER);
      break;
    case DATE_NUMBER:
      t = jj_consume_token(DATE_NUMBER);
      break;
    case NUMBER2:
      t = jj_consume_token(NUMBER2);
      break;
    case NUMBER4:
      t = jj_consume_token(NUMBER4);
      break;
    default:
      jj_la1[89] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
                                                           {if (true) return Long.parseLong(t.image);}
    throw new Error("Missing return statement in function");
  }

  private boolean jj_2_1(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_1(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(0, xla); }
  }

  private boolean jj_2_2(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_2(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(1, xla); }
  }

  private boolean jj_2_3(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_3(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(2, xla); }
  }

  private boolean jj_2_4(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_4(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(3, xla); }
  }

  private boolean jj_2_5(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_5(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(4, xla); }
  }

  private boolean jj_2_6(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_6(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(5, xla); }
  }

  private boolean jj_2_7(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_7(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(6, xla); }
  }

  private boolean jj_3_7() {
    Token xsp;
    if (jj_3R_16()) return true;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3R_16()) { jj_scanpos = xsp; break; }
    }
    if (jj_3R_17()) return true;
    return false;
  }

  private boolean jj_3R_18() {
    if (jj_3R_17()) return true;
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3_7()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  private boolean jj_3_4() {
    if (jj_3R_13()) return true;
    if (jj_scan_token(PERCENT)) return true;
    return false;
  }

  private boolean jj_3_3() {
    if (jj_3R_13()) return true;
    if (jj_scan_token(PERCENT)) return true;
    return false;
  }

  private boolean jj_3R_27() {
    if (jj_scan_token(FIRST)) return true;
    return false;
  }

  private boolean jj_3_6() {
    if (jj_3R_15()) return true;
    return false;
  }

  private boolean jj_3_5() {
    if (jj_3R_14()) return true;
    return false;
  }

  private boolean jj_3_2() {
    if (jj_3R_13()) return true;
    if (jj_scan_token(PERCENT)) return true;
    return false;
  }

  private boolean jj_3R_26() {
    if (jj_3R_13()) return true;
    if (jj_scan_token(TH)) return true;
    return false;
  }

  private boolean jj_3R_23() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_26()) {
    jj_scanpos = xsp;
    if (jj_3R_27()) return true;
    }
    return false;
  }

  private boolean jj_3_1() {
    if (jj_3R_13()) return true;
    if (jj_scan_token(PERCENT)) return true;
    return false;
  }

  private boolean jj_3R_15() {
    if (jj_3R_23()) return true;
    if (jj_3R_17()) return true;
    return false;
  }

  private boolean jj_3R_25() {
    if (jj_scan_token(CRON)) return true;
    if (jj_scan_token(LPAREN)) return true;
    return false;
  }

  private boolean jj_3R_24() {
    if (jj_3R_28()) return true;
    return false;
  }

  private boolean jj_3R_22() {
    if (jj_scan_token(AFTER)) return true;
    return false;
  }

  private boolean jj_3R_17() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_24()) {
    jj_scanpos = xsp;
    if (jj_3R_25()) return true;
    }
    return false;
  }

  private boolean jj_3R_16() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(59)) {
    jj_scanpos = xsp;
    if (jj_scan_token(66)) return true;
    }
    return false;
  }

  private boolean jj_3R_21() {
    if (jj_scan_token(BEFORE)) return true;
    return false;
  }

  private boolean jj_3R_20() {
    if (jj_scan_token(AGO)) return true;
    return false;
  }

  private boolean jj_3R_19() {
    if (jj_scan_token(OF)) return true;
    return false;
  }

  private boolean jj_3R_30() {
    if (jj_3R_13()) return true;
    return false;
  }

  private boolean jj_3R_29() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_30()) {
    jj_scanpos = xsp;
    if (jj_scan_token(61)) return true;
    }
    return false;
  }

  private boolean jj_3R_28() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_29()) jj_scanpos = xsp;
    if (jj_scan_token(WORD)) return true;
    return false;
  }

  private boolean jj_3R_13() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(78)) {
    jj_scanpos = xsp;
    if (jj_scan_token(77)) {
    jj_scanpos = xsp;
    if (jj_scan_token(75)) {
    jj_scanpos = xsp;
    if (jj_scan_token(76)) return true;
    }
    }
    }
    return false;
  }

  private boolean jj_3R_14() {
    if (jj_3R_18()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_19()) {
    jj_scanpos = xsp;
    if (jj_3R_20()) {
    jj_scanpos = xsp;
    if (jj_3R_21()) {
    jj_scanpos = xsp;
    if (jj_3R_22()) return true;
    }
    }
    }
    return false;
  }

  /** Generated Token Manager. */
  public TimeSpanParserCoreTokenManager 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;
  final private int[] jj_la1 = new int[90];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static private int[] jj_la1_2;
  static {
      jj_la1_init_0();
      jj_la1_init_1();
      jj_la1_init_2();
   }
   private static void jj_la1_init_0() {
      jj_la1_0 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x9c7ffff0,0x0,0x0,0x0,0x60000000,0x0,0x0,0x4000000,0x0,0x4000000,0x4000000,0x4000000,0x0,0x0,0x0,0x4000000,0x0,0x4000000,0x4000000,0x0,0x0,0x60000000,0x0,0x0,0x0,0x0,0x0,0x0,0x9c7ffff0,0x0,0x0,0x0,0x0,0x987ffff0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4000000,0x18000000,0x0,0xfff0,0x7f0000,0x0,0x0,0x2000000,0x1800000,0x1800000,0x0,0x0,0x0,0x0,0x0,0x0,0x1800000,0x1800000,0x0,0x0,0x0,0x0,0x0,0x0,};
   }
   private static void jj_la1_init_1() {
      jj_la1_1 = new int[] {0x1000,0x1000,0x800,0x1000,0x1000,0x800,0x0,0x0,0x0,0x2000,0x2000,0xf7ff07b9,0x8000000,0x8000000,0x8000000,0x6,0x8,0x40,0x20000000,0x40,0x20000000,0x20000058,0x20000078,0x20,0x8,0x40,0x20000000,0x40,0x20000000,0x20000058,0x8,0x38,0x6,0x4000001,0x4a0,0x4a0,0x4a0,0x4a0,0x4a0,0xf7ff04b9,0x2000,0x4000,0x10000000,0xc0000000,0xc3ff0018,0x3002000,0x6000,0x6000,0x6000,0x6000,0x1000008,0x6000,0x6000,0x2000010,0x3000018,0x6000,0x6000,0xc0000,0x1c0000,0x600000,0x7c0000,0x30000,0x8000000,0x8000000,0x20000000,0x20000000,0x20000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8000,0x0,0x0,0x0,};
   }
   private static void jj_la1_init_2() {
      jj_la1_2 = new int[] {0x400,0x400,0x0,0x400,0x400,0x0,0x20,0x20,0x20,0x0,0x0,0x7a99,0x4,0x4,0x4,0x0,0x0,0x0,0x7a00,0x0,0x7a00,0x7a00,0x7a00,0x0,0x0,0x0,0x7a00,0x0,0x7a00,0x7a00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7a99,0x0,0x0,0x0,0x0,0x3889,0x2,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x4,0x7800,0x7800,0x7a00,0x0,0x7810,0x0,0x0,0x800,0x800,0x0,0x0,0x0,0x800,0x800,0x800,0x800,0x800,0x3000,0x0,0x0,0x8200,0x7810,0x0,0x7810,0x7800,0x7800,};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[7];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  /** Constructor with user supplied CharStream. */
  public TimeSpanParserCore(CharStream stream) {
    token_source = new TimeSpanParserCoreTokenManager(stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 90; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(CharStream stream) {
    token_source.ReInit(stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 90; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Constructor with generated Token Manager. */
  public TimeSpanParserCore(TimeSpanParserCoreTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 90; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(TimeSpanParserCoreTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 90; 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) throws ParseException {
    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();
  }

  static private final class LookaheadSuccess extends java.lang.Error { }
  final static private LookaheadSuccess jj_ls = new LookaheadSuccess();
  private boolean 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;
  }


/** Get the next Token. */
  final public Token getNextToken() {
    if (token.next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    jj_gen++;
    return token;
  }

/** Get the specific Token. */
  final 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 java.util.List jj_expentries = new java.util.ArrayList();
  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];
      }
      jj_entries_loop: for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext();) {
        int[] oldentry = (int[])(it.next());
        if (oldentry.length == jj_expentry.length) {
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              continue jj_entries_loop;
            }
          }
          jj_expentries.add(jj_expentry);
          break jj_entries_loop;
        }
      }
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  /** Generate ParseException. */
  public ParseException generateParseException() {
    jj_expentries.clear();
    boolean[] la1tokens = new boolean[86];
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 90; i++) {
      if (jj_la1[i] == jj_gen) {
        for (int j = 0; j < 32; j++) {
          if ((jj_la1_0[i] & (1< jj_gen) {
          jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
          switch (i) {
            case 0: jj_3_1(); break;
            case 1: jj_3_2(); break;
            case 2: jj_3_3(); break;
            case 3: jj_3_4(); break;
            case 4: jj_3_5(); break;
            case 5: jj_3_6(); break;
            case 6: jj_3_7(); 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;
  }

  static final class JJCalls {
    int gen;
    Token first;
    int arg;
    JJCalls next;
  }

}




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