Package ucar.units

Source Code of ucar.units.StandardUnitFormat

/* Generated By:JavaCC: Do not edit this line. StandardUnitFormat.java */
    package ucar.units;

    import java.io.InputStreamReader;
    import java.io.LineNumberReader;
    import java.io.StringReader;
    import java.text.DateFormat;
    import java.text.SimpleDateFormat;
    import java.util.Arrays;
    import java.util.Calendar;
    import java.util.Comparator;
    import java.util.Date;
    import java.util.Locale;
    import java.util.TimeZone;

    /**
     * Standard formatter/parser for unit specifications.
     *
     * Instances of this class are thread-compatible but not thread-safe.
     *
     * @author Steven R. Emmerson
     */
    public final class
    StandardUnitFormat
        extends UnitFormatImpl implements StandardUnitFormatConstants {
        private static final long   serialVersionUID    = 2L;

        /**
         * The singleton instance of this class.
         * @serial
         */
        private static StandardUnitFormat       _instance;

        /**
         * The date formatter.
         * @serial
         */
        private static final SimpleDateFormat   dateFormat;

        /**
         * The Comparator for ordering base units for printing.  Orders
         * Factor-s by decreasing exponent (major) and lexically (minor).
         * @serial
         */
        private static final Comparator<Factor>         factorComparator =
            new Comparator<Factor>()
            {
                public int compare(Factor f1, Factor f2)
                {
                    int comp = f2.getExponent() - f1.getExponent();
                    if (comp == 0)
                        comp = f1.getID().compareTo(f2.getID());
                    return comp;
                }
            };

        static
        {
            dateFormat =
                (SimpleDateFormat)DateFormat.getDateInstance(
                    DateFormat.SHORT, Locale.US);
            dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
            dateFormat.applyPattern(" '@' yyyy-MM-dd HH:mm:ss.SSS 'UTC'");
        }

        /**
         * Constructs from nothing.
         */
        private
        StandardUnitFormat()
        {
            this(new StringReader(""));
        }


        /**
         * Returns an instance of this class.
         * @return              An instance of this class.
         */
        public static StandardUnitFormat
        instance()
        {
            if (_instance == null)
            {
                synchronized(StandardUnitFormat.class)
                {
                    if (_instance == null)
                        _instance = new StandardUnitFormat();
                }
            }
            return _instance;
        }


        /**
         * Indicates if a unit is a time unit.
         *
         * @param unit The unit in question.
         * @return {@code true} if and only if {@code unit} is a time unit.
         * @Throws UnitSystemException if the unit system can't be initialized.
         */
        private static boolean isTimeUnit(final Unit unit) throws UnitSystemException {
                        return unit.isCompatible(UnitSystemManager.instance().getBaseUnit(
                                        BaseQuantity.TIME));
        }


        /**
         * Decodes a unit specification.  An unrecognized unit is made into
         * an UnknownUnit.
         * @param spec          The unit specification to be decoded.
         * @param unitDB        The unit database to use.
         * @return              The unit corresponding to the specification.
         * @throws UnitParseException   The unit specification syntax is
         *                              invalid.
         * @throws SpecificationException       Something's wrong with the
         *                                      specification.
         * @throws UnitDBException      Something's wrong with the unit
         *                              database.
         * @throws PrefixDBException    Something's wrong with the unit prefix
         *                              database.
         * @throws UnitSystemException  Something's wrong with the underlying
                                        system of units.
         */
        public Unit
        parse(String spec, UnitDB unitDB)
            throws UnitParseException,
                SpecificationException,
                UnitDBException,
                PrefixDBException,
                UnitSystemException
        {
            ReInit(new StringReader(spec.trim()));

            try
            {
                Unit    unit = unitSpec(unitDB);
                return unit;
            }
            catch (TokenMgrError e)
            {
                throw new UnitParseException(spec, e);
            }
            catch (ParseException e)
            {
                throw new UnitParseException(spec, e);
            }
            catch (OperationException e)
            {
                throw new SpecificationException(spec, e);
            }
        }


        /**
         * Formats a Factor.
         * @param factor        The factor to be formatted.
         * @param buf           The buffer to append to.
         * @return              The appended-to buffer.
         */
        public StringBuffer
        format(Factor factor, StringBuffer buf)
        {
            return buf.append(factor.toString());
        }


        /**
         * Formats a unit.  The symbol or name will be used if available;
         * otherwise, a specification in terms of underlying units will be
         * returned.
         * @param unit          The unit to be formatted.
         * @param buf           The buffer to append to.
         * @return              The appended-to buffer.
         * @throws UnitClassException   The class of the unit is unknown.
         */
        public StringBuffer
        format(Unit unit, StringBuffer buf)
            throws UnitClassException
        {
            return format(unit, buf, true);
        }


        /**
         * Formats a unit in the underlying system of units.
         * @param unit          The unit to be formatted.
         * @param buf           The buffer to append to.
         * @return              The appended-to buffer.
         * @throws UnitClassException   The class of the unit is unknown.
         */
        public StringBuffer
        longFormat(Unit unit, StringBuffer buf)
            throws UnitClassException
        {
            return format(unit, buf, false);
        }


        /**
         * Formats a unit.
         * @param unit          The unit to be formatted.
         * @param buf           The buffer to append to.
         * @param normalize     Whether or not to reduce the unit.
         * @return              The appended-to buffer.
         * @throws UnitClassException   The class of the unit is unknown.
         */
        private StringBuffer
        format(Unit unit, StringBuffer buf, boolean normalize)
            throws UnitClassException
        {
            boolean     done = false;
            if (!normalize)
            {
                String  id = unit.getSymbol();
                if (id == null)
                    id = unit.getName();
                if (id != null)
                {
                    buf.append(id.replace(' ', '_'));
                    done = true;
                }
            }
            if (!done)
            {
                if (unit instanceof BaseUnit)
                    format((BaseUnit)unit, buf);
                else
                if (unit instanceof DerivedUnit)
                    format((DerivedUnit)unit, buf);
                else
                if (unit instanceof ScaledUnit)
                    format((ScaledUnit)unit, buf, normalize);
                else
                if (unit instanceof OffsetUnit)
                    format((OffsetUnit)unit, buf, normalize);
                else
                if (unit instanceof TimeScaleUnit)
                    format((TimeScaleUnit)unit, buf, normalize);
                else
                    throw new UnitClassException(unit);
            }
            return buf;
        }


        private StringBuffer
        format(BaseUnit baseUnit, StringBuffer buf)
        {
            return buf.append(baseUnit.getSymbol());
        }


        private StringBuffer
        format(DerivedUnit unit, StringBuffer buf)
        {
            Factor[]    factors = unit.getDimension().getFactors();
            Arrays.sort(factors, factorComparator);
            for (int i = 0; i < factors.length; i++)
                format(factors[i], buf).append('.');
            if (factors.length != 0)
                buf.setLength(buf.length()-1);
            return buf;
        }


        private StringBuffer
        format(ScaledUnit unit, StringBuffer buf, boolean normalize)
            throws UnitClassException
        {
            double      scale = unit.getScale();
            if (scale != 0.0)
            {
                if (scale == 1)
                {
                    format(unit.getUnit(), buf, normalize);
                }
                else
                {
                    buf.append(scale).append(' ');
                    int start = buf.length();
                    format(unit.getUnit(), buf, normalize);
                    if (start == buf.length())
                        buf.setLength(start-1);
                }
            }
            return buf;
        }


        private StringBuffer
        format(OffsetUnit unit, StringBuffer buf, boolean normalize)
            throws UnitClassException
        {
            double      offset = unit.getOffset();
            if (offset == 0.0)
            {
                format(unit.getUnit(), buf, normalize);
            }
            else
            {
                int     start = buf.length();
                format(unit.getUnit(), buf, normalize);
                return (isBlackSpace(buf, start)
                            ? buf
                            : buf.insert(start, '(').append(')')).
                        append(" @ ").append(offset);
            }
            return buf;
        }


        private static boolean
        isBlackSpace(StringBuffer buf, int start)
        {
            return buf.substring(start).indexOf(' ') == -1;
        }


        private StringBuffer
        format(TimeScaleUnit unit, StringBuffer buf, boolean normalize)
            throws UnitClassException
        {
            return format(unit.getUnit(), buf, normalize).
                append(dateFormat.format(unit.getOrigin()));
        }


        /**
         * Gets a unit from a unit database.
         */
        private static Unit
        getUnit(UnitDB unitDB, String string)
            throws UnitDBAccessException
        {
            return unitDB.get(string);
        }


        /**
         * Gets a prefix from the prefix database.
         */
        private static Prefix
        getPrefix(String string)
            throws PrefixDBException
        {
            PrefixDB    prefixDB = PrefixDBManager.instance();
            Prefix      prefix = prefixDB.getPrefixByName(string);
            if (prefix == null)
                prefix = prefixDB.getPrefixBySymbol(string);
            return prefix;
        }


        private static void myAssert(StandardUnitFormat parser, final String spec,
                final Unit unit) throws NoSuchUnitException,
                UnitParseException, SpecificationException, UnitDBException,
                PrefixDBException, UnitSystemException
        {
            if (!parser.parse(spec).equals(unit)) {
                throw new AssertionError(spec + " != " + unit);
            }
                        System.out.println(spec + " -> " + unit);
        }


        /**
         * Test this class.
         */
        public static void main(String[] args)
            throws Exception
        {
            StandardUnitFormat          parser =
                StandardUnitFormat.instance();
                        final Unit m = parser.parse("m");
                        final Unit s = parser.parse("s");
                        final Unit epoch = parser.parse("s @ 1970-01-01 00:00:00 UTC");
                myAssert(parser, "m m", m.multiplyBy(m));
                myAssert(parser, "m.m", m.multiplyBy(m));
                myAssert(parser, "(m)(m)", m.multiplyBy(m));
                myAssert(parser, "m/s/s", m.divideBy(s).divideBy(s));
                myAssert(parser, "m2", m.raiseTo(2));
                myAssert(parser, "m2.s", m.raiseTo(2).multiplyBy(s));
                myAssert(parser, "m2/s", m.raiseTo(2).divideBy(s));
                myAssert(parser, "m^2/s", m.raiseTo(2).divideBy(s));
                myAssert(parser, "m s @ 5", m.multiplyBy(s).shiftTo(5.0));
                myAssert(parser, "m2 s @ 5", m.raiseTo(2).multiplyBy(s).shiftTo(5));
                myAssert(parser, "m2 s-1 @ 5", m.raiseTo(2).multiplyBy(s.raiseTo(-1))
                        .shiftTo(5));
                myAssert(parser, "m s from 5", m.multiplyBy(s).shiftTo(5));
                myAssert(parser, "s@19700101", epoch);
                myAssert(parser, "s@19700101T000000", epoch);
                myAssert(parser, "s@19700101T000000.00", epoch);
                myAssert(parser, "s @ 1970-01-01T00:00:00.00", epoch);
                myAssert(parser, "s @ 1970-01-01 00:00:00.00", epoch);
                myAssert(parser, "s @ 1970-01-01 00:00:00.00 +0", epoch);
                myAssert(parser, "s @ 1970-01-01T00:00:00.00 -12", epoch
                        .shiftTo(new Date(12 * 60 * 60 * 1000)));
                    if (!parser.parse("days since 2009-06-14 04:00:00").equals(
                             parser.parse("days since 2009-06-14 04:00:00 +00:00"))) {
                            throw new AssertionError();
                    }
                myAssert(parser, "lg(re: 1)", DerivedUnitImpl.DIMENSIONLESS.log(10));
                myAssert(parser, "0.1 lg(re 1 mm)", m.multiplyBy(1e-3).log(10)
                        .multiplyBy(0.1));
                myAssert(parser, "m", m);
                myAssert(parser, "2 m s", m.multiplyBy(s).multiplyBy(2));
                myAssert(parser, "3.14 m.s", m.multiplyBy(s).multiplyBy(3.14));
                myAssert(parser, "1e9 (m)", m.multiplyBy(1e9));
                myAssert(parser, "(m s)2", m.multiplyBy(s).raiseTo(2));
                myAssert(parser, "m2.s-1", m.raiseTo(2).divideBy(s));
                myAssert(parser, "m2 s^-1", m.raiseTo(2).divideBy(s));
                myAssert(parser, "(m/s)2", m.divideBy(s).raiseTo(2));
                myAssert(parser, "m2/s-1", m.raiseTo(2).divideBy(s.raiseTo(-1)));
                myAssert(parser, "m2/s^-1", m.raiseTo(2).divideBy(s.raiseTo(-1)));
                myAssert(parser, ".5 m/(.25 s)2", m.multiplyBy(.5).divideBy(
                        s.multiplyBy(.25).raiseTo(2)));
                myAssert(parser, "m.m-1.m", m.multiplyBy(m.raiseTo(-1)).multiplyBy(m));
                myAssert(parser, "2.0 m 1/2 s-1*(m/s^1)^-1 (1e9 m-1)(1e9 s-1)-1.m/s", m
                        .multiplyBy(2).multiplyBy(1. / 2.).multiplyBy(
                                s.raiseTo(-1)).multiplyBy(
                                m.divideBy(s.raiseTo(1)).raiseTo(-1))
                        .multiplyBy(m.raiseTo(-1).multiplyBy(1e9)).multiplyBy(
                                s.raiseTo(-1).multiplyBy(1e9).raiseTo(-1))
                        .multiplyBy(m).divideBy(s));
                myAssert(parser, "m/km", m.divideBy(m.multiplyBy(1e3)));

            LineNumberReader    lineInput = new LineNumberReader(
                                    new InputStreamReader(System.in));

            for (;;)
            {
                System.out.print("Enter a unit specification or ^D to quit: ");

                String  spec = lineInput.readLine();
                if (spec == null)
                    break;

                try
                {
                    System.out.println(parser.parse(spec.trim()));
                }
                catch (Exception e)
                {
                    System.out.println(e.getMessage());
                }
            }
            System.out.println("");
        }

  final public Unit unitSpec(UnitDB unitDB) throws ParseException, OperationException, UnitSystemException, PrefixDBException, UnitDBException {
    Unit        unit = DerivedUnitImpl.DIMENSIONLESS;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
    case UINT:
    case LPAREN:
    case PERIOD:
    case SYMBOL:
    case T:
    case NAME:
    case LB:
    case LN:
    case LG:
      unit = shiftExpr(unitDB);
      break;
    default:
      jj_la1[0] = jj_gen;
      ;
    }
    jj_consume_token(0);
        {if (true) return unit;}
    throw new Error("Missing return statement in function");
  }

  final public Unit shiftExpr(UnitDB unitDB) throws ParseException, OperationException, UnitSystemException, PrefixDBException, UnitDBException {
    Unit        unit;
    Date        timestamp;
    double      origin;
    unit = productExpr(unitDB);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case SHIFT:
      jj_consume_token(SHIFT);
      if (isTimeUnit(unit)) {
        timestamp = timeOriginExpr();
                           unit = unit.shiftTo(timestamp);
      } else {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case PLUS:
        case MINUS:
        case UINT:
        case PERIOD:
          origin = number();
                           unit = unit.shiftTo(origin);
          break;
        default:
          jj_la1[1] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
      }
      break;
    default:
      jj_la1[2] = jj_gen;
      ;
    }
        {if (true) return unit;}
    throw new Error("Missing return statement in function");
  }

  final public Unit productExpr(UnitDB unitDB) throws ParseException, OperationException, UnitSystemException, PrefixDBException, UnitDBException {
    Unit        unit;
    Unit        unit2;
    unit = powerExpr(unitDB);
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case SP:
      case PLUS:
      case MINUS:
      case UINT:
      case LPAREN:
      case PERIOD:
      case STAR:
      case DIVIDE:
      case SYMBOL:
      case T:
      case NAME:
      case LB:
      case LN:
      case LG:
        ;
        break;
      default:
        jj_la1[3] = jj_gen;
        break label_1;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case DIVIDE:
        jj_consume_token(DIVIDE);
        unit2 = powerExpr(unitDB);
                unit = unit.divideBy(unit2);
        break;
      default:
        jj_la1[6] = jj_gen;
        if (jj_2_1(2)) {
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case SP:
          case PERIOD:
          case STAR:
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case PERIOD:
              jj_consume_token(PERIOD);
              break;
            case STAR:
              jj_consume_token(STAR);
              break;
            case SP:
              jj_consume_token(SP);
              break;
            default:
              jj_la1[4] = jj_gen;
              jj_consume_token(-1);
              throw new ParseException();
            }
            break;
          default:
            jj_la1[5] = jj_gen;
            ;
          }
          unit2 = powerExpr(unitDB);
                unit = unit.multiplyBy(unit2);
        } else {
          jj_consume_token(-1);
          throw new ParseException();
        }
      }
    }
        {if (true) return unit;}
    throw new Error("Missing return statement in function");
  }

  final public Unit powerExpr(UnitDB unitDB) throws ParseException, OperationException, UnitSystemException, PrefixDBException, UnitDBException {
    Unit    unit;
    int     exponent;
    unit = basicExpr(unitDB);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
    case UINT:
    case RAISE:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case RAISE:
        jj_consume_token(RAISE);
        break;
      default:
        jj_la1[7] = jj_gen;
        ;
      }
      exponent = integer();
            unit = unit.raiseTo(exponent);
      break;
    default:
      jj_la1[8] = jj_gen;
      ;
    }
        {if (true) return unit;}
    throw new Error("Missing return statement in function");
  }

  final public Unit basicExpr(UnitDB unitDB) throws ParseException, OperationException, UnitSystemException, PrefixDBException, UnitDBException {
    Unit    unit;
    double  number;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
    case UINT:
    case PERIOD:
      number = number();
                unit =  DerivedUnitImpl.DIMENSIONLESS.multiplyBy(number);
      break;
    case SYMBOL:
    case T:
    case NAME:
      unit = unitIdentifier(unitDB);
      break;
    case LB:
    case LN:
    case LG:
      unit = logExpr(unitDB);
      break;
    case LPAREN:
      jj_consume_token(LPAREN);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case SP:
        jj_consume_token(SP);
        break;
      default:
        jj_la1[9] = jj_gen;
        ;
      }
      unit = shiftExpr(unitDB);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case SP:
        jj_consume_token(SP);
        break;
      default:
        jj_la1[10] = jj_gen;
        ;
      }
      jj_consume_token(RPAREN);
      break;
    default:
      jj_la1[11] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return unit;}
    throw new Error("Missing return statement in function");
  }

  final public Unit logExpr(UnitDB unitDB) throws ParseException, OperationException, UnitSystemException, PrefixDBException, UnitDBException {
    double base;
    Unit   ref;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case LB:
      jj_consume_token(LB);
                  base = 2;
      break;
    case LN:
      jj_consume_token(LN);
                  base = Math.E;
      break;
    case LG:
      jj_consume_token(LG);
                  base = 10;
      break;
    default:
      jj_la1[12] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    ref = productExpr(unitDB);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case SP:
      jj_consume_token(SP);
      break;
    default:
      jj_la1[13] = jj_gen;
      ;
    }
    jj_consume_token(RPAREN);
        {if (true) return ref.log(base);}
    throw new Error("Missing return statement in function");
  }

  final public double number() throws ParseException {
    double  number;
    if (jj_2_2(2147483647)) {
      number = real();
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case PLUS:
      case MINUS:
      case UINT:
        number = integer();
        break;
      default:
        jj_la1[14] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
        {if (true) return number;}
    throw new Error("Missing return statement in function");
  }

  final public double real() throws ParseException {
    int    sign = 1;
    double tenFactor = 1;
    double udecimal;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
      sign = sign();
      break;
    default:
      jj_la1[15] = jj_gen;
      ;
    }
    if (jj_2_3(2)) {
      udecimal = unsignedDecimal();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case REAL_EXP:
        tenFactor = tenFactor();
        break;
      default:
        jj_la1[16] = jj_gen;
        ;
      }
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case UINT:
        udecimal = unsignedInteger();
        tenFactor = tenFactor();
        break;
      default:
        jj_la1[17] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
        {if (true) return sign * udecimal * tenFactor;}
    throw new Error("Missing return statement in function");
  }

  final public int sign() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
      jj_consume_token(PLUS);
                 {if (true) return 1;}
      break;
    case MINUS:
      jj_consume_token(MINUS);
                  {if (true) return -1;}
      break;
    default:
      jj_la1[18] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public double unsignedDecimal() throws ParseException {
    int     integer = 0;
    Token   token;
    double  fraction = 0;
    if (jj_2_4(3)) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case UINT:
        integer = unsignedInteger();
        break;
      default:
        jj_la1[19] = jj_gen;
        ;
      }
      jj_consume_token(PERIOD);
      token = jj_consume_token(UINT);
                fraction = Double.valueOf("." + token.image);
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case UINT:
        integer = unsignedInteger();
        jj_consume_token(PERIOD);
        break;
      default:
        jj_la1[20] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
        {if (true) return integer + fraction;}
    throw new Error("Missing return statement in function");
  }

  final public double tenFactor() throws ParseException {
    Token  token;
    token = jj_consume_token(REAL_EXP);
        {if (true) return Double.valueOf("1" + token.image);}
    throw new Error("Missing return statement in function");
  }

  final public int integer() throws ParseException {
    int     magnitude;
    int     sign = 1;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
      sign = sign();
      break;
    default:
      jj_la1[21] = jj_gen;
      ;
    }
    magnitude = unsignedInteger();
        {if (true) return sign * magnitude;}
    throw new Error("Missing return statement in function");
  }

  final public int unsignedInteger() throws ParseException {
    Token       token;
    token = jj_consume_token(UINT);
        {if (true) return Integer.valueOf(token.image);}
    throw new Error("Missing return statement in function");
  }

  final public Unit unitIdentifier(UnitDB unitDB) throws ParseException, UnitDBException, UnitSystemException, PrefixDBException, OperationException {
    Token   token;
    Unit    unit;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case T:
      token = jj_consume_token(T);
      break;
    case NAME:
      token = jj_consume_token(NAME);
      break;
    case SYMBOL:
      token = jj_consume_token(SYMBOL);
      break;
    default:
      jj_la1[22] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
            String  string = token.image;
        double  scale = 1;

        for (unit = getUnit(unitDB, string);
            unit == null;
            unit = getUnit(unitDB, string))
        {
            Prefix      prefix = getPrefix(string);
            if (prefix == null)
            {
                try
                {
                    // System.err.println("Unknown unit: \"" + string + '"');
                    unit = UnknownUnit.create(string);
                    break;
                }
                catch (NameException e)
                {}      // shouldn't happen
            }
            scale *= prefix.getValue();
            string = string.substring(prefix.length());
        }
        unit = unit.multiplyBy(scale);
        {if (true) return unit;}
    throw new Error("Missing return statement in function");
  }

/*
* See <http://www.cl.cam.ac.uk/~mgk25/iso-time.html> for a discussion of the
* relevant timestamp format or lookup "ISO 8601".
*/
  final public Date timeOriginExpr() throws ParseException {
    Calendar   calendar;
    calendar = dateExpr();
    if (jj_2_6(2)) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case T:
        jj_consume_token(T);
        break;
      case SP:
        jj_consume_token(SP);
        break;
      default:
        jj_la1[23] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      clockExpr(calendar);
      if (jj_2_5(2)) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case SP:
          jj_consume_token(SP);
          break;
        default:
          jj_la1[24] = jj_gen;
          ;
        }
        zoneExpr(calendar);
      } else {
        ;
      }
    } else {
      ;
    }
        {if (true) return calendar.getTime();}
    throw new Error("Missing return statement in function");
  }

  final public Calendar dateExpr() throws ParseException {
    int        sign = 1;
    int        year;
    int        month = 1;
    int        day = 1;
    boolean    packed = true;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
      sign = sign();
      break;
    default:
      jj_la1[25] = jj_gen;
      ;
    }
    year = unsignedInteger();
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case MINUS:
      jj_consume_token(MINUS);
      month = unsignedInteger();
            packed = false;
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case MINUS:
        jj_consume_token(MINUS);
        day = unsignedInteger();
        break;
      default:
        jj_la1[26] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[27] = jj_gen;
      ;
    }
        if (packed) {
            if (year >= 10000101) {
                day = year % 100;
                year /= 100;
            }
            if (year >= 100001) {
                month = year % 100;
                year /= 100;
            }
            if (sign < 0)
                year = -year;
        }
        if (month < 1 || month > 12)
            {if (true) throw new ParseException("invalid month in timestamp");}
        if (day < 1 || day > 31)
            {if (true) throw new ParseException("invalid day in timestamp");}
        Calendar    calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
        calendar.clear();
        calendar.set(year, month-1, day);
        {if (true) return calendar;}
    throw new Error("Missing return statement in function");
  }

  final public Calendar clockExpr(Calendar calendar) throws ParseException {
    double     hour;
    int        minute = 0;
    double     seconds = 0;
    boolean    packed = true;
    if (jj_2_7(2147483647)) {
      hour = unsignedDecimal();
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case UINT:
        hour = unsignedInteger();
        break;
      default:
        jj_la1[28] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case COLON:
      jj_consume_token(COLON);
      minute = unsignedInteger();
            packed = false;
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case COLON:
        jj_consume_token(COLON);
        if (jj_2_8(2147483647)) {
          seconds = unsignedDecimal();
        } else {
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case UINT:
            seconds = unsignedInteger();
            break;
          default:
            jj_la1[29] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
        }
        break;
      default:
        jj_la1[30] = jj_gen;
        ;
      }
      break;
    default:
      jj_la1[31] = jj_gen;
      ;
    }
        if (packed) {
            if (hour >= 100000) {
                seconds = hour % 100;
                hour /= 100;
            }
            if (hour >= 1000) {
                minute = (int)(hour % 100);
                hour /= 100;
            }
        }
        if (hour < 0 || hour > 23)
            {if (true) throw new ParseException("invalid hour in timestamp");}
        if (minute < 0 || minute > 59)
            {if (true) throw new ParseException("invalid minute in timestamp");}
        if (seconds < 0 || seconds > 61)
            {if (true) throw new ParseException("invalid seconds in timestamp");}
        calendar.set(Calendar.HOUR_OF_DAY, (int)Math.round(hour));
        calendar.set(Calendar.MINUTE, minute);
        int s = (int)seconds;
        calendar.set(Calendar.SECOND, s);
        int ms = (int)((seconds - s) * 1000);
        calendar.set(Calendar.MILLISECOND, ms);
        {if (true) return calendar;}
    throw new Error("Missing return statement in function");
  }

  final public Calendar zoneExpr(Calendar calendar) throws ParseException {
    int         sign = 1;
    int         zoneHour;
    int         zoneMinute = 0;
    Token       token;
    TimeZone    timeZone;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PLUS:
    case MINUS:
    case UINT:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case PLUS:
      case MINUS:
        sign = sign();
        break;
      default:
        jj_la1[32] = jj_gen;
        ;
      }
      zoneHour = unsignedInteger();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case COLON:
      case UINT:
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case COLON:
          jj_consume_token(COLON);
          break;
        default:
          jj_la1[33] = jj_gen;
          ;
        }
        zoneMinute = unsignedInteger();
        break;
      default:
        jj_la1[34] = jj_gen;
        ;
      }
                if (zoneHour >= 100)
                {
                    zoneMinute += zoneHour % 100;
                    zoneHour /= 100;
                }
                if (zoneHour > 23 || zoneMinute > 59)
                {
                    {if (true) throw new ParseException("invalid time-zone in timestamp");}
                }
                timeZone = TimeZone.getTimeZone("UTC");
                timeZone.setRawOffset(sign*(zoneHour*60 + zoneMinute)*60*1000);
      break;
    case NAME:
      token = jj_consume_token(NAME);
                timeZone = TimeZone.getTimeZone(token.image);
      break;
    default:
      jj_la1[35] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
        calendar.setTimeZone(timeZone);
        {if (true) return calendar;}
    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_2_8(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_8(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(7, xla); }
  }

  private boolean jj_3R_40() {
    if (jj_scan_token(LG)) return true;
    return false;
  }

  private boolean jj_3R_33() {
    if (jj_3R_24()) return true;
    return false;
  }

  private boolean jj_3R_39() {
    if (jj_scan_token(LN)) return true;
    return false;
  }

  private boolean jj_3R_41() {
    if (jj_3R_3()) return true;
    return false;
  }

  private boolean jj_3R_23() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_33()) jj_scanpos = xsp;
    if (jj_3R_14()) return true;
    return false;
  }

  private boolean jj_3R_38() {
    if (jj_scan_token(LB)) return true;
    return false;
  }

  private boolean jj_3_8() {
    if (jj_3R_5()) return true;
    return false;
  }

  private boolean jj_3_5() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(1)) jj_scanpos = xsp;
    if (jj_3R_7()) return true;
    return false;
  }

  private boolean jj_3R_31() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_38()) {
    jj_scanpos = xsp;
    if (jj_3R_39()) {
    jj_scanpos = xsp;
    if (jj_3R_40()) return true;
    }
    }
    if (jj_3R_41()) return true;
    return false;
  }

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

  private boolean jj_3_6() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(17)) {
    jj_scanpos = xsp;
    if (jj_scan_token(1)) return true;
    }
    if (jj_3R_8()) return true;
    return false;
  }

  private boolean jj_3R_13() {
    if (jj_3R_14()) return true;
    if (jj_scan_token(PERIOD)) return true;
    return false;
  }

  private boolean jj_3R_22() {
    if (jj_scan_token(LPAREN)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(1)) jj_scanpos = xsp;
    if (jj_3R_32()) return true;
    return false;
  }

  private boolean jj_3R_21() {
    if (jj_3R_31()) return true;
    return false;
  }

  private boolean jj_3R_20() {
    if (jj_3R_30()) return true;
    return false;
  }

  private boolean jj_3R_6() {
    if (jj_3R_14()) return true;
    return false;
  }

  private boolean jj_3_7() {
    if (jj_3R_5()) return true;
    return false;
  }

  private boolean jj_3_4() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_6()) jj_scanpos = xsp;
    if (jj_scan_token(PERIOD)) return true;
    if (jj_scan_token(UINT)) return true;
    return false;
  }

  private boolean jj_3R_19() {
    if (jj_3R_29()) return true;
    return false;
  }

  private boolean jj_3R_18() {
    if (jj_3R_14()) return true;
    return false;
  }

  private boolean jj_3R_32() {
    if (jj_3R_41()) return true;
    return false;
  }

  private boolean jj_3R_17() {
    if (jj_3R_5()) return true;
    return false;
  }

  private boolean jj_3R_5() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_4()) {
    jj_scanpos = xsp;
    if (jj_3R_13()) return true;
    }
    return false;
  }

  private boolean jj_3R_9() {
    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;
  }

  private boolean jj_3R_35() {
    if (jj_scan_token(MINUS)) return true;
    return false;
  }

  private boolean jj_3R_8() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_17()) {
    jj_scanpos = xsp;
    if (jj_3R_18()) return true;
    }
    return false;
  }

  private boolean jj_3R_34() {
    if (jj_scan_token(PLUS)) return true;
    return false;
  }

  private boolean jj_3R_24() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_34()) {
    jj_scanpos = xsp;
    if (jj_3R_35()) return true;
    }
    return false;
  }

  private boolean jj_3R_12() {
    if (jj_3R_14()) return true;
    if (jj_3R_26()) return true;
    return false;
  }

  private boolean jj_3R_25() {
    if (jj_3R_26()) return true;
    return false;
  }

  private boolean jj_3R_16() {
    if (jj_scan_token(NAME)) return true;
    return false;
  }

  private boolean jj_3R_10() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(11)) jj_scanpos = xsp;
    if (jj_3R_23()) return true;
    return false;
  }

  private boolean jj_3_3() {
    if (jj_3R_5()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_25()) jj_scanpos = xsp;
    return false;
  }

  private boolean jj_3R_3() {
    if (jj_3R_9()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_10()) jj_scanpos = xsp;
    return false;
  }

  private boolean jj_3R_11() {
    if (jj_3R_24()) return true;
    return false;
  }

  private boolean jj_3R_4() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_11()) jj_scanpos = xsp;
    xsp = jj_scanpos;
    if (jj_3_3()) {
    jj_scanpos = xsp;
    if (jj_3R_12()) return true;
    }
    return false;
  }

  private boolean jj_3_2() {
    if (jj_3R_4()) return true;
    return false;
  }

  private boolean jj_3R_30() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(17)) {
    jj_scanpos = xsp;
    if (jj_scan_token(18)) {
    jj_scanpos = xsp;
    if (jj_scan_token(16)) return true;
    }
    }
    return false;
  }

  private boolean jj_3R_28() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(4)) jj_scanpos = xsp;
    if (jj_3R_14()) return true;
    return false;
  }

  private boolean jj_3R_27() {
    if (jj_3R_24()) return true;
    return false;
  }

  private boolean jj_3R_15() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_27()) jj_scanpos = xsp;
    if (jj_3R_14()) return true;
    xsp = jj_scanpos;
    if (jj_3R_28()) jj_scanpos = xsp;
    return false;
  }

  private boolean jj_3R_37() {
    if (jj_3R_23()) return true;
    return false;
  }

  private boolean jj_3R_2() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_scan_token(12)) {
    jj_scanpos = xsp;
    if (jj_scan_token(13)) {
    jj_scanpos = xsp;
    if (jj_scan_token(1)) return true;
    }
    }
    return false;
  }

  private boolean jj_3R_36() {
    if (jj_3R_4()) return true;
    return false;
  }

  private boolean jj_3_1() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_2()) jj_scanpos = xsp;
    if (jj_3R_3()) return true;
    return false;
  }

  private boolean jj_3R_7() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_15()) {
    jj_scanpos = xsp;
    if (jj_3R_16()) return true;
    }
    return false;
  }

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

  private boolean jj_3R_29() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3R_36()) {
    jj_scanpos = xsp;
    if (jj_3R_37()) return true;
    }
    return false;
  }

  /** Generated Token Manager. */
  public StandardUnitFormatTokenManager token_source;
  SimpleCharStream jj_input_stream;
  /** 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[36];
  static private int[] jj_la1_0;
  static {
      jj_la1_init_0();
   }
   private static void jj_la1_init_0() {
      jj_la1_0 = new int[] {0x3f112c,0x102c,0x8000,0x3f712e,0x3002,0x3002,0x4000,0x800,0x82c,0x2,0x2,0x3f112c,0x380000,0x2,0x2c,0xc,0x400,0x20,0xc,0x20,0x20,0xc,0x70000,0x20002,0x2,0xc,0x8,0x8,0x20,0x20,0x10,0x10,0xc,0x10,0x30,0x4002c,};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[8];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  /** Constructor with InputStream. */
  public StandardUnitFormat(java.io.InputStream stream) {
     this(stream, null);
  }
  /** Constructor with InputStream and supplied encoding */
  public StandardUnitFormat(java.io.InputStream stream, String encoding) {
    try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source = new StandardUnitFormatTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 36; 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(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  /** Reinitialise. */
  public void ReInit(java.io.InputStream stream, String encoding) {
    try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 36; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Constructor. */
  public StandardUnitFormat(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new StandardUnitFormatTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 36; 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(java.io.Reader stream) {
    jj_input_stream.ReInit(stream, 1, 1);
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 36; 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 StandardUnitFormat(StandardUnitFormatTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 36; 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(StandardUnitFormatTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 36; 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 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<int[]> jj_expentries = new java.util.ArrayList<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];
      }
      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[22];
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 36; 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 < 22; 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.size()][];
    for (int i = 0; i < jj_expentries.size(); i++) {
      exptokseq[i] = jj_expentries.get(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  /** Enable tracing. */
  final public void enable_tracing() {
  }

  /** Disable tracing. */
  final public void disable_tracing() {
  }

  private void jj_rescan_token() {
    jj_rescan = true;
    for (int i = 0; i < 8; 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;
            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;
            case 7: jj_3_8(); 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;
  }

    }
TOP

Related Classes of ucar.units.StandardUnitFormat

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.