import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import java.text.*;
import java.util.TimeZone;

class main {

static LongRange parseEnglishDateRange(String s, DateInterpretationConfig config) {
  
  
  
  
  
  
  EnglishDateParser parser = new EnglishDateParser();
  List<DateStructures.SomeDate> dates = getVars(parser.topDogs(s));
  
  print("dates", dates);
  if (empty(dates)) return null;
  
  LongRange first = dateStructureToTimestampRange(first(dates), config);
  
  // check for combination of date & time, e.g. "tuesday between 1 and 2 pm"
  if (l(dates) == 2
    //&& first(dates) instanceof Day
    && !DateStructures.containsDateDates(second(dates))
    && DateStructures.containsTimes(second(dates))) {
    
    //Day day = cast first(dates);
    DateStructures.Day day = new DateStructures.Day(dayOfMonth(first.start), new DateStructures.Month(month(first.start), new DateStructures.Year(year(first.start))));
    DateStructures.SomeDate combined =  (DateStructures.SomeDate) (defaultMetaTransformer().transform(o -> {
      //print("Visiting " + o);
      if (o instanceof DateStructures.Hour) return cloneSetAll(((DateStructures.Hour) o), "day", day);
      return null;
    }, second(dates)));
    print("combined", combined);
    return dateStructureToTimestampRange(combined, config);
  }
    
  // just combine all the dates found
  return joinLongRanges(map(d -> dateStructureToTimestampRange(d, config), dates));
}
static <A, B extends IF0<A>> List<A> getVars(Iterable<B> l) {
  return lambdaMap(__20 -> getVar(__20),l);
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected


static volatile Appendable print_log = local_log; // might be redirected, e.g. to main bot

// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;

static boolean print_silent = false; // total mute if set

static Object print_byThread_lock = new Object();
static volatile ThreadLocal<Object> print_byThread; // special handling by thread - prefers F1<S, Bool>
static volatile Object print_allThreads;
static volatile Object print_preprocess;

static void print() {
  print("");
}

static <A> A print(String s, A o) {
  print((endsWithLetterOrDigit(s) ? s + ": " : s) + o);
  return o;
}

// slightly overblown signature to return original object...
static <A> A print(A o) {
  ping_okInCleanUp();
  if (print_silent) return o;
  String s = String.valueOf(o) + "\n";
  print_noNewLine(s);
  return o;
}

static void print_noNewLine(String s) {
  
  Object f = getThreadLocal(print_byThread_dontCreate());
  if (f == null) f = print_allThreads;
  if (f != null)
    // We do need the general callF machinery here as print_byThread is sometimes shared between modules
    if (isFalse(
      
        f instanceof F1 ? ((F1) f).get(s) :
      
      callF(f, s))) return;
  

  print_raw(s);
}

static void print_raw(String s) {
  
  if (print_preprocess != null) s = (String) callF(print_preprocess, s);
  s = fixNewLines(s);
  
  Appendable loc = local_log;
  Appendable buf = print_log;
  int loc_max = print_log_max;
  if (buf != loc && buf != null) {
    print_append(buf, s, print_log_max);
    loc_max = local_log_max;
  }
  if (loc != null) 
    print_append(loc, s, loc_max);
  System.out.print(s);
}

static void print_autoRotate() {
  
}
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(CharSequence s) { return s == null || s.length() == 0; }
static boolean empty(Map map) { return map == null || map.isEmpty(); }
static boolean empty(Object[] o) { return o == null || o.length == 0; }
static boolean empty(Object o) {
  if (o instanceof Collection) return empty((Collection) o);
  if (o instanceof String) return empty((String) o);
  if (o instanceof Map) return empty((Map) o);
  if (o instanceof Object[]) return empty((Object[]) o);
  if (o instanceof byte[]) return empty((byte[]) o);
  if (o == null) return true;
  throw fail("unknown type for 'empty': " + getType(o));
}

static boolean empty(Iterator i) { return i == null || !i.hasNext(); }

static boolean empty(double[] a) { return a == null || a.length == 0; }
static boolean empty(float[] a) { return a == null || a.length == 0; }
static boolean empty(int[] a) { return a == null || a.length == 0; }
static boolean empty(long[] a) { return a == null || a.length == 0; }
static boolean empty(byte[] a) { return a == null || a.length == 0; }
static boolean empty(short[] a) { return a == null || a.length == 0; }





static boolean empty(File f) { return getFileSize(f) == 0; }
static LongRange dateStructureToTimestampRange(DateStructures.SomeDate d) { return dateStructureToTimestampRange(d, new DateInterpretationConfig()); }
static LongRange dateStructureToTimestampRange(DateStructures.SomeDate d, DateInterpretationConfig config) {
  return new DateStructureToTimestampRange(config).getRange(d);
}

static class DateStructureToTimestampRange {
  TimeZone tz;
  long now;
  boolean assumeFuture = false;
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  DateStructureToTimestampRange(DateInterpretationConfig config) {
    tz = config.timeZone;
    now = config.now;
    assumeFuture = config.assumeFuture;
  }
  
  DateStructures.Year currentYear() {
    return new DateStructures.Year(year(now, tz));
  }
  
  DateStructures.Month currentMonth() {
    return new DateStructures.Month(month(now, tz), currentYear());
  }
  
  DateStructures.SomeDate concretizeDate(DateStructures.SomeDate d) {
    if (d instanceof DateStructures.CurrentMonthPlus)
      d = new DateStructures.Month(month(now, tz) + ((DateStructures.CurrentMonthPlus) d).nMonths, currentYear());
    if (d instanceof DateStructures.TodayPlus)
      d = new DateStructures.Day(dayOfMonth(now, tz) + ((DateStructures.TodayPlus) d).nDays, currentMonth());
    if (d instanceof DateStructures.CurrentYearPlus)
      d = new DateStructures.Year(year(now, tz) + ((DateStructures.CurrentYearPlus) d).nYears);
    if (d instanceof DateStructures.CurrentWeekPlus)
      d = new DateStructures.Week(weekInYear(now, tz) + ((DateStructures.CurrentWeekPlus) d).nWeeks, currentYear());
    return d;
  }
  
  LongRange getRange(DateStructures.SomeDate d) {
    d = concretizeDate(d);
    
    // year
    
    if (d instanceof DateStructures.Year)
      return longRange(yearToTimestamp(((DateStructures.Year) d).year, tz), yearToTimestamp(((DateStructures.Year) d).year+1, tz));
      
    // month
    
    if (d instanceof DateStructures.Month) {
      int year = ((DateStructures.Month) d).year.year;
      return longRange(
        yearAndMonthToTimestamp(year, ((DateStructures.Month) d).month, tz),
        yearAndMonthToTimestamp(year, ((DateStructures.Month) d).month+1, tz));
    }
    
    // week
    
    if (d instanceof DateStructures.Week) {
      int year = ((DateStructures.Week) d).year.year;
      return longRange(
        yearAndWeekToTimestamp(year, ((DateStructures.Week) d).week, tz),
        yearAndWeekToTimestamp(year, ((DateStructures.Week) d).week+1, tz));
    }
    
    if (d instanceof DateStructures.Weekday) {
      if (((DateStructures.Weekday) d).week == null) ((DateStructures.Weekday) d).week = (DateStructures.Week) concretizeDate(new DateStructures.CurrentWeekPlus(((DateStructures.Weekday) d).weekday < dayOfWeek_nr(now, tz) ? 1 : 0));
      long start = getRange(((DateStructures.Weekday) d).week).start+(((DateStructures.Weekday) d).weekday-1)*24*60*60*1000;
      return new LongRange(start, start+24*60*60*1000);
    }

    // day
  
    if (d instanceof DateStructures.Day) {
      int month = ((DateStructures.Day) d).month.month;
      int year = ((DateStructures.Day) d).month.year.year;
      return longRange(
        ymdToTimestamp(year, month, ((DateStructures.Day) d).day, tz),
        ymdToTimestamp(year, month, ((DateStructures.Day) d).day+1, tz));
    }
    
    // hour
    
    if (d instanceof DateStructures.Hour) {
      if (((DateStructures.Hour) d).isPM == null) throw fail("AM/PM unknown: " + ((DateStructures.Hour) d));
      long dayStart = getRange(assertNotNull("day of hour", ((DateStructures.Hour) d).day)).start;
      int actualHour = ((DateStructures.Hour) d).hour+(((DateStructures.Hour) d).isPM ? 12 : 0);
      return longRange(dayStart+hoursToMS(actualHour), dayStart+hoursToMS(actualHour+1));
    }
    
    // between
    
    if (d instanceof DateStructures.Between) {
      return longRange(getRange(((DateStructures.Between) d).from).start, getRange(((DateStructures.Between) d).to).start);
    }
    
    throw fail("dateStructureToTimestampRange: unknown type " + d);
  }
}

static Object first(Object list) {
  return first((Iterable) list);
}


static <A> A first(List<A> list) {
  return empty(list) ? null : list.get(0);
}

static <A> A first(A[] bla) {
  return bla == null || bla.length == 0 ? null : bla[0];
}


static <A> A first(IterableIterator<A> i) {
  return first((Iterator<A>) i);
}


static <A> A first(Iterator<A> i) {
  return i == null || !i.hasNext() ? null : i.next();
}

static <A> A first(Iterable<A> i) {
  if (i == null) return null;
  Iterator<A> it = i.iterator();
  return it.hasNext() ? it.next() : null;
}

static Character first(String s) { return empty(s) ? null : s.charAt(0); }


static <A, B> A first(Pair<A, B> p) {
  return p == null ? null : p.a;
}




static Byte first(byte[] l) { 
  return empty(l) ? null : l[0];
}
static int l(Object[] a) { return a == null ? 0 : a.length; }
static int l(boolean[] a) { return a == null ? 0 : a.length; }
static int l(byte[] a) { return a == null ? 0 : a.length; }
static int l(short[] a) { return a == null ? 0 : a.length; }
static int l(long[] a) { return a == null ? 0 : a.length; }
static int l(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] a) { return a == null ? 0 : a.length; }
static int l(double[] a) { return a == null ? 0 : a.length; }
static int l(char[] a) { return a == null ? 0 : a.length; }
static int l(Collection c) { return c == null ? 0 : c.size(); }

static int l(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible

static int l(Map m) { return m == null ? 0 : m.size(); }
static int l(CharSequence s) { return s == null ? 0 : s.length(); }
static long l(File f) { return f == null ? 0 : f.length(); }



static int l(Object o) {
  return o == null ? 0
    : o instanceof String ? l((String) o)
    : o instanceof Map ? l((Map) o)
    : o instanceof Collection ? l((Collection) o)
    : o instanceof Object[] ? l((Object[]) o)
    : o instanceof boolean[] ? l((boolean[]) o)
    : o instanceof byte[] ? l((byte[]) o)
    : o instanceof char[] ? l((char[]) o)
    : o instanceof short[] ? l((short[]) o)
    : o instanceof int[] ? l((int[]) o)
    : o instanceof float[] ? l((float[]) o)
    : o instanceof double[] ? l((double[]) o)
    : o instanceof long[] ? l((long[]) o)
    : (Integer) call(o, "size");
}









  static long l(LongRange r) { return r == null ? 0 : r.length(); }

static <A> A second(List<A> l) {
  return get(l, 1);
}

static <A> A second(Iterable<A> l) {
  if (l == null) return null;
  Iterator<A> it = iterator(l);
  if (!it.hasNext()) return null;
  it.next();
  return it.hasNext() ? it.next() : null;
}

static <A> A second(A[] bla) {
  return bla == null || bla.length <= 1 ? null : bla[1];
}


static <A, B> B second(Pair<A, B> p) {
  return p == null ? null : p.b;
}






static char second(String s) {
  return charAt(s, 1);
}


static int dayOfMonth() {
  return localDayOfMonth();
}

static int dayOfMonth(long now) {
  return localDayOfMonth(now);
}

static int dayOfMonth(long now, TimeZone tz) {
  return parseInt(simpleDateFormat("d", tz).format(now));
}
static int month() {
  return localMonth();
}

static int month(long now) {
  return localMonth(now);
}

static int month(long now, TimeZone tz) {
  return parseInt(simpleDateFormat("M", tz).format(now));
}
static int year() {
  return localYear();
}

static int year(long now) {
  return localYear(now);
}

static int year(long now, TimeZone tz) {
  return parseInt(simpleDateFormat("y", tz).format(now));
}
// MetaTransformer that understands Transformable and List
static MetaTransformer defaultMetaTransformer() {
  return metaTransformer_transformableAndList();
}
static <A> A cloneSetAll(A a, Object... params) {
  return setAll(clone(a), params);
}
static LongRange joinLongRanges(Iterable<LongRange> l) {
  LongRange r = null;
  for (LongRange x : unnull(l))
    r = r == null ? x : new LongRange(min(r.start, x.start), max(r.end, x.end));
  return r;
}
static List map(Iterable l, Object f) { return map(f, l); }

static List map(Object f, Iterable l) {
  List x = emptyList(l);
  if (l != null) for (Object o : l)
    x.add(callF(f, o));
  return x;
}


  static <A, B> List<B> map(Iterable<A> l, F1<A, B> f) { return map(f, l); }

  static <A, B> List<B> map(F1<A, B> f, Iterable<A> l) {
    List x = emptyList(l);
    if (l != null) for (A o : l)
      x.add(callF(f, o));
    return x;
  }


static <A, B> List<B> map(IF1<A, B> f, Iterable<A> l) { return map(l, f); }
static <A, B> List<B> map(Iterable<A> l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : l)
    x.add(f.get(o));
  return x;
}
  
static <A, B> List<B> map(IF1<A, B> f, A[] l) { return map(l, f); }
static <A, B> List<B> map(A[] l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : l)
    x.add(f.get(o));
  return x;
}
  
static List map(Object f, Object[] l) { return map(f, asList(l)); }
static List map(Object[] l, Object f) { return map(f, l); }

static List map(Object f, Map map) {
  return map(map, f);
}

// map: func(key, value) -> list element
static List map(Map map, Object f) {
  List x = new ArrayList();
  if (map != null) for (Object _e : map.entrySet()) {
    Map.Entry e = (Map.Entry) _e;
    x.add(callF(f, e.getKey(), e.getValue()));
  }
  return x;
}

static <A, B, C> List<C> map(Map<A, B> map, IF2<A, B, C> f) {
  return map(map, (Object) f);
}


static AutoCloseable tempInterceptPrintIfNotIntercepted(F1<String, Boolean> f) {
  return print_byThread().get() == null ? tempInterceptPrint(f) : null;
}
static <A, B> List<B> lambdaMap(IF1<A, B> f, Iterable<A> l) {
  return map(l, f);
}

static <A, B> List<B> lambdaMap(IF1<A, B> f, A[] l) {
  return map(l, f);
}
static <A> A getVar(IF0<A> v) {
  return v == null ? null : v.get();
}
static boolean endsWithLetterOrDigit(String s) {
  return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1));
}
static void ping_okInCleanUp() {
  if (ping_pauseAll  || ping_anyActions )
    ping_impl(true);
}
// this syntax should be removed...
static Object getThreadLocal(Object o, String name) {
  ThreadLocal t =  (ThreadLocal) (getOpt(o, name));
  return t != null ? t.get() : null;
}

static <A> A getThreadLocal(ThreadLocal<A> tl) {
  return tl == null ? null : tl.get();
}

static <A> A getThreadLocal(ThreadLocal<A> tl, A defaultValue) {
  return or(getThreadLocal(tl), defaultValue);
}
static ThreadLocal<Object> print_byThread_dontCreate() {
  return print_byThread;
}
static boolean isFalse(Object o) {
  return eq(false, o);
}
static Map<Class, ArrayList<Method>> callF_cache = newDangerousWeakHashMap();


  static <A> A callF(F0<A> f) {
    return f == null ? null : f.get();
  }



  static <A, B> B callF(F1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }



  static <A> A callF(IF0<A> f) {
    return f == null ? null : f.get();
  }



  static <A, B> B callF(IF1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }





  static <A, B, C> C callF(IF2<A, B, C> f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }



  static <A> void callF(VF1<A> f, A a) {
    if (f != null) f.get(a);
  }


static Object callF(Object f, Object... args) { try {
  if (f instanceof String)
    return callMCWithVarArgs((String) f, args); // possible SLOWDOWN over callMC
  if (f instanceof Runnable) {
    ((Runnable) f).run();
    return null;
  }
  if (f == null) return null;
  
  Class c = f.getClass();
  ArrayList<Method> methods;
  synchronized(callF_cache) {
    methods = callF_cache.get(c);
    if (methods == null)
      methods = callF_makeCache(c);
  }
  
  int n = l(methods);
  if (n == 0) {
    
    throw fail("No get method in " + getClassName(c));
  }
  if (n == 1) return invokeMethod(methods.get(0), f, args);
  for (int i = 0; i < n; i++) {
    Method m = methods.get(i);
    if (call_checkArgs(m, args, false))
      return invokeMethod(m, f, args);
  }
  throw fail("No matching get method in " + getClassName(c));
} catch (Exception __e) { throw rethrow(__e); } }

// used internally
static ArrayList<Method> callF_makeCache(Class c) {
  ArrayList<Method> l = new ArrayList();
  Class _c = c;
  do {
    for (Method m : _c.getDeclaredMethods())
      if (m.getName().equals("get")) {
        makeAccessible(m);
        l.add(m);
      }
    if (!l.isEmpty()) break;
    _c = _c.getSuperclass();
  } while (_c != null);
  callF_cache.put(c, l);
  return l;
}
static String fixNewLines(String s) {
  int i = indexOf(s, '\r');
  if (i < 0) return s;
  int l = s.length();
  StringBuilder out = new StringBuilder(l);
  out.append(s, 0, i);
  for (; i < l; i++) {
    char c = s.charAt(i);
    if (c != '\r')
      out.append(c);
    else {
      out.append('\n');
      if (i+1 < l && s.charAt(i+1) == '\n') ++i;
    }
  }
  return out.toString();
}
static void print_append(Appendable buf, String s, int max) { try {
  synchronized(buf) {
    buf.append(s);
    if (buf instanceof StringBuffer)
      rotateStringBuffer(((StringBuffer) buf), max);
    else if (buf instanceof StringBuilder)
      rotateStringBuilder(((StringBuilder) buf), max);
  }
} catch (Exception __e) { throw rethrow(__e); } }
static RuntimeException fail() { throw new RuntimeException("fail"); }
static RuntimeException fail(Throwable e) { throw asRuntimeException(e); }
static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); }
static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); }
static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); }

static String getType(Object o) {
  return getClassName(o);
}
static long getFileSize(String path) {
  return path == null ? 0 : new File(path).length();
}

static long getFileSize(File f) {
  return f == null ? 0 : f.length();
}
static int weekInYear(long time, TimeZone tz) {
  return parseInt(simpleDateFormat("w", tz).format(time));
}
static LongRange longRange(long start, long end) {
  return new LongRange(start, end);
}
static long yearToTimestamp(int year, TimeZone tz) { try {
  return simpleDateFormat("y", tz).parse(str(year)).getTime();
} catch (Exception __e) { throw rethrow(__e); } }
static long yearAndMonthToTimestamp(int year, int month, TimeZone tz) { try {
  return simpleDateFormat("y/M", tz).parse(year + "/" + month).getTime();
} catch (Exception __e) { throw rethrow(__e); } }
static long yearAndWeekToTimestamp(int year, int week, TimeZone tz) { try {
  return simpleDateFormat("y/w", tz).parse(year + "/" + week).getTime();
} catch (Exception __e) { throw rethrow(__e); } }
static int dayOfWeek_nr() {
  return dayOfWeek_nr(java.util.Calendar.getInstance());
}

static int dayOfWeek_nr(java.util.Calendar calendar) {
  return calendar.get(java.util.Calendar.DAY_OF_WEEK);
}

static int dayOfWeek_nr(long time) {
  return dayOfWeek_nr(calendarFromTime(time));
}

static int dayOfWeek_nr(long time, TimeZone tz) {
  return dayOfWeek_nr(calendarFromTime(time, tz));
}
static long ymdToTimestamp(int year, int month, int day, TimeZone tz) { try {
  return simpleDateFormat("y/M/d", tz).parse(year + "/" + month + "/" + day).getTime();
} catch (Exception __e) { throw rethrow(__e); } }
static <A> A assertNotNull(A a) {
  assertTrue(a != null);
  return a;
}

static <A> A assertNotNull(String msg, A a) {
  assertTrue(msg, a != null);
  return a;
}
static long hoursToMS(double hours) {
  return round(hours*60*60*1000);
}
static <A> int iteratorCount_int_close(Iterator<A> i) { try {
  int n = 0;
  if (i != null) while (i.hasNext()) { i.next(); ++n; }
  if (i instanceof AutoCloseable) ((AutoCloseable) i).close();
  return n;
} catch (Exception __e) { throw rethrow(__e); } }
static Object call(Object o) {
  return callF(o);
}

// varargs assignment fixer for a single string array argument
static Object call(Object o, String method, String[] arg) {
  return call(o, method, new Object[] {arg});
}

static Object call(Object o, String method, Object... args) {
  //ret call_cached(o, method, args);
  return call_withVarargs(o, method, args);
}
// get purpose 1: access a list/array/map (safer version of x.get(y))

static <A> A get(List<A> l, int idx) {
  return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}

// seems to conflict with other signatures
/*static <A, B> B get(Map<A, B> map, A key) {
  ret map != null ? map.get(key) : null;
}*/

static <A> A get(A[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : null;
}

// default to false
static boolean get(boolean[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : false;
}

// get purpose 2: access a field by reflection or a map

static Object get(Object o, String field) {
  try {
    if (o == null) return null;
    if (o instanceof Class) return get((Class) o, field);
    
    if (o instanceof Map)
      return ((Map) o).get(field);
      
    Field f = getOpt_findField(o.getClass(), field);
    if (f != null) {
      makeAccessible(f);
      return f.get(o);
    }
      
    
  } catch (Exception e) {
    throw asRuntimeException(e);
  }
  throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName());
}

static Object get_raw(String field, Object o) {
  return get_raw(o, field);
}

static Object get_raw(Object o, String field) { try {
  if (o == null) return null;
  Field f = get_findField(o.getClass(), field);
  makeAccessible(f);
  return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }

static Object get(Class c, String field) {
  try {
    Field f = get_findStaticField(c, field);
    makeAccessible(f);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Field get_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}

static Field get_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}

static Object get(String field, Object o) {
  return get(o, field);
}
static <A> Iterator<A> iterator(Iterable<A> c) {
  return c == null ? emptyIterator() : c.iterator();
}
static char charAt(String s, int i) {
  return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0';
}
static int localDayOfMonth(long time) {
  return parseInt(simpleDateFormat_local("dd").format(time));
}

static int localDayOfMonth() {
  return localDayOfMonth(now());
}
static int parseInt(String s) {
  return emptyString(s) ? 0 : Integer.parseInt(s);
}

static int parseInt(char c) {
  return Integer.parseInt(str(c));
}
static java.text.SimpleDateFormat simpleDateFormat(String format, TimeZone timeZone) {
  java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(format);
  sdf.setTimeZone(timeZone);
  return sdf;
}
static int localMonth(long time) {
  return parseInt(simpleDateFormat_local("MM").format(time));
}

static int localMonth() {
  return localMonth(now());
}
static int localYear() {
  return localYear(now());
}

static int localYear(long time) {
  return parseInt(simpleDateFormat_local("yyyy").format(time));
}
// MetaTransformer that understands Transformable and List
static MetaTransformer metaTransformer_transformableAndList() {
  return new MetaTransformer(new MetaTransformer.StructureHandler() {
    public Object transform(Object o, IF1 recurse) {
      if (o instanceof Transformable)
        return ((Transformable) o).transformUsing(recurse);
      if (o instanceof List)
        return map_ping(recurse, ((List) o));
      return null;
    }
    
    public void visit(Object o, IVF1 recurse) {
      if (o instanceof Visitable)
        ((Visitable) o).visitUsing(recurse);
      else if (o instanceof List)
        for  (Object x : ((List) o))
          { ping(); recurse.get(x); }
    }
  });
}
static <A> A setAll(A o, Map<String, Object> fields) {
  if (fields == null) return o;
  for (String field : keys(fields))
    set(o, field, fields.get(field));
  return o;
}

static <A> A setAll(A o, Object... values) {
  //values = expandParams(c.getClass(), values);
  failIfOddCount(values);
  for (int i = 0; i+1 < l(values); i += 2) {
    String field = (String) values[i];
    Object value = values[i+1];
    set(o, field, value);
  }
  return o;
}
// optimistic signature that usually holds
static <A> A clone(A o) {
  ArrayDeque<Runnable> q = new ArrayDeque();
  Object x = clone_impl(o, new IdentityHashMap(), q);
  while (!q.isEmpty())
    q.poll().run();
  return (A) x;
}

static Object clone_impl(Object o, final IdentityHashMap seen, final ArrayDeque<Runnable> q) { try {
  if (o == null) return null;
    
  Object y = seen.get(o);
  if (y != null) return y;
  
  if (o instanceof List) {
    //print("Cloning list: " + o);
    final List l = new ArrayList();
    seen.put(o, l);
    for (final Object x : (List) o)
      q.add(new Runnable() {  public void run() { try {  l.add(clone_impl(x, seen, q)) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "l.add(clone_impl(x, seen, q))"; }});
    return l;
  }
  
  if (o instanceof Map) {
    final Map m = similarEmptyMap((Map) o);
    seen.put(o, m);
    for (Object entry : ((Map) o).entrySet()) {
      final Map.Entry e = (Map.Entry) entry;
      q.add(new Runnable() {  public void run() { try { 
        m.put(clone_impl(e.getKey(), seen, q), clone_impl(e.getValue(), seen, q))
      ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "m.put(clone_impl(e.getKey(), seen, q), clone_impl(e.getValue(), seen, q))"; }});
    }
    return m;
  }
  
  if (o instanceof String || o instanceof Number || o instanceof Boolean) return o;
    
  if (o instanceof Object[]) {
    final Object[] l = (Object[]) o;
    final Object[] l2 = l.clone();
    seen.put(o, l2);
    for (int i = 0; i < l.length; i++) {
      final int _i = i;
      q.add(new Runnable() {  public void run() { try {  l2[_i] = clone_impl(l[_i], seen, q) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "l2[_i] = clone_impl(l[_i], seen, q)"; }});
    }
    return l2;
  }
  
  // clone an arbitrary custom object

  //print("Cloning custom: " + o);
  final Object clone = nuObjectWithoutArguments(o.getClass());
  seen.put(o, clone);
  Class c = o.getClass();
  while (c != Object.class) {
    Field[] fields = c.getDeclaredFields();
    for (final Field field : fields) {
      if ((field.getModifiers() & Modifier.STATIC) != 0)
        continue;
      field.setAccessible(true);
      final Object value = field.get(o);
      q.add(new Runnable() {  public void run() { try {  field.set(clone, clone_impl(value, seen, q)) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "field.set(clone, clone_impl(value, seen, q))"; }});
    }
    c = c.getSuperclass();
  }
  return clone;
} catch (Exception __e) { throw rethrow(__e); } }

static String unnull(String s) {
  return s == null ? "" : s;
}

static <A> Collection<A> unnull(Collection<A> l) {
  return l == null ? emptyList() : l;
}

static <A> List<A> unnull(List<A> l) {
  return l == null ? emptyList() : l;
}

static <A, B> Map<A, B> unnull(Map<A, B> l) {
  return l == null ? emptyMap() : l;
}

static <A> Iterable<A> unnull(Iterable<A> i) {
  return i == null ? emptyList() : i;
}

static <A> A[] unnull(A[] a) {
  return a == null ? (A[]) emptyObjectArray() : a;
}

static BitSet unnull(BitSet b) {
  return b == null ? new BitSet() : b;
}



//ifclass Symbol



static <A, B> Pair<A, B> unnull(Pair<A, B> p) {
  return p != null ? p : new Pair(null, null);
}

static int min(int a, int b) {
  return Math.min(a, b);
}

static long min(long a, long b) {
  return Math.min(a, b);
}

static float min(float a, float b) { return Math.min(a, b); }
static float min(float a, float b, float c) { return min(min(a, b), c); }

static double min(double a, double b) {
  return Math.min(a, b);
}

static double min(double[] c) {
  double x = Double.MAX_VALUE;
  for (double d : c) x = Math.min(x, d);
  return x;
}

static float min(float[] c) {
  float x = Float.MAX_VALUE;
  for (float d : c) x = Math.min(x, d);
  return x;
}

static byte min(byte[] c) {
  byte x = 127;
  for (byte d : c) if (d < x) x = d;
  return x;
}

static short min(short[] c) {
  short x = 0x7FFF;
  for (short d : c) if (d < x) x = d;
  return x;
}

static int min(int[] c) {
  int x = Integer.MAX_VALUE;
  for (int d : c) if (d < x) x = d;
  return x;
}
static int max(int a, int b) { return Math.max(a, b); }
static int max(int a, int b, int c) { return max(max(a, b), c); }
static long max(int a, long b) { return Math.max((long) a, b); }
static long max(long a, long b) { return Math.max(a, b); }
static double max(int a, double b) { return Math.max((double) a, b); }
static float max(float a, float b) { return Math.max(a, b); }
static double max(double a, double b) { return Math.max(a, b); }

static int max(Collection<Integer> c) {
  int x = Integer.MIN_VALUE;
  for (int i : c) x = max(x, i);
  return x;
}

static double max(double[] c) {
  if (c.length == 0) return Double.MIN_VALUE;
  double x = c[0];
  for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
  return x;
}

static float max(float[] c) {
  if (c.length == 0) return Float.MAX_VALUE;
  float x = c[0];
  for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
  return x;
}

static byte max(byte[] c) {
  byte x = -128;
  for (byte d : c) if (d > x) x = d;
  return x;
}

static short max(short[] c) {
  short x = -0x8000;
  for (short d : c) if (d > x) x = d;
  return x;
}

static int max(int[] c) {
  int x = Integer.MIN_VALUE;
  for (int d : c) if (d > x) x = d;
  return x;
}
static ArrayList emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}

static ArrayList emptyList(int capacity) {
  return new ArrayList(max(0, capacity));
}

// Try to match capacity
static ArrayList emptyList(Iterable l) {
  return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
}

static ArrayList emptyList(Object[] l) {
  return emptyList(l(l));
}

// get correct type at once
static <A> ArrayList<A> emptyList(Class<A> c) {
  return new ArrayList();
}
// unclear semantics as to whether return null on null

static <A> ArrayList<A> asList(A[] a) {
  return a == null ? new ArrayList<A>() : new ArrayList<A>(Arrays.asList(a));
}

static ArrayList<Integer> asList(int[] a) {
  if (a == null) return null;
  ArrayList<Integer> l = emptyList(a.length);
  for (int i : a) l.add(i);
  return l;
}

static ArrayList<Float> asList(float[] a) {
  if (a == null) return null;
  ArrayList<Float> l = emptyList(a.length);
  for (float i : a) l.add(i);
  return l;
}

static ArrayList<Double> asList(double[] a) {
  if (a == null) return null;
  ArrayList<Double> l = emptyList(a.length);
  for (double i : a) l.add(i);
  return l;
}

static <A> ArrayList<A> asList(Iterable<A> s) {
  if (s instanceof ArrayList) return (ArrayList) s;
  ArrayList l = new ArrayList();
  if (s != null)
    for (A a : s)
      l.add(a);
  return l;
}



static <A> ArrayList<A> asList(Enumeration<A> e) {
  ArrayList l = new ArrayList();
  if (e != null)
    while (e.hasMoreElements())
      l.add(e.nextElement());
  return l;
}




static ThreadLocal<Object> print_byThread() {
  synchronized(print_byThread_lock) {
    if (print_byThread == null)
      print_byThread = new ThreadLocal();
  }
  return print_byThread;
}
// f can return false to suppress regular printing
// call print_raw within f to actually print something
static AutoCloseable tempInterceptPrint(F1<String, Boolean> f) {
  return tempSetThreadLocal(print_byThread(), f);
}



//sbool ping_actions_shareable = true;
static volatile boolean ping_pauseAll = false;
static int ping_sleep = 100; // poll pauseAll flag every 100

static volatile boolean ping_anyActions = false;
static Map<Thread, Object> ping_actions = newWeakHashMap();
static ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();


// always returns true
static boolean ping() {
  if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */);
  //ifndef LeanMode ping_impl(); endifndef
  return true;
}

// returns true when it slept
static boolean ping_impl(boolean okInCleanUp) { try {
  if (ping_pauseAll && !isAWTThread()) {
    do
      Thread.sleep(ping_sleep);
    while (ping_pauseAll);
    return true;
  }
  
  if (ping_anyActions) { // don't allow sharing ping_actions
    if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
      failIfUnlicensed();
    Object action = null;
    synchronized(ping_actions) {
      if (!ping_actions.isEmpty()) {
        action = ping_actions.get(currentThread());
        if (action instanceof Runnable)
          ping_actions.remove(currentThread());
        if (ping_actions.isEmpty()) ping_anyActions = false;
      }
    }
    
    if (action instanceof Runnable)
      ((Runnable) action).run();
    else if (eq(action, "cancelled"))
      throw fail("Thread cancelled.");
  }

  return false;
} catch (Exception __e) { throw rethrow(__e); } }

static Object getOpt(Object o, String field) {
  return getOpt_cached(o, field);
}

static Object getOpt(String field, Object o) {
  return getOpt_cached(o, field);
}

static Object getOpt_raw(Object o, String field) { try {
  Field f = getOpt_findField(o.getClass(), field);
  if (f == null) return null;
  makeAccessible(f);
  return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }

// access of static fields is not yet optimized
static Object getOpt(Class c, String field) { try {
  if (c == null) return null;
  Field f = getOpt_findStaticField(c, field);
  if (f == null) return null;
  makeAccessible(f);
  return f.get(null);
} catch (Exception __e) { throw rethrow(__e); } }

static Field getOpt_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}

static <A> A or(A a, A b) {
  return a != null ? a : b;
}
static boolean eq(Object a, Object b) {
  return a == b || a != null && b != null && a.equals(b);
}


static <A, B> Map<A, B> newDangerousWeakHashMap() {
  return _registerDangerousWeakMap(synchroMap(new WeakHashMap()));
}

// initFunction: voidfunc(Map) - is called initially, and after clearing the map
static <A, B> Map<A, B> newDangerousWeakHashMap(Object initFunction) {
  return _registerDangerousWeakMap(synchroMap(new WeakHashMap()), initFunction);
}
static Object callMCWithVarArgs(String method, Object... args) {
  return call_withVarargs(mc(), method, args);
}
static String getClassName(Object o) {
  return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static Object invokeMethod(Method m, Object o, Object... args) { try {
  try {
    return m.invoke(o, args);
  } catch (InvocationTargetException e) {
    throw rethrow(getExceptionCause(e));
  } catch (IllegalArgumentException e) {
    throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
  }
} catch (Exception __e) { throw rethrow(__e); } }
static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
  Class<?>[] types = m.getParameterTypes();
  if (types.length != args.length) {
    if (debug)
      print("Bad parameter length: " + args.length + " vs " + types.length);
    return false;
  }
  for (int i = 0; i < types.length; i++) {
    Object arg = args[i];
    if (!(arg == null ? !types[i].isPrimitive()
      : isInstanceX(types[i], arg))) {
      if (debug)
        print("Bad parameter " + i + ": " + arg + " vs " + types[i]);
      return false;
    }
  }
  return true;
}
static RuntimeException rethrow(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}

static RuntimeException rethrow(String msg, Throwable t) {
  throw new RuntimeException(msg, t);
}
static Field makeAccessible(Field f) {
  try {
    f.setAccessible(true);
  } catch (Throwable e) {
    // Note: The error reporting only works with Java VM option --illegal-access=deny
    
    vmBus_send("makeAccessible_error",e, f);
    
  }
  return f;
}

static Method makeAccessible(Method m) {
  try {
    m.setAccessible(true);
  } catch (Throwable e) {
    
    vmBus_send("makeAccessible_error",e, m);
    
  }
  return m;
}

static Constructor makeAccessible(Constructor c) {
  try {
    c.setAccessible(true);
  } catch (Throwable e) {
    
    vmBus_send("makeAccessible_error",e, c);
    
  }
  return c;
}
static <A> int indexOf(List<A> l, A a, int startIndex) {
  if (l == null) return -1;
  int n = l(l);
  for (int i = startIndex; i < n; i++)
    if (eq(l.get(i), a))
      return i;
  return -1;
}

static <A> int indexOf(List<A> l, int startIndex, A a) {
  return indexOf(l, a, startIndex);
}

static <A> int indexOf(List<A> l, A a) {
  if (l == null) return -1;
  return l.indexOf(a);
}

static int indexOf(String a, String b) {
  return a == null || b == null ? -1 : a.indexOf(b);
}

static int indexOf(String a, String b, int i) {
  return a == null || b == null ? -1 : a.indexOf(b, i);
}

static int indexOf(String a, char b) {
  return a == null ? -1 : a.indexOf(b);
}

static int indexOf(String a, int i, char b) {
  return indexOf(a, b, i);
}

static int indexOf(String a, char b, int i) {
  return a == null ? -1 : a.indexOf(b, i);
}

static int indexOf(String a, int i, String b) {
  return a == null || b == null ? -1 : a.indexOf(b, i);
}

static <A> int indexOf(A[] x, A a) {
  int n = l(x);
  for (int i = 0; i < n; i++)
    if (eq(x[i], a))
      return i;
  return -1;
}
static void rotateStringBuffer(StringBuffer buf, int max) { try {
  if (buf == null) return;
  synchronized(buf) {
    if (buf.length() <= max) return;
    
    try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
    buf.trimToSize();
  }
} catch (Exception __e) { throw rethrow(__e); } }
static void rotateStringBuilder(StringBuilder buf, int max) { try {
  if (buf == null) return;
  synchronized(buf) {
    if (buf.length() <= max) return;
    
    try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
    buf.trimToSize();
  }
} catch (Exception __e) { throw rethrow(__e); } }
static RuntimeException asRuntimeException(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static String str(Object o) {
  return o == null ? "null" : o.toString();
}

static String str(char[] c) {
  return new String(c);
}
static java.util.Calendar calendarFromTime(long time, TimeZone tz) {
  java.util.Calendar c = java.util.Calendar.getInstance(tz);
  c.setTimeInMillis(time);
  return c;
}

static java.util.Calendar calendarFromTime(long time) {
  java.util.Calendar c = java.util.Calendar.getInstance();
  c.setTimeInMillis(time);
  return c;
}
static void assertTrue(Object o) {
  if (!(eq(o, true) /*|| isTrue(pcallF(o))*/))
    throw fail(str(o));
}
  
static boolean assertTrue(String msg, boolean b) {
  if (!b)
    throw fail(msg);
  return b;
}

static boolean assertTrue(boolean b) {
  if (!b)
    throw fail("oops");
  return b;
}
static long round(double d) {
  return Math.round(d);
}
static Object call_withVarargs(Object o, String method, Object... args) { try {
  if (o == null) return null;
  
  if (o instanceof Class) {
    Class c = (Class) o;
    _MethodCache cache = callOpt_getCache(c);
    
    Method me = cache.findStaticMethod(method, args);
    if (me != null)
      return invokeMethod(me, null, args);
      
    // try varargs
    List<Method> methods = cache.cache.get(method);
    if (methods != null) methodSearch: for (Method m : methods) {
      { if (!(m.isVarArgs())) continue; }
      { if (!(isStaticMethod(m))) continue; }
      Object[] newArgs = massageArgsForVarArgsCall(m, args);
      if (newArgs != null)
        return invokeMethod(m, null, newArgs);
    }
    
    throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
  } else {
    Class c = o.getClass();
    _MethodCache cache = callOpt_getCache(c);

    Method me = cache.findMethod(method, args);
    if (me != null)
      return invokeMethod(me, o, args);
      
    // try varargs
    List<Method> methods = cache.cache.get(method);
    if (methods != null) methodSearch: for (Method m : methods) {
      { if (!(m.isVarArgs())) continue; }
      Object[] newArgs = massageArgsForVarArgsCall(m, args);
      if (newArgs != null)
        return invokeMethod(m, o, newArgs);
    }
    
    throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
  }
} catch (Exception __e) { throw rethrow(__e); } }
static Field getOpt_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static Iterator emptyIterator() {
  return Collections.emptyIterator();
}


static SimpleDateFormat simpleDateFormat_local(String format) {
  SimpleDateFormat sdf = new SimpleDateFormat(format);
  sdf.setTimeZone(localTimeZone());
  return sdf;
}
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}

static boolean emptyString(String s) {
  return s == null || s.length() == 0;
}
static List map_ping(Iterable l, Object f) { return map_ping(f, l); }

static List map_ping(Object f, Iterable l) {
  List x = emptyList(l);
  if (l != null) for (Object o : l)
    x.add(callF(f, o));
  return x;
}


  static <A, B> List<B> map_ping(Iterable<A> l, F1<A, B> f) { return map_ping(f, l); }

  static <A, B> List<B> map_ping(F1<A, B> f, Iterable<A> l) {
    List x = emptyList(l);
    if (l != null) for (A o : l)
      x.add(callF(f, o));
    return x;
  }


static <A, B> List<B> map_ping(IF1<A, B> f, Iterable<A> l) { return map_ping(l, f); }
static <A, B> List<B> map_ping(Iterable<A> l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for  (A o : l)
    { ping(); x.add(f.get(o)); }
  return x;
}
  
static <A, B> List<B> map_ping(IF1<A, B> f, A[] l) { return map_ping(l, f); }
static <A, B> List<B> map_ping(A[] l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for  (A o : l)
    { ping(); x.add(f.get(o)); }
  return x;
}
  
static List map_ping(Object f, Object[] l) { return map_ping(f, asList(l)); }
static List map_ping(Object[] l, Object f) { return map_ping(f, l); }

static List map_ping(Object f, Map map) {
  return map_ping(map, f);
}

// map_ping: func(key, value) -> list element
static List map_ping(Map map, Object f) {
  List x = new ArrayList();
  if (map != null) for  (Object _e : map.entrySet()) { ping(); 
    Map.Entry e = (Map.Entry) _e;
    x.add(callF(f, e.getKey(), e.getValue()));
  }
  return x;
}

static <A, B, C> List<C> map_ping(Map<A, B> map, IF2<A, B, C> f) {
  return map_ping(map, (Object) f);
}
static <A, B> Set<A> keys(Map<A, B> map) {
  return map == null ? new HashSet() : map.keySet();
}

// convenience shortcut for keys_gen
static Set keys(Object map) {
  return keys((Map) map);
}








static <A> A set(A o, String field, Object value) {
  if (o == null) return null;
  if (o instanceof Class) set((Class) o, field, value);
  else try {
    Field f = set_findField(o.getClass(), field);
    makeAccessible(f);
    smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
  return o;
}

static void set(Class c, String field, Object value) {
  if (c == null) return;
  try {
    Field f = set_findStaticField(c, field);
    makeAccessible(f);
    smartSet(f, null, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
  
static Field set_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}

static Field set_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static void failIfOddCount(Object... list) {
  if (odd(l(list)))
    throw fail("Odd list size: " + list);
}
static Map similarEmptyMap(Map m) {
  if (m instanceof TreeMap) return new TreeMap(((TreeMap) m).comparator());
  if (m instanceof LinkedHashMap) return new LinkedHashMap();
  
  // default to a hash map
  return new HashMap();
}
static Map<Class, Constructor> nuObjectWithoutArguments_cache = newDangerousWeakHashMap();

static Object nuObjectWithoutArguments(String className) { try {
  return nuObjectWithoutArguments(classForName(className));
} catch (Exception __e) { throw rethrow(__e); } }

static <A> A nuObjectWithoutArguments(Class<A> c) { try {
  if (nuObjectWithoutArguments_cache == null)
    // in class init
    return (A) nuObjectWithoutArguments_findConstructor(c).newInstance();
    
  Constructor m = nuObjectWithoutArguments_cache.get(c);
  if (m == null)
    nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c));
  return (A) m.newInstance();
} catch (Exception __e) { throw rethrow(__e); } }

static Constructor nuObjectWithoutArguments_findConstructor(Class c) {
  for (Constructor m : c.getDeclaredConstructors())
    if (empty(m.getParameterTypes())) {
      makeAccessible(m);
      return m;
    }
  throw fail("No default constructor found in " + c.getName());
}

static Map emptyMap() {
  return new HashMap();
}
static Object[] emptyObjectArray_a = new Object[0];
static Object[] emptyObjectArray() { return emptyObjectArray_a; }


static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
  if (tl == null) return null;
  final A prev = setThreadLocal(tl, a);
  return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); }};
}
static <A, B> Map<A, B> newWeakHashMap() {
  return _registerWeakMap(synchroMap(new WeakHashMap()));
}
// TODO: test if android complains about this
static boolean isAWTThread() {
  if (isAndroid()) return false;
  if (isHeadless()) return false;
  return isAWTThread_awt();
}

static boolean isAWTThread_awt() {
  return SwingUtilities.isEventDispatchThread();
}
static boolean isTrue(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  if (o == null) return false;
  if (o instanceof ThreadLocal) // TODO: remove this
    return isTrue(((ThreadLocal) o).get());
  throw fail(getClassName(o));
}
static void failIfUnlicensed() {
  assertTrue("license off", licensed());
}
static Thread currentThread() {
  return Thread.currentThread();
}
//static final Map<Class, HashMap<S, Field>> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init);

static class getOpt_Map extends WeakHashMap {
  getOpt_Map() {
    if (getOpt_special == null) getOpt_special = new HashMap();
    clear();
  }
  
  public void clear() {
    super.clear();
    //print("getOpt clear");
    put(Class.class, getOpt_special);
    put(String.class, getOpt_special);
  }
}

static final Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));
//static final Map<Class, HashMap<S, Field>> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map));
static HashMap getOpt_special; // just a marker

/*static void getOpt_special_init(Map map) {
  map.put(Class.class, getOpt_special);
  map.put(S.class, getOpt_special);
}*/

static Object getOpt_cached(Object o, String field) { try {
  if (o == null) return null;

  Class c = o.getClass();
  HashMap<String, Field> map;
  synchronized(getOpt_cache) {
    map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
  }
  
  if (map == getOpt_special) {
    if (o instanceof Class)
      return getOpt((Class) o, field);
    /*if (o instanceof S)
      ret getOpt(getBot((S) o), field);*/
    if (o instanceof Map)
      return ((Map) o).get(field);
  }
    
  Field f = map.get(field);
  if (f != null) return f.get(o);
  
  return null;
} catch (Exception __e) { throw rethrow(__e); } }

// used internally - we are in synchronized block
static HashMap<String, Field> getOpt_makeCache(Class c) {
  HashMap<String, Field> map;
  if (isSubtypeOf(c, Map.class))
    map = getOpt_special;
  else {
    map = new HashMap();
    if (!reflection_classesNotToScan().contains(c.getName())) {
      Class _c = c;
      do {
        for (Field f : _c.getDeclaredFields()) {
          makeAccessible(f);
          String name = f.getName();
          if (!map.containsKey(name))
            map.put(name, f);
        }
        _c = _c.getSuperclass();
      } while (_c != null);
    }
  }
  if (getOpt_cache != null) getOpt_cache.put(c, map);
  return map;
}
static List<Pair> _registerDangerousWeakMap_preList;

static <A> A _registerDangerousWeakMap(A map) {
  return _registerDangerousWeakMap(map, null);
}

static <A> A _registerDangerousWeakMap(A map, Object init) {
  
  callF(init, map);
  
  if (init instanceof String) {
    final String f =  (String) init;
    init = new VF1<Map>() { public void get(Map map) { try {  callMC(f, map) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callMC(f, map)"; }};
  }
    
  if (javax() == null) {
    // We're in class init
    if (_registerDangerousWeakMap_preList == null) _registerDangerousWeakMap_preList = synchroList();
    _registerDangerousWeakMap_preList.add(pair(map, init));
    return map;
  }
  
  call(javax(), "_registerDangerousWeakMap", map, init);
  
  return map;
}

static void _onLoad_registerDangerousWeakMap() {
  
  assertNotNull(javax());
  if (_registerDangerousWeakMap_preList == null) return;
  for (Pair p : _registerDangerousWeakMap_preList)
    _registerDangerousWeakMap(p.a, p.b);
  _registerDangerousWeakMap_preList = null;
  
}
static Map synchroMap() {
  return synchroHashMap();
}

static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
  return Collections.synchronizedMap(map);
}
static Class mc() {
  return main.class;
}
static Throwable getExceptionCause(Throwable e) {
  Throwable c = e.getCause();
  return c != null ? c : e;
}
static String joinWithSpace(Iterable c) {
  return join(" ", c);
}

static String joinWithSpace(String... c) {
  return join(" ", c);
}

static List<String> classNames(Collection l) {
  return getClassNames(l);
}

static List<String> classNames(Object[] l) {
  return getClassNames(Arrays.asList(l));
}
static boolean isInstanceX(Class type, Object arg) {
  if (type == boolean.class) return arg instanceof Boolean;
  if (type == int.class) return arg instanceof Integer;
  if (type == long.class) return arg instanceof Long;
  if (type == float.class) return arg instanceof Float;
  if (type == short.class) return arg instanceof Short;
  if (type == char.class) return arg instanceof Character;
  if (type == byte.class) return arg instanceof Byte;
  if (type == double.class) return arg instanceof Double;
  return type.isInstance(arg);
}
static void _handleError(Error e) {
  call(javax(), "_handleError", e);
}
static void vmBus_send(String msg, Object... args) {
  Object arg = vmBus_wrapArgs(args);
  pcallFAll(vm_busListeners_live(), msg, arg);
  pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
}

static void vmBus_send(String msg) {
  vmBus_send(msg, (Object) null);
}
static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

static Object callOpt_cached(Object o, String methodName, Object... args) { try {
  if (o == null) return null;
  
  if (o instanceof Class) {
    Class c = (Class) o;
    _MethodCache cache = callOpt_getCache(c);
    
    // TODO: (super-rare) case where method exists static and non-static
    // with different args
    
    Method me = cache.findMethod(methodName, args);
    if (me == null || (me.getModifiers() & Modifier.STATIC) == 0) return null;
    return invokeMethod(me, null, args);
  } else {
    Class c = o.getClass();
    _MethodCache cache = callOpt_getCache(c);

    Method me = cache.findMethod(methodName, args);
    if (me == null) return null;
    return invokeMethod(me, o, args);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static _MethodCache callOpt_getCache(Class c) {
  synchronized(callOpt_cache) {
    _MethodCache cache = callOpt_cache.get(c);
    if (cache == null)
      callOpt_cache.put(c, cache = new _MethodCache(c));
    return cache;
  }
}
static boolean isStaticMethod(Method m) {
  return methodIsStatic(m);
}
static Object[] massageArgsForVarArgsCall(Method m, Object[] args) {
  Class<?>[] types = m.getParameterTypes();
  int n = types.length-1, nArgs = args.length;
  if (nArgs < n) return null;
  for (int i = 0; i < n; i++)
    if (!argumentCompatibleWithType(args[i], types[i]))
      return null;
  Class varArgType = types[n].getComponentType();
  for (int i = n; i < nArgs; i++)
    if (!argumentCompatibleWithType(args[i], varArgType))
      return null;
  Object[] newArgs = new Object[n+1];
  arraycopy(args, 0, newArgs, 0, n);
  Object[] varArgs = arrayOfType(varArgType, nArgs-n);
  arraycopy(args, n, varArgs, 0, nArgs-n);
  newArgs[n] = varArgs;
  return newArgs;
}
static <A> String joinWithComma(Collection<A> c) {
  return join(", ", c);
}

static String joinWithComma(String... c) {
  return join(", ", c);
}


static String joinWithComma(Pair p) {
  return p == null ? "" : joinWithComma(str(p.a), str(p.b));
}

static TimeZone localTimeZone() {
  return getTimeZone(standardTimeZone());
  // TimeZone.getDefault()?
}
static void smartSet(Field f, Object o, Object value) throws Exception {
  try {
    f.set(o, value);
  } catch (Exception e) {
    Class type = f.getType();
    
    // take care of common case (long to int)
    if (type == int.class && value instanceof Long)
      value = ((Long) value).intValue();
    
    if (type == LinkedHashMap.class && value instanceof Map)
      { f.set(o, asLinkedHashMap((Map) value)); return; }
    
    
    throw e;
  }
}
static boolean odd(int i) {
  return (i & 1) != 0;
}

static boolean odd(long i) {
  return (i & 1) != 0;
}

static boolean odd(BigInteger i) { return odd(toInt(i)); }
static Map<String, Class> classForName_cache = synchroHashMap();

static Class classForName(String name) { try {
  if (classForName_cache == null) return Class.forName(name); // in class init
  Class c = classForName_cache.get(name);
  if (c == null)
    classForName_cache.put(name, c = Class.forName(name));
  return c;
} catch (Exception __e) { throw rethrow(__e); } }


static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
  if (tl == null) return null;
  A old = tl.get();
  tl.set(value);
  return old;
}
static List _registerWeakMap_preList;

static <A> A _registerWeakMap(A map) {
  if (javax() == null) {
    // We're in class init
    if (_registerWeakMap_preList == null) _registerWeakMap_preList = synchroList();
    _registerWeakMap_preList.add(map);
    return map;
  }
  
  try {
    call(javax(), "_registerWeakMap", map);
  } catch (Throwable e) {
    printException(e);
    print("Upgrade JavaX!!");
  }
  return map;
}

static void _onLoad_registerWeakMap() {
  assertNotNull(javax());
  if (_registerWeakMap_preList == null) return;
  for (Object o : _registerWeakMap_preList)
    _registerWeakMap(o);
  _registerWeakMap_preList = null;
}
static int isAndroid_flag;

static boolean isAndroid() {
  if (isAndroid_flag == 0)
    isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1;
  return isAndroid_flag > 0;
}

static Boolean isHeadless_cache;

static boolean isHeadless() {
  if (isHeadless_cache != null) return isHeadless_cache;
  if (isAndroid()) return isHeadless_cache = true;
  if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true;
  
  // Also check if AWT actually works.
  // If DISPLAY variable is set but no X server up, this will notice.
  
  try {
    SwingUtilities.isEventDispatchThread();
    return isHeadless_cache = false;
  } catch (Throwable e) { return isHeadless_cache = true; }
}
static volatile boolean licensed_yes = true;

static boolean licensed() {
  if (!licensed_yes) return false;
  ping_okInCleanUp();
  return true;
}

static void licensed_off() {
  licensed_yes = false;
}
static void clear(Collection c) {
  if (c != null) c.clear();
}

static void clear(Map map) {
  if (map != null) map.clear();
}
static <A, B> void put(Map<A, B> map, A a, B b) {
  if (map != null) map.put(a, b);
}

static <A> void put(List<A> l, int i, A a) {
  if (l != null && i >= 0 && i < l(l)) l.set(i, a);
}
static <A, B> B mapGet2(Map<A, B> map, A a) {
  return map == null ? null : map.get(a);
}

static <A, B> B mapGet2(A a, Map<A, B> map) {
  return map == null ? null : map.get(a);
}
static boolean isSubtypeOf(Class a, Class b) {
  return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
static Set<String> reflection_classesNotToScan_value = litset(
  "jdk.internal.loader.URLClassPath"
);

static Set<String> reflection_classesNotToScan() {
  return reflection_classesNotToScan_value;
}
static HashMap<String, List<Method>> callMC_cache = new HashMap();
static String callMC_key;
static Method callMC_value;

// varargs assignment fixer for a single string array argument
static Object callMC(String method, String[] arg) {
  return callMC(method, new Object[] {arg});
}

static Object callMC(String method, Object... args) { try {
  Method me;
  if (callMC_cache == null) callMC_cache = new HashMap(); // initializer time workaround
  synchronized(callMC_cache) {
    me = method == callMC_key ? callMC_value : null;
  }
  if (me != null) try {
    return invokeMethod(me, null, args);
  } catch (IllegalArgumentException e) {
    throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
  }

  List<Method> m;
  synchronized(callMC_cache) {
    m = callMC_cache.get(method);
  }
  if (m == null) {
    if (callMC_cache.isEmpty()) {
      callMC_makeCache();
      m = callMC_cache.get(method);
    }
    if (m == null) throw fail("Method named " + method + " not found in main");
  }
  int n = m.size();
  if (n == 1) {
    me = m.get(0);
    synchronized(callMC_cache) {
      callMC_key = method;
      callMC_value = me;
    }
    try {
      return invokeMethod(me, null, args);
    } catch (IllegalArgumentException e) {
      throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
    }
  }
  for (int i = 0; i < n; i++) {
    me = m.get(i);
    if (call_checkArgs(me, args, false))
      return invokeMethod(me, null, args);
  }
  throw fail("No method called " + method + " with arguments (" + joinWithComma(getClasses(args)) + ") found in main");
} catch (Exception __e) { throw rethrow(__e); } }

static void callMC_makeCache() {
  synchronized(callMC_cache) {
    callMC_cache.clear();
    Class _c = (Class) mc(), c = _c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods())
        if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) {
          makeAccessible(m);
          multiMapPut(callMC_cache, m.getName(), m);
        }
      c = c.getSuperclass();
    }
  }
}
static Class javax() {
  return getJavaX();
}
static <A> List<A> synchroList() {
  return Collections.synchronizedList(new ArrayList<A>());
}

static <A> List<A> synchroList(List<A> l) {
  return Collections.synchronizedList(l);
}

static <A, B> Pair<A, B> pair(A a, B b) {
  return new Pair(a, b);
}

static <A> Pair<A, A> pair(A a) {
  return new Pair(a, a);
}
static Map synchroHashMap() {
  return Collections.synchronizedMap(new HashMap());
}

public static <A> String join(String glue, Iterable<A> strings) {
  if (strings == null) return "";
  if (strings instanceof Collection) {
    if (((Collection) strings).size() == 1) return str(first(((Collection) strings)));
  }
  StringBuilder buf = new StringBuilder();
  Iterator<A> i = strings.iterator();
  if (i.hasNext()) {
    buf.append(i.next());
    while (i.hasNext())
      buf.append(glue).append(i.next());
  }
  return buf.toString();
}

public static String join(String glue, String... strings) {
  return join(glue, Arrays.asList(strings));
}

static <A> String join(Iterable<A> strings) {
  return join("", strings);
}

static <A> String join(Iterable<A> strings, String glue) {
  return join(glue, strings);
}

public static String join(String[] strings) {
  return join("", strings);
}


static String join(String glue, Pair p) {
  return p == null ? "" : str(p.a) + glue + str(p.b);
}

static List<String> getClassNames(Collection l) {
  List<String> out = new ArrayList();
  if (l != null) for (Object o : l)
    out.add(o == null ? null : getClassName(o));
  return out;
}
static Object vmBus_wrapArgs(Object... args) {
  return empty(args) ? null
    : l(args) == 1 ? args[0]
    : args;
}
static void pcallFAll(Collection l, Object... args) {
  if (l != null) for (Object f : cloneList(l)) pcallF(f, args);
}

static void pcallFAll(Iterator it, Object... args) {
  while (it.hasNext()) pcallF(it.next(), args);
}
static Set vm_busListeners_live_cache;
static Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; }

static Set vm_busListeners_live_load() {
  return vm_generalIdentityHashSet("busListeners");
}
static Map<String, Set> vm_busListenersByMessage_live_cache;
static Map<String, Set> vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; }

static Map<String, Set> vm_busListenersByMessage_live_load() {
  return vm_generalHashMap("busListenersByMessage");
}
static boolean methodIsStatic(Method m) {
  return (m.getModifiers() & Modifier.STATIC) != 0;
}
static boolean argumentCompatibleWithType(Object arg, Class type) {
  return arg == null ? !type.isPrimitive() : isInstanceX(type, arg);
}
static void arraycopy(Object[] a, Object[] b) {
  if (a != null && b != null)
    arraycopy(a, 0, b, 0, min(a.length, b.length));
}

static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
  if (n != 0)
    System.arraycopy(src, srcPos, dest, destPos, n);
}
static <A> A[] arrayOfType(Class<A> type, int n) {
  return makeArray(type, n);
}

static <A> A[] arrayOfType(int n, Class<A> type) {
  return arrayOfType(type, n);
}


static TimeZone getTimeZone(String name) {
  return TimeZone.getTimeZone(name);
}
static String standardTimeZone_name = "Europe/Berlin";

static String standardTimeZone() {
  return standardTimeZone_name;
}
static <A, B> LinkedHashMap<A, B> asLinkedHashMap(Map<A, B> map) {
  if (map instanceof LinkedHashMap) return (LinkedHashMap) map;
  LinkedHashMap<A, B> m = new LinkedHashMap();
  if (map != null) synchronized(collectionMutex(map)) {
    m.putAll(map);
  }
  return m;
}
static int toInt(Object o) {
  if (o == null) return 0;
  if (o instanceof Number)
    return ((Number) o).intValue();
  if (o instanceof String)
    return parseInt(((String) o));
  if (o instanceof Boolean)
    return boolToInt(((Boolean) o));
  throw fail("woot not int: " + getClassName(o));
}

static int toInt(long l) {
  if (l != (int) l) throw fail("Too large for int: " + l);
  return (int) l;
}


static <A extends Throwable> A printException(A e) {
  printStackTrace(e);
  return e;
}
static <A> HashSet<A> litset(A... items) {
  return lithashset(items);
}
static List<Class> getClasses(Object[] array) {
  List<Class> l = emptyList(l(array));
  for (Object o : array) l.add(_getClass(o));
  return l;
}
static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
  List<B> l = map.get(a);
  if (l == null)
    map.put(a, l = new ArrayList());
  l.add(b);
}


static Class __javax;

static Class getJavaX() { try {
  
  return __javax;
} catch (Exception __e) { throw rethrow(__e); } }
static <A> ArrayList<A> cloneList(Iterable<A> l) {
  return l instanceof Collection ? cloneList((Collection) l) : asList(l);
}

static <A> ArrayList<A> cloneList(Collection<A> l) {
  if (l == null) return new ArrayList();
  synchronized(collectionMutex(l)) {
    return new ArrayList<A>(l);
  }
}
static Object pcallF(Object f, Object... args) {
  return pcallFunction(f, args);
}


static <A> A pcallF(F0<A> f) { try {
  return f == null ? null : f.get();
} catch (Throwable __e) { return null; } }



static <A, B> B pcallF(F1<A, B> f, A a) { try {
  return f == null ? null : f.get(a);
} catch (Throwable __e) { return null; } }



static <A> void pcallF(VF1<A> f, A a) {
  try {
    if (f != null) f.get(a);
  } catch (Throwable __e) { _handleException(__e); }
}

static Set vm_generalIdentityHashSet(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Set set =  (Set) (vm_generalMap_get(name));
    if (set == null)
      vm_generalMap_put(name, set = syncIdentityHashSet());
    return set;
  }
}

static Map vm_generalHashMap(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Map m =  (Map) (vm_generalMap_get(name));
    if (m == null)
      vm_generalMap_put(name, m = syncHashMap());
    return m;
  }
}

static <A> A[] makeArray(Class<A> type, int n) {
  return (A[]) Array.newInstance(type, n);
}
static Object collectionMutex(List l) {
  return l;
}

static Object collectionMutex(Object o) {
  if (o instanceof List) return o;
  
  String c = className(o);
  if (eq(c, "java.util.TreeMap$KeySet"))
    c = className(o = getOpt(o, "m"));
  else if (eq(c, "java.util.HashMap$KeySet"))
    c = className(o = get_raw(o, "this$0"));

  
  
  if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
    c = className(o = get_raw(o, "m"));
    
  
    
  return o;
}
static int boolToInt(boolean b) {
  return b ? 1 : 0;
}


static <A extends Throwable> A printStackTrace(A e) {
  // we go to system.out now - system.err is nonsense
  print(getStackTrace(e));
  return e;
}

static void printStackTrace() {
  printStackTrace(new Throwable());
}

static void printStackTrace(String msg) {
  printStackTrace(new Throwable(msg));
}

static void printStackTrace(String msg, Throwable e) {
  printStackTrace(new Throwable(msg, e));
}
static <A> HashSet<A> lithashset(A... items) {
  HashSet<A> set = new HashSet();
  for (A a : items) set.add(a);
  return set;
}
static Class<?> _getClass(String name) {
  try {
    return Class.forName(name);
  } catch (ClassNotFoundException e) {
    return null; // could optimize this
  }
}

static Class _getClass(Object o) {
  return o == null ? null
    : o instanceof Class ? (Class) o : o.getClass();
}

static Class _getClass(Object realm, String name) {
  try {
    return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
  } catch (ClassNotFoundException e) {
    return null; // could optimize this
  }
}
static Object pcallFunction(Object f, Object... args) {
  try { return callFunction(f, args); } catch (Throwable __e) { _handleException(__e); }
  return null;
}
static volatile PersistableThrowable _handleException_lastException;
static List _handleException_onException = synchroList(ll("printStackTrace2"));

static void _handleException(Throwable e) {
  _handleException_lastException = persistableThrowable(e);
  
  Throwable e2 = innerException(e);
  if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
    return;
    
  for (Object f : cloneList(_handleException_onException)) try {
    callF(f, e);
  } catch (Throwable e3) {
    printStackTrace2(e3); // not using pcall here - it could lead to endless loops
  }
}

static Object vm_generalMap_get(Object key) {
  return vm_generalMap().get(key);
}
static Object vm_generalMap_put(Object key, Object value) {
  return mapPutOrRemove(vm_generalMap(), key, value);
}
static <A> Set<A> syncIdentityHashSet() {
  return (Set) synchronizedSet(identityHashSet());
}
static Map syncHashMap() {
  return synchroHashMap();
}
static String className(Object o) {
  return getClassName(o);
}
static boolean eqOneOf(Object o, Object... l) {
  for (Object x : l) if (eq(o, x)) return true; return false;
}


static Throwable printStackTrace2(Throwable e) {
  // we go to system.out now - system.err is nonsense
  print(getStackTrace2(e));
  return e;
}

static void printStackTrace2() {
  printStackTrace2(new Throwable());
}

static void printStackTrace2(String msg) {
  printStackTrace2(new Throwable(msg));
}

static String getStackTrace(Throwable throwable) {
  lastException(throwable);
  return getStackTrace_noRecord(throwable);
}

static String getStackTrace_noRecord(Throwable throwable) {
  StringWriter writer = new StringWriter();
  throwable.printStackTrace(new PrintWriter(writer));
  return hideCredentials(writer.toString());
}

static String getStackTrace() {
  return getStackTrace_noRecord(new Throwable());
}
static Class<?> getClass(String name) {
  try {
    return Class.forName(name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}

static Class getClass(Object o) {
  return o instanceof Class ? (Class) o : o.getClass();
}

static Class getClass(Object realm, String name) { try {
  try {
    return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
  } catch (ClassNotFoundException e) {
    return null;
  }
} catch (Exception __e) { throw rethrow(__e); } }
static String classNameToVM(String name) {
  return name.replace(".", "$");
}
static Object callFunction(Object f, Object... args) {
  return callF(f, args);
}
static <A> List<A> ll(A... a) {
  ArrayList l = new ArrayList(a.length);
  if (a != null) for (A x : a) l.add(x);
  return l;
}
static PersistableThrowable persistableThrowable(Throwable e) {
  return e == null ? null : new PersistableThrowable(e);
}
static Throwable innerException(Throwable e) {
  return getInnerException(e);
}
static Map vm_generalMap_map;

static Map vm_generalMap() {
  if (vm_generalMap_map == null)
    vm_generalMap_map = (Map) get(javax(), "generalMap");
  return vm_generalMap_map;
}
static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
  if (map != null && key != null)
    if (value != null) return map.put(key, value);
    else return map.remove(key);
  return null;
}
static <A> Set<A> synchronizedSet() {
  return synchroHashSet();
}

static <A> Set<A> synchronizedSet(Set<A> set) {
  return Collections.synchronizedSet(set);
}
static <A> Set<A> identityHashSet() {
  return Collections.newSetFromMap(new IdentityHashMap());
}


static String getStackTrace2(Throwable e) {
  return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ",
    hideCredentials(str(innerException2(e)))) + "\n");
}
// PersistableThrowable doesn't hold GC-disturbing class references in backtrace
static volatile PersistableThrowable lastException_lastException;

static PersistableThrowable lastException() {
  return lastException_lastException;
}

static void lastException(Throwable e) {
  lastException_lastException = persistableThrowable(e);
}
static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); }

static String hideCredentials(String url) {
  try {
    if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url))) return url;
  } catch (Throwable e) {
    print("HideCredentials", e);
  }
  return url.replaceAll("([&?])(_pass|key|cookie)=[^&\\s\"]*", "$1$2=<hidden>");
}

static String hideCredentials(Object o) {
  return hideCredentials(str(o));
}
static Throwable getInnerException(Throwable e) {
  if (e == null) return null;
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}

static Throwable getInnerException(Runnable r) {
  return getInnerException(getException(r));
}
static <A> Set<A> synchroHashSet() {
  return Collections.synchronizedSet(new HashSet<A>());
}



static Throwable unwrapTrivialExceptionWraps(Throwable e) {
  if (e == null) return e;
  while (e.getClass() == RuntimeException.class
    && e.getCause() != null && eq(e.getMessage(), str(e.getCause())))
    e = e.getCause();
  return e;
}
static String replacePrefix(String prefix, String replacement, String s) {
  if (!startsWith(s, prefix)) return s;
  return replacement + substring(s, l(prefix));
}
static Throwable innerException2(Throwable e) {
  if (e == null) return null;
  while (empty(e.getMessage()) && e.getCause() != null)
    e = e.getCause();
  return e;
}
static boolean startsWithOneOf(String s, String... l) {
  for (String x : l) if (startsWith(s, x)) return true; return false;
}

static boolean startsWithOneOf(String s, Matches m, String... l) {
  for (String x : l) if (startsWith(s, x, m)) return true; return false;
}
static boolean isAGIBlueDomain(String domain) {
  return domainIsUnder(domain, theAGIBlueDomain());
}
static String hostNameFromURL(String url) { try {
  return new URL(url).getHost();
} catch (Exception __e) { throw rethrow(__e); } }
static Throwable getException(Runnable r) {
  try {
    callF(r);
    return null;
  } catch (Throwable e) {
    return e;
  }
}


static boolean startsWith(String a, String b) {
  return a != null && a.startsWith(b);
}

static boolean startsWith(String a, char c) {
  return nemptyString(a) && a.charAt(0) == c;
}


  static boolean startsWith(String a, String b, Matches m) {
    if (!startsWith(a, b)) return false;
    m.m = new String[] {substring(a, strL(b))};
    return true;
  }


static boolean startsWith(List a, List b) {
  if (a == null || listL(b) > listL(a)) return false;
  for (int i = 0; i < listL(b); i++)
    if (neq(a.get(i), b.get(i)))
      return false;
  return true;
}


static String substring(String s, int x) {
  return substring(s, x, strL(s));
}

static String substring(String s, int x, int y) {
  if (s == null) return null;
  if (x < 0) x = 0;
  if (x >= s.length()) return "";
  if (y < x) y = x;
  if (y > s.length()) y = s.length();
  return s.substring(x, y);
}



// convenience method for quickly dropping a prefix
static String substring(String s, CharSequence l) {
  return substring(s, l(l));
}
static boolean domainIsUnder(String domain, String mainDomain) {
  return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain);
}
static String theAGIBlueDomain() {
  return "agi.blue";
}


static boolean nemptyString(String s) {
  return s != null && s.length() > 0;
}
static int strL(String s) {
  return s == null ? 0 : s.length();
}
static int listL(Collection l) {
  return l == null ? 0 : l.size();
}
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static boolean eqic(String a, String b) {
  
  
    if ((a == null) != (b == null)) return false;
    if (a == null) return true;
    return a.equalsIgnoreCase(b);
  
}



static boolean eqic(char a, char b) {
  if (a == b) return true;
  
    char u1 = Character.toUpperCase(a);
    char u2 = Character.toUpperCase(b);
    if (u1 == u2) return true;
  
  return Character.toLowerCase(u1) == Character.toLowerCase(u2);
}
static boolean ewic(String a, String b) {
  return endsWithIgnoreCase(a, b);
}


static boolean ewic(String a, String b, Matches m) {
  return endsWithIgnoreCase(a, b, m);
}



static String asString(Object o) {
  return o == null ? null : o.toString();
}
static boolean endsWithIgnoreCase(String a, String b) {
  int la = l(a), lb = l(b);
  return la >= lb && regionMatchesIC(a, la-lb, b, 0, lb);
}


static boolean endsWithIgnoreCase(String a, String b, Matches m) {
  if (!endsWithIgnoreCase(a, b)) return false;
  m.m = new String[] { substring(a, 0, l(a)-l(b)) };
  return true;
}



static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
  
  
    return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
  
}


// immutable, has strong refs
final static class _MethodCache {
  final Class c;
  final HashMap<String, List<Method>> cache = new HashMap();
  
  _MethodCache(Class c) {
  this.c = c; _init(); }
  
  void _init() {
    Class _c = c;
    while (_c != null) {
      for (Method m : _c.getDeclaredMethods())
        if (!isAbstract(m) && !reflection_isForbiddenMethod(m))
          multiMapPut(cache, m.getName(), makeAccessible(m));
      _c = _c.getSuperclass();
    }
    
    // add default methods - this might lead to a duplication
    // because the overridden method is also added, but it's not
    // a problem except for minimal performance loss.
    for (Class intf : allInterfacesImplementedBy(c))
      for (Method m : intf.getDeclaredMethods())
        if (m.isDefault() && !reflection_isForbiddenMethod(m))
          multiMapPut(cache, m.getName(), makeAccessible(m));

    
  }
  
  // Returns only matching methods
  Method findMethod(String method, Object[] args) { try {
    List<Method> m = cache.get(method);
    
    if (m == null) return null;
    int n = m.size();
    for (int i = 0; i < n; i++) {
      Method me = m.get(i);
      if (call_checkArgs(me, args, false))
        return me;
    }
    return null;
  } catch (Exception __e) { throw rethrow(__e); } }
  
  Method findStaticMethod(String method, Object[] args) { try {
    List<Method> m = cache.get(method);
    if (m == null) return null;
    int n = m.size();
    for (int i = 0; i < n; i++) {
      Method me = m.get(i);
      if (isStaticMethod(me) && call_checkArgs(me, args, false))
        return me;
    }
    return null;
  } catch (Exception __e) { throw rethrow(__e); } }
}static abstract class VF1<A> implements IVF1<A> {
  public abstract void get(A a);
}static class Matches {
  String[] m;
  
  Matches() {}
  Matches(String... m) {
  this.m = m;}
  
  String get(int i) { return i < m.length ? m[i] : null; }
  String unq(int i) { return unquote(get(i)); }
  String fsi(int i) { return formatSnippetID(unq(i)); }
  String fsi() { return fsi(0); }
  String tlc(int i) { return unq(i).toLowerCase(); }
  boolean bool(int i) { return "true".equals(unq(i)); }
  String rest() { return m[m.length-1]; } // for matchStart
  int psi(int i) { return Integer.parseInt(unq(i)); }
  
  public String toString() { return "Matches(" + joinWithComma(quoteAll(asList(m))) + ")"; }
  
  public int hashCode() { return _hashCode(toList(m)); }
  public boolean equals(Object o) { return o instanceof Matches && arraysEqual(m, ((Matches) o).m); }
}
static class DateInterpretationConfig implements IFieldsToList{
  static final String _fieldOrder = "timeZone now assumeFuture";
  TimeZone timeZone;
  long now;
  boolean assumeFuture = false;
  DateInterpretationConfig(TimeZone timeZone, long now, boolean assumeFuture) {
  this.assumeFuture = assumeFuture;
  this.now = now;
  this.timeZone = timeZone;}
  public String toString() { return shortClassName(this) + "(" + timeZone + ", " + now + ", " + assumeFuture + ")"; }

public boolean equals(Object o) {
if (!(o instanceof DateInterpretationConfig)) return false;
    DateInterpretationConfig x =  (DateInterpretationConfig) o;
    return eq(timeZone, x.timeZone) && eq(now, x.now) && eq(assumeFuture, x.assumeFuture);
}

  public int hashCode() {
    int h = 1673400408;
    h = boostHashCombine(h, _hashCode(timeZone));
    h = boostHashCombine(h, _hashCode(now));
    h = boostHashCombine(h, _hashCode(assumeFuture));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {timeZone, now, assumeFuture}; }

  DateInterpretationConfig() { timeZone = localTimeZone(); now = now(); assumeFuture = true; }
}static interface Visitable {
  void visitUsing(IVF1 f);
}
static interface Transformable {
  Object transformUsing(IF1 f);
}
static abstract class F1<A, B> {
  abstract B get(A a);
}static class DateStructures {
  abstract static class SomeDate {}
  abstract static class SomeDateDate extends SomeDate {} // day or higher granularity
  abstract static class SomeTime extends SomeDate {}
  abstract static class SomeWeek extends SomeDateDate {}
  abstract static class DateProp extends SomeDate {} // proposition on a date, e.g. a date range

  // years
  static  class Year extends SomeDateDate implements IFieldsToList, Transformable, Visitable{
  int year;
  Year() {}
  Year(int year) {
  this.year = year;}
  public String toString() { return shortClassName(this) + "(" + year + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Year)) return false;
    Year x =  (Year) o;
    return eq(year, x.year);
}

  public int hashCode() {
    int h = 2751581;
    h = boostHashCombine(h, _hashCode(year));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {year}; }
public Object transformUsing(IF1 f) { return new Year((int) f.get(year)); }
public void visitUsing(IVF1 f) { f.get(year); }
}
  static  class CurrentYearPlus extends SomeDateDate implements IFieldsToList, Transformable, Visitable{
  int nYears;
  CurrentYearPlus() {}
  CurrentYearPlus(int nYears) {
  this.nYears = nYears;}
  public String toString() { return shortClassName(this) + "(" + nYears + ")"; }

public boolean equals(Object o) {
if (!(o instanceof CurrentYearPlus)) return false;
    CurrentYearPlus x =  (CurrentYearPlus) o;
    return eq(nYears, x.nYears);
}

  public int hashCode() {
    int h = -283479056;
    h = boostHashCombine(h, _hashCode(nYears));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {nYears}; }
public Object transformUsing(IF1 f) { return new CurrentYearPlus((int) f.get(nYears)); }
public void visitUsing(IVF1 f) { f.get(nYears); }
}
  
  // months
  static  class Month extends SomeDateDate implements IFieldsToList, Transformable, Visitable{
  int month;
  Year year;
  Month() {}
  Month(int month, Year year) {
  this.year = year;
  this.month = month;}
  public String toString() { return shortClassName(this) + "(" + month + ", " + year + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Month)) return false;
    Month x =  (Month) o;
    return eq(month, x.month) && eq(year, x.year);
}

  public int hashCode() {
    int h = 74527328;
    h = boostHashCombine(h, _hashCode(month));
    h = boostHashCombine(h, _hashCode(year));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {month, year}; }
public Object transformUsing(IF1 f) { return new Month((int) f.get(month), (Year) f.get(year)); }
public void visitUsing(IVF1 f) { f.get(month); f.get(year); }

    Month(int month) { this(month, null); }
  }
  static  class CurrentMonthPlus extends SomeDateDate implements IFieldsToList, Transformable, Visitable{
  int nMonths;
  CurrentMonthPlus() {}
  CurrentMonthPlus(int nMonths) {
  this.nMonths = nMonths;}
  public String toString() { return shortClassName(this) + "(" + nMonths + ")"; }

public boolean equals(Object o) {
if (!(o instanceof CurrentMonthPlus)) return false;
    CurrentMonthPlus x =  (CurrentMonthPlus) o;
    return eq(nMonths, x.nMonths);
}

  public int hashCode() {
    int h = -1003838751;
    h = boostHashCombine(h, _hashCode(nMonths));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {nMonths}; }
public Object transformUsing(IF1 f) { return new CurrentMonthPlus((int) f.get(nMonths)); }
public void visitUsing(IVF1 f) { f.get(nMonths); }
}
  
  // weeks
  static  class Week extends SomeWeek implements IFieldsToList, Transformable, Visitable{
  int week;
  Year year;
  Week() {}
  Week(int week, Year year) {
  this.year = year;
  this.week = week;}
  public String toString() { return shortClassName(this) + "(" + week + ", " + year + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Week)) return false;
    Week x =  (Week) o;
    return eq(week, x.week) && eq(year, x.year);
}

  public int hashCode() {
    int h = 2692116;
    h = boostHashCombine(h, _hashCode(week));
    h = boostHashCombine(h, _hashCode(year));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {week, year}; }
public Object transformUsing(IF1 f) { return new Week((int) f.get(week), (Year) f.get(year)); }
public void visitUsing(IVF1 f) { f.get(week); f.get(year); }
}
  static  class CurrentWeekPlus extends SomeWeek implements IFieldsToList, Transformable, Visitable{
  int nWeeks;
  CurrentWeekPlus() {}
  CurrentWeekPlus(int nWeeks) {
  this.nWeeks = nWeeks;}
  public String toString() { return shortClassName(this) + "(" + nWeeks + ")"; }

public boolean equals(Object o) {
if (!(o instanceof CurrentWeekPlus)) return false;
    CurrentWeekPlus x =  (CurrentWeekPlus) o;
    return eq(nWeeks, x.nWeeks);
}

  public int hashCode() {
    int h = 633919527;
    h = boostHashCombine(h, _hashCode(nWeeks));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {nWeeks}; }
public Object transformUsing(IF1 f) { return new CurrentWeekPlus((int) f.get(nWeeks)); }
public void visitUsing(IVF1 f) { f.get(nWeeks); }
}

  // days
  static  class Day extends SomeDate implements IFieldsToList, Transformable, Visitable{
  int day;
  Month month;
  Day() {}
  Day(int day, Month month) {
  this.month = month;
  this.day = day;}
  public String toString() { return shortClassName(this) + "(" + day + ", " + month + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Day)) return false;
    Day x =  (Day) o;
    return eq(day, x.day) && eq(month, x.month);
}

  public int hashCode() {
    int h = 68476;
    h = boostHashCombine(h, _hashCode(day));
    h = boostHashCombine(h, _hashCode(month));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {day, month}; }
public Object transformUsing(IF1 f) { return new Day((int) f.get(day), (Month) f.get(month)); }
public void visitUsing(IVF1 f) { f.get(day); f.get(month); }
}
  static  class TodayPlus extends SomeDate implements IFieldsToList, Transformable, Visitable{
  int nDays;
  TodayPlus() {}
  TodayPlus(int nDays) {
  this.nDays = nDays;}
  public String toString() { return shortClassName(this) + "(" + nDays + ")"; }

public boolean equals(Object o) {
if (!(o instanceof TodayPlus)) return false;
    TodayPlus x =  (TodayPlus) o;
    return eq(nDays, x.nDays);
}

  public int hashCode() {
    int h = 123418715;
    h = boostHashCombine(h, _hashCode(nDays));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {nDays}; }
public Object transformUsing(IF1 f) { return new TodayPlus((int) f.get(nDays)); }
public void visitUsing(IVF1 f) { f.get(nDays); }
}

  // weekdays
  static  class Weekday extends SomeDateDate implements IFieldsToList, Transformable, Visitable{
  int weekday;
  SomeWeek week;
  Weekday() {}
  Weekday(int weekday, SomeWeek week) {
  this.week = week;
  this.weekday = weekday;}
  public String toString() { return shortClassName(this) + "(" + weekday + ", " + week + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Weekday)) return false;
    Weekday x =  (Weekday) o;
    return eq(weekday, x.weekday) && eq(week, x.week);
}

  public int hashCode() {
    int h = -1403451640;
    h = boostHashCombine(h, _hashCode(weekday));
    h = boostHashCombine(h, _hashCode(week));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {weekday, week}; }
public Object transformUsing(IF1 f) { return new Weekday((int) f.get(weekday), (SomeWeek) f.get(week)); }
public void visitUsing(IVF1 f) { f.get(weekday); f.get(week); }

    // weekday is in Java count (1=Sunday)
    Weekday(int weekday) { this.weekday = weekday; }
  }

  // hours
  static  class Hour extends SomeTime implements IFieldsToList, Transformable, Visitable{
  int hour;
  Boolean isPM;
  Day day;
  Hour() {}
  Hour(int hour, Boolean isPM, Day day) {
  this.day = day;
  this.isPM = isPM;
  this.hour = hour;}
  public String toString() { return shortClassName(this) + "(" + hour + ", " + isPM + ", " + day + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Hour)) return false;
    Hour x =  (Hour) o;
    return eq(hour, x.hour) && eq(isPM, x.isPM) && eq(day, x.day);
}

  public int hashCode() {
    int h = 2255364;
    h = boostHashCombine(h, _hashCode(hour));
    h = boostHashCombine(h, _hashCode(isPM));
    h = boostHashCombine(h, _hashCode(day));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {hour, isPM, day}; }
public Object transformUsing(IF1 f) { return new Hour((int) f.get(hour), (Boolean) f.get(isPM), (Day) f.get(day)); }
public void visitUsing(IVF1 f) { f.get(hour); f.get(isPM); f.get(day); }

    Hour(int hour, Boolean isPM) { this(hour, isPM, null); }
  }
  static  class CurrentHourPlus extends SomeTime implements IFieldsToList, Transformable, Visitable{
  int nHours;
  CurrentHourPlus() {}
  CurrentHourPlus(int nHours) {
  this.nHours = nHours;}
  public String toString() { return shortClassName(this) + "(" + nHours + ")"; }

public boolean equals(Object o) {
if (!(o instanceof CurrentHourPlus)) return false;
    CurrentHourPlus x =  (CurrentHourPlus) o;
    return eq(nHours, x.nHours);
}

  public int hashCode() {
    int h = 1011201559;
    h = boostHashCombine(h, _hashCode(nHours));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {nHours}; }
public Object transformUsing(IF1 f) { return new CurrentHourPlus((int) f.get(nHours)); }
public void visitUsing(IVF1 f) { f.get(nHours); }
}

  // minutes
  static  class Minute extends SomeTime implements IFieldsToList, Transformable, Visitable{
  int minute;
  Hour hour;
  Minute() {}
  Minute(int minute, Hour hour) {
  this.hour = hour;
  this.minute = minute;}
  public String toString() { return shortClassName(this) + "(" + minute + ", " + hour + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Minute)) return false;
    Minute x =  (Minute) o;
    return eq(minute, x.minute) && eq(hour, x.hour);
}

  public int hashCode() {
    int h = -1990159820;
    h = boostHashCombine(h, _hashCode(minute));
    h = boostHashCombine(h, _hashCode(hour));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {minute, hour}; }
public Object transformUsing(IF1 f) { return new Minute((int) f.get(minute), (Hour) f.get(hour)); }
public void visitUsing(IVF1 f) { f.get(minute); f.get(hour); }
}
  static  class CurrentMinutePlus extends SomeTime implements IFieldsToList, Transformable, Visitable{
  int nMinutes;
  CurrentMinutePlus() {}
  CurrentMinutePlus(int nMinutes) {
  this.nMinutes = nMinutes;}
  public String toString() { return shortClassName(this) + "(" + nMinutes + ")"; }

public boolean equals(Object o) {
if (!(o instanceof CurrentMinutePlus)) return false;
    CurrentMinutePlus x =  (CurrentMinutePlus) o;
    return eq(nMinutes, x.nMinutes);
}

  public int hashCode() {
    int h = -1844800505;
    h = boostHashCombine(h, _hashCode(nMinutes));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {nMinutes}; }
public Object transformUsing(IF1 f) { return new CurrentMinutePlus((int) f.get(nMinutes)); }
public void visitUsing(IVF1 f) { f.get(nMinutes); }
}
  
  // seconds
  static  class Second extends SomeTime implements IFieldsToList, Transformable, Visitable{
  int second;
  Minute minute;
  Second() {}
  Second(int second, Minute minute) {
  this.minute = minute;
  this.second = second;}
  public String toString() { return shortClassName(this) + "(" + second + ", " + minute + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Second)) return false;
    Second x =  (Second) o;
    return eq(second, x.second) && eq(minute, x.minute);
}

  public int hashCode() {
    int h = -1822412652;
    h = boostHashCombine(h, _hashCode(second));
    h = boostHashCombine(h, _hashCode(minute));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {second, minute}; }
public Object transformUsing(IF1 f) { return new Second((int) f.get(second), (Minute) f.get(minute)); }
public void visitUsing(IVF1 f) { f.get(second); f.get(minute); }
}
  
  // special stuff
  static  class BeginningOfTime extends SomeDate implements IFieldsToList, Transformable, Visitable{
  BeginningOfTime() {}
  public String toString() { return shortClassName(this) + "(" + ")"; }

public boolean equals(Object o) {
return o instanceof BeginningOfTime;
}

  public int hashCode() {
    int h = -1618841503;
    return h;
  }
  public Object[] _fieldsToList() { return null; }
public Object transformUsing(IF1 f) { return this; }
public void visitUsing(IVF1 f) { }
}
  static  class EndOfTime extends SomeDate implements IFieldsToList, Transformable, Visitable{
  EndOfTime() {}
  public String toString() { return shortClassName(this) + "(" + ")"; }

public boolean equals(Object o) {
return o instanceof EndOfTime;
}

  public int hashCode() {
    int h = -810134049;
    return h;
  }
  public Object[] _fieldsToList() { return null; }
public Object transformUsing(IF1 f) { return this; }
public void visitUsing(IVF1 f) { }
}
  
  // date ranges & boolean operations
  static  class Between extends DateProp implements IFieldsToList, Transformable, Visitable{
  SomeDate from;
  SomeDate to;
  Between() {}
  Between(SomeDate from, SomeDate to) {
  this.to = to;
  this.from = from;}
  public String toString() { return shortClassName(this) + "(" + from + ", " + to + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Between)) return false;
    Between x =  (Between) o;
    return eq(from, x.from) && eq(to, x.to);
}

  public int hashCode() {
    int h = 1448018920;
    h = boostHashCombine(h, _hashCode(from));
    h = boostHashCombine(h, _hashCode(to));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {from, to}; }
public Object transformUsing(IF1 f) { return new Between((SomeDate) f.get(from), (SomeDate) f.get(to)); }
public void visitUsing(IVF1 f) { f.get(from); f.get(to); }
}
  static  class Or extends DateProp implements IFieldsToList, Transformable, Visitable{
  DateProp a;
  DateProp b;
  Or() {}
  Or(DateProp a, DateProp b) {
  this.b = b;
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ", " + b + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Or)) return false;
    Or x =  (Or) o;
    return eq(a, x.a) && eq(b, x.b);
}

  public int hashCode() {
    int h = 2563;
    h = boostHashCombine(h, _hashCode(a));
    h = boostHashCombine(h, _hashCode(b));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a, b}; }
public Object transformUsing(IF1 f) { return new Or((DateProp) f.get(a), (DateProp) f.get(b)); }
public void visitUsing(IVF1 f) { f.get(a); f.get(b); }
}
  static  class And extends DateProp implements IFieldsToList, Transformable, Visitable{
  DateProp a;
  DateProp b;
  And() {}
  And(DateProp a, DateProp b) {
  this.b = b;
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ", " + b + ")"; }

public boolean equals(Object o) {
if (!(o instanceof And)) return false;
    And x =  (And) o;
    return eq(a, x.a) && eq(b, x.b);
}

  public int hashCode() {
    int h = 65975;
    h = boostHashCombine(h, _hashCode(a));
    h = boostHashCombine(h, _hashCode(b));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a, b}; }
public Object transformUsing(IF1 f) { return new And((DateProp) f.get(a), (DateProp) f.get(b)); }
public void visitUsing(IVF1 f) { f.get(a); f.get(b); }
}
  static  class Not extends DateProp implements IFieldsToList, Transformable, Visitable{
  DateProp a;
  Not() {}
  Not(DateProp a) {
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Not)) return false;
    Not x =  (Not) o;
    return eq(a, x.a);
}

  public int hashCode() {
    int h = 78515;
    h = boostHashCombine(h, _hashCode(a));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a}; }
public Object transformUsing(IF1 f) { return new Not((DateProp) f.get(a)); }
public void visitUsing(IVF1 f) { f.get(a); }
}
  
  // some utility functions
  
  static boolean containsTimes(SomeDate d) {
    return defaultMetaTransformer().any(o -> o instanceof SomeTime, d);
  }
  
  static boolean containsDateDates(SomeDate d) {
    return defaultMetaTransformer().any(o -> o instanceof SomeDateDate, d);
  }
}
static interface IF0<A> {
  A get();
}static interface IF2<A, B, C> {
  C get(A a, B b);
}final static class LongRange {
  long start, end;
  
  LongRange() {}
  LongRange(long start, long end) {
  this.end = end;
  this.start = start;}
  
  public boolean equals(Object o) {
    if (o instanceof LongRange) return start == ((LongRange) o).start && end == ((LongRange) o).end;
    return false;
  }
  
  public int hashCode() {
    return boostHashCombine(hashOfLong(start), hashOfLong(end));
  }
  
  long length() { return end-start; }
  
  static String _fieldOrder = "start end";
  
  public String toString() { return "[" + start + ";" + end + "]"; }
}static interface IF1<A, B> {
  B get(A a);
}static class PersistableThrowable {
  String className;
  String msg;
  String stacktrace;
  
  PersistableThrowable() {}
  PersistableThrowable(Throwable e) {
    if (e == null)
      className = "Crazy Null Error";
    else {
      className = getClassName(e).replace('/', '.');
      msg = e.getMessage();
      stacktrace = getStackTrace_noRecord(e);
    }
  }
  
  public String toString() {
    return nempty(msg) ? className + ": " + msg : className;
  }
}static interface IVF1<A> {
  void get(A a);
}static class EnglishDateParser extends DateStructures {
  
  
  boolean assumeFuture = true; // e.g. for "tuesday" [not used]
  List<String> tok;
  int maxTokens = 3;

  // "top dogs" are the longest non-overlapping parses
  List<ParsedWithTokens<SomeDate>> topDogs(String s) {
    return pwt_topDogs(pwt_filterByType(SomeDate.class,allParses(s)));
  }
  
  SomeDate parse(String s) {
    return getVar(first(topDogs(s)));
  }
  
  IterableIterator<ParsedWithTokens> allParses(String s) {
    // tokenize, initialize
    tok = javaTok(s);
    List<ParsedWithTokens> out = new ArrayList();
    List<ListAndIndex<String>> codeTokens = asList(lai_codeTokens(tok));
    List<ParsedWithTokens<String>> initials = concatMap(codeTokens, lai -> pwt_followingTokens(1, maxTokens, lai));
    
    // find numbers
    List<ParsedWithTokens<Integer>> numbers = pwt_transform(number(), initials);

    // find ordinals (1st, 2nd, ...)
    List<ParsedWithTokens<Integer>> ordinals = new ArrayList();
    for (ParsedWithTokens<Integer> number : numbers)
      for (ParsedWithTokens<String> ord : parseToTheRight(fixedToken("st", "nd", "rd", "th"), number))
        ordinals.add(pwt_combine(number, ord));
    //print(+ordinals);
    
    // "in <n> days"
    for (ParsedWithTokens<Integer> number : numbers)
      for (ParsedWithTokens<String> in : parseToTheLeft(fixedToken("in"), number))
        for (ParsedWithTokens<String> days : parseToTheRight(fixedToken("day", "days"), number))
          out.add(pwt_combine(new TodayPlus(number.get()), in, days));
    
    // "<n> days from now"
    for (ParsedWithTokens<Integer> number : numbers)
      for (ParsedWithTokens<String> daysFromNow : parseToTheRight(fixedToken("day from now", "days from now"), number))
        out.add(pwt_combine(new TodayPlus(number.get()), number, daysFromNow));
    
    List<ParsedWithTokens<Integer>> years = pwt_filter(__31 -> isYear(__31),numbers);
    out.addAll(years);

    List<ParsedWithTokens<Integer>> months = pwt_filter(__32 -> isMonthNr(__32),numbers);
    List<ParsedWithTokens<Integer>> dayOfMonths = pwt_filter(__33 -> isDayOfMonth(__33),numbers);
    
    List<ParsedWithTokens<Weekday>> weekdays = pwt_transform(weekday(), initials);
    out.addAll(weekdays);

    // month names
    List<ParsedWithTokens<Month>> monthNames = pwt_transform(monthName(), initials);
    out.addAll(monthNames);

    // month name + year, e.g. "February 2020"
    out.addAll(pwt_combine(monthNames, years, (month, year) -> new Month(month.month, new Year(year))));

    // month name + ordinal, e.g. "March 4th"
    out.addAll(pwt_combine(monthNames, ordinals, (month, ord) -> new Day(ord, month)));

    // yesterday, today, tomorrow
    out.addAll(pwt_transform(t ->
      eqic(t, "yesterday") ? new TodayPlus(-1) :
      eqic(t, "today") ? new TodayPlus(0) :
      new TodayPlus(1),
      pwt_transform(fixedToken("yesterday", "today", "tomorrow"), initials)));
    
    // "next <weekday>"
    for (ParsedWithTokens<Weekday> weekday : weekdays)
      for (ParsedWithTokens<String> next : parseToTheLeft(fixedToken("next"), weekday))
        out.add(pwt_combine(new Weekday(weekday.get().weekday, new CurrentWeekPlus(1)), next, weekday));

    for (ParsedWithTokens<Integer> year : years)
      for (ParsedWithTokens<String> slash : parseToTheRight(fixedToken("/"), year))
        for (ParsedWithTokens<Integer> month : pwt_toTheRightOf(months, slash))
          for (ParsedWithTokens<String> slash2 : parseToTheRight(fixedToken("/"), month))
            for (ParsedWithTokens<Integer> day : pwt_toTheRightOf(dayOfMonths, slash2))
              out.add(pwt_combine(new Day(day.get(), new Month(month.get(), new Year(year.get()))), year, day));

    List<ParsedWithTokens<Hour>> hours = pwt_transform(__34 -> numberToHour(__34),numbers);
    List<ParsedWithTokens<Integer>> minutes = pwt_filter(__35 -> isMinute(__35),numbers);
    List<ParsedWithTokens<Integer>> seconds = minutes;

    List<ParsedWithTokens<String>> colons = pwt_filter(t -> eq(t, ":"), initials);

    // 15:12 etc.
    List<ParsedWithTokens<Minute>> hoursAndMinutes = pwt_combine(hours, colons, minutes, (h, __, m) -> new Minute(m, h));
    out.addAll(hoursAndMinutes);

    List<ParsedWithTokens<Second>> hoursAndMinutesAndSeconds = pwt_combine(hoursAndMinutes, colons, seconds,
      (hm, __, second) -> new Second(second, hm));
    out.addAll(hoursAndMinutesAndSeconds);

    List<ParsedWithTokens<String>> amPMs = pwt_transform(fixedToken("am", "pm"), initials);

    // 3 am, 5 pm etc.
    List<ParsedWithTokens<Hour>> amPMTimes = pwt_combine(numbers, amPMs, (hour, amPM) -> !between(hour, 1, 12) ? null : new Hour(hour, eqic(amPM, "pm")));
    out.addAll(amPMTimes);

    // between 1 and 2 pm
    for (ParsedWithTokens<Hour> time : amPMTimes)
      for (ParsedWithTokens<String> and : parseToTheLeft(fixedToken("and"), time))
        for (ParsedWithTokens<Hour> hour : pwt_toTheLeftOf(hours, and))
          out.add(pwt_combine(new Between(new Hour(hour.get().hour, time.get().isPM), time.get()), time, hour));
        
    return itIt(out);
  }

  IF1<String, Integer> number() { return s -> isInteger(s) ? parseInt(s) : null; }
  
  boolean isYear(int n) { return between(n, 1900, 2100); }
  boolean isMonthNr(int n) { return between(n, 1, 12); }
  boolean isDayOfMonth(int n) { return between(n, 1, 31); }
  boolean isHour(int n) { return between(n, 0, 23); }
  boolean isMinute(int n) { return between(n, 0, 59); }
  boolean isSecond(int n) { return between(n, 0, 59); }

  Hour numberToHour(int n) { return !isHour(n) ? null : n > 12 ? new Hour(n-12, true) : new Hour(n, null); }

  IF1<String, String> fixedToken(String... tokens) { return fixedToken(litciset(tokens)); }
  IF1<String, String> fixedToken(Set<String> set) { return t -> contains(set, t) ? t : null; }
  
  IF1<String, Weekday> weekday() {
    return s -> {
      int n = parseEnglishWeekday(s);
      return n == 0 ? null : new Weekday(n);
    };
  }
  
  IF1<String, Month> monthName() {
    return s -> {
      int n = parseEnglishMonthName(s);
      return n == 0 ? null : new Month(n);
    };
  }
  
  <A, B> List<ParsedWithTokens<B>> parseToTheLeft(IF1<A, B> f, ParsedWithTokens p) {
    return pwt_transform(f, pwt_precedingTokens(1, maxTokens, p.start()));
  }
  
  <A, B> List<ParsedWithTokens<B>> parseToTheRight(IF1<A, B> f, ParsedWithTokens p) {
    return pwt_transform(f, pwt_followingTokens(1, maxTokens, p.remaining()));
  }
}static class MetaTransformer {
  static interface StructureHandler {
    Object transform(Object o, IF1 recurse);
    void visit(Object o, IVF1 recurse);
  }
  
  List<StructureHandler> structureHandlers;
  //bool keepUnknown; // assume true for now
  
  MetaTransformer() {}
  MetaTransformer(StructureHandler... handlers) { structureHandlers = asList(handlers); }
  
  // if f returns null, go through structure
  // if f returns an object, do not recurse into it
  Object transform(IF1 f, Object o) {
    ping();
    { Object __1= f.get(o); if (__1 != null) return __1; }
    
    IF1 recurse = asFunction(f);
    for (StructureHandler h : unnull(structureHandlers)) {
      ping();
      
      { Object __2= h.transform(o, recurse); if (__2 != null) return __2; }
    }
    
    //ret keepUnknown ? o : null;
    return o;
  }
  
  // transform without result
  void visit(IVF1 f, Object o) {
    ping();
    f.get(o);
    
    IVF1 recurse = x -> visit(f, x);
    for (StructureHandler h : unnull(structureHandlers)) {
      ping();
      
      h.visit(o, recurse);
    }
  }
  
  // lift transformer function to handle structures
  IF1 asFunction(IF1 f) {
    return o -> transform(f, o);
  }
  
  // check if any element satisfies a predicate.
  // Note: might even be faster without the cancel point logic
  boolean any(IF1<Object, Boolean> pred, Object o) {
    Flag flag = new Flag();
    withCancelPoint(cp ->
      visit(x -> { if (pred.get(x)) { flag.raise(); cancelTo(cp); } }, o)
    );
    return flag.isUp();
  }
}static class Pair<A, B> implements Comparable<Pair<A, B>> {
  A a;
  B b;

  Pair() {}
  Pair(A a, B b) {
  this.b = b;
  this.a = a;}
  
  public int hashCode() {
    return hashCodeFor(a) + 2*hashCodeFor(b);
  }
  
  public boolean equals(Object o) {
    if (o == this) return true;
    if (!(o instanceof Pair)) return false;
    Pair t = (Pair) o;
    return eq(a, t.a) && eq(b, t.b);
  }
  
  public String toString() {
    return "<" + a + ", " + b + ">";
  }
  
  public int compareTo(Pair<A, B> p) {
    if (p == null) return 1;
    int i = ((Comparable<A>) a).compareTo(p.a);
    if (i != 0) return i;
    return ((Comparable<B>) b).compareTo(p.b);
  }
}

static class ParsedWithTokens<A> extends Var<A> {
  List<String> tok; // full CNC token list being parsed
  int iStart; // points to first parsed C token
  int iRemaining; // points to first unparsed C token
  
  ParsedWithTokens() {}
  ParsedWithTokens(A a) { super(a); }
  ParsedWithTokens(A a, List<String> tok, int iStart, int iRemaining) { super(a);
  this.iRemaining = iRemaining;
  this.iStart = iStart;
  this.tok = tok; }
  
  String parsedText() { return joinSubList(tok, iStart | 1, iRemaining & ~1); }
  ListAndIndex<String> remaining() { return new ListAndIndex(tok, iRemaining); }
  ListAndIndex<String> start() { return new ListAndIndex(tok, iStart); }
  
  int length() { return iRemaining-iStart; }
  
  <B> ParsedWithTokens<B> withValue(B b) {
    return new ParsedWithTokens<B>(b, tok, iStart, iRemaining);
  }
  
  public String toString() {
    return "Parsed " + quote(parsedText()) + " as " + super.toString();
  }
}static  class Not<A> implements IFieldsToList, Transformable, Visitable{
  A a;
  Not() {}
  Not(A a) {
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Not)) return false;
    Not x =  (Not) o;
    return eq(a, x.a);
}

  public int hashCode() {
    int h = 78515;
    h = boostHashCombine(h, _hashCode(a));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a}; }
public Object transformUsing(IF1 f) { return new Not((A) f.get(a)); }
public void visitUsing(IVF1 f) { f.get(a); }
}static interface IFieldsToList {
  Object[] _fieldsToList();
}static  class And<A> implements IFieldsToList, Transformable, Visitable{
  A a;
  A b;
  And() {}
  And(A a, A b) {
  this.b = b;
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ", " + b + ")"; }

public boolean equals(Object o) {
if (!(o instanceof And)) return false;
    And x =  (And) o;
    return eq(a, x.a) && eq(b, x.b);
}

  public int hashCode() {
    int h = 65975;
    h = boostHashCombine(h, _hashCode(a));
    h = boostHashCombine(h, _hashCode(b));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a, b}; }
public Object transformUsing(IF1 f) { return new And((A) f.get(a), (A) f.get(b)); }
public void visitUsing(IVF1 f) { f.get(a); f.get(b); }
}static class ListAndIndex<A> implements IFieldsToList{
  static final String _fieldOrder = "list idx";
  List<A> list;
  int idx;
  ListAndIndex(List<A> list, int idx) {
  this.idx = idx;
  this.list = list;}

public boolean equals(Object o) {
if (!(o instanceof ListAndIndex)) return false;
    ListAndIndex x =  (ListAndIndex) o;
    return eq(list, x.list) && eq(idx, x.idx);
}

  public int hashCode() {
    int h = 276903961;
    h = boostHashCombine(h, _hashCode(list));
    h = boostHashCombine(h, _hashCode(idx));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {list, idx}; }

  boolean atEnd() { return idx >= l(list); }
  
  A get() { return _get(list, idx); }
  int size() { return l(list); }
  
  public String toString() {
    return subList(list, 0, idx) + ", then " + subList(list, idx);
  }
}// you still need to implement hasNext() and next()
static abstract class IterableIterator<A> implements Iterator<A>, Iterable<A> {
  public Iterator<A> iterator() {
    return this;
  }
  
  public void remove() {
    unsupportedOperation();
  }
}/** this class is fully thread-safe */
static class Flag implements Runnable {
  private boolean up = false;

  /** returns true if flag was down before (i.e. flag was actually raised right now) */
  public synchronized boolean raise() {
    if (!up) {
      up = true;
      notifyAll();
      return true;
    } else
      return false;
  }

  public synchronized void waitUntilUp() {
    while (!up) {
      try {
        wait();
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }
  }

  public synchronized void waitUntilUp(long timeout) {
    if (!up) {
      try {
        wait(timeout);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }
  }

  public synchronized boolean isUp() {
    return up;
  }
  
  boolean get() { return isUp(); }

  public String toString() {
    return isUp() ? "up" : "down";
  }

  // currently does a semi-active wait with latency = 50 ms
  public void waitForThisOr(Flag otherFlag) { try {
    while (!isUp() && !otherFlag.isUp())
      Thread.sleep(50);
  } catch (Exception __e) { throw rethrow(__e); } }
  
  public void run() { raise(); }
}

static class Var<A> implements IVar<A> {
  Var() {}
  Var(A v) {
  this.v = v;}

  
  A v; // you can access this directly if you use one thread
  
  public synchronized void set(A a) {
    if (v != a) {
      v = a;
      notifyAll();
    }
  }
  
  public synchronized A get() { return v; }
  public synchronized boolean has() { return v != null; }
  public synchronized void clear() { v = null; }
  
  public String toString() { return str(get()); }
}

static interface IVar<A> extends IF0<A> {
  void set(A a);
  A get();
  
  default boolean has() { return get() != null; }
  default void clear() { set(null); }
  
}

static boolean isAbstract(Class c) {
  return (c.getModifiers() & Modifier.ABSTRACT) != 0;
}

static boolean isAbstract(Method m) {
  return (m.getModifiers() & Modifier.ABSTRACT) != 0;
}
static boolean reflection_isForbiddenMethod(Method m) {
  return m.getDeclaringClass() == Object.class
    && eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
}
static Set<Class> allInterfacesImplementedBy(Class c) {
  if (c == null) return null;
  HashSet<Class> set = new HashSet();
  allInterfacesImplementedBy_find(c, set);
  return set;
}

static void allInterfacesImplementedBy_find(Class c, Set<Class> set) {
  if (c.isInterface() && !set.add(c)) return;
  do {
    for (Class intf : c.getInterfaces())
      allInterfacesImplementedBy_find(intf, set);
  } while ((c = c.getSuperclass()) != null);
}
static Method findMethod(Object o, String method, Object... args) {
  return findMethod_cached(o, method, args);
}

static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
  Class<?>[] types = m.getParameterTypes();
  if (types.length != args.length) {
    if (debug)
      System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
    return false;
  }
  for (int i = 0; i < types.length; i++)
    if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
  return true;
}
static Method findStaticMethod(Class c, String method, Object... args) {
  Class _c = c;
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (!m.getName().equals(method))
        continue;

      if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
        continue;

      return m;
    }
    c = c.getSuperclass();
  }
  return null;
}

static boolean findStaticMethod_checkArgs(Method m, Object[] args) {
  Class<?>[] types = m.getParameterTypes();
  if (types.length != args.length)
    return false;
  for (int i = 0; i < types.length; i++)
    if (!(args[i] == null || isInstanceX(types[i], args[i])))
      return false;
  return true;
}

static String unquote(String s) {
  if (s == null) return null;
  if (startsWith(s, '[')) {
    int i = 1;
    while (i < s.length() && s.charAt(i) == '=') ++i;
    if (i < s.length() && s.charAt(i) == '[') {
      String m = s.substring(1, i);
      if (s.endsWith("]" + m + "]"))
        return s.substring(i+1, s.length()-i-1);
    }
  }
  
  if (s.length() > 1) {
    char c = s.charAt(0);
    if (c == '\"' || c == '\'') {
      int l = endsWith(s, c) ? s.length()-1 : s.length();
      StringBuilder sb = new StringBuilder(l-1);
  
      for (int i = 1; i < l; i++) {
        char ch = s.charAt(i);
        if (ch == '\\') {
          char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
          // Octal escape?
          if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0'
                      && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                  if ((i < l - 1) && s.charAt(i + 1) >= '0'
                          && s.charAt(i + 1) <= '7') {
                      code += s.charAt(i + 1);
                      i++;
                  }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
          }
          switch (nextChar) {
          case '\"': ch = '\"'; break;
          case '\\': ch = '\\'; break;
          case 'b': ch = '\b'; break;
          case 'f': ch = '\f'; break;
          case 'n': ch = '\n'; break;
          case 'r': ch = '\r'; break;
          case 't': ch = '\t'; break;
          case '\'': ch = '\''; break;
          // Hex Unicode: u????
          case 'u':
              if (i >= l - 5) {
                  ch = 'u';
                  break;
              }
              int code = Integer.parseInt(
                      "" + s.charAt(i + 2) + s.charAt(i + 3)
                         + s.charAt(i + 4) + s.charAt(i + 5), 16);
              sb.append(Character.toChars(code));
              i += 5;
              continue;
          default:
            ch = nextChar; // added by Stefan
          }
          i++;
        }
        sb.append(ch);
      }
      return sb.toString();
    }
  }
    
  return s; // not quoted - return original
}
static String formatSnippetID(String id) {
  return "#" + parseSnippetID(id);
}

static String formatSnippetID(long id) {
  return "#" + id;
}
static String fsi(String id) {
  return formatSnippetID(id);
}
static List<String> quoteAll(Collection<String> l) {
  List<String> x = new ArrayList();
  for (String s : l)
    x.add(quote(s));
  return x;
}
static int _hashCode(Object a) {
  return a == null ? 0 : a.hashCode();
}
static <A> ArrayList<A> toList(A[] a) { return asList(a); }
static ArrayList<Integer> toList(int[] a) { return asList(a); }
static <A> ArrayList<A> toList(Set<A> s) { return asList(s); }
static <A> ArrayList<A> toList(Iterable<A> s) { return asList(s); }
static boolean arraysEqual(Object[] a, Object[] b) {
  if (a.length != b.length) return false;
  for (int i = 0; i < a.length; i++)
    if (neq(a[i], b[i])) return false;
  return true;
}
static String shortClassName(Object o) {
  if (o == null) return null;
  Class c = o instanceof Class ? (Class) o : o.getClass();
  String name = c.getName();
  return shortenClassName(name);
}
static int boostHashCombine(int a, int b) {
  return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
}
static int hashOfLong(long l) {
  return Long.hashCode(l);
}
static int length(Object[] array) {
  return array == null ? 0 : array.length;
}

static int length(List list) {
  return list == null ? 0 : list.size();
}

static int length(String s) {
  return s == null ? 0 : s.length();
}
static boolean nempty(Collection c) {
  return !empty(c);
}

static boolean nempty(CharSequence s) {
  return !empty(s);
}

static boolean nempty(Object[] o) { return !empty(o); }
static boolean nempty(byte[] o) { return !empty(o); }
static boolean nempty(int[] o) { return !empty(o); }

static boolean nempty(Map m) {
  return !empty(m);
}

static boolean nempty(Iterator i) {
  return i != null && i.hasNext();
}

static boolean nempty(Object o) { return !empty(o); }
static <A> List<ParsedWithTokens<A>> pwt_topDogs(Iterable<ParsedWithTokens<A>> l) {
  List<ParsedWithTokens<A>> topDogs = new ArrayList();
  for (ParsedWithTokens<A> p : unnull(l))
    for (int i = p.iStart; i < p.iRemaining; i += 2)
      listPut(topDogs, i, pwt_winner(_get(topDogs, i), p));
  return uniquify(nonNulls(topDogs));
}
static <A> List<ParsedWithTokens<A>> pwt_filterByType(Class<A> type, Iterable<ParsedWithTokens> l) {
  return (List) filter(l, p -> isInstance(type, p.get()));
}
// TODO: extended multi-line strings

static int javaTok_n, javaTok_elements;
static boolean javaTok_opt = false;

static List<String> javaTok(String s) {
  ++javaTok_n;
  ArrayList<String> tok = new ArrayList();
  int l = s == null ? 0 : s.length();
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(javaTok_substringN(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    // Special JavaX syntax: 'identifier
    if (c == '\'' && Character.isJavaIdentifierStart(d) && i+2 < l && "'\\".indexOf(s.charAt(i+2)) < 0) {
      j += 2;
      while (j < l && Character.isJavaIdentifierPart(s.charAt(j)))
        ++j;
    } else if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        int c2 = s.charAt(j);
        if (c2 == opener || c2 == '\n' && opener == '\'') { // allow multi-line strings, but not for '
          ++j;
          break;
        } else if (c2 == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else if (c == '[' && d == '[') {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else
      ++j;
      
    tok.add(javaTok_substringC(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  javaTok_elements += tok.size();
  return tok;
}

static List<String> javaTok(List<String> tok) {
  return javaTokWithExisting(join(tok), tok);
}
static IterableIterator<ListAndIndex<String>> lai_codeTokens(List<String> tok) {
  return mapI(codeTokenIndices(tok), i -> new ListAndIndex(tok, i));
}
// f must return a list
static List concatMap(Object f, Iterable l) {
  return concatLists(map(f, l));
}

static List concatMap(Iterable l, Object f) {
  return concatMap(f, l);
}

static List concatMap(Object f, Object[] l) {
  return concatLists(map(f, l));
}

static List concatMap(Object[] l, Object f) {
  return concatMap(f, l);
}

static <A, B, C extends Iterable<B>> List<B> concatMap(Iterable<A> l, IF1<A, C> f) {
  return concatMap(l, (Object) f);
}

static <A, B, C extends Iterable<B>> List<B> concatMap(IF1<A, C> f, Iterable<A> l) {
  return concatMap(l, f);
}
static IterableIterator<ParsedWithTokens<String>> pwt_followingTokens(int minTokens, int maxTokens, ListAndIndex<String> tok) {
  int remaining = countRemainingTokens(tok);
  int iStart = tok.idx | 1; // go to C token
  return countIterator_inclusive(
    min(minTokens, remaining),
    min(maxTokens, remaining),
    n -> pwt_raw(tok.list, iStart, iStart+n*2-1));
}
static <A, B> List<ParsedWithTokens<B>> pwt_transform(IF1<A, B> f, Iterable<ParsedWithTokens<A>> l) {
  return map_nonNulls(p -> {
    B b = f.get(p.get());
    return b == null ? null : p.withValue(b);
  }, l);
}
static <A> ParsedWithTokens<A> pwt_combine(A value, ParsedWithTokens p1, ParsedWithTokens p2) {
  assertSame(p1.tok, p2.tok);
  return new ParsedWithTokens(value, p1.tok, min(p1.iStart, p2.iStart), max(p1.iRemaining, p2.iRemaining));
}

// shorter version taking value of first pwt
static <A> ParsedWithTokens<A> pwt_combine(ParsedWithTokens<A> p1, ParsedWithTokens p2) {
  return pwt_combine(p1.get(), p1, p2);
}

// entirely different meaning

static <A, B, C> List<ParsedWithTokens<C>> pwt_combine(Iterable<ParsedWithTokens<A>> l1, Iterable<ParsedWithTokens<B>> l2, IF2<A, B, C> f) {
  List<ParsedWithTokens<C>> out = new ArrayList();
  for (ParsedWithTokens<A> a : l1)
    for (ParsedWithTokens<B> b : pwt_toTheRightOf(l2, a))
      out.add(pwt_combine(f.get(a.get(), b.get()), a, b));
  return out;
}

static <A, B, C, D> List<ParsedWithTokens<D>> pwt_combine(Iterable<ParsedWithTokens<A>> l1, Iterable<ParsedWithTokens<B>> l2, Iterable<ParsedWithTokens<C>> l3, IF3<A, B, C, D> f) {
  List<ParsedWithTokens<D>> out = new ArrayList();
  for (ParsedWithTokens<A> a : l1)
    for (ParsedWithTokens<B> b : pwt_toTheRightOf(l2, a))
      for (ParsedWithTokens<C> c : pwt_toTheRightOf(l3, b))
        out.add(pwt_combine(f.get(a.get(), b.get(), c.get()), a, c));
  return out;
}
static <A> List<ParsedWithTokens<A>> pwt_filter(IF1<A, Boolean> f, Iterable<ParsedWithTokens<A>> l) {
  return filter(p -> f.get(p.get()), l);
}
static String weekday() {
  return get(englishWeekdays(), dayOfWeek_nr()-1);
}
static <A> IterableIterator<ParsedWithTokens<A>> pwt_toTheRightOf(Iterable<ParsedWithTokens<A>> l, ParsedWithTokens b) {
  return filterI(iterator(l), p -> {
    //print("ttro: " + p.iStart + " / " + b.iRemaining);
    return p.iStart == (b.iRemaining | 1);
  });
}
static boolean between(long x, long min, long max) {
  return isBetween(x, min, max);
}
static <A> IterableIterator<ParsedWithTokens<A>> pwt_toTheLeftOf(Iterable<ParsedWithTokens<A>> l, ParsedWithTokens b) {
  return filterI(iterator(l), p -> {
    //print("ttlo: " + p.iRemaining + " / " + b.iStart);
    return (p.iRemaining | 1) == (b.iStart | 1);
  });
}
static <A> IterableIterator<A> itIt(Iterable<A> l) {
  if (l == null) return emptyItIt();
  if (l instanceof IterableIterator) return ((IterableIterator) l);
  Iterator<A> it = l.iterator();
  if (it instanceof IterableIterator) return ((IterableIterator) it);
  return new IterableIterator<A>() {
    public boolean hasNext() { return it.hasNext(); }
    public A next() { return it.next(); }
  };
}
static boolean isInteger(String s) {
  int n = l(s);
  if (n == 0) return false;
  int i = 0;
  if (s.charAt(0) == '-')
    if (++i >= n) return false;
  while (i < n) {
    char c = s.charAt(i);
    if (c < '0' || c > '9') return false;
    ++i;
  }
  return true;
}
static TreeSet<String> litciset(String... items) {
  TreeSet<String> set = caseInsensitiveSet();
  for (String a : items) set.add(a);
  return set;
}


static boolean contains(Collection c, Object o) {
  return c != null && c.contains(o);
}

static boolean contains(Object[] x, Object o) {
  if (x != null)
    for (Object a : x)
      if (eq(a, o))
        return true;
  return false;
}

static boolean contains(String s, char c) {
  return s != null && s.indexOf(c) >= 0;
}

static boolean contains(String s, String b) {
  return s != null && s.indexOf(b) >= 0;
}

static boolean contains(BitSet bs, int i) {
  return bs != null && bs.get(i);
}


static int parseEnglishWeekday(String s) {
  return indexOfIC(englishWeekdays(), s)+1;
}
static Map<String, Integer> parseEnglishMonthName_cache;

// returns 1-12 (or 0 if unknown)
static int parseEnglishMonthName(String s) {
  if (parseEnglishMonthName_cache == null)
    parseEnglishMonthName_cache = listIndexCI(englishMonthNames());
  return or(parseEnglishMonthName_cache.get(s), -1)+1;
}
static IterableIterator<ParsedWithTokens<String>> pwt_precedingTokens(int minTokens, int maxTokens, ListAndIndex<String> tok) {
  int remaining = countPrecedingTokens(tok);
  int iStart = tok.idx;
  return countIterator_inclusive(
    min(minTokens, remaining),
    min(maxTokens, remaining),
    n -> pwt_raw(tok.list, iStart-n*2, iStart-1));
}
static void withCancelPoint(VF1<CancelPoint> r) {
   CancelPoint cp = newCancelPoint(); try {
  try {
    callF(r, cp);
  } catch (Throwable e) {
    e = innerException(e);
    if (!(e instanceof CancelToCancelPoint && ((CancelToCancelPoint) e).cp == cp))
      rethrow(e);
  }
} finally { _close(cp); }}

static void withCancelPoint(IVF1<CancelPoint> r) {
   CancelPoint cp = newCancelPoint(); try {
  try {
    r.get(cp);
  } catch (Throwable e) {
    e = innerException(e);
    if (!(e instanceof CancelToCancelPoint && ((CancelToCancelPoint) e).cp == cp))
      rethrow(e);
  }
} finally { _close(cp); }}
static RuntimeException cancelTo(CancelPoint cp) {
  if (cp.closed) throw fail("cancel point closed");
  throw new CancelToCancelPoint(cp);
}
static int hashCodeFor(Object a) {
  return a == null ? 0 : a.hashCode();
}
static String joinSubList(List<String> l, int i, int j) {
  return join(subList(l, i, j));
}

static String joinSubList(List<String> l, int i) {
  return join(subList(l, i));
}


static String quote(Object o) {
  if (o == null) return "null";
  return quote(str(o));
}

static String quote(String s) {
  if (s == null) return "null";
  StringBuilder out = new StringBuilder((int) (l(s)*1.5+2));
  quote_impl(s, out);
  return out.toString();
}
  
static void quote_impl(String s, StringBuilder out) {
  out.append('"');
  int l = s.length();
  for (int i = 0; i < l; i++) {
    char c = s.charAt(i);
    if (c == '\\' || c == '"')
      out.append('\\').append(c);
    else if (c == '\r')
      out.append("\\r");
    else if (c == '\n')
      out.append("\\n");
    else if (c == '\0')
      out.append("\\0");
    else
      out.append(c);
  }
  out.append('"');
}
static <A> A _get(List<A> l, int idx) {
  return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}

static Object _get(Object o, String field) {
  return get(o, field);
}

static Object _get(String field, Object o) {
  return get(o, field);
}
static <A> A _get(A[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : null;
}
static <A> List<A> subList(List<A> l, int startIndex) {
  return subList(l, startIndex, l(l));
}

static <A> List<A> subList(int startIndex, int endIndex, List<A> l) {
  return subList(l, startIndex, endIndex);
}

static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
  if (l == null) return null;
  int n = l(l);
  startIndex = Math.max(0, startIndex);
  endIndex = Math.min(n, endIndex);
  if (startIndex >= endIndex) return ll();
  if (startIndex == 0 && endIndex == n) return l;
  return l.subList(startIndex, endIndex);
}


static UnsupportedOperationException unsupportedOperation() {
  throw new UnsupportedOperationException();
}


static Method findMethod_cached(Object o, String method, Object... args) { try {
  if (o == null) return null;
  if (o instanceof Class) {
    _MethodCache cache = callOpt_getCache(((Class) o));
    List<Method> methods = cache.cache.get(method);
    if (methods != null) for (Method m : methods)
      if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
        return m;
    return null;
  } else {
    _MethodCache cache = callOpt_getCache(o.getClass());
    List<Method> methods = cache.cache.get(method);
    if (methods != null) for (Method m : methods)
      if (findMethod_checkArgs(m, args, false))
        return m;
    return null;
  }
} catch (Exception __e) { throw rethrow(__e); } }

static boolean endsWith(String a, String b) {
  return a != null && a.endsWith(b);
}

static boolean endsWith(String a, char c) {
  return nempty(a) && lastChar(a) == c;
}


  static boolean endsWith(String a, String b, Matches m) {
    if (!endsWith(a, b)) return false;
    m.m = new String[] {dropLast(l(b), a)};
    return true;
  }


public static long parseSnippetID(String snippetID) {
  long id = Long.parseLong(shortenSnippetID(snippetID));
  if (id == 0) throw fail("0 is not a snippet ID");
  return id;
}
static String shortenClassName(String name) {
  if (name == null) return null;
  int i = lastIndexOf(name, "$");
  if (i < 0) i = lastIndexOf(name, ".");
  return i < 0 ? name : substring(name, i+1);
}
static <A> void listPut(List<A> l, int i, A a, A emptyElement) {
  listSet(l, i, a, emptyElement);
}

static <A> void listPut(List<A> l, int i, A a) {
  listSet(l, i, a);
}

static <A> ParsedWithTokens<A> pwt_winner(ParsedWithTokens<A> a, ParsedWithTokens<A> b) {
  return a == null ? b : b == null ? a : a.length() >= b.length() ? a : b;
}
static <A> List<A> uniquify(Collection<A> l) {
  return uniquifyList(l);
}
static <A> List<A> nonNulls(List<A> l) {
  return withoutNulls(l);
}

static <A> List<A> nonNulls(A[] l) {
  return withoutNulls(l);
}

static <A, B> Map<A, B> nonNulls(Map<A, B> map) {
  return withoutNulls(map);
}
static <A> List<A> filter(Iterable<A> c, Object pred) {
  if (pred instanceof F1) return filter(c, (F1<A, Boolean>) pred);

  
  List x = new ArrayList();
  if (c != null) for (Object o : c)
    if (isTrue(callF(pred, o)))
      x.add(o);
  return x;
}

static List filter(Object pred, Iterable c) {
  return filter(c, pred);
}

static <A, B extends A> List<B> filter(Iterable<B> c, F1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (pred.get(o))
      x.add(o);
  return x;
}

static <A, B extends A> List<B> filter(F1<A, Boolean> pred, Iterable<B> c) {
  return filter(c, pred);
}

//ifclass IF1
static <A, B extends A> List<B> filter(Iterable<B> c, IF1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (pred.get(o))
      x.add(o);
  return x;
}

static <A, B extends A> List<B> filter(B[] c, IF1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (pred.get(o))
      x.add(o);
  return x;
}

static <A, B extends A> List<B> filter(IF1<A, Boolean> pred, Iterable<B> c) {
  return filter(c, pred);
}
//endif
static boolean isInstance(Class type, Object arg) {
  return type.isInstance(arg);
}
static String javaTok_substringN(String s, int i, int j) {
  if (i == j) return "";
  if (j == i+1 && s.charAt(i) == ' ') return " ";
  return s.substring(i, j);
}
static String javaTok_substringC(String s, int i, int j) {
  return s.substring(i, j);
}
static List<String> javaTokWithExisting(String s, List<String> existing) {
  ++javaTok_n;
  int nExisting = javaTok_opt && existing != null ? existing.size() : 0;
  ArrayList<String> tok = existing != null ? new ArrayList(nExisting) : new ArrayList();
  int l = s.length();
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(javaTok_substringN(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    // Special JavaX syntax: 'identifier
    if (c == '\'' && Character.isJavaIdentifierStart(d) && i+2 < l && "'\\".indexOf(s.charAt(i+2)) < 0) {
      j += 2;
      while (j < l && Character.isJavaIdentifierPart(s.charAt(j)))
        ++j;
    } else if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener /*|| s.charAt(j) == '\n'*/) { // allow multi-line strings
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else if (c == '[' && d == '[') {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else
      ++j;
      
    if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(javaTok_substringC(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  javaTok_elements += tok.size();
  return tok;
}

static boolean javaTokWithExisting_isCopyable(String t, String s, int i, int j) {
  return t.length() == j-i
    && s.regionMatches(i, t, 0, j-i); // << could be left out, but that's brave
}
static class mapI_It extends IterableIterator {
  Object f;
  Iterator i;
  
  mapI_It() {}
  mapI_It(Object f, Iterator i) {
  this.i = i;
  this.f = f;}
  
  public boolean hasNext() {
    return i.hasNext();
  }
  
  public Object next() {
    return callF(f, i.next());
  }
  
  public String toString() {
    return formatFunctionCall("mapI", f, i);
  }
}


// apply a function to an iterator
static IterableIterator mapI(final Object f, final Iterator i) {
  return new mapI_It(f, i);
}


static IterableIterator mapI(IterableIterator i, Object f) {
  return mapI((Iterator) i, f);
}

static IterableIterator mapI(Object f, IterableIterator i) {
  return mapI((Iterator) i, f);
}


static IterableIterator mapI(Iterator i, Object f) {
  return mapI(f, i);
}

static <A, B> IterableIterator<B> mapI(Iterable<A> i, IF1<A, B> f) {
  return mapI(i, (Object) f);
}

static <A, B> IterableIterator<B> mapI(Iterator<A> i, IF1<A, B> f) {
  return mapI(f, i);
}

static <A, B> IterableIterator<B> mapI(IterableIterator<A> i, IF1<A, B> f) {
  return mapI((Iterator<A>) i, f);
}

static <A, B> IterableIterator<B> mapI(IF1<A, B> f, Iterable<A> i) {
  return mapI(i, (Object) f);
}

static IterableIterator mapI(Iterable i, Object f) {
  return mapI(f, i.iterator());
}

static IterableIterator mapI(Object f, Iterable i) {
  return mapI(i, f);
}

static IterableIterator<Integer> codeTokenIndices(List<String> tok) {
  return countIterator_exclusive_step(1, l(tok) & ~1, 2);
}
static <A> List<A> concatLists(Iterable<A>... lists) {
  List<A> l = new ArrayList();
  if (lists != null) for (Iterable<A> list : lists)
    addAll(l, list);
  return l;
}

static <A> List<A> concatLists(Collection<? extends Iterable<A>> lists) {
  List<A> l = new ArrayList();
  if (lists != null) for (Iterable<A> list : lists)
    addAll(l, list);
  return l;
}

static int countRemainingTokens(ListAndIndex<String> l) {
  return l == null ? 0 : (l.size()-l.idx)/2;
}
static IterableIterator<Integer> countIterator_inclusive(final int a, final int b) {
  return countIterator_exclusive(a, b+1);
}

static <A> IterableIterator<A> countIterator_inclusive(int a, int b, IF1<Integer, A> f) {
  return countIterator_exclusive(a, b+1, f);
}
static ParsedWithTokens<String> pwt_raw(List<String> tok, int iStart, int iEnd) {
  return new ParsedWithTokens<String>(joinSubList(tok, iStart, iEnd), tok, iStart, iEnd);
}
static List map_nonNulls(Iterable l, Object f) {
  return mapNonNulls(l, f);
}



static List map_nonNulls(Object f, Iterable l) {
  return mapNonNulls(f, l);
}



static List map_nonNulls(Object f, Object[] l) {
  return mapNonNulls(f, l);
}


  static <A, B> List<B> map_nonNulls(Iterable<A> l, F1<A, B> f) {
  return mapNonNulls(l, f);
}



  static <A, B> List<B> map_nonNulls(F1<A, B> f, Iterable<A> l) {
  return mapNonNulls(f, l);
}



static <A, B> List<B> map_nonNulls(A[] l, IF1<A, B> f) {
  return mapNonNulls(l, f);
}



static <A, B> List<B> map_nonNulls(Iterable<A> l, IF1<A, B> f) {
  return mapNonNulls(l, f);
}



static <A, B> List<B> map_nonNulls(IF1<A, B> f, Iterable<A> l) {
  return mapNonNulls(f, l);
}
static void assertSame(String msg, Object a, Object b) {
  if (a != b)
    throw fail(msg);
}

static void assertSame(Object a, Object b) {
  if (a != b)
    throw fail();
}
static List<String> englishWeekdays_list = ll("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");


static List<String> englishWeekdays() {
  return englishWeekdays_list;
}
static <A> IterableIterator<A> filterI(Iterator<A> it, F1<A, Boolean> f) {
  return filterIterator(it, f);
}



static <A> IterableIterator<A> filterI(Iterator<A> it, IF1<A, Boolean> f) {
  return filterIterator(it, f);
}



static <A> IterableIterator<A> filterI(F1<A, Boolean> f, Iterator<A> it) {
  return filterIterator(f, it);
}

static <A> IterableIterator<A> filterI(IF1<A, Boolean> f, Iterator<A> it) {
  return filterIterator(f, it);
}
static boolean isBetween(long x, long min, long max) {
  return x >= min && x <= max;
}


static <A> IterableIterator<A> emptyItIt() {
  return emptyIterableIterator();
}
static TreeSet<String> caseInsensitiveSet() {
  return caseInsensitiveSet_treeSet();
}

static TreeSet<String> caseInsensitiveSet(Collection<String> c) {
  return caseInsensitiveSet_treeSet(c);
}
static <A> TreeSet<A> treeSet() {
  return new TreeSet();
}
static int indexOfIC(List<String> a, String b) {
  return indexOfIgnoreCase(a, b);
}

static int indexOfIC(List<String> a, String b, int i) {
  return indexOfIgnoreCase(a, b, i);
}

static int indexOfIC(String a, String b) {
  return indexOfIgnoreCase(a, b);
}
static Map<String, Integer> listIndexCI(List<String> l) {
  Map<String, Integer> map = ciMap();
  for (int i = 0; i < l(l); i++)
    map.put(l.get(i), i);
  return map;
}
static List<String> englishMonthNames() {
  return englishMonthName_data;
}
static int countPrecedingTokens(ListAndIndex<String> l) {
  return l == null ? 0 : l.idx/2;
}
static CancelPoint newCancelPoint() {
  return new CancelPoint();
}
static void _close(AutoCloseable c) {
  if (c != null) try {
    c.close();
  } catch (Throwable e) {
    // Some classes stupidly throw an exception on double-closing
    if (c instanceof javax.imageio.stream.ImageOutputStream)
      return;
    else throw rethrow(e);
  }
}


static List<String> englishMonthName_data = ll("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");

// nr = 1 to 12
static String englishMonthName(int nr) {
  return get(englishMonthName_data, nr-1);
}
static char lastChar(String s) {
  return empty(s) ? '\0' : s.charAt(l(s)-1);
}
static String[] dropLast(String[] a, int n) {
  n = Math.min(n, a.length);
  String[] b = new String[a.length-n];
  System.arraycopy(a, 0, b, 0, b.length);
  return b;
}

static <A> List<A> dropLast(List<A> l) {
  return subList(l, 0, l(l)-1);
}

static <A> List<A> dropLast(int n, List<A> l) {
  return subList(l, 0, l(l)-n);
}

static <A> List<A> dropLast(Iterable<A> l) {
  return dropLast(asList(l));
}

static String dropLast(String s) {
  return substring(s, 0, l(s)-1);
}

static String dropLast(String s, int n) {
  return substring(s, 0, l(s)-n);
}

static String dropLast(int n, String s) {
  return dropLast(s, n);
}

static String shortenSnippetID(String snippetID) {
  if (snippetID.startsWith("#"))
    snippetID = snippetID.substring(1);
  String httpBlaBla = "http://tinybrain.de/";
  if (snippetID.startsWith(httpBlaBla))
    snippetID = snippetID.substring(httpBlaBla.length());
  return "" + parseLong(snippetID);
}
static int lastIndexOf(String a, String b) {
  return a == null || b == null ? -1 : a.lastIndexOf(b);
}

static int lastIndexOf(String a, char b) {
  return a == null ? -1 : a.lastIndexOf(b);
}

// starts searching from i-1
static <A> int lastIndexOf(List<A> l, int i, A a) {
  if (l == null) return -1;
  for (i = min(l(l), i)-1; i >= 0; i--)
    if (eq(l.get(i), a))
      return i;
  return -1;
}
static <A> void listSet(List<A> l, int i, A a, A emptyElement) {
  if (i < 0) return;
  while (i >= l(l)) l.add(emptyElement);
  l.set(i, a);
}

static <A> void listSet(List<A> l, int i, A a) {
  listSet(l, i, a, null);
}

static <A> List<A> uniquifyList(Collection<A> l) {
  if (l == null) return null;
  if (l(l) < 2) return asList(l);
  HashSet<A> set = new HashSet();
  List<A> out = new ArrayList();
  for (A a : l)
    if (set.add(a))
      out.add(a);
  return out;
}
static <A> List<A> withoutNulls(List<A> l) {
  if (!containsNulls(l)) return l;
  List<A> l2 = new ArrayList();
  for (A a : l)
    if (a != null)
      l2.add(a);
  return l2;
}

static <A, B> Map<A, B> withoutNulls(Map<A, B> map) {
  Map<A, B> map2 = similarEmptyMap(map);
  for (A a : keys(map))
    if (a != null) {
      B b = map.get(a);
      if (b != null)
        map2.put(a, b);
    }
  return map2;
}

static <A> List<A> withoutNulls(A[] l) {
  List<A> l2 = new ArrayList();
  if (l != null) for (A a : l)
    if (a != null)
      l2.add(a);
  return l2;
}
static String formatFunctionCall(String fname, Object... args) {
  return fname + "(" + joinWithComma(allToString(args)) + ")";
}
static IterableIterator<Integer> countIterator_exclusive_step(final int a, final int b, final int step) {
  return new IterableIterator<Integer>() {
    int i = a;
    
    public boolean hasNext() { return i < b; }
    public Integer next() { i += step; return i-step; }
  };
}
static <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
  if (c != null && b != null) for (A a : b) c.add(a);
}

static <A, B extends A> boolean addAll(Collection<A> c, Collection<B> b) {
  return c != null && b != null && c.addAll(b);
}

static <A, B extends A> boolean addAll(Collection<A> c, B... b) {
  return c != null && c.addAll(Arrays.asList(b));
}



static <A, B> Map<A, B> addAll(Map<A, B> a, Map<? extends A,? extends B> b) {
  if (a != null) a.putAll(b);
  return a;
}
static IterableIterator<Integer> countIterator_exclusive(int a, int b) {
  return new IterableIterator<Integer>() {
    int i = a;
    
    public boolean hasNext() { return i < b; }
    public Integer next() { return i++; }
  };
}

static IterableIterator<Integer> countIterator_exclusive(int b) {
  return countIterator_exclusive(0, b);
}

static <A> IterableIterator<A> countIterator_exclusive(int a, int b, IF1<Integer, A> f) {
  return mapI(countIterator_exclusive(a, b), f);
}
static List mapNonNulls(Iterable l, Object f) { return mapNonNulls(f, l); }

static List mapNonNulls(Object f, Iterable l) {
  List x = new ArrayList();
  if (l != null) for (Object o : l)
    addIfNotNull(x, callF(f, o));
  return x;
}

static List mapNonNulls(Object f, Object[] l) {
  List x = new ArrayList();
  if (l != null) for (Object o : l)
    addIfNotNull(x, callF(f, o));
  return x;
}


  static <A, B> List<B> mapNonNulls(Iterable<A> l, F1<A, B> f) { return mapNonNulls(f, l); }

  static <A, B> List<B> mapNonNulls(F1<A, B> f, Iterable<A> l) {
    List x = new ArrayList();
    if (l != null) for (Object o : l)
      addIfNotNull(x, callF(f, o));
    return x;
  }


static <A, B> List<B> mapNonNulls(A[] l, IF1<A, B> f) {
  return mapNonNulls(f, l);
}

static <A, B> List<B> mapNonNulls(Iterable<A> l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : l)
    addIfNotNull(x, f.get(o));
  return x;
}

static <A, B> List<B> mapNonNulls(IF1<A, B> f, Iterable<A> l) {
  return mapNonNulls(l, f);
}
static <A> IterableIterator<A> filterIterator(final Iterator<A> it, final F1<A, Boolean> f) {
  if (it == null) return null;
  return iff(new F0<Object>() { public Object get() { try { 
    while (it.hasNext()) {
      A a = it.next();
      if (callF(f, a))
        return a;
    }
    return endMarker();
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "while (it.hasNext()) {\r\n      A a = it.next();\r\n      if (callF(f, a))\r\n     ..."; }});
}

static <A> IterableIterator<A> filterIterator(final Iterator<A> it, final IF1<A, Boolean> f) {
  if (it == null) return null;
  return iff(new F0<Object>() { public Object get() { try { 
    while (it.hasNext()) {
      A a = it.next();
      if (callF(f, a))
        return a;
    }
    return endMarker();
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "while (it.hasNext()) {\r\n      A a = it.next();\r\n      if (callF(f, a))\r\n     ..."; }});
}

static <A> IterableIterator<A> filterIterator(final F1<A, Boolean> f, final Iterator<A> it) {
  return filterIterator(it, f);
}

static <A> IterableIterator<A> filterIterator(Collection<A> l, IF1<A, Boolean> f) {
  if (l == null) return null;
  Iterator<A> it = iterator(l);
  return iff(new F0<Object>() { public Object get() { try { 
    while (it.hasNext()) {
      A a = it.next();
      if (f.get(a))
        return a;
    }
    return endMarker();
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "while (it.hasNext()) {\r\n      A a = it.next();\r\n      if (f.get(a))\r\n        ..."; }});
}

static <A> IterableIterator<A> filterIterator(IF1<A, Boolean> f, Iterator<A> it) {
  return filterIterator(it, f);
}
static IterableIterator emptyIterableIterator_instance = new IterableIterator() {
  public Object next() { throw fail(); }
  public boolean hasNext() { return false; }
};

static <A> IterableIterator<A> emptyIterableIterator() {
  return emptyIterableIterator_instance; 
}
static TreeSet<String> caseInsensitiveSet_treeSet() {
  return new TreeSet(caseInsensitiveComparator());
}

static TreeSet<String> caseInsensitiveSet_treeSet(Collection<String> c) {
  return toCaseInsensitiveSet_treeSet(c);
}
// works on lists and strings and null

static int indexOfIgnoreCase(List<String> a, String b) {
  return indexOfIgnoreCase(a, b, 0);
}

static int indexOfIgnoreCase(List<String> a, String b, int i) {
  int n = a == null ? 0 : a.size();
  for (; i < n; i++)
    if (eqic(a.get(i), b)) return i;
  return -1;
}

static int indexOfIgnoreCase(String a, String b) {
  return indexOfIgnoreCase_manual(a, b);
  /*Matcher m = Pattern.compile(b, Pattern.CASE_INSENSITIVE + Pattern.LITERAL).matcher(a);
  if (m.find()) return m.start(); else ret -1;*/
}
static <A> TreeMap<String, A> ciMap() {
  return caseInsensitiveMap();
}


static long parseLong(String s) {
  if (empty(s)) return 0;
  return Long.parseLong(dropSuffix("L", s));
}

static long parseLong(Object s) {
  return Long.parseLong((String) s);
}
static boolean containsNulls(Collection c) {
  return contains(c, null);
}
static List<String> allToString(Iterable c) {
  List<String> l = new ArrayList();
  for (Object o : unnull(c)) l.add(str(o));
  return l;
}

static List<String> allToString(Object[] c) {
  List<String> l = new ArrayList();
  for (Object o : unnull(c)) l.add(str(o));
  return l;
}
static <A> boolean addIfNotNull(Collection<A> l, A a) {
  return a != null && l != null & l.add(a);
}


// f: func -> A | endMarker
static <A> IterableIterator<A> iff(Object f) {
  return iteratorFromFunction_withEndMarker(f);
}

// can't use type parameter because end marker
static IterableIterator iff(F0 f) {
  return iteratorFromFunction_withEndMarker(f);
}

static <A> IterableIterator iff(IF0 f) {
  return iteratorFromFunction_withEndMarker(f);
}
static Object endMarker() {
  return iteratorFromFunction_endMarker;
}
static Comparator<String> caseInsensitiveComparator() {
  
  
  return betterCIComparator();
  
}
static TreeSet<String> toCaseInsensitiveSet_treeSet(Iterable<String> c) {
  if (isCISet(c)) return (TreeSet) c;
  TreeSet<String> set = caseInsensitiveSet_treeSet();
  addAll(set, c);
  return set;
}

static TreeSet<String> toCaseInsensitiveSet_treeSet(String... x) {
  TreeSet<String> set = caseInsensitiveSet_treeSet();
  addAll(set, x);
  return set;
}
static int indexOfIgnoreCase_manual(String a, String b) {
  int la = strL(a), lb = strL(b);
  if (la < lb) return -1;
  int n = la-lb;
  
  loop: for (int i = 0; i <= n; i++) {
    for (int j = 0; j < lb; j++) {
      char c1 = a.charAt(i+j), c2 = b.charAt(j);
      if (!eqic(c1, c2))
        continue loop;
    }
    return i;
  }
  return -1;
}
static <A> TreeMap<String, A> caseInsensitiveMap() {
  return new TreeMap(caseInsensitiveComparator());
}


// requires ugly casting when used (O -> A)
static Object iteratorFromFunction_endMarker = new Object();

// f: func -> A | endMarker
static <A> IterableIterator<A> iteratorFromFunction_withEndMarker(final Object f) {
  class IFF extends IterableIterator<A> {
    A a;
    boolean have, done;
    
    public boolean hasNext() {
      getNext();
      return !done;
    }
    
    public A next() {
      getNext();
      if (done) throw fail();
      A _a = a;
      a = null;
      have = false;
      return _a;
    }
    
    void getNext() {
      if (done || have) return;
      Object o = callF(f);
      if (o == iteratorFromFunction_endMarker)
        { done = true; return; }
      a = (A) o;
      have = true;
    }
  };
  return new IFF();
}

// optimized version for F0 argument; TODO: do same for IF0
static <A> IterableIterator<A> iteratorFromFunction_withEndMarker(final F0 f) {
  return iteratorFromFunction_withEndMarker_f0(f);
}
static String dropSuffix(String suffix, String s) {
  return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static betterCIComparator_C betterCIComparator_instance;

static betterCIComparator_C betterCIComparator() {
  if (betterCIComparator_instance == null)
    betterCIComparator_instance = new betterCIComparator_C();
  return betterCIComparator_instance;
}

static class betterCIComparator_C implements Comparator<String> {
  public int compare(String s1, String s2) {
    if (s1 == null) return s2 == null ? 0 : -1;
    if (s2 == null) return 1;
  
    int n1 = s1.length();
    int n2 = s2.length();
    int min = Math.min(n1, n2);
    for (int i = 0; i < min; i++) {
        char c1 = s1.charAt(i);
        char c2 = s2.charAt(i);
        if (c1 != c2) {
            c1 = Character.toUpperCase(c1);
            c2 = Character.toUpperCase(c2);
            if (c1 != c2) {
                c1 = Character.toLowerCase(c1);
                c2 = Character.toLowerCase(c2);
                if (c1 != c2) {
                    // No overflow because of numeric promotion
                    return c1 - c2;
                }
            }
        }
    }
    return n1 - n2;
  }
}
static boolean isCISet(Iterable<String> l) {
  return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator();
}


static <A> IterableIterator<A> iteratorFromFunction_withEndMarker_f0(final F0<A> f) {
  class IFF2 extends IterableIterator<A> {
    A a;
    boolean have, done;
    
    public boolean hasNext() {
      getNext();
      return !done;
    }
    
    public A next() {
      getNext();
      if (done) throw fail();
      A _a = a;
      a = null;
      have = false;
      return _a;
    }
    
    void getNext() {
      if (done || have) return;
      Object o = f.get();
      if (o == iteratorFromFunction_endMarker)
        { done = true; return; }
      a = (A) o;
      have = true;
    }
  };
  return new IFF2();
}


static class CancelPoint implements AutoCloseable {
  volatile boolean closed = false;
  
  public void close() { closed = true; }
}static class CancelToCancelPoint extends QuickException {
  CancelPoint cp;
  
  CancelToCancelPoint(CancelPoint cp) {
  this.cp = cp;}
}static interface IF3<A, B, C, D> {
  D get(A a, B b, C c);
}static abstract class F0<A> {
  abstract A get();
}

static class QuickException extends RuntimeException {
  public Throwable fillInStackTrace() { return this; }
  
  QuickException() {}
  QuickException(Throwable e) { super(e); }
  QuickException(String msg) { super(msg); }
  QuickException(String msg, Throwable e) { super(msg, e); }
}
}