import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import javax.net.ssl.*;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.text.*;
import javax.imageio.metadata.*;
import javax.imageio.stream.*;
import java.text.NumberFormat;
import java.awt.datatransfer.StringSelection;

public class main {

  public static void main(final String[] args) throws Exception {
    pExperiment();
    DerivedMechLists lists = new DerivedMechLists();
    BakedBot bot = new BakedBot(lists);
    lists.setText("NL Logic Examples", "\n    input(how many $faces are on a $rubiks_cube) && fact(a $rubiks_cube has $six $faces) => output($six)\n    \n    input(how many segments are on a face of a rubik's cube) => input(how many segments are on a {face of a rubik's cube})\n  ");
    lists.setText("Rule & Fact Lists", "");
    lists.setText("Default active scripts", "");
    for (String s : ll("how many segments are on a {face of a rubik's cube}", "how many segments are on a face of a rubik's cube")) bot.pcheckOrPrintLog(s, "9");
  }

  public static void pExperiment() {
    if (!isMain())
      return;
    autoRestart(5);
    experimentIcon();
    centerHigherConsole();
    tt();
  }

  public static <A> List<A> ll(A... a) {
    ArrayList l = new ArrayList(a.length);
    for (A x : a) l.add(x);
    return l;
  }

  public static boolean isMain() {
    return isMainProgram();
  }

  public static double autoRestart_interval = 10;

  public static boolean autoRestart_on, autoRestart_debug, autoRestart_simulate;

  public static java.util.Timer autoRestart_timer;

  public static void autoRestart(double interval) {
    autoRestart_interval = interval;
    autoRestart();
  }

  public static void autoRestart() {
    if (!isMain() || autoRestart_on)
      return;
    autoRestart_on = true;
    autoRestart_schedule();
    preloadProgramTitle();
  }

  public static void autoRestart_off() {
    if (!autoRestart_on)
      return;
    stopTimer(autoRestart_timer);
    autoRestart_timer = null;
  }

  public static void autoRestart_schedule() {
    autoRestart_timer = doLater_daemon(toMS(autoRestart_interval), "autoRestart_check");
  }

  public static void autoRestart_check() {
    try {
      String newMD5;
      try {
        newMD5 = serverAutoRestartMD5(programID());
      } catch (Throwable e) {
        return;
      }
      if (!isMD5(newMD5)) {
        if (autoRestart_debug)
          print("autoRestart: no server transpilation");
        return;
      }
      if (autoRestart_localMD5 == null)
        autoRestart_localMD5 = md5(loadCachedTranspilation(programID()));
      String localMD5 = autoRestart_localMD5();
      if (neq(localMD5, newMD5)) {
        if (autoRestart_simulate)
          print("Would upgrade now. " + localMD5 + " -> " + newMD5);
        else {
          infoBox("Upgrading " + programTitle());
          restartWithDelay(500);
          sleep();
        }
      }
    } finally {
      if (autoRestart_debug)
        print("autoRestart: Done");
      autoRestart_schedule();
    }
  }

  public static void experimentIcon() {
    consoleAndDefaultFrameIcon("#1101173");
  }

  public static void centerHigherConsole() {
    if (headless())
      return;
    setConsoleHeight(600);
    centerConsole();
  }

  public static void tt() {
    typeWriterConsole();
  }

  public static String tt(Object contents, Object... params) {
    return tag("tt", contents, params);
  }

  public static boolean isMainProgram() {
    return creator() == null;
  }

  public static void preloadProgramTitle() {
    {
      Thread _t_0 = new Thread() {

        public void run() {
          try {
            programTitle();
          } catch (Throwable __e) {
            _handleException(__e);
          }
        }
      };
      startThread(_t_0);
    }
  }

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

  public static java.util.Timer doLater_daemon(long delay, final Object r) {
    final java.util.Timer timer = new java.util.Timer(true);
    timer.schedule(timerTask(r), delay);
    return timer;
  }

  public static java.util.Timer doLater_daemon(double delaySeconds, final Object r) {
    return doLater_daemon(toMS(delaySeconds), r);
  }

  public static long toMS(double seconds) {
    return (long) (seconds * 1000);
  }

  public static int serverAutoRestartMD5_timeout = 10000;

  public static String serverAutoRestartMD5(String programID) {
    return loadPageSilentlyWithTimeout("http://botcompany.de/1010693/raw?id=" + psI(programID), serverAutoRestartMD5_timeout);
  }

  public static String serverAutoRestartMD5() {
    return serverAutoRestartMD5(programID());
  }

  public static String programID() {
    return getProgramID();
  }

  public static String programID(Object o) {
    return getProgramID(o);
  }

  public static boolean isMD5(String s) {
    return l(s) == 32 && isLowerHexString(s);
  }

  public static volatile StringBuffer local_log = new StringBuffer();

  public static volatile Appendable print_log = local_log;

  public static volatile int print_log_max = 1024 * 1024;

  public static volatile int local_log_max = 100 * 1024;

  public static boolean print_silent;

  public static Object print_byThread_lock = new Object();

  public static volatile ThreadLocal<Object> print_byThread;

  public static volatile Object print_allThreads;

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

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

  public static <A> A print(A o) {
    ping();
    if (print_silent)
      return o;
    String s = String.valueOf(o) + "\n";
    print_noNewLine(s);
    return o;
  }

  public static void print_noNewLine(String s) {
    Object f = print_byThread == null ? null : print_byThread.get();
    if (f == null)
      f = print_allThreads;
    if (f != null)
      if (isFalse(callF(f, s)))
        return;
    print_raw(s);
  }

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

  public static String md5(String text) {
    try {
      if (text == null)
        return "-";
      return bytesToHex(md5_impl(text.getBytes("UTF-8")));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String md5(byte[] data) {
    if (data == null)
      return "-";
    return bytesToHex(md5_impl(data));
  }

  public static MessageDigest md5_md;

  public static byte[] md5_impl(byte[] data) {
    try {
      return MessageDigest.getInstance("MD5").digest(data);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String md5(File file) {
    return md5OfFile(file);
  }

  public static String loadCachedTranspilation(String id) {
    return loadTextFilePossiblyGZipped(new File(getCodeProgramDir(id), "Transpilation"));
  }

  public static String autoRestart_localMD5;

  public static String autoRestart_localMD5() {
    if (autoRestart_localMD5 == null)
      autoRestart_localMD5 = md5(loadCachedTranspilation(programID()));
    return autoRestart_localMD5;
  }

  public static boolean neq(Object a, Object b) {
    return !eq(a, b);
  }

  public static JWindow infoBox(String text) {
    return infoMessage(text);
  }

  public static JWindow infoBox(String text, double seconds) {
    return infoMessage(text, seconds);
  }

  public static JWindow infoBox(Throwable e) {
    return infoMessage(e);
  }

  public static String programTitle() {
    return getProgramName();
  }

  public static void restartWithDelay(int delay) {
    Object j = getJavaX();
    call(j, "preKill");
    call(j, "nohupJavax", smartJoin((String[]) get(j, "fullArgs")), call(j, "fullVMArguments"));
    sleep(delay);
    System.exit(0);
    sleep();
  }

  public static volatile boolean sleep_noSleep;

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

  public static void sleep() {
    try {
      if (sleep_noSleep)
        throw fail("nosleep");
      print("Sleeping.");
      sleepQuietly();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void consoleAndDefaultFrameIcon(String icon) {
    consoleIcon(icon);
    setDefaultFrameIcon(icon);
  }

  public static boolean headless() {
    return isHeadless();
  }

  public static void setConsoleHeight(int h) {
    setFrameHeight(consoleFrame(), h);
  }

  public static void centerConsole() {
    centerConsoleFrame();
  }

  public static void centerConsole(int w, int h) {
    setConsoleSize(w, h);
    centerConsoleFrame();
  }

  public static void typeWriterConsole() {
    if (isHeadless())
      return;
    Font f = typeWriterFont();
    consoleFont(f);
    consoleInputFont(f);
  }

  public static String tag(String tag) {
    return htag(tag);
  }

  public static String tag(String tag, Object contents, Object... params) {
    return htag(tag, str(contents), params);
  }

  public static String tag(String tag, StringBuilder contents, Object... params) {
    return htag(tag, contents, params);
  }

  public static String tag(String tag, StringBuffer contents, Object... params) {
    return htag(tag, contents, params);
  }

  public static WeakReference<Object> creator_class;

  public static Object creator() {
    return creator_class == null ? null : creator_class.get();
  }

  public static volatile PersistableThrowable _handleException_lastException;

  public static List _handleException_onException = synchroList(ll("printStackTrace2"));

  public static void _handleException(Throwable e) {
    _handleException_lastException = persistableThrowable(e);
    for (Object f : cloneList(_handleException_onException)) try {
      callF(f, e);
    } catch (Throwable e2) {
      printStackTrace2(e2);
    }
  }

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

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

  public static Thread startThread(Thread t) {
    _registerThread(t);
    t.start();
    return t;
  }

  public static TimerTask timerTask(final Object r, final java.util.Timer timer) {
    return new TimerTask() {

      public void run() {
        if (!licensed())
          timer.cancel();
        else
          pcallF(r);
      }
    };
  }

  public static TimerTask timerTask(final Object r) {
    return new TimerTask() {

      public void run() {
        ping();
        pcallF(r);
      }
    };
  }

  public static String loadPageSilentlyWithTimeout(String url, int timeout) {
    try {
      url = loadPage_preprocess(url);
      URL _url = new URL(url);
      return loadPage(setURLConnectionTimeouts(_url.openConnection(), timeout), _url);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static long psI(String snippetID) {
    return parseSnippetID(snippetID);
  }

  public static String programID;

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

  public static String getProgramID(Class c) {
    String id = (String) getOpt(c, "programID");
    if (nempty(id))
      return formatSnippetID(id);
    return "?";
  }

  public static String getProgramID(Object o) {
    return getProgramID(getMainClass(o));
  }

  public static int l(Object[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(boolean[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(byte[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(short[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(long[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(int[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(float[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(double[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(char[] a) {
    return a == null ? 0 : a.length;
  }

  public static int l(Collection c) {
    return c == null ? 0 : c.size();
  }

  public static int l(Map m) {
    return m == null ? 0 : m.size();
  }

  public static int l(CharSequence s) {
    return s == null ? 0 : s.length();
  }

  public static long l(File f) {
    return f == null ? 0 : f.length();
  }

  public static int l(Object o) {
    return o == null ? 0 : o instanceof String ? l((String) o) : o instanceof Map ? l((Map) o) : o instanceof Collection ? l((Collection) o) : o instanceof Object[] ? l((Object[]) o) : (Integer) call(o, "size");
  }

  public static boolean isLowerHexString(String s) {
    for (int i = 0; i < l(s); i++) {
      char c = s.charAt(i);
      if (c >= '0' && c <= '9' || c >= 'a' && c <= 'f') {
      } else
        return false;
    }
    return true;
  }

  public static boolean endsWithLetterOrDigit(String s) {
    return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length() - 1));
  }

  public static volatile boolean ping_pauseAll;

  public static int ping_sleep = 100;

  public static volatile boolean ping_anyActions;

  public static Map<Thread, Object> ping_actions = newWeakHashMap();

  public static boolean ping() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl();
    return true;
  }

  public static boolean ping_impl() {
    try {
      if (ping_pauseAll && !isAWTThread()) {
        do Thread.sleep(ping_sleep); while (ping_pauseAll);
        return true;
      }
      if (ping_anyActions) {
        Object action = null;
        synchronized (ping_actions) {
          if (!ping_actions.isEmpty()) {
            action = ping_actions.get(currentThread());
            if (action instanceof Runnable)
              ping_actions.remove(currentThread());
            if (ping_actions.isEmpty())
              ping_anyActions = false;
          }
        }
        if (action instanceof Runnable)
          ((Runnable) action).run();
        else if (eq(action, "cancelled"))
          throw fail("Thread cancelled.");
      }
      return false;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isFalse(Object o) {
    return eq(false, o);
  }

  public static Map<Class, ArrayList<Method>> callF_cache = newDangerousWeakHashMap();

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

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

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

  public static ArrayList<Method> callF_makeCache(Class c) {
    ArrayList<Method> l = new ArrayList();
    Class _c = c;
    do {
      for (Method m : _c.getDeclaredMethods()) if (m.getName().equals("get")) {
        m.setAccessible(true);
        l.add(m);
      }
      if (!l.isEmpty())
        break;
      _c = _c.getSuperclass();
    } while (_c != null);
    callF_cache.put(c, l);
    return l;
  }

  public static String fixNewLines(String s) {
    int i = indexOf(s, '\r');
    if (i < 0)
      return s;
    int l = s.length();
    StringBuilder out = new StringBuilder(l);
    out.append(s, 0, i);
    for (; i < l; i++) {
      char c = s.charAt(i);
      if (c != '\r')
        out.append(c);
      else {
        out.append('\n');
        if (i + 1 < l && s.charAt(i + 1) == '\n')
          ++i;
      }
    }
    return out.toString();
  }

  public static void print_append(Appendable _buf, String s, int max) {
    try {
      synchronized (_buf) {
        _buf.append(s);
        if (!(_buf instanceof StringBuilder))
          return;
        StringBuilder buf = (StringBuilder) (_buf);
        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);
          }
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  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();
  }

  public static RuntimeException rethrow(Throwable t) {
    if (t instanceof Error)
      _handleError((Error) t);
    throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
  }

  public static String md5OfFile(File f) {
    try {
      if (!f.exists())
        return "-";
      MessageDigest md5 = MessageDigest.getInstance("MD5");
      FileInputStream in = new FileInputStream(f);
      try {
        byte[] buf = new byte[65536];
        int l;
        while (true) {
          l = in.read(buf);
          if (l <= 0)
            break;
          md5.update(buf, 0, l);
        }
        return bytesToHex(md5.digest());
      } finally {
        _close(in);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFilePossiblyGZipped(String fileName) {
    return loadTextFilePossiblyGZipped(fileName, null);
  }

  public static String loadTextFilePossiblyGZipped(String fileName, String defaultContents) {
    File gz = new File(fileName + ".gz");
    return gz.exists() ? loadGZTextFile(gz) : loadTextFile(fileName, defaultContents);
  }

  public static String loadTextFilePossiblyGZipped(File fileName) {
    return loadTextFilePossiblyGZipped(fileName, null);
  }

  public static String loadTextFilePossiblyGZipped(File fileName, String defaultContents) {
    return loadTextFilePossiblyGZipped(fileName.getPath(), defaultContents);
  }

  public static File getCodeProgramDir() {
    return getCodeProgramDir(getProgramID());
  }

  public static File getCodeProgramDir(String snippetID) {
    return new File(javaxCodeDir(), formatSnippetID(snippetID));
  }

  public static File getCodeProgramDir(long snippetID) {
    return getCodeProgramDir(formatSnippetID(snippetID));
  }

  public static boolean eq(Object a, Object b) {
    return a == null ? b == null : a == b || a.equals(b);
  }

  public static boolean infoMessage_alwaysOnTop = true;

  public static double infoMessage_defaultTime = 5.0;

  public static JWindow infoMessage(String text) {
    return infoMessage(text, infoMessage_defaultTime);
  }

  public static JWindow infoMessage(final String text, final double seconds) {
    printHidingCredentials(text);
    return infoMessage_noprint(text, seconds);
  }

  public static JWindow infoMessage_noprint(String text) {
    return infoMessage_noprint(text, infoMessage_defaultTime);
  }

  public static JWindow infoMessage_noprint(final String _text, final double seconds) {
    final String text = hideCredentials(_text);
    if (empty(text))
      return null;
    logQuotedWithDate(infoBoxesLogFile(), text);
    if (isHeadless())
      return null;
    return (JWindow) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          final JWindow window = showWindow(infoMessage_makePanel(text));
          window.setSize(300, 150);
          moveToTopRightCorner(window);
          if (infoMessage_alwaysOnTop)
            window.setAlwaysOnTop(true);
          window.setVisible(true);
          disposeWindowAfter(iround(seconds * 1000), window);
          return window;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final JWindow window = showWindow(infoMessage_makePanel(text));\r\n    window.s...";
      }
    });
  }

  public static JWindow infoMessage(Throwable e) {
    showConsole();
    printStackTrace(e);
    return infoMessage(exceptionToStringShort(e));
  }

  public static String getProgramName_cache;

  public static String getProgramName() {
    Lock __264 = downloadLock();
    lock(__264);
    try {
      if (getProgramName_cache == null)
        getProgramName_cache = getSnippetTitleOpt(programID());
      return getProgramName_cache;
    } finally {
      unlock(__264);
    }
  }

  public static void _onLoad_getProgramName() {
    {
      Thread _t_0 = new Thread() {

        public void run() {
          try {
            getProgramName();
          } catch (Throwable __e) {
            _handleException(__e);
          }
        }
      };
      startThread(_t_0);
    }
  }

  public static Class __javax;

  public static Class getJavaX() {
    try {
      return __javax;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object call(Object o) {
    return callF(o);
  }

  public static Object call(Object o, String method, String[] arg) {
    return call(o, method, new Object[] { arg });
  }

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

  public static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
    Class _c = c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) {
        if (debug)
          System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");
        ;
        if (!m.getName().equals(method)) {
          if (debug)
            System.out.println("Method name mismatch: " + method);
          continue;
        }
        if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug))
          continue;
        return m;
      }
      c = c.getSuperclass();
    }
    throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName());
  }

  public 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());
  }

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

  public static String smartJoin(List<String> args) {
    return smartJoin(toStringArray(args));
  }

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

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

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

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

  public 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);
    }
  }

  public 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);
    }
  }

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

  public 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());
  }

  public static boolean isAWTThread() {
    if (isAndroid())
      return false;
    if (isHeadless())
      return false;
    return isAWTThread_awt();
  }

  public static boolean isAWTThread_awt() {
    return SwingUtilities.isEventDispatchThread();
  }

  public static RuntimeException fail() {
    throw new RuntimeException("fail");
  }

  public static RuntimeException fail(Throwable e) {
    throw asRuntimeException(e);
  }

  public static RuntimeException fail(Object msg) {
    throw new RuntimeException(String.valueOf(msg));
  }

  public static RuntimeException fail(String msg) {
    throw new RuntimeException(msg == null ? "" : msg);
  }

  public static RuntimeException fail(String msg, Throwable innerException) {
    throw new RuntimeException(msg, innerException);
  }

  public static Object sleepQuietly_monitor = new Object();

  public static void sleepQuietly() {
    try {
      assertFalse(isAWTThread());
      synchronized (sleepQuietly_monitor) {
        sleepQuietly_monitor.wait();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void consoleIcon(String imageID) {
    frameIcon(consoleFrame(), or2(imageID, javaxDefaultIcon()));
  }

  public static void setDefaultFrameIcon(String icon) {
    makeFrame_defaultIcon = icon;
  }

  public static Boolean isHeadless_cache;

  public static boolean isHeadless() {
    if (isHeadless_cache != null)
      return isHeadless_cache;
    if (isAndroid())
      return isHeadless_cache = true;
    if (GraphicsEnvironment.isHeadless())
      return isHeadless_cache = true;
    try {
      SwingUtilities.isEventDispatchThread();
      return isHeadless_cache = false;
    } catch (Throwable e) {
      return isHeadless_cache = true;
    }
  }

  public static JFrame setFrameHeight(JFrame frame, int h) {
    frame.setSize(frame.getWidth(), h);
    return frame;
  }

  public static JFrame setFrameHeight(int h, JFrame frame) {
    return setFrameHeight(frame, h);
  }

  public static JFrame consoleFrame() {
    return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
  }

  public static void centerConsoleFrame() {
    centerFrame(consoleFrame());
  }

  public static void setConsoleSize(int w, int h) {
    setFrameSize(consoleFrame(), w, h);
  }

  public static Font typeWriterFont() {
    return typeWriterFont(14);
  }

  public static Font typeWriterFont(int size) {
    return new Font("Courier", Font.PLAIN, size);
  }

  public static void consoleFont(Font font) {
    callOpt(getConsoleTextArea_gen(), "setFont", font);
  }

  public static void consoleInputFont(final Font f) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            JTextField input = consoleInputField();
            if (input != null) {
              input.setFont(f);
              revalidateFrame(input);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JTextField input = consoleInputField();\r\n    if (input != null) {\r\n      inpu...";
        }
      });
    }
  }

  public static String htag(String tag) {
    return htag(tag, "");
  }

  public static String htag(String tag, Object contents, Object... params) {
    String openingTag = hopeningTag(tag, params);
    String s = str(contents);
    if (empty(s) && neqic(tag, "script"))
      return dropLast(openingTag) + "/>";
    return openingTag + s + "</" + tag + ">";
  }

  public static String str(Object o) {
    return o == null ? "null" : o.toString();
  }

  public static String str(char[] c) {
    return new String(c);
  }

  public static Throwable printStackTrace2(Throwable e) {
    print(getStackTrace2(e));
    return e;
  }

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

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

  public static String makeFrame_defaultIcon;

  public static boolean makeFrame_hideConsole;

  public static ThreadLocal<VF1<JFrame>> makeFrame_post = new ThreadLocal();

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

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

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

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

  public static JFrame makeFrame(final String title, final Object content, final boolean showIt) {
    final VF1<JFrame> post = optParam(makeFrame_post);
    return swing(new F0<JFrame>() {

      public JFrame get() {
        try {
          if (getFrame(content) != null)
            return getFrame(setFrameTitle((Component) content, title));
          final JFrame frame = new JFrame(title);
          if (makeFrame_defaultIcon != null)
            setFrameIconLater(frame, makeFrame_defaultIcon);
          _initFrame(frame);
          Component wrapped = wrap(content);
          if (wrapped != null)
            frame.getContentPane().add(wrapped);
          frame.setBounds(defaultNewFrameBounds());
          callF(post, frame);
          if (showIt)
            frame.setVisible(true);
          if (showIt && makeFrame_hideConsole) {
            hideConsole();
            makeFrame_hideConsole = false;
          }
          return frame;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (getFrame(content) != null)\r\n      ret getFrame(setFrameTitle((Component) ...";
      }
    });
  }

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

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

  public static PersistableThrowable persistableThrowable(Throwable e) {
    return e == null ? null : new PersistableThrowable(e);
  }

  public static <A> ArrayList<A> cloneList(Iterable<A> l) {
    return l instanceof Collection ? cloneList((Collection) l) : asList(l);
  }

  public static <A> ArrayList<A> cloneList(Collection<A> l) {
    if (l == null)
      return new ArrayList();
    synchronized (collectionMutex(l)) {
      return new ArrayList<A>(l);
    }
  }

  public static String defaultThreadName_name;

  public static String defaultThreadName() {
    if (defaultThreadName_name == null)
      defaultThreadName_name = "A thread by " + programID();
    return defaultThreadName_name;
  }

  public static Runnable wrapAsActivity(Object r) {
    return toRunnable(r);
  }

  public static Thread newThread(Object runnable) {
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)));
  }

  public static Thread newThread(Object runnable, String name) {
    if (name == null)
      name = defaultThreadName();
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name);
  }

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

  public static Runnable toRunnable(final Object o) {
    if (o instanceof Runnable)
      return (Runnable) o;
    return new Runnable() {

      public void run() {
        try {
          callF(o);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(o)";
      }
    };
  }

  public static Map<Thread, Boolean> _registerThread_threads;

  public static Object _onRegisterThread;

  public static Thread _registerThread(Thread t) {
    if (_registerThread_threads == null)
      _registerThread_threads = newWeakHashMap();
    _registerThread_threads.put(t, true);
    vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc()));
    callF(_onRegisterThread, t);
    return t;
  }

  public static void _registerThread() {
    _registerThread(Thread.currentThread());
  }

  public static volatile boolean licensed_yes = true;

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

  public static void licensed_off() {
    licensed_yes = false;
  }

  public static Object pcallF(Object f, Object... args) {
    return pcallFunction(f, args);
  }

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

  public static int loadPage_defaultTimeout = 60000;

  public static ThreadLocal<String> loadPage_charset = new ThreadLocal();

  public static boolean loadPage_allowGzip = true, loadPage_debug;

  public static boolean loadPage_anonymous;

  public static int loadPage_verboseness = 100000;

  public static int loadPage_retries = 1;

  public static ThreadLocal<Boolean> loadPage_silent = new ThreadLocal();

  public static volatile int loadPage_forcedTimeout;

  public static ThreadLocal<Integer> loadPage_forcedTimeout_byThread = new ThreadLocal();

  public static ThreadLocal<Map<String, List<String>>> loadPage_responseHeaders = new ThreadLocal();

  public static ThreadLocal<Map<String, String>> loadPage_extraHeaders = new ThreadLocal();

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

  public static String loadPageSilently(URL url) {
    try {
      if (url.getProtocol().equals("https"))
        disableCertificateValidation();
      if (!networkAllowanceTest(str(url)))
        throw fail("Not allowed: " + url);
      IOException e = null;
      for (int tries = 0; tries < loadPage_retries; tries++) try {
        URLConnection con = loadPage_openConnection(url);
        return loadPage(con, url);
      } catch (IOException _e) {
        e = _e;
        if (loadPageThroughProxy_enabled) {
          print("Trying proxy because of: " + e);
          try {
            return loadPageThroughProxy(str(url));
          } catch (Throwable e2) {
            print("  " + exceptionToStringShort(e2));
          }
        } else if (loadPage_debug)
          print(exceptionToStringShort(e));
        if (tries < loadPage_retries - 1)
          sleepSeconds(1);
      }
      throw e;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPage_preprocess(String url) {
    if (url.startsWith("tb/"))
      url = tb_mainServer() + "/" + url;
    if (url.indexOf("://") < 0)
      url = "http://" + url;
    return url;
  }

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

  public static String loadPage(URL url) {
    return loadPage(url.toExternalForm());
  }

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

  public static String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException {
    Map<String, String> extraHeaders = getAndClearThreadLocal(loadPage_extraHeaders);
    if (addHeaders)
      try {
        if (!loadPage_anonymous)
          setHeaders(con);
        if (loadPage_allowGzip)
          con.setRequestProperty("Accept-Encoding", "gzip");
        con.setRequestProperty("X-No-Cookies", "1");
        for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key));
      } catch (Throwable e) {
      }
    vm_generalSubMap("URLConnection per thread").put(currentThread(), con);
    loadPage_responseHeaders.set(con.getHeaderFields());
    InputStream in = null;
    try {
      in = con.getInputStream();
      if (loadPage_debug)
        print("Put stream in map: " + currentThread());
      String contentType = con.getContentType();
      if (contentType == null) {
        throw new IOException("Page could not be read: " + hideCredentials(url));
      }
      String charset = loadPage_charset == null ? null : loadPage_charset.get();
      if (charset == null)
        charset = loadPage_guessCharset(contentType);
      if ("gzip".equals(con.getContentEncoding())) {
        if (loadPage_debug)
          print("loadPage: Using gzip.");
        in = newGZIPInputStream(in);
      }
      Reader r;
      try {
        r = new InputStreamReader(in, unquote(charset));
      } catch (UnsupportedEncodingException e) {
        print(toHex(utf8(charset)));
        throw e;
      }
      StringBuilder buf = new StringBuilder();
      int n = 0;
      while (true) {
        int ch = r.read();
        if (ch < 0)
          break;
        buf.append((char) ch);
        ++n;
        if ((n % loadPage_verboseness) == 0)
          print("  " + n + " chars read");
      }
      return buf.toString();
    } finally {
      if (loadPage_debug)
        print("loadPage done");
      vm_generalSubMap("URLConnection per thread").remove(currentThread());
      if (in != null)
        in.close();
    }
  }

  public static String loadPage_guessCharset(String contentType) {
    Pattern p = Pattern.compile("text/[a-z]+;\\s*charset=([^\\s]+)\\s*");
    Matcher m = p.matcher(contentType);
    String match = m.matches() ? m.group(1) : null;
    if (loadPage_debug)
      print("loadPage: contentType=" + contentType + ", match: " + match);
    return or(match, "UTF-8");
  }

  public static URLConnection loadPage_openConnection(URL url) {
    URLConnection con = openConnection(url);
    int timeout = toInt(loadPage_forcedTimeout_byThread.get());
    if (timeout == 0)
      timeout = loadPage_forcedTimeout;
    if (timeout != 0)
      setURLConnectionTimeouts(con, loadPage_forcedTimeout);
    else
      setURLConnectionDefaultTimeouts(con, loadPage_defaultTimeout);
    return con;
  }

  public static URLConnection setURLConnectionTimeouts(URLConnection con, long timeout) {
    con.setConnectTimeout(toInt(timeout));
    con.setReadTimeout(toInt(timeout));
    if (con.getConnectTimeout() != timeout || con.getReadTimeout() != timeout)
      print("Warning: Timeouts not set by JDK.");
    return con;
  }

  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;
  }

  public static boolean nempty(Collection c) {
    return !isEmpty(c);
  }

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

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

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

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

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

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

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

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

  public 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);
    }
  }

  public 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);
    }
  }

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

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

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

  public static Class getMainClass() {
    return mc();
  }

  public static Class getMainClass(Object o) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class && eq(((Class) o).getName(), "x30"))
        return (Class) o;
      return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A, B> Map<A, B> newWeakHashMap() {
    return _registerWeakMap(synchroMap(new WeakHashMap()));
  }

  public static Thread currentThread() {
    return Thread.currentThread();
  }

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

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

  public static HashMap<String, List<Method>> callMC_cache = new HashMap();

  public static String callMC_key;

  public static Method callMC_value;

  public static Object callMC(String method, String[] arg) {
    return callMC(method, new Object[] { arg });
  }

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

  public static void callMC_makeCache() {
    synchronized (callMC_cache) {
      callMC_cache.clear();
      Class _c = (Class) mc(), c = _c;
      while (c != null) {
        for (Method m : c.getDeclaredMethods()) if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) {
          m.setAccessible(true);
          multiMapPut(callMC_cache, m.getName(), m);
        }
        c = c.getSuperclass();
      }
    }
  }

  public static String getClassName(Object o) {
    return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
  }

  public static Object invokeMethod(Method m, Object o, Object... args) {
    try {
      try {
        return m.invoke(o, args);
      } catch (InvocationTargetException e) {
        throw rethrow(getExceptionCause(e));
      } catch (IllegalArgumentException e) {
        throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public 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;
  }

  public 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;
  }

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

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

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

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

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

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

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

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

  public 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;
  }

  public static void _handleError(Error e) {
    call(javax(), "_handleError", e);
  }

  public static void _close(AutoCloseable c) {
    try {
      if (c != null)
        c.close();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadGZTextFile(File file) {
    try {
      if (!file.isFile())
        return null;
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      InputStream fis = new FileInputStream(file);
      GZIPInputStream gis = newGZIPInputStream(fis);
      try {
        byte[] buffer = new byte[1024];
        int len;
        while ((len = gis.read(buffer)) != -1) {
          baos.write(buffer, 0, len);
        }
      } finally {
        fis.close();
      }
      baos.close();
      return fromUtf8(baos.toByteArray());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFile(String fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(File f, String defaultContents) {
    try {
      checkFileNotTooBigToRead(f);
      if (f == null || !f.exists())
        return defaultContents;
      FileInputStream fileInputStream = new FileInputStream(f);
      InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
      return loadTextFile(inputStreamReader);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFile(File fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(String fileName, String defaultContents) {
    return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents);
  }

  public static String loadTextFile(Reader reader) throws IOException {
    StringBuilder builder = new StringBuilder();
    try {
      char[] buffer = new char[1024];
      int n;
      while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n);
    } finally {
      reader.close();
    }
    return str(builder);
  }

  public static File javaxCodeDir_dir;

  public static File javaxCodeDir() {
    return javaxCodeDir_dir != null ? javaxCodeDir_dir : new File(userHome(), "JavaX-Code");
  }

  public static <A> A printHidingCredentials(A o) {
    print(hideCredentials(str(o)));
    return o;
  }

  public static String hideCredentials(URL url) {
    return url == null ? null : hideCredentials(str(url));
  }

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

  public static String hideCredentials(Object o) {
    return hideCredentials(str(o));
  }

  public static boolean empty(Collection c) {
    return c == null || c.isEmpty();
  }

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

  public static boolean empty(Map map) {
    return map == null || map.isEmpty();
  }

  public static boolean empty(Object[] o) {
    return o == null || o.length == 0;
  }

  public static boolean empty(Object o) {
    if (o instanceof Collection)
      return empty((Collection) o);
    if (o instanceof String)
      return empty((String) o);
    if (o instanceof Map)
      return empty((Map) o);
    if (o instanceof Object[])
      return empty((Object[]) o);
    if (o instanceof byte[])
      return empty((byte[]) o);
    if (o == null)
      return true;
    throw fail("unknown type for 'empty': " + getType(o));
  }

  public static boolean empty(float[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(int[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(long[] a) {
    return a == null || a.length == 0;
  }

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

  public static void logQuotedWithDate(String s) {
    logQuotedWithTime(s);
  }

  public static void logQuotedWithDate(String logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  public static void logQuotedWithDate(File logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  public static File infoBoxesLogFile() {
    return new File(javaxDataDir(), "Logs/infoBoxes.txt");
  }

  public static void swingAndWait(Runnable r) {
    try {
      if (isAWTThread())
        r.run();
      else
        EventQueue.invokeAndWait(addThreadInfoToRunnable(r));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object swingAndWait(final Object f) {
    if (isAWTThread())
      return callF(f);
    else {
      final Var result = new Var();
      swingAndWait(new Runnable() {

        public void run() {
          try {
            result.set(callF(f));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "result.set(callF(f));";
        }
      });
      return result.get();
    }
  }

  public static JWindow showWindow(Component c) {
    JWindow w = new JWindow();
    w.add(wrap(c));
    return w;
  }

  public static JPanel infoMessage_makePanel(String text) {
    final JTextArea ta = wrappedTextArea(text);
    onClick(ta, new Runnable() {

      public void run() {
        try {
          disposeWindow(ta);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "disposeWindow(ta)";
      }
    });
    int size = 14;
    if (l(text) <= 50)
      size *= 2;
    else if (l(text) < 100)
      size = iround(size * 1.5);
    ta.setFont(typeWriterFont(size));
    JScrollPane sp = jscroll(ta);
    return withMargin(sp);
  }

  public static int moveToTopRightCorner_inset = 20;

  public static <A extends Component> A moveToTopRightCorner(A a) {
    return moveToTopRightCorner(moveToTopRightCorner_inset, moveToTopRightCorner_inset, a);
  }

  public static <A extends Component> A moveToTopRightCorner(int insetX, int insetY, A a) {
    Window w = getWindow(a);
    if (w != null)
      w.setLocation(getScreenSize().width - w.getWidth() - insetX, insetY);
    return a;
  }

  public static <A extends Window> A disposeWindowAfter(int delay, final A w) {
    if (w != null)
      swingLater(delay, new Runnable() {

        public void run() {
          try {
            w.dispose();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "w.dispose();";
        }
      });
    return w;
  }

  public static <A extends Window> A disposeWindowAfter(A w, double seconds) {
    return disposeWindowAfter(toMS_int(seconds), w);
  }

  public static int iround(double d) {
    return (int) Math.round(d);
  }

  public static void showConsole() {
    callOpt(get(javax(), "console"), "showConsole");
  }

  public static Throwable printStackTrace(Throwable e) {
    print(getStackTrace(e));
    return e;
  }

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

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

  public static String exceptionToStringShort(Throwable e) {
    lastException(e);
    e = getInnerException(e);
    String msg = hideCredentials(unnull(e.getMessage()));
    if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
      return baseClassName(e) + prependIfNempty(": ", msg);
    else
      return msg;
  }

  public static Lock downloadLock_lock = fairLock();

  public static Lock downloadLock() {
    return downloadLock_lock;
  }

  public static void lock(Lock lock) {
    try {
      ping();
      if (lock == null)
        return;
      try {
        lock.lockInterruptibly();
      } catch (InterruptedException e) {
        print("Locking interrupted! I probably deadlocked, oops.");
        printStackTrace(e);
        rethrow(e);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

  public static ReentrantLock lock() {
    return fairLock();
  }

  public static String getSnippetTitleOpt(String s) {
    return isSnippetID(s) ? getSnippetTitle(s) : s;
  }

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

  public static void unlock(Lock lock) {
    if (lock == null)
      return;
    lock.unlock();
  }

  public static boolean isJavaIdentifier(String s) {
    if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0)))
      return false;
    for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
    return true;
  }

  public static boolean isQuoted(String s) {
    if (isNormalQuoted(s))
      return true;
    return isMultilineQuoted(s);
  }

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

  public static String quote(String s) {
    if (s == null)
      return "null";
    StringBuilder out = new StringBuilder((int) (l(s) * 1.5 + 2));
    quote_impl(s, out);
    return out.toString();
  }

  public static void quote_impl(String s, StringBuilder out) {
    out.append('"');
    int l = s.length();
    for (int i = 0; i < l; i++) {
      char c = s.charAt(i);
      if (c == '\\' || c == '"')
        out.append('\\').append(c);
      else if (c == '\r')
        out.append("\\r");
      else if (c == '\n')
        out.append("\\n");
      else if (c == '\0')
        out.append("\\0");
      else
        out.append(c);
    }
    out.append('"');
  }

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

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

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

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

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

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

  public static String[] toStringArray(Collection<String> c) {
    String[] a = new String[l(c)];
    Iterator<String> it = c.iterator();
    for (int i = 0; i < l(a); i++) a[i] = it.next();
    return a;
  }

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

  public 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;
  }

  public static RuntimeException asRuntimeException(Throwable t) {
    if (t instanceof Error)
      _handleError((Error) t);
    return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
  }

  public static int isAndroid_flag;

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

  public static void assertFalse(Object o) {
    if (!(eq(o, false)))
      throw fail(str(o));
  }

  public static boolean assertFalse(boolean b) {
    if (b)
      throw fail("oops");
    return b;
  }

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

  public static Component frameIcon(Component c, String imageID) {
    setFrameIconLater(c, imageID);
    return c;
  }

  public static Component frameIcon(String imageID, Component c) {
    setFrameIconLater(c, imageID);
    return c;
  }

  public static String or2(String a, String b) {
    return nempty(a) ? a : b;
  }

  public static String or2(String a, String b, String c) {
    return or2(or2(a, b), c);
  }

  public static String javaxDefaultIcon() {
    return "#1005557";
  }

  public static <A extends Component> A centerFrame(A c) {
    Window w = getWindow(c);
    if (w != null)
      w.setLocationRelativeTo(null);
    return c;
  }

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

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

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

  public static Object callOpt(Object o) {
    if (o == null)
      return null;
    return callF(o);
  }

  public static Object callOpt(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Method m = callOpt_findStaticMethod((Class) o, method, args, false);
        if (m == null)
          return null;
        m.setAccessible(true);
        return invokeMethod(m, null, args);
      } else {
        Method m = callOpt_findMethod(o, method, args, false);
        if (m == null)
          return null;
        m.setAccessible(true);
        return invokeMethod(m, o, args);
      }
    } catch (Exception e) {
      throw rethrow(e);
    }
  }

  public static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
    Class _c = c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) {
        if (debug)
          System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");
        ;
        if (!m.getName().equals(method)) {
          if (debug)
            System.out.println("Method name mismatch: " + method);
          continue;
        }
        if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 || !callOpt_checkArgs(m, args, debug))
          continue;
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  public 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;
  }

  public 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 Object getConsoleTextArea_gen() {
    return getOpt(get(getJavaX(), "console"), "textArea");
  }

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

  public static <A> A swing(F0<A> f) {
    return (A) swingAndWait(f);
  }

  public static JTextField consoleInputField() {
    Object console = get(getJavaX(), "console");
    return (JTextField) getOpt(console, "tfInput");
  }

  public static void revalidateFrame(Component c) {
    revalidate(getFrame(c));
  }

  public static String hopeningTag(String tag, Map params) {
    return hopeningTag(tag, mapToParams(params));
  }

  public static String hopeningTag(String tag, Object... params) {
    StringBuilder buf = new StringBuilder();
    buf.append("<" + tag);
    for (int i = 0; i < l(params); i += 2) {
      String name = (String) get(params, i);
      Object val = get(params, i + 1);
      if (nempty(name) && val != null) {
        String s = str(val);
        if (!empty(s))
          buf.append(" " + name + "=" + htmlQuote(s));
      }
    }
    buf.append(">");
    return str(buf);
  }

  public static boolean neqic(String a, String b) {
    return !eqic(a, b);
  }

  public static String[] dropLast(String[] a, int n) {
    n = Math.min(n, a.length);
    String[] b = new String[a.length - n];
    System.arraycopy(a, 0, b, 0, b.length);
    return b;
  }

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

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

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

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

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

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

  public static String getStackTrace2(Throwable e) {
    return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(getInnerException(e)))) + "\n");
  }

  public static <A> A optParam(ThreadLocal<A> tl, A defaultValue) {
    return optPar(tl, defaultValue);
  }

  public static <A> A optParam(ThreadLocal<A> tl) {
    return optPar(tl);
  }

  public static <A> A optParam(Object[] opt, String name, A defaultValue) {
    if (!even(l(opt)))
      throw fail("Odd parameter length");
    for (int i = 0; i < l(opt); i += 2) if (eq(opt[i], name))
      return (A) opt[i + 1];
    return defaultValue;
  }

  public static <A> A optParam(Object[] opt, String name) {
    return optParam(opt, name, null);
  }

  public static JFrame getFrame(final Object _o) {
    return swing(new F0<JFrame>() {

      public JFrame get() {
        try {
          Object o = _o;
          if (o instanceof ButtonGroup)
            o = first(buttonsInGroup((ButtonGroup) o));
          if (!(o instanceof Component))
            return null;
          Component c = (Component) o;
          while (c != null) {
            if (c instanceof JFrame)
              return (JFrame) c;
            c = c.getParent();
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button...";
      }
    });
  }

  public static <A> A setFrameTitle(A c, final String title) {
    final Frame f = getAWTFrame(c);
    if (f != null) {
      swing(new Runnable() {

        public void run() {
          try {
            f.setTitle(title);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "f.setTitle(title);";
        }
      });
    }
    return c;
  }

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

  public static JFrame setFrameTitle(String title) {
    Object f = getOpt(mc(), "frame");
    if (f instanceof JFrame)
      return setFrameTitle((JFrame) f, title);
    return null;
  }

  public static JFrame setFrameIconLater(Component c, final String imageID) {
    final JFrame frame = getFrame(c);
    if (frame != null) {
      Thread _t_0 = new Thread("Loading Icon") {

        public void run() {
          try {
            final Image i = imageIcon(or2(imageID, "#1005557")).getImage();
            swingLater(new Runnable() {

              public void run() {
                try {
                  frame.setIconImage(i);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "frame.setIconImage(i);";
              }
            });
          } catch (Throwable __e) {
            _handleException(__e);
          }
        }
      };
      startThread(_t_0);
    }
    return frame;
  }

  public static void _initFrame(JFrame f) {
    myFrames_list.put(f, Boolean.TRUE);
    standardTitlePopupMenu(f);
  }

  public static Component wrap(Object swingable) {
    return _recordNewSwingComponent(wrap_2(swingable));
  }

  public static Component wrap_2(Object swingable) {
    if (swingable == null)
      return null;
    Component c;
    if (swingable instanceof Component)
      c = (Component) swingable;
    else
      c = (Component) callOpt(swingable, "swing");
    if (c instanceof JTable || c instanceof JList || c instanceof JTextArea || c instanceof JEditorPane || c instanceof JTextPane || c instanceof JTree)
      return jscroll(c);
    return c == null ? jlabel(str(swingable)) : c;
  }

  public static Rectangle defaultNewFrameBounds_r = new Rectangle(300, 100, 500, 400);

  public static Rectangle defaultNewFrameBounds() {
    return swing(new F0<Rectangle>() {

      public Rectangle get() {
        try {
          defaultNewFrameBounds_r.translate(60, 20);
          if (!screenRectangle().contains(defaultNewFrameBounds_r))
            defaultNewFrameBounds_r.setLocation(30 + random(30), 20 + random(20));
          return new Rectangle(defaultNewFrameBounds_r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "defaultNewFrameBounds_r.translate(60, 20);\r\n    if (!screenRectangle().contai...";
      }
    });
  }

  public static void hideConsole() {
    final JFrame frame = consoleFrame();
    if (frame != null) {
      autoVMExit();
      swingLater(new Runnable() {

        public void run() {
          try {
            frame.setVisible(false);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "frame.setVisible(false);";
        }
      });
    }
  }

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

  public static ArrayList<Integer> asList(int[] a) {
    ArrayList<Integer> l = new ArrayList();
    for (int i : a) l.add(i);
    return l;
  }

  public 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;
  }

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

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

  public static Runnable _topLevelErrorHandling(final Runnable runnable) {
    final Object info = _threadInfo();
    return new Runnable() {

      public void run() {
        try {
          try {
            _threadInheritInfo(info);
            runnable.run();
          } catch (Throwable __e) {
            _handleException(__e);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcall {\r\n      _threadInheritInfo(info);\r\n      runnable.run();\r\n    }";
      }
    };
  }

  public static Map vm_generalWeakSubMap(Object name) {
    synchronized (get(javax(), "generalMap")) {
      Map map = (Map) (vm_generalMap_get(name));
      if (map == null)
        vm_generalMap_put(name, map = newWeakMap());
      return map;
    }
  }

  public static <A> WeakReference<A> weakRef(A a) {
    return newWeakReference(a);
  }

  public static Class mc() {
    return main.class;
  }

  public static Object pcallFunction(Object f, Object... args) {
    try {
      return callFunction(f, args);
    } catch (Throwable __e) {
      _handleException(__e);
    }
    return null;
  }

  public static volatile boolean disableCertificateValidation_attempted;

  public static void disableCertificateValidation() {
    try {
      if (disableCertificateValidation_attempted)
        return;
      disableCertificateValidation_attempted = true;
      try {
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

          public X509Certificate[] getAcceptedIssuers() {
            return new X509Certificate[0];
          }

          public void checkClientTrusted(X509Certificate[] certs, String authType) {
          }

          public void checkServerTrusted(X509Certificate[] certs, String authType) {
          }
        } };
        HostnameVerifier hv = new HostnameVerifier() {

          public boolean verify(String hostname, SSLSession session) {
            return true;
          }
        };
        SSLContext sc = SSLContext.getInstance("SSL");
        sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        HttpsURLConnection.setDefaultHostnameVerifier(hv);
      } catch (Throwable __e) {
        _handleException(__e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean networkAllowanceTest(String url) {
    return isAllowed("networkAllowanceTest", url);
  }

  public static final boolean loadPageThroughProxy_enabled = false;

  public static String loadPageThroughProxy(String url) {
    return null;
  }

  public static void sleepSeconds(double s) {
    if (s > 0)
      sleep(round(s * 1000));
  }

  public static String tb_mainServer_default = "http://tinybrain.de:8080";

  public static Object tb_mainServer_override;

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

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

  public static boolean tb_mainServer_isDefault() {
    return eq(tb_mainServer(), tb_mainServer_default);
  }

  public static boolean isTrue(Object o) {
    if (o instanceof Boolean)
      return ((Boolean) o).booleanValue();
    if (o == null)
      return false;
    if (o instanceof ThreadLocal)
      return isTrue(((ThreadLocal) o).get());
    throw fail(getClassName(o));
  }

  public static void printWithTime(String s) {
    print(hmsWithColons() + ": " + s);
  }

  public static <A> A getAndClearThreadLocal(ThreadLocal<A> tl) {
    A a = tl.get();
    tl.set(null);
    return a;
  }

  public static void setHeaders(URLConnection con) throws IOException {
    String computerID = getComputerID_quick();
    if (computerID != null)
      try {
        con.setRequestProperty("X-ComputerID", computerID);
        con.setRequestProperty("X-OS", System.getProperty("os.name") + " " + System.getProperty("os.version"));
      } catch (Throwable e) {
      }
  }

  public static <A, B> Set<A> keys(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

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

  public static Map vm_generalSubMap(Object name) {
    synchronized (get(javax(), "generalMap")) {
      Map map = (Map) (vm_generalMap_get(name));
      if (map == null)
        vm_generalMap_put(name, map = synchroMap());
      return map;
    }
  }

  public static GZIPInputStream newGZIPInputStream(File f) {
    return gzInputStream(f);
  }

  public static GZIPInputStream newGZIPInputStream(InputStream in) {
    return gzInputStream(in);
  }

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

  public static String toHex(byte[] bytes) {
    return bytesToHex(bytes);
  }

  public static String toHex(byte[] bytes, int ofs, int len) {
    return bytesToHex(bytes, ofs, len);
  }

  public static byte[] utf8(String s) {
    return toUtf8(s);
  }

  public static <A> A or(A a, A b) {
    return a != null ? a : b;
  }

  public static URLConnection openConnection(URL url) {
    try {
      ping();
      callOpt(javax(), "recordOpenURLConnection", str(url));
      return url.openConnection();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public 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));
  }

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

  public static URLConnection setURLConnectionDefaultTimeouts(URLConnection con, long timeout) {
    if (con.getConnectTimeout() == 0) {
      con.setConnectTimeout(toInt(timeout));
      if (con.getConnectTimeout() != timeout)
        print("Warning: URL connect timeout not set by JDK.");
    }
    if (con.getReadTimeout() == 0) {
      con.setReadTimeout(toInt(timeout));
      if (con.getReadTimeout() != timeout)
        print("Warning: URL read timeout not set by JDK.");
    }
    return con;
  }

  public 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);
  }

  public static boolean isEmpty(Collection c) {
    return c == null || c.isEmpty();
  }

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

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

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

  public static boolean isEmpty(Map map) {
    return map == null || map.isEmpty();
  }

  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }

  public static class getOpt_Map extends WeakHashMap {

    public getOpt_Map() {
      if (getOpt_special == null)
        getOpt_special = new HashMap();
      clear();
    }

    public void clear() {
      super.clear();
      put(Class.class, getOpt_special);
      put(String.class, getOpt_special);
    }
  }

  public static final Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));

  public static HashMap getOpt_special;

  public static Object getOpt_cached(Object o, String field) {
    try {
      if (o == null)
        return null;
      Class c = o.getClass();
      HashMap<String, Field> map;
      synchronized (getOpt_cache) {
        map = getOpt_cache.get(c);
        if (map == null)
          map = getOpt_makeCache(c);
      }
      if (map == getOpt_special) {
        if (o instanceof Class)
          return getOpt((Class) o, field);
        if (o instanceof Map)
          return ((Map) o).get(field);
      }
      Field f = map.get(field);
      if (f != null)
        return f.get(o);
      if (o instanceof DynamicObject)
        return ((DynamicObject) o).fieldValues.get(field);
      return null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Field> getOpt_makeCache(Class c) {
    HashMap<String, Field> map;
    if (isSubtypeOf(c, Map.class))
      map = getOpt_special;
    else {
      map = new HashMap();
      Class _c = c;
      do {
        for (Field f : _c.getDeclaredFields()) {
          f.setAccessible(true);
          String name = f.getName();
          if (!map.containsKey(name))
            map.put(name, f);
        }
        _c = _c.getSuperclass();
      } while (_c != null);
    }
    if (getOpt_cache != null)
      getOpt_cache.put(c, map);
    return map;
  }

  public static List _registerWeakMap_preList;

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

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

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

  public static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
    return Collections.synchronizedMap(map);
  }

  public static List<Pair> _registerDangerousWeakMap_preList;

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

  public static <A> A _registerDangerousWeakMap(A map, Object init) {
    callF(init, map);
    if (init instanceof String) {
      final String f = (String) (init);
      init = new VF1<Map>() {

        public void get(Map map) {
          try {
            callMC(f, map);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callMC(f, map)";
        }
      };
    }
    if (javax() == null) {
      if (_registerDangerousWeakMap_preList == null)
        _registerDangerousWeakMap_preList = synchroList();
      _registerDangerousWeakMap_preList.add(pair(map, init));
      return map;
    }
    call(javax(), "_registerDangerousWeakMap", map, init);
    return map;
  }

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

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

  public static List<String> classNames(Object[] l) {
    return getClassNames(Arrays.asList(l));
  }

  public static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
    List<B> l = map.get(a);
    if (l == null)
      map.put(a, l = new ArrayList());
    l.add(b);
  }

  public static Throwable getExceptionCause(Throwable e) {
    Throwable c = e.getCause();
    return c != null ? c : e;
  }

  public static String joinWithSpace(Collection<String> c) {
    return join(" ", c);
  }

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

  public 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);
  }

  public static Class javax() {
    return getJavaX();
  }

  public static String fromUtf8(byte[] bytes) {
    try {
      return new String(bytes, "UTF-8");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ThreadLocal<VF1<File>> checkFileNotTooBigToRead_tl = new ThreadLocal();

  public static void checkFileNotTooBigToRead(File f) {
    callF(checkFileNotTooBigToRead_tl.get(), f);
  }

  public static File newFile(File base, String... names) {
    for (String name : names) base = new File(base, name);
    return base;
  }

  public static File newFile(String name) {
    return name == null ? null : new File(name);
  }

  public static String _userHome;

  public static String userHome() {
    if (_userHome == null) {
      if (isAndroid())
        _userHome = "/storage/sdcard0/";
      else
        _userHome = System.getProperty("user.home");
    }
    return _userHome;
  }

  public static File userHome(String path) {
    return new File(userDir(), path);
  }

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

  public static void logQuotedWithTime(String s) {
    logQuotedWithTime(standardLogFile(), s);
  }

  public static void logQuotedWithTime(File logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  public static void logQuotedWithTime(String logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  public static String logQuotedWithTime_format(String s) {
    return formatGMTWithDate_24(now()) + " " + s;
  }

  public static File javaxDataDir_dir;

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

  public static File javaxDataDir(String sub) {
    return newFile(javaxDataDir(), sub);
  }

  public static Runnable addThreadInfoToRunnable(final Object r) {
    final Object info = _threadInfo();
    return info == null ? asRunnable(r) : new Runnable() {

      public void run() {
        try {
          _inheritThreadInfo(info);
          callF(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "_inheritThreadInfo(info); callF(r);";
      }
    };
  }

  public static JTextArea wrappedTextArea(final JTextArea ta) {
    enableWordWrapForTextArea(ta);
    return ta;
  }

  public static JTextArea wrappedTextArea() {
    return wrappedTextArea(jtextarea());
  }

  public static JTextArea wrappedTextArea(String text) {
    JTextArea ta = wrappedTextArea();
    ta.setText(text);
    return ta;
  }

  public static void onClick(JComponent c, final Object runnable) {
    c.addMouseListener(new MouseAdapter() {

      public void mouseClicked(MouseEvent e) {
        callF(runnable, e);
      }
    });
  }

  public static void onClick(JButton btn, final Object runnable) {
    onEnter(btn, runnable);
  }

  public static void disposeWindow(final Window window) {
    if (window != null) {
      swing(new Runnable() {

        public void run() {
          try {
            window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING));
            myFrames_list.remove(window);
            window.dispose();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); //...";
        }
      });
    }
  }

  public static void disposeWindow(final Component c) {
    disposeWindow(getWindow(c));
  }

  public static void disposeWindow(Object o) {
    if (o != null)
      disposeWindow(((Component) o));
  }

  public static void disposeWindow() {
    disposeWindow(heldInstance(Component.class));
  }

  public static JScrollPane jscroll(final Component c) {
    return swing(new F0<JScrollPane>() {

      public JScrollPane get() {
        try {
          return new JScrollPane(c);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "new JScrollPane(c)";
      }
    });
  }

  public static int withMargin_defaultWidth = 6;

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

  public static JPanel withMargin(int w, Component c) {
    return withMargin(w, w, c);
  }

  public static JPanel withMargin(int w, int h, Component c) {
    return withMargin(w, h, w, h, c);
  }

  public static JPanel withMargin(final int top, final int left, final int bottom, final int right, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(top, left, bottom, right));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static Window getWindow(Object o) {
    if (!(o instanceof Component))
      return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof Window)
        return (Window) c;
      c = c.getParent();
    }
    return null;
  }

  public static Dimension getScreenSize() {
    return Toolkit.getDefaultToolkit().getScreenSize();
  }

  public static void swingLater(long delay, final Object r) {
    javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(wrapAsActivity(r)));
    timer.setRepeats(false);
    timer.start();
  }

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

  public static int toMS_int(double seconds) {
    return toInt_checked((long) (seconds * 1000));
  }

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

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

  public static String getStackTrace() {
    return getStackTrace_noRecord(new Throwable());
  }

  public static volatile PersistableThrowable lastException_lastException;

  public static PersistableThrowable lastException() {
    return lastException_lastException;
  }

  public static void lastException(Throwable e) {
    lastException_lastException = persistableThrowable(e);
  }

  public static Throwable getInnerException(Throwable e) {
    while (e.getCause() != null) e = e.getCause();
    return e;
  }

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

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

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

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

  public static <A> A[] unnull(A[] a) {
    return a == null ? (A[]) new Object[0] : a;
  }

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

  public static String baseClassName(String className) {
    return substring(className, className.lastIndexOf('.') + 1);
  }

  public static String baseClassName(Object o) {
    return baseClassName(getClassName(o));
  }

  public static String prependIfNempty(String prefix, String s) {
    return empty(s) ? s : prefix + s;
  }

  public static ReentrantLock fairLock() {
    return new ReentrantLock(true);
  }

  public static void lockOrFail(Lock lock, long timeout) {
    try {
      ping();
      if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
        String s = "Couldn't acquire lock after " + timeout + " ms.";
        if (lock instanceof ReentrantLock) {
          ReentrantLock l = (ReentrantLock) (lock);
          s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
        }
        throw fail(s);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String getSnippetTitle(String id) {
    try {
      if (id == null)
        return null;
      if (!isSnippetID(id))
        return "?";
      long parsedID = parseSnippetID(id);
      String url;
      if (isImageServerSnippet(parsedID))
        url = "http://ai1.space/images/raw/title/" + parsedID + muricaCredentialsQuery();
      else if (isGeneralFileServerSnippet(parsedID))
        url = "http://butter.botcompany.de:8080/files/name/" + parsedID;
      else
        url = tb_mainServer() + "/tb-int/getfield.php?id=" + parsedID + "&field=title" + standardCredentials_noCookies();
      return or2(trim(loadPageSilently(url)), "?");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  public static boolean isNormalQuoted(String s) {
    int l = l(s);
    if (!(l >= 2 && s.charAt(0) == '"' && lastChar(s) == '"'))
      return false;
    int j = 1;
    while (j < l) if (s.charAt(j) == '"')
      return j == l - 1;
    else if (s.charAt(j) == '\\' && j + 1 < l)
      j += 2;
    else
      ++j;
    return false;
  }

  public static boolean isMultilineQuoted(String s) {
    if (!startsWith(s, "["))
      return false;
    int i = 1;
    while (i < s.length() && s.charAt(i) == '=') ++i;
    return i < s.length() && s.charAt(i) == '[';
  }

  public static void revalidate(final Component c) {
    if (c == null || !c.isShowing())
      return;
    {
      swing(new Runnable() {

        public void run() {
          try {
            c.revalidate();
            c.repaint();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "// magic combo to actually relayout and repaint\r\n    c.revalidate();\r\n    c.r...";
        }
      });
    }
  }

  public static void revalidate(RootPaneContainer c) {
    revalidate((Component) c);
  }

  public static void revalidate(JFrame f) {
    revalidate((Component) f);
  }

  public static void revalidate(JInternalFrame f) {
    revalidate((Component) f);
  }

  public static Object[] mapToParams(Map map) {
    return mapToObjectArray(map);
  }

  public static String htmlQuote(String s) {
    return "\"" + htmlencode_forParams(s) + "\"";
  }

  public static boolean eqic(String a, String b) {
    if ((a == null) != (b == null))
      return false;
    if (a == null)
      return true;
    return a.equalsIgnoreCase(b);
  }

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

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

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

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

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

  public static Map<JFrame, Boolean> myFrames_list = weakHashMap();

  public static List<JFrame> myFrames() {
    return swing(new F0<List<JFrame>>() {

      public List<JFrame> get() {
        try {
          return keysList(myFrames_list);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "keysList(myFrames_list)";
      }
    });
  }

  public static Throwable unwrapTrivialExceptionWraps(Throwable e) {
    if (e == null)
      return e;
    while (e.getClass() == RuntimeException.class && e.getCause() != null && eq(e.getMessage(), str(e.getCause()))) e = e.getCause();
    return e;
  }

  public static String replacePrefix(String prefix, String replacement, String s) {
    if (!startsWith(s, prefix))
      return s;
    return replacement + substring(s, l(prefix));
  }

  public static <A> A optPar(ThreadLocal<A> tl, A defaultValue) {
    A a = tl.get();
    if (a != null) {
      tl.set(null);
      return a;
    }
    return defaultValue;
  }

  public static <A> A optPar(ThreadLocal<A> tl) {
    return optPar(tl, null);
  }

  public static boolean even(int i) {
    return (i & 1) == 0;
  }

  public static boolean even(long i) {
    return (i & 1) == 0;
  }

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

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

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

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

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

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

  public static List<AbstractButton> buttonsInGroup(ButtonGroup g) {
    if (g == null)
      return ll();
    return asList(g.getElements());
  }

  public static Frame getAWTFrame(final Object _o) {
    return swing(new F0<Frame>() {

      public Frame get() {
        try {
          Object o = _o;
          if (o instanceof ButtonGroup)
            o = first(buttonsInGroup((ButtonGroup) o));
          if (!(o instanceof Component))
            return null;
          Component c = (Component) o;
          while (c != null) {
            if (c instanceof Frame)
              return (Frame) c;
            c = c.getParent();
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "O o = _o;\r\n    /*\r\n    ifdef HaveProcessing\r\n      if (o instanceof PApplet) ...";
      }
    });
  }

  public static int imageIcon_cacheSize = 10;

  public static boolean imageIcon_verbose;

  public static Map<String, ImageIcon> imageIcon_cache;

  public static Lock imageIcon_lock = lock();

  public static ThreadLocal<Boolean> imageIcon_fixGIF = new ThreadLocal();

  public static ImageIcon imageIcon(String imageID) {
    try {
      Lock __715 = imageIcon_lock;
      lock(__715);
      try {
        if (imageIcon_cache == null)
          imageIcon_cache = new MRUCache(imageIcon_cacheSize);
        imageID = fsI(imageID);
        ImageIcon ii = imageIcon_cache.get(imageID);
        if (ii == null) {
          if (imageIcon_verbose)
            print("Loading image icon: " + imageID);
          File f = loadBinarySnippet(imageID);
          Boolean b = imageIcon_fixGIF.get();
          if (!isFalse(b))
            ii = new ImageIcon(loadBufferedImageFixingGIFs(f));
          else
            ii = new ImageIcon(f.toURI().toURL());
        } else
          imageIcon_cache.remove(imageID);
        imageIcon_cache.put(imageID, ii);
        return ii;
      } finally {
        unlock(__715);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ImageIcon imageIcon(Image img) {
    return new ImageIcon(img);
  }

  public static void standardTitlePopupMenu(final JFrame frame) {
    if (isSubstanceLAF())
      titlePopupMenu(frame, new VF1<JPopupMenu>() {

        public void get(JPopupMenu menu) {
          try {
            boolean alwaysOnTop = frame.isAlwaysOnTop();
            menu.add(jmenuItem("Restart Program", "restart"));
            menu.add(jmenuItem("Duplicate Program", "duplicateThisProgram"));
            menu.add(jmenuItem("Show Console", "showConsole"));
            menu.add(jCheckBoxMenuItem("Always On Top", alwaysOnTop, new Runnable() {

              public void run() {
                try {
                  toggleAlwaysOnTop(frame);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "toggleAlwaysOnTop(frame)";
              }
            }));
            menu.add(jMenuItem("Shoot Window", new Runnable() {

              public void run() {
                try {
                  shootWindowGUI_external(frame, 500);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "shootWindowGUI_external(frame, 500)";
              }
            }));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "bool alwaysOnTop = frame.isAlwaysOnTop();\r\n        menu.add(jmenuItem(\"Restar...";
        }
      });
  }

  public static <A extends Component> A _recordNewSwingComponent(A c) {
    if (c != null)
      callF(vm_generalMap_get("newSwingComponentRegistry"), c);
    return c;
  }

  public static JLabel jlabel(final String text) {
    return swingConstruct(BetterLabel.class, text);
  }

  public static JLabel jlabel() {
    return jlabel(" ");
  }

  public static Rectangle screenRectangle() {
    return new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
  }

  public static Random random_random = new Random();

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

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

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

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

  public static int random(int min, int max) {
    return min + random(max - min);
  }

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

  public static <A> A random(Collection<A> c) {
    if (c instanceof List)
      return random((List<A>) c);
    int i = random(l(c));
    return collectionGet(c, i);
  }

  public static void autoVMExit() {
    call(getJavaX(), "autoVMExit");
  }

  public static String className(Object o) {
    return getClassName(o);
  }

  public static boolean eqOneOf(Object o, Object... l) {
    for (Object x : l) if (eq(o, x))
      return true;
    return false;
  }

  public static List<VF1<Map>> _threadInfo_makers = synchroList();

  public static Object _threadInfo() {
    if (empty(_threadInfo_makers))
      return null;
    HashMap map = new HashMap();
    pcallFAll(_threadInfo_makers, map);
    return map;
  }

  public static List<VF1<Map>> _threadInheritInfo_retrievers = synchroList();

  public static void _threadInheritInfo(Object info) {
    if (info == null)
      return;
    pcallFAll(_threadInheritInfo_retrievers, (Map) info);
  }

  public static <A> A vm_generalMap_get(Object key) {
    return (A) vm_generalMap().get(key);
  }

  public static Object vm_generalMap_put(Object key, Object value) {
    return mapPutOrRemove(vm_generalMap(), key, value);
  }

  public static <A, B> Map<A, B> newWeakMap() {
    return newWeakHashMap();
  }

  public static <A> WeakReference<A> newWeakReference(A a) {
    return a == null ? null : new WeakReference(a);
  }

  public static Object callFunction(Object f, Object... args) {
    return callF(f, args);
  }

  public static volatile Object isAllowed_function;

  public static volatile boolean isAllowed_all = true;

  public static boolean isAllowed(String askingMethod, Object... args) {
    Object f = vm_generalMap_get("isAllowed_function");
    if (f != null && !isTrue(callF(f, askingMethod, args)))
      return false;
    return isAllowed_all || isTrue(callF(isAllowed_function, askingMethod, args));
  }

  public static long round(double d) {
    return Math.round(d);
  }

  public static String trim(String s) {
    return s == null ? null : s.trim();
  }

  public static String trim(StringBuilder buf) {
    return buf.toString().trim();
  }

  public static String trim(StringBuffer buf) {
    return buf.toString().trim();
  }

  public static File getProgramFile(String progID, String fileName) {
    if (new File(fileName).isAbsolute())
      return new File(fileName);
    return new File(getProgramDir(progID), fileName);
  }

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

  public static String hmsWithColons() {
    return hmsWithColons(now());
  }

  public static String hmsWithColons(long time) {
    return new SimpleDateFormat("HH:mm:ss").format(time);
  }

  public static String getComputerID_quick() {
    return computerID();
  }

  public static int gzInputStream_defaultBufferSize = 65536;

  public static GZIPInputStream gzInputStream(File f) {
    try {
      return gzInputStream(new FileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream gzInputStream(File f, int bufferSize) {
    try {
      return gzInputStream(new FileInputStream(f), bufferSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream gzInputStream(InputStream in) {
    return gzInputStream(in, gzInputStream_defaultBufferSize);
  }

  public static GZIPInputStream gzInputStream(InputStream in, int bufferSize) {
    try {
      return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

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

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

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

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

  public static byte[] toUtf8(String s) {
    try {
      return s.getBytes("UTF-8");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int parseInt(String s) {
    return empty(s) ? 0 : Integer.parseInt(s);
  }

  public static int parseInt(char c) {
    return Integer.parseInt(str(c));
  }

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

  public static long parseLong(Object s) {
    return Long.parseLong((String) s);
  }

  public static void clear(Collection c) {
    if (c != null)
      c.clear();
  }

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

  public static boolean isSubtypeOf(Class a, Class b) {
    return b.isAssignableFrom(a);
  }

  public static void printException(Throwable e) {
    printStackTrace(e);
  }

  public static <A> A assertNotNull(A a) {
    assertTrue(a != null);
    return a;
  }

  public static <A> A assertNotNull(String msg, A a) {
    assertTrue(msg, a != null);
    return a;
  }

  public static Map synchroHashMap() {
    return Collections.synchronizedMap(new HashMap());
  }

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

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

  public static List<String> getClassNames(Collection l) {
    List<String> out = new ArrayList();
    if (l != null)
      for (Object o : l) out.add(o == null ? null : getClassName(o));
    return out;
  }

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

  public static File userDir(String path) {
    return new File(userHome(), path);
  }

  public static File standardLogFile() {
    return getProgramFile("log");
  }

  public static void logQuoted(String logFile, String line) {
    logQuoted(getProgramFile(logFile), line);
  }

  public static void logQuoted(File logFile, String line) {
    appendToFile(logFile, quote(line) + "\n");
  }

  public static String formatGMTWithDate_24(long time) {
    return simpleDateFormat_GMT("yyyy/MM/dd").format(time) + " " + formatGMT_24(time);
  }

  public static long now_virtualTime;

  public static long now() {
    return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
  }

  public static Runnable asRunnable(Object o) {
    return toRunnable(o);
  }

  public static void _inheritThreadInfo(Object info) {
    _threadInheritInfo(info);
  }

  public static void enableWordWrapForTextArea(final JTextArea ta) {
    if (ta != null) {
      swing(new Runnable() {

        public void run() {
          try {
            ta.setLineWrap(true);
            ta.setWrapStyleWord(true);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ta.setLineWrap(true);\r\n    ta.setWrapStyleWord(true);";
        }
      });
    }
  }

  public static JTextArea jtextarea() {
    return jTextArea();
  }

  public static JTextArea jtextarea(String text) {
    return jTextArea(text);
  }

  public static JTextField onEnter(final JTextField tf, final Object action) {
    if (action == null || tf == null)
      return tf;
    tf.addActionListener(new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          tf.selectAll();
          callF(action);
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    });
    return tf;
  }

  public static JButton onEnter(JButton btn, final Object action) {
    if (action == null || btn == null)
      return btn;
    btn.addActionListener(actionListener(action));
    return btn;
  }

  public static JList onEnter(JList list, Object action) {
    list.addKeyListener(enterKeyListener(rCallOnSelectedListItem(list, action)));
    return list;
  }

  public static JComboBox onEnter(final JComboBox cb, final Object action) {
    JTextField text = (JTextField) cb.getEditor().getEditorComponent();
    onEnter(text, action);
    return cb;
  }

  public static JTable onEnter(final JTable table, final Object action) {
    table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "Enter");
    table.getActionMap().put("Enter", new AbstractAction() {

      public void actionPerformed(ActionEvent e) {
        callF(action, table.getSelectedRow());
      }
    });
    return table;
  }

  public static <A> A heldInstance(Class<A> c) {
    List<Object> l = holdInstance_l.get();
    for (int i = l(l) - 1; i >= 0; i--) {
      Object o = l.get(i);
      if (isInstanceOf(o, c))
        return (A) o;
    }
    throw fail("No instance of " + className(c) + " held");
  }

  public static ActionListener actionListener(final Object runnable) {
    return actionListener(runnable, null);
  }

  public static ActionListener actionListener(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    final Object info = _threadInfo();
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          _threadInheritInfo(info);
          AutoCloseable __787 = holdInstance(instanceToHold);
          try {
            callF(runnable);
          } finally {
            _close(__787);
          }
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

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

  public static List emptyList() {
    return new ArrayList();
  }

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

  public static List emptyList(Iterable l) {
    return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
  }

  public static Map emptyMap() {
    return new HashMap();
  }

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

  public static String muricaCredentialsQuery() {
    return htmlQuery(muricaCredentials());
  }

  public static boolean isGeneralFileServerSnippet(long id) {
    return id >= 1400000 && id < 1500000;
  }

  public static String standardCredentials_noCookies() {
    return standardCredentials() + "&noCookies=1";
  }

  public static String fsI(String id) {
    return formatSnippetID(id);
  }

  public static String fsI(long id) {
    return formatSnippetID(id);
  }

  public static char lastChar(String s) {
    return empty(s) ? '\0' : s.charAt(l(s) - 1);
  }

  public static Object[] mapToObjectArray(Map map) {
    List l = new ArrayList();
    for (Object o : keys(map)) {
      l.add(o);
      l.add(map.get(o));
    }
    return toObjectArray(l);
  }

  public static String htmlencode_forParams(String s) {
    if (s == null)
      return "";
    StringBuilder out = new StringBuilder(Math.max(16, s.length()));
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if (c > 127 || c == '"' || c == '<' || c == '>') {
        out.append("&#");
        out.append((int) c);
        out.append(';');
      } else
        out.append(c);
    }
    return out.toString();
  }

  public static String asString(Object o) {
    return o == null ? null : o.toString();
  }

  public static <A> ArrayList<A> litlist(A... a) {
    ArrayList l = new ArrayList(a.length);
    for (A x : a) l.add(x);
    return l;
  }

  public static void restart() {
    Object j = getJavaX();
    call(j, "cleanRestart", get(j, "fullArgs"));
  }

  public static void duplicateThisProgram() {
    nohupJavax(trim(programID() + " " + smartJoin((String[]) get(getJavaX(), "fullArgs"))));
  }

  public static ThreadLocal<List<Object>> holdInstance_l = new ThreadLocal();

  public static AutoCloseable holdInstance(Object o) {
    if (o == null)
      return null;
    listThreadLocalAdd(holdInstance_l, o);
    return new AutoCloseable() {

      public void close() {
        listThreadLocalPopLast(holdInstance_l);
      }
    };
  }

  public static <A, B> Map<A, B> weakHashMap() {
    return newWeakHashMap();
  }

  public static <A, B> List<A> keysList(Map<A, B> map) {
    return cloneListSynchronizingOn(keys(map), map);
  }

  public static File loadBinarySnippet(String snippetID) {
    try {
      long id = parseSnippetID(snippetID);
      File f = DiskSnippetCache_getLibrary(id);
      if (fileSize(f) == 0)
        f = loadDataSnippetToFile(snippetID);
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean loadBufferedImageFixingGIFs_debug;

  public static ThreadLocal<Var<byte[]>> loadBufferedImageFixingGIFs_output = new ThreadLocal();

  public static Image loadBufferedImageFixingGIFs(File file) {
    try {
      if (!file.exists())
        return null;
      if (!isGIF(file))
        return ImageIO.read(file);
      if (loadBufferedImageFixingGIFs_debug)
        print("loadBufferedImageFixingGIFs" + ": checking gif");
      ImageReader reader = ImageIO.getImageReadersByFormatName("gif").next();
      reader.setInput(ImageIO.createImageInputStream(file));
      int numImages = reader.getNumImages(true);
      IIOMetadata imageMetaData = reader.getImageMetadata(0);
      String metaFormatName = imageMetaData.getNativeMetadataFormatName();
      boolean foundBug = false;
      for (int i = 0; i < numImages && !foundBug; i++) {
        IIOMetadataNode root = (IIOMetadataNode) reader.getImageMetadata(i).getAsTree(metaFormatName);
        int nNodes = root.getLength();
        for (int j = 0; j < nNodes; j++) {
          org.w3c.dom.Node node = root.item(j);
          if (node.getNodeName().equalsIgnoreCase("GraphicControlExtension")) {
            String delay = ((IIOMetadataNode) node).getAttribute("delayTime");
            if (Integer.parseInt(delay) == 0) {
              foundBug = true;
            }
            break;
          }
        }
      }
      if (loadBufferedImageFixingGIFs_debug)
        print("loadBufferedImageFixingGIFs" + ": " + f2s(file) + " foundBug=" + foundBug);
      Image image;
      if (!foundBug) {
        image = Toolkit.getDefaultToolkit().createImage(f2s(file));
      } else {
        ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
        {
          ImageOutputStream ios = ImageIO.createImageOutputStream(baoStream);
          try {
            ImageWriter writer = ImageIO.getImageWriter(reader);
            writer.setOutput(ios);
            writer.prepareWriteSequence(null);
            for (int i = 0; i < numImages; i++) {
              BufferedImage frameIn = reader.read(i);
              IIOMetadataNode root = (IIOMetadataNode) reader.getImageMetadata(i).getAsTree(metaFormatName);
              int nNodes = root.getLength();
              for (int j = 0; j < nNodes; j++) {
                org.w3c.dom.Node node = root.item(j);
                if (node.getNodeName().equalsIgnoreCase("GraphicControlExtension")) {
                  String delay = ((IIOMetadataNode) node).getAttribute("delayTime");
                  if (Integer.parseInt(delay) == 0) {
                    ((IIOMetadataNode) node).setAttribute("delayTime", "10");
                  }
                  break;
                }
              }
              IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(frameIn), null);
              metadata.setFromTree(metadata.getNativeMetadataFormatName(), root);
              IIOImage frameOut = new IIOImage(frameIn, null, metadata);
              writer.writeToSequence(frameOut, writer.getDefaultWriteParam());
            }
            writer.endWriteSequence();
          } finally {
            _close(ios);
          }
        }
        byte[] data = baoStream.toByteArray();
        setVar(loadBufferedImageFixingGIFs_output.get(), data);
        if (loadBufferedImageFixingGIFs_debug)
          print("Data size: " + l(data));
        image = Toolkit.getDefaultToolkit().createImage(data);
      }
      return image;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isSubstanceLAF() {
    return substanceLookAndFeelEnabled();
  }

  public static void titlePopupMenu(final Component c, final Object menuMaker) {
    JComponent titleBar = getTitlePaneComponent(getPossiblyInternalFrame(c));
    if (titleBar == null)
      print("Can't add title right click!");
    else
      componentPopupMenu(titleBar, menuMaker);
  }

  public static boolean jmenuItem_newThreads;

  public static JMenuItem jmenuItem(final String text) {
    return jMenuItem(text, null);
  }

  public static JMenuItem jmenuItem(final String text, final Object r) {
    return swing(new F0<JMenuItem>() {

      public JMenuItem get() {
        try {
          Pair<String, Integer> p = jmenu_autoMnemonic(text);
          JMenuItem mi = new JMenuItem(p.a);
          if (p.b != 0)
            mi.setMnemonic(p.b);
          mi.addActionListener(jmenuItem_newThreads ? actionListenerInNewThread(r) : actionListener(r));
          return mi;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Pair<S, Int> p = jmenu_autoMnemonic(text);\r\n    JMenuItem mi = new JMenuItem(...";
      }
    });
  }

  public static JCheckBoxMenuItem jCheckBoxMenuItem(String text, boolean checked, final Object r) {
    JCheckBoxMenuItem mi = new JCheckBoxMenuItem(text, checked);
    mi.addActionListener(actionListener(r));
    return mi;
  }

  public static void toggleAlwaysOnTop(JFrame frame) {
    frame.setAlwaysOnTop(!frame.isAlwaysOnTop());
  }

  public static JMenuItem jMenuItem(final String text) {
    return jmenuItem(text);
  }

  public static JMenuItem jMenuItem(String text, Object r) {
    return jmenuItem(text, r);
  }

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

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

  public static <A> A swingConstruct(final Class<A> c, final Object... args) {
    return swing(new F0<A>() {

      public A get() {
        try {
          return nuObject(c, args);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "nuObject(c, args)";
      }
    });
  }

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

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

  public static String oneOf(String... l) {
    return oneOf(asList(l));
  }

  public static <A> A collectionGet(Collection<A> c, int idx) {
    if (c == null || idx < 0 || idx >= l(c))
      return null;
    if (c instanceof List)
      return listGet((List<A>) c, idx);
    Iterator<A> it = c.iterator();
    for (int i = 0; i < idx; i++) if (it.hasNext())
      it.next();
    else
      return null;
    return it.hasNext() ? it.next() : null;
  }

  public static void pcallFAll(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) pcallF(f, args);
  }

  public static Map vm_generalMap_map;

  public static Map vm_generalMap() {
    if (vm_generalMap_map == null)
      vm_generalMap_map = (Map) get(javax(), "generalMap");
    return vm_generalMap_map;
  }

  public static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
    if (map != null && key != null)
      if (value != null)
        return map.put(key, value);
      else
        return map.remove(key);
    return null;
  }

  public static File getProgramDir() {
    return programDir();
  }

  public static File getProgramDir(String snippetID) {
    return programDir(snippetID);
  }

  public static String _computerID;

  public static Lock computerID_lock = lock();

  public static String computerID() {
    if (_computerID == null) {
      Lock __885 = computerID_lock;
      lock(__885);
      try {
        if (_computerID != null)
          return _computerID;
        File file = computerIDFile();
        _computerID = loadTextFile(file.getPath());
        if (_computerID == null) {
          _computerID = loadTextFile(userDir(".tinybrain/computer-id"));
          if (_computerID == null)
            _computerID = makeRandomID(12);
          saveTextFile(file, _computerID);
        }
      } finally {
        unlock(__885);
      }
    }
    return _computerID;
  }

  public static <A> A _registerIOWrap(A wrapper, Object wrapped) {
    return wrapper;
  }

  public static String dropSuffix(String suffix, String s) {
    return s.endsWith(suffix) ? s.substring(0, l(s) - l(suffix)) : s;
  }

  public static void assertTrue(Object o) {
    if (!(eq(o, true)))
      throw fail(str(o));
  }

  public static boolean assertTrue(String msg, boolean b) {
    if (!b)
      throw fail(msg);
    return b;
  }

  public static boolean assertTrue(boolean b) {
    if (!b)
      throw fail("oops");
    return b;
  }

  public static Lock appendToFile_lock = lock();

  public static boolean appendToFile_keepOpen;

  public static HashMap<String, Writer> appendToFile_writers = new HashMap();

  public static void appendToFile(String path, String s) {
    try {
      Lock __889 = appendToFile_lock;
      lock(__889);
      try {
        mkdirsForFile(new File(path));
        path = getCanonicalPath(path);
        Writer writer = appendToFile_writers.get(path);
        if (writer == null) {
          writer = new BufferedWriter(new OutputStreamWriter(newFileOutputStream(path, true), "UTF-8"));
          if (appendToFile_keepOpen)
            appendToFile_writers.put(path, writer);
        }
        writer.write(s);
        if (!appendToFile_keepOpen)
          writer.close();
      } finally {
        unlock(__889);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void appendToFile(File path, String s) {
    if (path != null)
      appendToFile(path.getPath(), s);
  }

  public static void cleanMeUp_appendToFile() {
    Lock __891 = appendToFile_lock;
    lock(__891);
    try {
      closeAllWriters(values(appendToFile_writers));
      appendToFile_writers.clear();
    } finally {
      unlock(__891);
    }
  }

  public static SimpleDateFormat simpleDateFormat_GMT(String format) {
    SimpleDateFormat sdf = new SimpleDateFormat(format);
    sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
    return sdf;
  }

  public static String formatGMT_24(long time) {
    SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
    sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
    return sdf.format(time) + " GMT";
  }

  public static JTextArea jTextArea() {
    return jTextArea("");
  }

  public static JTextArea jTextArea(final String text) {
    return swingNu(JTextArea.class, text);
  }

  public static void messageBox(final String msg) {
    if (headless())
      print(msg);
    else {
      swing(new Runnable() {

        public void run() {
          try {
            JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES...";
        }
      });
    }
  }

  public static void messageBox(Throwable e) {
    printStackTrace(e);
    messageBox(hideCredentials(innerException(e)));
  }

  public static KeyListener enterKeyListener(final Object action) {
    return new KeyAdapter() {

      public void keyReleased(KeyEvent ke) {
        if (ke.getKeyCode() == KeyEvent.VK_ENTER)
          pcallF(action);
      }
    };
  }

  public static Runnable rCallOnSelectedListItem(final JList list, final Object action) {
    return new Runnable() {

      public void run() {
        try {
          pcallF(action, getSelectedItem(list));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcallF(action, getSelectedItem(list))";
      }
    };
  }

  public static boolean isInstanceOf(Object o, Class type) {
    return type.isInstance(o);
  }

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

  public static int max(int a, int b, int c) {
    return max(max(a, b), c);
  }

  public static long max(int a, long b) {
    return Math.max((long) a, b);
  }

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

  public static double max(int a, double b) {
    return Math.max((double) a, b);
  }

  public static float max(float a, float b) {
    return Math.max(a, b);
  }

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

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

  public 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;
  }

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

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

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

  public static int max(int[] c) {
    int x = Integer.MIN_VALUE;
    for (int d : c) if (d > x)
      x = d;
    return x;
  }

  public static String htmlQuery(Map params) {
    return params.isEmpty() ? "" : "?" + makePostData(params);
  }

  public static String htmlQuery(Object... data) {
    return htmlQuery(litmap(data));
  }

  public static Object[] muricaCredentials() {
    String pass = muricaPassword();
    return nempty(pass) ? new Object[] { "_pass", pass } : new Object[0];
  }

  public static String standardCredentials() {
    String user = standardCredentialsUser();
    String pass = standardCredentialsPass();
    if (nempty(user) && nempty(pass))
      return "&_user=" + urlencode(user) + "&_pass=" + urlencode(pass);
    return "";
  }

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

  public static void nohupJavax(final String javaxargs) {
    {
      Thread _t_0 = new Thread() {

        public void run() {
          try {
            call(hotwireOnce("#1008562"), "nohupJavax", javaxargs);
          } catch (Throwable __e) {
            _handleException(__e);
          }
        }
      };
      startThread(_t_0);
    }
  }

  public static void nohupJavax(final String javaxargs, final String vmArgs) {
    {
      Thread _t_1 = new Thread() {

        public void run() {
          try {
            call(hotwireOnce("#1008562"), "nohupJavax", javaxargs, vmArgs);
          } catch (Throwable __e) {
            _handleException(__e);
          }
        }
      };
      startThread(_t_1);
    }
  }

  public static <A> void listThreadLocalAdd(ThreadLocal<List<A>> tl, A a) {
    List<A> l = tl.get();
    if (l == null)
      tl.set(l = new ArrayList());
    l.add(a);
  }

  public static <A> A listThreadLocalPopLast(ThreadLocal<List<A>> tl) {
    List<A> l = tl.get();
    if (l == null)
      return null;
    A a = popLast(l);
    if (empty(l))
      tl.set(null);
    return a;
  }

  public static <A> ArrayList<A> cloneListSynchronizingOn(Collection<A> l, Object mutex) {
    if (l == null)
      return new ArrayList();
    synchronized (mutex) {
      return new ArrayList<A>(l);
    }
  }

  public static File DiskSnippetCache_file(long snippetID) {
    return new File(getGlobalCache(), "data_" + snippetID + ".jar");
  }

  public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
    File file = DiskSnippetCache_file(snippetID);
    return file.exists() ? file : null;
  }

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

  public static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
    byte[] data;
    try {
      URL url = new URL(dataSnippetLink(snippetID));
      print("Loading library: " + hideCredentials(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));
        print("Loading library: " + hideCredentials(url));
        data = loadBinaryPage(url.openConnection());
      }
      print("Bytes loaded: " + data.length);
    } catch (FileNotFoundException e) {
      throw new IOException("Binary snippet #" + snippetID + " not found or not public");
    }
    return data;
  }

  public static long fileSize(String path) {
    return getFileSize(path);
  }

  public static long fileSize(File f) {
    return getFileSize(f);
  }

  public static File loadDataSnippetToFile(String snippetID) {
    try {
      snippetID = fsI(snippetID);
      File f = DiskSnippetCache_file(parseSnippetID(snippetID));
      List<URL> urlsTried = new ArrayList();
      List<Throwable> errors = new ArrayList();
      try {
        URL url = addAndReturn(urlsTried, new URL(dataSnippetLink(snippetID)));
        print("Loading library: " + hideCredentials(url));
        try {
          loadBinaryPageToFile(openConnection(url), f);
          if (fileSize(f) == 0)
            throw fail();
        } catch (Throwable e) {
          errors.add(e);
          url = addAndReturn(urlsTried, new URL("http://data.tinybrain.de/blobs/" + psI(snippetID)));
          print("Trying other server: " + hideCredentials(url));
          loadBinaryPageToFile(openConnection(url), f);
          print("Got bytes: " + fileSize(f));
        }
        if (fileSize(f) == 0)
          throw fail();
        System.err.println("Bytes loaded: " + fileSize(f));
      } catch (Throwable e) {
        printStackTrace(e);
        errors.add(e);
        throw fail("Binary snippet " + snippetID + " not found or not public. URLs tried: " + allToString(urlsTried) + ", errors: " + allToString(errors));
      }
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] isGIF_magic = bytesFromHex("47494638");

  public static boolean isGIF(byte[] data) {
    return byteArrayStartsWith(data, isGIF_magic);
  }

  public static boolean isGIF(File f) {
    return isGIF(loadBeginningOfBinaryFile(f, l(isGIF_magic)));
  }

  public static String f2s(File f) {
    return f == null ? null : f.getAbsolutePath();
  }

  public static String f2s(java.nio.file.Path p) {
    return p == null ? null : f2s(p.toFile());
  }

  public static <A> void setVar(Var<A> v, A value) {
    if (v != null)
      v.set(value);
  }

  public static boolean substanceLookAndFeelEnabled() {
    return startsWith(getLookAndFeel(), "org.pushingpixels.");
  }

  public static JComponent getTitlePaneComponent(RootPaneContainer window) {
    if (window instanceof JInternalFrame)
      return getInternalFrameTitlePaneComponent((JInternalFrame) window);
    if (!substanceLookAndFeelEnabled() || window == null)
      return null;
    JRootPane rootPane = window.getRootPane();
    if (rootPane != null) {
      Object ui = rootPane.getUI();
      return (JComponent) call(ui, "getTitlePane");
    }
    return null;
  }

  public static RootPaneContainer getPossiblyInternalFrame(Component c) {
    JInternalFrame f = getInternalFrame(c);
    if (f != null)
      return f;
    return optCast(RootPaneContainer.class, getWindow(c));
  }

  public static Map<JComponent, List> componentPopupMenu_map;

  public static ThreadLocal<MouseEvent> componentPopupMenu_mouseEvent;

  public static void componentPopupMenu_init() {
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (componentPopupMenu_map == null)
              componentPopupMenu_map = or((Map<JComponent, List>) getOpt(creator(), "componentPopupMenu_map"), (Map<JComponent, List>) (Map) newWeakHashMap());
            if (componentPopupMenu_mouseEvent == null)
              componentPopupMenu_mouseEvent = or((ThreadLocal<MouseEvent>) getOpt(creator(), "componentPopupMenu_mouseEvent"), new ThreadLocal());
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (componentPopupMenu_map == null)\r\n      componentPopupMenu_map = or((Map<J...";
        }
      });
    }
  }

  public static void componentPopupMenu(final JComponent component, final Object menuMaker) {
    componentPopupMenu_init();
    if (component != null && menuMaker != null) {
      swing(new Runnable() {

        public void run() {
          try {
            List maker = componentPopupMenu_map.get(component);
            if (maker == null) {
              componentPopupMenu_map.put(component, maker = new ArrayList());
              component.addMouseListener(new componentPopupMenu_Adapter(maker));
            }
            maker.add(menuMaker);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "List maker = componentPopupMenu_map.get(component);\r\n    if (maker == null) {...";
        }
      });
    }
  }

  public static class componentPopupMenu_Adapter extends MouseAdapter {

    public List maker;

    public componentPopupMenu_Adapter(List maker) {
      this.maker = maker;
    }

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

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

    public void displayMenu(MouseEvent e) {
      if (e.isPopupTrigger())
        displayMenu2(e);
    }

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

  public static Pair<String, Integer> jmenu_autoMnemonic(String s) {
    int i = indexOf(s, '&');
    if (i >= 0 && i < l(s) && isLetterOrDigit(s.charAt(i + 1)))
      return pair(substring(s, 0, i) + substring(s, i + 1), (int) s.charAt(i + 1));
    return pair(s, 0);
  }

  public static ActionListener actionListenerInNewThread(final Object runnable) {
    return actionListenerInNewThread(runnable, null);
  }

  public static ActionListener actionListenerInNewThread(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          {
            Thread _t_0 = new Thread("Action Listener") {

              public void run() {
                try {
                  AutoCloseable __984 = holdInstance(instanceToHold);
                  try {
                    callF(runnable);
                  } finally {
                    _close(__984);
                  }
                } catch (Throwable __e) {
                  _handleException(__e);
                }
              }
            };
            startThread(_t_0);
          }
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static Class hotwireOnce(String programID) {
    return hotwireCached(programID, false);
  }

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

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

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

  public static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

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

  public static File programDir_mine;

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

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

  public static File programDir(String snippetID, String subPath) {
    return new File(programDir(snippetID), subPath);
  }

  public static File computerIDFile() {
    return javaxDataDir("Basic Info/computer-id.txt");
  }

  public 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);
  }

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

  public static File saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
      return fileName;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File mkdirsForFile(File file) {
    File dir = file.getParentFile();
    if (dir != null) {
      dir.mkdirs();
      if (!dir.isDirectory())
        if (dir.isFile())
          throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
        else
          throw fail("Unknown IO exception during mkdirs of " + f2s(file));
    }
    return file;
  }

  public static String mkdirsForFile(String path) {
    mkdirsForFile(new File(path));
    return path;
  }

  public static String getCanonicalPath(String path) {
    try {
      return new File(path).getCanonicalPath();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static FileOutputStream newFileOutputStream(File path) throws IOException {
    return newFileOutputStream(path.getPath());
  }

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

  public static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException {
    return newFileOutputStream(path.getPath(), append);
  }

  public static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
    mkdirsForFile(path);
    FileOutputStream f = new FileOutputStream(path, append);
    _registerIO(f, path, true);
    return f;
  }

  public static void closeAllWriters(Collection<? extends Writer> l) {
    for (Writer w : unnull(l)) try {
      w.close();
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static <A, B> Collection<B> values(Map<A, B> map) {
    return map == null ? emptyList() : map.values();
  }

  public static <A> A swingNu(final Class<A> c, final Object... args) {
    return swingConstruct(c, args);
  }

  public static Throwable innerException(Throwable e) {
    return getInnerException(e);
  }

  public static String getSelectedItem(JList l) {
    return (String) l.getSelectedValue();
  }

  public static String getSelectedItem(JComboBox cb) {
    return strOrNull(cb.getSelectedItem());
  }

  public static String makePostData(Map<Object, Object> map) {
    List<String> l = new ArrayList();
    for (Map.Entry<Object, Object> e : map.entrySet()) {
      String key = (String) (e.getKey());
      Object val = e.getValue();
      if (val != null) {
        String value = str(val);
        l.add(urlencode(key) + "=" + urlencode((value)));
      }
    }
    return join("&", l);
  }

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

  public static HashMap litmap(Object... x) {
    HashMap map = new HashMap();
    litmap_impl(map, x);
    return map;
  }

  public 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]);
  }

  public static volatile boolean muricaPassword_pretendNotAuthed;

  public static String muricaPassword() {
    if (muricaPassword_pretendNotAuthed)
      return null;
    return trim(loadTextFile(muricaPasswordFile()));
  }

  public static String standardCredentialsUser() {
    return trim(loadTextFile(new File(userHome(), ".tinybrain/username")));
  }

  public static String standardCredentialsPass() {
    return trim(loadTextFile(new File(userHome(), ".tinybrain/userpass")));
  }

  public static String urlencode(String x) {
    try {
      return URLEncoder.encode(unnull(x), "UTF-8");
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e);
    }
  }

  public static <A> A popLast(List<A> l) {
    return liftLast(l);
  }

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

  public static void saveBinaryFile(String fileName, byte[] contents) throws IOException {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    FileOutputStream fileOutputStream = newFileOutputStream(tempFileName);
    fileOutputStream.write(contents);
    fileOutputStream.close();
    if (file.exists() && !file.delete())
      throw new IOException("Can't delete " + fileName);
    if (!new File(tempFileName).renameTo(file))
      throw new IOException("Can't rename " + tempFileName + " to " + fileName);
  }

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

  public static String dataSnippetLink(String snippetID) {
    long id = parseSnippetID(snippetID);
    if (id >= 1100000 && id < 1200000)
      return "http://ai1.space/images/raw/" + id;
    if (id >= 1400000 && id < 1500000)
      return "http://butter.botcompany.de:8080/files/" + id + "?_pass=" + muricaPassword();
    if (id >= 1200000 && id < 1300000) {
      String pw = muricaPassword();
      if (empty(pw))
        throw fail("Please set 'murica password by running #1008829");
      return "http://butter.botcompany.de:8080/1008823/raw/" + id + "?_pass=" + pw;
    } else
      return "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id + "&contentType=application/binary";
  }

  public static ThreadLocal<Map<String, List<String>>> loadBinaryPage_responseHeaders = new ThreadLocal();

  public static ThreadLocal<Map<String, String>> loadBinaryPage_extraHeaders = new ThreadLocal();

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

  public static byte[] loadBinaryPage(URLConnection con) {
    try {
      Map<String, String> extraHeaders = getAndClearThreadLocal(loadBinaryPage_extraHeaders);
      setHeaders(con);
      for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key));
      return loadBinaryPage_noHeaders(con);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

  public static long getFileSize(File f) {
    return f == null ? 0 : f.length();
  }

  public static <B, A extends B> A addAndReturn(Collection<B> c, A a) {
    if (c != null)
      c.add(a);
    return a;
  }

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

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

  public static void loadBinaryPageToFile_noHeaders(URLConnection con, File file) {
    try {
      File ftemp = new File(f2s(file) + "_temp");
      FileOutputStream buf = newFileOutputStream(mkdirsFor(ftemp));
      try {
        InputStream inputStream = con.getInputStream();
        long len = 0;
        try {
          len = con.getContentLength();
        } catch (Throwable e) {
          printStackTrace(e);
        }
        String pat = "  {*}" + (len != 0 ? "/" + len : "") + " bytes loaded.";
        copyStreamWithPrints(inputStream, buf, pat);
        inputStream.close();
        buf.close();
        file.delete();
        renameFile_assertTrue(ftemp, file);
      } finally {
        if (buf != null)
          buf.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> allToString(Collection c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static List<String> allToString(Object[] c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static byte[] bytesFromHex(String s) {
    return hexToBytes(s);
  }

  public static boolean byteArrayStartsWith(byte[] a, byte[] b) {
    if (a == null || b == null)
      return false;
    if (a.length < b.length)
      return false;
    for (int i = 0; i < b.length; i++) if (a[i] != b[i])
      return false;
    return true;
  }

  public static byte[] loadBeginningOfBinaryFile(File file, int maxBytes) {
    return loadBinaryFilePart(file, 0, maxBytes);
  }

  public static String getLookAndFeel() {
    return getClassName(UIManager.getLookAndFeel());
  }

  public static JComponent getInternalFrameTitlePaneComponent(JInternalFrame f) {
    return (JComponent) childWithClassNameEndingWith(f, "InternalFrameTitlePane");
  }

  public static JInternalFrame getInternalFrame(final Object _o) {
    return swing(new F0<JInternalFrame>() {

      public JInternalFrame get() {
        try {
          Object o = _o;
          if (o instanceof ButtonGroup)
            o = first(buttonsInGroup((ButtonGroup) o));
          if (!(o instanceof Component))
            return null;
          Component c = (Component) o;
          while (c != null) {
            if (c instanceof JInternalFrame)
              return (JInternalFrame) c;
            c = c.getParent();
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button...";
      }
    });
  }

  public static <A> A optCast(Class<A> c, Object o) {
    return isInstance(c, o) ? (A) o : null;
  }

  public static boolean isLetterOrDigit(char c) {
    return Character.isLetterOrDigit(c);
  }

  public static TreeMap<String, Class> hotwireCached_cache = new TreeMap();

  public static Lock hotwireCached_lock = lock();

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

  public static Class hotwireCached(String programID, boolean runMain) {
    return hotwireCached(programID, runMain, false);
  }

  public static Class hotwireCached(String programID, boolean runMain, boolean dependent) {
    Lock __1067 = hotwireCached_lock;
    lock(__1067);
    try {
      programID = formatSnippetID(programID);
      Class c = hotwireCached_cache.get(programID);
      if (c == null) {
        c = hotwire(programID);
        if (dependent)
          makeDependent(c);
        if (runMain)
          callMain(c);
        hotwireCached_cache.put(programID, c);
      }
      return c;
    } finally {
      unlock(__1067);
    }
  }

  public static Map<String, Class> classForName_cache = synchroHashMap();

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

  public static Map<Class, Constructor> nuObjectWithoutArguments_cache = newDangerousWeakHashMap();

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

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

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

  public static List<Class> getClasses(Object[] array) {
    List<Class> l = new ArrayList();
    for (Object o : array) l.add(_getClass(o));
    return l;
  }

  public static boolean sameSnippetID(String a, String b) {
    if (!isSnippetID(a) || !isSnippetID(b))
      return false;
    return parseSnippetID(a) == parseSnippetID(b);
  }

  public static volatile String caseID_caseID;

  public static String caseID() {
    return caseID_caseID;
  }

  public static void caseID(String id) {
    caseID_caseID = id;
  }

  public static List<CriticalAction> beginCriticalAction_inFlight = synchroList();

  public static class CriticalAction {

    public String description;

    public CriticalAction() {
    }

    public CriticalAction(String description) {
      this.description = description;
    }

    public void done() {
      beginCriticalAction_inFlight.remove(this);
    }
  }

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

  public static void cleanMeUp_beginCriticalAction() {
    int n = 0;
    while (nempty(beginCriticalAction_inFlight)) {
      int m = l(beginCriticalAction_inFlight);
      if (m != n) {
        n = m;
        try {
          print("Waiting for " + n2(n, "critical actions") + ": " + join(", ", collect(beginCriticalAction_inFlight, "description")));
        } catch (Throwable __e) {
          _handleException(__e);
        }
      }
      sleepInCleanUp(10);
    }
  }

  public static void copyFile(File src, File dest) {
    try {
      FileInputStream inputStream = new FileInputStream(src.getPath());
      FileOutputStream outputStream = newFileOutputStream(dest.getPath());
      try {
        copyStream(inputStream, outputStream);
        inputStream.close();
      } finally {
        outputStream.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void _registerIO(Object object, String path, boolean opened) {
  }

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

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

  public static String strOrNull(Object o) {
    return o == null ? null : str(o);
  }

  public static LinkedHashMap litorderedmap(Object... x) {
    LinkedHashMap map = new LinkedHashMap();
    litmap_impl(map, x);
    return map;
  }

  public static File muricaPasswordFile() {
    return new File(javaxSecretDir(), "murica/muricaPasswordFile");
  }

  public static <A> A liftLast(List<A> l) {
    if (l.isEmpty())
      return null;
    int i = l(l) - 1;
    A a = l.get(i);
    l.remove(i);
    return a;
  }

  public static File javaxCachesDir_dir;

  public static File javaxCachesDir() {
    return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
  }

  public static File javaxCachesDir(String sub) {
    return newFile(javaxCachesDir(), sub);
  }

  public static <A> A println(A a) {
    return print(a);
  }

  public static File mkdirsFor(File file) {
    return mkdirsForFile(file);
  }

  public static void copyStreamWithPrints(InputStream in, OutputStream out, String pat) {
    try {
      byte[] buf = new byte[65536];
      int total = 0;
      while (true) {
        int n = in.read(buf);
        if (n <= 0)
          return;
        out.write(buf, 0, n);
        if ((total + n) / 100000 > total / 100000)
          print(pat.replace("{*}", str(roundDownTo(total, 100000))));
        total += n;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void renameFile_assertTrue(File a, File b) {
    try {
      if (!a.exists())
        throw fail("Source file not found: " + f2s(a));
      if (b.exists())
        throw fail("Target file exists: " + f2s(b));
      mkdirsForFile(b);
      if (!a.renameTo(b))
        throw fail("Can't rename " + f2s(a) + " to " + f2s(b));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] hexToBytes(String s) {
    if (odd(l(s)))
      throw fail("Hex string has odd length: " + quote(shorten(10, s)));
    int n = l(s) / 2;
    byte[] bytes = new byte[n];
    for (int i = 0; i < n; i++) {
      int a = parseHexChar(s.charAt(i * 2));
      int b = parseHexChar(s.charAt(i * 2 + 1));
      if (a < 0 || b < 0)
        throw fail("Bad hex byte: " + quote(substring(s, i * 2, i * 2 + 2)) + " at " + i * 2 + "/" + l(s));
      bytes[i] = (byte) ((a << 4) | b);
    }
    return bytes;
  }

  public static byte[] loadBinaryFilePart(File file, long start, long end) {
    try {
      RandomAccessFile raf = new RandomAccessFile(file, "r");
      int n = toInt(min(raf.length(), end - start));
      byte[] buffer = new byte[n];
      try {
        raf.seek(start);
        raf.readFully(buffer, 0, n);
        return buffer;
      } finally {
        raf.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Component childWithClassNameEndingWith(Component c, String suffix) {
    if (endsWith(className(c), suffix))
      return c;
    Component x;
    for (Component comp : getComponents(c)) if ((x = childWithClassNameEndingWith(comp, suffix)) != null)
      return x;
    return null;
  }

  public static boolean isInstance(Class type, Object arg) {
    return type.isInstance(arg);
  }

  public static Class<?> hotwire(String src) {
    assertFalse(_inCore());
    Class j = getJavaX();
    if (isAndroid()) {
      synchronized (j) {
        List<File> libraries = new ArrayList<File>();
        File srcDir = (File) call(j, "transpileMain", src, libraries);
        if (srcDir == null)
          throw fail("transpileMain returned null (src=" + quote(src) + ")");
        Object androidContext = get(j, "androidContext");
        return (Class) call(j, "loadx2android", srcDir, src);
      }
    } else {
      Class c = (Class) (call(j, "hotwire", src));
      hotwire_copyOver(c);
      return c;
    }
  }

  public static void makeDependent(Object c) {
    if (c == null)
      return;
    assertTrue("Not a class", c instanceof Class);
    dependentClasses();
    hotwire_classes.add(new WeakReference(c));
    Object local_log = getOpt(mc(), "local_log");
    if (local_log != null)
      setOpt(c, "local_log", local_log);
    Object print_byThread = getOpt(mc(), "print_byThread");
    if (print_byThread != null)
      setOpt(c, "print_byThread", print_byThread);
  }

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

  public static void callMain() {
    callMain(mc());
  }

  public static Class<?> _getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

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

  public static Class _getClass(Object realm, String name) {
    try {
      return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String n2(long l) {
    return formatWithThousands(l);
  }

  public static String n2(Collection l) {
    return n2(l(l));
  }

  public static String n2(long l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(long l, String singular) {
    return n_fancy2(l, singular, singular + "s");
  }

  public static String n2(Collection l, String singular) {
    return n2(l(l), singular);
  }

  public static String n2(Collection l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(Map m, String singular, String plural) {
    return n_fancy2(m, singular, plural);
  }

  public static String n2(Map m, String singular) {
    return n2(l(m), singular);
  }

  public static String n2(Object[] a, String singular) {
    return n2(l(a), singular);
  }

  public static String n2(Object[] a, String singular, String plural) {
    return n_fancy2(a, singular, plural);
  }

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

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

  public static void sleepInCleanUp(long ms) {
    try {
      if (ms < 0)
        return;
      Thread.sleep(ms);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  public static File javaxSecretDir_dir;

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

  public static File javaxSecretDir(String sub) {
    return newFile(javaxSecretDir(), sub);
  }

  public static int roundDownTo(int x, int n) {
    return x / n * n;
  }

  public static long roundDownTo(long x, long n) {
    return x / n * n;
  }

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

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

  public static boolean odd(BigInteger i) {
    return odd(toInt(i));
  }

  public static int shorten_default = 100;

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

  public static String shorten(String s, int max) {
    return shorten(s, max, "...");
  }

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

  public static String shorten(int max, String s) {
    return shorten(s, max);
  }

  public static int parseHexChar(char c) {
    if (c >= '0' && c <= '9')
      return charDiff(c, '0');
    if (c >= 'a' && c <= 'f')
      return charDiff(c, 'a') + 10;
    if (c >= 'A' && c <= 'F')
      return charDiff(c, 'A') + 10;
    return -1;
  }

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

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

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

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

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

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

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

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

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

  public static int min(int[] c) {
    int x = Integer.MAX_VALUE;
    for (int d : c) if (d < x)
      x = d;
    return x;
  }

  public static List<Component> getComponents(final Component c) {
    return !(c instanceof Container) ? emptyList() : asList(swing(new F0<Component[]>() {

      public Component[] get() {
        try {
          return ((Container) c).getComponents();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "((Container) c).getComponents()";
      }
    }));
  }

  public static boolean _inCore() {
    return false;
  }

  public static List hotwire_copyOver_after = synchroList();

  public static void hotwire_copyOver(Class c) {
    for (String field : ll("print_log", "print_silent", "androidContext", "_userHome")) setOptIfNotNull(c, field, getOpt(mc(), field));
    setOptIfNotNull(c, "mainBot", getMainBot());
    setOpt(c, "creator_class", new WeakReference(mc()));
    pcallFAll(hotwire_copyOver_after, c);
  }

  public static List<Class> dependentClasses() {
    return cleanUpAndGetWeakReferencesList(hotwire_classes);
  }

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

  public static void setOpt(Object o, String field, Object value) {
    try {
      if (o == null)
        return;
      Class c = o.getClass();
      HashMap<String, Field> map;
      if (getOpt_cache == null)
        map = getOpt_makeCache(c);
      else
        synchronized (getOpt_cache) {
          map = getOpt_cache.get(c);
          if (map == null)
            map = getOpt_makeCache(c);
        }
      if (map == getOpt_special) {
        if (o instanceof Class) {
          setOpt((Class) o, field, value);
          return;
        }
        setOpt_raw(o, field, value);
        return;
      }
      Field f = map.get(field);
      if (f != null)
        smartSet(f, o, value);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void setOpt(Class c, String field, Object value) {
    if (c == null)
      return;
    try {
      Field f = setOpt_findStaticField(c, field);
      if (f != null)
        smartSet(f, null, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

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

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

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

  public static Class getClass(Object realm, String name) {
    try {
      try {
        return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
      } catch (ClassNotFoundException e) {
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String classNameToVM(String name) {
    return name.replace(".", "$");
  }

  public static String formatWithThousands(long l) {
    return formatWithThousandsSeparator(l);
  }

  public static String n_fancy2(long l, String singular, String plural) {
    return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural);
  }

  public static String n_fancy2(Collection l, String singular, String plural) {
    return n_fancy2(l(l), singular, plural);
  }

  public static String n_fancy2(Map m, String singular, String plural) {
    return n_fancy2(l(m), singular, plural);
  }

  public static String n_fancy2(Object[] a, String singular, String plural) {
    return n_fancy2(l(a), singular, plural);
  }

  public static List collectField(Collection c, String field) {
    List l = new ArrayList();
    if (c != null)
      for (Object a : c) l.add(getOpt(a, field));
    return l;
  }

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

  public static List<WeakReference<Class>> hotwire_classes = synchroList();

  public static Class<?> hotwireDependent(String src) {
    Class c = hotwire(src);
    makeDependent(c);
    return c;
  }

  public static int charDiff(char a, char b) {
    return (int) a - (int) b;
  }

  public static int charDiff(String a, char b) {
    return charDiff(stringToChar(a), b);
  }

  public static void setOptIfNotNull(Object o, String field, Object value) {
    if (value != null)
      setOpt(o, field, value);
  }

  public static Object mainBot;

  public static Object getMainBot() {
    return mainBot;
  }

  public static <A> List<A> cleanUpAndGetWeakReferencesList(List<WeakReference<A>> l) {
    synchronized (l) {
      List<A> out = new ArrayList();
      for (int i = 0; i < l(l); i++) {
        A a = l.get(i).get();
        if (a == null)
          l.remove(i--);
        else
          out.add(a);
      }
      return out;
    }
  }

  public static void setOpt_raw(Object o, String field, Object value) {
    try {
      if (o == null)
        return;
      if (o instanceof Class)
        setOpt_raw((Class) o, field, value);
      else {
        Field f = setOpt_raw_findField(o.getClass(), field);
        if (f != null) {
          f.setAccessible(true);
          smartSet(f, o, value);
        }
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void setOpt_raw(Class c, String field, Object value) {
    try {
      if (c == null)
        return;
      Field f = setOpt_raw_findStaticField(c, field);
      if (f != null) {
        f.setAccessible(true);
        smartSet(f, null, value);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  public static Field setOpt_raw_findField(Class<?> c, String field) {
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field))
        return f;
      _c = _c.getSuperclass();
    } while (_c != null);
    return null;
  }

  public static void smartSet(Field f, Object o, Object value) throws Exception {
    try {
      f.set(o, value);
    } catch (Exception e) {
      Class type = f.getType();
      if (type == int.class && value instanceof Long)
        value = ((Long) value).intValue();
      if (type == LinkedHashMap.class && value instanceof Map) {
        f.set(o, asLinkedHashMap((Map) value));
        return;
      }
      throw e;
    }
  }

  public static String formatWithThousandsSeparator(long l) {
    return NumberFormat.getInstance(new Locale("en_US")).format(l);
  }

  public static char stringToChar(String s) {
    if (l(s) != 1)
      throw fail("bad stringToChar: " + s);
    return firstChar(s);
  }

  public static <A, B> LinkedHashMap<A, B> asLinkedHashMap(Map<A, B> map) {
    if (map instanceof LinkedHashMap)
      return (LinkedHashMap) map;
    LinkedHashMap<A, B> m = new LinkedHashMap();
    if (map != null)
      synchronized (collectionMutex(map)) {
        m.putAll(map);
      }
    return m;
  }

  public static char firstChar(String s) {
    return s.charAt(0);
  }

  public static class DerivedMechLists extends VirtualMechLists {

    public SimpleMechLists a = new SimpleMechLists();

    public VirtualMechLists b = new DefaultMechLists();

    public String mL_raw(String listName) {
      String text = a.mL_raw(listName);
      if (text != null)
        return text;
      return b.mL_raw(listName);
    }

    public void append(String listName, String text) {
      a.append(listName, text);
    }

    public void setText(String listName, String text) {
      a.setText(listName, text);
    }
  }

  public abstract static class VF1<A> {

    public abstract void get(A a);
  }

  public static class BetterLabel extends JLabel {

    public boolean autoToolTip = true;

    public BetterLabel() {
      final WeakReference<BetterLabel> me = new WeakReference(this);
      componentPopupMenu(this, BetterLabel_menuItems(me));
    }

    public BetterLabel(String text) {
      this();
      this.setText(text);
    }

    public void setText(String text) {
      super.setText(text);
      if (autoToolTip)
        if (!swic(text, "<html>"))
          setToolTipText(nullIfEmpty(text));
    }
  }

  public static VF1<JPopupMenu> BetterLabel_menuItems(final WeakReference<BetterLabel> me) {
    return new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, "Copy text to clipboard", new Runnable() {

            public void run() {
              try {
                copyTextToClipboard(me.get().getText());
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "copyTextToClipboard(me.get().getText());";
            }
          });
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, \"Copy text to clipboard\", r {\r\n      copyTextToClipboard(me...";
      }
    };
  }

  public static class MRUCache<A, B> extends LinkedHashMap<A, B> {

    public int maxSize = 10;

    public MRUCache() {
    }

    public MRUCache(int maxSize) {
      this.maxSize = maxSize;
    }

    public boolean removeEldestEntry(Map.Entry eldest) {
      return size() > maxSize;
    }
  }

  public static class BakedBot {

    public VirtualMechLists lists = new SimpleMechLists();

    public Class bot;

    public BakedBot(VirtualMechLists lists) {
      this.lists = lists;
      _init();
    }

    public BakedBot() {
      _init();
    }

    public void _init() {
      bot = hotwireDependentSharingClasses("#1017706", VirtualMechLists.class);
      setOpt(bot, "mechLibID", null);
      setLists(lists);
      runMain(bot);
    }

    public String answer(String s) {
      return callAnswerMethod(bot, s);
    }

    public String check(String input, String expectedOutput) {
      return assertEqualsVerbose_match(expectedOutput, answer(print("> ", input)));
    }

    public boolean pcheck(String input, String expectedOutput) {
      try {
        check(input, expectedOutput);
        return true;
      } catch (Throwable __e) {
        print(exceptionToStringShort(__e));
      }
      return false;
    }

    public boolean pcheckOrPrintLog(String input, String expectedOutput) {
      if (pcheck(input, expectedOutput))
        return true;
      {
        printLines((List<String>) getOpt(getBot("TelegramFactsBot"), "checkingLog"));
        return false;
      }
    }

    public void setList(String name, String text) {
      lists.setText(name, text);
    }

    public String getList(String name) {
      return lists.mL_raw(name);
    }

    public void setAuthorized(boolean b) {
      setOpt(bot, "authorized", b);
    }

    public String answerAuthed(String s) {
      final boolean authedOld = isTrue(getOpt(bot, "authorized"));
      setAuthorized(true);
      tempAfterwards(new Runnable() {

        public void run() {
          try {
            setAuthorized(authedOld);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "setAuthorized(authedOld);";
        }
      });
      return answer(s);
    }

    public void setLists(VirtualMechLists lists) {
      this.lists = lists;
      setAll(callOpt(bot, "mechMode"), "readMode", lists, "writeMode", lists);
    }

    public Object getBot(String shortClassName) {
      return firstWithShortClassName((List) get(bot, "bots"), shortClassName);
    }
  }

  public static class Var<A> implements IVar<A> {

    public A v;

    public Var() {
    }

    public Var(A v) {
      this.v = v;
    }

    public synchronized void set(A a) {
      if (v != a) {
        v = a;
        notifyAll();
      }
    }

    public synchronized A get() {
      return v;
    }

    public synchronized boolean has() {
      return v != null;
    }

    public synchronized void clear() {
      v = null;
    }

    public String toString() {
      return str(get());
    }
  }

  public static class PersistableThrowable {

    public String className;

    public String msg;

    public String stacktrace;

    public PersistableThrowable() {
    }

    public PersistableThrowable(Throwable e) {
      if (e == null)
        className = "Crazy Null Error";
      else {
        className = getClassName(e).replace('/', '.');
        msg = e.getMessage();
        stacktrace = getStackTrace_noRecord(e);
      }
    }

    public String toString() {
      return nempty(msg) ? className + ": " + msg : className;
    }
  }

  public abstract static class F0<A> {

    public abstract A get();
  }

  public static class Pair<A, B> implements Comparable<Pair<A, B>> {

    public A a;

    public B b;

    public Pair() {
    }

    public Pair(A a, B b) {
      this.b = b;
      this.a = a;
    }

    public int hashCode() {
      return hashCodeFor(a) + 2 * hashCodeFor(b);
    }

    public boolean equals(Object o) {
      if (o == this)
        return true;
      if (!(o instanceof Pair))
        return false;
      Pair t = (Pair) o;
      return eq(a, t.a) && eq(b, t.b);
    }

    public String toString() {
      return "<" + a + ", " + b + ">";
    }

    public int compareTo(Pair<A, B> p) {
      if (p == null)
        return 1;
      int i = ((Comparable<A>) a).compareTo(p.a);
      if (i != 0)
        return i;
      return ((Comparable<B>) b).compareTo(p.b);
    }
  }

  public static class DefaultMechLists extends VirtualMechLists {

    public String mL_raw(String listName) {
      return main.mL_raw(listName);
    }

    public void append(String listName, String text) {
      botAppendToMechList(listName, text);
    }

    public void setText(String listName, String text) {
      botEditMechList(listName, text);
    }
  }

  public static class SimpleMechLists extends VirtualMechLists {

    public Map<String, String> lists = syncCIMap();

    public boolean verbose;

    public String mL_raw(String listName) {
      if (verbose)
        print("List requested: " + listName);
      return lists.get(listName);
    }

    public void append(String listName, String text) {
      if (verbose)
        print("Appending to " + listName);
      lists.put(listName, appendNewLineIfNempty(lists.get(listName)) + text);
    }

    public void setText(String listName, String text) {
      if (verbose)
        print("Replacing: " + listName);
      lists.put(listName, text);
    }
  }

  public static interface IVar<A> {

    public void set(A a);

    public A get();

    public boolean has();

    public void clear();
  }

  public abstract static class VirtualMechLists {

    public abstract String mL_raw(String listName);

    public void append(String listName, String text) {
    }

    public void setText(String listName, String text) {
    }
  }

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

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

  public static <A extends JComponent> A setToolTipText(final A c, final Object toolTip) {
    if (c == null)
      return null;
    {
      swing(new Runnable() {

        public void run() {
          try {
            String s = nullIfEmpty(str(toolTip));
            if (neq(s, c.getToolTipText()))
              c.setToolTipText(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "String s = nullIfEmpty(str(toolTip));\r\n    if (neq(s, c.getToolTipText()))\r\n ...";
        }
      });
    }
    return c;
  }

  public static <A extends JComponent> A setToolTipText(Object toolTip, A c) {
    return setToolTipText(c, toolTip);
  }

  public static String nullIfEmpty(String s) {
    return isEmpty(s) ? null : s;
  }

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

  public static <A> List<A> nullIfEmpty(List<A> l) {
    return isEmpty(l) ? null : l;
  }

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

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

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

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

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

  public static String copyTextToClipboard(String text) {
    StringSelection selection = new StringSelection(text);
    Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
    return text;
  }

  public static Class<?> hotwireDependentSharingClasses(String progID, Class... classesToShare) {
    Class c = hotwireSharingClasses(progID, classesToShare);
    makeDependent(c);
    return c;
  }

  public static void runMain(Object c, String... args) {
    callMain(c, args);
  }

  public static void runMain() {
    callMain();
  }

  public static int callAnswerMethod_version;

  public static String callAnswerMethod(String s) {
    if (callAnswerMethod_version == 0)
      if (hasMethod(mc(), "answer", "", new ArrayList()))
        callAnswerMethod_version = 1;
      else if (hasMethod(mc(), "answer", ""))
        callAnswerMethod_version = 2;
      else
        callAnswerMethod_version = -1;
    if (callAnswerMethod_version == 1)
      return (String) callMC("answer", s, emptyList());
    else if (callAnswerMethod_version == 2)
      return (String) callMC("answer", s);
    return null;
  }

  public static String callAnswerMethod(Object responder, String s) {
    return callAnswerMethod(responder, s, litlist(s));
  }

  public static String callAnswerMethod(Object responder, String s, List<String> history) {
    String answer = (String) callOpt(responder, "answer", s, history);
    if (answer == null)
      answer = (String) callOpt(responder, "answer", s);
    return emptyToNull(answer);
  }

  public static String assertEqualsVerbose_match(String x, String y) {
    assertEqualsVerbose_match((String) null, x, y);
    return y;
  }

  public static String assertEqualsVerbose_match(String msg, String x, String y) {
    if (!match(x, y)) {
      throw fail((msg != null ? msg + ": " : "") + quote(y) + " != " + quote(x));
    } else
      print("OK: " + quote(x));
    return y;
  }

  public static void printLines(Collection c) {
    for (Object o : unnull(c)) print(o);
  }

  public static Object getBot(String botID) {
    return callOpt(getMainBot(), "getBot", botID);
  }

  public static AutoCloseable tempAfterwards(final Object r) {
    return new AutoCloseable() {

      public void close() {
        callF(r);
      }
    };
  }

  public static void setAll(Object o, Map<String, Object> fields) {
    if (fields == null)
      return;
    for (String field : keys(fields)) set(o, field, fields.get(field));
  }

  public static void setAll(Object o, Object... values) {
    failIfOddCount(values);
    for (int i = 0; i + 1 < l(values); i += 2) {
      String field = (String) values[i];
      Object value = values[i + 1];
      set(o, field, value);
    }
  }

  public static Object firstWithShortClassName(Iterable l, String name) {
    for (Object o : unnull(l)) if (shortClassNameIs(o, name))
      return o;
    return null;
  }

  public static int hashCodeFor(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static String mL_raw(String name) {
    return mechList_raw(name);
  }

  public static String botAppendToMechList(String name, String text) {
    return botAppendToMechList_now(name, text);
  }

  public static String botEditMechList(String name, String text) {
    try {
      Object writeMode = mechMode().writeMode;
      if (writeMode instanceof VirtualMechLists) {
        ((VirtualMechLists) writeMode).setText(name, text);
        return name + ": Changed";
      }
      if (mechPlaying()) {
        if (eq(mechList_raw(name), text))
          return "No change";
        print("Setting mech list " + name + ":");
        printIndent(text);
        return "Would change";
      }
      String answer = postPageSilently("http://butter.botcompany.de:8080/mech/raw/bot-list-edit", arrayPlus(muricaCredentials(), "name", name, "text", text));
      print(name + ": " + answer);
      return answer;
    } finally {
      mechList_clearCache(name);
    }
  }

  public static String botEditMechList(String name, List<String> lines) {
    return botEditMechList(name, lines(lines));
  }

  public static <A> Map<String, A> syncCIMap() {
    return (Map) synchroMap(caseInsensitiveMap());
  }

  public static String appendNewLineIfNempty(String s) {
    return empty(s) ? "" : s + "\n";
  }

  public static boolean startsWithIgnoreCase(String a, String b) {
    return regionMatchesIC(a, 0, b, 0, b.length());
  }

  public static MenuItem menuItem(String text, final Object r) {
    MenuItem mi = new MenuItem(text);
    mi.addActionListener(actionListener(r));
    return mi;
  }

  public static Class<?> hotwireSharingClasses(String progID, Class... classesToShare) {
    try {
      Pair<File, String> p = CompilerBot.compileSnippet2(progID);
      File jar = p.a;
      assertTrue(f2s(jar), jar.isFile());
      List<File> files = ll(jar);
      String dehlibs = unnull(loadTextFileFromZip(jar, "libraries"));
      List<File> myLibraries = myLibraryFiles();
      Matcher matcher = Pattern.compile("\\d+").matcher(dehlibs);
      while (matcher.find()) files.add(loadLibrary(matcher.group()));
      JavaXClassLoaderWithParent2 classLoader = new JavaXClassLoaderWithParent2(progID, files, myClassLoader(), map("className", classesToShare));
      return hotwire_finish(classLoader, progID, p.b);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean hasMethod(Object o, String method, Object... args) {
    return findMethod(o, method, args) != null;
  }

  public static String emptyToNull(String s) {
    return eq(s, "") ? null : s;
  }

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

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

  public static void set(Object o, String field, Object value) {
    if (o instanceof Class)
      set((Class) o, field, value);
    else
      try {
        Field f = set_findField(o.getClass(), field);
        f.setAccessible(true);
        smartSet(f, o, value);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
  }

  public static void set(Class c, String field, Object value) {
    try {
      Field f = set_findStaticField(c, field);
      f.setAccessible(true);
      smartSet(f, null, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

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

  public 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());
  }

  public static void failIfOddCount(Object... list) {
    if (odd(l(list)))
      throw fail("Odd list size: " + list);
  }

  public static boolean shortClassNameIs(Object o, String name) {
    return eq(shortClassName(o), name);
  }

  public static ExpiringMap2<String, String> mechList_raw_cache = new ExpiringMap2(10000).setMap(ciMap());

  public static Lock mechList_raw_lock = lock();

  public static int mechList_raw_timeout = 60000;

  public static String mechList_raw(String name) {
    try {
      Lock __37 = mechList_raw_lock;
      lock(__37);
      try {
        String src = mechList_raw_cache.get(name);
        if (src != null)
          return src;
        AutoCloseable __38 = tempSetThreadLocal(loadPage_forcedTimeout_byThread, mechList_raw_timeout);
        try {
          src = mechList_raw_fresh(name);
          if (src != null)
            mechList_raw_cache.put(name, src);
          return src;
        } finally {
          _close(__38);
        }
      } finally {
        unlock(__37);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String botAppendToMechList_now(String name, String text) {
    return botAppendToMechList_mode(name, text, "noUniq");
  }

  public static MechMode mechMode_value = new MechMode();

  public static MechMode mechMode() {
    return mechMode_value;
  }

  public static boolean mechPlaying() {
    return mechPlay_on();
  }

  public static <A> A printIndent(A o) {
    print(indentx(str(o)));
    return o;
  }

  public static void printIndent(String indent, Object o) {
    print(indentx(indent, str(o)));
  }

  public static void printIndent(int indent, Object o) {
    print(indentx(indent, str(o)));
  }

  public static String postPageSilently(String url, Object... params) {
    return doPostSilently(litmap(params), url);
  }

  public static Object[] arrayPlus(Object[] a1, Object... a2) {
    return concatArrays(a1, a2);
  }

  public static void mechList_clearCache(String listName) {
    for (String field : mcFields()) if (startsWithEndsWith(field, "mech", "_cache")) {
      Object o = getOptMC(field);
      if (o instanceof Map)
        removeFromMapCI_sync((Map) o, listName);
    }
    if (mechList_goToCreator())
      callCreatorOpt("mechList_clearCache", listName);
  }

  public static String lines(Collection lines) {
    return fromLines(lines);
  }

  public static List<String> lines(String s) {
    return toLines(s);
  }

  public static <A> TreeMap<String, A> caseInsensitiveMap() {
    return new TreeMap(caseInsensitiveComparator());
  }

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

  public static String loadTextFileFromZip(File inZip, String fileName) {
    return loadTextFileFromZipFile(inZip, fileName);
  }

  public static List<File> myLibraryFiles() {
    return (List<File>) get(myClassLoader(), "files");
  }

  public static File loadLibrary(String snippetID) {
    return loadBinarySnippet(snippetID);
  }

  public static ClassLoader myClassLoader() {
    return _getClass(mc()).getClassLoader();
  }

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

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

  public static List map(Object f, Object[] l) {
    return map(f, asList(l));
  }

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

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

  public static List map(Map map, Object f) {
    List x = new ArrayList();
    if (map != null)
      for (Object _e : map.entrySet()) {
        Map.Entry e = (Map.Entry) _e;
        x.add(callF(f, e.getKey(), e.getValue()));
      }
    return x;
  }

  public static Class hotwire_finish(ClassLoader classLoader, String progID, String javaSource) {
    try {
      Class<?> theClass = classLoader.loadClass("main");
      Class j = getJavaX();
      setOpt(theClass, "myJavaSource_code", javaSource);
      synchronized (j) {
        call(j, "setVars", theClass, progID);
        callOpt(j, "addInstance", progID, theClass);
      }
      hotwire_copyOver(theClass);
      return theClass;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Method findMethod(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Method m = findMethod_static((Class) o, method, args, false);
        if (m == null)
          return null;
        m.setAccessible(true);
        return m;
      } else {
        Method m = findMethod_instance(o, method, args, false);
        if (m == null)
          return null;
        m.setAccessible(true);
        return m;
      }
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static Method findMethod_static(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 || !findMethod_checkArgs(m, args, debug))
          continue;
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  public static Method findMethod_instance(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) && findMethod_checkArgs(m, args, debug))
          return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

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

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

  public static boolean match3(String pat, String s, Matches matches) {
    if (pat == null || s == null)
      return false;
    return match3(pat, parse3_cachedInput(s), matches);
  }

  public static boolean match3(String pat, List<String> toks, Matches matches) {
    List<String> tokpat = parse3_cachedPattern(pat);
    return match3(tokpat, toks, matches);
  }

  public static boolean match3(List<String> tokpat, List<String> toks, Matches matches) {
    String[] m = match2(tokpat, toks);
    if (m == null)
      return false;
    if (matches != null)
      matches.m = m;
    return true;
  }

  public static String shortClassName(Object o) {
    if (o == null)
      return null;
    Class c = o instanceof Class ? (Class) o : o.getClass();
    String name = c.getName();
    return shortenClassName(name);
  }

  public static <A> TreeMap<String, A> ciMap() {
    return caseInsensitiveMap();
  }

  public static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
    final A prev = setThreadLocal(tl, a);
    return new AutoCloseable() {

      public void close() {
        tl.set(prev);
      }
    };
  }

  public static String mechList_raw_fresh(String name) {
    return mechList_opt_raw_fresh(name);
  }

  public static String botAppendToMechList_mode(String name, String text, String mode) {
    if (empty(name) || empty(text))
      return "";
    Object writeMode = mechMode().writeMode;
    if (writeMode instanceof VirtualMechLists) {
      if (eq(mode, "uniqCI"))
        text = lines(listMinusSet(tlft(text), asCISet(tlft(((VirtualMechLists) writeMode).mL_raw(name)))));
      if (empty(text))
        return "No change";
      print("Adding to mech list " + name + ":");
      printIndent(text);
      ((VirtualMechLists) writeMode).append(name, text);
      mechList_clearCache(name);
      return name + ": Changed";
    }
    String result = postPageSilently("http://butter.botcompany.de:8080/mech/raw/bot-list-append", arrayPlus(muricaCredentials(), "name", name, "text", text, "mode", mode));
    if (!swic(result, "No change")) {
      if (eq(mechMode().readMode, "localCopies")) {
        print("Appending to local list copy: " + name);
        appendToLocalMechListCopy(name, text);
      }
      mechList_clearCache(name);
    }
    return result;
  }

  public static String botAppendToMechList_mode(String name, Collection<String> lines, String mode) {
    if (empty(lines))
      return "";
    return botAppendToMechList_mode(name, lines(lines), mode);
  }

  public static boolean mechPlay_on;

  public static boolean mechPlay_on() {
    return mechPlay_on;
  }

  public static String indentx(String s) {
    return indentx(indent_default, s);
  }

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

  public static String indentx(String indent, String s) {
    return dropSuffix(indent, indent(indent, s));
  }

  public static String doPostSilently(Map urlParameters, String url) {
    return doPostSilently(makePostData(urlParameters), url);
  }

  public static String doPostSilently(String urlParameters, String url) {
    doPost_silently.set(true);
    return doPost(urlParameters, url);
  }

  public static Object[] concatArrays(Object[]... arrays) {
    int l = 0;
    for (Object[] a : arrays) l += l(a);
    Object[] x = new Object[l];
    int i = 0;
    for (Object[] a : arrays) if (a != null) {
      System.arraycopy(a, 0, x, i, l(a));
      i += l(a);
    }
    return x;
  }

  public static Set<String> mcFields() {
    return staticFieldNames(mc());
  }

  public static boolean startsWithEndsWith(String s, String prefix, String suffix) {
    return startsWith(s, prefix) && endsWith(s, suffix);
  }

  public static Object getOptMC(String field) {
    return getOpt(mc(), field);
  }

  public static void removeFromMapCI_sync(Map<String, Object> map, String key) {
    if (map == null)
      return;
    synchronized (getMutex(map)) {
      for (String k : cloneList(keys(map))) if (eqic(key, k))
        map.remove(k);
    }
  }

  public static boolean mechList_goToCreator_dont;

  public static boolean mechList_goToCreator() {
    return eqOneOf(mechMode().readMode, null, "creator") && !mechList_goToCreator_dont && hasMethodNamed(creator(), "mechList_opt_raw");
  }

  public static <A> A callCreatorOpt(String functionName, Object... args) {
    return (A) callOpt(creator(), functionName, args);
  }

  public static String fromLines(Collection lines) {
    StringBuilder buf = new StringBuilder();
    if (lines != null)
      for (Object line : lines) buf.append(str(line)).append('\n');
    return buf.toString();
  }

  public static String fromLines(String... lines) {
    return fromLines(asList(lines));
  }

  public static IterableIterator<String> toLines(File f) {
    return linesFromFile(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;
  }

  public 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;
  }

  public static Comparator<String> caseInsensitiveComparator() {
    return betterCIComparator();
  }

  public static String loadTextFileFromZipFile(File inZip, String fileName) {
    try {
      if (!fileExists(inZip))
        return null;
      ZipFile zip = new ZipFile(inZip);
      try {
        return loadTextFileFromZipFile(zip, fileName);
      } finally {
        zip.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFileFromZipFile(ZipFile zip, String fileName) {
    try {
      ZipEntry entry = zip.getEntry(fileName);
      if (entry == null)
        return null;
      InputStream fin = zip.getInputStream(entry);
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      copyStream(fin, baos);
      fin.close();
      return fromUTF8(baos.toByteArray());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<String, List<String>> parse3_cachedInput_cache = synchronizedMRUCache(100);

  public static synchronized List<String> parse3_cachedInput(String s) {
    List<String> tok = parse3_cachedInput_cache.get(s);
    if (tok == null)
      parse3_cachedInput_cache.put(s, tok = parse3(s));
    return tok;
  }

  public static Map<String, List<String>> parse3_cachedPattern_cache = synchronizedMRUCache(100);

  public static synchronized List<String> parse3_cachedPattern(String s) {
    List<String> tok = parse3_cachedPattern_cache.get(s);
    if (tok == null)
      parse3_cachedPattern_cache.put(s, tok = parse3(s));
    return tok;
  }

  public static String[] match2(List<String> pat, List<String> tok) {
    int i = pat.indexOf("...");
    if (i < 0)
      return match2_match(pat, tok);
    pat = new ArrayList<String>(pat);
    pat.set(i, "*");
    while (pat.size() < tok.size()) {
      pat.add(i, "*");
      pat.add(i + 1, "");
    }
    return match2_match(pat, tok);
  }

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

  public static String shortenClassName(String name) {
    if (name == null)
      return null;
    int i = lastIndexOf(name, "$");
    if (i < 0)
      i = lastIndexOf(name, ".");
    return i < 0 ? name : substring(name, i + 1);
  }

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

  public static String mechList_opt_raw_fresh(String name) {
    Object readMode = mechMode().readMode;
    if (readMode instanceof File) {
      String md5Name = uniqueFileNameUsingMD5_80_v2(upper(name));
      return loadTextFileFromZipFile((File) readMode, md5Name);
    } else if (readMode instanceof VirtualMechLists)
      return ((VirtualMechLists) readMode).mL_raw(name);
    boolean useLocal = false, useRemote = true;
    if (eq(readMode, "mergeLocalAndRemote"))
      useLocal = true;
    else if (eq(readMode, "local")) {
      useLocal = true;
      useRemote = false;
    }
    String s = "";
    if (useRemote) {
      if (eq(mechMode().readMode, "localCopies"))
        s = unnull(loadTextFile(remoteMechListMirrorFile(name)));
      else
        s = serverMechList_raw_fresh(name, true);
    }
    if (useLocal)
      s = appendNewLineIfNempty(s) + localMechList_opt_raw_fresh(name);
    return s;
  }

  public static <A, B extends A> List<A> listMinusSet(Collection<A> l, Collection<B> stuff) {
    if (empty(stuff))
      return asList(l);
    Set<B> set = asSet(stuff);
    List<A> l2 = new ArrayList();
    for (A a : l) if (!set.contains(a))
      l2.add(a);
    return l2;
  }

  public static List<String> tlft(String s) {
    return toLinesFullTrim(s);
  }

  public static List<String> tlft(File f) {
    return toLinesFullTrim(f);
  }

  public static TreeSet<String> asCISet(Collection<String> c) {
    return toCaseInsensitiveSet(c);
  }

  public static TreeSet<String> asCISet(String... x) {
    return toCaseInsensitiveSet(x);
  }

  public static void appendToLocalMechListCopy(String listName, String text) {
    appendToTextFile(remoteMechListMirrorFile(listName), "\n" + text);
  }

  public static String repeat(char c, int n) {
    n = Math.max(n, 0);
    char[] chars = new char[n];
    for (int i = 0; i < n; i++) chars[i] = c;
    return new String(chars);
  }

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

  public static <A> List<A> repeat(int n, A a) {
    return repeat(a, n);
  }

  public static int indent_default = 2;

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

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

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

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

  public static List<String> indent(String indent, List<String> lines) {
    List<String> l = new ArrayList();
    for (String s : lines) l.add(indent + s);
    return l;
  }

  public static ThreadLocal<Boolean> doPost_silently = new ThreadLocal();

  public static ThreadLocal<Long> doPost_timeout = new ThreadLocal();

  public static String doPost(Map urlParameters, String url) {
    return doPost(makePostData(urlParameters), url);
  }

  public static String doPost(String urlParameters, String url) {
    try {
      URL _url = new URL(url);
      ping();
      return doPost(urlParameters, _url.openConnection(), _url);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String doPost(String urlParameters, URLConnection conn, URL url) {
    try {
      boolean silently = isTrue(optParam(doPost_silently));
      Long timeout = optParam(doPost_timeout);
      setHeaders(conn);
      int l = lUtf8(urlParameters);
      if (!silently)
        print("Sending POST request: " + hideCredentials(url) + " (" + l + " bytes)");
      if (timeout != null)
        setURLConnectionTimeouts(conn, timeout);
      ((HttpURLConnection) conn).setRequestMethod("POST");
      conn.setDoOutput(true);
      conn.setRequestProperty("Content-Length", str(l));
      OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
      writer.write(urlParameters);
      writer.flush();
      loadPage_charset.set("UTF-8");
      String contents = loadPage(conn, url, false);
      writer.close();
      return contents;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Set<String> staticFieldNames(Object o) {
    TreeSet<String> fields = new TreeSet();
    Class _c = _getClass(o);
    do {
      for (Field f : _c.getDeclaredFields()) if ((f.getModifiers() & Modifier.STATIC) != 0)
        fields.add(f.getName());
      _c = _c.getSuperclass();
    } while (_c != null);
    return fields;
  }

  public static Object getMutex(Object o) {
    return collectionMutex(o);
  }

  public static boolean hasMethodNamed(Object obj, String method) {
    if (obj == null)
      return false;
    if (obj instanceof Class)
      return hasMethodNamed((Class) obj, method);
    return hasMethodNamed(obj.getClass(), method);
  }

  public static boolean hasMethodNamed(Class c, String method) {
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method))
        return true;
      c = c.getSuperclass();
    }
    return false;
  }

  public static CloseableIterableIterator<String> linesFromFile(File f) {
    try {
      if (!f.exists())
        return emptyCloseableIterableIterator();
      if (ewic(f.getName(), ".gz"))
        return linesFromReader(utf8bufferedReader(newGZIPInputStream(f)));
      return linesFromReader(utf8bufferedReader(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static betterCIComparator_C betterCIComparator_instance;

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

  public static class betterCIComparator_C implements Comparator<String> {

    public int compare(String s1, String s2) {
      if (s1 == null)
        return s2 == null ? 0 : -1;
      if (s2 == null)
        return 1;
      int n1 = s1.length();
      int n2 = s2.length();
      int min = Math.min(n1, n2);
      for (int i = 0; i < min; i++) {
        char c1 = s1.charAt(i);
        char c2 = s2.charAt(i);
        if (c1 != c2) {
          c1 = Character.toUpperCase(c1);
          c2 = Character.toUpperCase(c2);
          if (c1 != c2) {
            c1 = Character.toLowerCase(c1);
            c2 = Character.toLowerCase(c2);
            if (c1 != c2) {
              return c1 - c2;
            }
          }
        }
      }
      return n1 - n2;
    }
  }

  public static boolean fileExists(String path) {
    return path != null && new File(path).exists();
  }

  public static boolean fileExists(File f) {
    return f != null && f.exists();
  }

  public static String fromUTF8(byte[] bytes) {
    return fromUtf8(bytes);
  }

  public static <A, B> Map<A, B> synchronizedMRUCache(int maxSize) {
    return synchroMap(new MRUCache(maxSize));
  }

  public static List<String> parse3(String s) {
    return dropPunctuation(javaTokPlusPeriod(s));
  }

  public static boolean equalsIgnoreCase(String a, String b) {
    return eqic(a, b);
  }

  public static boolean equalsIgnoreCase(char a, char b) {
    return eqic(a, b);
  }

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

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

  public static String uniqueFileNameUsingMD5_80_v2(String fullName) {
    return takeFirst(80 - 33, fileNameEncode(fullName)) + " - " + md5(fullName);
  }

  public static String upper(String s) {
    return s == null ? null : s.toUpperCase();
  }

  public static File remoteMechListMirrorFile(String listName) {
    return newFile(remoteMechListMirrorsDir(), uniqueFileNameUsingMD5_80_v2(upper(listName)));
  }

  public static boolean serverMechList_raw_fresh_verbose;

  public static String serverMechList_raw_fresh(String name) {
    return serverMechList_raw_fresh(name, false);
  }

  public static String serverMechList_raw_fresh(String name, boolean opt) {
    Lock __509 = downloadLock();
    lock(__509);
    try {
      if (serverMechList_raw_fresh_verbose)
        print("serverMechList_raw_fresh " + name);
      String text = null;
      try {
        text = loadTextFile(remoteMechListMirrorFile(name));
      } catch (Throwable __e) {
        _handleException(__e);
      }
      Object[] params = muricaCredentialsPlus("md5", md5OrNull(text), "l", l(text), "opt", opt ? 1 : 0, "withStatus", 1);
      String url = "http://butter.botcompany.de:8080/mech/raw/list-text/" + urlencode(name);
      String page = postPageSilently(url, params);
      Map map = jsonDecodeMap(page);
      boolean same = eq(map.get("Same"), true);
      boolean appended = eq(map.get("Appended"), true);
      if (serverMechList_raw_fresh_verbose)
        print("Mech list " + name + ": " + (appended ? "appended" : same ? "same" : "downloaded"));
      saveTextFile(remoteMechListMirrorMetaFile(name), struct(getMultipleKeys(map, "Name", "Status")));
      if (same)
        return text;
      if (appended)
        text += (String) map.get("Text");
      else
        text = (String) map.get("Text");
      saveTextFile(remoteMechListMirrorFile(name), text);
      File nameFile = remoteMechListMirrorNameFile(name);
      if (!fileExists(nameFile)) {
        String actualName = or((String) map.get("Name"), name);
        saveTextFile(nameFile, actualName);
      }
      return text;
    } finally {
      unlock(__509);
    }
  }

  public static String localMechList_opt_raw_fresh(String name) {
    return unnull(loadTextFile(localMechListFile(name)));
  }

  public static Set asSet(Object[] array) {
    HashSet set = new HashSet();
    for (Object o : array) if (o != null)
      set.add(o);
    return set;
  }

  public static Set<String> asSet(String[] array) {
    TreeSet<String> set = new TreeSet();
    for (String o : array) if (o != null)
      set.add(o);
    return set;
  }

  public static <A> Set<A> asSet(Iterable<A> l) {
    if (l instanceof Set)
      return (Set) l;
    HashSet<A> set = new HashSet();
    for (A o : unnull(l)) if (o != null)
      set.add(o);
    return set;
  }

  public static List<String> toLinesFullTrim(String s) {
    List<String> l = new ArrayList();
    for (String line : toLines(s)) if (nempty(line = trim(line)))
      l.add(line);
    return l;
  }

  public static List<String> toLinesFullTrim(File f) {
    List<String> l = new ArrayList();
    for (String line : linesFromFile(f)) if (nempty(line = trim(line)))
      l.add(line);
    return l;
  }

  public static TreeSet<String> toCaseInsensitiveSet(Collection<String> c) {
    TreeSet<String> set = caseInsensitiveSet();
    if (c != null)
      set.addAll(c);
    return set;
  }

  public static TreeSet<String> toCaseInsensitiveSet(String... x) {
    TreeSet<String> set = caseInsensitiveSet();
    addAll(set, x);
    return set;
  }

  public static void appendToTextFile(File file, String contents) {
    try {
      File parentFile = file.getParentFile();
      if (parentFile != null)
        parentFile.mkdirs();
      if (contents != null) {
        FileOutputStream fileOutputStream = new FileOutputStream(file, true);
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
        PrintWriter printWriter = new PrintWriter(outputStreamWriter);
        printWriter.print(contents);
        printWriter.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int lUtf8(String s) {
    return l(utf8(s));
  }

  public static CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() {

    public Object next() {
      throw fail();
    }

    public boolean hasNext() {
      return false;
    }
  };

  public static <A> CloseableIterableIterator<A> emptyCloseableIterableIterator() {
    return emptyCloseableIterableIterator_instance;
  }

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

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

  public static CloseableIterableIterator<String> linesFromReader(Reader r) {
    final BufferedReader br = bufferedReader(r);
    return iteratorFromFunction_f0_autoCloseable(new F0<String>() {

      public String get() {
        try {
          return readLineFromReaderWithClose(br);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "readLineFromReaderWithClose(br)";
      }
    }, _wrapIOCloseable(r));
  }

  public static BufferedReader utf8bufferedReader(InputStream in) {
    try {
      return bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static BufferedReader utf8bufferedReader(File f) {
    try {
      return utf8bufferedReader(newFileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> dropPunctuation_keep = litlist("*", "<", ">");

  public 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;
  }

  public static String dropPunctuation(String s) {
    return join(dropPunctuation(nlTok(s)));
  }

  public 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;
      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));
      if (c == (char) 0x201C || c == (char) 0x201D)
        c = '"';
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          char _c = s.charAt(j);
          if (_c == (char) 0x201C || _c == (char) 0x201D)
            _c = '"';
          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) == '\''));
      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;
  }

  public static <A> List<A> takeFirst(List<A> l, int n) {
    return l(l) <= n ? l : newSubList(l, 0, n);
  }

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

  public static String takeFirst(int n, String s) {
    return substring(s, 0, n);
  }

  public static String takeFirst(String s, int n) {
    return substring(s, 0, n);
  }

  public static <A> List<A> takeFirst(int n, Iterable<A> i) {
    List l = new ArrayList();
    Iterator<A> it = i.iterator();
    for (int _repeat_667 = 0; _repeat_667 < n; _repeat_667++) {
      if (it.hasNext())
        l.add(it.next());
      else
        break;
    }
    return l;
  }

  public static String fileNameEncode_safeChars = " ()[]#,!";

  public static String fileNameEncode(String s) {
    StringBuilder buf = new StringBuilder();
    int n = l(s);
    for (int i = 0; i < n; i++) {
      char c = s.charAt(i);
      if (contains(fileNameEncode_safeChars, c))
        buf.append(c);
      else
        buf.append(urlencode(str(c)));
    }
    return str(buf);
  }

  public static File remoteMechListMirrorsDir() {
    return javaxDataDir("Remote Mech Lists");
  }

  public static Object[] muricaCredentialsPlus(Object... params) {
    return concatArrays(muricaCredentials(), params);
  }

  public static String md5OrNull(String s) {
    return s == null ? null : md5(s);
  }

  public static Map jsonDecodeMap(String s) {
    Object o = jsonDecode(s);
    if (o instanceof List && empty((List) o))
      return new HashMap();
    if (o instanceof Map)
      return (Map) o;
    else
      throw fail("Not a JSON map: " + s);
  }

  public static File remoteMechListMirrorMetaFile(String listName) {
    return javaxDataDir("Remote Mech Lists/" + uniqueFileNameUsingMD5_80_v2(upper(listName)) + ".meta");
  }

  public static String struct(Object o) {
    return structure(o);
  }

  public static String struct(Object o, structure_Data data) {
    return structure(o, data);
  }

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

  public static File remoteMechListMirrorNameFile(String listName) {
    return javaxDataDir("Remote Mech Lists/" + uniqueFileNameUsingMD5_80_v2(upper(listName)) + ".name");
  }

  public static File localMechListFile(String listName) {
    return newFile(localMechListsDir(), uniqueFileNameUsingMD5_80_v2(listName) + ".text");
  }

  public static TreeSet<String> caseInsensitiveSet() {
    return new TreeSet(caseInsensitiveComparator());
  }

  public static TreeSet<String> caseInsensitiveSet(Collection<String> c) {
    return toCaseInsensitiveSet(c);
  }

  public static <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
    if (c != null && b != null)
      for (A a : b) c.add(a);
  }

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

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

  public static boolean endsWithIgnoreCase(String a, String b) {
    int la = l(a), lb = l(b);
    return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb);
  }

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

  public static BufferedReader bufferedReader(Reader r) {
    return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r), r);
  }

  public static <A> CloseableIterableIterator<A> iteratorFromFunction_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
    class IFF2 extends CloseableIterableIterator<A> {

      public A a;

      public boolean done;

      public boolean hasNext() {
        getNext();
        return !done;
      }

      public A next() {
        getNext();
        if (done)
          throw fail();
        A _a = a;
        a = null;
        return _a;
      }

      public void getNext() {
        if (done || a != null)
          return;
        a = f.get();
        done = a == null;
      }

      public void close() throws Exception {
        if (closeable != null)
          closeable.close();
      }
    }
    ;
    return new IFF2();
  }

  public static String readLineFromReaderWithClose(BufferedReader r) {
    try {
      String s = r.readLine();
      if (s == null)
        r.close();
      return s;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static AutoCloseable _wrapIOCloseable(final AutoCloseable c) {
    return c == null ? null : new AutoCloseable() {

      public void close() throws Exception {
        c.close();
        _registerIO(c, null, false);
      }
    };
  }

  public static FileInputStream newFileInputStream(File path) throws IOException {
    return newFileInputStream(path.getPath());
  }

  public static FileInputStream newFileInputStream(String path) throws IOException {
    FileInputStream f = new FileInputStream(path);
    _registerIO(f, path, true);
    return f;
  }

  public static List<String> nlTok(String s) {
    return javaTokPlusPeriod(s);
  }

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

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

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

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

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

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

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

  public static boolean jsonDecode_useOrderedMaps = true;

  public static Object jsonDecode(final String text) {
    final List<String> tok = jsonTok(text);
    class Y {

      public int i = 1;

      public Object parse() {
        String t = tok.get(i);
        if (t.startsWith("\"")) {
          String s = unquote(tok.get(i));
          i += 2;
          return s;
        }
        if (t.equals("{"))
          return parseMap();
        if (t.equals("["))
          return this.parseList();
        if (t.equals("null")) {
          i += 2;
          return null;
        }
        if (t.equals("false")) {
          i += 2;
          return false;
        }
        if (t.equals("true")) {
          i += 2;
          return true;
        }
        boolean minus = false;
        if (t.equals("-")) {
          minus = true;
          i += 2;
          t = get(tok, i);
        }
        if (isInteger(t)) {
          i += 2;
          if (eq(get(tok, i), ".")) {
            String x = t + "." + get(tok, i + 2);
            i += 4;
            double d = parseDouble(x);
            if (minus)
              d = -d;
            return d;
          } else {
            long l = parseLong(t);
            if (minus)
              l = -l;
            return l != (int) l ? new Long(l) : new Integer((int) l);
          }
        }
        throw new RuntimeException("Unknown token " + (i + 1) + ": " + t + ": " + text);
      }

      public Object parseList() {
        consume("[");
        List list = new ArrayList();
        while (!tok.get(i).equals("]")) {
          list.add(parse());
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("]");
        return list;
      }

      public Object parseMap() {
        consume("{");
        Map map = jsonDecode_useOrderedMaps ? new LinkedHashMap() : new TreeMap();
        while (!tok.get(i).equals("}")) {
          String key = unquote(tok.get(i));
          i += 2;
          consume(":");
          Object value = parse();
          map.put(key, value);
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("}");
        return map;
      }

      public void consume(String s) {
        if (!tok.get(i).equals(s)) {
          String prevToken = i - 2 >= 0 ? tok.get(i - 2) : "";
          String nextTokens = join(tok.subList(i, Math.min(i + 4, tok.size())));
          throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
        }
        i += 2;
      }
    }
    return new Y().parse();
  }

  public static boolean structure_showTiming, structure_checkTokenCount;

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

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

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

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

  public static boolean structure_allowShortening = false;

  public static class structure_Data {

    public PrintWriter out;

    public int stringSizeLimit;

    public int shareStringsLongerThan = 20;

    public boolean noStringSharing;

    public IdentityHashMap<Object, Integer> seen = new IdentityHashMap();

    public HashMap<String, Integer> strings = new HashMap();

    public HashSet<String> concepts = new HashSet();

    public HashMap<Class, List<Field>> fieldsByClass = new HashMap();

    public HashMap<Class, Field> persistenceInfo = new HashMap();

    public int n;

    public List<Runnable> stack = new ArrayList();

    public structure_Data append(String token) {
      out.print(token);
      ++n;
      return this;
    }

    public structure_Data append(int i) {
      out.print(i);
      ++n;
      return this;
    }

    public structure_Data append(String token, int tokCount) {
      out.print(token);
      n += tokCount;
      return this;
    }

    public structure_Data app(String token) {
      out.print(token);
      return this;
    }

    public structure_Data app(int i) {
      out.print(i);
      return this;
    }
  }

  public static void structure_1(final Object o, final structure_Data d) {
    try {
      if (o == null) {
        d.append("null");
        return;
      }
      Class c = o.getClass();
      boolean concept = false;
      List<Field> lFields = d.fieldsByClass.get(c);
      if (lFields == null) {
        if (o instanceof Number) {
          PrintWriter out = d.out;
          if (o instanceof Integer) {
            int i = ((Integer) o).intValue();
            out.print(i);
            d.n += i < 0 ? 2 : 1;
            return;
          }
          if (o instanceof Long) {
            long l = ((Long) o).longValue();
            out.print(l);
            out.print("L");
            d.n += l < 0 ? 2 : 1;
            return;
          }
          if (o instanceof Short) {
            short s = ((Short) o).shortValue();
            d.append("sh ", 2);
            out.print(s);
            d.n += s < 0 ? 2 : 1;
            return;
          }
          if (o instanceof Float) {
            d.append("fl ", 2);
            quoteToPrintWriter(str(o), out);
            return;
          }
          if (o instanceof Double) {
            d.append("d(", 3);
            quoteToPrintWriter(str(o), out);
            d.append(")");
            return;
          }
          if (o instanceof BigInteger) {
            out.print("bigint(");
            out.print(o);
            out.print(")");
            d.n += ((BigInteger) o).signum() < 0 ? 5 : 4;
            return;
          }
        }
        if (o instanceof Boolean) {
          d.append(((Boolean) o).booleanValue() ? "t" : "f");
          return;
        }
        if (o instanceof Character) {
          d.append(quoteCharacter((Character) o));
          return;
        }
        if (o instanceof File) {
          d.append("File ").append(quote(((File) o).getPath()));
          return;
        }
        Integer ref = d.seen.get(o);
        if (o instanceof String && ref == null)
          ref = d.strings.get((String) o);
        if (ref != null) {
          d.append("t").app(ref);
          return;
        }
        if (!(o instanceof String))
          d.seen.put(o, d.n);
        else {
          String s = d.stringSizeLimit != 0 ? shorten((String) o, d.stringSizeLimit) : (String) o;
          if (!d.noStringSharing) {
            if (d.shareStringsLongerThan == Integer.MAX_VALUE)
              d.seen.put(o, d.n);
            if (l(s) >= d.shareStringsLongerThan)
              d.strings.put(s, d.n);
          }
          quoteToPrintWriter(s, d.out);
          d.n++;
          return;
        }
        if (o instanceof HashSet) {
          d.append(o instanceof LinkedHashSet ? "lhs" : "hashset");
          structure_1(new ArrayList((Set) o), d);
          return;
        }
        if (o instanceof TreeSet) {
          d.append("treeset");
          structure_1(new ArrayList((Set) o), d);
          return;
        }
        String name = c.getName();
        if (o instanceof Collection && !startsWith(name, "main$")) {
          d.append("[");
          final int l = d.n;
          final Iterator it = ((Collection) o).iterator();
          d.stack.add(new Runnable() {

            public void run() {
              try {
                if (!it.hasNext())
                  d.append("]");
                else {
                  d.stack.add(this);
                  if (d.n != l)
                    d.append(", ");
                  structure_1(it.next(), d);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "if (!it.hasNext())\r\n          d.append(\"]\");\r\n        else {\r\n          d.sta...";
            }
          });
          return;
        }
        if (o instanceof Map && !startsWith(name, "main$")) {
          if (o instanceof LinkedHashMap)
            d.append("lhm");
          else if (o instanceof HashMap)
            d.append("hm");
          else if (name.equals("java.util.Collections$SynchronizedMap"))
            d.append("sync");
          else if (name.equals("java.util.Collections$SynchronizedSortedMap")) {
            d.append("sync tm", 2);
          }
          d.append("{");
          final int l = d.n;
          final Iterator it = ((Map) o).entrySet().iterator();
          d.stack.add(new Runnable() {

            public boolean v;

            public Map.Entry e;

            public void run() {
              if (v) {
                d.append("=");
                v = false;
                d.stack.add(this);
                structure_1(e.getValue(), d);
              } else {
                if (!it.hasNext())
                  d.append("}");
                else {
                  e = (Map.Entry) it.next();
                  v = true;
                  d.stack.add(this);
                  if (d.n != l)
                    d.append(", ");
                  structure_1(e.getKey(), d);
                }
              }
            }
          });
          return;
        }
        if (c.isArray()) {
          if (o instanceof byte[]) {
            d.append("ba ").append(quote(bytesToHex((byte[]) o)));
            return;
          }
          final int n = Array.getLength(o);
          if (o instanceof boolean[]) {
            String hex = boolArrayToHex((boolean[]) o);
            int i = l(hex);
            while (i > 0 && hex.charAt(i - 1) == '0' && hex.charAt(i - 2) == '0') i -= 2;
            d.append("boolarray ").append(n).app(" ").append(quote(substring(hex, 0, i)));
            return;
          }
          String atype = "array", sep = ", ";
          if (o instanceof int[]) {
            atype = "intarray";
            sep = " ";
          }
          d.append(atype).append("{");
          d.stack.add(new Runnable() {

            public int i;

            public void run() {
              if (i >= n)
                d.append("}");
              else {
                d.stack.add(this);
                if (i > 0)
                  d.append(", ");
                structure_1(Array.get(o, i++), d);
              }
            }
          });
          return;
        }
        if (o instanceof Class) {
          d.append("class(", 2).append(quote(((Class) o).getName())).append(")");
          return;
        }
        if (o instanceof Throwable) {
          d.append("exception(", 2).append(quote(((Throwable) o).getMessage())).append(")");
          return;
        }
        if (o instanceof BitSet) {
          BitSet bs = (BitSet) o;
          d.append("bitset{", 2);
          int l = d.n;
          for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i + 1)) {
            if (d.n != l)
              d.append(", ");
            d.append(i);
          }
          d.append("}");
          return;
        }
        if (name.startsWith("java.") || name.startsWith("javax.")) {
          d.append("j ").append(quote(str(o)));
          return;
        }
        String dynName = shortDynamicClassName(o);
        if (concept && !d.concepts.contains(dynName)) {
          d.concepts.add(dynName);
          d.append("c ");
        }
        TreeSet<Field> fields = new TreeSet<Field>(new Comparator<Field>() {

          public int compare(Field a, Field b) {
            return stdcompare(a.getName(), b.getName());
          }
        });
        Class cc = c;
        while (cc != Object.class) {
          for (Field field : getDeclaredFields_cached(cc)) {
            String fieldName = field.getName();
            if (fieldName.equals("_persistenceInfo"))
              d.persistenceInfo.put(c, field);
            if ((field.getModifiers() & (java.lang.reflect.Modifier.STATIC | java.lang.reflect.Modifier.TRANSIENT)) != 0)
              continue;
            fields.add(field);
          }
          cc = cc.getSuperclass();
        }
        lFields = asList(fields);
        for (int i = 0; i < l(lFields); i++) {
          Field f = lFields.get(i);
          if (f.getName().equals("this$1")) {
            lFields.remove(i);
            lFields.add(0, f);
            break;
          }
        }
        d.fieldsByClass.put(c, lFields);
      } else {
        Integer ref = d.seen.get(o);
        if (ref != null) {
          d.append("t").app(ref);
          return;
        }
        d.seen.put(o, d.n);
      }
      Field persistenceInfoField = (Field) (d.persistenceInfo.get(c));
      Map<String, Object> persistenceInfo = persistenceInfoField == null ? null : (Map) persistenceInfoField.get(o);
      LinkedHashMap<String, Object> fv = new LinkedHashMap();
      for (Field f : lFields) {
        Object value;
        try {
          value = f.get(o);
        } catch (Exception e) {
          value = "?";
        }
        if (value != null && (persistenceInfo == null || !Boolean.FALSE.equals(persistenceInfo.get(f.getName()))))
          fv.put(f.getName(), value);
      }
      String name = c.getName();
      String shortName = dropPrefix("main$", name);
      if (concept && eq(fv.get("className"), shortName))
        fv.remove("className");
      if (o instanceof DynamicObject) {
        fv.putAll((Map) fv.get("fieldValues"));
        fv.remove("fieldValues");
        shortName = shortDynamicClassName(o);
        fv.remove("className");
      }
      String singleField = fv.size() == 1 ? first(fv.keySet()) : null;
      d.append(shortName);
      final int l = d.n;
      final Iterator it = fv.entrySet().iterator();
      d.stack.add(new Runnable() {

        public void run() {
          try {
            if (!it.hasNext()) {
              if (d.n != l)
                d.append(")");
            } else {
              Map.Entry e = (Map.Entry) it.next();
              d.append(d.n == l ? "(" : ", ");
              d.append((String) e.getKey()).append("=");
              d.stack.add(this);
              structure_1(e.getValue(), d);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (!it.hasNext()) {\r\n      if (d.n != l)\r\n        d.append(\")\");\r\n    } else...";
        }
      });
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map similarEmptyMap(Map m) {
    if (m instanceof TreeMap)
      return new TreeMap(((TreeMap) m).comparator());
    if (m instanceof LinkedHashMap)
      return new LinkedHashMap();
    return new HashMap();
  }

  public static File localMechListsDir() {
    return javaxDataDir("Mech Lists");
  }

  public static List<String> jsonTok(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;
      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);
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isLetter(c))
        do ++j; while (j < l && Character.isLetter(s.charAt(j)));
      else if (Character.isDigit(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;
  }

  public static boolean isInteger(String s) {
    if (s == null)
      return false;
    int n = l(s);
    if (n == 0)
      return false;
    int i = 0;
    if (s.charAt(0) == '-')
      if (++i >= n)
        return false;
    while (i < n) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static double parseDouble(String s) {
    return Double.parseDouble(s);
  }

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

  public static <A> A assertEquals(String msg, Object x, A y) {
    if (assertVerbose())
      return assertEqualsVerbose(msg, x, y);
    if (!(x == null ? y == null : x.equals(y)))
      throw fail((msg != null ? msg + ": " : "") + y + " != " + x);
    return y;
  }

  public static List<String> javaTokC(String s) {
    if (s == null)
      return null;
    int l = s.length();
    ArrayList<String> tok = new ArrayList();
    int i = 0;
    while (i < l) {
      int j = i;
      char c, d;
      while (j < l) {
        c = s.charAt(j);
        d = j + 1 >= l ? '\0' : s.charAt(j + 1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener || s.charAt(j) == '\n') {
            ++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));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      i = j;
    }
    return tok;
  }

  public static void quoteToPrintWriter(String s, PrintWriter out) {
    if (s == null) {
      out.print("null");
      return;
    }
    out.print('"');
    int l = s.length();
    for (int i = 0; i < l; i++) {
      char c = s.charAt(i);
      if (c == '\\' || c == '"') {
        out.print('\\');
        out.print(c);
      } else if (c == '\r')
        out.print("\\r");
      else if (c == '\n')
        out.print("\\n");
      else if (c == '\0')
        out.print("\\0");
      else
        out.print(c);
    }
    out.print('"');
  }

  public static String quoteCharacter(char c) {
    if (c == '\'')
      return "'\\''";
    if (c == '\\')
      return "'\\\\'";
    if (c == '\r')
      return "'\\r'";
    if (c == '\n')
      return "'\\n'";
    if (c == '\t')
      return "'\\t'";
    return "'" + c + "'";
  }

  public static String boolArrayToHex(boolean[] a) {
    return bytesToHex(boolArrayToBytes(a));
  }

  public static Iterator emptyIterator() {
    return Collections.emptyIterator();
  }

  public static String shortDynamicClassName(Object o) {
    if (o instanceof DynamicObject && ((DynamicObject) o).className != null)
      return ((DynamicObject) o).className;
    return shortClassName(o);
  }

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

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

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

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

  public static Map<Class, Field[]> getDeclaredFields_cache = newDangerousWeakHashMap();

  public static Field[] getDeclaredFields_cached(Class c) {
    Field[] fields;
    synchronized (getDeclaredFields_cache) {
      fields = getDeclaredFields_cache.get(c);
      if (fields == null) {
        getDeclaredFields_cache.put(c, fields = c.getDeclaredFields());
        for (Field f : fields) f.setAccessible(true);
      }
    }
    return fields;
  }

  public static String dropPrefix(String prefix, String s) {
    return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
  }

  public static ThreadLocal<Boolean> assertVerbose_value = new ThreadLocal();

  public static void assertVerbose(boolean b) {
    assertVerbose_value.set(b);
  }

  public static boolean assertVerbose() {
    return isTrue(assertVerbose_value.get());
  }

  public static <A> A assertEqualsVerbose(Object x, A y) {
    assertEqualsVerbose((String) null, x, y);
    return y;
  }

  public static <A> A assertEqualsVerbose(String msg, Object x, A y) {
    if (!eq(x, y)) {
      throw fail((msg != null ? msg + ": " : "") + (y) + " != " + (x));
    } else
      print("OK: " + (x));
    return y;
  }

  public static String javaTok_substringC(String s, int i, int j) {
    return s.substring(i, j);
  }

  public 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;
  }

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

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

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

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

  public abstract static class CloseableIterableIterator<A> extends IterableIterator<A> implements AutoCloseable {

    public void close() throws Exception {
    }
  }

  public static class ExpiringMap2<A, B> extends AbstractMap<A, B> {

    public Map<A, Pair<Long, B>> byKey = new HashMap();

    public PriorityBlockingQueue<PairComparedByA<Long, A>> queue = new PriorityBlockingQueue();

    public long standardExpiryTime;

    public boolean renewOnOverwrite = true;

    public Object onChange;

    public ExpiringMap2() {
    }

    public ExpiringMap2(long standardExpiryTime) {
      this.standardExpiryTime = standardExpiryTime;
    }

    public ExpiringMap2(long standardExpiryTime, Object onChange) {
      this.onChange = onChange;
      this.standardExpiryTime = standardExpiryTime;
    }

    public boolean clean() {
      boolean changes = false;
      Pair<Long, A> p;
      while ((p = queue.peek()) != null && sysTime() >= p.a) {
        p = queue.poll();
        Pair<Long, B> v = byKey.get(p.b);
        if (v != null) {
          byKey.remove(p.b);
          changes = true;
          change();
        }
      }
      return changes;
    }

    public void change() {
      callF(onChange);
    }

    public B put(A a, B b) {
      clean();
      long timeout = sysTime() + standardExpiryTime;
      Pair<Long, B> p = byKey.get(a);
      if (p != null && renewOnOverwrite)
        queue.remove(new PairComparedByA(p.a, a));
      byKey.put(a, pair(timeout, b));
      change();
      if (p == null || renewOnOverwrite)
        queue.add(new PairComparedByA(timeout, a));
      return pairB(p);
    }

    public B remove(Object a) {
      clean();
      Pair<Long, B> p = byKey.get(a);
      if (p == null)
        return null;
      queue.remove(new PairComparedByA(p.a, a));
      byKey.remove(a);
      change();
      return p.b;
    }

    public B get(Object a) {
      clean();
      return pairB(byKey.get(a));
    }

    public Set<Map.Entry<A, B>> entrySet() {
      clean();
      return mapValues("pairB", byKey).entrySet();
    }

    public Set<A> keySet() {
      clean();
      return byKey.keySet();
    }

    public int size() {
      clean();
      return byKey.size();
    }

    public void setStandardExpiryTime(long ms) {
      standardExpiryTime = ms;
    }

    public ExpiringMap2<A, B> setMap(Map innerMap) {
      byKey = innerMap;
      return this;
    }
  }

  public static class JavaXClassLoaderWithParent2 extends JavaXClassLoader {

    public ClassLoader virtualParent;

    public List<String> classesToSkip;

    public JavaXClassLoaderWithParent2(String progID, List<File> files, ClassLoader virtualParent, List<String> classesToSkip) {
      super(progID, files);
      this.virtualParent = virtualParent;
      this.classesToSkip = classesToSkip;
    }

    public Class<?> findClass(String name) throws ClassNotFoundException {
      if (shouldDelegate(name)) {
        Class<?> c = virtualParent.loadClass(name);
        if (c != null)
          return c;
      }
      return super.findClass(name);
    }

    public boolean shouldDelegate(String name) {
      for (String s : classesToSkip) if (eq(name, s) || startsWith(name, s + "$"))
        return true;
      return false;
    }
  }

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

  public static class DynamicObject {

    public String className;

    public LinkedHashMap<String, Object> fieldValues = new LinkedHashMap();

    public DynamicObject() {
    }

    public DynamicObject(String className) {
      this.className = className;
    }
  }

  public static class Matches {

    public String[] m;

    public Matches() {
    }

    public Matches(String... m) {
      this.m = m;
    }

    public String get(int i) {
      return i < m.length ? m[i] : null;
    }

    public String unq(int i) {
      return unquote(get(i));
    }

    public String fsi(int i) {
      return formatSnippetID(unq(i));
    }

    public String fsi() {
      return fsi(0);
    }

    public String tlc(int i) {
      return unq(i).toLowerCase();
    }

    public boolean bool(int i) {
      return "true".equals(unq(i));
    }

    public String rest() {
      return m[m.length - 1];
    }

    public int psi(int i) {
      return Integer.parseInt(unq(i));
    }
  }

  public abstract static class IterableIterator<A> implements Iterator<A>, Iterable<A> {

    public Iterator<A> iterator() {
      return this;
    }

    public void remove() {
      unsupportedOperation();
    }
  }

  public static class MechMode {

    public Object readMode;

    public Object writeMode;

    public MechMode() {
    }

    public MechMode(Object readMode, Object writeMode) {
      this.writeMode = writeMode;
      this.readMode = readMode;
    }

    public String toString() {
      return "MechMode(" + readMode + ", " + writeMode + ")";
    }

    public boolean equals(Object o) {
      if (!(o instanceof MechMode))
        return false;
      MechMode x = (MechMode) (o);
      return eq(readMode, x.readMode) && eq(writeMode, x.writeMode);
    }

    public int hashCode() {
      int h = -866263200;
      h = h * 2 + _hashCode(readMode);
      h = h * 2 + _hashCode(writeMode);
      return h;
    }
  }

  public static class CompilerBot {

    public static boolean verbose;

    public static File compileSnippet(String snippetID) {
      return compileSnippet(snippetID, "");
    }

    public static Pair<File, String> compileSnippet2(String snippetID) {
      return compileSnippet2(snippetID, "");
    }

    public static File compileSnippet(String snippetID, String javaTarget) {
      return compileSnippet2(snippetID, javaTarget).a;
    }

    public static Pair<File, String> compileSnippet2(String snippetID, String javaTarget) {
      String transpiledSrc = getServerTranspiled2(snippetID);
      int i = transpiledSrc.indexOf('\n');
      String libs = transpiledSrc.substring(0, Math.max(0, i));
      if (verbose)
        print("Compiling snippet: " + snippetID + ". Libs: " + libs);
      transpiledSrc = transpiledSrc.substring(i + 1);
      return pair(compile(transpiledSrc, libs, javaTarget, snippetID), transpiledSrc);
    }

    public static File compile(String src) {
      return compile(src, "");
    }

    public static File compile(String src, String libs) {
      return compile(src, libs, null);
    }

    public static File compile(String src, String dehlibs, String javaTarget) {
      return compile(src, dehlibs, javaTarget, null);
    }

    public static File compile(String src, String dehlibs, String javaTarget, String progID) {
      if (verbose)
        print("Compiling " + l(src) + " chars");
      String md5 = md5(dehlibs + "\n" + src + "\n" + progID);
      File jar = getJarFile(md5);
      if (jar == null || jar.length() <= 22) {
        boolean canRename = useDummyMainClasses() && isSnippetID(progID) && !tok_classHasModifier(findMainClass(javaTok(src)), "public");
        if (verbose)
          print("useRenaming: " + useDummyMainClasses() + ", canRename: " + canRename + ", progID: " + progID);
        javaCompileToJar_optionalRename(src, dehlibs, jar, canRename ? progID : null);
      } else {
        if (verbose)
          print("Getting classes from cache (" + jar.getAbsolutePath() + ", " + jar.length() + " bytes)");
        touchFile(jar);
      }
      return jar;
    }

    public static File getJarFile(String md5) {
      assertTrue(isMD5(md5));
      return new File(getCacheProgramDir("#1002203"), md5 + ".jar");
    }
  }

  public static class PairComparedByA<A, B> extends Pair<A, B> {

    public PairComparedByA() {
    }

    public PairComparedByA(A a, B b) {
      this.b = b;
      this.a = a;
    }

    public boolean equals(Object o) {
      return o instanceof Pair && eq(a, ((Pair) o).a);
    }

    public int compareTo(Pair<A, B> p) {
      return stdcmp(a, p.a);
    }
  }

  public static class JavaXClassLoader extends URLClassLoader {

    public String progID;

    public List<File> files;

    public Set<Class> loadedClasses = synchroSet();

    public boolean retired;

    public Object retiredMarker;

    public JavaXClassLoader(String progID, List<File> files) {
      this(progID, files, getSystemClassLoader());
    }

    public JavaXClassLoader(String progID, List<File> files, ClassLoader parent) {
      super(new URL[0], parent);
      this.progID = progID;
      this.files = files;
      {
        try {
          for (File f : files) addURL(f.toURI().toURL());
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }
      fixACCInClassLoader(this);
    }

    public Class<?> findClass(String name) throws ClassNotFoundException {
      try {
        Class<?> c = super.findClass(name);
        loadedClasses.add(c);
        if (eq(name, "main"))
          callOpt(javax(), "registerAMainClass", c);
        return c;
      } catch (ClassNotFoundException e) {
        throw new ClassNotFoundException("Class " + name + " not found in " + joinWithComma(map("f2s", files)) + " (progID=" + progID + ")");
      }
    }

    public String toString() {
      return "JavaXClassLoader[" + systemHashCodeHex(this) + "] - " + progID;
    }
  }

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

  public static long sysTime() {
    return sysNow();
  }

  public static void change() {
    callOpt(getOptMC("mainConcepts"), "allChanged");
  }

  public static <A> void remove(List<A> l, int i) {
    if (l != null && i >= 0 && i < l(l))
      l.remove(i);
  }

  public static <A> void remove(Collection<A> l, A a) {
    if (l != null)
      l.remove(a);
  }

  public static Map mapValues(Object func, Map map) {
    Map m = similarEmptyMap(map);
    for (Object key : keys(map)) m.put(key, callF(func, map.get(key)));
    return m;
  }

  public static Map mapValues(Map map, Object func) {
    return mapValues(func, map);
  }

  public static <A, B> Set<A> keySet(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

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

  public static HashMap<String, Class> findClass_cache = new HashMap();

  public static Class findClass(String name) {
    synchronized (findClass_cache) {
      if (findClass_cache.containsKey(name))
        return findClass_cache.get(name);
      if (!isJavaIdentifier(name))
        return null;
      Class c;
      try {
        c = Class.forName("main$" + name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_cache.put(name, c);
      return c;
    }
  }

  public static String fsi(String id) {
    return formatSnippetID(id);
  }

  public static <A> Iterator<A> iterator(Iterable<A> c) {
    return c == null ? emptyIterator() : c.iterator();
  }

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

  public static int _hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static String getServerTranspiled2(String id) {
    String transpiled = loadCachedTranspilation(id);
    String md5 = null;
    if (isOfflineMode())
      return transpiled;
    if (transpiled != null)
      md5 = md5(transpiled);
    String transpiledSrc = getServerTranspiled(formatSnippetID(id), md5);
    if (eq(transpiledSrc, "SAME")) {
      if (!isTrue(loadPage_silent.get()))
        print("SAME");
      return transpiled;
    }
    return transpiledSrc;
  }

  public static boolean useDummyMainClasses() {
    return true;
  }

  public static boolean tok_classHasModifier(List<String> classDecl, String modifier) {
    int i = classDecl.indexOf("class");
    return subList(classDecl, 0, i).contains(modifier);
  }

  public static List<String> findMainClass(List<String> tok) {
    for (List<String> c : reversedList(allClasses(tok))) {
      String name = getClassDeclarationName(c);
      if (eq(name, "main") || name.startsWith("x"))
        return c;
    }
    return findBlock("m {", tok);
  }

  public static int javaTok_n, javaTok_elements;

  public static boolean javaTok_opt;

  public static List<String> javaTok(String s) {
    ++javaTok_n;
    ArrayList<String> tok = new ArrayList();
    int l = s == null ? 0 : s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      while (j < l) {
        c = s.charAt(j);
        d = j + 1 >= l ? '\0' : s.charAt(j + 1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' && Character.isJavaIdentifierStart(d) && i + 2 < l && "'\\".indexOf(s.charAt(i + 2)) < 0) {
        j += 2;
        while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j;
      } else if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          int c2 = s.charAt(j);
          if (c2 == opener || c2 == '\n' && opener == '\'') {
            ++j;
            break;
          } else if (c2 == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

  public static List<String> javaTok(List<String> tok) {
    return javaTokWithExisting(join(tok), tok);
  }

  public static boolean javaCompileToJar_useRAMDisk;

  public static File javaCompileToJar_optionalRename(String src, File destJar, String progID) {
    return javaCompileToJar_optionalRename(src, "", destJar, progID);
  }

  public static synchronized File javaCompileToJar_optionalRename(String src, String dehlibs, File destJar, String progID) {
    String javaTarget = null;
    String dummyClass = "main";
    if (progID != null) {
      dummyClass = dummyMainClassName(progID);
      src += "\nclass " + dummyClass + "{}";
    }
    String md5 = md5(src);
    File jar = destJar;
    Class j = getJavaX();
    if (javaTarget != null)
      setOpt(j, "javaTarget", javaTarget);
    File srcDir = tempDir();
    String className = "main";
    String fileName = dummyClass + ".java";
    File mainJava = new File(srcDir, fileName);
    saveTextFile(mainJava, src);
    File classesDir = javaCompileToJar_useRAMDisk ? tempDirPossiblyInRAMDisk() : tempDir();
    try {
      List<File> libraries = new ArrayList();
      Matcher m = Pattern.compile("\\d+").matcher(dehlibs);
      while (m.find()) {
        String libID = m.group();
        assertTrue(isSnippetID(libID));
        libraries.add(loadLibrary(libID));
      }
      libraries.add(pathToJavaxJar());
      String compilerOutput;
      try {
        compilerOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir);
      } catch (Throwable e) {
        compilerOutput = (String) get(getJavaX(), "javaCompilerOutput");
        throw fail("Compile Error. " + compilerOutput + " " + e);
      }
      if (nempty(compilerOutput)) {
        print("Compiler said: " + compilerOutput);
      }
      if (!new File(classesDir, className + ".class").exists())
        throw fail("No class generated (" + className + ")");
      saveTextFile(new File(classesDir, "main.java"), src);
      if (nempty(dehlibs))
        saveTextFile(new File(classesDir, "libraries"), dehlibs);
      dir2zip_recurse_verbose = false;
      int n = dir2zip_recurse(classesDir, jar);
      return jar;
    } finally {
      if (isInRAMDisk(classesDir))
        deleteDirectory(classesDir);
    }
  }

  public static void touchFile(File file) {
    try {
      closeRandomAccessFile(newRandomAccessFile(mkdirsForFile(file), "rw"));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File getCacheProgramDir() {
    return getCacheProgramDir(getProgramID());
  }

  public static File getCacheProgramDir(String snippetID) {
    return new File(userHome(), "JavaX-Caches/" + formatSnippetIDOpt(snippetID));
  }

  public static int stdcmp(Number a, Number b) {
    return cmp(a, b);
  }

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

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

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

  public static <A> Set<A> synchroSet() {
    return synchroHashSet();
  }

  public static <A> Set<A> synchroSet(Set<A> set) {
    return Collections.synchronizedSet(set);
  }

  public static void fixACCInClassLoader(Object o) {
    try {
      AccessControlContext acc = vm_globalACC();
      if (acc != null)
        replaceACCInClassLoader(o, acc);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static String joinWithComma(Collection<String> c) {
    return join(", ", c);
  }

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

  public static String systemHashCodeHex(Object o) {
    return intToHex(identityHashCode(o));
  }

  public static long sysNow() {
    return System.nanoTime() / 1000000;
  }

  public static boolean isOfflineMode() {
    return eq("1", trim(loadProgramTextFile("#1005806", "offline-mode")));
  }

  public static String getServerTranspiled(String snippetID) {
    return getServerTranspiled(snippetID, null);
  }

  public static String getServerTranspiled(String snippetID, String expectedMD5) {
    try {
      long id = parseSnippetID(snippetID);
      String text = loadPage_utf8(tb_mainServer() + "/tb-int/get-transpiled.php?raw=1&withlibs=1&id=" + id + "&utf8=1" + (l(expectedMD5) > 1 ? "&md5=" + urlencode(expectedMD5) : "") + standardCredentials());
      if (nempty(text) && neq(text, "SAME"))
        saveTranspiledCode(snippetID, text);
      return text;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> List<A> reversedList(Collection<A> l) {
    List<A> x = cloneList(l);
    Collections.reverse(x);
    return x;
  }

  public static HashSet<String> allClasses_keywords = lithashset("class", "interface", "enum", "sclass");

  public static List<List<String>> allClasses(List<String> tok) {
    List<List<String>> l = new ArrayList();
    for (int i = 1; i < tok.size(); i += 2) {
      if (eq(tok.get(i), "{"))
        i = findEndOfBlock(tok, i) - 1;
      else if (allClasses_keywords.contains(tok.get(i)) && (i == 1 || !tok.get(i - 2).equals("."))) {
        int j = i;
        while (j < tok.size() && !tok.get(j).equals("{")) j += 2;
        j = findEndOfBlock(tok, j) + 1;
        i = leftScanModifiers(tok, i);
        l.add(tok.subList(i - 1, Math.min(tok.size(), j)));
        i = j - 2;
      }
    }
    return l;
  }

  public static List<List<String>> allClasses(String text) {
    return allClasses(javaTok(text));
  }

  public static String getClassDeclarationName(List<String> c) {
    if (c != null)
      for (int i = 1; i + 2 < c.size(); i += 2) if (allClasses_keywords.contains(c.get(i)))
        return c.get(i + 2);
    return null;
  }

  public static List<String> findBlock(String pat, List<String> tok) {
    List<String> tokpat = javaTok(pat);
    int i = findCodeTokens(tok, toStringArray(codeTokensOnly(tokpat)));
    if (i < 0)
      return null;
    int bracketIdx = i + tokpat.size() - 3;
    assertEquals("{", tok.get(bracketIdx));
    int endIdx = findEndOfBlock(tok, bracketIdx);
    return subList(tok, i - 1, endIdx + 1);
  }

  public static String javaTok_substringN(String s, int i, int j) {
    if (i == j)
      return "";
    if (j == i + 1 && s.charAt(i) == ' ')
      return " ";
    return s.substring(i, j);
  }

  public static List<String> javaTokWithExisting(String s, List<String> existing) {
    ++javaTok_n;
    int nExisting = javaTok_opt && existing != null ? existing.size() : 0;
    ArrayList<String> tok = existing != null ? new ArrayList(nExisting) : new ArrayList();
    int l = s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      while (j < l) {
        c = s.charAt(j);
        d = j + 1 >= l ? '\0' : s.charAt(j + 1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
        tok.add(existing.get(n));
      else
        tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' && Character.isJavaIdentifierStart(d) && i + 2 < l && "'\\".indexOf(s.charAt(i + 2)) < 0) {
        j += 2;
        while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j;
      } else if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++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));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
        tok.add(existing.get(n));
      else
        tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

  public static boolean javaTokWithExisting_isCopyable(String t, String s, int i, int j) {
    return t.length() == j - i && s.regionMatches(i, t, 0, j - i);
  }

  public static String dummyMainClassName(String progID) {
    return "m" + psI(progID);
  }

  public static File tempDir() {
    return makeTempDir();
  }

  public static File tempDirPossiblyInRAMDisk() {
    File f = linux_fileInRamDisk(aGlobalID());
    if (f != null) {
      f.mkdirs();
      return f;
    }
    return makeTempDir();
  }

  public static File pathToJavaxJar() {
    try {
      int x = latestInstalledJavaX();
      File xfile = new File(userHome(), ".javax/x" + Math.max(x, 30) + ".jar");
      if (!xfile.isFile()) {
        print("Saving " + f2s(xfile));
        String url = "http://tinybrain.de/x30.jar";
        byte[] data = loadBinaryPage(url);
        if (data.length < 1000000)
          throw fail("Could not load " + url);
        saveBinaryFile(xfile.getPath(), data);
      }
      return xfile;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean dir2zip_recurse_verbose;

  public static int dir2zip_recurse(File inDir, File zip) {
    return dir2zip_recurse(inDir, zip, "");
  }

  public static int dir2zip_recurse(File inDir, File zip, String outPrefix) {
    try {
      mkdirsForFile(zip);
      FileOutputStream fout = newFileOutputStream(zip);
      ZipOutputStream outZip = new ZipOutputStream(fout);
      try {
        return dir2zip_recurse(inDir, outZip, outPrefix, 0);
      } finally {
        outZip.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int dir2zip_recurse(File inDir, ZipOutputStream outZip) {
    return dir2zip_recurse(inDir, outZip, "", 0);
  }

  public static int dir2zip_recurse(File inDir, ZipOutputStream outZip, String outPrefix, int level) {
    try {
      if (++level >= 20)
        throw fail("woot? 20 levels in zip?");
      List<File> files = new ArrayList();
      for (File f : listFiles(inDir)) files.add(f);
      int n = 0;
      sortFilesByName(files);
      for (File f : files) {
        if (f.isDirectory()) {
          print("dir2zip_recurse: Scanning " + f.getAbsolutePath());
          n += dir2zip_recurse(f, outZip, outPrefix + f.getName() + "/", level);
        } else {
          if (dir2zip_recurse_verbose)
            print("Copying " + f.getName());
          outZip.putNextEntry(new ZipEntry(outPrefix + f.getName()));
          InputStream fin = new FileInputStream(f);
          copyStream(fin, outZip);
          fin.close();
          ++n;
        }
      }
      return n;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isInRAMDisk(File f) {
    return startsWith(f2s(f), "/dev/shm");
  }

  public static int deleteDirectory_minPathLength = 10;

  public static void deleteDirectory(File dir) {
    deleteDirectory(dir, false, false);
  }

  public static void deleteDirectory(File dir, boolean verbose, boolean testRun) {
    dir = getCanonicalFile(dir);
    assertTrue(f2s(dir), l(f2s(dir)) >= deleteDirectory_minPathLength);
    File[] files = dir.listFiles();
    if (files == null)
      return;
    for (File f : files) {
      if (f.isDirectory())
        deleteDirectory(f, verbose, testRun);
      else {
        if (verbose)
          print((testRun ? "Would delete " : "Deleting ") + f.getAbsolutePath());
        if (!testRun)
          f.delete();
      }
    }
    if (verbose)
      print((testRun ? "Would delete " : "Deleting ") + dir.getAbsolutePath());
    if (!testRun)
      dir.delete();
  }

  public static void closeRandomAccessFile(RandomAccessFile f) {
    if (f != null)
      try {
        f.close();
        callJavaX("dropIO", f);
      } catch (Throwable e) {
        printStackTrace(e);
      }
  }

  public static RandomAccessFile newRandomAccessFile(File path, String mode) throws IOException {
    RandomAccessFile f = new RandomAccessFile(path, mode);
    callJavaX("registerIO", f, path, mode.indexOf('w') >= 0);
    return f;
  }

  public static <A> Set<A> synchroHashSet() {
    return Collections.synchronizedSet(new HashSet<A>());
  }

  public static AccessControlContext vm_globalACC() {
    return vm_generalMap_get("Global ACC");
  }

  public static void replaceACCInClassLoader(Object o, AccessControlContext newACC) {
    ClassLoader cl = getClassLoaderOrSame(o);
    if (cl instanceof URLClassLoader)
      try {
        setOpt(cl, "acc", newACC);
        try {
          setOpt(getOpt(cl, "ucp"), "acc", newACC);
        } catch (Throwable e) {
          printShortException(e);
          if (java10OrHigher())
            if (addDefaultVMOption("--add-opens java.base/jdk.internal.loader=ALL-UNNAMED"))
              print("Please restart the OS");
        }
      } catch (Throwable __e) {
        _handleException(__e);
      }
  }

  public static String intToHex(int i) {
    return bytesToHex(intToBytes(i));
  }

  public static int identityHashCode(Object o) {
    return System.identityHashCode(o);
  }

  public static String loadProgramTextFile(String name) {
    return loadTextFile(getProgramFile(name));
  }

  public static String loadProgramTextFile(String progID, String name) {
    return loadTextFile(getProgramFile(progID, name));
  }

  public static String loadProgramTextFile(String progID, String name, String defaultText) {
    return loadTextFile(getProgramFile(progID, name), defaultText);
  }

  public static String loadPage_utf8(URL url) {
    return loadPage_utf8(url.toString());
  }

  public static String loadPage_utf8(String url) {
    loadPage_charset.set("UTF-8");
    try {
      return loadPage(url);
    } finally {
      loadPage_charset.set(null);
    }
  }

  public static void saveTranspiledCode(String progID, String code) {
    File dir = getCodeProgramDir(progID);
    new File(dir, "Transpilation").delete();
    saveGZTextFile(new File(dir, "Transpilation.gz"), code);
  }

  public static <A> HashSet<A> lithashset(A... items) {
    HashSet<A> set = new HashSet();
    for (A a : items) set.add(a);
    return set;
  }

  public static int findEndOfBlock(List<String> cnc, int i) {
    int j = i + 2, level = 1;
    while (j < cnc.size()) {
      if (cnc.get(j).equals("{"))
        ++level;
      else if (cnc.get(j).equals("}"))
        --level;
      if (level == 0)
        return j + 1;
      ++j;
    }
    return cnc.size();
  }

  public static int leftScanModifiers(List<String> tok, int i) {
    List<String> mod = getJavaModifiers();
    while (i > 1 && mod.contains(tok.get(i - 2))) i -= 2;
    return i;
  }

  public static int findCodeTokens(List<String> tok, String... tokens) {
    return findCodeTokens(tok, 1, false, tokens);
  }

  public static int findCodeTokens(List<String> tok, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, 1, ignoreCase, tokens);
  }

  public static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, startIdx, ignoreCase, tokens, null);
  }

  public static List<String> findCodeTokens_specials = litlist("*", "<quoted>", "<id>", "<int>", "\\*");

  public static boolean findCodeTokens_debug;

  public static int findCodeTokens_indexed, findCodeTokens_unindexed;

  public static int findCodeTokens_bails, findCodeTokens_nonbails;

  public static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) {
    if (findCodeTokens_debug) {
      if (eq(getClassName(tok), "main$IndexedList2"))
        findCodeTokens_indexed++;
      else
        findCodeTokens_unindexed++;
    }
    if (!findCodeTokens_specials.contains(tokens[0]) && !tok.contains(tokens[0])) {
      ++findCodeTokens_bails;
      return -1;
    }
    ++findCodeTokens_nonbails;
    outer: for (int i = startIdx | 1; i + tokens.length * 2 - 2 < tok.size(); i += 2) {
      for (int j = 0; j < tokens.length; j++) {
        String p = tokens[j], t = tok.get(i + j * 2);
        boolean match;
        if (eq(p, "*"))
          match = true;
        else if (eq(p, "<quoted>"))
          match = isQuoted(t);
        else if (eq(p, "<id>"))
          match = isIdentifier(t);
        else if (eq(p, "<int>"))
          match = isInteger(t);
        else if (eq(p, "\\*"))
          match = eq("*", t);
        else
          match = ignoreCase ? eqic(p, t) : eq(p, t);
        if (!match)
          continue outer;
      }
      if (condition == null || checkTokCondition(condition, tok, i - 1))
        return i;
    }
    return -1;
  }

  public static List<String> codeTokensOnly(List<String> tok) {
    List<String> l = new ArrayList();
    for (int i = 1; i < tok.size(); i += 2) l.add(tok.get(i));
    return l;
  }

  public static File makeTempDir() {
    return (File) call(getJavaX(), "TempDirMaker_make");
  }

  public static File linux_fileInRamDisk(String name) {
    if (!isLinux())
      return null;
    File dir = newFile("/dev/shm");
    if (dir.isDirectory())
      return newFile(dir, name);
    return null;
  }

  public static String aGlobalID() {
    return randomID(globalIDLength());
  }

  public static int latestInstalledJavaX() {
    File[] files = new File(userHome(), ".javax").listFiles();
    int v = 0;
    if (files != null)
      for (File f : files) {
        Matcher m = Pattern.compile("x(\\d\\d\\d?)\\.jar").matcher(f.getName());
        if (m.matches())
          v = Math.max(v, Integer.parseInt(m.group(1)));
      }
    return v;
  }

  public static File[] listFiles(File dir) {
    File[] files = dir.listFiles();
    return files == null ? new File[0] : files;
  }

  public static File[] listFiles(String dir) {
    return listFiles(new File(dir));
  }

  public static void sortFilesByName(List<File> l) {
    sort(l, new Comparator<File>() {

      public int compare(File a, File b) {
        return stdcompare(a.getName(), b.getName());
      }
    });
  }

  public static File getCanonicalFile(File f) {
    try {
      return f == null ? null : f.getCanonicalFile();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A callJavaX(String method, Object... args) {
    return (A) callOpt(getJavaX(), method, args);
  }

  public static ClassLoader getClassLoaderOrSame(Object o) {
    return o instanceof ClassLoader ? (ClassLoader) o : getClassLoader(o);
  }

  public static void printShortException(Throwable e) {
    print(exceptionToStringShort(e));
  }

  public static boolean java10OrHigher() {
    return parseFirstInt(javaVersion()) >= 10;
  }

  public static boolean addDefaultVMOption(String option) {
    String s = defaultVMArgs(), old = s;
    if (!s.contains(option))
      s = trim(s + " " + option);
    if (eq(old, s))
      return false;
    {
      setDefaultVMArgs(s);
      return true;
    }
  }

  public static byte[] intToBytes(int i) {
    return new byte[] { (byte) (i >>> 24), (byte) (i >>> 16), (byte) (i >>> 8), (byte) i };
  }

  public static void saveGZTextFile(File file, String contents) {
    try {
      File parentFile = file.getParentFile();
      if (parentFile != null)
        parentFile.mkdirs();
      String tempFileName = file.getPath() + "_temp";
      File tempFile = new File(tempFileName);
      if (contents != null) {
        if (tempFile.exists())
          try {
            String saveName = tempFileName + ".saved." + now();
            copyFile(tempFile, new File(saveName));
          } catch (Throwable e) {
            printStackTrace(e);
          }
        FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath());
        GZIPOutputStream gos = new GZIPOutputStream(fileOutputStream);
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(gos, "UTF-8");
        PrintWriter printWriter = new PrintWriter(outputStreamWriter);
        printWriter.print(contents);
        printWriter.close();
        gos.close();
        fileOutputStream.close();
      }
      if (file.exists() && !file.delete())
        throw new IOException("Can't delete " + file.getPath());
      if (contents != null)
        if (!tempFile.renameTo(file))
          throw new IOException("Can't rename " + tempFile + " to " + file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> getJavaModifiers_list = litlist("static", "abstract", "public", "private", "protected", "final", "native", "volatile", "synchronized", "transient");

  public static List<String> getJavaModifiers() {
    return getJavaModifiers_list;
  }

  public static boolean isIdentifier(String s) {
    return isJavaIdentifier(s);
  }

  public static boolean checkTokCondition(Object condition, List<String> tok, int i) {
    if (condition instanceof TokCondition)
      return ((TokCondition) condition).get(tok, i);
    return checkCondition(condition, tok, i);
  }

  public static boolean isLinux() {
    return !isWindows() && !isMac() && !isAndroid();
  }

  public static int randomID_defaultLength = 12;

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

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

  public static int globalIDLength() {
    return 16;
  }

  public static <T> void sort(T[] a, Comparator<? super T> c) {
    Arrays.sort(a, c);
  }

  public static <T> void sort(T[] a) {
    Arrays.sort(a);
  }

  public static <T> void sort(List<T> a, Comparator<? super T> c) {
    Collections.sort(a, c);
  }

  public static void sort(List a) {
    Collections.sort(a);
  }

  public static ClassLoader getClassLoader(Object o) {
    return o == null ? null : _getClass(o).getClassLoader();
  }

  public static int parseFirstInt(String s) {
    return parseInt(jextract("<int>", s));
  }

  public static String javaVersion() {
    return System.getProperty("java.version");
  }

  public static String defaultVMArgs() {
    return javaxDefaultVMArgs();
  }

  public static void setDefaultVMArgs(String args) {
    String oldArgs = javaxDefaultVMArgs();
    args = trim(args);
    if (neq(unnull(oldArgs), unnull(args))) {
      print();
      print("Changing default VM arguments from");
      print("  " + oldArgs);
      print("to");
      print("  " + args);
      print();
      saveProgramTextFile("#1005850", "default-vm-args", nullIfEmpty(args));
    }
  }

  public static boolean checkCondition(Object condition, Object... args) {
    return isTrue(callF(condition, args));
  }

  public static boolean isWindows() {
    return System.getProperty("os.name").contains("Windows");
  }

  public static boolean isMac() {
    return System.getProperty("os.name").toLowerCase().contains("mac");
  }

  public static String jextract(String pat, String s) {
    return jextract(pat, javaTok(s));
  }

  public static String jextract(String pat, List<String> tok) {
    List<String> tokpat = javaTok(pat);
    jfind_preprocess(tokpat);
    int i = jfind(tok, tokpat);
    if (i < 0)
      return null;
    int j = i + l(tokpat) - 2;
    return join(subList(tok, i, j));
  }

  public static String javaxDefaultVMArgs() {
    return trim(loadProgramTextFile("#1005850", "default-vm-args", ""));
  }

  public static File saveProgramTextFile(String name, String contents) {
    return saveTextFile(getProgramFile(name), contents);
  }

  public static File saveProgramTextFile(String progID, String name, String contents) {
    return saveTextFile(getProgramFile(progID, name), contents);
  }

  public static int jfind(String s, String in) {
    return jfind(javaTok(s), in);
  }

  public static int jfind(List<String> tok, String in) {
    return jfind(tok, 1, in);
  }

  public static int jfind(List<String> tok, int startIdx, String in) {
    return jfind(tok, startIdx, in, null);
  }

  public static int jfind(List<String> tok, String in, Object condition) {
    return jfind(tok, 1, in, condition);
  }

  public static int jfind(List<String> tok, int startIdx, String in, Object condition) {
    List<String> tokin = javaTok(in);
    jfind_preprocess(tokin);
    return jfind(tok, startIdx, tokin, condition);
  }

  public static int jfind(List<String> tok, List<String> tokin) {
    return jfind(tok, 1, tokin);
  }

  public static int jfind(List<String> tok, int startIdx, List<String> tokin) {
    return jfind(tok, startIdx, tokin, null);
  }

  public static int jfind(List<String> tok, int startIdx, List<String> tokin, Object condition) {
    return findCodeTokens(tok, startIdx, false, toStringArray(codeTokensOnly(tokin)), condition);
  }

  public static List<String> jfind_preprocess(List<String> tok) {
    for (String type : litlist("quoted", "id", "int")) replaceSublist(tok, ll("<", "", type, "", ">"), ll("<" + type + ">"));
    replaceSublist(tok, ll("\\", "", "*"), ll("\\*"));
    return tok;
  }

  public static <A> List<A> replaceSublist(List<A> l, List<A> x, List<A> y) {
    if (x == null)
      return l;
    int i = 0;
    while (true) {
      i = indexOfSubList(l, x, i);
      if (i < 0)
        break;
      for (int j = 0; j < l(x); j++) l.remove(i);
      l.addAll(i, y);
      i += l(y);
    }
    return l;
  }

  public static <A> List<A> replaceSublist(List<A> l, int fromIndex, int toIndex, List<A> y) {
    removeSubList(l, fromIndex, toIndex);
    l.addAll(fromIndex, y);
    return l;
  }

  public static <A> int indexOfSubList(List<A> x, List<A> y) {
    return indexOfSubList(x, y, 0);
  }

  public static <A> int indexOfSubList(List<A> x, List<A> y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neq(x.get(i + j), y.get(j)))
        continue outer;
      return i;
    }
    return -1;
  }

  public static <A> int indexOfSubList(List<A> x, A[] y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neq(x.get(i + j), y[j]))
        continue outer;
      return i;
    }
    return -1;
  }

  public static void removeSubList(List l, int from, int to) {
    if (l != null)
      subList(l, from, to).clear();
  }

  public static void removeSubList(List l, int from) {
    if (l != null)
      subList(l, from).clear();
  }

  public abstract static class TokCondition {

    public abstract boolean get(List<String> tok, int i);
  }
}