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 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.jsoup.*;
import org.jsoup.nodes.*;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
public class main {


public static void main(String[] args) throws Exception {
  makeBot("Google Image Search.");
  centerBigConsole();
  clearConsole();
  renameConsole(programName());
  print("Type what you want to see!");
}

static ImageSurface imageSurface;

static String answer(final String s) {
  print("Searching " + quote(s) + "...");
  final String url = googleImageSearch(s);
  print("Done.");
  if (nempty(url)) swingLater(new Runnable() { public void run() { try { 
    disposeFrame(imageSurface);
    final BufferedImage img = loadImage2(url);
    imageSurface = showImage(quote(s), img);
    addToWindowAndPack(imageSurface, jbutton("Upload to Database", new Runnable() { public void run() { try { 
      JTextField tf = new JTextField(s);
      /*showTitledForm("Upload to Database",
        "Name", tf,
        r {*/
          String imageURL = uploadToImageServer(img, s + " [Google]");
          print("Image Uploaded! => " + imageURL);
        //});
    
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } }));
    magiclyFocusConsole();
  
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
  return url;
}

static void clearConsole() {
  try { /* pcall 1*/ 
    swingAndWait(new Runnable() { public void run() { try { 
      Object console = get(getJavaX(), "console");
      if (console != null) {
        call(get(console, "textArea"), "setText", "");
        set(console, "buf", new StringBuffer());
      }
    
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
  /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); }
}
 // jsoup


static String googleImageSearch_userAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1";
static int googleImageSearch_timeout = 10*1000;

static String googleImageSearch(String q) { try {
 
  String googleUrl = "https://www.google.com/search?tbm=isch&q=" + urlencode(q);
  Document doc1 = Jsoup.connect(googleUrl).userAgent(googleImageSearch_userAgent).timeout(googleImageSearch_timeout).get();
  Element media = doc1.select("[data-src]").first();
  String finUrl = media.attr("abs:data-src"); 
  return htmldecode(finUrl);

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static void magiclyFocusConsole() {
  swingLater(200, new Runnable() { public void run() { try { 
    consoleFrame().toFront();
  
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
}
static void addToWindowAndPack(Component c, Component toAdd) {
  addToWindow(c, toAdd);
  packFrame(c);
}
static String uploadToImageServer(BufferedImage img) {
  return uploadToImageServer(img, "");
}

static String uploadToImageServer(BufferedImage img, String name) {
  byte[] imgData = toPNG(img);
  String page = postPage("http://ai1.lol/1004590/raw/upload", "data", bytesToHex(imgData), "name", name);
  print(page);
  Matcher m = Pattern.compile("/raw/([0-9]+)").matcher(page);
  if (!m.find()) return null;
  return "http://ai1.lol/1004590/raw/" + m.group(1);
}

static String uploadToImageServer(BWImage img) {
  return uploadToImageServer(img.getBufferedImage());
}
static void renameConsole(String title) {
  setConsoleTitle(title);
}
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 String showImage_defaultIcon = "#1004230"; // "#1004227";

static ImageSurface showImage(String snippetIDOrURL, String title) {
  return showImage(loadImage(snippetIDOrURL), title);
}

static ImageSurface showImage(String title, BufferedImage img) {
  return showImage(img, title);
}

static ImageSurface showImage(final BufferedImage img, final String title) {
  return (ImageSurface) swing(new Object() { Object get() { 
    ImageSurface is = showImage(img);
    getFrame(is).setTitle(title);
    return is;
   }
  public String toString() { return "ImageSurface is = showImage(img);\r\n    getFrame(is).setTitle(title);\r\n    return is;"; }});
}

static ImageSurface showImage(final BufferedImage img) {
  return (ImageSurface) swing(new Object() { Object get() { 
    ImageSurface is = new ImageSurface(img);
    JFrame frame = showPackedFrame(new JScrollPane(is));
    moveToTopRightCorner(frame);
    frameIcon(frame, showImage_defaultIcon);
    return is;
   }
  public String toString() { return "ImageSurface is = new ImageSurface(img);\r\n    JFrame frame = showPackedFrame(new JScrollPane(is));\r\n    moveToTopRightCorner(frame);\r\n    frameIcon(frame, showImage_defaultIcon);\r\n    return is;"; }});
}

static ImageSurface showImage(RGBImage img) {
  return showImage(img.getBufferedImage());
}

static ImageSurface showImage(RGBImage img, String title) {
  ImageSurface is = showImage(img.getBufferedImage());
  getFrame(is).setTitle(title);
  return is;
}

static ImageSurface showImage(String imageID) {
  return showImage(loadImage(imageID));
}

static ImageSurface showImage(RGBImage img, ImageSurface surface) {
  if (surface == null)
    return showImage(img);
  else {
    surface.setImage(img);
    return surface;
  }
}
static JButton jbutton(String text, Object action) {
  return newButton(text, action);
}
static void centerBigConsole() {
  setConsoleInputFontSize(20);
  consoleInputField().setHorizontalAlignment(JTextField.CENTER);
  centerConsoleFrame();
}
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 void print() {
  print("");
}

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

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 String quote(String s) {
    if (s == null) return "null";
    return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\"";
  }
  
  static String quote(long l) {
    return quote("" + l);
  }
  
  static String quote(char c) {
    return quote("" + c);
  }

static BufferedImage loadImage2(String snippetIDOrURL) {
  return loadBufferedImage(snippetIDOrURL);
}

static BufferedImage loadImage2(File file) {
  return loadBufferedImage(file);
}
static String programName() {
  return getProgramName();
}
static void disposeFrame(final Component c) {
  swingNowOrLater(new Runnable() { public void run() { try { 
    Frame f = getFrame(c);
    if (f != null)
      f.dispose();
  
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
}
static int makeBot(String greeting) {
  return makeAndroid3(greeting).port;
}

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

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


static JFrame consoleFrame() {
  return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
}
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 daemon = false;
  boolean incomingSilent = false;
  boolean useMultiPort = true;
  boolean verbose;
  
  // 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 { /* pcall 1*/ 
      //print("Dispoing virtual port " + vport);
      removeFromMultiPort(vport);
      vport = 0;
    /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); }
  }
}

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 (a.responder == null)
    a.responder = new Responder() {
      String answer(String s, List<String> history) {
        return callStaticAnswerMethod(s, history);
      }
    };
    
  print(a.greeting);
  
  if (a.useMultiPort) {
    a.vport = addToMultiPort(a.greeting,
      makeAndroid3_verboseResponder(a));
    if (a.vport == 1)
      makeAndroid3_handleConsole(a);
    return a;
  }
    
  a.handler = makeAndroid3_makeDialogHandler(a);
  a.port = a.daemon
    ? startDialogServerOnPortAboveDaemon(a.startPort, a.handler)
    : startDialogServerOnPortAbove(a.startPort, a.handler);
  a.server = startDialogServer_serverSocket;

  if (a.console && makeAndroid3_consoleInUse()) a.console = false;
  
  if (a.console)
    makeAndroid3_handleConsole(a);

  record(a);
  return a;
}

static void makeAndroid3_handleConsole(final Android3 a) {
  // Console handling stuff
  print("You may also type on this console.");
  { Thread _t_0 = new Thread() {
public void run() { try { /* pcall 1*/ 
    List<String> history = new ArrayList<String>();
    String line;
    while ((line = readLine()) != null) {
      /*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
      }
    }
  /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); } }
};
_t_0.start(); }
}

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<String>();
    
    while (io.isStillConnected()) {
      if (io.waitForLine()) {
        final String line = io.readLineNoBlock();
        String s = dialogID + " at " + now() + ": " + quote(line);
        if (!a.incomingSilent)
          print(s);
        if (eq(line, "bye")) {
          io.sendLine("bye stranger");
          return;
        }
        Matches m = new Matches();
        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);
        }
        history.add(answer);
        io.sendLine(answer);
        //appendToLog(logFile, s);
      }
    }
  }};
}

static String makeAndroid3_getAnswer(String line, List<String> history, Android3 a) {
  String answer;
  try {
    answer = makeAndroid3_fallback(line, history, a.responder.answer(line, history));
  } catch (Throwable e) {
    e = getInnerException(e);
    printStackTrace(e);
    answer = e.toString();
  }
  if (!a.incomingSilent)
    print("> " + shorten(answer, 500));
  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("> " + s);
      String answer = a.responder.answer(s, history);
      if (a.verbose)
        print("< " + answer);
      return answer;
    }
  };
}

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

static String urlencode(String x) {
  try {
    return URLEncoder.encode(unnull(x), "UTF-8");
  } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); }
}
static JFrame getFrame(Object 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;
}
static void centerConsoleFrame() {
  centerFrame(consoleFrame());
}
  static RGBImage loadImage(String snippetIDOrURL) {
    return new RGBImage(loadBufferedImage(snippetIDOrURL));
  }

  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 void setConsoleTitle(String title) {
  callOpt(consoleFrame_gen(), "setTitle", title);
}
static String postPage(String url, Object... params) {
  return doPost(litmap(params), url);
}
// get purpose 1: access a list/array (safer version of x.get(y))

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

static Class get_dynamicObject = findClass("DynamicObject");

// 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 (get_dynamicObject != null && get_dynamicObject.isInstance(o))
      return call(get_raw(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(int delay, final Runnable r) {
  javax.swing.Timer timer = new javax.swing.Timer(delay, new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) {
    r.run();
  }});
  timer.setRepeats(false);
  timer.start();
}

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

static void swingAndWait(Runnable r) { try {
 
  if (isAWTThread())
    r.run();
  else
    EventQueue.invokeAndWait(r);

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__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 __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
    return result.get();
  }
}
static void setConsoleInputFontSize(int size) {
  JTextField input = consoleInputField();
  if (input != null) {
    input.setFont(sansSerif(size));
    revalidateFrame(input);
  }
}
static JFrame showPackedFrame(String title, Component contents) {
  return packFrame(showFrame(title, contents));
}

static JFrame showPackedFrame(Component contents) {
  return packFrame(showFrame(contents));
}
static Class __javax;

static Class getJavaX() {
  return __javax;
}
static String htmldecode(final String input) {
  if (input == null) return null;
  
  final int MIN_ESCAPE = 2;
  final int MAX_ESCAPE = 6;

  StringWriter writer = null;
  int len = input.length();
  int i = 1;
  int st = 0;
  while (true) {
      // look for '&'
      while (i < len && input.charAt(i-1) != '&')
          i++;
      if (i >= len)
          break;

      // found '&', look for ';'
      int j = i;
      while (j < len && j < i + MAX_ESCAPE + 1 && input.charAt(j) != ';')
          j++;
      if (j == len || j < i + MIN_ESCAPE || j == i + MAX_ESCAPE + 1) {
          i++;
          continue;
      }

      // found escape 
      if (input.charAt(i) == '#') {
          // numeric escape
          int k = i + 1;
          int radix = 10;

          final char firstChar = input.charAt(k);
          if (firstChar == 'x' || firstChar == 'X') {
              k++;
              radix = 16;
          }

          try {
              int entityValue = Integer.parseInt(input.substring(k, j), radix);

              if (writer == null) 
                  writer = new StringWriter(input.length());
              writer.append(input.substring(st, i - 1));

              if (entityValue > 0xFFFF) {
                  final char[] chrs = Character.toChars(entityValue);
                  writer.write(chrs[0]);
                  writer.write(chrs[1]);
              } else {
                  writer.write(entityValue);
              }

          } catch (NumberFormatException ex) { 
              i++;
              continue;
          }
      }
      else {
          // named escape
          CharSequence value = htmldecode_lookupMap.get(input.substring(i, j));
          if (value == null) {
              i++;
              continue;
          }

          if (writer == null) 
              writer = new StringWriter(input.length());
          writer.append(input.substring(st, i - 1));

          writer.append(value);
      }

      // skip escape
      st = j + 1;
      i = st;
  }

  if (writer != null) {
      writer.append(input.substring(st, len));
      return writer.toString();
  }
  return input;
}

private static final String[][] htmldecode_ESCAPES = {
    {"\"",     "quot"}, // " - double-quote
    {"&",      "amp"}, // & - ampersand
    {"<",      "lt"}, // < - less-than
    {">",      "gt"}, // > - greater-than

    // Mapping to escape ISO-8859-1 characters to their named HTML 3.x equivalents.
    {"\u00A0", "nbsp"}, // non-breaking space
    {"\u00A1", "iexcl"}, // inverted exclamation mark
    {"\u00A2", "cent"}, // cent sign
    {"\u00A3", "pound"}, // pound sign
    {"\u00A4", "curren"}, // currency sign
    {"\u00A5", "yen"}, // yen sign = yuan sign
    {"\u00A6", "brvbar"}, // broken bar = broken vertical bar
    {"\u00A7", "sect"}, // section sign
    {"\u00A8", "uml"}, // diaeresis = spacing diaeresis
    {"\u00A9", "copy"}, // copyright sign
    {"\u00AA", "ordf"}, // feminine ordinal indicator
    {"\u00AB", "laquo"}, // left-pointing double angle quotation mark = left pointing guillemet
    {"\u00AC", "not"}, // not sign
    {"\u00AD", "shy"}, // soft hyphen = discretionary hyphen
    {"\u00AE", "reg"}, // registered trademark sign
    {"\u00AF", "macr"}, // macron = spacing macron = overline = APL overbar
    {"\u00B0", "deg"}, // degree sign
    {"\u00B1", "plusmn"}, // plus-minus sign = plus-or-minus sign
    {"\u00B2", "sup2"}, // superscript two = superscript digit two = squared
    {"\u00B3", "sup3"}, // superscript three = superscript digit three = cubed
    {"\u00B4", "acute"}, // acute accent = spacing acute
    {"\u00B5", "micro"}, // micro sign
    {"\u00B6", "para"}, // pilcrow sign = paragraph sign
    {"\u00B7", "middot"}, // middle dot = Georgian comma = Greek middle dot
    {"\u00B8", "cedil"}, // cedilla = spacing cedilla
    {"\u00B9", "sup1"}, // superscript one = superscript digit one
    {"\u00BA", "ordm"}, // masculine ordinal indicator
    {"\u00BB", "raquo"}, // right-pointing double angle quotation mark = right pointing guillemet
    {"\u00BC", "frac14"}, // vulgar fraction one quarter = fraction one quarter
    {"\u00BD", "frac12"}, // vulgar fraction one half = fraction one half
    {"\u00BE", "frac34"}, // vulgar fraction three quarters = fraction three quarters
    {"\u00BF", "iquest"}, // inverted question mark = turned question mark
    {"\u00C0", "Agrave"}, // ? - uppercase A, grave accent
    {"\u00C1", "Aacute"}, // ? - uppercase A, acute accent
    {"\u00C2", "Acirc"}, // ? - uppercase A, circumflex accent
    {"\u00C3", "Atilde"}, // ? - uppercase A, tilde
    {"\u00C4", "Auml"}, // ? - uppercase A, umlaut
    {"\u00C5", "Aring"}, // ? - uppercase A, ring
    {"\u00C6", "AElig"}, // ? - uppercase AE
    {"\u00C7", "Ccedil"}, // ? - uppercase C, cedilla
    {"\u00C8", "Egrave"}, // ? - uppercase E, grave accent
    {"\u00C9", "Eacute"}, // ? - uppercase E, acute accent
    {"\u00CA", "Ecirc"}, // ? - uppercase E, circumflex accent
    {"\u00CB", "Euml"}, // ? - uppercase E, umlaut
    {"\u00CC", "Igrave"}, // ? - uppercase I, grave accent
    {"\u00CD", "Iacute"}, // ? - uppercase I, acute accent
    {"\u00CE", "Icirc"}, // ? - uppercase I, circumflex accent
    {"\u00CF", "Iuml"}, // ? - uppercase I, umlaut
    {"\u00D0", "ETH"}, // ? - uppercase Eth, Icelandic
    {"\u00D1", "Ntilde"}, // ? - uppercase N, tilde
    {"\u00D2", "Ograve"}, // ? - uppercase O, grave accent
    {"\u00D3", "Oacute"}, // ? - uppercase O, acute accent
    {"\u00D4", "Ocirc"}, // ? - uppercase O, circumflex accent
    {"\u00D5", "Otilde"}, // ? - uppercase O, tilde
    {"\u00D6", "Ouml"}, // ? - uppercase O, umlaut
    {"\u00D7", "times"}, // multiplication sign
    {"\u00D8", "Oslash"}, // ? - uppercase O, slash
    {"\u00D9", "Ugrave"}, // ? - uppercase U, grave accent
    {"\u00DA", "Uacute"}, // ? - uppercase U, acute accent
    {"\u00DB", "Ucirc"}, // ? - uppercase U, circumflex accent
    {"\u00DC", "Uuml"}, // ? - uppercase U, umlaut
    {"\u00DD", "Yacute"}, // ? - uppercase Y, acute accent
    {"\u00DE", "THORN"}, // ? - uppercase THORN, Icelandic
    {"\u00DF", "szlig"}, // ? - lowercase sharps, German
    {"\u00E0", "agrave"}, // ? - lowercase a, grave accent
    {"\u00E1", "aacute"}, // ? - lowercase a, acute accent
    {"\u00E2", "acirc"}, // ? - lowercase a, circumflex accent
    {"\u00E3", "atilde"}, // ? - lowercase a, tilde
    {"\u00E4", "auml"}, // ? - lowercase a, umlaut
    {"\u00E5", "aring"}, // ? - lowercase a, ring
    {"\u00E6", "aelig"}, // ? - lowercase ae
    {"\u00E7", "ccedil"}, // ? - lowercase c, cedilla
    {"\u00E8", "egrave"}, // ? - lowercase e, grave accent
    {"\u00E9", "eacute"}, // ? - lowercase e, acute accent
    {"\u00EA", "ecirc"}, // ? - lowercase e, circumflex accent
    {"\u00EB", "euml"}, // ? - lowercase e, umlaut
    {"\u00EC", "igrave"}, // ? - lowercase i, grave accent
    {"\u00ED", "iacute"}, // ? - lowercase i, acute accent
    {"\u00EE", "icirc"}, // ? - lowercase i, circumflex accent
    {"\u00EF", "iuml"}, // ? - lowercase i, umlaut
    {"\u00F0", "eth"}, // ? - lowercase eth, Icelandic
    {"\u00F1", "ntilde"}, // ? - lowercase n, tilde
    {"\u00F2", "ograve"}, // ? - lowercase o, grave accent
    {"\u00F3", "oacute"}, // ? - lowercase o, acute accent
    {"\u00F4", "ocirc"}, // ? - lowercase o, circumflex accent
    {"\u00F5", "otilde"}, // ? - lowercase o, tilde
    {"\u00F6", "ouml"}, // ? - lowercase o, umlaut
    {"\u00F7", "divide"}, // division sign
    {"\u00F8", "oslash"}, // ? - lowercase o, slash
    {"\u00F9", "ugrave"}, // ? - lowercase u, grave accent
    {"\u00FA", "uacute"}, // ? - lowercase u, acute accent
    {"\u00FB", "ucirc"}, // ? - lowercase u, circumflex accent
    {"\u00FC", "uuml"}, // ? - lowercase u, umlaut
    {"\u00FD", "yacute"}, // ? - lowercase y, acute accent
    {"\u00FE", "thorn"}, // ? - lowercase thorn, Icelandic
    {"\u00FF", "yuml"}, // ? - lowercase y, umlaut
    
    {"'", "apos"}, // the controversial (but who cares!) &apos;
      // stackoverflow.com/questions/2083754/why-shouldnt-apos-be-used-to-escape-single-quotes
  };

private static final HashMap<String, CharSequence> htmldecode_lookupMap;
static {
    htmldecode_lookupMap = new HashMap<String, CharSequence>();
    for (final CharSequence[] seq : htmldecode_ESCAPES) 
        htmldecode_lookupMap.put(seq[1].toString(), seq[0]);
}
static void set(Object o, String field, Object value) {
  if (o instanceof Class) set((Class) o, field, value);
  else try {
    Field f = set_findField(o.getClass(), field);
    smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

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

static Field set_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static int packFrame_minw = 150, packFrame_minh = 50;

static JFrame packFrame(Component c) {
  JFrame frame = getFrame(c);
  if (frame == null) return 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)));
  return frame;
}
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 JTextField consoleInputField() {
  return (JTextField) getOpt(get(getJavaX(), "console"), "tfInput");
}
  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;
  }


static Object swing(Object f) {
  return swingAndWait(f);
}
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;
  
  return new Responder() {
    String answer(String s, List<String> history) {
      return makeResponder_callAnswerMethod(bot, s, history);
    }
  };
}
static void addToWindow(Component c, Component toAdd) {
  JFrame frame = getFrame(c);
  Container cp = frame.getContentPane();

  JPanel newCP = new JPanel();
  newCP.setLayout(new BorderLayout());
  newCP.add(BorderLayout.CENTER, cp);
  newCP.add(BorderLayout.SOUTH, toAdd);
  
  frame.setContentPane(newCP);
  
  // magic combo to actually relayout and repaint
  frame.revalidate();
  frame.repaint();
}
static boolean loadBufferedImage_useImageCache = true;

static BufferedImage loadBufferedImage(String snippetIDOrURL) { try {
 
  if (isURL(snippetIDOrURL))
    return ImageIO.read(new URL(snippetIDOrURL));

  if (!isSnippetID(snippetIDOrURL)) throw fail("Not a URL or snippet ID: " + snippetIDOrURL);
  String snippetID = "" + parseSnippetID(snippetIDOrURL);
  
try {
  // TODO: androidify
  File dir = new File(System.getProperty("user.home"), ".tinybrain/image-cache");
  if (loadBufferedImage_useImageCache) {
    dir.mkdirs();
    File file = new File(dir, snippetID + ".png");
    if (file.exists() && file.length() != 0)
      try {
        return ImageIO.read(file);
      } catch (Throwable e) {
        e.printStackTrace();
        // fall back to loading from sourceforge
      }
  }

  String imageURL = snippetImageURL(snippetID);
  System.err.println("Loading image: " + imageURL);
  BufferedImage image = ImageIO.read(new URL(imageURL));

  if (loadBufferedImage_useImageCache) {
    File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis());
    ImageIO.write(image, "png", tempFile);
    tempFile.renameTo(new File(dir, snippetID + ".png"));
    //Log.info("Cached image.");
  }

  //Log.info("Loaded image.");
  return image;
 } catch (IOException e) {
  throw new RuntimeException(e);
 }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static BufferedImage loadBufferedImage(File file) { try {
 
  return ImageIO.read(file);

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String getProgramName_cache;

static synchronized String getProgramName() {
  if (getProgramName_cache == null)
    getProgramName_cache = getSnippetTitle(getProgramID());
  return getProgramName_cache;
}
static byte[] toPNG(BufferedImage img) {
  return convertToPNG(img);
}
// action can be Runnable or a function name
static JButton newButton(String text, final Object action) {
  JButton btn = new JButton(text);
  btn.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) {
    callFunction(action);
  }});
  return btn;
}
static int moveToTopRightCorner_inset = 20;

static void moveToTopRightCorner(Window w) {
  w.setLocation(getScreenSize().width-w.getWidth()-moveToTopRightCorner_inset, moveToTopRightCorner_inset);
}

static JFrame frameIcon(JFrame frame, String imageID) {
  return setFrameIconLater(frame, imageID);
}


static Object callF(Object f, Object... args) {
  return callFunction(f, args);
}
static Object callFunction(Object f, Object... args) {
  if (f == null) return null;
  if (f instanceof Runnable) {
    ((Runnable) f).run();
    return null;
  } else if (f instanceof String)
    return call(mc(), (String) f, args);
  else
    return call(f, "get", args);
  //else throw fail("Can't call a " + getClassName(f));
}
static String shorten(String s, int max) {
  if (s == null) return "";
  return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}
static List<Object> record_list = synchroList();

static void record(Object o) {
  record_list.add(o);
}
static boolean isURL(String s) {
  return s.startsWith("http://") || s.startsWith("https://");
}
static boolean isAWTThread() {
  return SwingUtilities.isEventDispatchThread();
}
static void printStackTrace(Throwable e) {
  // we go to system.out now - system.err is nonsense
  print(getStackTrace(e));
}

static void printStackTrace() {
  printStackTrace(new Throwable());
}
// 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) {
  if (!isJavaIdentifier(name)) return null;
  try {
    return Class.forName("main$" + name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}
static Map litmap(Object... x) {
  TreeMap map = new TreeMap();
  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 void removeFromMultiPort(long vport) {
  for (Object port : getMultiPorts())
    call(port, "removePort", vport);
}
static String doPost(Map urlParameters, String url) {
  return doPost(makePostData(urlParameters), url);
}

static String doPost(String urlParameters, String url) { try {
 
  URL _url = new URL(url);
  return doPost(urlParameters, _url.openConnection(), _url);

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static String doPost(String urlParameters, URLConnection conn, URL url) { try {
 
  String computerID = getComputerID();
  if (computerID != null)
    conn.setRequestProperty("X-ComputerID", computerID);
    
  print("Sending POST request: " + url);
      
  // connect and do POST
  conn.setDoOutput(true);

  OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
  writer.write(urlParameters);
  writer.flush();

  String contents = loadPage(conn, url);
  writer.close();
  return contents;

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  static RuntimeException fail() {
    throw new RuntimeException("fail");
  }
  
  static RuntimeException fail(Object msg) {
    throw new RuntimeException(String.valueOf(msg));
  }
  
  static RuntimeException fail(String msg) {
    throw new RuntimeException(unnull(msg));
  }
   
  // disabled for now to shorten some programs 
  /*static RuntimeException fail(S msg, O... args) {
    throw new RuntimeException(format(msg, args));
  }*/
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);
}

static String programID;

static String getProgramID() {
  return nempty(programID) ? formatSnippetID(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 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 Object[] unnull(Object[] a) {
    return a == null ? new Object[0] : a;
  }
static int getScreenWidth() {
  return getScreenSize().width;
}
  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }
static void centerFrame(JFrame frame) {
  frame.setLocationRelativeTo(null); // magic trick
}
static Font sansSerif(int fontSize) {
  return new Font(Font.SANS_SERIF, Font.PLAIN, fontSize);
}
static int min(int a, int b) {
  return Math.min(a, b);
}

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 byte min(byte[] c) {
  byte x = 127;
  for (byte d : c) if (d < x) x = d;
  return x;
}
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(JFrame frame) {
  if (frameTooSmall(frame)) frameStandardSize(frame);
  frame.setVisible(true);
  return frame;
}
static int max(int a, int b) {
  return Math.max(a, b);
}

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 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 byte max(byte[] c) {
  byte x = -128;
  for (byte d : c) if (d > x) x = d;
  return x;
}
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 int l(Object o) {
  return l((List) o); // incomplete
}

static Throwable getInnerException(Throwable e) {
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}
static int getScreenHeight() {
  return getScreenSize().height;
}
static Object getOpt(Object o, String field) {
  if (o instanceof String) o = getBot ((String) o);
  if (o == null) return null;
  if (o instanceof Class) return getOpt((Class) o, field);
  
  if (o.getClass().getName().equals("main$DynamicObject"))
    return ((Map) getOpt_raw(o, "fieldValues")).get(field);
  
  if (o instanceof Map) return ((Map) o).get(field);
  
  return getOpt_raw(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);
  }
}

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 Field getOpt_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static String getSnippetTitle(String id) { try {
 
  if (!isSnippetID(id)) return "?";
  return trim(loadPageSilently(new URL("http://tinybrain.de:8080/tb-int/getfield.php?id=" + parseSnippetID(id) + "&field=title")));

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  // class Matches is added by #752
 
  static boolean match3(String pat, String s) {
    return match3(pat, s, null);
  }
  
  static boolean match3(String pat, String s, Matches matches) {
    if (s == null) return false;
    return match3(pat, parse3(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;
    else {
      if (matches != null) matches.m = m;
      return true;
    }
  }
static RuntimeException asRuntimeException(Throwable t) {
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static boolean publicCommOn() {
  return "1".equals(loadTextFile(new File(userHome(), ".javax/public-communication")));
}
// 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 byte[] convertToPNG(BufferedImage img) { try {
 
  ByteArrayOutputStream stream = new ByteArrayOutputStream();
  ImageIO.write(img, "png", stream);
  return stream.toByteArray();

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String getInjectionID() {
  return (String) call(getJavaX(), "getInjectionID", getMainClass());
}
 static String snippetImageURL(String snippetID) {
    long id = parseSnippetID(snippetID);
    String url;
    if (id == 1000010 || id == 1000012)
      url = "http://tinybrain.de:8080/tb/show-blobimage.php?id=" + id;
    else
      url = "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id
        + "&contentType=image/png";
    return url;
  }
static boolean eq(Object a, Object b) {
  if (a == null) return b == null;
  if (a.equals(b)) return true;
  if (a instanceof BigInteger) {
    if (b instanceof Integer) return a.equals(BigInteger.valueOf((Integer) b));
    if (b instanceof Long) return a.equals(BigInteger.valueOf((Long) b));
  }
  return false;
}
static Object consoleFrame_gen() {
  return getOpt(getOpt(getJavaX(), "console"), "frame");
}
static JFrame setFrameIconLater(final JFrame frame, final String imageID) {
  if (frame != null)
    { /*nt*/ Thread _t_0 = new Thread("Loading Icon") {
public void run() { /* in run */ try { /* pcall 1*/  /* in thread */ 
  
      final Image i = imageIcon(imageID).getImage();
      swingLater(new Runnable() { public void run() { try { 
        frame.setIconImage(i);
      
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
    /* in thread */ /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); } /* in run */ }
};
_t_0.start(); }
  return frame;
}
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) {
    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;
}


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 AtomicInteger dialogServer_clients = new AtomicInteger();
  static boolean dialogServer_printConnects;
  
  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 (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
    
    String readLineImpl() { try {
 
      return in.readLine();
    
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__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();
   
    print("Dialog server on port " + port + " started."); 
    return true;
  }
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}

static Dimension getScreenSize() {
  return Toolkit.getDefaultToolkit().getScreenSize();
}
// try to get our current process ID
static String getPID() {
  String name = ManagementFactory.getRuntimeMXBean().getName();
  return name.replaceAll("@.*", "");
}
  public 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.endsWith("\"")*/ && s.length() > 1) {
      String st = s.substring(1, s.endsWith("\"") ? s.length()-1 : s.length());
      StringBuilder sb = new StringBuilder(st.length());
  
      for (int i = 0; i < st.length(); i++) {
        char ch = st.charAt(i);
        if (ch == '\\') {
          char nextChar = (i == st.length() - 1) ? '\\' : st
                  .charAt(i + 1);
          // Octal escape?
          if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
                      && st.charAt(i + 1) <= '7') {
                  code += st.charAt(i + 1);
                  i++;
                  if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
                          && st.charAt(i + 1) <= '7') {
                      code += st.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 >= st.length() - 5) {
                  ch = 'u';
                  break;
              }
              int code = Integer.parseInt(
                      "" + st.charAt(i + 2) + st.charAt(i + 3)
                              + st.charAt(i + 4) + st.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();      
    } else
      return s; // return original
  }
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, List<String> history) {
  String answer = (String) callOpt(mc(), "answer", s, history);
  if (answer == null)
    answer = (String) callOpt(mc(), "answer", s);
  return emptyToNull(answer);
}
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();
    
  f.set(o, value);
}
static void revalidateFrame(Component c) {
  revalidate(getFrame(c));
}
static BufferedReader readLine_reader;

static String readLine() {
  return (String) call(getJavaX(), "readLine");
}
static int randomID_defaultLength = 12;

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

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


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(String title, Object content, boolean showIt) {
  JFrame frame = new JFrame(title);
  if (content != null)
    frame.getContentPane().add(wrap(content));
  frame.setBounds(300, 100, 500, 400);
  if (showIt)
    frame.setVisible(true);
  //callOpt(content, "requestFocus");
  //exitOnFrameClose(frame);
  
  // standard right-click behavior on titles
  if (isSubstanceLAF())
    onTitleRightClick(frame, new Runnable() { public void run() { try {  showConsole(); 
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
  return frame;
}
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 Object getBot(String botID) {
  return callOpt(getMainBot(), "getBot", botID);
}

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 boolean isJavaIdentifier(String s) {
  if (s.length() == 0 || !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 <A> Set<A> synchroTreeSet() {
  return Collections.synchronizedSet(new TreeSet<A>());
}

static String getComputerID() { try {
 
  return computerID();

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  static List<String> parse3(String s) {
    return dropPunctuation(javaTokPlusPeriod(s));
  }
  static ThreadLocal<String> loadPage_charset = new ThreadLocal<String>();
  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 = 60; // seconds

  public static String loadPageSilently(String url) {
    try {
      return loadPageSilently(new URL(loadPage_preprocess(url)));
    } catch (IOException e) { throw new RuntimeException(e); }
  }

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

  static String loadPage_preprocess(String url) {  
    if (url.startsWith("tb/"))
      url = "tinybrain.de:8080/" + url;
    if (url.indexOf("://") < 0)
      url = "http://" + url;
    return url;
  }
  
  public static String loadPage(String url) {
    try {
      url = loadPage_preprocess(url);
      print("Loading: " + url);
      return loadPageSilently(new URL(url));
    } catch (IOException e) { throw new RuntimeException(e); }
  }
  
  public static String loadPage(URL url) {
    print("Loading: " + url.toExternalForm());
    return loadPageSilently(url);
  }

  public static String loadPage(URLConnection con, URL url) throws IOException {
    try {
      if (!loadPage_anonymous) {
        String computerID = getComputerID();
        if (computerID != null)
          con.setRequestProperty("X-ComputerID", computerID);
      }
      if (loadPage_allowGzip)
        con.setRequestProperty("Accept-Encoding", "gzip");
    } catch (Throwable e) {} // fails if within doPost
    String contentType = con.getContentType();
    if (contentType == null)
      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();
    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();
  }
  
  static String loadPage_guessCharset(String contentType) {
    Pattern p = Pattern.compile("text/[a-z]+;\\s+charset=([^\\s]+)\\s*");
    Matcher m = p.matcher(contentType);
    /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
    return m.matches() ? m.group(1) : "ISO-8859-1";
  }

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 Class getMainClass() { try {
 
  return Class.forName("main");

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static Class getMainClass(Object o) { try {
 
  return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
// 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()) {
    /*if (debug)
      print("Size mismatch: " + structure(pat) + " vs " + structure(tok));*/
    return null;
  }
  for (int i = 1; i < pat.size(); i += 2) {
    String p = pat.get(i), t = tok.get(i);
    /*if (debug)
      print("Checking " + p + " against " + t);*/
    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 boolean frameTooSmall(JFrame frame) {
  return frame.getWidth() < 100 || frame.getHeight() < 50;
}
static boolean empty(Collection c) {
  return isEmpty(c);
}

static boolean empty(String s) {
  return isEmpty(s);
}

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 String getStackTrace(Throwable throwable) {
  StringWriter writer = new StringWriter();
  throwable.printStackTrace(new PrintWriter(writer));
  return writer.toString();
}
static Object mc() {
  return getMainClass();
}
static String makePostData(Map<Object, Object> map) {
  List<String> l = new ArrayList<String>();
  for (Map.Entry<Object, Object> e : map.entrySet()) {
    String key = (String) ( e.getKey());
    String value = structureOrText(e.getValue());
    l.add(urlencode(key) + "=" + urlencode(value));
  }
  return join("&", l);
}

static String makePostData(Object... params) {
  return makePostData(litorderedmap(params));
}

static String formatSnippetID(String id) {
  return "#" + parseSnippetID(id);
}

static String formatSnippetID(long id) {
  return "#" + id;
}
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static <A> A last(List<A> l) {
  return l.isEmpty() ? null : l.get(l.size()-1);
}

static char last(String s) {
  return empty(s) ? '#' : s.charAt(l(s)-1);
}
static List<Object> getMultiPorts() {
  return (List) callOpt(getJavaX(), "getMultiPorts");
}
static String emptyToNull(String s) {
  return eq(s, "") ? null : s;
}
static boolean forbiddenPort(int port) {
  return port == 5037; // adb
}

static void revalidate(Component c) {
  if (c == null) return;
  // magic combo to actually relayout and repaint
  c.revalidate();
  c.repaint();
}
static List emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}
static void frameStandardSize(JFrame frame) {
  frame.setBounds(300, 100, 500, 400);
}
static <A> List<A> synchroList() {
  return Collections.synchronizedList(new ArrayList<A>());
}

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

static ImageIcon imageIcon(String imageID) { try {
 
  return new ImageIcon(loadBinarySnippet(imageID).toURI().toURL());

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static ImageIcon imageIcon(BufferedImage img) {
  return new ImageIcon(img);
}
  public static String loadTextFile(String fileName) {
    try {
      return loadTextFile(fileName, null);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  public static String loadTextFile(String fileName, String defaultContents) throws IOException {
    if (!new File(fileName).exists())
      return defaultContents;

    FileInputStream fileInputStream = new FileInputStream(fileName);
    InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
    return loadTextFile(inputStreamReader);
  }
  
  public static String loadTextFile(File fileName) {
    try {
      return loadTextFile(fileName, null);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  public static String loadTextFile(File fileName, String defaultContents) throws IOException {
    try {
      return loadTextFile(fileName.getPath(), defaultContents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  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 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);
}
// start multi-port if none exists in current VM.
static void startMultiPort() {
  List mp = getMultiPorts();
  if (mp != null && mp.isEmpty())
    callMain(hotwire("#1001672"));
}


static void onTitleRightClick(final JFrame frame, final Runnable r) {
  swingLater(new Runnable() { public void run() { try { 
    if (!isSubstanceLAF())
      print("Can't add title right click!");
    else {
      JComponent titleBar = getTitlePaneComponent(frame);
      titleBar.addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent evt) {
          if (evt.getButton() != MouseEvent.BUTTON1)
            r.run();
        }
      });
    }
  
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
}
  public static String join(String glue, Iterable<String> strings) {
    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));
  }
  
  public static String join(Iterable<String> strings) {
    return join("", strings);
  }
  
  public static String join(String[] strings) {
    return join("", strings);
  }

static boolean equalsIgnoreCase(String a, String b) {
  return a == null ? b == null : a.equalsIgnoreCase(b);
}
static boolean isSubstanceLAF() {
  return substanceLookAndFeelEnabled();
}
static String str(Object o) {
  return String.valueOf(o);
}
static String getType(Object o) {
  return getClassName(o);
}
static File loadBinarySnippet(String snippetID) { try {
 
  long id = parseSnippetID(snippetID);
  File f = DiskSnippetCache_getLibrary(id);
  if (f == null) {
    byte[] data = loadDataSnippetImpl(snippetID);
    DiskSnippetCache_putLibrary(id, data);
    f = DiskSnippetCache_getLibrary(id);
  }
  return f;

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static void showConsole() {
  JFrame frame = consoleFrame();
  if (frame != null)
    frame.setVisible(true);
}
static Object mainBot;

static Object getMainBot() {
  return mainBot;
}
static String exceptionToStringShort(Throwable 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 String programTitle() {
  return getProgramName();
}
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 String loadPageThroughProxy(String url) {
  adbForward();
  DialogIO io = talkToOpt("localhost", 4995); // Test ADB Bridge
  if (io == null)
    io = talkToOpt(gateway(), 4999); // Phone, Public Comm Bot
  if (io == null) return null;
  String answer = unquote(io.ask(forward("Awareness", format("loadPage *", url))));
  io.close();
  if (swic(answer, "ok "))
    return answer.substring(3);
  throw fail(answer);
}
// c = Component or something implementing swing()
static Component wrap(Object swingable) {
  Component c = (Component) ( swingable instanceof Component ? swingable : call(swingable, "swing"));
  if (c instanceof JTable || c instanceof JList
    || c instanceof JTextArea || c instanceof JEditorPane
    || c instanceof JTextPane)
    return new JScrollPane(c);
  return c;
}

static LinkedHashMap litorderedmap(Object... x) {
  LinkedHashMap map = new LinkedHashMap();
  litmap_impl(map, x);
  return map;
}
static void callMain(Object c, String... args) {
  callOpt(c, "main", new Object[] {args});
}
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 (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static URLConnection openConnection(URL url) { try {
 
  ping();
  return url.openConnection();

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
// 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 void sleepSeconds(double s) {
  if (s > 0) sleep(round(s*1000));
}
  // compile JavaX source, load classes & return main class
  // src can be a snippet ID or actual source code
  // TODO: record injection?
  
  static Class<?> hotwire(String src) {
    try {
      Class j = getJavaX();
      
      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");
        if (androidContext != null)
          return (Class) call(j, "loadx2android", srcDir, src);
          
        File classesDir = (File) call(j, "TempDirMaker_make");
        String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir);
        System.out.println(javacOutput);
        
        URL[] urls = new URL[libraries.size()+1];
        urls[0] = classesDir.toURI().toURL();
        for (int i = 0; i < libraries.size(); i++)
          urls[i+1] = libraries.get(i).toURI().toURL();
  
        // make class loader
        URLClassLoader classLoader = new URLClassLoader(urls);
    
        // load & return main class
        Class<?> theClass = classLoader.loadClass("main");
        
        callOpt(j, "registerSourceCode", theClass, loadTextFile(new File(srcDir, "main.java")));

        call(j, "setVars", theClass, isSnippetID(src) ? src: null);
        
        if (isSnippetID(src))
          callOpt(j, "addInstance", src, theClass);
          
        if (!_inCore())
          hotwire_copyOver(theClass);
  
        return theClass;
      }
    } catch (Exception e) {
      throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
    }
  }
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 structureOrText(Object o) {
  return o instanceof String ? (String) o : structure(o);
}
static File userDir() {
  return new File(userHome());
}

static File userDir(String path) {
  return new File(userHome(), path);
}
static boolean isAndroid() { return System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0; }


static boolean substanceLookAndFeelEnabled() {
  return startsWith(getLookAndFeel(), "org.pushingpixels.");
}
static DialogIO talkToOpt(String host, int port) {
  try {
    return talkTo(host, port);
  } catch (Throwable e) {
    return null;
  }
}
static JComponent getTitlePaneComponent(Window window) {
  if (!substanceLookAndFeelEnabled()) return null;
  
	JRootPane rootPane = null;
	if (window instanceof JFrame) {
		JFrame f = (JFrame) window;
		rootPane = f.getRootPane();
	}
	if (window instanceof JDialog) {
		JDialog d = (JDialog) window;
		rootPane = d.getRootPane();
	}
	if (rootPane != null) {
		Object /*SubstanceRootPaneUI*/ ui = rootPane.getUI();
		return (JComponent) call(ui, "getTitlePane");
	}
	return null;
}

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 = synchroMap(new WeakHashMap());

// returns true if it did anything
static boolean ping() {
  if (ping_pauseAll) {
    do
      sleep(ping_sleep);
    while (ping_pauseAll);
    return true;
  }
  
  if (ping_anyActions) {
    Object action;
    synchronized(mc()) {
      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;
}
static boolean swic(String a, String b) {
  return startsWithIgnoreCase(a, b);
}
static boolean _inCore() {
  return false;
}
static void sleep(long ms) {
  try {
    Thread.sleep(ms);
  } catch (Exception e) { throw new RuntimeException(e); }
}

static void sleep() { try {
 
  print("Sleeping.");
  synchronized(main.class) { main.class.wait(); }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  
  // Data files are immutable, use centralized cache
public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
  File file = new File(getGlobalCache(), "data_" + snippetID + ".jar");
  return file.exists() ? file : null;
}

public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
  saveBinaryFile(new File(getGlobalCache(), "data_" + snippetID).getPath() + ".jar", 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 String baseClassName(String className) {
  return substring(className, className.lastIndexOf('.'));
}

static String baseClassName(Object o) {
  return baseClassName(getClassName(o));
}
static String forward(String bot, String msg, Object... args) {
  return format("please forward to bot *: *", bot, format(msg, args));
}
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 String format(String pat, Object... args) {
    return format3(pat, args);
  }

  /** writes safely (to temp file, then rename) */
  public static void saveTextFile(String fileName, String contents) throws IOException {
    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 = new FileOutputStream(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);
  }
  
  public static void saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

static TimedCache<String> adbForward_list = new TimedCache(10);

static void adbForward() {
  if (!isOnPATH("adb"))
    print("adb not on path");
  else {
    backtick_verbose = true;
    String list = adbForward_list.get(new Object() { Object get() { return backtick("adb forward --list"); }});
    if (!contains(list, "4995"))
      backtick("adb forward tcp:4995 tcp:4999");
  }
}
static String getClassName(Object o) {
  return o == null ? "null" : o.getClass().getName();
}
static String dropSuffix(String suffix, String s) {
  return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static String structure(Object o) {
  HashSet refd = new HashSet();
  return structure_2(structure_1(o, new structure_Data(refd)), refd);
}

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

static int structure_shareStringsLongerThan = 20;

static class structure_Data {
  int stringSizeLimit;
  IdentityHashMap<Object, Integer> seen = new IdentityHashMap<Object, Integer>();
  HashSet<Integer> refd;
  HashMap<String, Integer> strings = new HashMap<String, Integer>();
  HashSet<String> concepts = new HashSet<String>();
  Class conceptClass = findClass("Concept");
  
  structure_Data(HashSet<Integer> refd) {
  this.refd = refd;}
}

static String structure_1(Object o, structure_Data d) {
  if (o == null) return "null";
  
  // these are never back-referenced (for readability)
  
  if (o instanceof BigInteger)
    return "bigint(" + o + ")";
  
  if (o instanceof Double)
    return "d(" + quote(str(o)) + ")";
    
  if (o instanceof Float)
    return "fl " + quote(str(o));
    
  if (o instanceof Long)
    return o + "L";
  
  if (o instanceof Integer)
    return str(o);
    
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue() ? "t" : "f";
    
  if (o instanceof Character)
    return quoteCharacter((Character) o);
    
  if (o instanceof File)
    return "File " + quote(((File) o).getPath());
    
  // referencable objects follow
  
  Integer ref = d.seen.get(o);
  if (ref != null) {
    d.refd.add(ref);
    return "r" + ref;
  }
      
  if (o instanceof String && (ref = d.strings.get((String) o)) != null) {
    d.refd.add(ref);
    return "r" + ref;
  }
  
  ref = d.seen.size()+1;
  d.seen.put(o, ref);
  String r = "m" + ref + " "; // marker

  if (o instanceof String) {
    String s = d.stringSizeLimit != 0 ? shorten((String) o, d.stringSizeLimit) : (String) o;
    if (l(s) >= structure_shareStringsLongerThan)
      d.strings.put(s, ref);
    return r + quote(s);
  }
    
  String name = o.getClass().getName();

  StringBuilder buf = new StringBuilder();
  
  if (o instanceof HashSet)
    return r + "hashset " + structure_1(new ArrayList((Set) o), d);

  if (o instanceof TreeSet)
    return r + "treeset " + structure_1(new ArrayList((Set) o), d);
  
  if (o instanceof Collection) {
    for (Object x : (Collection) o) {
      if (buf.length() != 0) buf.append(", ");
      buf.append(structure_1(x, d));
    }
    return r + "[" + buf + "]";
  }
  
  if (o instanceof Map) {
    for (Object e : ((Map) o).entrySet()) {
      if (buf.length() != 0) buf.append(", ");
      buf.append(structure_1(((Map.Entry) e).getKey(), d));
      buf.append("=");
      buf.append(structure_1(((Map.Entry) e).getValue(), d));
    }
    return r + (o instanceof HashMap ? "hm" : "") + "{" + buf + "}";
  }
  
  if (o.getClass().isArray()) {
    if (o instanceof byte[])
      return "ba " + quote(bytesToHex((byte[]) o));

    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;
      return "boolarray " + n + " " + quote(substring(hex, 0, i));
    }
    
    String atype = "array", sep = ", ";

    if (o instanceof int[]) {
      //ret "intarray " + quote(intArrayToHex((int[]) o));
      atype = "intarray";
      sep = " ";
    }

    for (int i = 0; i < n; i++) {
      if (buf.length() != 0) buf.append(sep);
      buf.append(structure_1(Array.get(o, i), d));
    }
    return r + atype + "{" + buf + "}";
  }

  if (o instanceof Class)
    return r + "class(" + quote(((Class) o).getName()) + ")";
    
  if (o instanceof Throwable)
    return r + "exception(" + quote(((Throwable) o).getMessage()) + ")";
    
  if (o instanceof BitSet) {
    BitSet bs = (BitSet) o;
    for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) {
      if (buf.length() != 0) buf.append(", ");
       buf.append(i);
    }
    return "bitset{" + buf + "}";
  }
    
  // Need more cases? This should cover all library classes...
  if (name.startsWith("java.") || name.startsWith("javax."))
    return r + String.valueOf(o);
    
  String shortName = o.getClass().getName().replaceAll("^main\\$", "");
  
  if (shortName.equals("Lisp")) {
    buf.append("l(" + structure_1(getOpt(o, "head"), d));
    List args = (List) ( getOpt(o, "args"));
    if (nempty(args))
      for (int i = 0; i < l(args); i++) {
        buf.append(", ");
        Object arg = args.get(i);
        
        // sweet shortening
        if (arg != null && eq(arg.getClass().getName(), "main$Lisp") && isTrue(call(arg, "isEmpty")))
          arg = get(arg, "head");
          
        buf.append(structure_1(arg, d));
      }
    buf.append(")");
    return r + str(buf);
  }
    
  int numFields = 0;
  String fieldName = "";
  if (shortName.equals("DynamicObject")) {
    shortName = (String) get_raw(o, "className");
    Map<String, Object> fieldValues = (Map) get_raw(o, "fieldValues");
    
    for (String _fieldName : fieldValues.keySet()) {
      fieldName = _fieldName;
      Object value = fieldValues.get(fieldName);
      if (value != null) {
        if (buf.length() != 0) buf.append(", ");
        buf.append(fieldName + "=" + structure_1(value, d));
      }
      ++numFields;
   }
  } else {
    // regular class
    
    Class c = o.getClass();
    
    if (d.conceptClass != null && d.conceptClass.isInstance(o) && !d.concepts.contains(c.getName())) {
      d.concepts.add(c.getName());
      r += "c ";
    }
    
    while (c != Object.class) {
      List<Field> fields = asList(c.getDeclaredFields());
      for (int i = 1; i < l(fields); i++)
        if (eq(fields.get(i).getName(), "this$1")) {
          swapElements(fields, 0, i);
          break;
        }
      for (Field field : fields) {
        if ((field.getModifiers() & (Modifier.STATIC | Modifier.TRANSIENT)) != 0)
          continue;
        fieldName = field.getName();
        
        // skip outer object reference
        //if (fieldName.indexOf("$") >= 0) continue;
  
        Object value;
        try {
          field.setAccessible(true);
          value = field.get(o);
        } catch (Exception e) {
          value = "?";
        }
        
        // put special cases here...
    
        if (value != null) {
          if (buf.length() != 0) buf.append(", ");
          buf.append(fieldName + "=" + structure_1(value, d));
        }
        ++numFields;
      }
      c = c.getSuperclass();
    }
  }
  
  String b = buf.toString();
  
  if (numFields == 1 && structure_allowShortening)
    b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one
  String s = shortName;
  if (buf.length() != 0)
    s += "(" + b + ")";
  return r + s;
}

// drop unused markers
static String structure_2(String s, HashSet<Integer> refd) {
  List<String> tok = javaTok(s);
  StringBuilder out = new StringBuilder();
  for (int i = 1; i < l(tok); i += 2) {
    String t = tok.get(i);
    if (t.startsWith("m") && isInteger(t.substring(1))
      && !refd.contains(parseInt(t.substring(1))))
      continue;
    out.append(t).append(tok.get(i+1));
  }
  return str(out);
}

static List<String> nlTok(String s) {
  return javaTokPlusPeriod(s);
}
static long round(double d) {
  return Math.round(d);
}
static String gateway() {
  return first(detectGateways());
}


static <A> ArrayList<A> asList(A[] a) {
  return 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 String quoteCharacter(char c) {
  if (c == '\'') return "'\\''";
  if (c == '\\') return "'\\\\'";
  return "'" + c + "'";
}

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

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

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

static boolean contains(String s, String b) {
  return s != null && s.indexOf(b) >= 0;
}
// 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;
  List<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; 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;
    }
    
    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); // cc is not needed in rest of loop body
    cc = s.substring(i, Math.min(i+2, l));

    // 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 (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
      ++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
}
// hmm, this shouldn't call functions really. That was just
// for coroutines.
static boolean isTrue(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  if (o == null) return false;
  return ((Boolean) callF(o)).booleanValue();
}

static boolean isTrue(Object pred, Object arg) {
  return booleanValue(callF(pred, arg));
}
static File getGlobalCache() {
  File file = new File(userHome(), ".tinybrain/snippet-cache");
  file.mkdirs();
  return file;
}

static String boolArrayToHex(boolean[] a) {
  return bytesToHex(boolArrayToBytes(a));
}
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 boolean isInteger(String s) {
  return s != null && Pattern.matches("\\-?\\d+", s);
}
static TimedCache<List<String>> detectGateways_cache = new TimedCache(5);

static synchronized List<String> detectGateways() { try {
 
  if (detectGateways_cache.has()) return detectGateways_cache.getNoClean();

  boolean win = isWindows();
  String s = backtick(win ? "ipconfig" : "ip route show");
  TreeSet<String> ips = new TreeSet<String>();
  for (String line : toLines(s))
    if (indexOfIgnoreCase(line, win ? "Gateway" : "via") >= 0)
      ips.addAll(regexpAll("\\d+\\.\\d+\\.\\d+\\.\\d+", line));
  return detectGateways_cache.set(new ArrayList<String>(ips));

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  /** 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 = new FileOutputStream(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 int parseInt(String s) {
  return empty(s) ? 0 : Integer.parseInt(s);
}
static void setOpt(Object o, String field, Object value) {
  if (o instanceof Class) setOpt((Class) o, field, value);
  else try {
    Field f = setOpt_findField(o.getClass(), field);
    if (f != null)
      smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static void setOpt(Class c, String field, Object value) {
  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 Field setOpt_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 DialogIO talkTo(int port) {
  return talkTo("localhost", port);
}

static int talkTo_defaultTimeout = 10000;

static DialogIO talkTo(String ip, int port) { try {
 
  final Socket s = new Socket();
  s.connect(new InetSocketAddress(ip, port), talkTo_defaultTimeout);
  //print("Talking to " + ip + ":" + port);

  final Writer w = new OutputStreamWriter(s.getOutputStream(), "UTF-8");
  final BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));
  return new DialogIO() {
    boolean isLocalConnection() {
      return s.getInetAddress().isLoopbackAddress();
    }
    
    boolean isStillConnected() {
      return !(eos || s.isClosed());
    }
    
    void sendLine(String line) { try {
 
      w.write(line + "\n");
      w.flush();
    
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
    
    String readLineImpl() { try {
 
      return in.readLine();
    
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
    
    void close() {
      try {
        s.close();
      } catch (IOException e) {
        // whatever
      }
    }
    
    Socket getSocket() {
      return s;
    }
  };

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
public static void copyFile(File src, File dest) { try {
 
  mkdirsForFile(dest);
  FileInputStream inputStream = new FileInputStream(src.getPath());
  FileOutputStream outputStream = new FileOutputStream(dest.getPath());
  try {
    copyStream(inputStream, outputStream);
    inputStream.close();
  } finally {
    outputStream.close();
  }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static int backtick_exitValue;
static boolean backtick_verbose;

public static String backtick(String cmd) { try {
 
  File outFile = File.createTempFile("_backtick", "");
  File scriptFile = File.createTempFile("_backtick", isWindows() ? ".bat" : "");

  String command = cmd + " >" + bashQuote(outFile.getPath()) + " 2>&1";
  //Log.info("[Backtick] " + command);
  try {
    if (backtick_verbose)
      print("backtick: command " + command);
    saveTextFile(scriptFile.getPath(), command);
    String[] command2;
    if (isWindows())
      command2 = new String[] { scriptFile.getPath() };
    else
      command2 = new String[] { "/bin/bash", scriptFile.getPath() };
    if (backtick_verbose)
      print("backtick: command2 " + structure(command2));
    Process process = Runtime.getRuntime().exec(command2);
    try {
      process.waitFor();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }
    backtick_exitValue = process.exitValue();
    if (backtick_verbose)
      System.out.println("Process return code: " + backtick_exitValue);
    String result = loadTextFile(outFile.getPath(), "");
    if (backtick_verbose)
      print("[[\n" + result + "]]");
    return result;
  } finally {
    scriptFile.delete();
  }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}


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

static <A> A first(List<A> list) {
  return list.isEmpty() ? 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 boolean isOnPATH(String cmd) {
  String path = System.getenv("PATH");
  List<String> dirs = splitAt(path, File.pathSeparator);
  String c = isWindows() ? cmd + ".exe" : cmd;
  for (String dir : dirs)
    if (new File(dir, c).isFile())
      return true;
  return false;
}
static String getLookAndFeel() {
  return getClassName(UIManager.getLookAndFeel());
}
static void swapElements(List l, int i, int j) {
  if (i == j) return;
  Object o = l.get(i);
  l.set(i, l.get(j));
  l.set(j, o);
}
static Map synchroMap() {
  return synchroHashMap();
}

static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
  return Collections.synchronizedMap(map);
}
static String substring(String s, int x) {
  return safeSubstring(s, x);
}

static String substring(String s, int x, int y) {
  return safeSubstring(s, x, y);
}
static byte[] loadBinaryPage(String url) { try {
 
  return loadBinaryPage(new URL(url).openConnection());

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

public static byte[] loadBinaryPage(URLConnection con) { try {
 
  //setHeaders(con);
  ByteArrayOutputStream buf = new ByteArrayOutputStream();
  InputStream inputStream = con.getInputStream();
  int n = 0;
  while (true) {
    int ch = inputStream.read();
    if (ch < 0)
      break;
    buf.write(ch);
    if (++n % 100000 == 0)
      System.err.println("  " + n + " bytes loaded.");
  }
  inputStream.close();
  return buf.toByteArray();

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

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

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;
}


public static boolean isWindows() {
  return System.getProperty("os.name").contains("Windows");
}
/** possibly improvable */
static String bashQuote(String text) {
  if (text == null) return null;
  return "\"" + text
    .replace("\\", "\\\\")
    .replace("\"", "\\\"")
    .replace("\n", "\\n")
    .replace("\r", "\\r") + "\"";
}

static String bashQuote(File f) {
  return bashQuote(f.getAbsolutePath());
}
static String quickSubstring(String s, int i, int j) {
  if (i == j) return "";
  return s.substring(i, j);
}
static List<String> splitAt(String s, String splitter) {
  List<String> parts = new ArrayList<String>();
  int i = 0;
  if (s != null)
    while (i < l(s)) {
      int j = indexOf(s, splitter, i);
      if (j < 0) j = l(s);
      parts.add(substring(s, i, j));
      i = j+l(splitter);
    }
  return parts;
}
static boolean isNonNegativeInteger(String s) {
  return s != null && Pattern.matches("\\d+", 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 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 (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static Map synchroHashMap() {
  return Collections.synchronizedMap(new HashMap());
}

// hopefully covers all cases :)
static String safeSubstring(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 String safeSubstring(String s, int x) {
  return safeSubstring(s, x, l(s));
}

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 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;
  }
// 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 boolean isIdentifier(String s) {
  return isJavaIdentifier(s);
}
static boolean booleanValue(Object o) {
  return eq(true, o);
}
static List<String> regexpAll(String pattern, String text) {
  List<String> matches = new ArrayList<String>();
  Matcher matcher = Pattern.compile(pattern).matcher(text);
  while (matcher.find())
    matches.add(matcher.group());
  return matches;
}


static <A> int indexOf(List<A> l, A a, int startIndex) {
  if (l == null) return -1;
  for (int i = startIndex; i < l(l); i++)
    if (eq(l.get(i), a))
      return i;
  return -1;
}

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

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

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

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

static <A> int indexOf(A[] x, A a) {
  if (x == null) return -1;
  for (int i = 0; i < l(x); i++)
    if (eq(x[i], a))
      return i;
  return -1;
}


static class ImageSurface extends Surface {
  private BufferedImage image;
  private double zoomX = 1, zoomY = 1;
  private Rectangle selection;

  public ImageSurface() {
    this(new RGBImage(1, 1, new int[] { 0xFFFFFF }));
  }

  public ImageSurface(RGBImage image) {
    this(image.getBufferedImage());
  }

  public ImageSurface(BufferedImage image) {
    clearSurface = false;
    this.image = image;
    
    new PopupMenuHelper() {
      @Override
      public void fillMenu() {
        Point p = new Point((int) (point.x/getZoomX()), (int) (point.y/getZoomY()));
        fillPopupMenu(menu, p);
      }
    }.install(this);
  }

  public ImageSurface(RGBImage image, double zoom) {
    this(image);
    setZoom(zoom);
  }

  protected void fillPopupMenu(JPopupMenu menu, Point point) {
    JMenuItem miZoomReset = new JMenuItem("Zoom 100%");
    miZoomReset.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        setZoom(1.0);
      }
    });
    menu.add(miZoomReset);

    JMenuItem miZoomIn = new JMenuItem("Zoom in");
    miZoomIn.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        setZoom(getZoomX()*2.0, getZoomY()*2.0);
      }
    });
    menu.add(miZoomIn);

    JMenuItem miZoomOut = new JMenuItem("Zoom out");
    miZoomOut.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        setZoom(getZoomX()*0.5, getZoomY()*0.5);
      }
    });
    menu.add(miZoomOut);

    JMenuItem miZoomToWindow = new JMenuItem("Zoom to window");
    miZoomToWindow.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        zoomToDisplaySize();
      }
    });
    menu.add(miZoomToWindow);

    menu.addSeparator();

    /*JMenuItem miSelect = new JMenuItem("Select rectangle");
    miSelect.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent actionEvent) {
        setTool(new ImageSurfaceSelector(ImageSurface.this));
      }
    });
    menu.add(miSelect);

    menu.add(magicWandMenuItem(2));
    menu.add(magicWandMenuItem(4));
    menu.add(magicWandMenuItem(8));

    menu.addSeparator();*/

    JMenuItem miSave = new JMenuItem("Save image...");
    miSave.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        saveImage();
      }
    });
    menu.add(miSave);

    /*JMenuItem miUpload = new JMenuItem("Upload image...");
    miUpload.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent evt) {
        uploadImage();
      }
    });
    menu.add(miUpload);*/
  }

  public void saveImage() {
    RGBImage image = new RGBImage(getImage(), null);
    JFileChooser fileChooser = new JFileChooser(getProgramDir());
    if (fileChooser.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
      try {
        image.save(fileChooser.getSelectedFile());
      } catch (IOException e) {
        popup(e);
      }
    }
  }

  public void render(int w, int h, Graphics2D g) {
    g.setColor(Color.white);
    g.fillRect(0, 0, w, h);
    if (image != null)
      g.drawImage(image, 0, 0, getZoomedWidth(), getZoomedHeight(), null);

    if (selection != null) {
      // drawRect is inclusive, selection is exclusive, so... whatever, tests show it's cool.
      drawSelectionRect(g, selection, Color.green, Color.white);
    }
  }

  public void drawSelectionRect(Graphics2D g, Rectangle selection, Color green, Color white) {
    g.setColor(green);
    int top = (int) (selection.y * zoomY);
    int bottom = (int) ((selection.y+selection.height) * zoomY);
    int left = (int) (selection.x * zoomX);
    int right = (int) ((selection.x+selection.width) * zoomX);
    g.drawRect(left-1, top-1, right-left+1, bottom-top+1);
    g.setColor(white);
    g.drawRect(left - 2, top - 2, right - left + 3, bottom - top + 3);
  }

  public void setZoom(double zoom) {
    setZoom(zoom, zoom);
  }

  public void setZoom(double zoomX, double zoomY) {
    this.zoomX = zoomX;
    this.zoomY = zoomY;
    revalidate();
    repaint();
  }

  public Dimension getMinimumSize() {
    int w = getZoomedWidth();
    int h = getZoomedHeight();
    Dimension min = super.getMinimumSize();
    return new Dimension(Math.max(w, min.width), Math.max(h, min.height));
  }

  private int getZoomedHeight() {
    return (int) (image.getHeight() * zoomY);
  }

  private int getZoomedWidth() {
    return (int) (image.getWidth() * zoomX);
  }

  public void setImage(RGBImage image) {
    setImage(image.getBufferedImage());
  }

  public void setImage(BufferedImage image) {
    this.image = image;
    revalidate();
    repaint();
  }

  public BufferedImage getImage() {
    return image;
  }

  public double getZoomX() {
    return zoomX;
  }

  public double getZoomY() {
    return zoomY;
  }

  public Dimension getPreferredSize() {
    return new Dimension(getZoomedWidth(), getZoomedHeight());
  }

  /** returns a scrollpane with the scroll-mode prevent-garbage-drawing fix applied */
  public JScrollPane makeScrollPane() {
    JScrollPane scrollPane = new JScrollPane(this);
    scrollPane.getViewport().setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE);
    return scrollPane;
  }

  public void zoomToDisplaySize() {
    if (image == null) return;
    Dimension display = getDisplaySize();
    double xRatio = display.width/(double) image.getWidth();
    double yRatio = display.height/(double) image.getHeight();
    setZoom(Math.min(xRatio, yRatio));
    revalidate();
  }

  /** tricky magic to get parent scroll pane */
  private Dimension getDisplaySize() {
    Container c = getParent();
    while (c != null) {
      if (c instanceof JScrollPane)
        return c.getSize();
      c = c.getParent();
    }
    return getSize();
  }

  public void setSelection(Rectangle r) {
    selection = r;
    repaint();
  }

  public Rectangle getSelection() {
    return selection;
  }

  public RGBImage getRGBImage() {
    return new RGBImage(getImage());
  }
}

abstract static class Surface extends JPanel {


  public Object AntiAlias = RenderingHints.VALUE_ANTIALIAS_ON;
  public Object Rendering = RenderingHints.VALUE_RENDER_SPEED;
  public AlphaComposite composite;
  public Paint texture;
  public BufferedImage bimg;
  public int imageType;
  public String name;
  public boolean clearSurface = true;
  // Demos using animated gif's that implement ImageObserver set dontThread.
  public boolean dontThread;

  protected long sleepAmount = 50; // max20 fps

  private long orig, start, frame;
  private Toolkit toolkit;
  private boolean perfMonitor, outputPerf;
  private int biw, bih;
  private boolean clearOnce;
  private boolean toBeInitialized = true;


  public Surface() {
    setDoubleBuffered(false);
    toolkit = getToolkit();
    name = this.getClass().getName();
    name = name.substring(name.indexOf(".", 7)+1);
    setImageType(0);

    // To launch an individual demo with the performance str output  :
    //    java -Djava2demo.perf= -cp Java2Demo.jar demos.Clipping.ClipAnim
    try {
      if (System.getProperty("java2demo.perf") != null) {
        perfMonitor = outputPerf = true;
      }
    } catch (Exception ex) { }
  }


    /*protected Image getImage(String name) {
        return DemoImages.getImage(name, this);
    }


    protected Font getFont(String name) {
        return DemoFonts.getFont(name);
    }*/


  public int getImageType() {
    return imageType;
  }


  public void setImageType(int imgType) {
    if (imgType == 0) {
      imageType = 1;
    } else {
      imageType = imgType;
    }
    bimg = null;
  }


  public void setAntiAlias(boolean aa) {
    AntiAlias = aa
      ? RenderingHints.VALUE_ANTIALIAS_ON
      : RenderingHints.VALUE_ANTIALIAS_OFF;
  }


  public void setRendering(boolean rd) {
    Rendering = rd
      ? RenderingHints.VALUE_RENDER_QUALITY
      : RenderingHints.VALUE_RENDER_SPEED;
  }


  public void setTexture(Object obj) {
    if (obj instanceof GradientPaint) {
      texture = new GradientPaint(0, 0, Color.white,
        getSize().width*2, 0, Color.green);
    } else {
      texture = (Paint) obj;
    }
  }


  public void setComposite(boolean cp) {
    composite = cp
      ? AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f)
      : null;
  }


  public void setMonitor(boolean pm) {
    perfMonitor = pm;
  }


  public void setSleepAmount(long amount) {
    sleepAmount = amount;
  }


  public long getSleepAmount() {
    return sleepAmount;
  }


  public BufferedImage createBufferedImage(Graphics2D g2,
                                           int w,
                                           int h,
                                           int imgType) {
    BufferedImage bi = null;
    if (imgType == 0) {
      bi = (BufferedImage) g2.getDeviceConfiguration().
        createCompatibleImage(w, h);
    } else if (imgType > 0 && imgType < 14) {
      bi = new BufferedImage(w, h, imgType);
    } else if (imgType == 14) {
      bi = createBinaryImage(w, h, 2);
    } else if (imgType == 15) {
      bi = createBinaryImage(w, h, 4);
    } else if (imgType == 16) {
      bi = createSGISurface(w, h, 32);
    } else if (imgType == 17) {
      bi = createSGISurface(w, h, 16);
    }
    biw = w;
    bih = h;
    return bi;
  }


  // Lookup tables for BYTE_BINARY 1, 2 and 4 bits.
  static byte[] lut1Arr = new byte[] {0, (byte)255 };
  static byte[] lut2Arr = new byte[] {0, (byte)85, (byte)170, (byte)255};
  static byte[] lut4Arr = new byte[] {0, (byte)17, (byte)34, (byte)51,
    (byte)68, (byte)85,(byte) 102, (byte)119,
    (byte)136, (byte)153, (byte)170, (byte)187,
    (byte)204, (byte)221, (byte)238, (byte)255};


  private BufferedImage createBinaryImage(int w, int h, int pixelBits) {
    int bytesPerRow = w * pixelBits / 8;
    if (w * pixelBits % 8 != 0) {
      bytesPerRow++;
    }
    byte[] imageData = new byte[h * bytesPerRow];
    IndexColorModel cm = null;
    switch (pixelBits) {
      case 1:
        cm = new IndexColorModel(pixelBits, lut1Arr.length,
          lut1Arr, lut1Arr, lut1Arr);
        break;
      case 2:
        cm = new IndexColorModel(pixelBits, lut2Arr.length,
          lut2Arr, lut2Arr, lut2Arr);
        break;
      case 4:
        cm = new IndexColorModel(pixelBits, lut4Arr.length,
          lut4Arr, lut4Arr, lut4Arr);
        break;
      default:
      {new Exception("Invalid # of bit per pixel").printStackTrace();}
    }

    DataBuffer db = new DataBufferByte(imageData, imageData.length);
    WritableRaster r = Raster.createPackedRaster(db, w, h, pixelBits, null);
    return new BufferedImage(cm, r, false, null);
  }

  private BufferedImage createSGISurface(int w, int h, int pixelBits) {
    int rMask32 = 0xFF000000;
    int rMask16 = 0xF800;
    int gMask32 = 0x00FF0000;
    int gMask16 = 0x07C0;
    int bMask32 = 0x0000FF00;
    int bMask16 = 0x003E;

    DirectColorModel dcm = null;
    DataBuffer db = null;
    WritableRaster wr = null;
    switch (pixelBits) {
      case 16:
        short[] imageDataUShort = new short[w * h];
        dcm = new DirectColorModel(16, rMask16, gMask16, bMask16);
        db = new DataBufferUShort(imageDataUShort, imageDataUShort.length);
        wr = Raster.createPackedRaster(db, w, h, w,
          new int[] {rMask16, gMask16, bMask16},
          null);
        break;
      case 32:
        int[] imageDataInt = new int[w * h];
        dcm = new DirectColorModel(32, rMask32, gMask32, bMask32);
        db = new DataBufferInt(imageDataInt, imageDataInt.length);
        wr = Raster.createPackedRaster(db, w, h, w,
          new int[] {rMask32, gMask32, bMask32},
          null);
        break;
      default:
      {new Exception("Invalid # of bit per pixel").printStackTrace();}
    }

    return new BufferedImage(dcm, wr, false, null);
  }

  public Graphics2D createGraphics2D(int width,
                                     int height,
                                     BufferedImage bi,
                                     Graphics g) {

    Graphics2D g2 = null;

    if (bi != null) {
      g2 = bi.createGraphics();
    } else {
      g2 = (Graphics2D) g;
    }

    g2.setBackground(getBackground());
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, AntiAlias);
    g2.setRenderingHint(RenderingHints.KEY_RENDERING, Rendering);

    if (clearSurface || clearOnce) {
      g2.clearRect(0, 0, width, height);
      clearOnce = false;
    }

    if (texture != null) {
      // set composite to opaque for texture fills
      g2.setComposite(AlphaComposite.SrcOver);
      g2.setPaint(texture);
      g2.fillRect(0, 0, width, height);
    }

    if (composite != null) {
      g2.setComposite(composite);
    }

    return g2;
  }

  public abstract void render(int w, int h, Graphics2D g);


  /**
   * It's possible to turn off double-buffering for just the repaint
   * calls invoked directly on the non double buffered component.
   * This can be done by overriding paintImmediately() (which is called
   * as a result of repaint) and getting the current RepaintManager and
   * turning off double buffering in the RepaintManager before calling
   * super.paintImmediately(g).
   */
  public void paintImmediately(int x,int y,int w, int h) {
    RepaintManager repaintManager = null;
    boolean save = true;
    if (!isDoubleBuffered()) {
      repaintManager = RepaintManager.currentManager(this);
      save = repaintManager.isDoubleBufferingEnabled();
      repaintManager.setDoubleBufferingEnabled(false);
    }
    super.paintImmediately(x, y, w, h);

    if (repaintManager != null) {
      repaintManager.setDoubleBufferingEnabled(save);
    }
  }


  public void paint(Graphics g) {

    Dimension d = getSize();

    if (imageType == 1)
      bimg = null;
    else if (bimg == null || biw != d.width || bih != d.height) {
      bimg = createBufferedImage((Graphics2D)g,
        d.width, d.height, imageType-2);
      clearOnce = true;
      toBeInitialized = true;
    }

    if (toBeInitialized) {
      toBeInitialized = false;
      startClock();
    }

    Graphics2D g2 = createGraphics2D(d.width, d.height, bimg, g);
    render(d.width, d.height, g2);
    g2.dispose();

    if (bimg != null)  {
      g.drawImage(bimg, 0, 0, null);
      toolkit.sync();
    }

  }


  public void startClock() {
    orig = System.currentTimeMillis();
    start = orig;
    frame = 0;
  }

  private static final int REPORTFRAMES = 30;


  public static void setAlpha(Graphics2D g, float alpha) {
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
  }
}


static class TimedCache<A> {
  long timeout;
  A value;
  long set;
  
  // stats
  int stores, fails, hits;

  // 0 = no timeout  
  TimedCache(double timeoutSeconds) {
    timeout = toMS(timeoutSeconds);
  }
  
  synchronized A set(A a) {
    ++stores;
    value = a;
    set = now();
    return a;
  }
  
  synchronized boolean has() {
    clean();
    if (set != 0) {
      ++hits; return true;
    }
    ++fails; return false;
  }
  
  synchronized A get() {
    clean();
    if (set != 0) ++hits; else ++fails;
    return value;
  }
  
  synchronized A get(Object makerFunction) {
    if (has()) return getNoClean();
    A a = (A) ( callF(makerFunction));
    return set(a);
  }
  
  synchronized A getNoClean() {
    return value;
  }
  
  // clear if timed out
  synchronized void clean() {
    if (timeout > 0 && now() > set+timeout) clear();
  }
  
  // clear now
  synchronized void clear() {
    set = 0;
    value = null;
  }
  
  synchronized String stats() {
    return "Stores: " + stores + ", hits: " + hits + ", fails: " + fails;
  }
}

static class BWImage {
  private int width, height;
  private BWImageSimpleStorage storage;

  // color returned when getPixel is called with a position outside the actual image
  private float borderColor = 0.0f;
  
  // for unstructure()
  BWImage() {}

  // BLACK! [Inefficient...]
  public BWImage(int width, int height) {
    this.width = width;
    this.height = height;
    byte[] bytePixels = new byte[width*height];
    storage = makeStorage(width, height, bytePixels);
  }

  public BWImage(int width, int height, float[] pixels) {
    this.width = width;
    this.height = height;
    byte[] bytePixels = new byte[pixels.length];
    for (int i = 0; i < pixels.length; i++)
      bytePixels[i] = toByte(pixels[i]);
    storage = makeStorage(width, height, bytePixels);
  }

  private BWImageSimpleStorage makeStorage(int width, int height, byte[] bytePixels) {
    return new BWImageSimpleStorage(width, height, bytePixels);
  }

  public BWImage(int width, int height, byte[] pixels) {
    this.height = height;
    this.width = width;
    storage = makeStorage(width, height, pixels);
  }

  public BWImage(BWImage image) {
    width = image.getWidth();
    height = image.getHeight();
    byte[] bytePixels = new byte[width*height];
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++)
        bytePixels[y*width+x] = image.getByte(x, y);
    storage = makeStorage(width, height, bytePixels);
  }

  public BWImage(RGBImage image) {
    width = image.getWidth();
    height = image.getHeight();
    byte[] result = new byte[height*width];
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++) {
        RGB rgb = image.getRGB(x, y);
        result[y*width+x] = BWImage.toByte(rgb.getBrightness());
      }
    storage = makeStorage(width, height, result);
  }

  public BWImage(BufferedImage image) {
    this(new RGBImage(image));
  }

  /* too slow!
  public BWImage(BufferedImage image) {
    int width = image.getWidth(), height = image.getHeight();
    byte[] pixels = new byte[width*height];
    int[] linePixels = new int[width];
    for (int y = 0; y < height; y++) {
      PixelGrabber pixelGrabber = new PixelGrabber(image, 0, y, width, 1, linePixels, 0, width);
      try {
        if (!pixelGrabber.grabPixels())
          throw new RuntimeException("Could not grab pixels");
      } catch (InterruptedException e) {
        throw new RuntimeException(e);
      }
      for (int x = 0; x < width; x++)
        pixels[y*width+x] = toByte(new RGB(linePixels[x]).getBrightness());
    }
  }
  */

  public byte getByte(int x, int y) {
    return inRange(x, y) ? storage.getByte(x,y ) : toByte(borderColor);
  }

  public BWImage(int width, int height, float brightness) {
    this.width = width;
    this.height = height;
    byte[] pixels = new byte[width*height];
    for (int i = 0; i < pixels.length; i++)
      pixels[i] = toByte(brightness);
    storage = makeStorage(width, height, pixels);
  }

  public double averageBrightness() {
    double sum = 0;
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++)
        sum += getPixel(x, y);
    return (sum/(double) (height*width));
  }

  public float minimumBrightness() {
    float min = 1;
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++)
        min = Math.min(min, getPixel(x, y));
    return min;
  }

  public float getPixel(int x, int y) {
    return inRange(x, y) ? toFloat(storage.getByte(x,y )) : borderColor;
  }

  public static byte toByte(float pixel) {
    return (byte) (pixel*255f);
  }

  public static float toFloat(byte pixel) {
    return (((int) pixel) & 255)/255f;
  }

  private boolean inRange(int x, int y) {
    return x >= 0 && x < width && y >= 0 && y < height;
  }

  public int getWidth() {
    return width;
  }

  public int getHeight() {
    return height;
  }

  public RGBImage toRGB() {
    RGB[] rgbs = new RGB[width*height];
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++) {
        float p = getPixel(x, y);
        rgbs[y*width+x] = new RGB(p, p, p);
      }
    return new RGBImage(width, height, rgbs);
  }

  public BWImage clip(int x, int y, int w, int h) {
    return clip(new Rectangle(x, y, w, h));
  }

  private Rectangle fixClipRect(Rectangle r) {
    return r.intersection(new Rectangle(0, 0, width, height));
  }

  /** this should be multithread-safe */
  public BWImage clip(Rectangle r) {
    r = fixClipRect(r);
    byte[] newPixels = new byte[r.height*r.width];
    for (int y = 0; y < r.height; y++)
      for (int x = 0; x < r.width; x++)
        newPixels[y*r.width+x] = getByte(r.x+x, r.y+y);
    return new BWImage(r.width, r.height, newPixels);
  }

  public void setPixel(int x, int y, float brightness) {
    storage.setByte(x, y, toByte(fixPixel(brightness)));
  }

  public void setByte(int x, int y, byte brightness) {
    storage.setByte(x, y, brightness);
  }

  private float fixPixel(float pixel) {
    return Math.max(0, Math.min(1, pixel));
  }

  public float getBorderColor() {
    return borderColor;
  }

  public void setBorderColor(float borderColor) {
    this.borderColor = borderColor;
  }

  public boolean anyPixelBrighterThan(double threshold) {
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++)
        if (getPixel(x, y) > threshold)
          return true;
    return false;
  }
  
  BufferedImage getBufferedImage() {
    //ret toRGB().getBufferedImage();
    
    BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
    for (int y = 0; y < height; y++)
      for (int x = 0; x < width; x++) {
        int b = ((int) getByte(x, y) & 0xFF);
        bufferedImage.setRGB(x, y, b*0x010101);
      }
    return bufferedImage; 
  }
  
  byte[] getBytes() {
    return storage.pixels;
  }
}

static class BWImageSimpleStorage {
  int width, height;
  byte[] pixels;
  
  // for unstructure()
  BWImageSimpleStorage() {}

  public BWImageSimpleStorage(int width, int height, byte[] pixels) {
    this.width = width;
    this.height = height;
    this.pixels = pixels;
  }

  public void setByte(int x, int y, byte b) {
    pixels[y*width+x] = b;
  }

  public byte getByte(int x, int y) {
    return pixels[y*width+x];
  }
}

static class Var<A> {
  A v;
  
  Var() {}
  Var(A v) {
  this.v = v;}
  
  synchronized void set(A a) { v = a; }
  synchronized A get() { return v; }
}

  static abstract class DialogIO {
    String line;
    boolean eos, loud;
    
    abstract String readLineImpl();
    abstract boolean isStillConnected();
    abstract void sendLine(String line);
    abstract boolean isLocalConnection();
    abstract Socket getSocket();
    abstract void close();
    
    int getPort() { return getSocket().getPort(); }
    
    boolean helloRead;
    
    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 (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__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("> " + s);
      sendLine(s);
      String answer = readLine();
      print("< " + answer);
      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;
    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 class RGB {
  public final float r, g, b;

  public RGB(float r, float g, float b) {
    this.r = r;
    this.g = g;
    this.b = b;
  }

  public RGB(double r, double g, double b) {
    this.r = (float) r;
    this.g = (float) g;
    this.b = (float) b;
  }

  public RGB(double brightness) {
    this.r = this.g = this.b = (float) brightness;
  }

  public RGB(Color color) {
    this.r = color.getRed()/255f;
    this.g = color.getGreen()/255f;
    this.b = color.getBlue()/255f;
  }

  public RGB(String hex) {
    r = Integer.parseInt(hex.substring(0, 2), 16)/255f;
    g = Integer.parseInt(hex.substring(2, 4), 16)/255f;
    b = Integer.parseInt(hex.substring(4, 6), 16)/255f;
  }

  public float getComponent(int i) {
    return i == 0 ? r : i == 1 ? g : b;
  }

  public Color getColor() {
    return new Color(r, g, b);
  }

  public static RGB newSafe(float r, float g, float b) {
    return new RGB(Math.max(0, Math.min(1, r)), Math.max(0, Math.min(1, g)), Math.max(0, Math.min(1, b)));
  }

  public int asInt() {
    return getColor().getRGB() & 0xFFFFFF;
  }

  public float getBrightness() {
    return (r+g+b)/3.0f;
  }

  public String getHexString() {
    return Integer.toHexString(asInt() | 0xFF000000).substring(2).toUpperCase();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (!(o instanceof RGB)) return false;

    RGB rgb = (RGB) o;

    if (Float.compare(rgb.b, b) != 0) return false;
    if (Float.compare(rgb.g, g) != 0) return false;
    if (Float.compare(rgb.r, r) != 0) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = (r != +0.0f ? Float.floatToIntBits(r) : 0);
    result = 31 * result + (g != +0.0f ? Float.floatToIntBits(g) : 0);
    result = 31 * result + (b != +0.0f ? Float.floatToIntBits(b) : 0);
    return result;
  }

  public boolean isBlack() {
    return r == 0f && g == 0f && b == 0f;
  }

  public boolean isWhite() {
    return r == 1f && g == 1f && b == 1f;
  }

  public String toString() {
    return getHexString();
  }
}

static class RGBImage {
  transient BufferedImage bufferedImage;
  File file;
  int width, height;
  int[] pixels;

  // color returned when getPixel is called with out-of-bounds position
  int background = 0xFFFFFF;
  
  RGBImage() {}

  RGBImage(BufferedImage image) {
    this(image, null);
  }

  RGBImage(BufferedImage image, File file) {
    this.file = file;
    bufferedImage = image;
    width = image.getWidth();
    height = image.getHeight();
    pixels = new int[width*height];
    PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width);
    try {
      if (!pixelGrabber.grabPixels())
        throw new RuntimeException("Could not grab pixels");
      cleanPixels(); // set upper byte to 0
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }
  }

  /** We assume it's a file name to load from */
  RGBImage(String file) throws IOException {
    this(new File(file));
  }

  RGBImage(Dimension size, Color color) {
    this(size.width, size.height, color);
  }

  RGBImage(Dimension size, RGB color) {
    this(size.width, size.height, color);
  }

  private void cleanPixels() {
    for (int i = 0; i < pixels.length; i++)
      pixels[i] &= 0xFFFFFF;
  }

  RGBImage(int width, int height, int[] pixels) {
    this.width = width;
    this.height = height;
    this.pixels = pixels;
  }

  RGBImage(int w, int h, RGB[] pixels) {
    this.width = w;
    this.height = h;
    this.pixels = asInts(pixels);
  }

  public static int[] asInts(RGB[] pixels) {
    int[] ints = new int[pixels.length];
    for (int i = 0; i < pixels.length; i++)
      ints[i] = pixels[i] == null ? 0 : pixels[i].getColor().getRGB();
    return ints;
  }

  public RGBImage(int w, int h) {
    this(w, h, Color.black);
  }
  
  RGBImage(int w, int h, RGB rgb) {
    this.width = w;
    this.height = h;
    this.pixels = new int[w*h];
    int col = rgb.asInt();
    if (col != 0)
      for (int i = 0; i < pixels.length; i++)
        pixels[i] = col;
  }

  RGBImage(RGBImage image) {
    this(image.width, image.height, copyPixels(image.pixels));
  }

  RGBImage(int width, int height, Color color) {
    this(width, height, new RGB(color));
  }

  RGBImage(File file) throws IOException {
    this(javax.imageio.ImageIO.read(file));
  }

  private static int[] copyPixels(int[] pixels) {
    int[] copy = new int[pixels.length];
    System.arraycopy(pixels, 0, copy, 0, pixels.length);
    return copy;
  }

  public int getIntPixel(int x, int y) {
    if (inRange(x, y))
      return pixels[y * width + x];
    else
      return background;
  }

  public static RGB asRGB(int packed) {
    int r = (packed >> 16) & 0xFF;
    int g = (packed >> 8) & 0xFF;
    int b = packed & 0xFF;
    return new RGB(r / 255f, g / 255f, b / 255f);
  }

  public RGB getRGB(int x, int y) {
    if (inRange(x, y))
      return asRGB(pixels[y * width + x]);
    else
      return new RGB(background);
  }

  /** alias of getRGB - I kept typing getPixel instead of getRGB all the time, so I finally created it */
  public RGB getPixel(int x, int y) {
    return getRGB(x, y);
  }

  public int getWidth() {
    return width;
  }

  public int getHeight() {
    return height;
  }

  /** Attention: cached, i.e. does not change when image itself changes */
  /** @NotNull */
  public BufferedImage getBufferedImage() {
    if (bufferedImage == null) {
      bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
      //bufferedImage.setData(Raster.createRaster(new SampleModel()));
      for (int y = 0; y < height; y++)
        for (int x = 0; x < width; x++)
          bufferedImage.setRGB(x, y, pixels[y*width+x]);
    }
    return bufferedImage;
  }

  public RGBImage clip(Rectangle r) {
    r = fixClipRect(r);
    int[] newPixels;
    try {
      newPixels = new int[r.width*r.height];
    } catch (RuntimeException e) {
      System.out.println(r);
      throw e;
    }
    for (int y = 0; y < r.height; y++) {
      System.arraycopy(pixels, (y+r.y)*width+r.x, newPixels, y*r.width, r.width);
    }
    return new RGBImage(r.width, r.height, newPixels);
  }

  private Rectangle fixClipRect(Rectangle r) {
    r = r.intersection(new Rectangle(0, 0, width, height));
    if (r.isEmpty())
      r = new Rectangle(r.x, r.y, 0, 0);
    return r;
  }

  public File getFile() {
    return file;
  }

  /** can now also do GIF (not just JPEG) */
  public static RGBImage load(String fileName) {
    return load(new File(fileName));
  }

  /** can now also do GIF (not just JPEG) */
  public static RGBImage load(File file) {
    try {
      BufferedImage bufferedImage = javax.imageio.ImageIO.read(file);
      return new RGBImage(bufferedImage);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  public int getInt(int x, int y) {
    return pixels[y * width + x];
  }

  public void save(File file) throws IOException {
    String name = file.getName().toLowerCase();
    String type;
    if (name.endsWith(".png")) type = "png";
    else if (name.endsWith(".jpg") || name.endsWith(".jpeg")) type = "jpeg";
    else throw new IOException("Unknown image extension: " + name);
    javax.imageio.ImageIO.write(getBufferedImage(), type, file);
  }

  public static RGBImage dummyImage() {
    return new RGBImage(1, 1, new int[] {0xFFFFFF});
  }

  public int[] getPixels() {
    return pixels;
  }

  public void setPixel(int x, int y, RGB rgb) {
    if (x >= 0 && y >= 0 && x < width && y < height)
      pixels[y*width+x] = rgb.asInt();
  }

  public void setPixel(int x, int y, Color color) {
    setPixel(x, y, new RGB(color));
  }

  public void setPixel(int x, int y, int rgb) {
    if (x >= 0 && y >= 0 && x < width && y < height)
      pixels[y*width+x] = rgb;
  }

  public RGBImage copy() {
    return new RGBImage(this);
  }

  public boolean inRange(int x, int y) {
    return x >= 0 && y >= 0 && x < width && y < height;
  }

  public int getBackground() {
    return background;
  }

  public void setBackground(int background) {
    this.background = background;
  }

  public Dimension getSize() {
    return new Dimension(width, height);
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    RGBImage rgbImage = (RGBImage) o;

    if (height != rgbImage.height) return false;
    if (width != rgbImage.width) return false;
    if (!Arrays.equals(pixels, rgbImage.pixels)) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = width;
    result = 31 * result + height;
    result = 31 * result + Arrays.hashCode(pixels);
    return result;
  }

  public String getHex(int x, int y) {
    return getPixel(x, y).getHexString();
  }

  public RGBImage clip(int x, int y, int width, int height) {
    return clip(new Rectangle(x, y, width, height));
  }

  public RGBImage clipLine(int y) {
    return clip(0, y, width, 1);
  }

  public int numPixels() {
    return width*height;
  }
}



static void popup(final Throwable throwable) {
  popupError(throwable);
}

static void popup(final String msg) {
  print(msg);
  SwingUtilities.invokeLater(new Runnable() {
    public void run() {
      JOptionPane.showMessageDialog(null, msg);
    }
  });
}
static void swingNowOrLater(Runnable r) {
  if (isAWTThread())
    r.run();
  else
    swingLater(r);
}
static String fsi(String id) {
  return formatSnippetID(id);
}
static long toMS(double seconds) {
  return (long) (seconds*1000);
}
static File getProgramDir() {
  return programDir();
}

static File getProgramDir(String snippetID) {
  return programDir(snippetID);
}
static boolean equals(Object a, Object b) {
  return a == null ? b == null : a.equals(b);
}
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 (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static boolean inRange(int x, int n) {
  return x >= 0 && x < n;
}
static int asInt(Object o) {
  return toInt(o);
}


  static void popupError(final Throwable throwable) {
    throwable.printStackTrace(); // print stack trace to console for the experts
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        String text = throwable.toString();
        //text = cutPrefix(text, "java.lang.RuntimeException: ");
        JOptionPane.showMessageDialog(null, text);
      }
    });
  }
static File programDir_mine; // set this to relocate program's data

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

static File programDir(String snippetID) {
  if (programDir_mine != null && sameSnippetID(snippetID, programID()))
    return programDir_mine;
  return new File(javaxDataDir(), formatSnippetID(snippetID));
}

static String classNameToVM(String name) {
  return name.replace(".", "$");
}
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 String programID() {
  return getProgramID();
}
static boolean sameSnippetID(String a, String b) {
  return a != null && b != null && parseSnippetID(a) == parseSnippetID(b);
}
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 class PopupMenuHelper extends MouseAdapter {
  JPopupMenu menu;
  Point point;
  
  /** override me  */
  void fillMenu() {
  }

  public void mousePressed(MouseEvent e) {
    displayMenu(e);
  }

  public void mouseReleased(MouseEvent e) {
    displayMenu(e);
  }

  private void displayMenu(MouseEvent e) {
    boolean popupTrigger = e.isPopupTrigger();
    if (popupTrigger) {
      JPopupMenu menu = new JPopupMenu();
      int count = menu.getComponentCount();
      this.menu = menu;
      this.point = e.getPoint();
      fillMenu();
      this.menu = null;
      if (menu.getComponentCount() != count)
        menu.show(e.getComponent(), e.getX(), e.getY());
    }
  }

  public void install(JComponent component) {
    component.addMouseListener(this);
  }
}
}