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 javax.swing.border.*;
import java.awt.datatransfer.StringSelection;
class main {
static class NumClasses extends DynBigNumber {
  void start() {
    super.start();
    setDescription("(MOST) CLASSES IN VM");
    doEveryAndNow(10.0, new Runnable() { public void run() { try {  setValue(l(allClassesLoadedByJavaXClassLoaders())) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "setValue(l(allClassesLoadedByJavaXClassLoaders()))"; }});
  }
  
  JComponent visualize() {
    return componentPopupMenuItem(super.visualize(), "Garbage Collect", new Runnable() { public void run() { try {  gc(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "gc();"; }});
  }
}
static RuntimeException rethrow(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static Map<Thread, Boolean> _registerThread_threads = newWeakHashMap();

static Thread _registerThread(Thread t) {
  _registerThread_threads.put(t, true);
  return t;
}

static void _registerThread() { _registerThread(Thread.currentThread()); }
static java.util.Timer doEveryAndNow(int delay, Object r) {
  return doEveryStartingNow(delay, r);
}

static java.util.Timer doEveryAndNow(double delay, Object r) {
  return doEveryStartingNow(toInt(toMS(delay)), r);
}

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(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] 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(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)
    : (Integer) call(o, "size");
}




static volatile long gc_memoryUsedAfterGC;

static void gc() {
  callOpt(javax(), "cleanWeakMaps");
  System.gc();
  gc_memoryUsedAfterGC = usedMemory();
}
static <A extends JComponent> A componentPopupMenuItem(A c, final String name, final Object action) {
  componentPopupMenu(c, new VF1<JPopupMenu>() { void get(JPopupMenu menu) { try { 
    addMenuItem(menu, name, action);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, name, action);"; }});
  return c;
}

static void componentPopupMenuItem(JComponent c, final JMenuItem menuItem) {
  componentPopupMenu(c, new VF1<JPopupMenu>() { void get(JPopupMenu menu) { try { 
    addMenuItem(menu, menuItem);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, menuItem);"; }});
}
static Set<Class> allClassesLoadedByJavaXClassLoaders() {
  HashSet<Class> set = new HashSet();
  for (ClassLoader cl : allJavaXClassLoaders())
    addAll(set, (Collection) getOpt(cl, "loadedClasses"));
  return set;
}


static java.util.Timer doEveryStartingNow(int delay, Object r) {
  return doEvery(delay, 0, r);
}

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);
  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 long usedMemory() {
  return Runtime.getRuntime().totalMemory()-Runtime.getRuntime().freeMemory();
}
static void _handleError(Error e) {
  call(javax(), "_handleError", e);
}
static Object callOpt(Object o) {
  if (o == null) return null;
  return callF(o);
}

static Object callOpt(Object o, String method, Object... args) {
  try {
    if (o == null) return null;
    if (o instanceof Class) {
      Method m = callOpt_findStaticMethod((Class) o, method, args, false);
      if (m == null) return null;
      m.setAccessible(true);
      return invokeMethod(m, null, args);
    } else {
      Method m = callOpt_findMethod(o, method, args, false);
      if (m == null) return null;
      m.setAccessible(true);
      return invokeMethod(m, o, args);
    }
  } catch (Exception e) {
    //fail(e.getMessage() + " | Method: " + method + ", receiver: " + className(o) + ", args: (" + join(", ", map(f className, args) + ")");
    throw rethrow(e);
  }
}

static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
  Class _c = c;
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (debug)
        System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
      if (!m.getName().equals(method)) {
        if (debug) System.out.println("Method name mismatch: " + method);
        continue;
      }

      if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 || !callOpt_checkArgs(m, args, debug))
        continue;

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

static Method callOpt_findMethod(Object o, String method, Object[] args, boolean debug) {
  Class c = o.getClass();
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (debug)
        System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
      if (m.getName().equals(method) && callOpt_checkArgs(m, args, debug))
        return m;
    }
    c = c.getSuperclass();
  }
  return null;
}

private static boolean callOpt_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 <A, B> Map<A, B> newWeakHashMap() {
  return _registerWeakMap(synchroMap(new WeakHashMap()));
}
static List<ClassLoader> allJavaXClassLoaders() {
  return filter("isJavaXClassLoader",allClassLoaders());
}

static Object call(Object o) {
  return callFunction(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) { try {
  if (o == null) return null;
  if (o instanceof Class) {
    Method m = call_findStaticMethod((Class) o, method, args, false);
    m.setAccessible(true);
    return invokeMethod(m, null, args);
  } else {
    Method m = call_findMethod(o, method, args, false);
    m.setAccessible(true);
    return invokeMethod(m, o, args);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
  Class _c = c;
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (debug)
        System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
      if (!m.getName().equals(method)) {
        if (debug) System.out.println("Method name mismatch: " + method);
        continue;
      }

      if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug))
        continue;

      return m;
    }
    c = c.getSuperclass();
  }
  throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName());
}

static Method call_findMethod(Object o, String method, Object[] args, boolean debug) {
  Class c = o.getClass();
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (debug)
        System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
      if (m.getName().equals(method) && call_checkArgs(m, args, debug))
        return m;
    }
    c = c.getSuperclass();
  }
  throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName());
}

static boolean call_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 Map<JComponent, List> componentPopupMenu_map;
static ThreadLocal<MouseEvent> componentPopupMenu_mouseEvent;

static void componentPopupMenu_init() {
  { swing(new Runnable() { public void run() { try { 
    if (componentPopupMenu_map == null)
      componentPopupMenu_map = or((Map<JComponent, List>) getOpt(creator(), "componentPopupMenu_map"), (Map<JComponent, List>) (Map) newWeakHashMap());
    if (componentPopupMenu_mouseEvent == null)
      componentPopupMenu_mouseEvent = or((ThreadLocal<MouseEvent>) getOpt(creator(), "componentPopupMenu_mouseEvent"), new ThreadLocal());
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (componentPopupMenu_map == null)\r\n      componentPopupMenu_map = or((Map<J..."; }}); }
}

// menuMaker = voidfunc(JPopupMenu)
static void componentPopupMenu(final JComponent component, final Object menuMaker) {
  componentPopupMenu_init();
  if (component != null && menuMaker != null) { swing(new Runnable() { public void run() { try { 
    List maker = componentPopupMenu_map.get(component);
    if (maker == null) {
      componentPopupMenu_map.put(component, maker = new ArrayList());
      component.addMouseListener(new componentPopupMenu_Adapter(maker));
    }
    maker.add(menuMaker);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "List maker = componentPopupMenu_map.get(component);\r\n    if (maker == null) {..."; }}); }
}

static class componentPopupMenu_Adapter extends MouseAdapter {
  List maker;
  
  componentPopupMenu_Adapter(List maker) {
  this.maker = maker;}
  
  public void mousePressed(MouseEvent e) { displayMenu(e); }
  public void mouseReleased(MouseEvent e) { displayMenu(e); }

  void displayMenu(MouseEvent e) {
    if (e.isPopupTrigger()) displayMenu2(e);
  }
    
  void displayMenu2(MouseEvent e) {
    JPopupMenu menu = new JPopupMenu();
    int emptyCount = menu.getComponentCount();
    
    componentPopupMenu_mouseEvent.set(e);
    for (Object menuMaker : maker)
      pcallF(menuMaker, menu);
    
    // show menu if any items in it
    if (menu.getComponentCount() != emptyCount)
      menu.show(e.getComponent(), e.getX(), e.getY());
  }
}


static Class javax() {
  return getJavaX();
}
static <A> void addAll(Collection<A> c, Iterable<A> b) {
  if (c != null && b != null) for (A a : b) c.add(a);
}

static <A> void addAll(Collection<A> c, Collection<A> b) {
  if (c != null && b != null) c.addAll(b);
}

static <A> void addAll(Collection<A> c, A... b) {
  if (c != null) c.addAll(Arrays.asList(b));
}
static Object getOpt(Object o, String field) {
  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;
    f.setAccessible(true);
    return f.get(o);
  } catch (Exception e) {
    throw new RuntimeException(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;
    f.setAccessible(true);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(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 long toMS(double seconds) {
  return (long) (seconds*1000);
}
static void addMenuItem(JPopupMenu menu, String text, Object action) {
  menu.add(jmenuItem(text, action));
}

static void addMenuItem(JPopupMenu menu, JMenuItem menuItem) {
  menu.add(menuItem);
}

static void addMenuItem(JMenu menu, String text, Object action) {
  menu.add(jmenuItem(text, action));
}

static void addMenuItem(Menu menu, String text, Object action) {
  menu.add(menuItem(text, action));
}

static void addMenuItem(JMenu menu, JMenuItem menuItem) {
  menu.add(menuItem);
}



static Map synchroMap() {
  return synchroHashMap();
}

static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
  return Collections.synchronizedMap(map);
}
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 WeakHashMap<Class, ArrayList<Method>> callF_cache = new WeakHashMap();


  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 Object callF(Object f, Object... args) { try {
  if (f instanceof String)
    return callMC((String) f, args);
  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")) {
        m.setAccessible(true);
        l.add(m);
      }
    if (!l.isEmpty()) break;
    _c = _c.getSuperclass();
  } while (_c != null);
  callF_cache.put(c, l);
  return l;
}
static Object callFunction(Object f, Object... args) {
  return callF(f, args);
}
// firstDelay = delay
static FixedRateTimer doEvery(long delay, final Object r) {
  return doEvery(delay, delay, r);
}

static FixedRateTimer doEvery(long delay, long firstDelay, final Object r) {
  FixedRateTimer timer = new FixedRateTimer();
  timer.scheduleAtFixedRate(smartTimerTask(r, timer, toInt(delay)), toInt(firstDelay), toInt(delay));
  return timer;
}

// reversed argument order for fun
static FixedRateTimer doEvery(double initialSeconds, double delaySeconds, final Object r) {
  return doEvery(toMS(delaySeconds), toMS(initialSeconds), r);
}

static FixedRateTimer doEvery(double delaySeconds, final Object r) {
  return doEvery(toMS(delaySeconds), r);
}

//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();
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) {
        f.setAccessible(true);
        String name = f.getName();
        if (!map.containsKey(name))
          map.put(name, f);
      }
      _c = _c.getSuperclass();
    } while (_c != null);
  }
  getOpt_cache.put(c, map);
  return map;
}
static List<ClassLoader> allClassLoaders() {
  return map("getClassLoader",allMainClasses());
}

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 Class __javax;

static Class getJavaX() { try {
  
  return __javax;
} catch (Exception __e) { throw rethrow(__e); } }
static WeakReference<Class> creator_class;

static Class creator() {
  return creator_class == null ? null : creator_class.get();
}
static <A> A or(A a, A b) {
  return a != null ? a : b;
}
static JMenuItem jmenuItem(final String text, final Object r) {
  return swing(new F0<JMenuItem>() { JMenuItem get() { try { 
    Pair<String, Integer> p = jmenu_autoMnemonic(text);
    JMenuItem mi = new JMenuItem(p.a);
    if (p.b != 0) mi.setMnemonic(p.b);
    mi.addActionListener(actionListener(r));
    return mi;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Pair<S, Int> p = jmenu_autoMnemonic(text);\r\n    JMenuItem mi = new JMenuItem(..."; }});
}
static boolean isJavaXClassLoader(ClassLoader cl) {
  return startsWithOneOf(className(cl), "main$JavaXClassLoader", "x30$JavaXClassLoader");
}
static MenuItem menuItem(String text, final Object r) {
  MenuItem mi = new MenuItem(text);
  mi.addActionListener(actionListener(r));
  return mi;
}
static int parseInt(String s) {
  return empty(s) ? 0 : Integer.parseInt(s);
}

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

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

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 Object swing(Object f) {
  return swingAndWait(f);
}

static <A> A swing(F0<A> f) {
  return (A) swingAndWait(f);
}
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 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 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 List<Class> allMainClasses() {
  return (List) callOpt(javax(), "allMainClasses");
}
static boolean startsWithOneOf(String s, String... l) {
  for (String x : l) if (startsWith(s, x)) return true; return false;
}
static Throwable getExceptionCause(Throwable e) {
  Throwable c = e.getCause();
  return c != null ? c : e;
}
static String joinWithSpace(Collection<String> 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 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 matching arguments 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) {
          m.setAccessible(true);
          multiMapPut(callMC_cache, m.getName(), m);
        }
      c = c.getSuperclass();
    }
  }
}
static <A, B> void put(Map<A, B> map, A a, B b) {
  if (map != null) map.put(a, b);
}
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(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 RuntimeException asRuntimeException(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
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 void swingAndWait(Runnable r) { try {
  if (isAWTThread())
    r.run();
  else
    EventQueue.invokeAndWait(r);
} catch (Exception __e) { throw rethrow(__e); } }

static Object swingAndWait(final Object f) {
  if (isAWTThread())
    return callF(f);
  else {
    final Var result = new Var();
    swingAndWait(new Runnable() { public void run() { try { 
      result.set(callF(f));
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "result.set(callF(f));"; }});
    return result.get();
  }
}
static void printException(Throwable e) {
  printStackTrace(e);
}
static boolean isSubtypeOf(Class a, Class b) {
  return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
static String str(Object o) {
  return o == null ? "null" : o.toString();
}

static String str(char[] c) {
  return new String(c);
}
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>() { 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 ClassLoader getClassLoader(Class c) {
  return c.getClassLoader();
}
static String className(Object o) {
  return getClassName(o);
}
static Pair<String, Integer> jmenu_autoMnemonic(String s) {
  int i = indexOf(s, '&');
  if (i >= 0 && i < l(s) && isLetterOrDigit(s.charAt(i+1)))
    return pair(substring(s, 0, i) + substring(s, i+1), (int) s.charAt(i+1));
  return pair(s, 0);
}
static ActionListener actionListener(final Object runnable) {
  return actionListener(runnable, null);
}

static ActionListener actionListener(final Object runnable, final Object instanceToHold) {
  if (runnable instanceof ActionListener) return (ActionListener) runnable;
  return new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try {
     AutoCloseable __463 = holdInstance(instanceToHold); try {
    callF(runnable);
  } finally { _close(__463); }} catch (Throwable __e) { messageBox(__e); }}};
}
// 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 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) {
      f.setAccessible(true);
      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(Object o, String field) {
  try {
    Field f = get_findField(o.getClass(), field);
    f.setAccessible(true);
    return f.get(o);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Object get(Class c, String field) {
  try {
    Field f = get_findStaticField(c, field);
    f.setAccessible(true);
    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 <A> List<A> synchroList() {
  return Collections.synchronizedList(new ArrayList<A>());
}

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

// r may return false to cancel timer
static TimerTask smartTimerTask(Object r, java.util.Timer timer, long delay) {
  return new SmartTimerTask(r, timer, delay);
}

static  class SmartTimerTask extends TimerTask {
  Object r;
  java.util.Timer timer;
  long delay;
  SmartTimerTask() {}
  SmartTimerTask(Object r, java.util.Timer timer, long delay) {
  this.delay = delay;
  this.timer = timer;
  this.r = r;}
  public String toString() { return "SmartTimerTask(" + r + ", " + timer + ", " + delay + ")"; }
  long lastRun;
  
  public void run() {
    if (!licensed())
      timer.cancel();
    else {
       AutoCloseable __1225 = tempActivity(r); try {
      lastRun = fixTimestamp(lastRun);
      long now = now();
      if (now >= lastRun + delay*0.9) {
        lastRun = now;
        if (eq(false, pcallF(r)))
          timer.cancel();
      }
    } finally { _close(__1225); }}
  }
}
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 List map(F1 f, Iterable l) {
    List x = emptyList(l);
    if (l != null) for (Object o : l)
      x.add(callF(f, 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 void clear(Collection c) {
  if (c != null) c.clear();
}
static boolean isTrue(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  if (o == null) return false;
  if (o instanceof ThreadLocal)
    return isTrue(((ThreadLocal) o).get());
  throw fail(getClassName(o));
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static volatile StringBuffer 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 int print_maxLineLength = 0; // 0 = unset

static boolean print_silent; // 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 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();
  if (print_silent) return o;
  String s = String.valueOf(o) + "\n";
  print_noNewLine(s);
  return o;
}

static void print_noNewLine(String s) {
  
  Object f = print_byThread == null ? null : print_byThread.get();
  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) {
  s = fixNewLines(s);
  // TODO if (print_maxLineLength != 0)
  StringBuffer loc = local_log;
  StringBuffer 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 Map synchroHashMap() {
  return Collections.synchronizedMap(new HashMap());
}

static Object pcallFunction(Object f, Object... args) {
  try { return callFunction(f, args); } catch (Throwable __e) { _handleException(__e); }
  return 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) {
  ArrayList<Integer> l = new ArrayList();
  for (int 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 AutoCloseable tempActivity(Object r) {
  return null;
}
public static String join(String glue, Iterable<String> strings) {
  if (strings == null) return "";
  StringBuilder buf = new StringBuilder();
  Iterator<String> 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 String join(Iterable<String> strings) {
  return join("", strings);
}

static String join(Iterable<String> 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);
}

// 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 Throwable printStackTrace(Throwable 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(S indent, Throwable e) {
  if (endsWithLetter(indent)) indent += " ";
  printIndent(indent, getStackTrace(e));
}*/
static String getType(Object o) {
  return getClassName(o);
}
static void _close(AutoCloseable c) {
  close(c);
}
static long fixTimestamp(long timestamp) {
  return timestamp > now() ? 0 : timestamp;
}
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 volatile boolean ping_pauseAll;
static int ping_sleep = 100; // poll pauseAll flag every 100

static volatile boolean ping_anyActions;
static Map<Thread, Object> ping_actions = newWeakHashMap();


// always returns true
static boolean ping() {
  if (ping_pauseAll  || ping_anyActions ) ping_impl();
  return true;
}

// returns true when it slept
static boolean ping_impl() { try {
  if (ping_pauseAll && !isAWTThread()) {
    do
      Thread.sleep(ping_sleep);
    while (ping_pauseAll);
    return true;
  }
  
  
  if (ping_anyActions) {
    Object action;
    synchronized(ping_actions) {
      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 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 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 volatile boolean licensed_yes = true;

static boolean licensed() {
  ping();
  return licensed_yes;
}

static void licensed_off() {
  licensed_yes = false;
}
static boolean endsWithLetterOrDigit(String s) {
  return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1));
}
static void messageBox(final String msg) {
  if (headless()) print(msg);
  else { swing(new Runnable() { public void run() { try { 
    JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES..."; }}); }
}

static void messageBox(Throwable e) {
  //showConsole();
  printStackTrace(e);
  messageBox(hideCredentials(innerException(e)));
}
static ThreadLocal < List < Object > > holdInstance_l = new ThreadLocal();

static AutoCloseable holdInstance(Object o) {
  if (o == null) return null;
  listThreadLocalAdd(holdInstance_l, o);
  return new AutoCloseable() {
    public void close() {
      listThreadLocalPopLast(holdInstance_l);
    }
  };
}
static Class mc() {
  return main.class;
}
static void print_append(StringBuffer buf, String s, int max) {
  synchronized(buf) {
    buf.append(s);
    max /= 2;
    if (buf.length() > max) 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);
    }
  }
}
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 <A> int indexOf(List<A> l, A a, int startIndex) {
  if (l == null) return -1;
  for (int i = startIndex; i < l(l); 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) {
  if (x == null) return -1;
  for (int i = 0; i < l(x); i++)
    if (eq(x[i], a))
      return i;
  return -1;
}
static boolean isFalse(Object o) {
  return eq(false, o);
}
static boolean eq(Object a, Object b) {
  return a == null ? b == null : a == b || a.equals(b);
}


static boolean isLetterOrDigit(char c) {
  return Character.isLetterOrDigit(c);
}
static String substring(String s, int x) {
  return substring(s, x, l(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);
}


static List emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}

static List emptyList(int capacity) {
  return new ArrayList(capacity);
}

// Try to match capacity
static List emptyList(Iterable l) {
  return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
}
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}

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 volatile Throwable _handleException_lastException;
static List _handleException_onException = synchroList(ll("printStackTrace2"));

static void _handleException(Throwable e) {
  _handleException_lastException = e;
  for (Object f : cloneList(_handleException_onException)) try {
    callF(f, e);
  } catch (Throwable e2) {
    printStackTrace2(e2); // pcall could lead to endless loops
  }
}

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

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



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




static Thread currentThread() {
  return Thread.currentThread();
}
static <A> ArrayList<A> cloneList(Collection<A> l) {
  if (l == null) return new ArrayList();
  synchronized(collectionMutex(l)) {
    return new ArrayList<A>(l);
  }
}
static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); }

static String hideCredentials(String url) {
  return url.replaceAll("([&?])(_pass|key)=[^&\\s\"]*", "$1$2=<hidden>");
}

static String hideCredentials(Object o) {
  return hideCredentials(str(o));
}
static void close(AutoCloseable c) { try {
  if (c != null) c.close();
} catch (Exception __e) { throw rethrow(__e); } }
static <A> List<A> ll(A... a) {
  ArrayList l = new ArrayList(a.length);
  for (A x : a) l.add(x);
  return l;
}
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 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 <A> A listThreadLocalPopLast(ThreadLocal<List<A>> tl) {
  List<A> l = tl.get();
  if (l == null) return null;
  A a = popLast(l);
  if (empty(l)) tl.set(null);
  return a;
}
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static <A> void listThreadLocalAdd(ThreadLocal<List<A>> tl, A a) {
  List<A> l = tl.get();
  if (l == null) tl.set(l = new ArrayList());
  l.add(a);
}
static Throwable innerException(Throwable e) {
  return getInnerException(e);
}
static boolean nempty(Collection c) {
  return !isEmpty(c);
}

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

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

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

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

static boolean nempty(Object o) { return !empty(o); }
static boolean headless() {
  return isHeadless();
}
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 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;
}



// 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 getStackTrace2(Throwable e) {
  return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ",
    hideCredentials(str(getInnerException(e)))) + "\n");
}
static Throwable getInnerException(Throwable e) {
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}
static Object collectionMutex(Object 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 boolean isEmpty(Collection c) {
  return c == null || c.isEmpty();
}

static boolean isEmpty(CharSequence s) {
  return s == null || s.length() == 0;
}

static boolean isEmpty(Object[] a) { return a == null || a.length == 0; }
static boolean isEmpty(byte[] a) { return a == null || a.length == 0; }

static boolean isEmpty(Map map) {
  return map == null || map.isEmpty();
}
static <A> A popLast(List<A> l) {
  return liftLast(l);
}


static String replacePrefix(String prefix, String replacement, String s) {
  if (!startsWith(s, prefix)) return s;
  return replacement + substring(s, l(prefix));
}
static <A> A liftLast(List<A> l) {
  if (l.isEmpty()) return null;
  int i = l(l)-1;
  A a = l.get(i);
  l.remove(i);
  return a;
}
static PersistableThrowable persistableThrowable(Throwable e) {
  return e == null ? null : new PersistableThrowable(e);
}
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 boolean eqOneOf(Object o, Object... l) {
  for (Object x : l) if (eq(o, x)) return true; return false;
}


static abstract class VF1<A> {
  abstract void get(A a);
}abstract static class DynBigNumber extends DynModule {
  String description;
  Object value;
  int fontSize = 40;
  
  transient SimpleLiveValue < String > lvText = new SimpleLiveValue(String.class);
  transient SimpleLiveValue < String > lvDesc = new SimpleLiveValue(String.class);
  
  // PUBLIC API
  
  // any Number, or anything persistable with toString
  void setValue(Object value) {
    setField("value", value);
    makeTexts();
  }
  
  void setDescription(String desc) {
    setField("description", desc);
    makeTexts();
  }
  
  // END PUBLIC API
  
  void makeTexts() {
    lvText.set(value == null ? "-" : str(value));
    lvDesc.set(description);
  }
  
  void start() { persistOnChangedField = false; makeTexts(); }

  JComponent visualize() {
    return jLiveValueSection(lvDesc, centerLabel(makeBold(setFontSize(fontSize, jLiveValueLabel(lvText)))));
  }
}static class Var<A> implements IVar<A> {
  A v; // you can access this directly if you use one thread
  
  Var() {}
  Var(A v) {
  this.v = v;}
  
  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 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 abstract class F0<A> {
  abstract A get();
}static abstract class F1<A, B> {
  abstract B get(A a);
}static class FixedRateTimer extends java.util.Timer {
  FixedRateTimer() { this(false); }
  FixedRateTimer(boolean daemon) {
    super(daemon);
    _registerTimer(this);
  }
  
  List<Entry> entries = synchroList();
  
  static  class Entry {
  TimerTask task;
  long firstTime;
  long period;
  Entry() {}
  Entry(TimerTask task, long firstTime, long period) {
  this.period = period;
  this.firstTime = firstTime;
  this.task = task;}
  public String toString() { return "Entry(" + task + ", " + firstTime + ", " + period + ")"; }}
  
  // Note: not all methods overridden; only use these once
  
  public void scheduleAtFixedRate(TimerTask task, long delay, long period) {
    entries.add(new Entry(task, now()+delay, period));
    super.scheduleAtFixedRate(task, delay, period);
  }
  
  public void cancel() {
    entries.clear();
    super.cancel();
  }
  
  public int purge() {
    entries.clear();
    return super.purge();
  }
}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 SimpleLiveValue<A> extends LiveValue<A> {
  Class<A> type;
  volatile A value;
  
  transient List onChange = synchroList();
  
  SimpleLiveValue(Class<A> type) {
  this.type = type;}
  SimpleLiveValue(Class<A> type, A value) {
  this.value = value;
  this.type = type;}
  
  public Class<A> getType() { return type; }
  public A get() { return value; }
  public void onChange(Runnable l) { onChange.add(l); }
  public void onChangeAndNow(Runnable l) { onChange(l); callF(l); }
  public void removeOnChangeListener(Runnable l) { onChange.remove(l); }
  
  void fireChanged() {
    pcallFAll(onChange);
  }
  
  void set(A a) { if (neq(value, a)) { value = a; fireChanged(); } }
}static abstract class DynModule {
  String name, toolTip;
  PersistableThrowable error;
  Map<String, Collection<String>> mechLists;
  
  transient Object _host;
  transient Set timers;
  transient Lock lock; // set by stem
  transient boolean persistOnChangedField = true;
  transient int changeCount;
  transient List onChange;
  
  DynModule() {
    dm_initErrorHandling();
    setMainDesktopPane((JDesktopPane) getCreatorOpt("desktop"));
  }
  
  boolean isVisible() { return isTrue(getOpt(_host, "visible")); }
  
  String moduleName() { return name; }
  
  void setModuleName(String name) {
    this.name = name;
    setInternalFrameTitle(vis(), name);
  }
  
  void setModuleToolTip(String toolTip) {
    this.toolTip = toolTip;
  }
  
  JComponent vis() {
    return (JComponent) getOpt(_host, "vis");
  }
  
  void ownTimer(Object timer) {
     AutoCloseable __96 = enter(); try {
    if (timers == null) timers = newWeakHashSet();
    addIfNotThere(timers, timer);
  } finally { _close(__96); }}
  
  void singleTimer(java.util.Timer timer) {
    stopAllTimers();
    ownTimer(timer);
  }
  
  void stopAllTimers() {
    cancelTimers(getAndClearList(timers));
  }
  
  void cleanMeUp_dynModule() {
    stopAllTimers();
  }
  
  void persistMe() {
    { Lock __92 = lock; lock(__92); try { ++changeCount; } finally { unlock(__92); } }
    pcallFAll(onChange); callOpt(_host, "change");
  }
  
  void _change() { persistMe(); }
  
  void updateMe() {
    Lock __93 = lock; lock(__93); try {
    update();
  } finally { unlock(__93); } }
  
  boolean setField(String name, Object value) {
    Lock __94 = lock; lock(__94); try {
    if (eq(get(this, name), value)) return false;
    set(this, name, value);
    if (persistOnChangedField) _change();
    return true;
  } finally { unlock(__94); } }
  
  <A> A setFieldAndReturn(String name, A value) {
    setField(name, value);
    return value;
  }
  
  boolean setFields(Object... params) {
    boolean change = false;
    for (int i = 0; i < l(params); i += 2)
      if (setField((String) params[i], params[i+1])) change = true;
    return change;
  }
  
  void start() {}
  
  void revisualize() {
    call(creator(), "revisualizeModule", _host);
  }
  
  AutoCloseable enter() {
    return tempSetThreadLocal(dm_currentModule_value, this);
  }
  
  boolean setError(Throwable e) {
    setField("error" , persistableThrowable(e));
    return true;
  }
  
  void clearError() {
    setField("error" , null);
  }
  
  void onChange(Runnable r) {
    Lock __95 = lock; lock(__95); try {
    if (onChange == null) onChange = synchroList();
    addIfNotThere(onChange, r);
  } finally { unlock(__95); } }
  
  void update() {}
  
  void unvisualize() {
    zeroAllFieldsOfType(this, Component.class);
  }
}

static void _registerTimer(java.util.Timer timer) {
  _registerTimer_original(timer);
  dm_currentModule().ownTimer(timer);
}static interface IVar<A> {
  void set(A a);
  A get();
  boolean has();
  void clear();
}

static abstract class LiveValue<A> {
  abstract Class<A> getType();
  abstract A get();
  abstract void onChange(Runnable l);
  abstract void removeOnChangeListener(Runnable l);
  
  void onChangeAndNow(Runnable l) {
    onChange(l);
    callF(l);
  }
}

static <A> Set<A> newWeakHashSet() {
  return synchroWeakHashSet();
}
static <A extends JLabel> A centerLabel(A l) {
  if (l != null) l.setHorizontalAlignment(SwingConstants.CENTER);
  return l;
}
static void setMainDesktopPane(JDesktopPane desktop) {
  mainDesktopPane_value = desktop;
}
static JLabel jLiveValueLabel(final LiveValue lv) {
  final JLabel label = jlabel();
  return bindLiveValueListenerToComponent(label, lv,
    new Runnable() { public void run() { try {  setText(label, strOrNull(lv.get())) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "setText(label, strOrNull(lv.get()))"; }});
}
static <A> List<A> getAndClearList(Collection<A> l) {
  if (l == null) return emptyList();
  synchronized(collectionMutex(l)) {
    List<A> out = cloneList(l);
    l.clear();
    return out;
  }
}
static void lock(Lock lock) { try {
  ping();
  if (lock == null) return;
  try {
    lock.lockInterruptibly();
  } catch (InterruptedException e) {
    print("Locking interrupted! I probably deadlocked, oops.");
    rethrow(e);
  }
  ping();
} catch (Exception __e) { throw rethrow(__e); } }

static void lock(Lock lock, String msg) {
  print("Locking: " + msg);
  lock(lock);
}

static void lock(Lock lock, String msg, long timeout) {
  print("Locking: " + msg);
  lockOrFail(lock, timeout);
}

static ReentrantLock lock() {
  return fairLock();
}
static void zeroAllFieldsOfType(Object o, Class type) {
  for (String field : allFields(o))
    if (instanceOf(getOpt(o, field), type))
      set(o, field, null);
}
static <A extends JComponent> A setFontSize(final float size, final A a) {
  if (a == null) return a;
  { swing(new Runnable() { public void run() { try { 
    Component _a = a;
    if (a instanceof JComboBox)
      _a = ((JComboBox) a).getEditor().getEditorComponent();
    _a.setFont(_a.getFont().deriveFont((float) size));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "Component _a = a;\r\n    if (a instanceof JComboBox)\r\n      _a = ((JComboBox) a..."; }}); }
  return a;
}

static <A extends JComponent> A setFontSize(A a, float size) {
  return setFontSize(size, a);
}
static void cancelTimers(Collection timers) {
  for (Object timer : timers) cancelTimer(timer);
}
static void set(Object o, String field, Object value) {
  if (o instanceof Class) set((Class) o, field, value);
  else try {
    Field f = set_findField(o.getClass(), field);
    f.setAccessible(true);
    smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static void set(Class c, String field, Object value) {
  try {
    Field f = set_findStaticField(c, field);
    f.setAccessible(true);
    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 JPanel jLiveValueSection(final LiveValue<String> lv, final Component c) {
  return swing(new F0<JPanel>() { JPanel get() { try { 
    final JPanel panel = new SingleComponentPanel(c);
    return bindLiveValueListenerToComponent(panel, lv, new Runnable() { public void run() { try {  swingLater(new Runnable() { public void run() { try { 
      panel.setBorder(BorderFactory.createTitledBorder(
        BorderFactory.createBevelBorder(BevelBorder.LOWERED), lv.get()));
      panel.revalidate();
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "panel.setBorder(BorderFactory.createTitledBorder(\r\n        BorderFactory.crea..."; }});
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "swingLater(r {\r\n      panel.setBorder(BorderFactory.createTitledBorder(\r\n    ..."; }});
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "final JPanel panel = new SingleComponentPanel(c);\r\n    ret bindLiveValueListe..."; }});
}
static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
  final A prev = setThreadLocal(tl, a);
  return new AutoCloseable() { public void close() {
    tl.set(prev);
  }};
}
static <A extends Component> A setInternalFrameTitle(A c, final String title) {
  return internalFrameTitle(c, title);
}

static <A extends Component> A setInternalFrameTitle(String title, A c) {
  return internalFrameTitle(c, title);
}
static List<String> myInnerClasses_list=litlist(
"VF1", "NumClasses", "DynBigNumber", "Var", "F0", "F1", "LiveValue", "Flag", "BetterLabel", "componentPopupMenu_Adapter", "SimpleLiveValue", "getOpt_Map", "PersistableThrowable", "SingleComponentPanel", "FixedRateTimer", "DynModule", "IVar", "SmartTimerTask", "Pair");

static List<String> myInnerClasses() {
  return myInnerClasses_list;
}

static Set<java.util.Timer> _registerTimer_list = newWeakHashSet();

static void _registerTimer_original(java.util.Timer timer) {
  _registerTimer_list.add(timer);
}

static void cleanMeUp__registerTimer() {
  cancelTimers(getAndClearList(_registerTimer_list));
}
static void unlock(Lock lock, String msg) {
  if (lock == null) return;
  print("Unlocking: " + msg);
  lock.unlock();
}

static void unlock(Lock lock) {
  if (lock == null) return;
  lock.unlock();
}
static void onChange(JSpinner spinner, Object r) {
  spinner.addChangeListener(changeListener(r));
}

static <A extends AbstractButton> A onChange(A b, Object r) {
  b.addItemListener(itemListener(r));
  return b;
}

static void onChange(JTextComponent tc, Object r) {
  onUpdate(tc, r);
}

static void onChange(final JSlider slider, final Object r) {
  { swing(new Runnable() { public void run() { try { 
    slider.addChangeListener(changeListener(r));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "slider.addChangeListener(changeListener(r));"; }}); }
}

// for editable combo boxes
static void onChange(JComboBox cb, Object r) {
  onChange(textFieldFromComboBox(cb), r);
}
static <A> A getCreatorOpt(String field) {
  return (A) getOpt(creator(), field);
}
static <A> boolean addIfNotThere(Collection<A> c, A a) {
  return setAdd(c, a);
}
static void pcallFAll(Collection l, Object... args) {
  if (l != null) for (Object f : cloneList(l)) pcallF(f, args);
}


static Flag dm_initErrorHandling_flag = new Flag();

static void dm_initErrorHandling() {
  raiseFlagAndDo(dm_initErrorHandling_flag, new Runnable() { public void run() { try { 
    _handleException_addHandler("dm_initErrorHandling_handler");
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "_handleException_addHandler(f dm_initErrorHandling_handler);"; }});
}

static void dm_initErrorHandling_handler(Throwable e) {
  DynModule m = dm_currentModule();
  if (m == null)
    print("Weird: Error outside of module");
  else
    m.setField("error" , persistableThrowable(e));
}



static InheritableThreadLocal<DynModule> dm_currentModule_value = new InheritableThreadLocal();

static DynModule dm_currentModule() {
  return dm_currentModule_value.get();
}
static <A extends JComponent> A makeBold(final A c) {
  if (c != null) { swing(new Runnable() { public void run() { try {  c.setFont(c.getFont().deriveFont(Font.BOLD)); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.setFont(c.getFont().deriveFont(Font.BOLD));"; }}); }
  return c;
}
static int hashCodeFor(Object a) {
  return a == null ? 0 : a.hashCode();
}


static JDesktopPane mainDesktopPane_value;

static JDesktopPane mainDesktopPane() {
  return mainDesktopPane_value;
}
static <A> Set<A> synchroWeakHashSet() {
  return Collections.newSetFromMap((Map) newWeakHashMap());
}
static void swingLater(long delay, final Object r) {
  javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(wrapAsActivity(r)));
  timer.setRepeats(false);
  timer.start();
}

static void swingLater(Object r) {
  SwingUtilities.invokeLater(toRunnable(r));
}

static String strOrNull(Object o) {
  return o == null ? null : str(o);
}
static void raiseFlagAndDo(Flag flag, Runnable r) {
  if (flag.raise()) callF(r);
}
static <A> ArrayList<A> litlist(A... a) {
  ArrayList l = new ArrayList(a.length);
  for (A x : a) l.add(x);
  return l;
}
static ItemListener itemListener(final Object r) {
  return new ItemListener() {
    public void itemStateChanged(ItemEvent e) {
      pcallF(r);
    }
  };
}
static void cancelTimer(javax.swing.Timer timer) {
  if (timer != null) timer.stop();
}

static void cancelTimer(java.util.Timer timer) {
  if (timer != null) timer.cancel();
}

static void cancelTimer(Object o) {
  if (o instanceof java.util.Timer) cancelTimer((java.util.Timer) o);
  else if (o instanceof javax.swing.Timer) cancelTimer((javax.swing.Timer) o);
  else if (o instanceof AutoCloseable) try { ((AutoCloseable) o).close(); } catch (Throwable __e) { _handleException(__e); }
}
// action = runnable or method name
static void onUpdate(JComponent c, final Object r) {
  if (c instanceof JTextComponent)
    ((JTextComponent) c).getDocument().addDocumentListener(new DocumentListener() {
      public void insertUpdate(DocumentEvent e) {
        call(r);
      }
      public void removeUpdate(DocumentEvent e) {
        call(r);
      }
      public void changedUpdate(DocumentEvent e) {
        call(r);
      }
    });
  else if (c instanceof ItemSelectable) // JCheckBox and others
    ((ItemSelectable) c).addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        call(r);
      }
    });
  else
    print("Warning: onUpdate doesn't know " + getClassName(c));
}

static void onUpdate(List<? extends JComponent> l, Object r) {
  for (JComponent c : l)
    onUpdate(c, r);
}
static void lockOrFail(Lock lock, long timeout) { try {
  ping();
  if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
    String s = "Couldn't acquire lock after " + timeout + " ms.";
    if (lock instanceof ReentrantLock) {
      ReentrantLock l = (ReentrantLock) ( lock);
      s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
    }
    throw fail(s);
  }
  ping();
} catch (Exception __e) { throw rethrow(__e); } }
static boolean instanceOf(Object o, String className) {
  if (o == null) return false;
  String c = o.getClass().getName();
  return eq(c, className) || eq(c, "main$" + className);
}

static boolean instanceOf(Object o, Class c) {
  if (c == null) return false;
  return c.isInstance(o);
}
static ChangeListener changeListener(final Object r) {
  return new ChangeListener() {
    public void stateChanged(ChangeEvent e) {
      pcallF(r);
    }
  };
}
static Set<String> allFields(Object o) {
  TreeSet<String> fields = new TreeSet();
  Class _c = _getClass(o);
  do {
    for (Field f : _c.getDeclaredFields())
      fields.add(f.getName());
    _c = _c.getSuperclass();
  } while (_c != null);
  return fields;
}
static JLabel jlabel(final String text) {
  return swingConstruct(BetterLabel.class, text);
}

static JLabel jlabel() {
  return jlabel(" ");
}
static <A> boolean setAdd(Collection<A> c, A a) {
  if (c == null || c.contains(a)) return false;
  c.add(a);
  return true;
}
static <A extends Component> A internalFrameTitle(A c, final String title) {
  final JInternalFrame f = getInternalFrame(c);
  if (f != null) { swing(new Runnable() { public void run() { try {  f.setTitle(unnull(title)); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "f.setTitle(unnull(title));"; }}); }
  return c;
}

static <A extends Component> A internalFrameTitle(String title, A c) {
  return internalFrameTitle(c, title);
}

static String internalFrameTitle(Component c) {
  final JInternalFrame f = getInternalFrame(c);
  return f == null ? null : swing(new F0<String>() { String get() { try { return  f.getTitle() ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "f.getTitle()"; }});
}

static ReentrantLock fairLock() {
  return new ReentrantLock(true);
}
static <A extends JComponent> A bindLiveValueListenerToComponent(A component, final LiveValue lv, final Runnable listener) {
  if (lv != null)
    bindToComponent(component,
      new Runnable() { public void run() { try {  lv.onChangeAndNow(listener) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "lv.onChangeAndNow(listener)"; }},
      new Runnable() { public void run() { try {  lv.removeOnChangeListener(listener) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "lv.removeOnChangeListener(listener)"; }});
  return component;
}
static void _handleException_addHandler(Object handler) {
  addIfNotThere(_handleException_onException, handler);
}
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 JTextField textFieldFromComboBox(JComboBox cb) {
  return (JTextField) cb.getEditor().getEditorComponent();
}
static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
  A old = tl.get();
  tl.set(value);
  return old;
}
static boolean setText_opt = true; // optimize by calling getText first

static <A extends JTextComponent> A setText(A c, Object text) {
  setText((Object) c, text);
  return c;
}

static <A extends JComboBox> A setText(final A c, Object text) {
  // only for editable combo boxes at this point
  final String s = strUnnull(text);
  { swing(new Runnable() { public void run() { try { 
    c.getEditor().setItem(s);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.getEditor().setItem(s);"; }}); }
  return c;
}

static void setText(JLabel c, Object text) {
  setText((Object) c, text);
}

static JButton setText(JButton c, Object text) {
  setText((Object) c, jlabel_textAsHTML_center_ifNeeded(strUnnull(text)));
  return c;
}

static <A> A setText(final A c, Object text) {
  if (c == null) return null;
  final String s = strUnnull(text);
  swingAndWait(new Runnable() { public void run() { try { 
    if (!setText_opt || neq(callOpt(c, "getText"), s))
      call(c, "setText", s);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!setText_opt || neq(callOpt(c, \"getText\"), s))\r\n      call(c, \"setText\", s);"; }});
  return c;
}


static Runnable wrapAsActivity(Object r) {
  return toRunnable(r);
}
static JInternalFrame getInternalFrame(final Object _o) {
  return swing(new F0<JInternalFrame>() { JInternalFrame get() { try { 
    Object o = _o;
    if (o instanceof ButtonGroup) o = first(buttonsInGroup((ButtonGroup) o));
    if (!(o instanceof Component)) return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof JInternalFrame) return (JInternalFrame) c;
      c = c.getParent();
    }
    return null;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button..."; }});
}
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 String unnull(String s) {
  return s == null ? "" : s;
}

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[]) new Object[0] : a;
}

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



//ifclass Symbol

static Runnable toRunnable(final Object o) {
  if (o instanceof Runnable) return (Runnable) o;
  return new Runnable() { public void run() { try {  callF(o) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(o)"; }};
}
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 (Exception __e) { throw rethrow(__e); } }
static String strUnnull(Object o) {
  return o == null ? "" : str(o);
}
static <A extends JComponent> A bindToComponent(A component, final Runnable onShow, final Runnable onUnShow) {
  component.addAncestorListener(new AncestorListener() {
    public void ancestorAdded(AncestorEvent event) {
      pcallF(onShow);
    }

    public void ancestorRemoved(AncestorEvent event) {
      pcallF(onUnShow);
    }

    public void ancestorMoved(AncestorEvent event) {
    }
  });
  return component;
}

static <A extends JComponent> A bindToComponent(A component, Runnable onShow) {
  return bindToComponent(component, onShow, null);
}
static String jlabel_textAsHTML_center_ifNeeded(String text) {
  if (swic(text, "<html>") && ewic(text, "</html>")) return text;
  if (!containsNewLines(text)) return text;
  return jlabel_textAsHTML_center(text);
}
static <A> A swingConstruct(final Class<A> c, final Object... args) {
  return swing(new F0<A>() { A get() { try { return  nuObject(c, args) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "nuObject(c, args)"; }});
}


static boolean swic(String a, String b) {
  return startsWithIgnoreCase(a, b);
}


static List<AbstractButton> buttonsInGroup(ButtonGroup g) {
  if (g == null) return ll();
  return asList(g.getElements());
}
static String classNameToVM(String name) {
  return name.replace(".", "$");
}
static String jlabel_textAsHTML_center(String text) {
  return "<html><div style=\"text-align: center;\">"
    + replace(htmlencode(text), "\n", "<br>")
    + "</div></html>";
}
static Map emptyMap() {
  return new HashMap();
}
static boolean ewic(String a, String b) {
  return endsWithIgnoreCase(a, b);
}


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

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(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 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 Object nuObject(String className, Object... args) { try {
  return nuObject(classForName(className), args);
} catch (Exception __e) { throw rethrow(__e); } }

// too ambiguous - maybe need to fix some callers
/*static O nuObject(O realm, S className, O... args) {
  ret nuObject(_getClass(realm, className), args);
}*/

static <A> A nuObject(Class<A> c, Object... args) { try {
  if (args.length == 0) return nuObjectWithoutArguments(c); // cached!
  
  Constructor m = nuObject_findConstructor(c, args);
  m.setAccessible(true);
  return (A) m.newInstance(args);
} catch (Exception __e) { throw rethrow(__e); } }

static Constructor nuObject_findConstructor(Class c, Object... args) {
  for (Constructor m : c.getDeclaredConstructors()) {
    if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
      continue;
    return m;
  }
  throw fail("Constructor " + c.getName() + getClasses(args) + " not found"
    + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : ""));
}

 static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    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 boolean containsNewLines(String s) {
  return containsNewLine(s);
}


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 {
  Constructor m;
  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())) {
      m.setAccessible(true);
      return m;
    }
  throw fail("No default constructor found in " + c.getName());
}

static boolean startsWithIgnoreCase(String a, String b) {
  return regionMatchesIC(a, 0, b, 0, b.length());
}
static String htmlencode(Object o) {
  return htmlencode(str(o));
}

static String htmlencode(String s) {
  if (s == null) return "";
  StringBuilder out = new StringBuilder(Math.max(16, s.length()));
  for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      /*if (c >= 0x100)
        out.append("&#x").append(charToHex(c)).append(';');
      else*/ if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&')
          out.append("&#").append((int) c).append(';');
      else
          out.append(c);
  }
  return out.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 List<Class> getClasses(Object[] array) {
  List<Class> l = new ArrayList();
  for (Object o : array) l.add(_getClass(o));
  return l;
}
static <A> List<A> replace(List<A> l, A a, A b) {
  for (int i = 0; i < l(l); i++)
    if (eq(l.get(i), a))
      l.set(i, b);
  return l;
}

static String replace(String s, String a, String b) {
  return s == null ? null : a == null || b == null ? s : s.replace(a, b);
}
static boolean containsNewLine(String s) {
  return contains(s, '\n'); // screw \r, nobody needs it
}
static Map<String, Class> classForName_cache = synchroHashMap();

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


static class BetterLabel extends JLabel {
  boolean autoToolTip = true;
  
  BetterLabel() {
    // Listeners given out to componentPopupMenu must not directly
    // reference the outer object (-> weak map problem).
    final WeakReference < BetterLabel > me = new WeakReference(this);
    componentPopupMenu(this, BetterLabel_menuItems(me));
  }
  
  BetterLabel(String text) {
    this();
    setText(text);
  }
  
  public void setText(String text) {
    super.setText(text);
    if (autoToolTip)
      if (!swic(text, "<html>")) // HTML labels make super-huge, confusing tool tips
        setToolTipText(nullIfEmpty(text));
  }
}

// moved outside of class for GC reasons (see above)
static VF1<JPopupMenu> BetterLabel_menuItems(final WeakReference<BetterLabel> me) {
  return new VF1<JPopupMenu>() { void get(JPopupMenu menu) { try { 
    addMenuItem(menu, "Copy text to clipboard", new Runnable() { public void run() { try { 
      copyTextToClipboard(me.get().getText());
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "copyTextToClipboard(me.get().getText());"; }});
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, \"Copy text to clipboard\", r {\r\n      copyTextToClipboard(me..."; }};
}static class SingleComponentPanel extends JPanel {
  SingleComponentPanel() { super(new BorderLayout()); }

  SingleComponentPanel(Component component) {
    this();
    if (component != null) setComponent(component);
  }

  void setComponent(final Component component) {
    { swing(new Runnable() { public void run() { try { 
      removeAll();
      if (component != null)
        add(BorderLayout.CENTER, wrap(component));
      main.revalidate(SingleComponentPanel.this);
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "removeAll();\r\n      if (component != null)\r\n        add(BorderLayout.CENTER, ..."; }}); }
  }
  
  void noComponent() { setComponent(null); }
}/** this class is fully thread-safe */
static class Flag {
  private boolean up;

  /** returns true if flag was down before */
  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;
  }

  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); } }
}

static <A> void removeAll(Collection<A> a, Collection<A> b) {
  if (a != null && b != null) a.removeAll(b);
}


static String copyTextToClipboard(String text) {
  StringSelection selection = new StringSelection(text);
  Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
  return text;
}
// c = JComponent or something implementing swing()
static JComponent wrap(Object swingable) {
  if (swingable == null) return null;
  JComponent c = (JComponent) ( swingable instanceof JComponent ? swingable : callOpt(swingable, "swing"));
  if (c instanceof JTable || c instanceof JList
    || c instanceof JTextArea || c instanceof JEditorPane
    || c instanceof JTextPane || c instanceof JTree)
    return jscroll(c);
  return c == null ? jlabel(str(swingable)) : c;
}

static <A extends JComponent> A setToolTipText(final A c, final Object toolTip) {
  if (c == null) return null;
  { swing(new Runnable() { public void run() { try { 
    String s = nullIfEmpty(str(toolTip));
    if (neq(s, c.getToolTipText()))
      c.setToolTipText(s);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "String s = nullIfEmpty(str(toolTip));\r\n    if (neq(s, c.getToolTipText()))\r\n ..."; }}); }
  return c;
}

static <A extends JComponent> A setToolTipText(Object toolTip, A c) {
  return setToolTipText(c, toolTip);
}
static void add(BitSet bs, int i) {
  bs.set(i);
}

static <A> boolean add(Collection<A> c, A a) {
  return c != null && c.add(a);
}
static void revalidate(final Component c) {
  if (c == null || !c.isShowing()) return;
  { swing(new Runnable() { public void run() { try { 
    // magic combo to actually relayout and repaint
    c.revalidate();
    c.repaint();
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "// magic combo to actually relayout and repaint\r\n    c.revalidate();\r\n    c.r..."; }}); }
}
static String nullIfEmpty(String s) {
  return isEmpty(s) ? null : s;
}

static Map nullIfEmpty(Map map) {
  return isEmpty(map) ? null : map;
}


static JScrollPane jscroll(final Component c) {
  return swing(new F0<JScrollPane>() { JScrollPane get() { try { return  new JScrollPane(c) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "new JScrollPane(c)"; }});
}

}