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 org.pushingpixels.substance.api.skin.*;
import java.awt.datatransfer.StringSelection;
import org.pushingpixels.substance.api.*;
class main {
static Map<String, String> aiPrograms = litorderedmap(
  "Circle Editor", "#1009961",
  "Encyclopedia", "#1010561",
  "AI Concepts", "#1006463",
  "Truth Table", "#1007236",
  "English To Concepts Translator", "#1007419",
  "Concepts To English Translator", "#1007163",
  "AI Clipboard", "#1007441",
  "AI Suite", "#1007449");

public static void main(final String[] args) throws Exception { { swing(new Runnable() { public void run() { try { 
  framesBot();
  magellan();
  Map<String, String> progs = mapWithoutKey(aiPrograms, "AI Suite");
  showPackedCenterFrame(withMargin(vgrid(map("btn", progs))));

hideConsole(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "framesBot();\n  magellan();\n  Map<String, String> progs = mapWithoutKey(aiProgram..."; }}); }}

static JComponent btn(String text, final String programID) {
  return withTopAndBottomMargin(
    setBoldFontSize(15, 
    jbutton(text, new Runnable() { public void run() { try {  startOrActivate(programID) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "startOrActivate(programID)"; }})));
}
static RuntimeException rethrow(Throwable e) {
  throw asRuntimeException(e);
}
static LinkedHashMap litorderedmap(Object... x) {
  LinkedHashMap map = new LinkedHashMap();
  litmap_impl(map, x);
  return map;
}
static int withMargin_defaultWidth = 6;

static JPanel withMargin(Component c) {
  return withMargin(withMargin_defaultWidth, c);
}

static JPanel withMargin(final int w, final Component c) {
  return swing(new F0<JPanel>() { JPanel get() { try { 
    JPanel p = new JPanel(new BorderLayout());
    p.setBorder(BorderFactory.createEmptyBorder(w, w, w, w));
    p.add(c);
    return p;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.createEm..."; }});
}
// returns informative message
static String startOrActivate(String progID) {
  String msg = activateFramesOf(progID);
  if (nempty(msg)) return msg;
  nohupJavax(progID);
  return fsI(progID) + " nohup-started.";
}
static Map<Thread, Boolean> _registerThread_threads = Collections.synchronizedMap(new WeakHashMap());

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

static void _registerThread() { _registerThread(Thread.currentThread()); }
static volatile boolean framesBot_has;

static Android3 framesBot() {
  if (framesBot_has) return null;
  framesBot_has = true;
  Android3 android = new Android3();
  android.greeting = programID() + " Frames.";
  android.console = false;
  android.responder = new Responder() {
    String answer(String s, List<String> history) {
      if (match("activate frames", s)) {
        swingLater(new Runnable() { public void run() { try {  // prevent blocking when called from same program's AWT thread
          activateMyFrames();
        
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "// prevent blocking when called from same program's AWT thread\r\n          activa..."; }});
        return "OK, activating frames.";
      }
      return null;
    }
  };
  return makeBot(android);
}
static JButton jbutton(String text, Object action) {
  return newButton(text, action);
}

// button without action
static JButton jbutton(String text) {
  return newButton(text, null);
}

static JButton jbutton(BufferedImage img, Object action) {
  return setButtonImage(img, jbutton("", action));
}

static JButton jbutton(Action action) {
  return new JButton(action);
}
static Object swing(Object f) {
  return swingAndWait(f);
}

static <A> A swing(F0<A> f) {
  return (A) swingAndWait(f);
}
static JPanel vgrid(List parts) {
  return vgrid(asArray(parts));
}

static JPanel vgrid(Object... parts) {
  JPanel panel = new JPanel();
  panel.setLayout(new GridLayout(parts.length, 1));
  smartAdd(panel, parts);
  return panel;
}
static RuntimeException asRuntimeException(Throwable t) {
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static int withTopAndBottomMargin_defaultWidth = 6;

static JPanel withTopAndBottomMargin(Component c) {
  JPanel p = new JPanel(new BorderLayout());
  int w = withTopAndBottomMargin_defaultWidth;
  p.setBorder(BorderFactory.createEmptyBorder(w, 0, w, 0));
  p.add(c);
  return p;
}
static <A extends JComponent> A setBoldFontSize(int size, A a) {
  return makeBold(setFontSize(size, a));
}
static JFrame showPackedCenterFrame(Component c) {
  return centerFrame(showPackedFrame(c));
}
static <A, B> Map<A, B> mapWithoutKey(Map<A, B> map, A key) {
  Map m = cloneMap(map);
  m.remove(key);
  return m;
}
static void hideConsole() {
  final JFrame frame = consoleFrame();
  if (frame != null) {
    autoVMExit();
    swingLater(new Runnable() { public void run() { try { 
      frame.setVisible(false);
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "frame.setVisible(false);"; }});
  }
}
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(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);
}

static List map(Map map, Object f) {
  List x = new ArrayList();
  for (Object _e : map.entrySet()) {
    Map.Entry e = (Map.Entry) _e;
    x.add(callF(f, e.getKey(), e.getValue()));
  }
  return x;
}
static void magellan() {
  substanceLAF("Magellan");
}


static JFrame consoleFrame() {
  return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
}
static Object[] asArray(List l) {
  return toObjectArray(l);
}

static <A> A[] asArray(Class<A> type, List l) {
  return (A[]) l.toArray((Object[]) Array.newInstance(type, l.size()));
}
static WeakHashMap<Class, ArrayList<Method>> callF_cache = new WeakHashMap();

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

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 methods.get(0).invoke(f, args);
  for (int i = 0; i < n; i++) {
    Method m = methods.get(i);
    if (call_checkArgs(m, args, false))
      return m.invoke(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;
}
// returns null if program not running, answer otherwise
static String activateFramesOf(String progID) {
  return sendToLocalBotOpt(fsI(progID) + " Frames.", "activate frames");
}
static String substanceLAF_defaultSkin = "Creme";

static void substanceLAF() {
  substanceLAF(null);
}

static void substanceLAF(String skinName) {
  try {
    enableSubstance_impl(or2(skinName, substanceLAF_defaultSkin));
  } catch (Throwable __e) { printStackTrace2(__e); }
}
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 <A extends Component> A centerFrame(A c) {
  Window w = getWindow(c);
  if (w != null)
    w.setLocationRelativeTo(null); // magic trick
  return c;
}

static <A extends Component> A centerFrame(int w, int h, A c) {
  return centerFrame(setFrameSize(w, h, c));
}

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();
}
// 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);
    }
      
    
      if (o instanceof DynamicObject)
        return ((DynamicObject) o).fieldValues.get(field);
    
  } 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() & 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 void swingLater(long delay, final Object r) {
  javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(r));
  timer.setRepeats(false);
  timer.start();
}

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

static void nohupJavax(final String javaxargs) {
  { Thread _t_0 = new Thread() {
public void run() { try { call(hotwireOnce("#1008562"), "nohupJavax", javaxargs); } catch (Throwable __e) { printStackTrace2(__e); } }
};
startThread(_t_0); }
}

static void nohupJavax(final String javaxargs, final String vmArgs) {
  { Thread _t_1 = new Thread() {
public void run() { try { call(hotwireOnce("#1008562"), "nohupJavax", javaxargs, vmArgs); } catch (Throwable __e) { printStackTrace2(__e); } }
};
startThread(_t_1); }
}
static int makeBot(String greeting) {
  return makeAndroid3(greeting).port;
}

static Android3 makeBot(Android3 a) {
  makeAndroid3(a);
  return a;
}

static Android3 makeBot(String greeting, Object responder) {
  Android3 a = new Android3(greeting);
  a.responder = makeResponder(responder);
  makeBot(a);
  return a;
}

static Android3 makeBot() {
  return makeAndroid3(getProgramTitle() + ".");
}
static String fsI(String id) {
  return formatSnippetID(id);
}

static String fsI(long id) {
  return formatSnippetID(id);
}
static String programID() {
  return getProgramID();
}
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 JFrame showPackedFrame(String title, Component contents) {
  return packFrame(showFrame(title, contents));
}

static JFrame showPackedFrame(Component contents) {
  return packFrame(showFrame(contents));
}
static <A, B> Map<A, B> cloneMap(Map<A, B> map) {
  if (map == null) return litmap();
  // assume mutex is equal to collection
  synchronized(map) {
    return map instanceof TreeMap ? new TreeMap(map)
      : map instanceof LinkedHashMap ? new LinkedHashMap(map)
      : new HashMap(map);
  }
}
static List<JFrame> activateMyFrames() {
  final List<JFrame> l = myFrames();
  { swing(new Runnable() { public void run() { try { 
    for (JFrame f : l)
      activateFrame(f);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "for (JFrame f : l)\r\n      activateFrame(f);"; }}); }
  return l;
}
static JButton setButtonImage(BufferedImage img, JButton btn) {
  btn.setIcon(imageIcon(img));
  return btn;
}
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(Map m) {
  return !isEmpty(m);
}

static boolean nempty(Iterator i) {
  return i != null && i.hasNext();
}
static boolean match(String pat, String s) {
  return match3(pat, s);
}

static boolean match(String pat, String s, Matches matches) {
  return match3(pat, s, matches);
}

static JPanel smartAdd(JPanel panel, List parts) {
  for (Object o : parts)
    addToContainer(panel, wrapForSmartAdd(o));
  return panel;
}

static JPanel smartAdd(JPanel panel, Object... parts) {
  return smartAdd(panel, asList(parts));
}

static <A extends JComponent> A setFontSize(int size, A a) {
  if (a != null) a.setFont(a.getFont().deriveFont((float) size));
  return a;
}

static <A extends JComponent> A setFontSize(A a, int size) {
  return setFontSize(size, a);
}
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 void autoVMExit() {
  call(getJavaX(), "autoVMExit");
}
// action can be Runnable or a function name
static JButton newButton(final String text, final Object action) {
  return swing(new F0<JButton>() { JButton get() { try { 
    JButton btn = new JButton(text);
    if (action != null)
      btn.addActionListener(actionListener(action));
    return btn;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JButton btn = new JButton(text);\r\n    if (action != null)\r\n      btn.addActionLi..."; }});
}
static Map litmap(Object... x) {
  HashMap map = new HashMap();
  litmap_impl(map, x);
  return map;
}

static void litmap_impl(Map map, Object... x) {
  for (int i = 0; i < x.length-1; i += 2)
    if (x[i+1] != null)
      map.put(x[i], x[i+1]);
}


static boolean match3(String pat, String s) {
  return match3(pat, s, null);
}

static boolean match3(String pat, String s, Matches matches) {
  if (pat == null || s == null) return false;
  return match3(pat, parse3_cached(s), matches);
}
  
static boolean match3(String pat, List<String> toks, Matches matches) {
  List<String> tokpat = parse3(pat);
  return match3(tokpat,toks,matches);
}

static boolean match3(List<String> tokpat, List<String> toks, Matches matches) {
  String[] m = match2(tokpat, toks);
  //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
  if (m == null) return false;
  if (matches != null) matches.m = m; return true;
}
// An "Android" is a program that accepts text questions (on console or TCP) and outputs one response text per question

static boolean makeAndroid3_disable; // disable all android making

static class Android3 {
  String greeting;
  boolean publicOverride; // optionally set this in client
  int startPort = 5000; // optionally set this in client
  Responder responder;
  boolean console = true;
  boolean quiet; // no messages on console
  boolean daemon = false;
  boolean incomingSilent = false;
  int incomingPrintLimit = 200;
  boolean useMultiPort = true;
  boolean recordHistory;
  boolean verbose;
  int answerPrintLimit = 500;
  boolean newLineAboveAnswer, newLineBelowAnswer;
  
  // set by system
  int port;
  long vport;
  DialogHandler handler;
  ServerSocket server;
  
  Android3(String greeting) {
  this.greeting = greeting;}
  Android3() {}
  
  synchronized void dispose() {
    if (server != null) {
      try {
        server.close();
      } catch (IOException e) {
        print("[internal] " + e);
      }
      server = null;
    }
    if (vport != 0) try {
      print("Disposing " + this);
      removeFromMultiPort(vport);
      vport = 0;
    } catch (Throwable __e) { printStackTrace2(__e); }
  }
  
  public String toString() { return "Bot: " + greeting + " [vport " + vport + "]"; }
}

static abstract class Responder {
  abstract String answer(String s, List<String> history);
}

static Android3 makeAndroid3(final String greeting) {
  return makeAndroid3(new Android3(greeting));
}

static Android3 makeAndroid3(final String greeting, Responder responder) {
  Android3 android = new Android3(greeting);
  android.responder = responder;
  return makeAndroid3(android);
}

static Android3 makeAndroid3(final Android3 a) {
  if (makeAndroid3_disable) return a;
  
  if (a.responder == null)
    a.responder = new Responder() {
      String answer(String s, List<String> history) {
        return callStaticAnswerMethod(s, history);
      }
    };
    
  if (!a.quiet)
    print("[bot] " + a.greeting);
  
  if (a.console && makeAndroid3_consoleInUse() && !readLine_noReadLine) a.console = false;
  
  record(a);
  
  if (a.useMultiPort)
    a.vport = addToMultiPort(a.greeting,
      makeAndroid3_verboseResponder(a));
      
  if (a.console)
    makeAndroid3_handleConsole(a);

  if (a.useMultiPort) return a;

  a.handler = makeAndroid3_makeDialogHandler(a);
  if (a.quiet) startDialogServer_quiet.set(true);
  try {
    a.port = a.daemon
      ? startDialogServerOnPortAboveDaemon(a.startPort, a.handler)
      : startDialogServerOnPortAbove(a.startPort, a.handler);
  } finally {
    startDialogServer_quiet.set(null);
  }
  a.server = startDialogServer_serverSocket;

  return a;
}

static void makeAndroid3_handleConsole(final Android3 a) {
  // Console handling stuff
  if (!a.quiet)
    print("You may also type on this console.");
  { Thread _t_0 = new Thread() {
public void run() { try {
    List<String> history = new ArrayList();
    while (licensed()) {
      String line;
      try {
        line = readLine();
      } catch (Throwable e) {
        print(getInnerMessage(e));
        break;
      }
      if (line == null) break;
      /*if (eq(line, "bye")) {
        print("> bye stranger");
        history = new ArrayList<S>();
      } else*/ {
        history.add(line);
        history.add(makeAndroid3_getAnswer(line, history, a)); // prints answer on console too
      }
    }
  } catch (Throwable __e) { printStackTrace2(__e); } }
};
startThread(_t_0); }
}

static DialogHandler makeAndroid3_makeDialogHandler(final Android3 a) {
  return new DialogHandler() {
public void run(final DialogIO io) {
    if (!a.publicOverride && !(publicCommOn() || io.isLocalConnection())) {
      io.sendLine("Sorry, not allowed");
      return;
    }
    
    String dialogID = randomID(8);
    
    io.sendLine(a.greeting + " / Your ID: " + dialogID);
    
    List<String> history = new ArrayList();
    
    while (io.isStillConnected()) {
      if (io.waitForLine()) {
        final String line = io.readLineNoBlock();
        String s = dialogID + " at " + now() + ": " + quote(line);
        if (!a.incomingSilent)
          print(shorten(s, a.incomingPrintLimit));
        if (eq(line, "bye")) {
          io.sendLine("bye stranger");
          return;
        }
        Matches m = new Matches();
        if (a.recordHistory)
          history.add(line);
        String answer;
        if (match3("this is a continuation of talk *", s, m)
          || match3("hello bot! this is a continuation of talk *", s, m)) {
          dialogID = unquote(m.m[0]);
          answer = "ok";
        } else try {
          makeAndroid3_io.set(io);
          answer = makeAndroid3_getAnswer(line, history, a);
        } finally {
          makeAndroid3_io.set(null);
        }
        if (a.recordHistory)
          history.add(answer);
        io.sendLine(answer);
        //appendToLog(logFile, s);
      }
    }
  }};
}

static String makeAndroid3_getAnswer(String line, List<String> history, Android3 a) {
  String answer, originalAnswer;
  try {
    originalAnswer = a.responder.answer(line, history);
    answer = makeAndroid3_fallback(line, history, originalAnswer);
  } catch (Throwable e) {
    e = getInnerException(e);
    printStackTrace(e);
    originalAnswer = answer = e.toString();
  }
  if (!a.incomingSilent) {
    if (originalAnswer == null) originalAnswer = "?";
    if (a.newLineAboveAnswer) print();
    print(">" + dropFirst(indentx(2, shorten(rtrim(originalAnswer), a.answerPrintLimit))));
    if (a.newLineBelowAnswer) print();
  }
  return answer;
}

static String makeAndroid3_fallback(String s, List<String> history, String answer) {
  // Now we only do the safe thing instead of VM inspection - give out our process ID
  if (answer == null && match3("what is your pid", s))
    return getPID();
    
  if (answer == null && match3("what is your program id", s)) // should be fairly safe, right?
    return getProgramID();
    
  if (match3("get injection id", s))
    return getInjectionID();
    
  if (answer == null) answer = "?";
  if (answer.indexOf('\n') >= 0 || answer.indexOf('\r') >= 0)
    answer = quote(answer);
  return answer;
}

static boolean makeAndroid3_consoleInUse() {
  for (Object o : record_list)
    if (o instanceof Android3 && ((Android3) o).console)
      return true;
  return false;
}

static Responder makeAndroid3_verboseResponder(final Android3 a) {
  return new Responder() {
    String answer(String s, List<String> history) {
      if (a.verbose)
        print("> " + shorten(s, a.incomingPrintLimit));
      String answer = a.responder.answer(s, history);
      if (a.verbose)
        print("< " + shorten(answer, a.incomingPrintLimit));
      return answer;
    }
  };
}

static ThreadLocal<DialogIO> makeAndroid3_io = new ThreadLocal();

static Android3 makeAndroid3() {
  return makeAndroid3(getProgramTitle() + ".");
}
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 void activateFrame(final Component c) {
  { swing(new Runnable() { public void run() { try { 
    JFrame f = getFrame(c);
    if (f == null) return;
    if (!f.isVisible()) f.setVisible(true);
    if (f.getState() == Frame.ICONIFIED)
      f.setState(Frame.NORMAL);
      
    // My glorious Windows hack
    // See: https://stackoverflow.com/questions/309023/how-to-bring-a-window-to-the-front
    if (isWindows()) {
      boolean fullscreen = f.getExtendedState() == Frame.MAXIMIZED_BOTH;
      f.setExtendedState(JFrame.ICONIFIED);
      f.setExtendedState(fullscreen ? JFrame.MAXIMIZED_BOTH : JFrame.NORMAL);
    }
    
    f.toFront();
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JFrame f = getFrame(c);\r\n    if (f == null) return;\r\n    if (!f.isVisible()) f.s..."; }}); }
}
static final 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;
  synchronized(callMC_cache) {
    me = method == callMC_key ? callMC_value : null;
  }
  if (me != null) return callMC_value.invoke(null, args);

  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;
    }
    return me.invoke(null, args);
  }
  for (int i = 0; i < n; i++) {
    me = m.get(i);
    if (call_checkArgs(me, args, false))
      return me.invoke(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() & Modifier.STATIC) != 0) {
          m.setAccessible(true);
          multiMapPut(callMC_cache, m.getName(), m);
        }
      c = c.getSuperclass();
    }
  }
}
static void addToContainer(Container a, Component b) {
  if (a != null && b != null) a.add(b);
}
static String formatSnippetID(String id) {
  return "#" + parseSnippetID(id);
}

static String formatSnippetID(long id) {
  return "#" + id;
}
// 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 String getProgramTitle() {
  return getProgramName();
}
static int packFrame_minw = 150, packFrame_minh = 50;

static <A extends Component> A packFrame(final A c) {
  { swing(new Runnable() { public void run() { try { 
    JFrame frame = getFrame(c);
    if (frame != null) {
      frame.pack();
      int maxW = getScreenWidth()-50, maxH = getScreenHeight()-50;
      frame.setSize(
        min(maxW, max(frame.getWidth(), packFrame_minw)),
        min(maxH, max(frame.getHeight(), packFrame_minh)));
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JFrame frame = getFrame(c);\r\n    if (frame != null) {\r\n      frame.pack();\r\n    ..."; }}); }
  return c;
}

static JFrame packFrame(ButtonGroup g) {
  return packFrame(getFrame(g));
}
static String or2(String a, String b) {
  return nempty(a) ? a : b;
}
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 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 instanceof Class) {
        Method m = call_findStaticMethod((Class) o, method, args, false);
        m.setAccessible(true);
        return m.invoke(null, args);
      } else {
        Method m = call_findMethod(o, method, args, false);
        m.setAccessible(true);
        return m.invoke(o, args);
      }
    } catch (Exception e) {
      throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(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() & 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());
  }

  private 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;
  }


 // Substance
 // Trident (required by Substance)




static void enableSubstance_impl(final String skinName) { swing(new Runnable() { public void run() { try { 
  if (!substanceLookAndFeelEnabled())
    enableSubstance_impl_2(skinName);

} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!substanceLookAndFeelEnabled())\r\n    enableSubstance_impl_2(skinName);"; }}); }

static void enableSubstance_impl_2(String skinName) { try {
  boolean wasEnabled = substanceLookAndFeelEnabled();
  ClassLoader cl = main.class.getClassLoader();
  UIManager.getDefaults().put("ClassLoader", cl);
  Thread.currentThread().setContextClassLoader(cl);
  String skinClassName = "org.pushingpixels.substance.api.skin." + addSuffix(skinName, "Skin");
  SubstanceSkin skin = (SubstanceSkin) nuObject(cl.loadClass(skinClassName));
  SubstanceLookAndFeel.setSkin(skin);
  JFrame.setDefaultLookAndFeelDecorated(true);  
  updateLookAndFeelOnAllWindows_noRenew();
  if (!wasEnabled) renewConsoleFrame();
  
  if (substanceLookAndFeelEnabled())
    print("Substance L&F enabled.");
  else
    print("Could not enable Substance L&F?");
} catch (Exception __e) { throw rethrow(__e); } }
static String getClassName(Object o) {
  return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static Window getWindow(Object o) {
  if (!(o instanceof Component)) return null;
  Component c = (Component) o;
  while (c != null) {
    if (c instanceof Window) return (Window) c;
    c = c.getParent();
  }
  return null;
}
static String programID;

static String getProgramID() {
  return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
}

// TODO: ask JavaX instead
static String getProgramID(Class c) {
  String id = (String) getOpt(c, "programID");
  if (nempty(id))
    return formatSnippetID(id);
  return "?";
}

static String getProgramID(Object o) {
  return getProgramID(getMainClass(o));
}
static ActionListener actionListener(final Object runnable) {
  if (runnable instanceof ActionListener) return (ActionListener) runnable;
  return new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try { callF(runnable); } catch (Throwable __e) { messageBox(__e); }}};
}
static Component wrapForSmartAdd(Object o) {
  if (o == null) return new JPanel();
  if (o instanceof String) return jlabel((String) o);
  return wrap(o);
}
static ImageIcon imageIcon(String imageID) { try {
  return new ImageIcon(loadBinarySnippet(imageID).toURI().toURL());
} catch (Exception __e) { throw rethrow(__e); } }

static ImageIcon imageIcon(BufferedImage img) {
  return new ImageIcon(img);
}


static Object[] toObjectArray(Collection c) {
  List l = asList(c);
  return l.toArray(new Object[l.size()]);
}

static Thread startThread(Object runnable) {
  return startThread(defaultThreadName(), runnable);
}

static Thread startThread(String name, Object runnable) {
  return startThread(newThread(toRunnable(runnable), name));
}

static Thread startThread(Thread t) {
  _registerThread(t);
  t.start();
  return t;
}
static JFrame showFrame() {
  return makeFrame();
}

static JFrame showFrame(Object content) {
  return makeFrame(content);
}

static JFrame showFrame(String title) {
  return makeFrame(title);
}

static JFrame showFrame(String title, Object content) {
  return makeFrame(title, content);
}

static JFrame showFrame(final JFrame frame) {
  if (frame != null) { swing(new Runnable() { public void run() { try { 
    if (frameTooSmall(frame)) frameStandardSize(frame);
    frame.setVisible(true);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (frameTooSmall(frame)) frameStandardSize(frame);\r\n    frame.setVisible(true);"; }}); }
  return frame;
}

// make or update frame
static JFrame showFrame(String title, Object content, JFrame frame) {
  if (frame == null)
    return showFrame(title, content);
  else {
    frame.setTitle(title);
    setFrameContents(frame, content);
    return frame;
  }
}
static Class __javax;

static Class getJavaX() {
  return __javax;
}
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 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(Map map) {
  return map == null || map.isEmpty();
}
static Class hotwireOnce(String programID) {
  return hotwireCached(programID, false);
}
static List<JFrame> myFrames() {
  return (List) swing(new Object() { Object get() { try { 
    Map<JFrame, Boolean> map = (Map) getOpt(mc(), "makeFrame_myFrames");
    return map == null ? new ArrayList() : asList(keys(map));
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Map<JFrame, Boolean> map = (Map) getOpt(mc(), \"makeFrame_myFrames\");\r\n    ret ma..."; }});
}

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 instanceof String ? l((String) o)
    : o instanceof Map ? l((Map) o)
    : l((Collection) o); // incomplete
}




static <A extends Component> A setFrameSize(A c, int w, int h) {
  JFrame f = getFrame(c);
  if (f != null)
    f.setSize(w, h);
  return c;
}

static <A extends Component> A setFrameSize(int w, int h, A c) {
  return setFrameSize(c, w, h);
}
static String makeResponder_callAnswerMethod(Object bot, String s, List<String> history) {
  String answer = (String) callOpt(bot, "answer", s, history);
  if (answer == null)
    answer = (String) callOpt(bot, "answer", s);
  return answer;
}

static Responder makeResponder(final Object bot) {
  if (bot instanceof Responder) return (Responder) bot;
  
  if (bot instanceof String) {
    String f = (String) ( bot);
    return new Responder() {
      String answer(String s, List<String> history) {
        String answer = (String) callOptMC((String) bot, s, history);
        if (answer == null)
          answer = (String) callOptMC((String) bot, s);
        return answer;
      }
    };
  }
  
  return new Responder() {
    String answer(String s, List<String> history) {
      return makeResponder_callAnswerMethod(bot, s, history);
    }
  };
}
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() & Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}

static String sendToLocalBotOpt(String bot, String text, Object... args) {
  if (bot == null) return null;
  text = format(text, args);
  DialogIO channel = findBot(bot);
  if (channel == null) {
    print(quote(bot) + " not found, skipping send: " + quote(text));
    return null;
  }
  try {
    channel.readLine();
    print(shorten(bot + "> " + text, 200));
    channel.sendLine(text);
    String s = channel.readLine();
    print(shorten(bot + "< " + s, 200));
    return s;
  } catch (Throwable e) {
    e.printStackTrace();
    return null;
  } finally {
    channel.close();
  }
}
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 void printStackTrace2(S indent, Throwable e) {
  if (endsWithLetter(indent)) indent += " ";
  printIndent(indent, getStackTrace2(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 WeakHashMap<JFrame,Boolean> makeFrame_myFrames = new WeakHashMap();

static JFrame makeFrame() {
  return makeFrame((Component) null);
}

static JFrame makeFrame(Object content) {
  return makeFrame(programTitle(), content);
}

static JFrame makeFrame(String title) {
  return makeFrame(title, null);
}

static JFrame makeFrame(String title, Object content) {
  return makeFrame(title, content, true);
}

static JFrame makeFrame(final String title, final Object content, final boolean showIt) {
  return swing(new F0<JFrame>() { JFrame get() { try { 
    if (getFrame(content) != null)
      return getFrame(setFrameTitle((Component) content, title));
    final JFrame frame = new JFrame(title);
    makeFrame_myFrames.put(frame, Boolean.TRUE);
    JComponent wrapped = wrap(content);
    if (wrapped != null)
      frame.getContentPane().add(wrapped);
    frame.setBounds(defaultNewFrameBounds());
    if (showIt)
      frame.setVisible(true);
    //callOpt(content, "requestFocus");
    //exitOnFrameClose(frame);
    
    standardTitlePopupMenu(frame);
    return frame;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (getFrame(content) != null)\r\n      ret getFrame(setFrameTitle((Component) con..."; }});
}
static Object callOptMC(String method, Object... args) {
  return callOpt(mc(), method, args);
}
static Object callFunction(Object f, Object... args) {
  return callF(f, args);
}
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
      out.append(c);
  }
  out.append('"');
}
static int shorten_default = 100;

static String shorten(String s) { return shorten(s, shorten_default); }

static String shorten(String s, int max) {
  if (s == null) return "";
  if (max < 0) return s;
  return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}

static String shorten(int max, String s) { return shorten(s, max); }
static List<Object> record_list = synchroList();

static void record(Object o) {
  record_list.add(o);
}
static TreeMap<String,Class> hotwireCached_cache = new TreeMap();
static Lock hotwireCached_lock = lock();

static Class hotwireCached(String programID) {
  return hotwireCached(programID, true);
}

static Class hotwireCached(String programID, boolean runMain) {
  Lock _lock_949 = hotwireCached_lock; lock(_lock_949); try {
  
  programID = formatSnippetID(programID);
  Class c = hotwireCached_cache.get(programID);
  if (c == null) {
    c = hotwire(programID);
    if (runMain)
      callMain(c);
    hotwireCached_cache.put(programID, c);
  }
  return c;
} finally { _lock_949.unlock(); } }
public static boolean isWindows() {
  return System.getProperty("os.name").contains("Windows");
}
static void setFrameContents(final Component c, final Object contents) {
  { swing(new Runnable() { public void run() { try { 
    JFrame frame = getFrame(c);
    frame.getContentPane().removeAll();
    frame.getContentPane().setLayout(new BorderLayout());
    frame.getContentPane().add(wrap(contents));
    revalidate(frame);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JFrame frame = getFrame(c);\r\n    frame.getContentPane().removeAll();\r\n    frame...."; }}); }
}
static String getStackTrace2(Throwable throwable) {
  return hideCredentials(getStackTrace(throwable) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ",
    hideCredentials(str(getInnerException(throwable)))) + "\n");
}
static boolean substanceLookAndFeelEnabled() {
  return startsWith(getLookAndFeel(), "org.pushingpixels.");
}
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 defaultThreadName_name;

static String defaultThreadName() {
  if (defaultThreadName_name == null)
    defaultThreadName_name = "A thread by " + programID();
  return defaultThreadName_name;
}
static void removeFromMultiPort(long vport) {
  if (vport == 0) return;
  for (Object port : getMultiPorts())
    call(port, "removePort", vport);
}
static File loadBinarySnippet(String snippetID) { try {
  long id = parseSnippetID(snippetID);
  File f = DiskSnippetCache_getLibrary(id);
  if (fileSize(f) == 0)
    f = loadDataSnippetToFile(snippetID);
  return f;
} catch (Exception __e) { throw rethrow(__e); } }
static Object addToMultiPort_responder;

static long addToMultiPort(final String botName) {
  return addToMultiPort(botName, new Object() {
    public String answer(String s, List<String> history) {
      String answer = (String) ( callOpt(getMainClass(), "answer", s, history));
      if (answer != null) return answer;
      answer = (String) callOpt(getMainClass(), "answer", s);
      if (answer != null) return answer;
      if (match3("get injection id", s))
        return getInjectionID();
      return null;
    }
  });
}

static long addToMultiPort(final String botName, final Object responder) {
  //print(botName);
  addToMultiPort_responder = responder;
  startMultiPort();
  List ports = getMultiPorts();
  if (ports == null) return 0;
  if (ports.isEmpty())
    throw fail("No multiports!");
  if (ports.size() > 1)
    print("Multiple multi-ports. Using last one.");
  Object port = last(ports);
  Object responder2 = new Object() {
    public String answer(String s, List<String> history) {
      if (match3("get injection id", s))
        return getInjectionID();
      if (match3("your name", s))
        return botName;
      return (String) call(responder, "answer", s, history);
    }
  };
  record(responder2);
  return (Long) call(port, "addResponder", botName, responder2);
}

// runnable = Runnable or String (method name)
static Thread newThread(Object runnable) {
  return new Thread(_topLevelErrorHandling(toRunnable(runnable)));
}

static Thread newThread(Object runnable, String name) {
  return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name);
}
static String addSuffix(String s, String suffix) {
  return s.endsWith(suffix) ? s : s + suffix;
}
static String myJavaSource_code;

static String myJavaSource() {
  return myJavaSource_code;
}
  static List<String> parse3(String s) {
    return dropPunctuation(javaTokPlusPeriod(s));
  }
static String getInnerMessage(Throwable e) {
  if (e == null) return null;
  return getInnerException(e).getMessage();
}
static int getScreenWidth() {
  return getScreenSize().width;
}
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 String parse3_cached_s;
static List<String> parse3_cached_l;

  static synchronized List<String> parse3_cached(String s) {
    if (neq(s, parse3_cached_s))
      parse3_cached_l = parse3(parse3_cached_s = s);
    return parse3_cached_l;
  }
static Class getMainClass() {
  return main.class;
}

static Class getMainClass(Object o) { try {
  return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
} catch (Exception __e) { throw rethrow(__e); } }
static volatile boolean licensed_yes = true;

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

static void licensed_off() {
  licensed_yes = false;
}
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 Map<String, Integer> findBot_cache = synchroHashMap();
static int findBot_timeout = 5000;

static DialogIO findBot(String searchPattern) {
  // first split off sub-bot suffix
  String subBot = null;
  int i = searchPattern.indexOf('/');
  if (i >= 0 && (isJavaIdentifier(searchPattern.substring(0, i)) || isInteger(searchPattern.substring(0, i)))) {
    subBot = searchPattern.substring(i+1);
    searchPattern = searchPattern.substring(0, i);
    if (!isInteger(searchPattern))
      searchPattern = "Multi-Port at " + searchPattern + ".";
  }
  
  // assume it's a port if it's an integer
  if (isInteger(searchPattern))
    return talkToSubBot(subBot, talkTo(parseInt(searchPattern)));
    
  if (eq(searchPattern, "remote"))
    return talkToSubBot(subBot, talkTo("second.tinybrain.de", 4999));
    
  Integer port = findBot_cache.get(searchPattern);
  if (port != null) try {
    DialogIO io = talkTo("localhost", port);
    io.waitForLine(/*findBot_timeout*/); // TODO: implement
    String line = io.readLineNoBlock();
    if (indexOfIgnoreCase(line, searchPattern) == 0) {
      call(io, "pushback", line); // put hello string back in
      return talkToSubBot(subBot, io);
    }
  } catch (Exception e) {
    e.printStackTrace();
  }
  
  List<ProgramScan.Program> bots = quickBotScan();
  
  // find top-level bots
  for (ProgramScan.Program p : bots) {
    if (indexOfIgnoreCase(p.helloString, searchPattern) == 0) { // strict matching - start of hello string only, but case-insensitive
      findBot_cache.put(searchPattern, p.port);
      return talkToSubBot(subBot, talkTo("localhost", p.port));
    }
  }
  
  // find sub-bots
  for (ProgramScan.Program p : bots) {
    String botName = firstPartOfHelloString(p.helloString);
    boolean isVM = startsWithIgnoreCase(p.helloString, "This is a JavaX VM.");
    boolean shouldRecurse = startsWithIgnoreCase(botName, "Multi-Port") || isVM;
        
    if (shouldRecurse) try {
      Map<Number, String> subBots = (Map) unstructure(sendToLocalBotQuietly(p.port, "list bots"));
      for (Number vport : subBots.keySet()) {
        String name = subBots.get(vport);
        if (startsWithIgnoreCase(name, searchPattern))
          return talkToSubBot(vport.longValue(), talkTo("localhost", p.port));
      }
    } catch (Throwable __e) { print(exceptionToStringShort(__e)); }
  }
        
  return null;
}
static Throwable getInnerException(Throwable e) {
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}
static int getScreenHeight() {
  return getScreenSize().height;
}
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_MESSAG..."; }}); }
}

static void messageBox(Throwable e) {
  showConsole();
  printStackTrace(e);
  messageBox(str(innerException(e)));
}
// 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;
}

// match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens)

static String[] match2(List<String> pat, List<String> tok) {
  // standard case (no ...)
  int i = pat.indexOf("...");
  if (i < 0) return match2_match(pat, tok);
  
  pat = new ArrayList<String>(pat); // We're modifying it, so copy first
  pat.set(i, "*");
  while (pat.size() < tok.size()) {
    pat.add(i, "*");
    pat.add(i+1, ""); // doesn't matter
  }
  
  return match2_match(pat, tok);
}

static String[] match2_match(List<String> pat, List<String> tok) {
  List<String> result = new ArrayList<String>();
  if (pat.size() != tok.size()) {
    
    return null;
  }
  for (int i = 1; i < pat.size(); i += 2) {
    String p = pat.get(i), t = tok.get(i);
    
    if (eq(p, "*"))
      result.add(t);
    else if (!equalsIgnoreCase(unquote(p), unquote(t))) // bold change - match quoted and unquoted now
      return null;
  }
  return result.toArray(new String[result.size()]);
}

static void renewConsoleFrame() {
  setConsoleFrame(renewFrame(consoleFrame()));
}
static boolean frameTooSmall(JFrame frame) {
  return frame.getWidth() < 100 || frame.getHeight() < 50;
}
static Boolean isHeadless_cache;

static boolean isHeadless() {
  if (isHeadless_cache != null) return isHeadless_cache;
  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 boolean publicCommOn() {
  return "1".equals(loadTextFile(new File(userHome(), ".javax/public-communication")));
}
static Class mc() {
  return main.class;
}
static String indentx(String s) {
  return indentx(indent_default, s);
}

static String indentx(int n, String s) {
  return dropSuffix(repeat(' ', n), indent(n, s));
}

static String indentx(String indent, String s) {
  return dropSuffix(indent, indent(indent, s));
}
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);
}
// extended over Class.isInstance() to handle primitive types
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 String format(String pat, Object... args) {
    return format3(pat, args);
  }

static String getInjectionID() {
  return (String) call(getJavaX(), "getInjectionID", getMainClass());
}
static boolean eq(Object a, Object b) {
  return a == null ? b == null : a == b || a.equals(b);
}
static Object nuObject(String className, Object... args) { try {
  return nuObject(Class.forName(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 {
  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() & 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 void updateLookAndFeelOnAllWindows_noRenew() {
  for (Window window : Window.getWindows())
    SwingUtilities.updateComponentTreeUI(window);
}
static <A, B> Set<A> keys(Map<A, B> map) {
  return map == null ? new HashSet() : map.keySet();
}

static Set keys(Object map) {
  return keys((Map) map);
}




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 m.invoke(null, args);
    } else {
      Method m = callOpt_findMethod(o, method, args, false);
      if (m == null) return null;
      m.setAccessible(true);
      return m.invoke(o, args);
    }
  } catch (Exception e) {
    //fail(e.getMessage() + " | Method: " + method + ", receiver: " + className(o) + ", args: (" + join(", ", map(f className, args) + ")");
    throw new RuntimeException(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() & 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 JFrame getFrame(final Object _o) {
  return swing(new F0<JFrame>() { JFrame 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 JFrame) return (JFrame) 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((ButtonGro..."; }});
}
static JLabel jlabel(final String text) {
  return swingConstruct(BetterLabel.class, text);
}

static JLabel jlabel() {
  return jlabel(" ");
}
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 final WeakHashMap<Class, HashMap<String, Field>> getOpt_cache = new WeakHashMap();
static final HashMap getOpt_special = new HashMap(); // just a marker

static {
  getOpt_cache.put(Class.class, getOpt_special);
  getOpt_cache.put(String.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);
  
    if (o instanceof DynamicObject)
      return ((DynamicObject) o).fieldValues.get(field);
  
  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 AtomicInteger dialogServer_clients = new AtomicInteger();
static boolean dialogServer_printConnects;
static ThreadLocal<Boolean> startDialogServer_quiet = new ThreadLocal();

static Set<String> dialogServer_knownClients = synchroTreeSet();

static int startDialogServerOnPortAbove(int port, DialogHandler handler) {
  while (!forbiddenPort(port) && !startDialogServerIfPortAvailable(port, handler))
    ++port;
  return port;
}

static int startDialogServerOnPortAboveDaemon(int port, DialogHandler handler) {
  while (!forbiddenPort(port) && !startDialogServerIfPortAvailable(port, handler, true))
    ++port;
  return port;
}

static void startDialogServer(int port, DialogHandler handler) {
  if (!startDialogServerIfPortAvailable(port, handler))
    throw fail("Can't start dialog server on port " + port);
}

static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler) {
  return startDialogServerIfPortAvailable(port, handler, false);
}

static ServerSocket startDialogServer_serverSocket;
  
static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler, boolean daemon) {
  ServerSocket serverSocket = null;
  try {
    serverSocket = new ServerSocket(port);
  } catch (IOException e) {
    // probably the port number is used - let's assume there already is a chat server.
    return false;
  }
  final ServerSocket _serverSocket = serverSocket;
  startDialogServer_serverSocket = serverSocket;

  Thread thread = new Thread("Socket accept port " + port) { public void run() {
   try {
    while (true) {
      try {
        final Socket s = _serverSocket.accept();
        
        String client = s.getInetAddress().toString();
        if (!dialogServer_knownClients.contains(client) && neq(client, "/127.0.0.1")) {
          print("connect from " + client + " - clients: " + dialogServer_clients.incrementAndGet());
          dialogServer_knownClients.add(client);
        }
        
        String threadName = "Handling client " + s.getInetAddress();

        Thread t2 = new Thread(threadName) {
         public void run() {
          try {
            final Writer w = new OutputStreamWriter(s.getOutputStream(), "UTF-8");
            final BufferedReader in = new BufferedReader(
              new InputStreamReader(s.getInputStream(), "UTF-8"));
              
            DialogIO io = new DialogIO() {
            
              // This should be the same as #1001076 (talkTo)
            
  boolean isLocalConnection() {
    return s.getInetAddress().isLoopbackAddress();
  }
  
  boolean isStillConnected() {
    return !(eos || s.isClosed());
  }
  
  void sendLine(String line) { try {
    w.write(line + "\n");
    w.flush();
  } catch (Exception __e) { throw rethrow(__e); } }
  
  String readLineImpl() { try {
    return in.readLine();
  } catch (Exception __e) { throw rethrow(__e); } }
  
  void close() {
    try {
      s.close();
    } catch (IOException e) {
      // whatever
    }
  }
  
  Socket getSocket() {
    return s;
  }
  };
            
            try {
              handler.run(io);
            } finally {
              s.close();
            }
          } catch (IOException e) {
            print("[internal] " + e);
          } finally {
            //print("client disconnect - " + dialogServer_clients.decrementAndGet() + " remaining");
          }
         }
        }; // Thread t2
        t2.setDaemon(true); // ?
        t2.start();
      } catch (SocketTimeoutException e) {
      }
    }   
   } catch (IOException e) {
     print("[internal] " + e);
   }
  }};
  if (daemon) thread.setDaemon(true);
  thread.start();
 
  if (!isTrue(getAndClearThreadLocal(startDialogServer_quiet)))
    print("Dialog server on port " + port + " started."); 
  return true;
}
static void frameStandardSize(JFrame frame) {
  frame.setBounds(300, 100, 500, 400);
}
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}

static String formatSnippetIDOpt(String s) {
  return isSnippetID(s) ? formatSnippetID(s) : s;
}
static String processID_cached;

// try to get our current process ID
static String getPID() {
  if (processID_cached == null) {
    String name = ManagementFactory.getRuntimeMXBean().getName();
    processID_cached = name.replaceAll("@.*", "");
  }
  return processID_cached;
}
static String unquote(String s) {
  if (s == null) return null;
  if (s.startsWith("[")) {
    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.startsWith("\"") || s.startsWith("\'")) && s.length() > 1) {
    int l = s.endsWith(substring(s, 0, 1)) ? 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 '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;
        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
}
public static String rtrim(String s) {
  int i = s.length();
  while (i > 0 && " \t\r\n".indexOf(s.charAt(i-1)) >= 0)
    --i;
  return i < s.length() ? s.substring(0, i) : s;
}
static String callStaticAnswerMethod(List bots, String s) {
  for (Object c : bots) try {
    String answer = callStaticAnswerMethod(c, s);
    if (!empty(answer)) return answer;
  } catch (Throwable e) {
    print("Error calling " + getProgramID(c));
    e.printStackTrace();
  }
  return null;
}

static String callStaticAnswerMethod(Object c, String s) {
  String answer = (String) callOpt(c, "answer", s, litlist(s));
  if (answer == null)
    answer = (String) callOpt(c, "answer", s);
  return emptyToNull(answer);
}

static String callStaticAnswerMethod(String s) {
  return callStaticAnswerMethod(mc(), s);
}

static String callStaticAnswerMethod(String s, List<String> history) {
  return callStaticAnswerMethod(mc(), s, history);
}

static String callStaticAnswerMethod(Object c, String s, List<String> history) {
  String answer = (String) callOpt(c, "answer", s, history);
  if (answer == null)
    answer = (String) callOpt(c, "answer", s);
  return emptyToNull(answer);
}
static volatile boolean readLine_noReadLine;

static String readLine() {
  if (readLine_noReadLine) return null;
  return (String) call(getJavaX(), "readLine");
}
static int parseInt(String s) {
  return empty(s) ? 0 : Integer.parseInt(s);
}

static int parseInt(char c) {
  return Integer.parseInt(str(c));
}
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<F1<String, Boolean>> print_byThread; // special handling by thread

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

// 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) {
  if (print_byThread != null) {
    F1<String, Boolean> f = print_byThread.get();
    if (f != null)
      if (isFalse(f.get(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 void print(long l) {
  print(String.valueOf(l));
}

static void print(char c) {
  print(String.valueOf(c));
}

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 int randomID_defaultLength = 12;

static String randomID(int length) {
  return makeRandomID(length);
}

static String randomID() {
  return randomID(randomID_defaultLength);
}
static String getProgramName_cache;

static synchronized String getProgramName() {
  if (getProgramName_cache == null)
    getProgramName_cache = getSnippetTitleOpt(programID());
  return getProgramName_cache;
}
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 String[] dropFirst(int n, String[] a) {
  return drop(n, a);
}

static String[] dropFirst(String[] a) {
  return drop(1, a);
}

static Object[] dropFirst(Object[] a) {
  return drop(1, a);
}

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

static <A> List<A> dropFirst(Iterable<A> i) {
  return dropFirst(toList(i));
}

static <A> List<A> dropFirst(int n, List<A> l) {
  return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size()));
}

static <A> List<A> dropFirst(List<A> l, int n) {
  return dropFirst(n, l);
}

static String dropFirst(int n, String s) { return substring(s, n); }
static String dropFirst(String s) { return substring(s, 1); }


static boolean equalsIgnoreCase(String a, String b) {
  return a == null ? b == null : a.equalsIgnoreCase(b);
}

static boolean equalsIgnoreCase(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 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 String replacePrefix(String prefix, String replacement, String s) {
  if (!startsWith(s, prefix)) return s;
  return replacement + substring(s, l(prefix));
}
static String str(Object o) {
  return o == null ? "null" : o.toString();
}

static String str(char[] c) {
  return new String(c);
}
static DialogIO talkToSubBot(final long vport, final DialogIO io) {
  return talkToSubBot(String.valueOf(vport), io);
}

static DialogIO talkToSubBot(final String subBot, final DialogIO io) {
  if (subBot == null) return io;
  return new talkToSubBot_IO(subBot, io);
}

static class talkToSubBot_IO extends DialogIO {
  String subBot;
  DialogIO io;
  
  talkToSubBot_IO(String subBot, DialogIO io) {
  this.io = io;
  this.subBot = subBot;}
  
  // delegate all but sendLine
  boolean isStillConnected() { return io.isStillConnected(); }
  String readLineImpl() { return io.readLineImpl(); }
  boolean isLocalConnection() { return io.isLocalConnection(); }
  Socket getSocket() { return io.getSocket(); }
  void close() { io.close(); }

  void sendLine(String line) {
    io.sendLine(format3("please forward to bot *: *", subBot, line));
  }
}
static <A> Set<A> synchroTreeSet() {
  return Collections.synchronizedSet(new TreeSet<A>());
}

static String fixNewLines(String s) {
  return s.replace("\r\n", "\n").replace("\r", "\n");
}
static void showConsole() {
  showFrame(consoleFrame());
}
static Object unstructure(String text) {
  return unstructure(text, false);
}

static Object unstructure(String text, final boolean allDynamic) {
  return unstructure(text, allDynamic, null);
}

static int structure_internStringsLongerThan = 50;

static int unstructure_tokrefs; // stats

abstract static class unstructure_Receiver {
  abstract void set(Object o);
}

// classFinder: func(name) -> class (optional)
static Object unstructure(String text, boolean allDynamic,
  Object classFinder) {
  if (text == null) return null;
  return unstructure_tok(javaTokC_noMLS_iterator(text), allDynamic, classFinder);
}

static Object unstructure_reader(BufferedReader reader) {
  return unstructure_tok(javaTokC_noMLS_onReader(reader), false, null);
}

static Object unstructure_tok(final Producer<String> tok, final boolean allDynamic, final Object classFinder) {
  final boolean debug = unstructure_debug;
  
  final class X {
    int i = -1;
    HashMap<Integer,Object> refs = new HashMap();
    HashMap<Integer,Object> tokrefs = new HashMap();
    HashSet<String> concepts = new HashSet();
    HashMap<String,Class> classesMap = new HashMap();
    List<Runnable> stack = new ArrayList();
    String curT;
    
    // look at current token
    String t() {
      return curT;
    }
    
    // get current token, move to next
    String tpp() {
      String t = curT;
      consume();
      return t;
    }
    
    void parse(final unstructure_Receiver out) {
      String t = t();
      
      int refID = 0;
      if (structure_isMarker(t, 0, l(t))) {
        refID = parseInt(t.substring(1));
        consume();
      }
      final int _refID = refID;
      
      // if (debug) print("parse: " + quote(t));
      
      final int tokIndex = i;  
      parse_inner(refID, tokIndex, new unstructure_Receiver() {
        void set(Object o) {
          if (_refID != 0)
            refs.put(_refID, o);
          if (o != null)
            tokrefs.put(tokIndex, o);
          out.set(o);
        }
      });
    }
    
    void parse_inner(int refID, int tokIndex, final unstructure_Receiver out) {
      String t = t();
      
      // if (debug) print("parse_inner: " + quote(t));
      
      Class c = classesMap.get(t);
      if (c == null) {
        if (t.startsWith("\"")) {
          String s = internIfLongerThan(unquote(tpp()), structure_internStringsLongerThan);
          out.set(s); return;
        }
        
        if (t.startsWith("'")) {
          out.set(unquoteCharacter(tpp())); return;
        }
        if (t.equals("bigint")) {
          out.set(parseBigInt()); return;
        }
        if (t.equals("d")) {
          out.set(parseDouble()); return;
        }
        if (t.equals("fl")) {
          out.set(parseFloat()); return;
        }
        if (t.equals("false") || t.equals("f")) {
          consume(); out.set(false); return;
        }
        if (t.equals("true") || t.equals("t")) {
          consume(); out.set(true); return;
        }
        if (t.equals("-")) {
          consume();
          t = tpp();
          out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t))); return;
        }
        if (isInteger(t) || isLongConstant(t)) {
          consume();
          //if (debug) print("isLongConstant " + quote(t) + " => " + isLongConstant(t));
          if (isLongConstant(t)) {
            out.set(parseLong(t)); return;
          }
          long l = parseLong(t);
          boolean isInt = l == (int) l;
          if (debug)
            print("l=" + l + ", isInt: " + isInt);
          out.set(isInt ? (Object) new Integer((int) l) : (Object) new Long(l)); return;
        }
        
        if (t.equals("File")) {
          consume();
          File f = new File(unquote(tpp()));
          out.set(f); return;
        }
        
        if (t.startsWith("r") && isInteger(t.substring(1))) {
          consume();
          int ref = Integer.parseInt(t.substring(1));
          Object o = refs.get(ref);
          if (o == null)
            print("Warning: unsatisfied back reference " + ref);
          out.set(o); return;
        }
      
        if (t.startsWith("t") && isInteger(t.substring(1))) {
          consume();
          int ref = Integer.parseInt(t.substring(1));
          Object o = tokrefs.get(ref);
          if (o == null)
            print("Warning: unsatisfied token reference " + ref);
          out.set(o); return;
        }
        
        if (t.equals("hashset")) {
          parseHashSet(out); return;
        }
        if (t.equals("treeset")) {
          parseTreeSet(out); return;
        }
        if (eqOneOf(t, "hashmap", "hm")) {
          consume();
          parseMap(new HashMap(), out);
          return;
        }
        if (t.equals("lhm")) {
          consume();
          parseMap(new LinkedHashMap(), out);
          return;
        }
        if (t.equals("{")) {
          parseMap(out); return;
        }
        if (t.equals("[")) {
          parseList(out); return;
        }
        if (t.equals("bitset")) {
          parseBitSet(out); return;
        }
        if (t.equals("array") || t.equals("intarray")) {
          parseArray(out); return;
        }
        if (t.equals("ba")) {
          consume();
          String hex = unquote(tpp());
          out.set(hexToBytes(hex)); return;
        }
        if (t.equals("boolarray")) {
          consume();
          int n = parseInt(tpp());
          String hex = unquote(tpp());
          out.set(boolArrayFromBytes(hexToBytes(hex), n)); return;
        }
        if (t.equals("class")) {
          out.set(parseClass()); return;
        }
        if (t.equals("l")) {
          parseLisp(out); return;
        }
        if (t.equals("null")) {
          consume(); out.set(null); return;
        }
        
        if (eq(t, "c")) {
          consume("c");
          t = t();
          assertTrue(isJavaIdentifier(t));
          concepts.add(t);
        }
      }
      
      if (eq(t, "j")) {
        consume("j");
        out.set(parseJava()); return;
      }

      if (c == null && !isJavaIdentifier(t))
        throw new RuntimeException("Unknown token " + (i+1) + ": " + t);
        
      // any other class name
      if (c == null) {
        // First, find class
        if (allDynamic) c = null;
        else c = classFinder != null ? (Class) callF(classFinder, t) : findClass(t);
        if (c != null)
          classesMap.put(t, c);
      }
          
      // Check if it has an outer reference
      consume();
      boolean hasBracket = eq(t(), "(");
      if (hasBracket) consume();
      boolean hasOuter = hasBracket && eq(t(), "this$1");
      
      DynamicObject dO = null;
      Object o = null;
      if (c != null) {
        o = hasOuter ? nuStubInnerObject(c) : nuEmptyObject(c);
        if (o instanceof DynamicObject) dO = (DynamicObject) o;
      } else {
        if (concepts.contains(t) && (c = findClass("Concept")) != null)
          o = dO = (DynamicObject) nuEmptyObject(c);
        else
          dO = new DynamicObject();
        dO.className = t;
        if (debug) print("Made dynamic object " + t + " " + shortClassName(dO));
      }
      
      // Save in references list early because contents of object
      // might link back to main object
      
      if (refID != 0)
        refs.put(refID, o != null ? o : dO);
      tokrefs.put(tokIndex, o != null ? o : dO);
      
      // NOW parse the fields!
      
      final LinkedHashMap<String,Object> fields = new LinkedHashMap(); // preserve order
      final Object _o = o;
      final DynamicObject _dO = dO;
      if (hasBracket) {
        stack.add(new Runnable() { public void run() { try { 
          if (eq(t(), ")")) {
            consume(")");
            objRead(_o, _dO, fields);
            out.set(_o != null ? _o : _dO);
          } else {
            final String key = unquote(tpp());
            consume("=");
            stack.add(this);
            parse(new unstructure_Receiver() {
              void set(Object value) {
                fields.put(key, value);
                if (eq(t(), ",")) consume();
              }
            });
          }
        
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \")\")) {\r\n            consume(\")\");\r\n            objRead(_o, _dO, fie..."; }});
      } else {
        objRead(o, dO, fields);
        out.set(o != null ? o : dO);
      }
    }
    
    void objRead(Object o, DynamicObject dO, Map<String, Object> fields) {
      
      if (o != null)
        if (dO != null) {
          if (debug)
            printStructure("setOptAllDyn", fields);
          setOptAllDyn(dO, fields);
        } else {
          setOptAll(o, fields);
          
        }
      else for (String field : keys(fields))
        dO.fieldValues.put(field.intern(), fields.get(field));

      if (o != null)
        pcallOpt_noArgs(o, "_doneLoading");
    }
    
    void parseSet(final Set set, final unstructure_Receiver out) {
      parseList(new unstructure_Receiver() {
        void set(Object o) {
          set.addAll((List) o);
          out.set(set);
        }
      });
    }
    
    void parseLisp(final unstructure_Receiver out) {
      consume("l");
      consume("(");
      final ArrayList list = new ArrayList();
      stack.add(new Runnable() { public void run() { try { 
        if (eq(t(), ")")) {
          consume(")");
          out.set(newObject("main$Lisp", (String) list.get(0), subList(list, 1)));
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              list.add(o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \")\")) {\r\n          consume(\")\");\r\n          out.set(newObject(\"main$..."; }});
    }
    
    void parseBitSet(final unstructure_Receiver out) {
      consume("bitset");
      consume("{");
      final BitSet bs = new BitSet();
      stack.add(new Runnable() { public void run() { try { 
        if (eq(t(), "}")) {
          consume("}");
          out.set(bs);
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              bs.set((Integer) o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(bs);\r\n        } ..."; }});
    }
    
    void parseList(final unstructure_Receiver out) {
      consume("[");
      final ArrayList list = new ArrayList();
      stack.add(new Runnable() { public void run() { try { 
        if (eq(t(), "]")) {
          consume("]");
          out.set(list);
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              //if (debug) print("List element type: " + getClassName(o));
              list.add(o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \"]\")) {\r\n          consume(\"]\");\r\n          out.set(list);\r\n        ..."; }});
    }
    
    void parseArray(final unstructure_Receiver out) {
      final String type = tpp();
      consume("{");
      final List list = new ArrayList();
      
      stack.add(new Runnable() { public void run() { try { 
        if (eq(t(), "}")) {
          consume("}");
          out.set(type.equals("intarray") ? toIntArray(list) : list.toArray());
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              list.add(o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(type.equals(\"int..."; }});
    }
    
    Object parseClass() {
      consume("class");
      consume("(");
      String name = unquote(tpp());
      consume(")");
      name = dropPrefix("main$", name);
      Class c = allDynamic ? null : classFinder != null ? (Class) callF(classFinder, name) : findClass(name);
      if (c != null) return c;
      DynamicObject dO = new DynamicObject();
      dO.className = "java.lang.Class";
      dO.fieldValues.put("name", name);
      return dO;
    }
    
    Object parseBigInt() {
      consume("bigint");
      consume("(");
      String val = tpp();
      if (eq(val, "-"))
        val = "-" + tpp();
      consume(")");
      return new BigInteger(val);
    }
    
    Object parseDouble() {
      consume("d");
      consume("(");
      String val = unquote(tpp());
      consume(")");
      return Double.parseDouble(val);
    }
    
    Object parseFloat() {
      consume("fl");
      String val;
      if (eq(t(), "(")) {
        consume("(");
        val = unquote(tpp());
        consume(")");
      } else {
        val = unquote(tpp());
      }
      return Float.parseFloat(val);
    }
    
    void parseHashSet(unstructure_Receiver out) {
      consume("hashset");
      parseSet(new HashSet(), out);
    }
    
    void parseTreeSet(unstructure_Receiver out) {
      consume("treeset");
      parseSet(new TreeSet(), out);
    }
    
    void parseMap(unstructure_Receiver out) {
      parseMap(new TreeMap(), out);
    }
    
    Object parseJava() {
      String j = unquote(tpp());
      Matches m = new Matches();
      if (jmatch("java.awt.Color[r=*,g=*,b=*]", j, m))
        return nuObject("java.awt.Color", parseInt(m.unq(0)), parseInt(m.unq(1)), parseInt(m.unq(2)));
      else {
        warn("Unknown Java object: " + j);
        return null;
      }
    }
    
    void parseMap(final Map map, final unstructure_Receiver out) {
      consume("{");
      stack.add(new Runnable() {
        boolean v;
        Object key;
        
        public void run() { 
          if (v) {
            v = false;
            stack.add(this);
            consume("=");
            parse(new unstructure_Receiver() {
              void set(Object value) {
                map.put(key, value);
                if (debug)
                  print("parseMap: Got value " + getClassName(value) + ", next token: " + quote(t()));
                if (eq(t(), ",")) consume();
              }
            });
          } else {
            if (eq(t(), "}")) {
              consume("}");
              out.set(map);
            } else {
              v = true;
              stack.add(this);
              parse(new unstructure_Receiver() {
                void set(Object o) {
                  key = o;
                }
              });
            }
          } // if v else
        } // run()
      });
    }
    
    /*void parseSub(unstructure_Receiver out) {
      int n = l(stack);
      parse(out);
      while (l(stack) > n)
        stack
    }*/
    
    void consume() { curT = tok.next(); ++i; }
    
    void consume(String s) {
      if (!eq(t(), s)) {
        /*S prevToken = i-1 >= 0 ? tok.get(i-1) : "";
        S nextTokens = join(tok.subList(i, Math.min(i+2, tok.size())));
        fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");*/
        throw fail(quote(s) + " expected, got " + quote(t()));
      }
      consume();
    }
    
    void parse_x(unstructure_Receiver out) {
      consume(); // get first token
      parse(out);
      while (nempty(stack))
        popLast(stack).run();
    }
  }
  
  final Var v = new Var();
  X x = new X();
  x.parse_x(new unstructure_Receiver() {
    void set(Object o) { v.set(o); }
  });
  unstructure_tokrefs = x.tokrefs.size();
  return v.get();
}

static boolean unstructure_debug;
static List<AbstractButton> buttonsInGroup(ButtonGroup g) {
  if (g == null) return ll();
  return asList(g.getElements());
}
static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); }

static String hideCredentials(String url) {
  return url.replaceAll("([&?])_pass=[^&\\s\"]*", "$1_pass=<hidden>");
}
static String getSnippetTitleOpt(String s) {
  return isSnippetID(s) ? getSnippetTitle(s) : s;
}
static Rectangle defaultNewFrameBounds_r = new Rectangle(300, 100, 500, 400);

static Rectangle defaultNewFrameBounds() {
  return swing(new F0<Rectangle>() { Rectangle get() { try { 
    defaultNewFrameBounds_r.translate(60, 20);
    if (!screenRectangle().contains(defaultNewFrameBounds_r))
      defaultNewFrameBounds_r.setLocation(30+random(30), 20+random(20));
    return new Rectangle(defaultNewFrameBounds_r);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "defaultNewFrameBounds_r.translate(60, 20);\r\n    if (!screenRectangle().contains(..."; }});
}
static String exceptionToStringShort(Throwable e) {
  lastException(e);
  e = getInnerException(e);
  String msg = unnull(e.getMessage());
  if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
    return baseClassName(e) + ": " + msg;
  else
    return msg;
}
static boolean isTrue(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  if (o == null) return false;
  throw fail(getClassName(o));
}
static boolean startsWithIgnoreCase(String a, String b) {
  return a != null && a.regionMatches(true, 0, b, 0, b.length());
}
  static String format3(String pat, Object... args) {
    if (args.length == 0) return pat;
    
    List<String> tok = javaTokPlusPeriod(pat);
    int argidx = 0;
    for (int i = 1; i < tok.size(); i += 2)
      if (tok.get(i).equals("*"))
        tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null"));
    return join(tok);
  }
  
  static String format3_formatArg(Object arg) {
    if (arg == null) return "null";
    if (arg instanceof String) {
      String s = (String) arg;
      return isIdentifier(s) || isNonNegativeInteger(s) ? s : quote(s);
    }
    if (arg instanceof Integer || arg instanceof Long) return String.valueOf(arg);
    return quote(structure(arg));
  }
  

static <A> A callMain(A c, String... args) {
  callOpt(c, "main", new Object[] {args});
  return c;
}

static void callMain() {
  callMain(mc());
}
static <A> A getAndClearThreadLocal(ThreadLocal<A> tl) {
  A a = tl.get();
  tl.set(null);
  return a;
}
static JFrame renewFrame(final JFrame frame) {
  if (frame == null) return null;
  return (JFrame) swing(new Object() { Object get() { try { 
    Container content = frame.getContentPane();
    JFrame frame2 = makeFrame(frame.getTitle());
    frame2.setBounds(frame.getBounds());
    try { frame2.setIconImages(frame.getIconImages()); } catch (Throwable __e) { printStackTrace2(__e); }
    frame2.setDefaultCloseOperation(frame.getDefaultCloseOperation());
    for (WindowListener wl : frame.getWindowListeners())
      frame2.addWindowListener(wl);
    frame.setContentPane(new JPanel());
    frame2.setContentPane(content);
    frame2.setVisible(true);
    frame.dispose();
    return frame2;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Container content = frame.getContentPane();\r\n    JFrame frame2 = makeFrame(frame..."; }});
}
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)"; }});
}
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(String 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);
  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 String firstPartOfHelloString(String s) {
  int i = s.lastIndexOf('/');
  return i < 0 ? s : rtrim(s.substring(0, i));
}
static boolean isInteger(String s) {
  if (s == null) return false;
  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 String getStackTrace(Throwable throwable) {
  lastException(throwable);
  StringWriter writer = new StringWriter();
  throwable.printStackTrace(new PrintWriter(writer));
  return hideCredentials(writer.toString());
}
static <A> A last(List<A> l) {
  return empty(l) ? null : l.get(l.size()-1);
}

static char last(String s) {
  return empty(s) ? '#' : s.charAt(l(s)-1);
}

static int last(int[] a) {
  return l(a) != 0 ? a[l(a)-1] : 0;
}
static boolean isFalse(Object o) {
  return eq(false, o);
}
static boolean forbiddenPort(int port) {
  return port == 5037; // adb
}

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.repa..."; }}); }
}
// This is made for NL parsing.
// It's javaTok extended with "..." token, "$n" and "#n" and
// special quotes (which are converted to normal ones).

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

    // scan for non-whitespace
    if (c == '\u201C' || c == '\u201D') c = '"'; // normalize quotes
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        char _c = s.charAt(j);
        if (_c == '\u201C' || _c == '\u201D') _c = '"'; // normalize quotes
        if (_c == opener) {
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
      if (j-1 >= i+1) {
        tok.add(opener + s.substring(i+1, j-1) + opener);
        i = j;
        continue;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for things like "this one's"
    else if (Character.isDigit(c))
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    else if (cc.equals("[[")) {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (cc.equals("[=") && 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 if (s.substring(j, Math.min(j+3, l)).equals("..."))
      j += 3;
    else if (c == '$' || c == '#')
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    else
      ++j;

    tok.add(s.substring(i, j));
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}

static String sendToLocalBotQuietly(String bot, String text, Object... args) {
  text = format3(text, args);
  
  DialogIO channel = newFindBot2(bot);
  if (channel == null)
    throw fail(quote(bot) + " not found");
  try {
    channel.readLine();
    channel.sendLine(text);
    String s = channel.readLine();
    return s;
  } catch (Throwable e) {
    e.printStackTrace();
    return null;
  } finally {
    channel.close();
  }
}

static String sendToLocalBotQuietly(int port, String text, Object... args) {
  text = format3(text, args);
  DialogIO channel = talkTo(port);
  try {
    channel.readLine();
    channel.sendLine(text);
    String s = channel.readLine();
    return s;
  } catch (Throwable e) {
    e.printStackTrace();
    return null;
  } finally {
    if (channel != null)
      channel.close();
  }
}
static String[] drop(int n, String[] a) {
  n = Math.min(n, a.length);
  String[] b = new String[a.length-n];
  System.arraycopy(a, n, b, 0, b.length);
  return b;
}

static Object[] drop(int n, Object[] a) {
  n = Math.min(n, a.length);
  Object[] b = new Object[a.length-n];
  System.arraycopy(a, n, b, 0, b.length);
  return b;
}
static File loadDataSnippetToFile(String snippetID) { try {
  snippetID = fsI(snippetID);
  File f = DiskSnippetCache_file(parseSnippetID(snippetID));
  try {
    URL url = new URL(dataSnippetLink(snippetID));
    print("Loading library: " + hideCredentials(url));
    try {
      loadBinaryPageToFile(openConnection(url), f);
      if (fileSize(f) == 0) throw fail();
    } catch (Throwable _e) {
      url = new URL("http://tinybrain.de/blobs/" // TODO: should be data.tinybrain.de
        + psI(snippetID));
      print("Trying other server: " + hideCredentials(url));
      loadBinaryPageToFile(openConnection(url), f);
      print("Got bytes: " + fileSize(f));
    }
    // TODO: check if we hit the "LOADING" message
    if (fileSize(f) == 0) throw fail();
    System.err.println("Bytes loaded: " + fileSize(f));
  } catch (Throwable e) {
    printStackTrace(e);
    throw fail("Binary snippet " + snippetID + " not found or not public");
  }
  return f;
} catch (Exception __e) { throw rethrow(__e); } }
static List<ProgramScan.Program> quickBotScan() {
  return ProgramScan.quickBotScan();
}

static List<ProgramScan.Program> quickBotScan(int[] preferredPorts) {
  return ProgramScan.quickBotScan(preferredPorts);
}

static List<ProgramScan.Program> quickBotScan(String searchPattern) {
  List<ProgramScan.Program> l = new ArrayList<ProgramScan.Program>();
  for (ProgramScan.Program p : ProgramScan.quickBotScan())
    if (indexOfIgnoreCase(p.helloString, searchPattern) == 0)
      l.add(p);
  return l;
}

static void standardTitlePopupMenu(final JFrame frame) {
  // standard right-click behavior on titles
  if (isSubstanceLAF())
    titlePopupMenu(frame,
      new Object() { void get(JPopupMenu menu) { try { 
        boolean alwaysOnTop = frame.isAlwaysOnTop();
        menu.add(jmenuItem("Restart Program", "restart"));
        menu.add(jmenuItem("Duplicate Program", "duplicateThisProgram"));
        menu.add(jmenuItem("Show Console", "showConsole"));
        menu.add(jCheckBoxMenuItem("Always On Top", alwaysOnTop, new Runnable() { public void run() { try { 
          toggleAlwaysOnTop(frame) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "toggleAlwaysOnTop(frame)"; }}));
        menu.add(jMenuItem("Shoot Window", new Runnable() { public void run() { try {  shootWindowGUI_external(frame, 500) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "shootWindowGUI_external(frame, 500)"; }}));
       } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "bool alwaysOnTop = frame.isAlwaysOnTop();\r\n        menu.add(jmenuItem(\"Restart P..."; }});
}

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

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

static String makeRandomID(int length) {
  Random random = new Random();
  char[] id = new char[length];
  for (int i = 0; i < id.length; i++)
    id[i] = (char) ((int) 'a' + random.nextInt(26));
  return new String(id);
}
static boolean headless() {
  return isHeadless();
}
static Map synchroHashMap() {
  return Collections.synchronizedMap(new HashMap());
}

static Runnable _topLevelErrorHandling(final Runnable runnable) {
  return new Runnable() { public void run() { try {  try { runnable.run(); } catch (Throwable __e) { printStackTrace2(__e); } 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "pcall { runnable.run(); }"; }};
}
static File DiskSnippetCache_file(long snippetID) {
  return new File(getGlobalCache(), "data_" + snippetID + ".jar");
}
  
  // Data files are immutable, use centralized cache
public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
  File file = DiskSnippetCache_file(snippetID);
  return file.exists() ? file : null;
}

public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
  saveBinaryFile(DiskSnippetCache_file(snippetID), data);
}

static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
  byte[] data;
  try {
    URL url = new URL("http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_"
      + parseSnippetID(snippetID) + "&contentType=application/binary");
    System.err.println("Loading library: " + url);
    try {
      data = loadBinaryPage(url.openConnection());
    } catch (RuntimeException e) {
      data = null;
    }
    
    if (data == null || data.length == 0) {
      url = new URL("http://data.tinybrain.de/blobs/"
        + parseSnippetID(snippetID));
      System.err.println("Loading library: " + url);
      data = loadBinaryPage(url.openConnection());
    }
    System.err.println("Bytes loaded: " + data.length);
  } catch (FileNotFoundException e) {
    throw new IOException("Binary snippet #" + snippetID + " not found or not public");
  }
  return data;
}
static void lock(Lock lock) { try {
  lock.lockInterruptibly();
} 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 boolean isSubtypeOf(Class a, Class b) {
  return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
static DialogIO talkTo(int port) {
  return talkTo("localhost", port);
}

static int talkTo_defaultTimeout = 10000; // This is the CONNECT timeout
static int talkTo_timeoutForReads = 0; // Timeout waiting for answers (0 = no timeout)

static ThreadLocal<Map<String, DialogIO>> talkTo_byThread = new ThreadLocal();

static DialogIO talkTo(String ip, int port) { try {
  String full = ip + ":" + port;
  Map<String, DialogIO> map = talkTo_byThread.get();
  if (map != null && map.containsKey(full)) return map.get(full);
  
  if (isLocalhost(ip) && port == vmPort()) return talkToThisVM();

  return new talkTo_IO(ip, port);
} catch (Exception __e) { throw rethrow(__e); } }

static class talkTo_IO extends DialogIO { 
  String ip;
  int port;
  Socket s;
  Writer w;
  BufferedReader in;
  
  talkTo_IO(String ip, int port) {
  this.port = port;
  this.ip = ip; try {
    s = new Socket();
    try {
      if (talkTo_timeoutForReads != 0)
        s.setSoTimeout(talkTo_timeoutForReads);
      s.connect(new InetSocketAddress(ip, port), talkTo_defaultTimeout);
    } catch (Throwable e) {
      throw fail("Tried talking to " + ip + ":" + port, e);
    }
  
    w = new OutputStreamWriter(s.getOutputStream(), "UTF-8");
    in = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));
  } catch (Exception __e) { throw rethrow(__e); } }
  
  boolean isLocalConnection() {
    return s.getInetAddress().isLoopbackAddress();
  }
  
  boolean isStillConnected() {
    return !(eos || s.isClosed());
  }
  
  void sendLine(String line) { try {
    w.write(line + "\n");
    w.flush();
  } catch (Exception __e) { throw rethrow(__e); } }
  
  String readLineImpl() { try {
    return in.readLine();
  } catch (Exception __e) { throw rethrow(__e); } }
  
  void close() {
    try {
      if (!noClose) s.close();
    } catch (IOException e) {
      // whatever
    }
  }
  
  Socket getSocket() {
    return s;
  }
}
static boolean isJavaIdentifier(String s) {
  if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0)))
    return false;
  for (int i = 1; i < s.length(); i++)
    if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
  return true;
}
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 = (Map) synchroMap(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 <A extends Component> A setFrameTitle(A c, String title) {
  JFrame f = getFrame(c);
  if (f == null)
    showFrame(title, c);
  else
    f.setTitle(title);
  return c;
}

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

// magically find a field called "frame" in main class :-)
static JFrame setFrameTitle(String title) {
  Object f = getOpt(mc(), "frame");
  if (f instanceof JFrame)
    return setFrameTitle((JFrame) f, title);
  return null;
}
static void setConsoleFrame(JFrame frame) {
   setOpt(get(getJavaX(), "console"), "frame", frame);
}
  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }
static String _userHome;
static String userHome() {
  if (_userHome == null) {
    if (isAndroid())
      _userHome = "/storage/sdcard0/";
    else
      _userHome = System.getProperty("user.home");
    //System.out.println("userHome: " + _userHome);
  }
  return _userHome;
}

static File userHome(String path) {
  return new File(userDir(), path);
}
static <A> ArrayList<A> litlist(A... a) {
  return new ArrayList<A>(Arrays.asList(a));
}
static List<Class> getClasses(Object[] array) {
  List<Class> l = new ArrayList();
  for (Object o : array) l.add(_getClass(o));
  return l;
}
static String programTitle() {
  return getProgramName();
}
// works on lists and strings and null

static int indexOfIgnoreCase(Object a, Object b) {
  if (a == null) return -1;
  if (a instanceof String) {
     Matcher m = Pattern.compile((String) b, Pattern.CASE_INSENSITIVE + Pattern.LITERAL).matcher((String) a);
     if (m.find()) return m.start(); else return -1;
  }
  if (a instanceof List) {
    for (int i = 0; i < ((List) a).size(); i++) {
      Object o = ((List) a).get(i);
      if (o != null && ((String) o).equalsIgnoreCase((String) b))
        return i;
    }
    return -1;
  }
  throw fail("Unknown type: " + a);
}
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 String getLookAndFeel() {
  return getClassName(UIManager.getLookAndFeel());
}
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 neq(Object a, Object b) {
  return !eq(a, b);
}
static List<Object> getMultiPorts() {
  return (List) callOpt(getJavaX(), "getMultiPorts");
}
static String emptyToNull(String s) {
  return eq(s, "") ? null : s;
}
static long fileSize(String path) { return getFileSize(path); }
static long fileSize(File f) { return getFileSize(f); }

static int indent_default = 2;

static String indent(int indent) {
  return repeat(' ', indent);
}

static String indent(int indent, String s) {
  return indent(repeat(' ', indent), s);
}

static String indent(String indent, String s) {
  return indent + s.replace("\n", "\n" + indent);
}

static String indent(String s) {
  return indent(indent_default, s);
}

static List<String> indent(String indent, List<String> lines) {
  List<String> l = new ArrayList();
  for (String s : lines)
    l.add(indent + s);
  return l;
}
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 Throwable innerException(Throwable e) {
  return getInnerException(e);
}
static String repeat(char c, int n) {
  n = Math.max(n, 0);
  char[] chars = new char[n];
  for (int i = 0; i < n; i++)
    chars[i] = c;
  return new String(chars);
}

static <A> List<A> repeat(A a, int n) {
  List<A> l = new ArrayList(n);
  for (int i = 0; i < n; i++)
    l.add(a);
  return l;
}

static <A> List<A> repeat(int n, A a) {
  return repeat(a, n);
}
static Dimension getScreenSize() {
  return Toolkit.getDefaultToolkit().getScreenSize();
}
static Class<?> hotwire(String src) {
  assertFalse(_inCore());
  Class j = getJavaX();
  if (isAndroid()) {
    synchronized(j) { // hopefully this goes well...
      List<File> libraries = new ArrayList<File>();
      File srcDir = (File) call(j, "transpileMain", src, libraries);
      if (srcDir == null)
        throw fail("transpileMain returned null (src=" + quote(src) + ")");
    
      Object androidContext = get(j, "androidContext");
      return (Class) call(j, "loadx2android", srcDir, src);
    }
  } else {
    // ret hotwire_overInternalBot(src);
    Class c = (Class) ( call(j, "hotwire", src));
    hotwire_copyOver(c);
    return c;
  }
}
  public static String loadTextFile(String fileName) {
    return loadTextFile(fileName, null);
  }
  
  public static String loadTextFile(File fileName, String defaultContents) {
    ping();
    try {
      if (fileName == null || !fileName.exists())
        return defaultContents;
  
      FileInputStream fileInputStream = new FileInputStream(fileName);
      InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
      return loadTextFile(inputStreamReader);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  public static String loadTextFile(File fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(String fileName, String defaultContents) {
    return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents);
  }
  
  public static String loadTextFile(Reader reader) throws IOException {
    StringBuilder builder = new StringBuilder();
    try {
      char[] buffer = new char[1024];
      int n;
      while (-1 != (n = reader.read(buffer)))
        builder.append(buffer, 0, n);
        
    } finally {
      reader.close();
    }
    return builder.toString();
  }
static List<String> dropPunctuation_keep = litlist("*", "<", ">");

static List<String> dropPunctuation(List<String> tok) {
  tok = new ArrayList<String>(tok);
  for (int i = 1; i < tok.size(); i += 2) {
    String t = tok.get(i);
    if (t.length() == 1 && !Character.isLetter(t.charAt(0)) && !Character.isDigit(t.charAt(0)) && !dropPunctuation_keep.contains(t)) {
      tok.set(i-1, tok.get(i-1) + tok.get(i+1));
      tok.remove(i);
      tok.remove(i);
      i -= 2;
    }
  }
  return tok;
}

static String dropPunctuation(String s) {
  return join(dropPunctuation(nlTok(s)));
}
static String dropSuffix(String suffix, String s) {
  return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
// start multi-port if none exists in current VM.
static void startMultiPort() {
  List mp = getMultiPorts();
  if (mp != null && mp.isEmpty()) {
    nohupJavax("#1001639");
    throw fail("Upgrading JavaX, please restart this program afterwards.");
    //callMain(hotwire("#1001672"));
  }
}
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(String a, String b, Matches m) {
    if (!startsWith(a, b)) return false;
    m.m = new String[] {substring(a, l(b))};
    return true;
  }


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 <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 Map<String, Integer> newFindBot2_cache = synchroHashMap();
static boolean newFindBot2_verbose;

static DialogIO newFindBot2(String name) {
  Integer port = newFindBot2_cache.get(name);
  if (port != null) {
    if (newFindBot2_verbose)
      print("newFindBot2: testing " + name + " => " + port);
    DialogIO io = talkTo(port);
    String q = format("has bot *", name);
    String s = io.ask(q);
    if (match("yes", s)) {
      io = talkToSubBot(name, io);
      call(io, "pushback", "?"); // put some hello string in (yes, this should be improved.)
      return io;
    }
    // bot not there anymore - remove cache entry
    newFindBot2_cache.remove(name);
    if (newFindBot2_verbose)
      print("newFindBot2: dropping " + name + " => " + port);
  }
  
  DialogIO io = findBot(name);
  if (io != null) {
    newFindBot2_cache.put(name, io.getPort());
    if (newFindBot2_verbose)
      print("newFindBot2: remembering " + name + " => " + port);
  }
  return io;
}
static <A, B> Map<A, B> newWeakHashMap() {
  return _registerWeakMap(synchroMap(new WeakHashMap()));
}
static Thread currentThread() {
  return Thread.currentThread();
}
static byte[] hexToBytes(String s) {
  int n = l(s) / 2;
  byte[] bytes = new byte[n];
  for (int i = 0; i < n; i++) {
    String hex = substring(s, i*2, i*2+2);
    try {
      bytes[i] = (byte) parseHexByte(hex);
    } catch (Throwable _e) {
      throw fail("Bad hex byte: " + quote(hex) + " at " + i*2 + "/" + l(s));
    }
  }
  return bytes;
}
static HashMap<Class,Constructor> nuEmptyObject_cache = new HashMap();

static <A> A nuEmptyObject(Class<A> c) { try {
  Constructor ctr;
  
  synchronized(nuEmptyObject_cache) {
    ctr = nuEmptyObject_cache.get(c);
    if (ctr == null) {
      nuEmptyObject_cache.put(c, ctr = nuEmptyObject_findConstructor(c));
      ctr.setAccessible(true);
    }
  }

  return (A) ctr.newInstance();
} catch (Exception __e) { throw rethrow(__e); } }

static Constructor nuEmptyObject_findConstructor(Class c) {
  for (Constructor m : c.getDeclaredConstructors())
    if (m.getParameterTypes().length == 0)
      return m;
  throw fail("No default constructor declared in " + c.getName());
}

static String getType(Object o) {
  return getClassName(o);
}
static boolean setOptAllDyn_debug;

static void setOptAllDyn(DynamicObject o, Map<String, Object> fields) {
  if (fields == null) return;
  for (String field : keys(fields)) {
    Object val = fields.get(field);
    boolean has = hasField(o, field);
    if (has)
      setOpt(o, field, val);
    else {
      o.fieldValues.put(field.intern(), val);
      if (setOptAllDyn_debug) print("setOptAllDyn added dyn " + field + " to " + o + " [value: " + val + ", fieldValues = " + systemHashCode(o.fieldValues) + ", " + struct(keys(o.fieldValues)) + "]");
    }
  }
}
static String unnull(String s) {
  return s == null ? "" : s;
}

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


static boolean structure_isMarker(String s, int i, int j) {
  if (i >= j) return false;
  if (s.charAt(i) != 'm') return false;
  ++i;
  while (i < j) {
    char c = s.charAt(i);
    if (c < '0' || c > '9') return false;
    ++i;
  }
  return true;
}
static Object newObject(Class c, Object... args) {
  return nuObject(c, args);
}

static Object newObject(String className, Object... args) {
  return nuObject(className, args);
}

// menuMaker = voidfunc(JPopupMenu)
static void titlePopupMenu(final Component c, final Object menuMaker) {
  swingNowOrLater(new Runnable() { public void run() { try { 
    if (!isSubstanceLAF())
      print("Can't add title right click!");
    else {
      JComponent titleBar = getTitlePaneComponent(getFrame(c));
      componentPopupMenu(titleBar, menuMaker);
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!isSubstanceLAF())\r\n      print(\"Can't add title right click!\");\r\n    else {..."; }});
}
static int vmPort() {
  return myVMPort();
}
static void duplicateThisProgram() {
  nohupJavax(trim(programID() + " " + smartJoin((String[]) get(getJavaX(), "fullArgs"))));
}
static <A> List<A> subList(List<A> l, int startIndex) {
  return subList(l, startIndex, l(l));
}

static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
  startIndex = max(0, min(l(l), startIndex));
  endIndex = max(0, min(l(l), endIndex));
  if (startIndex > endIndex) return litlist();
  return l.subList(startIndex, endIndex);
}


static File getGlobalCache() {
  File file = new File(javaxCachesDir(), "Binary Snippets");
  file.mkdirs();
  return file;
}

static void lockOrFail(Lock lock, long timeout) { try {
  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);
  }
} catch (Exception __e) { throw rethrow(__e); } }
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 boolean jmatch(String pat, String s) {
  return jmatch(pat, s, null);
}

static boolean jmatch(String pat, String s, Matches matches) {
  if (s == null) return false;
  return jmatch(pat, javaTok(s), matches);
}

static boolean jmatch(String pat, List<String> toks) {
  return jmatch(pat, toks, null);
}

static boolean jmatch(String pat, List<String> toks, Matches matches) {
  List<String> tokpat = javaTok(pat);
  String[] m = match2(tokpat, toks);
  //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
  if (m == null)
    return false;
  else {
    if (matches != null) matches.m = m;
    return true;
  }
}
static boolean isNonNegativeInteger(String s) {
  return s != null && Pattern.matches("\\d+", s);
}
static URLConnection openConnection(URL url) { try {
  ping();
  callOpt(javax(), "recordOpenURLConnection", str(url));
  return url.openConnection();
} catch (Exception __e) { throw rethrow(__e); } }
static long psI(String snippetID) {
  return parseSnippetID(snippetID);
}
static Producer<String> javaTokC_noMLS_iterator(final String s) {
  return new Producer<String>() {
    final int l = s.length();
    int i = 0;
    
    public String next() {
      if (i >= l) return null;
      
      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;
      }
      
      i = j;
      if (i >= l) return null;
      c = s.charAt(i);
      d = i+1 >= l ? '\0' : s.charAt(i+1);
  
      // scan for non-whitespace
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
            ++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
        ++j;
        
      String t = quickSubstring(s, i, j);
      i = j;
      return t;
    }
  };
}

static boolean warn_on = true;

static void warn(String s) {
  if (warn_on)
    print("Warning: " + s);
}

static void warn(String s, List<String> warnings) {
  warn(s);
  if (warnings != null)
    warnings.add(s);
}
static File newFile(File base, String... names) {
  for (String name : names) base = new File(base, name);
  return base;
}

static File newFile(String name) {
  return name == null ? null : new File(name);
}
  /** writes safely (to temp file, then rename) */
  public static void saveBinaryFile(String fileName, byte[] contents) throws IOException {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    FileOutputStream fileOutputStream = newFileOutputStream(tempFileName);
    fileOutputStream.write(contents);
    fileOutputStream.close();
    if (file.exists() && !file.delete())
      throw new IOException("Can't delete " + fileName);

    if (!new File(tempFileName).renameTo(file))
      throw new IOException("Can't rename " + tempFileName + " to " + fileName);
  }

  static void saveBinaryFile(File fileName, byte[] contents) {
    try {
      saveBinaryFile(fileName.getPath(), contents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
static Random random_random = new Random();

static int random(int n) {
  return n <= 0 ? 0 : random_random.nextInt(n);
}

static double random(double max) {
  return random()*max;
}

static double random() {
  return random_random.nextInt(100001)/100000.0;
}

static double random(double min, double max) {
  return min+random()*(max-min);
}

// min <= value < max
static int random(int min, int max) {
  return min+random(max-min);
}

static <A> A random(List<A> l) {
  return oneOf(l);
}

static <A> A random(Collection<A> c) {
  if (c instanceof List) return random((List<A>) c);
  int i = random(l(c));
  return collectionGet(c, i);
}
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 ReentrantLock fairLock() {
  return new ReentrantLock(true);
}
static void setOptAll(Object o, Map<String, Object> fields) {
  if (fields == null) return;
  for (String field : keys(fields))
    setOpt(o, field, fields.get(field));
}

static void setOptAll(Object o, Object... values) {
  //values = expandParams(c.getClass(), values);
  warnIfOddCount(values);
  for (int i = 0; i+1 < l(values); i += 2) {
    String field = (String) values[i];
    Object value = values[i+1];
    setOpt(o, field, value);
  }
}
static char unquoteCharacter(String s) {
  assertTrue(s.startsWith("'") && s.length() > 1);
  return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length()-1 : s.length()) + "\"").charAt(0);
}
static Producer<String> javaTokC_noMLS_onReader(final BufferedReader r) {
  final class X implements Producer<String> {
    StringBuilder buf = new StringBuilder(); // stores from "i"
    char c, d, e = 'x'; // just not '\0'
    
    X() {
      // fill c, d and e
      nc();
      nc();
      nc();
    }
    
    // get next character(s) into c, d and e
    void nc() { try {
      c = d;
      d = e;
      if (e == '\0') return;
      int i = r.read();
      e = i < 0 ? '\0' : (char) i;
    } catch (Exception __e) { throw rethrow(__e); } }
    
    void ncSave() {
      if (c != '\0') {
        buf.append(c);
        nc();
      }
    }
    
    public String next() {
      // scan for whitespace
      while (c != '\0') {
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          nc();
        else if (c == '/' && d == '*') {
          do nc(); while (c != '\0' && !(c == '*' && d == '/'));
          nc(); nc();
        } else if (c == '/' && d == '/') {
          do nc(); while (c != '\0' && "\r\n".indexOf(c) < 0);
        } else
          break;
      }
      
      if (c == '\0') return null;

      // scan for non-whitespace
      if (c == '\'' || c == '"') {
        char opener = c;
        ncSave();
        while (c != '\0') {
          if (c == opener || c == '\n') { // end at \n to not propagate unclosed string literal errors
            ncSave();
            break;
          } else if (c == '\\') {
            ncSave();
            ncSave();
          } else
            ncSave();
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ncSave(); while (Character.isJavaIdentifierPart(c) || c == '\''); // for stuff like "don't"
      else if (Character.isDigit(c)) {
        do ncSave(); while (Character.isDigit(c));
        if (c == 'L') ncSave(); // Long constants like 1L
      } else
        ncSave();
        
      String t = buf.toString();
      buf.setLength(0);
      return t;
    }
  }
  
  return new X();
}

static List<String> nlTok(String s) {
  return javaTokPlusPeriod(s);
}
static Field setOpt_findField(Class c, String field) {
  HashMap<String, Field> map;
  synchronized(getOpt_cache) {
    map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
  }
  return map.get(field);
}

static void setOpt(Object o, String field, Object value) { try {
  if (o == null) return;
  
  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) {
      setOpt((Class) o, field, value);
      return;
    }
    
    // It's probably a subclass of Map. Use raw method
    setOpt_raw(o, field, value);
    return;
  }
  
  Field f = map.get(field);
  if (f != null)
    smartSet(f, o, value); // possible improvement: skip setAccessible
} catch (Exception __e) { throw rethrow(__e); } }

static void setOpt(Class c, String field, Object value) {
  if (c == null) return;
  try {
    Field f = setOpt_findStaticField(c, field);
    if (f != null)
      smartSet(f, null, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
  
static Field setOpt_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static <A> A popLast(List<A> l) {
  return liftLast(l);
}
static String dataSnippetLink(String snippetID) {
  long id = parseSnippetID(snippetID);
  if (id >= 1200000 && id < 1300000) {
    String pw = muricaPassword();
    if (empty(pw)) throw fail("Please set 'murica password by running #1008829");
    return "http://ai1.lol/1008823/raw/" + id + "?_pass=" + pw; // XXX, although it typically gets hidden when printing
  } else
    return "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_"
      + id + "&contentType=application/binary";
}
static <A> A nuStubInnerObject(Class<A> c) { try {
  Class outerType = getOuterClass(c);
  Constructor m = c.getDeclaredConstructor(outerType);
  m.setAccessible(true);
  return (A) m.newInstance(new Object[] {null});
} catch (Exception __e) { throw rethrow(__e); } }
static volatile Throwable lastException_lastException;

static Throwable lastException() {
  return lastException_lastException;
}

static void lastException(Throwable e) {
  lastException_lastException = e;
}
static boolean[] boolArrayFromBytes(byte[] a, int n) {
  boolean[] b = new boolean[n];
  int m = min(n, l(a)*8);
  for (int i = 0; i < m; i++)
    b[i] = (a[i/8] & 1 << (i & 7)) != 0;
  return b;
}
static long getFileSize(String path) {
  return path == null ? 0 : new File(path).length();
}

static long getFileSize(File f) {
  return f == null ? 0 : f.length();
}
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 dropPrefix(String prefix, String s) {
  return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
}
static boolean isSubstanceLAF() {
  return substanceLookAndFeelEnabled();
}
static JMenuItem jmenuItem(String text, final Object r) {
  JMenuItem mi = new JMenuItem(text);
  mi.addActionListener(actionListener(r));
  return mi;
}
static HashMap<String,Class> findClass_cache = new HashMap();

// currently finds only inner classes of class "main"
// returns null on not found
// this is the simple version that is not case-tolerant
static Class findClass(String name) {
  synchronized(findClass_cache) {
    if (findClass_cache.containsKey(name))
      return findClass_cache.get(name);
      
    if (!isJavaIdentifier(name)) return null;
    
    Class c;
    try {
      c = Class.forName("main$" + name);
    } catch (ClassNotFoundException e) {
      c = null;
    }
    findClass_cache.put(name, c);
    return c;
  }
}
static float parseFloat(String s) {
  return Float.parseFloat(s);
}
static boolean _inCore() {
  return false;
}
static DialogIO talkToThisVM() {
  return new talkToThisVM_IO();
}

static class talkToThisVM_IO extends DialogIO { 
  List<String> answers = ll(thisVMGreeting());
  
  boolean isLocalConnection() { return true; }
  boolean isStillConnected() { return true; }
  int getPort() { return vmPort(); }
  
  void sendLine(String line) {
    answers.add(or2(sendToThisVM_newThread(line), "?"));
  }
  
  String readLineImpl() { try {
    return popFirst(answers);
  } catch (Exception __e) { throw rethrow(__e); } }
  
  void close() {}
  Socket getSocket() { return null; }
}
static void assertTrue(Object o) {
  assertEquals(true, 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 boolean isLongConstant(String s) {
  if (!s.endsWith("L")) return false;
  s = s.substring(0, l(s)-1);
  return isInteger(s);
}
static String baseClassName(String className) {
  return substring(className, className.lastIndexOf('.')+1);
}

static String baseClassName(Object o) {
  return baseClassName(getClassName(o));
}
static String internIfLongerThan(String s, int l) {
  return s == null ? null : l(s) >= l ? s.intern() : s;
}
static void pcallOpt_noArgs(Object o, String method) {
  try { callOpt_noArgs(o, method); } catch (Throwable __e) { printStackTrace2(__e); }
}
static void restart() {
  Object j = getJavaX();
  call(j, "cleanRestart", get(j, "fullArgs"));
}
static long parseLong(String s) {
  if (s == null) return 0;
  return Long.parseLong(dropSuffix("L", s));
}

static long parseLong(Object s) {
  return Long.parseLong((String) s);
}
static <A> List<A> ll(A... a) {
  return litlist(a);
}
static boolean isIdentifier(String s) {
  return isJavaIdentifier(s);
}
static String getSnippetTitle(String id) { try {
  if (id == null) return null;
  if (!isSnippetID(id)) return "?";
  long parsedID = parseSnippetID(id);
  String url;
  if (isImageServerSnippet(parsedID))
    url = "http://ai1.lol/images/raw/title/" + parsedID;
  else
    url = tb_mainServer() + "/tb-int/getfield.php?id=" + parsedID + "&field=title" + standardCredentials();
  return trim(loadPageSilently(url));
} catch (Exception __e) { throw rethrow(__e); } }

static String getSnippetTitle(long id) {
  return getSnippetTitle(fsI(id));
}

static void loadBinaryPageToFile(String url, File file) { try {
  print("Loading " + url);
  loadBinaryPageToFile(openConnection(new URL(url)), file);
} catch (Exception __e) { throw rethrow(__e); } }

static void loadBinaryPageToFile(URLConnection con, File file) { try {
  setHeaders(con);
  loadBinaryPageToFile_noHeaders(con, file);
} catch (Exception __e) { throw rethrow(__e); } }

static void loadBinaryPageToFile_noHeaders(URLConnection con, File file) { try {
  File ftemp = new File(f2s(file) + "_temp");
  FileOutputStream buf = newFileOutputStream(mkdirsFor(ftemp));
  InputStream inputStream = con.getInputStream();
  try {
    long len = 0;
    try { len = con.getContentLengthLong(); } catch (Throwable e) { printStackTrace(e); }
    int n = 0;
    while (true) {
      int ch = inputStream.read();
      if (ch < 0)
        break;
      buf.write(ch);
      if (++n % 100000 == 0)
        println("  " + n + (len != 0 ? "/" + len : "") + " bytes loaded.");
    }
    buf.close();
    buf = null;
    file.delete();
    ftemp.renameTo(file);
    inputStream.close();
  } finally {
    if (buf != null) buf.close();
  }
} catch (Exception __e) { throw rethrow(__e); } }

static void hotwire_copyOver(Class c) {
  synchronized(StringBuffer.class) {
    for (String field : litlist("print_log", "print_silent", "androidContext")) {
      Object o = getOpt(mc(), field);
      if (o != null)
        setOpt(c, field, o);
    }
      
    Object mainBot = getMainBot();
    if (mainBot != null)
      setOpt(c, "mainBot", mainBot);

    setOpt(c, "creator_class", new WeakReference(mc()));
  }
}
static JCheckBoxMenuItem jCheckBoxMenuItem(String text, boolean checked, final Object r) {
  JCheckBoxMenuItem mi = new JCheckBoxMenuItem(text, checked);
  mi.addActionListener(actionListener(r));
  return mi;
}
static int[] toIntArray(List<Integer> l) {
  int[] a = new int[l(l)];
  for (int i = 0; i < a.length; i++)
    a[i] = l.get(i);
  return a;
}
static void printStructure(String prefix, Object o) {
  if (endsWithLetter(prefix)) prefix += ": ";
  print(prefix + structureForUser(o));
}

static void printStructure(Object o) {
  print(structureForUser(o));
}

static boolean eqOneOf(Object o, Object... l) {
  for (Object x : l) if (eq(o, x)) return true; return false;
}
static JMenuItem jMenuItem(String text, Object r) {
  return jmenuItem(text, r);
}
static Rectangle screenRectangle() {
  return new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
}

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

static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
  return Collections.synchronizedMap(map);
}
static void assertFalse(Object o) {
  assertEquals(false, o);
}
  
static boolean assertFalse(boolean b) {
  if (b) throw fail("oops");
  return b;
}

static boolean assertFalse(String msg, boolean b) {
  if (b) throw fail(msg);
  return b;
}

static double parseDouble(String s) {
  return Double.parseDouble(s);
}
static void toggleAlwaysOnTop(JFrame frame) {
  frame.setAlwaysOnTop(!frame.isAlwaysOnTop());
}
static void shootWindowGUI_external(JFrame frame) {
  call(hotwireOnce("#1007178"), "shootWindowGUI", frame);
}

static void shootWindowGUI_external(final JFrame frame, int delay) {
  call(hotwireOnce("#1007178"), "shootWindowGUI", frame, delay);
}

static byte[] loadBinaryPage(String url) { try {
  print("Loading " + url);
  return loadBinaryPage(loadPage_openConnection(new URL(url)));
} catch (Exception __e) { throw rethrow(__e); } }

static byte[] loadBinaryPage(URLConnection con) { try {
  setHeaders(con);
  return loadBinaryPage_noHeaders(con);
} catch (Exception __e) { throw rethrow(__e); } }

static byte[] loadBinaryPage_noHeaders(URLConnection con) { try {
  ByteArrayOutputStream buf = new ByteArrayOutputStream();
  InputStream inputStream = con.getInputStream();
  long len = 0;
  try { len = con.getContentLengthLong(); } catch (Throwable e) { printStackTrace(e); }
  int n = 0;
  while (true) {
    int ch = inputStream.read();
    if (ch < 0)
      break;
    buf.write(ch);
    if (++n % 100000 == 0)
      println("  " + n + (len != 0 ? "/" + len : "") + " bytes loaded.");
  }
  inputStream.close();
  return buf.toByteArray();
} catch (Exception __e) { throw rethrow(__e); } }

static boolean structure_showTiming, structure_checkTokenCount;

static String structure(Object o) {
  return structure(o, new structure_Data());
}

static String structure(Object o, structure_Data d) {
  StringWriter sw = new StringWriter();
  d.out = new PrintWriter(sw);
  structure_go(o, d);
  String s = str(sw);
  if (structure_checkTokenCount) {
    print("token count=" + d.n);
    assertEquals("token count", l(javaTokC(s)), d.n);
  }
  return s;
}

static void structure_go(Object o, structure_Data d) {
  structure_1(o, d);
  while (nempty(d.stack))
    popLast(d.stack).run();
}

static void structureToPrintWriter(Object o, PrintWriter out) {
  structure_Data d = new structure_Data();
  d.out = out;
  structure_go(o, d);
}

// leave to false, unless unstructure() breaks
static boolean structure_allowShortening = false;

static class structure_Data {
  PrintWriter out;
  int stringSizeLimit;
  int shareStringsLongerThan = 20;
  boolean noStringSharing;

  IdentityHashMap<Object,Integer> seen = new IdentityHashMap();
  //new BitSet refd;
  HashMap<String,Integer> strings = new HashMap();
  HashSet<String> concepts = new HashSet();
  HashMap<Class, List<Field>> fieldsByClass = new HashMap();
  int n; // token count
  List<Runnable> stack = new ArrayList();
  
  // append single token
  structure_Data append(String token) { out.print(token); ++n; return this; }
  structure_Data append(int i) { out.print(i); ++n; return this; }
  
  // append multiple tokens
  structure_Data append(String token, int tokCount) { out.print(token); n += tokCount; return this; }
  
  // extend last token
  structure_Data app(String token) { out.print(token); return this; }
  structure_Data app(int i) { out.print(i); return this; }
}

static void structure_1(final Object o, final structure_Data d) {
  if (o == null) { d.append("null"); return; }
  
  Class c = o.getClass();
  boolean concept = false;
  
  List<Field> lFields = d.fieldsByClass.get(c);
  
  if (lFields == null) {
    // these are never back-referenced (for readability)
    
    if (o instanceof Number) {
      PrintWriter out = d.out;
if (o instanceof Integer) { int i = ((Integer) o).intValue(); out.print(i); d.n += i < 0 ? 2 : 1; return; }
      if (o instanceof Long) { long l = ((Long) o).longValue(); out.print(l); out.print("L"); d.n += l < 0 ? 2 : 1; return; }
      if (o instanceof Float) { d.append("fl ", 2); quoteToPrintWriter(str(o), out); return; }
      if (o instanceof Double) { d.append("d(", 3); quoteToPrintWriter(str(o), out); d.append(")"); return; }
      if (o instanceof BigInteger) { out.print("bigint("); out.print(o); out.print(")"); d.n += ((BigInteger) o).signum() < 0 ? 5 : 4; return; }
    }
  
    if (o instanceof Boolean) {
      d.append(((Boolean) o).booleanValue() ? "t" : "f"); return;
    }
      
    if (o instanceof Character) {
      d.append(quoteCharacter((Character) o)); return;
    }
      
    if (o instanceof File) {
      d.append("File ").append(quote(((File) o).getPath())); return;
    }
      
    // referencable objects follow
    
    Integer ref = d.seen.get(o);
    if (o instanceof String && ref == null) ref = d.strings.get((String) o);
    if (ref != null) { /*d.refd.set(ref);*/ d.append("t").app(ref); return; }

    if (!(o instanceof String))
      d.seen.put(o, d.n); // record token number
    else {
      String s = d.stringSizeLimit != 0 ? shorten((String) o, d.stringSizeLimit) : (String) o;
      if (!d.noStringSharing) {
        if (d.shareStringsLongerThan == Integer.MAX_VALUE)
          d.seen.put(o, d.n);
        if (l(s) >= d.shareStringsLongerThan)
          d.strings.put(s, d.n);
      }
      quoteToPrintWriter(s, d.out); d.n++; return;
    }
      
    if (o instanceof HashSet) {
      d.append("hashset ");
      structure_1(new ArrayList((Set) o), d);
      return;
    }
  
    if (o instanceof TreeSet) {
      d.append("treeset ");
      structure_1(new ArrayList((Set) o), d);
      return;
    }
    
    String name = c.getName();
    if (o instanceof Collection
      && !startsWith(name, "main$")
      /* && neq(name, "main$Concept$RefL") */) {
      d.append("[");
      final int l = d.n;
      final Iterator it = ((Collection) o).iterator();
      d.stack.add(new Runnable() { public void run() { try { 
        if (!it.hasNext())
          d.append("]");
        else {
          d.stack.add(this);
          if (d.n != l) d.append(", ");
          structure_1(it.next(), d);
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!it.hasNext())\r\n          d.append(\"]\");\r\n        else {\r\n          d.stack...."; }});
      return;
    }
    
    if (o instanceof Map && !startsWith(name, "main$")) {
      if (o instanceof LinkedHashMap) d.append("lhm");
      else if (o instanceof HashMap) d.append("hm");
      d.append("{");
      final int l = d.n;
      final Iterator it = ((Map) o).entrySet().iterator();
      
      d.stack.add(new Runnable() {
        boolean v;
        Map.Entry e;
        
        public void run() {
          if (v) {
            d.append("=");
            v = false;
            d.stack.add(this);
            structure_1(e.getValue(), d);
          } else {
            if (!it.hasNext())
              d.append("}");
            else {
              e = (Map.Entry) it.next();
              v = true;
              d.stack.add(this);
              if (d.n != l) d.append(", ");
              structure_1(e.getKey(), d);
            }
          }
        }
      });
      return;
    }
    
    if (c.isArray()) {
      if (o instanceof byte[]) {
        d.append("ba ").append(quote(bytesToHex((byte[]) o))); return;
      }
  
      final int n = Array.getLength(o);
  
      if (o instanceof boolean[]) {
        String hex = boolArrayToHex((boolean[]) o);
        int i = l(hex);
        while (i > 0 && hex.charAt(i-1) == '0' && hex.charAt(i-2) == '0') i -= 2;
        d.append("boolarray ").append(n).app(" ").append(quote(substring(hex, 0, i))); return;
      }
      
      String atype = "array", sep = ", ";
  
      if (o instanceof int[]) {
        //ret "intarray " + quote(intArrayToHex((int[]) o));
        atype = "intarray";
        sep = " ";
      }
      
      d.append(atype).append("{");
      d.stack.add(new Runnable() {
        int i;
        public void run() {
          if (i >= n)
            d.append("}");
          else {
            d.stack.add(this);
            if (i > 0) d.append(", ");
            structure_1(Array.get(o, i++), d);
          }
        }
      });
      return;
    }
  
    if (o instanceof Class) {
      d.append("class(", 2).append(quote(((Class) o).getName())).append(")"); return;
    }
      
    if (o instanceof Throwable) {
      d.append("exception(", 2).append(quote(((Throwable) o).getMessage())).append(")"); return;
    }
      
    if (o instanceof BitSet) {
      BitSet bs = (BitSet) o;
      d.append("bitset{", 2);
      int l = d.n;
      for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) {
        if (d.n != l) d.append(", ");
        d.append(i);
      }
      d.append("}"); return;
    }
      
    // Need more cases? This should cover all library classes...
    if (name.startsWith("java.") || name.startsWith("javax.")) {
      d.append("j ").append(quote(str(o))); return; // Hm. this is not unstructure-able
    }
    
    
      
    /*if (name.equals("main$Lisp")) {
      fail("lisp not supported right now");
    }*/
    
    String dynName = shortDynamicClassName(o);
    if (concept && !d.concepts.contains(dynName)) {
      d.concepts.add(dynName);
      d.append("c ");
    }
    
    // serialize an object with fields.
    // first, collect all fields and values in fv.
    
    TreeSet<Field> fields = new TreeSet<Field>(new Comparator<Field>() {
      public int compare(Field a, Field b) {
        return stdcompare(a.getName(), b.getName());
      }
    });
    
    Class cc = c;
    while (cc != Object.class) {
      for (Field field : getDeclaredFields_cached(cc)) {
        if ((field.getModifiers() & (Modifier.STATIC | Modifier.TRANSIENT)) != 0)
          continue;
        String fieldName = field.getName();
        
        fields.add(field);
        
        // put special cases here...
      }
        
      cc = cc.getSuperclass();
    }
    
    lFields = asList(fields);
    
    // Render this$1 first because unstructure needs it for constructor call.
    
    for (int i = 0; i < l(lFields); i++) {
      Field f = lFields.get(i);
      if (f.getName().equals("this$1")) {
        lFields.remove(i);
        lFields.add(0, f);
        break;
      }
    }
  
    
    d.fieldsByClass.put(c, lFields);
  } // << if (lFields == null)
  else { // ref handling for lFields != null
    Integer ref = d.seen.get(o);
    if (ref != null) { /*d.refd.set(ref);*/ d.append("t").app(ref); return; }
    d.seen.put(o, d.n); // record token number
  }

  LinkedHashMap<String,Object> fv = new LinkedHashMap();
  for (Field f : lFields) {
    Object value;
    try {
      value = f.get(o);
    } catch (Exception e) {
      value = "?";
    }
      
    if (value != null)
      fv.put(f.getName(), value);
    
  }
  
  String name = c.getName();
  String shortName = dropPrefix("main$", name);
    
  // Now we have fields & values. Process fieldValues if it's a DynamicObject.
  
  // omit field "className" if equal to class's name
  if (concept && eq(fv.get("className"), shortName))
    fv.remove("className");
          
  if (o instanceof DynamicObject) {
    fv.putAll((Map) fv.get("fieldValues"));
    fv.remove("fieldValues");
    shortName = shortDynamicClassName(o);
    fv.remove("className");
  }
  
  String singleField = fv.size() == 1 ? first(fv.keySet()) : null;
  
  d.append(shortName);
  
  
  final int l = d.n;
  final Iterator it = fv.entrySet().iterator();
  
  d.stack.add(new Runnable() { public void run() { try { 
    if (!it.hasNext()) {
      if (d.n != l)
        d.append(")");
    } else {
      Map.Entry e = (Map.Entry) it.next();
      d.append(d.n == l ? "(" : ", ");
      d.append((String) e.getKey()).append("=");
      d.stack.add(this);
      structure_1(e.getValue(), d);
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!it.hasNext()) {\r\n      if (d.n != l)\r\n        d.append(\")\");\r\n    } else {\r..."; }});
}

static File userDir() {
  return new File(userHome());
}

static File userDir(String path) {
  return new File(userHome(), path);
}
static boolean isLocalhost(String ip) {
  return isLoopbackIP(ip) || eqic(ip, "localhost");
}


static String trim(String s) { return s == null ? null : s.trim(); }
static String trim(StringBuilder buf) { return buf.toString().trim(); }
static String trim(StringBuffer buf) { return buf.toString().trim(); }
static String quoteCharacter(char c) {
  if (c == '\'') return "'\\''";
  if (c == '\\') return "'\\\\'";
  if (c == '\r') return "'\\r'";
  if (c == '\n') return "'\\n'";
  if (c == '\t') return "'\\t'";
  return "'" + c + "'";
}

static String shortDynamicClassName(Object o) {
 if (o instanceof DynamicObject && ((DynamicObject) o).className != null)
    return ((DynamicObject) o).className;
  return shortClassName(o);
}
static String standardCredentials() {
  String user = standardCredentialsUser();
  String pass = standardCredentialsPass();
  if (nempty(user) && nempty(pass))
    return "&_user=" + urlencode(user) + "&_pass=" + urlencode(pass);
  return "";
}
static JComponent getTitlePaneComponent(Window window) {
  if (!substanceLookAndFeelEnabled()) return null;
  
	JRootPane rootPane = null;
	if (window instanceof JFrame)
		rootPane = ((JFrame) window).getRootPane();
	if (window instanceof JDialog)
		rootPane = ((JDialog) window).getRootPane();
	if (rootPane != null) {
		Object /*SubstanceRootPaneUI*/ ui = rootPane.getUI();
		return (JComponent) call(ui, "getTitlePane");
	}
	return null;
}

static String quickSubstring(String s, int i, int j) {
  if (i == j) return "";
  return s.substring(i, j);
}
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;
}
// replacement for class JavaTok
// maybe incomplete, might want to add floating point numbers
// todo also: extended multi-line strings

static int javaTok_n, javaTok_elements;
static boolean javaTok_opt;

static List<String> javaTok(String s) {
  return javaTok(s, null);
}

static List<String> javaTok(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 && javaTok_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(quickSubstring(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 && javaTok_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(quickSubstring(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 javaTok(join(tok), tok);
}

static boolean javaTok_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 boolean isImageServerSnippet(long id) {
  return id >= 1100000 && id < 1200000;
}
static Object mainBot;

static Object getMainBot() {
  return mainBot;
}
static int myVMPort() {
  List records = (List) ( get(getJavaX(), "record_list"));
  Object android = records.get(records.size()-1);
  return (Integer) get(android, "port");
}
static class componentPopupMenu_Maker {
  List menuMakers = new ArrayList();
}

static Map<JComponent, componentPopupMenu_Maker> componentPopupMenu_map = new WeakHashMap();

static ThreadLocal<MouseEvent> componentPopupMenu_mouseEvent = new ThreadLocal();

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

static class componentPopupMenu_Adapter extends MouseAdapter {
  componentPopupMenu_Maker maker;
  
  componentPopupMenu_Adapter(componentPopupMenu_Maker 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.menuMakers)
      pcallF(menuMaker, menu);
    
    // show menu if any items in it
    if (menu.getComponentCount() != emptyCount)
      menu.show(e.getComponent(), e.getX(), e.getY());
  }
}
static void setHeaders(URLConnection con) throws IOException {
  String computerID = getComputerID_quick();
  if (computerID != null) try {
    con.setRequestProperty("X-ComputerID", computerID);
    con.setRequestProperty("X-OS", System.getProperty("os.name") + " " + System.getProperty("os.version"));
  } catch (Throwable e) {
    //printShortException(e);
  }
}
static HashMap<Class, Field[]> getDeclaredFields_cache = new HashMap();

static Field[] getDeclaredFields_cached(Class c) {
  Field[] fields;
  synchronized(getDeclaredFields_cache) {
    fields = getDeclaredFields_cache.get(c);
    if (fields == null) {
      getDeclaredFields_cache.put(c, fields = c.getDeclaredFields());
      for (Field f : fields)
        f.setAccessible(true);
    }
  }
  return fields;
}
static String boolArrayToHex(boolean[] a) {
  return bytesToHex(boolArrayToBytes(a));
}
static boolean hasField(Object o, String field) {
  return findField2(o, field) != null;
}
static String thisVMGreeting() {
  List record_list = (List) ( get(getJavaX(), "record_list"));
  Object android = first(record_list); // Should be of class Android3
  return getString(android, "greeting");
}
  public static String bytesToHex(byte[] bytes) {
    return bytesToHex(bytes, 0, bytes.length);
  }

  public static String bytesToHex(byte[] bytes, int ofs, int len) {
    StringBuilder stringBuilder = new StringBuilder(len*2);
    for (int i = 0; i < len; i++) {
      String s = "0" + Integer.toHexString(bytes[ofs+i]);
      stringBuilder.append(s.substring(s.length()-2, s.length()));
    }
    return stringBuilder.toString();
  }

static <A> A oneOf(List<A> l) {
  return l.isEmpty() ? null : l.get(new Random().nextInt(l.size()));
}

static char oneOf(String s) {
  return empty(s) ? '?' : s.charAt(random(l(s)));
}

static String oneOf(String... l) {
  return oneOf(asList(l));
}
static boolean isLoopbackIP(String ip) {
  return eq(ip, "127.0.0.1");
}
static Class javax() {
  return getJavaX();
}
static String classNameToVM(String name) {
  return name.replace(".", "$");
}
static int systemHashCode(Object o) {
  return identityHashCode(o);
}
static void warnIfOddCount(Object... list) {
  if (odd(l(list)))
    printStackTrace("Odd list size: " + list);
}
static String muricaPassword() {
  return trim(loadTextFile(muricaPasswordFile()));
}
static <A> A collectionGet(Collection<A> c, int idx) {
  if (c == null || idx < 0 || idx >= l(c)) return null;
  if (c instanceof List) return get((List<A>) c, idx);
  Iterator<A> it = c.iterator();
  for (int i = 0; i < idx; i++) if (it.hasNext()) it.next(); else return null;
  return it.hasNext() ? it.next() : null;
}
static FileOutputStream newFileOutputStream(File path) throws IOException {
  return newFileOutputStream(path.getPath());
}

static FileOutputStream newFileOutputStream(String path) throws IOException {
  return newFileOutputStream(path, false);
}

static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
  FileOutputStream f = new // Line break for ancient translator
    FileOutputStream(path, append);
  callJavaX("registerIO", f, path, true);
  return f;
}
static boolean eqic(String a, String b) {
  if ((a == null) != (b == null)) return false;
  if (a == null) return true;
  return a.equalsIgnoreCase(b);
}
static String struct(Object o) {
  return structure(o);
}

static String struct(Object o, structure_Data data) {
  return structure(o, data);
}
static void setOpt_raw(Object o, String field, Object value) {
  if (o == null) return;
  if (o instanceof Class) setOpt_raw((Class) o, field, value);
  else try {
    Field f = setOpt_raw_findField(o.getClass(), field);
    if (f != null)
      smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static void setOpt_raw(Class c, String field, Object value) {
  if (c == null) return;
  try {
    Field f = setOpt_raw_findStaticField(c, field);
    if (f != null)
      smartSet(f, null, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
  
static Field setOpt_raw_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}

static Field setOpt_raw_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 Class getOuterClass(Class c) { try {
  String s = c.getName();
  int i = s.lastIndexOf('$');
  return Class.forName(substring(s, 0, i));
} catch (Exception __e) { throw rethrow(__e); } }
static String shortenClassName(String name) {
  if (name == null) return null;
  int i = lastIndexOf(name, "$");
  if (i < 0) i = lastIndexOf(name, ".");
  return i < 0 ? name : substring(name, i+1);
}
static 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 void swingNowOrLater(Runnable r) {
  if (isAWTThread())
    r.run();
  else
    swingLater(r);
}
static String sendToThisVM_newThread(String s, Object... args) {
  final String _s = format(s, args);
  try {
    return (String) evalInNewThread(new Object() { Object get() { try { return 
      callStaticAnswerMethod(getJavaX(), _s)
    ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callStaticAnswerMethod(getJavaX(), _s)"; }});
  } catch (Throwable e) {
    e = getInnerException(e);
    printStackTrace(e);
    return str(e);
  }
}
static ThreadLocal<String> loadPage_charset = new ThreadLocal();
static boolean loadPage_allowGzip = true, loadPage_debug;
static boolean loadPage_anonymous; // don't send computer ID
static int loadPage_verboseness = 100000;
static int loadPage_retries = 1; //60; // seconds
static ThreadLocal<Boolean> loadPage_silent = new ThreadLocal();
static volatile int loadPage_forcedTimeout; // ms

public static String loadPageSilently(String url) { try {
  return loadPageSilently(new URL(loadPage_preprocess(url)));
} catch (Exception __e) { throw rethrow(__e); } }

public static String loadPageSilently(URL url) { try {
  IOException e = null;
  for (int tries = 0; tries < loadPage_retries; tries++)
    try {
      URLConnection con = loadPage_openConnection(url);
      return loadPage(con, url);
    } catch (IOException _e) {
      e = _e;
      if (loadPageThroughProxy_enabled) {
        print("Trying proxy because of: " + e);
        try {
          return loadPageThroughProxy(str(url));
        } catch (Throwable e2) {
          print("  " + exceptionToStringShort(e2));
        }
      } else if (loadPage_debug)
        print(e);
      sleepSeconds(1);
    }
  throw e;
} catch (Exception __e) { throw rethrow(__e); } }

static String loadPage_preprocess(String url) {  
  if (url.startsWith("tb/")) // don't think we use this anymore
    url = tb_mainServer() + "/" + url;
  if (url.indexOf("://") < 0)
    url = "http://" + url;
  return url;
}

public static String loadPage(String url) { try {
  url = loadPage_preprocess(url);
  if (!isTrue(loadPage_silent.get()))
    print("Loading: " + hideCredentials(url));
  return loadPageSilently(new URL(url));
} catch (Exception __e) { throw rethrow(__e); } }

public static String loadPage(URL url) {
  print("Loading: " + hideCredentials(url.toExternalForm()));
  return loadPageSilently(url);
}

static String loadPage(URLConnection con, URL url) throws IOException {
  return loadPage(con, url, true);
}

static String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException {
  if (addHeaders) try {
    if (!loadPage_anonymous)
      setHeaders(con);
    if (loadPage_allowGzip)
      con.setRequestProperty("Accept-Encoding", "gzip");
    con.setRequestProperty("X-No-Cookies", "1");
  } catch (Throwable e) {} // fails if within doPost
  String contentType = con.getContentType();
  if (contentType == null) {
    printStruct("Headers: ", con.getHeaderFields());
    throw new IOException("Page could not be read: " + url);
  }
  //print("Content-Type: " + contentType);
  String charset = loadPage_charset == null ? null : loadPage_charset.get();
  if (charset == null) charset = loadPage_guessCharset(contentType);
  
  InputStream in = con.getInputStream();
  try {
    if ("gzip".equals(con.getContentEncoding())) {
      if (loadPage_debug)
        print("loadPage: Using gzip.");
      in = new GZIPInputStream(in);
    }
    Reader r = new InputStreamReader(in, charset);
    
    StringBuilder buf = new StringBuilder();
    int n = 0;
    while (true) {
      int ch = r.read();
      if (ch < 0)
        break;
      buf.append((char) ch);
      ++n;
      if ((n % loadPage_verboseness) == 0) print("  " + n + " chars read");
    }
    return buf.toString();
  } finally { in.close(); }
}

static String loadPage_guessCharset(String contentType) {
  Pattern p = Pattern.compile("text/[a-z]+;\\s*charset=([^\\s]+)\\s*");
  Matcher m = p.matcher(contentType);
  String match = m.matches() ? m.group(1) : null;
  if (loadPage_debug)
    print("loadPage: contentType=" + contentType + ", match: " + match);
  /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
  return or(match, "ISO-8859-1");
}

static URLConnection loadPage_openConnection(URL url) {
  URLConnection con = openConnection(url);
  if (loadPage_forcedTimeout != 0)
    setURLConnectionTimeouts(con, loadPage_forcedTimeout);
  return con;
}
static File javaxCachesDir_dir; // can be set to work on different base dir

static File javaxCachesDir() {
  return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
}
static <A> A popFirst(List<A> l) {
  if (empty(l)) return null;
  A a = first(l);
  l.remove(0);
  return a;
}
static boolean endsWithLetter(String s) {
  return nempty(s) && isLetter(last(s));
}
static String f2s(File f) {
  return f == null ? null : f.getAbsolutePath();
}
static List<String> javaTokC(String s) {
  if (s == null) return null;
  int l = s.length();
  ArrayList<String> tok = new ArrayList();
  
  int i = 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;
    }
    
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
          ++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;
      
    tok.add(quickSubstring(s, i, j));
    i = j;
  }
  
  return tok;
}

static <A> A assertEquals(Object x, A y) {
  return assertEquals(null, x, y);
}

static <A> A assertEquals(String msg, Object x, A y) {
  if (!(x == null ? y == null : x.equals(y)))
    throw fail((msg != null ? msg + ": " : "") + y + " != " + x);
  return y;
}
// Try to get the quoting right...

static String smartJoin(String[] args) {
  if (args.length == 1) return args[0];
  
  String[] a = new String[args.length];
  for (int i = 0; i < a.length; i++)
    a[i] = !isJavaIdentifier(args[i]) && !isQuoted(args[i]) ? quote(args[i]) : args[i];
  return join(" ", a);
}

static String smartJoin(List<String> args) {
  return smartJoin(toStringArray(args));
}
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 WeakHashMap<Class, HashMap<String, Method>> callOpt_noArgs_cache = new WeakHashMap();

static Object callOpt_noArgs(Object o, String method) { try {
  if (o == null) return null;
  if (o instanceof Class)
    return callOpt(o, method); // not optimized
  
  Class c = o.getClass();
  HashMap<String, Method> map;
  synchronized(callOpt_noArgs_cache) {
    map = callOpt_noArgs_cache.get(c);
    if (map == null)
      map = callOpt_noArgs_makeCache(c);
  }

  Method m = map.get(method);
  return m != null ? m.invoke(o) : null;
} catch (Exception __e) { throw rethrow(__e); } }

// used internally - we are in synchronized block
static HashMap<String, Method> callOpt_noArgs_makeCache(Class c) {
  HashMap<String,Method> map = new HashMap();
  Class _c = c;
  do {
    for (Method m : c.getDeclaredMethods())
      if (m.getParameterTypes().length == 0) {
        m.setAccessible(true);
        String name = m.getName();
        if (!map.containsKey(name))
          map.put(name, m);
      }
    _c = _c.getSuperclass();
  } while (_c != null);
  callOpt_noArgs_cache.put(c, map);
  return map;
}
static void quoteToPrintWriter(String s, PrintWriter out) {
  if (s == null) { out.print("null"); return; }
  out.print('"');
  int l = s.length();
  for (int i = 0; i < l; i++) {
    char c = s.charAt(i);
    if (c == '\\' || c == '"') {
      out.print('\\'); out.print(c);
    } else if (c == '\r')
      out.print("\\r");
    else if (c == '\n')
      out.print("\\n");
    else
      out.print(c);
  }
  out.print('"');
}
static <A> A println(A a) {
  return print(a);
}
static String structureForUser(Object o) {
  return beautifyStructure(struct_noStringSharing(o));
}
public static File mkdirsFor(File file) {
  return mkdirsForFile(file);
}

static void smartSet(Field f, Object o, Object value) throws Exception {
  f.setAccessible(true);
  
  // take care of common case (long to int)
  if (f.getType() == int.class && value instanceof Long)
    value = ((Long) value).intValue();
    
  try {
    f.set(o, value);
  } catch (Exception e) {
    
    throw e;
  }
}
static String tb_mainServer_default = "http://tinybrain.de:8080";
static Object tb_mainServer_override; // func -> S

static String tb_mainServer() {
  if (tb_mainServer_override != null) return (String) callF(tb_mainServer_override);
  return trim(loadTextFile(tb_mainServer_file(),
    tb_mainServer_default));
}

static File tb_mainServer_file() {
  return getProgramFile("#1001638", "mainserver.txt");
}

static boolean tb_mainServer_isDefault() {
  return eq(tb_mainServer(), tb_mainServer_default);
}
static int parseHexByte(String s) {
  return Integer.parseInt(s, 16);
}
static int stdcompare(Number a, Number b) {
  return cmp(a, b);
}

static int stdcompare(String a, String b) {
  return cmp(a, b);
}

static int stdcompare(long a, long b) {
  return a < b ? -1 : a > b ? 1 : 0;
}

static int stdcompare(Object a, Object b) {
  return cmp(a, b);
}



static File muricaPasswordFile() {
  return new File(javaxSecretDir(), "murica/muricaPasswordFile");
}
// supports the usual quotings (', ", variable length double brackets)
static boolean isQuoted(String s) {
  if (startsWith(s, "'") || startsWith(s, "\"")) return true;
  return isMultilineQuoted(s);
}
static <A> A printStruct(String prefix, A a) {
  printStructure(prefix, a);
  return a;
}

static <A> A printStruct(A a) {
  printStructure(a);
  return a;
}

static String getString(Map map, Object key) {
  return map == null ? null : (String) map.get(key);
}

static String getString(List l, int idx) {
  return (String) get(l, idx);
}

static String getString(Object o, Object key) {
  if (o instanceof Map) return getString((Map) o, key);
  if (key instanceof String)
    return (String) getOpt(o, (String) key);
  throw fail("Not a string key: " + getClassName(key));
}
static String urlencode(String x) {
  try {
    return URLEncoder.encode(unnull(x), "UTF-8");
  } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); }
}
static int identityHashCode(Object o) {
  return System.identityHashCode(o);
}
static boolean odd(int i) {
  return (i & 1) != 0;
}

static boolean odd(long i) {
  return (i & 1) != 0;
}
static int cmp(Number a, Number b) {
  return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue());
}

static int cmp(double a, double b) {
  return a < b ? -1 : a == b ? 0 : 1;
}

static int cmp(String a, String b) {
  return a == null ? b == null ? 0 : -1 : a.compareTo(b);
}

static int cmp(Object a, Object b) {
  if (a == null) return b == null ? 0 : -1;
  if (b == null) return 1;
  return ((Comparable) a).compareTo(b);
}
static Object evalInNewThread(final Object f) {
  final Flag flag = new Flag();
  final Var var = new Var();
  final Var<Throwable> exception = new Var();
  { Thread _t_0 = new Thread() {
public void run() { try {
    try {
      var.set(callF(f));
    } catch (Throwable e) {
      exception.set(e);
    }
    flag.raise();
  } catch (Throwable __e) { printStackTrace2(__e); } }
};
startThread(_t_0); }
  flag.waitUntilUp();
  if (exception.has()) throw rethrow(exception.get());
  return var.get();
}
static <A> A or(A a, A b) {
  return a != null ? a : b;
}
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 String[] toStringArray(Collection<String> c) {
  String[] a = new String[l(c)];
  Iterator<String> it = c.iterator();
  for (int i = 0; i < l(a); i++)
    a[i] = it.next();
  return a;
}

static String[] toStringArray(Object o) {
  if (o instanceof String[])
    return (String[]) o;
  else if (o instanceof Collection)
    return toStringArray((Collection<String>) o);
  else
    throw fail("Not a collection or array: " + getClassName(o));
}

static void printException(Throwable e) {
  printStackTrace(e);
}
static String beautifyStructure(String s) {
  return structure_addTokenMarkers(s);
}
public static File mkdirsForFile(File file) {
  File dir = file.getParentFile();
  if (dir != null) // is null if file is in current dir
    dir.mkdirs();
  return file;
}

static Object callJavaX(String method, Object... args) {
  return callOpt(getJavaX(), method, args);
}
static File getProgramFile(String progID, String fileName) {
  if (new File(fileName).isAbsolute())
    return new File(fileName);
  return new File(getProgramDir(progID), fileName);
}

static File getProgramFile(String fileName) {
  return getProgramFile(getProgramID(), fileName);
}

static int lastIndexOf(String a, String b) {
  return a == null || b == null ? -1 : a.lastIndexOf(b);
}
static Field findField2(Object o, String field) {
  if (o instanceof Class) return findField2_findStaticField((Class) o, field);
  return findField2_findField(o.getClass(), field);
}

static Field findField2_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}

static Field findField2_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 struct_noStringSharing(Object o) {
  structure_Data d = new structure_Data();
  d.noStringSharing = true;
  return structure(o, d);
}
static String getComputerID_quick() {
  return computerID();
}
static URLConnection setURLConnectionTimeouts(URLConnection con, int timeout) {
  con.setConnectTimeout(timeout);
  con.setReadTimeout(timeout);
  if (con.getConnectTimeout() != timeout || con.getReadTimeout() != timeout)
    print("Warning: Timeouts not set by JDK.");
  return con;
}
static byte[] boolArrayToBytes(boolean[] a) {
  byte[] b = new byte[(l(a)+7)/8];
  for (int i = 0; i < l(a); i++)
    if (a[i])
      b[i/8] |= 1 << (i & 7);
  return b;
}
static String standardCredentialsUser() {
  return trim(loadTextFile(new File(userHome(), ".tinybrain/username")));
}
static final boolean loadPageThroughProxy_enabled = false;

static String loadPageThroughProxy(String url) {
  return null;
}
static Object pcallF(Object f, Object... args) {
  return pcallFunction(f, args);
}


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 void sleepSeconds(double s) {
  if (s > 0) sleep(round(s*1000));
}
static boolean isLetter(char c) {
  return Character.isLetter(c);
}
static String standardCredentialsPass() {
  return trim(loadTextFile(new File(userHome(), ".tinybrain/userpass")));
}


static File javaxSecretDir_dir; // can be set to work on different base dir

static File javaxSecretDir() {
  return javaxSecretDir_dir != null ? javaxSecretDir_dir : new File(userHome(), "JavaX-Secret");
}
static volatile boolean sleep_noSleep;

static void sleep(long ms) {
  ping();
  if (ms < 0) return;
  // allow spin locks
  if (isAWTThread() && ms > 100) throw fail("Should not sleep on AWT thread");
  try {
    Thread.sleep(ms);
  } catch (Exception e) { throw new RuntimeException(e); }
}

static void sleep() { try {
  if (sleep_noSleep) throw fail("nosleep");
  print("Sleeping.");
  sleepQuietly();
} catch (Exception __e) { throw rethrow(__e); } }
static String _computerID;
public static String computerID() { try {
  if (_computerID == null) {
    File file = new File(userHome(), ".tinybrain/computer-id");
    _computerID = loadTextFile(file.getPath(), null);
    if (_computerID == null) {
      _computerID = makeRandomID(12);
      saveTextFile(file.getPath(), _computerID);
    }
  }
  return _computerID;
} catch (Exception __e) { throw rethrow(__e); } }
static String structure_addTokenMarkers(String s) {
  List<String> tok = javaTok(s);
  
  // find references
  
  TreeSet<Integer> refs = new TreeSet();
  for (int i = 1; i < l(tok); i += 2) {
    String t = tok.get(i);
    if (t.startsWith("t") && isInteger(t.substring(1)))
      refs.add(parseInt(t.substring(1)));
  }
  
  if (empty(refs)) return s;
  
  // add markers
  for (int i : refs) {
    int idx = i*2+1;
    String t = "";
    if (endsWithLetterOrDigit(tok.get(idx-1))) t = " ";
    tok.set(idx, t + "m" + i + " " + tok.get(idx));
  }
  
  return join(tok);
}
static boolean isMultilineQuoted(String s) {
  if (!startsWith(s, "[")) return false;
  int i = 1;
  while (i < s.length() && s.charAt(i) == '=') ++i;
  return i < s.length() && s.charAt(i) == '[';
}
static File getProgramDir() {
  return programDir();
}

static File getProgramDir(String snippetID) {
  return programDir(snippetID);
}
static Object pcallFunction(Object f, Object... args) {
  try { return callFunction(f, args); } catch (Throwable __e) { printStackTrace2(__e); }
  return null;
}
static long round(double d) {
  return Math.round(d);
}


/** writes safely (to temp file, then rename) */
static File saveTextFile(String fileName, String contents) throws IOException {
  CriticalAction action = beginCriticalAction("Saving file " + fileName + " (" + l(contents) + " chars)");
  try {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    File tempFile = new File(tempFileName);
    if (contents != null) {
      if (tempFile.exists()) try {
        String saveName = tempFileName + ".saved." + now();
        copyFile(tempFile, new File(saveName));
      } catch (Throwable e) { printStackTrace(e); }
      FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath());
      OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
      PrintWriter printWriter = new PrintWriter(outputStreamWriter);
      printWriter.print(contents);
      printWriter.close();
    }
    
    if (file.exists() && !file.delete())
      throw new IOException("Can't delete " + fileName);
  
    if (contents != null)
      if (!tempFile.renameTo(file))
        throw new IOException("Can't rename " + tempFile + " to " + file);
        
    return file;
  } finally {
    action.done();
  }
}

static File saveTextFile(File fileName, String contents) { try {
  saveTextFile(fileName.getPath(), contents);
  return fileName;
} catch (Exception __e) { throw rethrow(__e); } }
static boolean endsWithLetterOrDigit(String s) {
  return nempty(s) && isLetterOrDigit(lastCharacter(s));
}
static Object sleepQuietly_monitor = new Object();

static void sleepQuietly() { try {
  assertFalse(isAWTThread());
  synchronized(sleepQuietly_monitor) { sleepQuietly_monitor.wait(); }
} catch (Exception __e) { throw rethrow(__e); } }
static File programDir_mine; // set this to relocate program's data

static File programDir() {
  return programDir(getProgramID());
}

static File programDir(String snippetID) {
  boolean me = sameSnippetID(snippetID, programID());
  if (programDir_mine != null && me)
    return programDir_mine;
  File dir = new File(javaxDataDir(), formatSnippetID(snippetID));
  if (me) {
    String c = caseID();
    if (nempty(c)) dir = newFile(dir, c);
  }
  return dir;
}



static List<CriticalAction> beginCriticalAction_inFlight = synchroList();

static class CriticalAction {
  String description;
  
  CriticalAction() {}
  CriticalAction(String description) {
  this.description = description;}
  
  void done() {
    beginCriticalAction_inFlight.remove(this);
  }
}

static CriticalAction beginCriticalAction(String description) {
  ping();
  CriticalAction c = new CriticalAction(description);
  beginCriticalAction_inFlight.add(c);
  return c;
}

static void cleanMeUp_beginCriticalAction() {
  int n = 0;
  while (nempty(beginCriticalAction_inFlight)) {
    int m = l(beginCriticalAction_inFlight);
    if (m != n) {
      n = m;
      try {
        print("Waiting for " + n(n, "critical actions") + ": " + join(", ", collect(beginCriticalAction_inFlight, "description")));
      } catch (Throwable __e) { printStackTrace2(__e); }
    }
    sleepInCleanUp(10);
  }
}
static boolean isLetterOrDigit(char c) {
  return Character.isLetterOrDigit(c);
}
static File javaxDataDir_dir; // can be set to work on different base dir

static File javaxDataDir() {
  return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
}
static volatile String caseID_caseID;

static String caseID() { return caseID_caseID; }

static void caseID(String id) {
  caseID_caseID = id;
}
public static void copyFile(File src, File dest) { try {
  mkdirsForFile(dest);
  FileInputStream inputStream = new FileInputStream(src.getPath());
  FileOutputStream outputStream = newFileOutputStream(dest.getPath());
  try {
    copyStream(inputStream, outputStream);
    inputStream.close();
  } finally {
    outputStream.close();
  }
} catch (Exception __e) { throw rethrow(__e); } }
static boolean sameSnippetID(String a, String b) {
  if (!isSnippetID(a) || !isSnippetID(b)) return false;
  return parseSnippetID(a) == parseSnippetID(b);
}
static char lastCharacter(String s) {
  return empty(s) ? 0 : s.charAt(l(s)-1);
}


static String n(long l, String name) {
  return l + " " + trim(l == 1 ? singular(name) : getPlural(name));
}

static String n(Collection l, String name) {
  return n(l(l), name);
}

static String n(Map m, String name) {
  return n(l(m), name);
}

static String n(Object[] a, String name) {
  return n(l(a), name);
}


static void sleepInCleanUp(long ms) { try {
  if (ms < 0) return;
  Thread.sleep(ms);
} catch (Exception __e) { throw rethrow(__e); } }
static List collect(Collection c, String field) {
  return collectField(c, field);
}

static List collect(String field, Collection c) {
  return collectField(c, field);
}


static void copyStream(InputStream in, OutputStream out) { try {
  byte[] buf = new byte[65536];
  while (true) {
    int n = in.read(buf);
    if (n <= 0) return;
    out.write(buf, 0, n);
  }
} catch (Exception __e) { throw rethrow(__e); } }


static List<String> getPlural_specials = ll("sheep", "fish");

static String getPlural(String s) {
  if (containsIgnoreCase(getPlural_specials, s)) return s;
  if (ewic(s, "y")) return dropSuffixIgnoreCase("y", s) + "ies";
  if (ewic(s, "ss")) return s + "es";
  if (ewic(s, "s")) return s;
  return s + "s";
}
static <A> ArrayList<A> list(A[] a) {
  return asList(a);
}

static ArrayList<Integer> list(int[] a) {
  return asList(a);
}

static <A> ArrayList<A> list(Set<A> s) {
  return asList(s);
}
static Map<String, String> singular_specials = litmap(
  "children", "child", "images", "image", "chess", "chess");
  
static Set<String> singular_specials2 = litset("time", "machine");

static String singular(String s) {
  if (s == null) return null;
  { String _a_173 = singular_specials.get(s); if (!empty(_a_173)) return _a_173; }
  { String _a_174 = hippoSingulars().get(lower(s)); if (!empty(_a_174)) return _a_174; }
  if (singular_specials2.contains(dropSuffix("s", s)))
    return dropSuffix("s", s);
  if (s.endsWith("ness")) return s;
  if (s.endsWith("ges")) return dropSuffix("s", s);
  if (endsWith(s, "bases")) return dropLast(s);
  s = dropSuffix("es", s);
  s = dropSuffix("s", s);
  return s;
}
static List collectField(Collection c, String field) {
  List l = new ArrayList();
  for (Object a : c)
    l.add(getOpt(a, field));
  return l;
}


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 <A> HashSet<A> litset(A... items) {
  return lithashset(items);
}
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 String dropSuffixIgnoreCase(String suffix, String s) {
  return ewic(s, suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static boolean containsIgnoreCase(List<String> l, String s) {
  for (String x : l)
    if (eqic(x, s))
      return true;
  return false;
}

static boolean containsIgnoreCase(String[] l, String s) {
  for (String x : l)
    if (eqic(x, s))
      return true;
  return false;
}

static boolean containsIgnoreCase(String s, char c) {
  return indexOfIgnoreCase(s, String.valueOf(c)) >= 0;
}

static boolean containsIgnoreCase(String a, String b) {
  return indexOfIgnoreCase(a, b) >= 0;
}
static String lower(String s) {
  return s == null ? null : s.toLowerCase();
}

static char lower(char c) {
  return Character.toLowerCase(c);
}
static boolean ewic(String a, String b) {
  return endsWithIgnoreCase(a, b);
}
static Map<String, String> hippoSingulars() {
  return pairsToMap((List<Pair<String, String>>) scanStructureLog("#1011041", "singulars"));
}


static <A> HashSet<A> lithashset(A... items) {
  HashSet<A> set = new HashSet();
  for (A a : items) set.add(a);
  return set;
}
static boolean endsWithIgnoreCase(String a, String b) {
  return a != null && l(a) >= l(b) && a.regionMatches(true, l(a)-l(b), b, 0, l(b));
}
static List scanStructureLog(String progID, String fileName) {
  return scanStructureLog(getProgramFile(progID, fileName));
}

static List scanStructureLog(String fileName) {
  return scanStructureLog(getProgramFile(fileName));
}

static List scanStructureLog(File file) {
  List l = new ArrayList();
  for (String s : scanLog(file)) try {
    l.add(unstructure(s));
  } catch (Throwable __e) { printStackTrace2(__e); }
  return l;
}
static <A, B> HashMap<A, B> pairsToMap(Collection<? extends Pair<A, B>> l) {
  HashMap<A,B> map = new HashMap();
  if (l != null) for (Pair<A, B> p : l)
    map.put(p.a, p.b);
  return map;
}
static char lastChar(String s) {
  return empty(s) ? '\0' : s.charAt(l(s)-1);
}


static List<String> scanLog(String progID, String fileName) {
  return scanLog(getProgramFile(progID, fileName));
}

static List<String> scanLog(String fileName) {
  return scanLog(getProgramFile(fileName));
}

static List<String> scanLog(File file) {
  List<String> l = new ArrayList();
  for (String s : toLines(file))
    if (isProperlyQuoted(s))
      l.add(unquote(s));
  return l;
}


static boolean isProperlyQuoted(String s) {
  return s.length() >= 2
    && s.startsWith("\"")
    && s.endsWith("\"")
    && (!s.endsWith("\\\"") || s.endsWith("\\\\\""));
}
static List<String> toLines(File f) {
  return toLines(loadTextFile(f));
}

  public static List<String> toLines(String s) {
    List<String> lines = new ArrayList<String>();
    if (s == null) return lines;
    int start = 0;
    while (true) {
      int i = toLines_nextLineBreak(s, start);
      if (i < 0) {
        if (s.length() > start) lines.add(s.substring(start));
        break;
      }

      lines.add(s.substring(start, i));
      if (s.charAt(i) == '\r' && i+1 < s.length() && s.charAt(i+1) == '\n')
        i += 2;
      else
        ++i;

      start = i;
    }
    return lines;
  }

  private static int toLines_nextLineBreak(String s, int start) {
    for (int i = start; i < s.length(); i++) {
      char c = s.charAt(i);
      if (c == '\r' || c == '\n')
        return i;
    }
    return -1;
  }


static class BetterLabel extends JLabel {
  BetterLabel() {
    componentPopupMenu(this, new Object() { void get(JPopupMenu menu) { try { 
      addMenuItem(menu, "Copy text to clipboard", new Runnable() { public void run() { try { 
        copyTextToClipboard(getText());
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "copyTextToClipboard(getText());"; }});
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, \"Copy text to clipboard\", r {\r\n        copyTextToClipboard(get..."; }});
  }
  
  BetterLabel(String text) {
    this();
    setText(text);
  }
  
  public void setText(String text) {
    super.setText(text);
    setToolTipText(text);
  }
}

static abstract class F0<A> {
  abstract A get();
}

static abstract class F1<A, B> {
  abstract B get(A a);
}

static interface Producer<A> {
  public A next();
}

static ThreadLocal<Boolean> DynamicObject_loading = new ThreadLocal();

static class DynamicObject {
  String className; // just the name, without the "main$"
  LinkedHashMap<String,Object> fieldValues = new LinkedHashMap();
  
  DynamicObject() {}
  // className = just the name, without the "main$"
  DynamicObject(String className) {
  this.className = className;}
}

/** 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 class 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 + ">";
  }
}

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 ProgramScan {
  static int threads = isWindows() ? 500 : 10;
  static int timeout = 5000; // hmm...
  static String ip = "127.0.0.1";
  
  // This range is not used anymore anyway
  static int quickScanFrom = 10000, quickScanTo = 10999;

  static int maxNumberOfVMs_android = 4; // Android will always only have one if we don't screw up
  static int maxNumberOfVMs_nonAndroid = 50; // 100;
  static int maxNumberOfVMs;
  
  static boolean verbose;
  
  static class Program {
    int port;
    String helloString;
    
    Program(int port, String helloString) {
  this.helloString = helloString;
  this.port = port;}
  }
  
  static List<Program> scan() { try {
    return scan(1, 65535);
  } catch (Exception __e) { throw rethrow(__e); } }
  
  static List<Program> scan(int fromPort, int toPort) {
    return scan(fromPort, toPort, new int[0]);
  }
  
  static List<Program> scan(int fromPort, int toPort, int[] preferredPorts) { try {
    Set<Integer> preferredPortsSet = new HashSet<Integer>(asList(preferredPorts));
    int scanSize = toPort-fromPort+1;
    String name = toPort < 10000 ? "bot" : "program";
    int threads = isWindows() ? min(500, scanSize) : min(scanSize, 10);
    final ExecutorService es = Executors.newFixedThreadPool(threads);
    if (verbose) print(firstToUpper(name) + "-scanning " + ip + " with timeout " + timeout + " ms in " + threads + " threads.");
    startTiming();
    List < Future < Program > > futures = new ArrayList();
    List<Integer> ports = new ArrayList();
    for (int port : preferredPorts) {
      futures.add(checkPort(es, ip, port, timeout));
      ports.add(port);
    }
    for (int port = fromPort; port <= toPort; port++)
      if (!preferredPortsSet.contains(port) && !forbiddenPort(port)) {
        futures.add(checkPort(es, ip, port, timeout));
        ports.add(port);
      }
    es.shutdown();
    List<Program> programs = new ArrayList();
    long time = now();
    int i = 0;
    for (final Future<Program> f : futures) {
      if (verbose) print("Waiting for port " + get(ports, i++) + " at time " + (now()-time));
      Program p = f.get();
      if (p != null)
        programs.add(p);
    }
    //stopTiming("Port Scan " + scanSize + ", " + n(threads, "threads") + ": ", 250);
    if (verbose) print("Found " + programs.size() + " " + name + "(s) on " + ip);
    return programs;
  } catch (Exception __e) { throw rethrow(__e); } }

  static Future<Program> checkPort(final ExecutorService es, final String ip, final int port, final int timeout) {
    return es.submit(new Callable<Program>() {
        @Override public Program call() {
          try {
            Socket socket = new Socket();
            try {
              socket.setSoTimeout(timeout);
              socket.connect(new InetSocketAddress(ip, port), timeout);
              //if (verbose) print("Connected to " + ip + ":" + port);
              BufferedReader in = new BufferedReader(
                new InputStreamReader(socket.getInputStream(), "UTF-8"));
              String hello = or(in.readLine(), "?");
              return new Program(port, hello);
            } finally {
              socket.close();
            }
          } catch (Exception ex) {
            return null;
          }
        }
     });
  }
  
  static List<Program> quickScan() {
    return scan(quickScanFrom, quickScanTo);
  }
  
  static List<Program> quickBotScan() {
    return quickBotScan(new int[0]);
  }
  
  static List<Program> quickBotScan(int[] preferredPorts) {
    if (maxNumberOfVMs == 0)
      maxNumberOfVMs = isAndroid() ? maxNumberOfVMs_android : maxNumberOfVMs_nonAndroid;
    return scan(4999, 5000+maxNumberOfVMs-1, preferredPorts);
  }
}

  static abstract class DialogIO {
    String line;
    boolean eos, loud, noClose;
    
    abstract String readLineImpl();
    abstract boolean isStillConnected();
    abstract void sendLine(String line);
    abstract boolean isLocalConnection();
    abstract Socket getSocket();
    abstract void close();
    
    int getPort() { Socket s = getSocket(); return s == null ? 0 : s.getPort(); }
    
    boolean helloRead;
    int shortenOutputTo = 500;
    
    String readLineNoBlock() {
      String l = line;
      line = null;
      return l;
    }
    
    boolean waitForLine() { try {
      if (line != null) return true;
      //print("Readline");
      line = readLineImpl();
      //print("Readline done: " + line);
      if (line == null) eos = true;
      return line != null;
    } catch (Exception __e) { throw rethrow(__e); } }
    
    String readLine() {
      waitForLine();
      helloRead = true;
      return readLineNoBlock();
    }
    
    String ask(String s, Object... args) {
      if (loud) return askLoudly(s, args);
      if (!helloRead) readLine();
      if (args.length != 0) s = format3(s, args);
      sendLine(s);
      return readLine();
    }
    
    String askLoudly(String s, Object... args) {
      if (!helloRead) readLine();
      if (args.length != 0) s = format3(s, args);
      print("> " + shorten(s, shortenOutputTo));
      sendLine(s);
      String answer = readLine();
      print("< " + shorten(answer, shortenOutputTo));
      return answer;
    }
    
    void pushback(String l) {
      if (line != null)
        throw fail();
      line = l;
      helloRead = false;
    }
  }
  
  static abstract class DialogHandler {
    abstract void run(DialogIO io);
  }

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)); }
}




static String copyTextToClipboard(String text) {
  StringSelection selection = new StringSelection(text);
  Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
  return text;
}
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 int hashCodeFor(Object a) {
  return a == null ? 0 : a.hashCode();
}
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(JMenu menu, JMenuItem menuItem) {
  menu.add(menuItem);
}

static String fsi(String id) {
  return formatSnippetID(id);
}
static boolean equals(Object a, Object b) {
  return a == null ? b == null : a.equals(b);
}
static String getText(final JTextComponent c) {
  return c == null ? "" : (String) swingAndWait(new Object() { Object get() { try { return  c.getText() ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "c.getText()"; }});
}

static String getText(final JLabel l) {
  return l == null ? "" : (String) swingAndWait(new Object() { Object get() { try { return  l.getText() ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "l.getText()"; }});
}

// returns the contents of text field for editable combo box
static String getText(final JComboBox cb) {
  if (cb.isEditable())
    return unnull((String) cb.getEditor().getItem());
  else
    return str(cb.getSelectedItem());
}
static long stopTiming_defaultMin = 10;

static long startTiming_startTime;
static void startTiming() {
  startTiming_startTime = now();
}

static void stopTiming() {
  stopTiming(null);
}

static void stopTiming(String text) {
  stopTiming(text, stopTiming_defaultMin);
}

static void stopTiming(String text, long minToPrint) {
  long time = now()-startTiming_startTime;
  if (time >= minToPrint) {
    text = or2(text, "Time: ");
    print(text + time + " ms");
  }
}
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, 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 String firstToUpper(String s) {
  if (empty(s)) return s;
  return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}


static String nullIfEmpty(String s) {
  return isEmpty(s) ? null : s;
}
static String strUnnull(Object o) {
  return o == null ? "" : str(o);
}


static interface IVar<A> {
  void set(A a);
  A get();
  boolean has();
  void clear();
}
}