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 x30_pkg.x30_util;
import static x30_pkg.x30_util.VF1;
import static x30_pkg.x30_util.l;
import static x30_pkg.x30_util.empty;
import static x30_pkg.x30_util.nempty;
import static x30_pkg.x30_util.fail;
import static x30_pkg.x30_util.indexOf;
import static x30_pkg.x30_util.getOpt;
import static x30_pkg.x30_util.setOpt;
import static x30_pkg.x30_util.callOpt;
import static x30_pkg.x30_util.newWeakHashMap;
import static x30_pkg.x30_util.newDangerousWeakHashMap;
import static x30_pkg.x30_util.get;
import static x30_pkg.x30_util.get_raw;
import static x30_pkg.x30_util.assertTrue;
import static x30_pkg.x30_util.isHeadless;
import static x30_pkg.x30_util.isAndroid;
import static x30_pkg.x30_util.isTrue;
import static x30_pkg.x30_util.asList;
import x30_pkg.x30_util.DynamicObject;
import loadableUtils.utils;
import static loadableUtils.utils.print_byThread;
import static loadableUtils.utils._threadInfo;
import static loadableUtils.utils._threadInheritInfo;
import static loadableUtils.utils._threadInfo_addMakerAndRetriever;
import static loadableUtils.utils.dm_currentModule;
import static loadableUtils.utils.dm_current_mandatory;
import static loadableUtils.utils.match;
import static loadableUtils.utils.getOpt_raw;
import static loadableUtils.utils.setOpt_raw;
import static loadableUtils.utils.getField;
import static loadableUtils.utils.fieldType;
import static loadableUtils.utils.format3;
import static loadableUtils.utils.vm_generalIdentityHashSet;
import static loadableUtils.utils.vm_generalHashMap;
import static loadableUtils.utils.vm_generalWeakSubMap;
import static loadableUtils.utils.bindToComponent;
import static loadableUtils.utils.struct;
import static loadableUtils.utils.structure;
import static loadableUtils.utils.loadPage;
import static loadableUtils.utils.loadPageSilentlyWithTimeout;
import static loadableUtils.utils.loadPageSilently;
import static loadableUtils.utils.loadSnippet;
import static loadableUtils.utils.loadSnippetQuietly;
import static loadableUtils.utils.sendToLocalBot;
import static loadableUtils.utils.componentPopupMenu;
import static loadableUtils.utils.componentPopupMenu_top;
import static loadableUtils.utils.componentPopupMenu_getEvent;
import static loadableUtils.utils.listPopupMenu;
import static loadableUtils.utils.tablePopupMenu;
import static loadableUtils.utils.sexyTableWithoutDrag;
import static loadableUtils.utils.dm_current_generic;
import static loadableUtils.utils.dm_current_mandatory_generic;
import static loadableUtils.utils.cset;
import static loadableUtils.utils.DynamicObject_loading;
import static loadableUtils.utils.concepts_unlisted;
import static loadableUtils.utils.makePopupMenuConditional;
import static loadableUtils.utils.makeConceptsTable_idWidth;
import static loadableUtils.utils.showConceptsTable_afterUpdate;
import static loadableUtils.utils.dynamicObjectIsLoading;
import loadableUtils.utils.F0;
import loadableUtils.utils.F1;
import loadableUtils.utils.Matches;
import loadableUtils.utils.BetterLabel;
import loadableUtils.utils.SingleComponentPanel;
import loadableUtils.utils.Snippet;
import loadableUtils.utils.Q;
import loadableUtils.utils.ImageSurface;
import loadableUtils.utils.structure_Data;
import loadableUtils.utils.RGBImage;
import loadableUtils.utils.BWImage;
import loadableUtils.utils.MakesBufferedImage;
import loadableUtils.utils.Concept;
import loadableUtils.utils.Concepts;
import loadableUtils.utils.IConceptIndex;
import loadableUtils.utils.IFieldIndex;
import loadableUtils.utils.Derefable;
import loadableUtils.utils.ImageSurfaceSelector;
import loadableUtils.utils.SimpleCRUD;
import loadableUtils.utils.PersistableThrowable;
import loadableUtils.utils.DynModule;
import loadableUtils.utils.DynPrintLog;
import loadableUtils.utils.DynObjectTable;
import loadableUtils.utils.DynImageSurface;
import loadableUtils.utils.DynCalculatedList;
import java.text.NumberFormat;
import javax.net.ssl.*;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.nio.file.Files;
import java.nio.file.Path;

class main {

  public static class Info {

    public String computerID;

    public String load;

    public String reactionTime;

    public Info() {
    }

    public Info(String computerID, String load, String reactionTime) {
      this.reactionTime = reactionTime;
      this.load = load;
      this.computerID = computerID;
    }

    public String toString() {
      return "Info(" + computerID + ", " + load + ", " + reactionTime + ")";
    }

    public boolean equals(Object o) {
      if (!(o instanceof Info))
        return false;
      Info x = (Info) o;
      return eq(computerID, x.computerID) && eq(load, x.load) && eq(reactionTime, x.reactionTime);
    }

    public int hashCode() {
      int h = 2283726;
      h = h * 2 + _hashCode(computerID);
      h = h * 2 + _hashCode(load);
      h = h * 2 + _hashCode(reactionTime);
      return h;
    }
  }

  public static boolean _moduleClass_GatherSystemLoads;

  public static class GatherSystemLoads extends DynObjectTable<Info> {

    public transient Map<String, Info> map = expiringMap(3600.0);

    public void start() {
      super.start();
      doEvery(1.0, 10.0, new Runnable() {

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

        public String toString() {
          return "gather();";
        }
      });
    }

    public void gather() {
      AutoCloseable __6 = enter();
      try {
        long _startTime_7 = sysNow();
        List<Info> l = new ArrayList();
        for (String computerID : dm_onlineComputers()) try {
          long time = sysNow();
          String doubleLoad = str(dm_evalOnOtherMachine_optimizeIfMe(computerID, "systemCPULoad()", "updateControllableFlag", false));
          String load = startsWithDigit(doubleLoad) ? toPercent(parseDouble(doubleLoad)) + " %" : "?";
          String reactionTime = elapsedMS(time) + " ms";
          if (mapPut_trueIfChanged(map, computerID, nu(Info.class, "computerID", computerID, "load", load, "reactionTime", reactionTime)))
            makeList();
        } catch (Throwable __e) {
          print(exceptionToStringShort(__e));
        }
        done2_always("Gather System Loads", _startTime_7);
      } finally {
        _close(__6);
      }
    }

    public void makeList() {
      setData(valuesList(map));
      addRowSorter_desc(table, 1);
      rowSorter_setComparatorForAllColumns(table, alphaNumComparator());
    }
  }

  public static Object callF(Object f, Object... args) {
    try {
      if (f instanceof String)
        return callMC((String) f, args);
      return x30_util.callF(f, args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

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

  public static Object callMC(String method, Object... args) {
    return call(mc(), method, args);
  }

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

  public static <A> A call(Object o, String method, Object... args) {
    return x30_util.call(o, method, args);
  }

  public static void _onLoad_initUtils() {
    utils.__javax = javax();
  }

  public static void _onLoad_defaultClassFinder() {
    setDefaultClassFinder(new F1<String, Class>() {

      public Class get(String name) {
        try {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
          if (startsWith(name, "main$"))
            return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + substring(name, 4));
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Class c = findClass_fullName(name);\r\n    if (c != null) ret c;\r\n    if (start...";
      }
    });
  }

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

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

  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_okInCleanUp();
    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(f instanceof F1 ? ((F1) f).get(s) : callF(f, s)))
        return;
    print_raw(s);
  }

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

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

  public static int _hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static <A, B> Map<A, B> expiringMap(long standardExpiryTime) {
    return syncExpiringMap(standardExpiryTime);
  }

  public static <A, B> Map<A, B> expiringMap(double standardExpirySeconds) {
    return syncExpiringMap(standardExpirySeconds);
  }

  public static FixedRateTimer doEvery(long delay, final Object r) {
    return doEvery(delay, delay, r);
  }

  public static FixedRateTimer doEvery(long delay, long firstDelay, final Object r) {
    FixedRateTimer timer = new FixedRateTimer(shorten(programID() + ": " + r, 80));
    timer.scheduleAtFixedRate(smartTimerTask(r, timer, toInt(delay)), toInt(firstDelay), toInt(delay));
    return timer;
  }

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

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

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

  public static long sysNow() {
    ping();
    return System.nanoTime() / 1000000;
  }

  public static List<String> dm_onlineComputers() {
    return dm_onlineComputerIDs();
  }

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

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

  public static Object dm_evalOnOtherMachine_optimizeIfMe(final String computerID, String code, Object... __) {
    boolean realEval = boolOptPar(__, "realEval"), fresh = boolOptPar(__, "fresh");
    if (!isMyComputerID(computerID))
      return dm_evalOnOtherMachineWithReturnValue(computerID, code, __);
    if (fresh) {
      dm_refreshTranspiler();
      loadFunctions_clearCache();
    }
    return realEval ? dm_javaEval(code) : dm_javaEvalOrInterpret(code);
  }

  public static boolean startsWithDigit(String s) {
    return nempty(s) && isDigit(s.charAt(0));
  }

  public static int toPercent(double ratio) {
    return toIntPercent(ratio);
  }

  public static double parseDouble(String s) {
    return Double.parseDouble(s);
  }

  public static long elapsedMS(long time) {
    ping();
    return sysNow() - time;
  }

  public static <A, B> boolean mapPut_trueIfChanged(Map<A, B> map, A key, B value) {
    if (map != null && key != null && value != null)
      if (eq(map.get(key), value))
        return false;
      else {
        map.put(key, value);
        return true;
      }
    return false;
  }

  public static <A> A nu(Class<A> c, Object... values) {
    A a = nuObject(c);
    setAll(a, values);
    return a;
  }

  public static JList makeList(String... strings) {
    JList list = new JList();
    fillListWithStrings(list, strings);
    return list;
  }

  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 long done2_always(long startTime, String desc) {
    long time = sysNow() - startTime;
    print(desc + " [" + time + " ms]");
    return time;
  }

  public static long done2_always(String desc, long startTime) {
    return done2_always(startTime, desc);
  }

  public static long done2_always(long startTime) {
    return done2_always(startTime, "");
  }

  public static void _close(AutoCloseable c) {
    if (c != null)
      try {
        c.close();
      } catch (Throwable e) {
        if (c instanceof javax.imageio.stream.ImageOutputStream)
          return;
        else
          throw rethrow(e);
      }
  }

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

  public static JTable addRowSorter_desc(final JTable table, final int column) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (table.getRowSorter() != null)
              return;
            TableRowSorter sorter = new TableRowSorter(table.getModel());
            try {
              sorter.setSortKeys(ll(new RowSorter.SortKey(column, SortOrder.DESCENDING)));
            } catch (Throwable __e) {
              _handleException(__e);
            }
            table.setRowSorter(sorter);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (table.getRowSorter() != null) return;\r\n    TableRowSorter sorter = new(ta...";
        }
      });
    }
    return table;
  }

  public static void rowSorter_setComparatorForAllColumns(JTable table, final Comparator comparator) {
    if (table == null)
      return;
    setTableModel_fixSorter.put(table, new VF2<JTable, RowSorter>() {

      public void get(JTable table, RowSorter sorter) {
        try {
          if (sorter instanceof TableRowSorter) {
            int n = tableColumnCount(table);
            for (int i = 0; i < n; i++) ((TableRowSorter) sorter).setComparator(i, comparator);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (sorter cast TableRowSorter) {\r\n      int n = tableColumnCount(table);\r\n  ...";
      }
    });
  }

  public static AlphanumComparator alphaNumComparator_instance;

  public static Comparator<String> alphaNumComparator() {
    if (alphaNumComparator_instance == null)
      alphaNumComparator_instance = new AlphanumComparator();
    return alphaNumComparator_instance;
  }

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

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

  public static void setDefaultClassFinder(Object cf) {
    _defaultClassFinder_value = cf;
  }

  public static HashMap<String, Class> findClass_fullName_cache = new HashMap();

  public static Class findClass_fullName(String name) {
    synchronized (findClass_fullName_cache) {
      if (findClass_fullName_cache.containsKey(name))
        return findClass_fullName_cache.get(name);
      Class c;
      try {
        c = Class.forName(name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_fullName_cache.put(name, c);
      return c;
    }
  }

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

  public static boolean startsWith(String a, char c) {
    return nemptyString(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, strL(b)) };
    return true;
  }

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

  public static String substring(String s, int x) {
    return substring(s, x, strL(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<JTable, VF1<JTable>> setTableModel_after = weakHashMap();

  public static Map<JTable, VF2<JTable, RowSorter>> setTableModel_fixSorter = weakHashMap();

  public static void setTableModel(final JTable table, final TableModel model) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            Map<String, Integer> widths = tableColumnWidthsByName(table);
            int[] i = table.getSelectedRows();
            TableRowSorter sorter = model.getColumnCount() == tableColumnCount(table) ? (TableRowSorter) table.getRowSorter() : null;
            List<? extends RowSorter.SortKey> sortKeys = sorter == null ? null : sorter.getSortKeys();
            table.setModel(model);
            int n = model.getRowCount();
            ListSelectionModel sel = table.getSelectionModel();
            for (int j = 0; j < i.length; j++) if (i[j] < n)
              sel.addSelectionInterval(i[j], i[j]);
            tableSetColumnPreferredWidths(table, widths);
            if (sorter != null) {
              sorter.setModel(model);
              callF(setTableModel_fixSorter.get(table), table, sorter);
              if (sortKeys != null)
                sorter.setSortKeys(sortKeys);
            }
            table.setRowSorter(sorter);
            callF(setTableModel_after.get(table), table);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "Map<String, Integer> widths = tableColumnWidthsByName(table);\r\n    int[] i = ...";
        }
      });
    }
  }

  public static Object _defaultClassFinder_value;

  public static Object _defaultClassFinder() {
    return _defaultClassFinder_value;
  }

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

  public static void ping_okInCleanUp() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
  }

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

  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 <A, B> Map<A, B> syncExpiringMap(long standardExpiryTime) {
    return new ExpiringMap2(standardExpiryTime);
  }

  public static <A, B> Map<A, B> syncExpiringMap(double standardExpirySeconds) {
    return syncExpiringMap(toMS(standardExpirySeconds));
  }

  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 TimerTask smartTimerTask(Object r, java.util.Timer timer, long delay) {
    return new SmartTimerTask(r, timer, delay, _threadInfo());
  }

  public static class SmartTimerTask extends TimerTask {

    public static String _fieldOrder = "r timer delay threadInfo lastRun";

    public Object r;

    public java.util.Timer timer;

    public long delay;

    public Object threadInfo;

    public SmartTimerTask() {
    }

    public SmartTimerTask(Object r, java.util.Timer timer, long delay, Object threadInfo) {
      this.threadInfo = threadInfo;
      this.delay = delay;
      this.timer = timer;
      this.r = r;
    }

    public String toString() {
      return "SmartTimerTask(" + r + ", " + timer + ", " + delay + ", " + threadInfo + ")";
    }

    public long lastRun;

    public void run() {
      if (!licensed())
        timer.cancel();
      else {
        _threadInheritInfo(threadInfo);
        AutoCloseable __90 = tempActivity(r);
        try {
          lastRun = fixTimestamp(lastRun);
          long now = now();
          if (now >= lastRun + delay * 0.9) {
            lastRun = now;
            if (eq(false, pcallF(r)))
              timer.cancel();
          }
        } finally {
          _close(__90);
        }
      }
    }
  }

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

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

  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 ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();

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

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

  public static List<String> dm_onlineComputerIDs() {
    return dm_callModule(dm_requireOnlineComputersModule(), "onlineComputerIDs");
  }

  public static boolean boolOptPar(ThreadLocal<Boolean> tl) {
    return boolOptParam(tl);
  }

  public static boolean boolOptPar(Object[] __, String name) {
    return boolOptParam(__, name);
  }

  public static boolean boolOptPar(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static boolean isMyComputerID(String id) {
    return eq(id, computerID());
  }

  public static long dm_evalOnOtherMachineWithReturnValue_timeout = 60000;

  public static Object dm_evalOnOtherMachineWithReturnValue(final String computerID, String code, Object... __) {
    final String id = aGlobalID();
    final Var<Either<Object, String>> var = new Var();
    AutoCloseable __12 = vmBus_onMessage("gotFromPrivateChat", new VF2<String, String>() {

      public void get(String sender, String msg) {
        try {
          if (var.has() || neq(sender, computerID))
            return;
          Matches m = new Matches();
          if (!startsWith(msg, "done " + id + " ", m))
            return;
          if (neq(getAuthorOfSignedText(msg), computerID))
            return;
          String s = firstLine(m.rest());
          if (startsWith(s, "direct: ", m))
            var.set((Either) eitherA(m.rest()));
          else if (startsWith(s, "quoted: ", m))
            var.set((Either) eitherA(unquote(m.rest())));
          else if (startsWith(s, "base64: ", m))
            var.set((Either) eitherA(base64decode(m.rest())));
          else if (startsWith(s, "error: ", m))
            var.set((Either) eitherB(m.rest()));
          else
            var.set((Either) eitherB("unknown mode"));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (var.has() || neq(sender, computerID)) ret;\r\n    new Matches m;\r\n    if (!...";
      }
    });
    try {
      dm_privateChat_sendSigned(computerID, computerID + " eval " + (boolOptPar(__, "realEval") ? "real " : "") + (boolOptPar(__, "fresh") ? "fresh " : "") + id + ": " + code);
      Either<Object, String> e = waitForVarToBeNotNullWithTimeout(var, dm_evalOnOtherMachineWithReturnValue_timeout);
      if (boolPar("updateControllableFlag", __))
        dm_pcall("controllableComputerList", "setControllableByMe", computerID, eitherIsA(e));
      if (e == null)
        throw fail("timeout");
      if (eitherIsB(e))
        throw fail(eitherGetB(e));
      return eitherGetA(e);
    } finally {
      _close(__12);
    }
  }

  public static void dm_refreshTranspiler() {
    call(dm_moduleOfType("#1017065/Transpiler"), "refresh");
  }

  public static void loadFunctions_clearCache() {
    call(getOptMC("loadFunctions_cache"), "clear");
  }

  public static Object dm_javaEval(String expression) {
    return dm_evalJava_withModule(expression);
  }

  public static Object dm_javaEvalOrInterpret(String code) {
    final Object module = dm_current_mandatory_generic();
    code = trim(code);
    if (canQuickEval(code))
      return quickEval(code);
    Pair<String, List<String>> p = tok_parseFunctionCall(code);
    if (p != null) {
      makeAndCall_initChild.set(new F1<Class, AutoCloseable>() {

        public AutoCloseable get(Class c) {
          try {
            shareMyCreatorWith(c);
            InheritableThreadLocal<WeakReference> tl = getOpt(c, "dm_currentModule_generic");
            return tempSetTL(tl, weakRef(module));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "shareMyCreatorWith(c);\r\n      InheritableThreadLocal<WeakReference> tl = getO...";
        }
      });
      return callAndMake(p.a, toObjectArray(map("javaEvalOrInterpret", p.b)));
    }
    return dm_javaEval(code);
  }

  public static boolean isDigit(char c) {
    return Character.isDigit(c);
  }

  public static int toIntPercent(double ratio) {
    return roundToInt(ratio * 100);
  }

  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 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 void fillListWithStrings(final JList list, List<String> contents) {
    if (list == null)
      return;
    final DefaultListModel model = new DefaultListModel();
    if (contents != null)
      for (String s : contents) model.addElement(empty(s) ? " " : s);
    {
      swing(new Runnable() {

        public void run() {
          try {
            list.setModel(model);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "list.setModel(model);";
        }
      });
    }
  }

  public static void fillListWithStrings(final JList list, String[] contents) {
    fillListWithStrings(list, asList(contents));
  }

  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) {
    if (e == null)
      return null;
    while (e.getCause() != null) e = e.getCause();
    return e;
  }

  public static Throwable getInnerException(Runnable r) {
    return getInnerException(getException(r));
  }

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

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

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

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

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

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

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

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

  public static <A> ArrayList<A> emptyList(Class<A> c) {
    return new ArrayList();
  }

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

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

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

  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 volatile PersistableThrowable _handleException_lastException;

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

  public static void _handleException(Throwable e) {
    _handleException_lastException = persistableThrowable(e);
    Throwable e2 = innerException(e);
    if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
      return;
    for (Object f : cloneList(_handleException_onException)) try {
      callF(f, e);
    } catch (Throwable e3) {
      printStackTrace2(e3);
    }
  }

  public static int tableColumnCount(JTable table) {
    return tableNumColumns(table);
  }

  public static Class __javax;

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

  public static boolean nemptyString(String s) {
    return s != null && s.length() > 0;
  }

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

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

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

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

  public static Map<String, Integer> tableColumnWidthsByName(JTable table) {
    TableColumnModel tcm = table.getColumnModel();
    if (tcm == null)
      return null;
    int n = tcm.getColumnCount();
    TreeMap<String, Integer> map = new TreeMap();
    for (int i = 0; i < n; i++) {
      TableColumn tc = tcm.getColumn(i);
      map.put(str(tc.getHeaderValue()), tc.getWidth());
    }
    return map;
  }

  public static boolean tableSetColumnPreferredWidths_debug;

  public static void tableSetColumnPreferredWidths(final JTable table, final Map<String, Integer> widths) {
    if (table == null || widths == null)
      return;
    {
      swing(new Runnable() {

        public void run() {
          try {
            try {
              TableColumnModel tcm = table.getColumnModel();
              int n = tcm.getColumnCount();
              for (int i = 0; i < n; i++) {
                TableColumn tc = tcm.getColumn(i);
                Integer w = widths.get(str(tc.getHeaderValue()));
                if (w != null) {
                  tc.setPreferredWidth(w);
                  if (tableSetColumnPreferredWidths_debug)
                    print("Setting preferred width of column " + i + " to " + w);
                }
              }
            } catch (Throwable __e) {
              _handleException(__e);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "pcall {\r\n    TableColumnModel tcm = table.getColumnModel();\r\n    int n = tcm....";
        }
      });
    }
  }

  public static void tableSetColumnPreferredWidths(JTable table, Object... widths) {
    tableSetColumnPreferredWidths(table, litorderedmap(widths));
  }

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

  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 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 volatile boolean licensed_yes = true;

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

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

  public static AutoCloseable tempActivity(Object r) {
    return null;
  }

  public static long fixTimestamp(long timestamp) {
    return timestamp > now() ? 0 : timestamp;
  }

  public static long now_virtualTime;

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

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

  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 String getClassName(Object o) {
    return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().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 void failIfUnlicensed() {
    assertTrue("license off", licensed());
  }

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

  public static <A> A dm_callModule(Object moduleOrID, String method, Object... args) {
    Object mod = dm_getModule(moduleOrID);
    if (mod == null)
      return null;
    AutoCloseable __205 = dm_enter(mod);
    try {
      return call(mod, method, args);
    } finally {
      _close(__205);
    }
  }

  public static String dm_requireOnlineComputersModule() {
    return dm_requireModule("#1016578/AllOnlineComputers");
  }

  public static boolean boolOptParam(ThreadLocal<Boolean> tl) {
    return isTrue(optPar(tl));
  }

  public static boolean boolOptParam(Object[] __, String name) {
    return isTrue(optParam(__, name));
  }

  public static boolean boolOptParam(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static String _computerID;

  public static Lock computerID_lock = lock();

  public static String computerID() {
    if (_computerID == null) {
      Lock __212 = computerID_lock;
      lock(__212);
      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, new SecureRandom());
          saveTextFile(file, _computerID);
        }
      } finally {
        unlock(__212);
      }
    }
    return _computerID;
  }

  public static String aGlobalID() {
    return randomID(globalIDLength());
  }

  public static <A> AutoCloseable vmBus_onMessage(final String msg, final VF1<A> onMessage) {
    Map<String, Set> map = vm_busListenersByMessage_live();
    synchronized (map) {
      Set listeners = map.get(msg);
      if (listeners == null)
        map.put(msg, listeners = syncIdentityHashSet());
      return tempAdd(listeners, new VF2<String, Object>() {

        public void get(String _msg, Object arg) {
          try {
            callF(onMessage, arg);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callF(onMessage, arg)";
        }
      });
    }
  }

  public static <A, B> AutoCloseable vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
    return vmBus_onMessage(msg, new VF1<Object[]>() {

      public void get(Object[] o) {
        try {
          callF(onMessage, first(o), second(o));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(onMessage, first(o), second(o));";
      }
    });
  }

  public static AutoCloseable vmBus_onMessage(String msg, Runnable onMessage) {
    return vmBus_onMessage(msg, runnableToVF1(onMessage));
  }

  public static boolean getAuthorOfSignedText_debug;

  public static String getAuthorOfSignedText(String signed) {
    return pairB(getAuthorOfSignedText2(signed));
  }

  public static Pair<String, String> getAuthorOfSignedText2(String signed) {
    try {
      List<String> lines = toLines(signed);
      String authorLine = nextToLast(lines);
      String sigLine = last(lines);
      if (getAuthorOfSignedText_debug)
        print("authorLine: " + authorLine);
      String text = fromLines(dropLast(lines));
      if (!startsWith(authorLine, "-"))
        return null;
      String author = dropPrefix("-", authorLine);
      author = beforeComma(author);
      if (!isComputerID(author))
        throw fail("Not a computer ID: " + author);
      String publicKey = getPublicKeyOfComputer(author);
      if (publicKey == null)
        throw fail("Computer " + author + " has to publish a public key.");
      if (!startsWith(sigLine, "sig: "))
        return null;
      String sig = dropPrefix("sig: ", sigLine);
      if (!PKI.verifySignature(PKI.publicKeyFromString(publicKey), PKI.signatureFromString(sig), toUtf8(text))) {
        print("Signature doesn't verify");
        return pair(author, null);
      }
      return pair(author, author);
    } catch (RuntimeException e) {
      printShortException(e);
      return null;
    }
  }

  public static String firstLine(String text) {
    if (text == null)
      return null;
    int i = text.indexOf('\n');
    return i >= 0 ? text.substring(0, i) : text;
  }

  public static <A, B> Either<A, B> eitherA(A a) {
    return new Either(1, a);
  }

  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 byte[] base64decode(String s) {
    byte[] alphaToInt = base64decode_base64toint;
    int sLen = s.length();
    int numGroups = sLen / 4;
    if (4 * numGroups != sLen)
      throw new IllegalArgumentException("String length must be a multiple of four.");
    int missingBytesInLastGroup = 0;
    int numFullGroups = numGroups;
    if (sLen != 0) {
      if (s.charAt(sLen - 1) == '=') {
        missingBytesInLastGroup++;
        numFullGroups--;
      }
      if (s.charAt(sLen - 2) == '=')
        missingBytesInLastGroup++;
    }
    byte[] result = new byte[3 * numGroups - missingBytesInLastGroup];
    int inCursor = 0, outCursor = 0;
    for (int i = 0; i < numFullGroups; i++) {
      int ch0 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch1 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch2 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch3 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      result[outCursor++] = (byte) ((ch0 << 2) | (ch1 >> 4));
      result[outCursor++] = (byte) ((ch1 << 4) | (ch2 >> 2));
      result[outCursor++] = (byte) ((ch2 << 6) | ch3);
    }
    if (missingBytesInLastGroup != 0) {
      int ch0 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch1 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      result[outCursor++] = (byte) ((ch0 << 2) | (ch1 >> 4));
      if (missingBytesInLastGroup == 1) {
        int ch2 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
        result[outCursor++] = (byte) ((ch1 << 4) | (ch2 >> 2));
      }
    }
    return result;
  }

  public static int base64decode_base64toint(char c, byte[] alphaToInt) {
    int result = alphaToInt[c];
    if (result < 0)
      throw new IllegalArgumentException("Illegal character " + c);
    return result;
  }

  public static final byte[] base64decode_base64toint = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 };

  public static <A, B> Either<A, B> eitherB(B b) {
    return new Either(2, b);
  }

  public static void dm_privateChat_sendSigned(String receiver, String msg) {
    call(dm_getModule(dm_privateChat()), "postMsg", receiver, msg, true);
  }

  public static <A> A waitForVarToBeNotNullWithTimeout(Var<A> v, long timeout) {
    waitForVarToChange_withTimeout(v, null, timeout);
    return v.get();
  }

  public static boolean boolPar(ThreadLocal<Boolean> tl) {
    return boolOptParam(tl);
  }

  public static boolean boolPar(Object[] __, String name) {
    return boolOptParam(__, name);
  }

  public static boolean boolPar(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static boolean boolPar(String name, Object[] params, boolean defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static <A> A dm_pcall(Object moduleOrID, String method, Object... args) {
    try {
      return dm_call(moduleOrID, method, args);
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A, B> boolean eitherIsA(Either<A, B> e) {
    return e != null && e.isA();
  }

  public static <A, B> boolean eitherIsB(Either<A, B> e) {
    return e != null && e.isB();
  }

  public static <A, B> B eitherGetB(Either<A, B> e) {
    return eitherBOpt(e);
  }

  public static <A, B> A eitherGetA(Either<A, B> e) {
    return eitherAOpt(e);
  }

  public static Object dm_moduleOfType(String type) {
    return first(dm_modulesOfType(type));
  }

  public static Object getOptMC(String field) {
    return getOpt(mc(), field);
  }

  public static Object dm_evalJava_withModule(String expression, Object... args) {
    Object m = dm_current_mandatory_generic();
    String code = evalJava_prep(expression) + "\r\n    sO dm_current_mandatory_generic_value;\r\n    \r\n    sO dm_current_mandatory_generic() { ret dm_current_mandatory_generic_value; }\r\n    sO dm_current_generic() { ret dm_current_mandatory_generic(); }\r\n  ";
    Object obj = veryQuickJava(code);
    setOpt(obj, "programID", programID());
    makeDependent(obj);
    setOpt(obj, "creator_class", newWeakReference(dm_os()));
    set(obj, "dm_current_mandatory_generic_value", m);
    return evalJava_myProgramID_main_2(obj, args);
  }

  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 boolean canQuickEval(String t) {
    return isQuoted(t) || isIdentifier(t) || isInteger(t) || isSnippetID(t);
  }

  public static Object quickEval(String t) {
    if (isQuoted(t))
      return unquote(t);
    if (isInteger(t))
      return parseInt(t);
    if (isLongConstant(t))
      return parseLong(t);
    if (eq(t, "null"))
      return null;
    if (eq(t, "false"))
      return false;
    if (eq(t, "true"))
      return true;
    if (isIdentifier(t))
      return getMC(t);
    if (isSnippetID(t))
      return t;
    throw quickFail("Can't quick eval: " + t);
  }

  public static Pair<String, List<String>> tok_parseFunctionCall(String s) {
    return tok_parseFunctionCall(javaTok(s));
  }

  public static Pair<String, List<String>> tok_parseFunctionCall(List<String> tok) {
    if (!(isIdentifier(get(tok, 1)) && eqGet(tok, 3, "(")))
      return null;
    Map<Integer, Integer> bracketMap = getBracketMap(tok);
    Integer iClosing = bracketMap.get(3);
    if (!(eq(iClosing, l(tok) - 4) && eqGet(tok, l(tok) - 2, ";")) && neq(iClosing, l(tok) - 2))
      return null;
    int i = 5, argStart = 5;
    List<String> args = new ArrayList();
    while (i < iClosing) {
      Integer j = bracketMap.get(i);
      if (j != null) {
        i = j + 2;
        continue;
      }
      if (eqGetOneOf(tok, i, ",")) {
        if (i > argStart)
          args.add(trimJoinSubList(tok, argStart, i));
        argStart = i + 2;
      }
      i += 2;
    }
    if (i > argStart)
      args.add(trimJoinSubList(tok, argStart, i));
    return pair(tok.get(1), args);
  }

  public static void shareMyCreatorWith(Object o) {
    setCreatorTo(o, creator());
  }

  public static <A> AutoCloseable tempSetTL(ThreadLocal<A> tl, A a) {
    return tempSetThreadLocal(tl, a);
  }

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

  public static Object callAndMake(String functionName, Object... args) {
    return callAndMake_orDirect(functionName, args);
  }

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

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

  public static <A, B> List<B> map(F1<A, B> f, Iterable<A> 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 Object javaEvalOrInterpret(String code) {
    if (!canJavaInterpret(code))
      return javaEval(code);
    if (canQuickEval(code))
      return quickEval(code);
    Pair<String, List<String>> p = tok_parseFunctionCall(code);
    if (p != null)
      return callAndMake(p.a, toObjectArray(map("javaEvalOrInterpret", p.b)));
    return javaEval(code);
  }

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

  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 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 <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 void set(Object o, String field, Object value) {
    if (o == null)
      return;
    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) {
    if (c == null)
      return;
    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 PersistableThrowable persistableThrowable(Throwable e) {
    return e == null ? null : new PersistableThrowable(e);
  }

  public static Throwable getException(Runnable r) {
    try {
      callF(r);
      return null;
    } catch (Throwable e) {
      return e;
    }
  }

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

  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 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 <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 Throwable innerException(Throwable e) {
    return getInnerException(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 int tableNumColumns(final JTable table) {
    return swing(new F0<Integer>() {

      public Integer get() {
        try {
          return table.getColumnCount();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret table.getColumnCount();";
      }
    });
  }

  public static String getStackTrace2(Throwable e) {
    return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(innerException2(e)))) + "\n");
  }

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

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

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

  public static Object dm_getModule(Object moduleOrID) {
    if (moduleOrID == null || eq(moduleOrID, ""))
      return null;
    if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
      return dm_getService(((String) moduleOrID));
    if (isStringOrIntOrLong(moduleOrID))
      return dm_callOS("getDynModuleByID", str(moduleOrID));
    return dm_resolveModule(moduleOrID);
  }

  public static AutoCloseable dm_enter(Object mod) {
    return (AutoCloseable) callOpt(dm_getModule(mod), "enter");
  }

  public static String dm_requireModule(String moduleLibID) {
    return dm_makeModule(moduleLibID);
  }

  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 <A> A optPar(Object[] params, String name) {
    return optParam(params, name);
  }

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

  public static <A> A optPar(Object[] params, String name, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static <A> A optPar(String name, Object[] params, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

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

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

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

  public static String makeRandomID(int length) {
    return makeRandomID(length, defaultRandomGenerator());
  }

  public static String makeRandomID(int length, Random 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);
      vmBus_send("wroteFile", 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 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 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 Map<String, Set> vm_busListenersByMessage_live_cache;

  public static Map<String, Set> vm_busListenersByMessage_live() {
    if (vm_busListenersByMessage_live_cache == null)
      vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load();
    return vm_busListenersByMessage_live_cache;
  }

  public static Map<String, Set> vm_busListenersByMessage_live_load() {
    return vm_generalHashMap("busListenersByMessage");
  }

  public static <A> Set<A> syncIdentityHashSet() {
    return (Set) synchronizedSet(identityHashSet());
  }

  public static <A> AutoCloseable tempAdd(final Collection<A> l, final A a) {
    if (l == null || l.contains(a))
      return null;
    l.add(a);
    return new AutoCloseable() {

      public String toString() {
        return "l.remove(a);";
      }

      public void close() throws Exception {
        l.remove(a);
      }
    };
  }

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

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

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

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

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

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

  public static <A> A third(List<A> l) {
    return _get(l, 2);
  }

  public static <A> A third(A[] bla) {
    return bla == null || bla.length <= 2 ? null : bla[2];
  }

  public static <A> VF1<A> runnableToVF1(final Runnable r) {
    return r == null ? null : new VF1<A>() {

      public void get(A a) {
        try {
          r.run();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "r.run()";
      }
    };
  }

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

  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 <A> A nextToLast(List<A> l) {
    return get(l, l(l) - 2);
  }

  public static <A> A last(List<A> l) {
    return empty(l) ? null : l.get(l.size() - 1);
  }

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

  public static int last(int[] a) {
    return l(a) != 0 ? a[l(a) - 1] : 0;
  }

  public static <A> A last(A[] a) {
    return l(a) != 0 ? a[l(a) - 1] : null;
  }

  public static <A> A last(Iterator<A> it) {
    A a = null;
    while (it.hasNext()) {
      ping();
      a = it.next();
    }
    return a;
  }

  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 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 dropPrefix(String prefix, String s) {
    return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
  }

  public static String beforeComma(String s) {
    return substring(s, 0, smartIndexOf(s, ','));
  }

  public static boolean isComputerID(String s) {
    return isRandomID(s, 12);
  }

  public static String getPublicKeyOfComputer(String computer) {
    if (!isComputerID(computer))
      return null;
    if (eq(computer, computerID()))
      return getMyPublicKey();
    return mechMap("Computer Public Keys").get(computer);
  }

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

  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 void printShortException(Throwable e) {
    print(exceptionToStringShort(e));
  }

  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 String dm_privateChat() {
    return dm_requireModule("#1019644/PrivateChat");
  }

  public static <A> boolean waitForVarToChange_withTimeout(Var<A> v, A knownValue, long timeout) {
    try {
      synchronized (v) {
        long destTime = sysNow() + timeout, remainingTime;
        while ((remainingTime = destTime - sysNow()) > 0) {
          if (neq(knownValue, v.get()))
            return true;
          v.wait(remainingTime);
        }
        return false;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A dm_call(Object moduleOrID, String method, Object... args) {
    Object mod = dm_getModule(moduleOrID);
    if (mod == null)
      return null;
    AutoCloseable __384 = dm_enter(mod);
    try {
      return (A) call(mod, method, args);
    } finally {
      _close(__384);
    }
  }

  public static <A, B> B eitherBOpt(Either<A, B> e) {
    return e != null && e.isB() ? e.b() : null;
  }

  public static <A, B> A eitherAOpt(Either<A, B> e) {
    return e != null && e.isA() ? e.a() : null;
  }

  public static List dm_modulesOfType(String type) {
    List<String> l = splitAtSlash(type);
    if (l(l) == 2)
      return filterByProgramIDAndShortClassName(dm_listModules(), first(l), second(l));
    else
      return filterByShortClassName(dm_listModules(), type);
  }

  public static String evalJava_prep(String code) {
    return evalJava_prep(code, "calc");
  }

  public static String evalJava_prep(String code, String mainName) {
    return evalJava_prep(code, mainName, "");
  }

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

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

  public static String evalJava_prep(String code, String mainName, String preCode) {
    List<String> tok = javaTok(trim(code));
    if (!isFalse(evalJava_prep_voidMagic.get()) && tok_shouldAddReturn(tok) && eqGet(tok, 3, "(") && isIdentifier(get(tok, 1)) && isKnownVoidFunction(get(tok, 1)))
      tokAppend_reTok(tok, l(tok) - 2, ";");
    code = tok_addReturn(tok);
    String returnType = containsReturnWithArgument(code) ? "O" : "void";
    String main = "static " + returnType + " " + mainName + "(" + unnull(evalJava_prep_args.get()) + ") throws Exception { " + preCode + code + "\n" + "}";
    return main;
  }

  public static Class veryQuickJava(CharSequence mainJava) {
    return veryQuickJava3(str(mainJava));
  }

  public static Object makeDependent_postProcess;

  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);
    callF(makeDependent_postProcess, c);
  }

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

  public static Object dm_os() {
    return creator();
  }

  public static ThreadLocal<Long> evalJava_myProgramID_main_time = new ThreadLocal();

  public static Object evalJava_myProgramID_main(String main, Object... args) {
    Object obj = veryQuickJava(main);
    setOpt(obj, "programID", programID());
    makeDependent(obj);
    return evalJava_myProgramID_main_2(obj, args);
  }

  public static Object evalJava_myProgramID_main_2(Object obj, Object... args) {
    long time = sysNow();
    try {
      return callCalc(obj, args);
    } finally {
      evalJava_myProgramID_main_time.set(sysNow() - time);
    }
  }

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

  public static boolean isIdentifier(String s) {
    return isJavaIdentifier(s);
  }

  public static boolean isInteger(String s) {
    int n = l(s);
    if (n == 0)
      return false;
    int i = 0;
    if (s.charAt(0) == '-')
      if (++i >= n)
        return false;
    while (i < n) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static boolean isLongConstant(String s) {
    if (!s.endsWith("L"))
      return false;
    s = s.substring(0, l(s) - 1);
    return isInteger(s);
  }

  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 Object getMC(String field) {
    return get(mc(), field);
  }

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

  public static RuntimeException quickFail(Throwable e) {
    throw asQuickException(e);
  }

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

  public static RuntimeException quickFail(String msg) {
    throw new QuickException(unnull(msg));
  }

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

  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 eqGet(List l, int i, Object o) {
    return eq(get(l, i), o);
  }

  public static <A, B> boolean eqGet(Map<A, B> map, A key, Object o) {
    return eq(mapGet(map, key), o);
  }

  public static Map<Integer, Integer> getBracketMap(List tok) {
    return getBracketMap(tok, getBracketMap_opening, getBracketMap_closing);
  }

  public static Map<Integer, Integer> getBracketMap(List tok, Collection<String> opening, Collection<String> closing) {
    return getBracketMap(tok, opening, closing, 0, l(tok));
  }

  public static Map<Integer, Integer> getBracketMap(List tok, Collection<String> opening, Collection<String> closing, int from, int to) {
    TreeMap<Integer, Integer> map = new TreeMap();
    List<Integer> stack = new ArrayList();
    for (int i = from | 1; i < to; i += 2) {
      if (opening.contains(tok.get(i)))
        stack.add(i);
      else if (closing.contains(tok.get(i))) {
        if (!empty(stack))
          map.put(liftLast(stack), i);
      }
    }
    return map;
  }

  public static Set<String> getBracketMap_opening = lithashset("{", "(");

  public static Set<String> getBracketMap_closing = lithashset("}", ")");

  public static <A> boolean eqGetOneOf(List<A> l, int i, A... options) {
    return eqOneOf(get(l, i), options);
  }

  public static String trimJoinSubList(List<String> l, int i, int j) {
    return trim(join(subList(l, i, j)));
  }

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

  public static void setCreatorTo(Object o, Object creator) {
    setOpt(o, "creator_class", newWeakReference(creator));
  }

  public static WeakReference<Object> creator_class;

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

  public static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
    if (tl == null)
      return null;
    final A prev = setThreadLocal(tl, a);
    return new AutoCloseable() {

      public String toString() {
        return "tl.set(prev);";
      }

      public void close() throws Exception {
        tl.set(prev);
      }
    };
  }

  public static Object callAndMake_orDirect(String functionName, List args) {
    return callAndMake_orDirect(functionName, toObjectArray(args));
  }

  public static Object callAndMake_orDirect(String functionName, Object... args) {
    if (functionName == null)
      return null;
    if (hasMethod(mc(), functionName, args))
      return callMC(functionName, args);
    else
      return makeAndCall_cached(functionName, args);
  }

  public static boolean canJavaInterpret(String code) {
    if (canQuickEval(code))
      return true;
    Pair<String, List<String>> p = tok_parseFunctionCall(code);
    if (p == null)
      return false;
    for (String arg : p.b) if (!canJavaInterpret(arg))
      return false;
    return true;
  }

  public static Object javaEval(String code) {
    return evalJava(code);
  }

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

  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 (ClassNotFoundException e) {
      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;
      }
      try {
        if (f.getType() == Concept.Ref.class) {
          f.set(o, ((Concept) o).new Ref((Concept) value));
          return;
        }
        if (o instanceof Concept.Ref) {
          f.set(o, ((Concept.Ref) o).get());
          return;
        }
      } catch (Throwable _e) {
      }
      throw e;
    }
  }

  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 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 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 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 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 Throwable innerException2(Throwable e) {
    if (e == null)
      return null;
    while (empty(e.getMessage()) && e.getCause() != null) e = e.getCause();
    return e;
  }

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

  public static boolean isString(Object o) {
    return o instanceof String;
  }

  public static Object dm_getService(String serviceName) {
    return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName)));
  }

  public static boolean isStringOrIntOrLong(Object o) {
    return o instanceof String || o instanceof Integer || o instanceof Long;
  }

  public static <A> A dm_callOS(String functionName, Object... args) {
    return (A) call(dm_os(), functionName, args);
  }

  public static Object dm_resolveModule(Object moduleOrStem) {
    return dm_callOS("resolveModule", moduleOrStem);
  }

  public static String dm_makeModule(String moduleLibID) {
    return (String) callCreator("makeModule", moduleLibID);
  }

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

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

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

  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... subs) {
    return newFile(javaxDataDir(), subs);
  }

  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 Random defaultRandomGenerator() {
    return ThreadLocalRandom.current();
  }

  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 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 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 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 vmBus_send(String msg, Object... args) {
    Object arg = empty(args) ? null : l(args) == 1 ? args[0] : args;
    pcallFAll(vm_busListeners_live(), msg, arg);
    pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static void vmBus_send(String msg) {
    vmBus_send(msg, (Object) null);
  }

  public static <A> Set<A> synchronizedSet() {
    return synchroHashSet();
  }

  public static <A> Set<A> synchronizedSet(Set<A> set) {
    return Collections.synchronizedSet(set);
  }

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

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

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

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

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

  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 <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) {
    if (l == null)
      return null;
    startIndex = Math.max(0, startIndex);
    endIndex = Math.min(l(l), endIndex);
    if (startIndex >= endIndex)
      return ll();
    return l.subList(startIndex, endIndex);
  }

  public static int smartIndexOf(String s, String sub, int i) {
    if (s == null)
      return 0;
    i = s.indexOf(sub, min(i, l(s)));
    return i >= 0 ? i : l(s);
  }

  public static int smartIndexOf(String s, int i, char c) {
    return smartIndexOf(s, c, i);
  }

  public static int smartIndexOf(String s, char c, int i) {
    if (s == null)
      return 0;
    i = s.indexOf(c, min(i, l(s)));
    return i >= 0 ? i : l(s);
  }

  public static int smartIndexOf(String s, String sub) {
    return smartIndexOf(s, sub, 0);
  }

  public static int smartIndexOf(String s, char c) {
    return smartIndexOf(s, c, 0);
  }

  public static <A> int smartIndexOf(List<A> l, A sub) {
    return smartIndexOf(l, sub, 0);
  }

  public static <A> int smartIndexOf(List<A> l, int start, A sub) {
    return smartIndexOf(l, sub, start);
  }

  public static <A> int smartIndexOf(List<A> l, A sub, int start) {
    int i = indexOf(l, sub, start);
    return i < 0 ? l(l) : i;
  }

  public static boolean isRandomID(String s, int len) {
    if (l(s) != len)
      return false;
    for (int i = 0; i < len; i++) if (!Character.isLetter(s.charAt(i)))
      return false;
    return true;
  }

  public static String getMyPublicKey() {
    return PKI.publicKeyToString(PKI.getStandardPublicKey());
  }

  public static Map<String, String> mechMap(String listName) {
    return mechMapCI(listName);
  }

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

  public static List<String> splitAtSlash(String s) {
    return trimAll(asList(s.split("/")));
  }

  public static List filterByProgramIDAndShortClassName(Iterable l, String progID, String className) {
    List out = new ArrayList();
    for (Object o : unnull(l)) if (shortClassNameIs(o, className) && sameSnippetID(getProgramID(o), progID))
      out.add(o);
    return out;
  }

  public static List dm_listModules() {
    return callCreator("listModules");
  }

  public static List filterByShortClassName(Iterable l, String name) {
    List out = new ArrayList();
    for (Object o : unnull(l)) if (shortClassNameIs(o, name))
      out.add(o);
    return out;
  }

  public static boolean tok_shouldAddReturn(List<String> tok) {
    String lastToken = get(tok, l(tok) - 2);
    return !eqOneOf(lastToken, "}", ";");
  }

  public static boolean tok_shouldAddReturn(String s) {
    return tok_shouldAddReturn(javaTok(s));
  }

  public static boolean isKnownVoidFunction(String name) {
    return standardFunctionAlwaysReturnsVoid(name);
  }

  public static void tokAppend_reTok(List<String> tok, int i, String s) {
    tok.set(i, tok.get(i) + s);
    reTok(tok, i, i + 1);
  }

  public static String tok_addReturn(List<String> tok) {
    if (tok_shouldAddReturn(tok)) {
      tokPrepend(tok, 1, "ret ");
      tokAppend(tok, l(tok) - 2, ";");
    }
    return join(tok);
  }

  public static String tok_addReturn(String s) {
    return tok_addReturn(javaTok(s));
  }

  public static boolean containsReturnWithArgument(List<String> tok) {
    for (int i = 1; i + 2 < l(tok); i += 2) if (eqOneOf(tok.get(i), "ret", "return") && neq(tok.get(i + 2), ";"))
      return true;
    return false;
  }

  public static boolean containsReturnWithArgument(String code) {
    return containsReturnWithArgument(javaTok(code));
  }

  public static boolean veryQuickJava_silent = true;

  public static boolean veryQuickJava_useCompilerBot = true;

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

  public static Object veryQuickJava3_cacheFunction;

  public static Class veryQuickJava3(String mainJava) {
    return veryQuickJava3(mainJava, emptyList());
  }

  public static Class veryQuickJava3(String mainJava, List<String> libs) {
    Class c = (Class) (callF(veryQuickJava3_cacheFunction, mainJava, libs));
    if (c != null)
      return c;
    transpileRaw_silent = veryQuickJava_silent;
    String src = transpileRaw(mainJava);
    if (veryQuickJava_transpiled.get() != null)
      veryQuickJava_transpiled.set(src);
    return veryQuickJava_finish(src, libs);
  }

  public static List<Class> dependentClasses() {
    return cleanUpAndGetWeakReferencesList(hotwire_classes);
  }

  public static Object callCalc(Object o, Object... args) {
    return call(o, "calc", args);
  }

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

  public static RuntimeException asQuickException(Throwable t) {
    return t instanceof RuntimeException ? (RuntimeException) t : new QuickException(t);
  }

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

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

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

  public static <A> String join(Iterable<A> 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 <A, B> B mapGet(Map<A, B> map, A a) {
    return map == null || a == null ? null : map.get(a);
  }

  public static <A, B> B mapGet(A a, Map<A, B> map) {
    return map == null || a == null ? null : map.get(a);
  }

  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 <A> HashSet<A> lithashset(A... items) {
    HashSet<A> set = new HashSet();
    for (A a : items) set.add(a);
    return set;
  }

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

  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 boolean hasMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args) != null;
  }

  public static ThreadLocal makeAndCall_initChild = new ThreadLocal();

  public static Object makeAndCall_cached(String functionName, Object... args) {
    Class c = loadFunctions_cached(functionName);
    AutoCloseable closer = (AutoCloseable) (callF(makeAndCall_initChild.get(), c));
    AutoCloseable __583 = closer;
    try {
      return preciseCall(c, functionName, args);
    } finally {
      _close(__583);
    }
  }

  public static Object evalJava(String code) {
    return evalJava_main(evalJava_prep(code));
  }

  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 <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 Runnable asRunnable(Object o) {
    return toRunnable(o);
  }

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

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

  public static List<WeakReference<Class>> hotwire_classes = synchroList();

  public static Class<?> hotwireDependent(String src) {
    Class c = hotwire(src);
    makeDependent(c);
    return c;
  }

  public static Object vmBus_query(String msg, Object... args) {
    Object arg = empty(args) ? null : l(args) == 1 ? args[0] : args;
    {
      Object __607 = pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg);
      if (__607 != null)
        return __607;
    }
    return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static Object vmBus_query(String msg) {
    return vmBus_query(msg, (Object) null);
  }

  public static String assertIdentifier(String s) {
    return assertIsIdentifier(s);
  }

  public static <A> A callCreator(String functionName, Object... args) {
    return (A) call(creator(), functionName, args);
  }

  public static String n2(long l) {
    return formatWithThousands(l);
  }

  public static String n2(Collection l) {
    return n2(l(l));
  }

  public static String n2(double l, String singular) {
    return n2(l, singular, singular + "s");
  }

  public static String n2(double l, String singular, String plural) {
    if (fraction(l) == 0)
      return n2((long) l, singular, plural);
    else
      return l + " " + plural;
  }

  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 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 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 void _registerIO(Object object, String path, boolean opened) {
  }

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

  public static void pcallFAll(Iterator it, Object... args) {
    while (it.hasNext()) pcallF(it.next(), args);
  }

  public static Set vm_busListeners_live_cache;

  public static Set vm_busListeners_live() {
    if (vm_busListeners_live_cache == null)
      vm_busListeners_live_cache = vm_busListeners_live_load();
    return vm_busListeners_live_cache;
  }

  public static Set vm_busListeners_live_load() {
    return vm_generalIdentityHashSet("busListeners");
  }

  public static <A> Set<A> synchroHashSet() {
    return Collections.synchronizedSet(new HashSet<A>());
  }

  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 "ret 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 GZIPInputStream newGZIPInputStream(File f) {
    return gzInputStream(f);
  }

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

  public static Map<String, Pair<String, Map<String, String>>> mechMapCI_cache = synchroMap();

  public static Map<String, String> mechMapCI(String listName) {
    Pair<String, Map<String, String>> p = mechMapCI_cache.get(listName);
    String text = mechList_raw(listName);
    if (p != null && eq(p.a, text))
      return p.b;
    String parsing = first(mechList_opt(listName + " | Parsing"));
    Map<String, String> map;
    if (parsing == null)
      map = parseDoubleArrowMapCI(tlft(text));
    else
      map = asCIMap((Map<String, String>) callAndMake(parsing, text));
    p = pair(text, map);
    mechMapCI_cache.put(listName, p);
    return p.b;
  }

  public static List<String> trimAll(Collection<String> l) {
    List<String> l2 = new ArrayList();
    if (l != null)
      for (String s : l) l2.add(trim(s));
    return l2;
  }

  public static boolean shortClassNameIs(Object o, String name) {
    return eq(shortClassName(o), name);
  }

  public static boolean sameSnippetID(String a, String b) {
    if (!isSnippetID(a) || !isSnippetID(b))
      return false;
    return parseSnippetID(a) == parseSnippetID(b);
  }

  public static boolean standardFunctionAlwaysReturnsVoid(String name) {
    return tok_staticFunctionAlwaysReturnsVoid(javaTok(textOfStandardFunction_cached(name)), name);
  }

  public static List<String> reTok(List<String> tok) {
    replaceCollection(tok, javaTok(tok));
    return tok;
  }

  public static List<String> reTok(List<String> tok, int i) {
    return reTok(tok, i, i + 1);
  }

  public static List<String> reTok(List<String> tok, int i, int j) {
    i = i & ~1;
    j = j | 1;
    List<String> t = javaTok(join(subList(tok, i, j)));
    replaceListPart(tok, i, j, t);
    return tok;
  }

  public static void tokPrepend(List<String> tok, int i, String s) {
    tok.set(i, s + tok.get(i));
  }

  public static void tokAppend(List<String> tok, int i, String s) {
    tok.set(i, tok.get(i) + s);
  }

  public static boolean transpileRaw_silent = true;

  public static boolean transpileRaw_useDiskCache;

  public static String transpileRaw(String mainJava) {
    return (String) call(dm_transpiler(), "transpileRaw", mainJava, false, transpileRaw_useDiskCache);
  }

  public static Class veryQuickJava_finish(String src, List<String> libs) {
    libs = cloneList(libs);
    src = findTranslators2(src, libs);
    String dehlibs = join(" ", libs);
    File bytecode = null;
    bytecode = javaCompile_overInternalBot(src, dehlibs);
    return hotwireCore(concatLists(ll(bytecode), loadLibraries(libs)));
  }

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

  public static HashMap<Set<String>, Class> loadFunctions_cache = new HashMap();

  public static Lock loadFunctions_cached_lock = lock();

  public static boolean loadFunctions_preferDiskCache;

  public static Class loadFunctions_cached(String... functions) {
    return loadFunctions_cached(asList(functions));
  }

  public static Class loadFunctions_cached(Collection<String> functions) {
    TreeSet<String> functionSet = new TreeSet<String>(functions);
    Lock __666 = loadFunctions_cached_lock;
    lock(__666);
    try {
      Class c = loadFunctions_cache.get(functionSet);
      if (c != null)
        return c;
      String cached = getTranspiledStandardFunctionsIfCached(functionSet);
      String transpilation = null;
      if (cached != null && (loadFunctions_preferDiskCache || standardFunctionsCacheUpToDate(functionSet)))
        transpilation = cached;
      if (transpilation != null) {
        print("Loading " + joinWithPlus(functionSet));
        c = veryQuickJava_finish(transpilation, emptyList());
      }
      if (c == null)
        c = loadFunctions(functionSet);
      loadFunctions_cache.put(functionSet, c);
      assertNotNull(loadFunctions_cache.get(functionSet));
      return c;
    } finally {
      unlock(__666);
    }
  }

  public static boolean preciseCall_debug;

  public static Object preciseCall(Object o, String method, Object... args) {
    try {
      if (o instanceof Class) {
        _MethodCache cache = callOpt_getCache(((Class) o));
        List<Method> methods = cache.cache.get(method);
        Lowest<Method> best = new Lowest();
        if (methods != null)
          for (Method m : methods) {
            {
              if (!(isStaticMethod(m)))
                continue;
            }
            int score = methodApplicabilityScore(m, args);
            if (score < Integer.MAX_VALUE) {
              if (preciseCall_debug)
                print("Method score: " + m + " " + score);
              best.put(m, score);
            }
          }
        Method m = best.get();
        if (m == null)
          throw fail("No suitable method found: " + methodSignature(method, args));
        return invokeMethod(m, null, args);
      } else
        throw todo();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object evalJava_main(String main) {
    return callCalc(evalJava_prep2(main));
  }

  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<String, String> parseDoubleLeftArrowMapCI_tlft(String s) {
    return parseDoubleLeftArrowMapCI(tlft(s));
  }

  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 Object pcallFAll_returnFirstNotNull(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) {
        Object __686 = pcallF(f, args);
        if (__686 != null)
          return __686;
      }
    return null;
  }

  public static Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) {
    while (it.hasNext()) {
      Object __687 = pcallF(it.next(), args);
      if (__687 != null)
        return __687;
    }
    return null;
  }

  public static String assertIsIdentifier(String s) {
    if (!isIdentifier(s))
      throw fail("Not an identifier: " + quote(s));
    return s;
  }

  public static String formatWithThousands(long l) {
    return formatWithThousandsSeparator(l);
  }

  public static double fraction(double d) {
    return d % 1;
  }

  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 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 String toString() {
        return "c.close();\r\n    _registerIO(c, null, false);";
      }

      public void close() throws Exception {
        c.close();
        _registerIO(c, null, false);
      }
    };
  }

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

  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 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 Map synchroMap() {
    return synchroHashMap();
  }

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

  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 __716 = mechList_raw_lock;
      lock(__716);
      try {
        if (empty(name))
          return "";
        String src = mechList_raw_cache.get(name);
        if (src != null)
          return src;
        AutoCloseable __718 = 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(__718);
        }
      } finally {
        unlock(__716);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static VF2<String, Object> mechList_raw_listener = new VF2<String, Object>() {

    public void get(String msg, Object arg) {
      try {
        if (eq(msg, "mechChange") && arg instanceof String) {
          mechList_raw_cache.remove((String) arg);
        }
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public String toString() {
      return "if (eq(msg, 'mechChange) && arg instanceof S) {\r\n    //print(\"Got change noti...";
    }
  };

  public static void _onLoad_mechList_raw() {
    add(vm_busListeners_live(), mechList_raw_listener);
  }

  public static void cleanMeUp_mechList_raw() {
    remove(vm_busListeners_live(), mechList_raw_listener);
  }

  public static List<String> mechList_opt(String name) {
    return mechList_opt_tlft(name);
  }

  public static Map<String, String> parseDoubleArrowMapCI(List<String> l) {
    return parseDoubleArrowMap((Map) ciMap(), l);
  }

  public static List<String> tlft(String s) {
    return toLinesFullTrim(s);
  }

  public static List<String> tlft(File f) {
    return toLinesFullTrim(f);
  }

  public static <B> TreeMap<String, B> asCIMap(Map<String, B> map) {
    return asCaseInsensitiveMap(map);
  }

  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 boolean tok_staticFunctionAlwaysReturnsVoid(List<String> tok, String name) {
    Set<String> types = tok_returnTypesOfStaticFunction_uncleaned(tok, name);
    if (empty(types))
      return false;
    for (String type : types) if (!containsOneOf(javaTokC(type), "void", "svoid"))
      return false;
    return true;
  }

  public static String textOfStandardFunction_cached(String sfName) {
    return textOfStandardFunction(sfName);
  }

  public static <A> void replaceCollection(Collection<A> dest, Collection<A> src) {
    dest.clear();
    dest.addAll(src);
  }

  public static void replaceListPart(List l, int i, int j, List l2) {
    int j2 = i + l(l2);
    if (j2 == j) {
      copyListPart(l2, 0, l, i, l(l2));
      return;
    }
    l.subList(i, j).clear();
    l.addAll(i, l2);
  }

  public static Object dm_transpiler() {
    return dm_getModule(dm_requireModule("#1017065/Transpiler"));
  }

  public static String findTranslators2(String src, List<String> libsOut) {
    return join(findTranslators2(javaTok(src), libsOut));
  }

  public static List<String> findTranslators2(List<String> tok, List<String> libsOut) {
    int i;
    while ((i = jfind(tok, "!<int>")) >= 0) {
      setAdd(libsOut, tok.get(i + 2));
      clearTokens(tok, i, i + 3);
    }
    return tok;
  }

  public static File javaCompile_overInternalBot(String src) {
    return javaCompile_overInternalBot(src, "");
  }

  public static synchronized File javaCompile_overInternalBot(String src, String dehlibs) {
    return CompilerBot.compile(src, dehlibs);
  }

  public static Class hotwireCore(List<File> files) {
    try {
      JavaXClassLoader classLoader = hotwire_makeClassLoader(files);
      Class<?> theClass = classLoader.loadClass("main");
      setOpt(theClass, "__javax", getJavaX());
      if (getOpt(theClass, "programID") == null)
        setOpt(theClass, "programID", "#3999999");
      if (!_inCore())
        hotwire_copyOver(theClass);
      return theClass;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<File> loadLibraries(List<String> snippetIDs) {
    return map("loadLibrary", snippetIDs);
  }

  public static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

  public static Object callOpt_cached(Object o, String methodName, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null || (me.getModifiers() & Modifier.STATIC) == 0)
          return null;
        return invokeMethod(me, null, args);
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null)
          return null;
        return invokeMethod(me, o, args);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static _MethodCache callOpt_getCache(Class c) {
    synchronized (callOpt_cache) {
      _MethodCache cache = callOpt_cache.get(c);
      if (cache == null)
        callOpt_cache.put(c, cache = new _MethodCache(c));
      return cache;
    }
  }

  public static boolean isStaticMethod(Method m) {
    return methodIsStatic(m);
  }

  public static Method findMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args);
  }

  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 String getTranspiledStandardFunctionsIfCached(TreeSet<String> functionSet) {
    try {
      File f = transpiledStandardFunctions_file(functionSet);
      return loadTextFile(f);
    } catch (Throwable __e) {
      return null;
    }
  }

  public static boolean standardFunctionsCacheUpToDate(TreeSet<String> functionSet) {
    File f = transpiledStandardFunctions_file(functionSet);
    long date = recommendedTranspilationDateForStandardFunctions(functionSet);
    return date != 0 && f.lastModified() >= date;
  }

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

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

  public static boolean loadFunctions_debug;

  public static Object loadFunctions_veryQuickJava;

  public static Class loadFunctions(String... functions) {
    return loadFunctions(asList(functions));
  }

  public static Class loadFunctions(Collection<String> functions) {
    print("Compiling " + joinWithPlus(functions));
    TreeSet<String> functionSet = new TreeSet<String>(functions);
    StringBuilder buf = new StringBuilder();
    for (String s : functionSet) buf.append("please include function " + assertIdentifier(s) + ".\n");
    long time = sysNow();
    Class c;
    if (loadFunctions_veryQuickJava != null)
      c = (Class) callF(loadFunctions_veryQuickJava, str(buf));
    else {
      veryQuickJava_transpiled.set("");
      c = veryQuickJava(str(buf));
      saveTranspiledStandardFunctions(functionSet, getAndClearThreadLocal(veryQuickJava_transpiled));
    }
    if (loadFunctions_debug)
      done2_always(time, "loadFunctions: " + join(" ", functions));
    return c;
  }

  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 int methodApplicabilityScore(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length)
      return Integer.MAX_VALUE;
    int score = 0;
    for (int i = 0; i < types.length; i++) {
      Object a = args[i];
      Class c = types[i];
      if (a == null)
        ++score;
      else if (c == a.getClass()) {
      } else if (isInstanceX(c, a))
        ++score;
      else
        return Integer.MAX_VALUE;
    }
    return score;
  }

  public static String methodSignature(String name, Object[] args) {
    StringBuilder buf = new StringBuilder(name + "(");
    for (int i = 0; i < l(args); i++) {
      if (i != 0)
        buf.append(", ");
      buf.append(getClassName(args[i]));
    }
    buf.append(")");
    return str(buf);
  }

  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 RuntimeException todo() {
    throw new RuntimeException("TODO");
  }

  public static RuntimeException todo(String msg) {
    throw new RuntimeException("TODO: " + msg);
  }

  public static ThreadLocal<Boolean> evalJava_prep2_useCacheInThread = new ThreadLocal();

  public static volatile boolean evalJava_prep2_useCache;

  public static Map<String, Object> evalJava_prep2_cache = synchronizedMRUCache(100);

  public static Object evalJava_prep2(String main) {
    boolean _useCache = evalJava_prep2_useCache || isTrue(evalJava_prep2_useCacheInThread.get());
    if (_useCache) {
      Object obj = evalJava_prep2_cache.get(main);
      if (obj != null)
        return obj;
    }
    Object obj = veryQuickJava(main);
    if (_useCache)
      evalJava_prep2_cache.put(main, obj);
    makeDependent(obj);
    setOpt(obj, "getProgramName_cache", "User Code");
    return obj;
  }

  public static File loadLibrary(String snippetID) {
    return loadBinarySnippet(snippetID);
  }

  public static Map<String, String> parseDoubleLeftArrowMapCI(List<String> l) {
    return parseDoubleLeftArrowMap((Map) ciMap(), l);
  }

  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 boolean _inCore() {
    return false;
  }

  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 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 String formatWithThousandsSeparator(long l) {
    return NumberFormat.getInstance(new Locale("en_US")).format(l);
  }

  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 <A> TreeMap<String, A> ciMap() {
    return caseInsensitiveMap();
  }

  public static String mechList_raw_fresh(String name) {
    return mechList_opt_raw_fresh(name);
  }

  public static void add(BitSet bs, int i) {
    bs.set(i);
  }

  public static <A> boolean add(Collection<A> c, A a) {
    return c != null && c.add(a);
  }

  public static void add(Container c, Component x) {
    addToContainer(c, x);
  }

  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 List<String> mechList_opt_tlft(String name) {
    return tlft(mechList_opt_raw(name));
  }

  public static Map<String, String> parseDoubleArrowMap(Map<String, String> map, List<String> l) {
    for (String s : l) {
      List<String> x = splitAtDoubleArrow_bothDirections(s);
      if (l(x) == 2)
        map.put(first(x), second(x));
    }
    return map;
  }

  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 <B> TreeMap<String, B> asCaseInsensitiveMap(Map<String, B> map) {
    if (isCIMap(map))
      return (TreeMap) map;
    TreeMap<String, B> m = ciMap();
    m.putAll(map);
    return m;
  }

  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 Set<String> tok_returnTypesOfStaticFunction_uncleaned(List<String> tok, String functionName) {
    List<List<String>> funcs = findFullFunctionDefs(tok, true);
    TreeSet<String> out = new TreeSet();
    for (List<String> tokF : funcs) {
      int i = indexOfAny(tokF, 0, "(", "{");
      if (i < 0)
        continue;
      String fname = get(tokF, i - 2);
      if (!eq(fname, functionName))
        continue;
      out.add(joinSubList(tokF, 1, i - 3));
    }
    return out;
  }

  public static <A> boolean containsOneOf(Collection<A> l, A... x) {
    for (A a : unnull(l)) if (eqOneOf(a, x))
      return true;
    return false;
  }

  public static <A> boolean containsOneOf(Collection<A> l, Set<A> set) {
    if (set == null)
      return false;
    for (A a : unnull(l)) if (set.contains(a))
      return true;
    return false;
  }

  public static boolean containsOneOf(String s, String... x) {
    for (String o : x) if (contains(s, o))
      return true;
    return false;
  }

  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 String textOfStandardFunction(String sfName) {
    return loadSnippet_cached(stdFunctions_cached().get(sfName));
  }

  public static <A, B extends A> void copyListPart(List<B> a, int i1, List<A> b, int i2, int n) {
    if (a == null || b == null)
      return;
    for (int i = 0; i < n; i++) b.set(i2 + i, a.get(i1 + i));
  }

  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> boolean setAdd(Collection<A> c, A a) {
    if (c == null || c.contains(a))
      return false;
    c.add(a);
    return true;
  }

  public static void clearTokens(List<String> tok) {
    clearAllTokens(tok);
  }

  public static void clearTokens(List<String> tok, int i, int j) {
    clearAllTokens(tok, i, j);
  }

  public static JavaXClassLoader hotwire_makeClassLoader(List<File> files) {
    Collection<String> toShare = hotwire_classesToShare();
    return nempty(toShare) ? new JavaXClassLoaderWithParent2(null, files, myClassLoader(), cloneList(toShare)) : new JavaXClassLoader(null, files);
  }

  public static boolean methodIsStatic(Method m) {
    return (m.getModifiers() & Modifier.STATIC) != 0;
  }

  public static File transpiledStandardFunctions_file(TreeSet<String> functionSet) {
    String name = uniqueFileNameUsingMD5_80_v2(join("+", functionSet));
    File dir = javaxCachesDir("Transpiled Standard Functions");
    saveTextFileUnlessExists(newFile(dir, name + ".functions"), lines(functionSet));
    return newFile(dir, name + ".java");
  }

  public static long recommendedTranspilationDateForStandardFunctions(Collection<String> sfNames) {
    long date = 0;
    for (String name : sfNames) {
      long d = recommendedTranspilationDateForStandardFunction(name);
      if (d == 0)
        return 0;
      date = max(date, d);
    }
    return date;
  }

  public static void saveTranspiledStandardFunctions(TreeSet<String> functionSet, String transpiledSrc) {
    try {
      saveTextFile(transpiledStandardFunctions_file(functionSet), transpiledSrc);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

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

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

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

  public static <A, B> Map<A, B> synchronizedMRUCache(int maxSize) {
    return synchroMap(new MRUCache(maxSize));
  }

  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 Map<String, String> parseDoubleLeftArrowMap(Map<String, String> map, List<String> l) {
    for (String s : l) {
      List<String> x = splitAtDoubleLeftArrow(s);
      if (l(x) == 2)
        map.put(second(x), first(x));
    }
    return map;
  }

  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> TreeMap<String, A> caseInsensitiveMap() {
    return new TreeMap(caseInsensitiveComparator());
  }

  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);
    }
    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 void addToContainer(final Container a, final Component b) {
    if (a != null && b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.add(b);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.add(b);";
        }
      });
    }
  }

  public static String mechList_opt_raw(String name) {
    try {
      Lock __856 = mechList_raw_lock;
      lock(__856);
      try {
        if (mechList_goToCreator() || eq(mechMode().readMode, "creator"))
          return (String) call(creator(), "mechList_opt_raw", name);
        String src = mechList_raw_cache.get(name);
        if (src != null)
          return src;
        src = mechList_opt_raw_fresh(name);
        mechList_raw_cache.put(name, unnull(src));
        return src;
      } finally {
        unlock(__856);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void _onLoad_mechList_opt_raw() {
    _registerAutoCloseable(vmBus_onMessage("mechList_clearCache", new VF1<String>() {

      public void get(String listName) {
        try {
          if (!isTrue(mechList_clearCache_inFunction.get()))
            mechList_clearCache_noSend(listName);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (!isTrue(mechList_clearCache_inFunction!))\r\n      mechList_clearCache_noSe...";
      }
    }));
  }

  public static List<String> splitAtDoubleArrow_bothDirections(String s) {
    return splitAtDoubleArrow_bothDirections(javaTok(s));
  }

  public static List<String> splitAtDoubleArrow_bothDirections(List<String> tok) {
    List<String> l = splitAtDoubleArrow(tok);
    if (l(l) != 2)
      l = reversedList(splitAtDoubleLeftArrow(tok));
    return l;
  }

  public static boolean isCIMap(Map m) {
    return m instanceof TreeMap && ((TreeMap) m).comparator() == caseInsensitiveComparator();
  }

  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 Set<String> findFullFunctionDefs_keywords = new HashSet(splitAtSpace("static svoid ssvoid ssynchronized sbool sS sO sL"));

  public static List<List<String>> findFullFunctionDefs(List<String> tok, boolean topLevelOnly) {
    int n = l(tok);
    List<List<String>> functions = new ArrayList();
    for (int i = 1; i < n; i += 2) {
      String t = tok.get(i);
      if (topLevelOnly && eq(t, "{"))
        i = findEndOfBlock(tok, i) - 1;
      else if (findFullFunctionDefs_keywords.contains(t)) {
        int j = i + 2;
        while (j < n && !eqOneOf(tok.get(j), ";", "=", "(", "{")) j += 2;
        if ((eqGet(tok, j, "(") || eq(t, "svoid") && eqGet(tok, j, "{")) && isIdentifier(tok.get(j - 2))) {
          int k = smartIndexOf(tok, "{", j);
          if (k < l(tok)) {
            k = findEndOfBlock(tok, k) + 1;
            functions.add(subList(tok, i - 1, k));
            i = k - 2;
          }
        }
      }
    }
    return functions;
  }

  public static List<List<String>> findFullFunctionDefs(String s, boolean topLevelOnly) {
    return findFullFunctionDefs(javaTok(s), topLevelOnly);
  }

  public static <A> int indexOfAny(List<A> l, int i, A... x) {
    while (i < l(l)) if (eqOneOf(l.get(i), x))
      return i;
    else
      ++i;
    return -1;
  }

  public static <A> int indexOfAny(List<A> l, Collection<A> x) {
    return indexOfAny(l, 0, x);
  }

  public static <A> int indexOfAny(List<A> l, int i, Collection<A> x) {
    if (nempty(x))
      while (i < l(l)) if (x.contains(l.get(i)))
        return i;
      else
        ++i;
    return -1;
  }

  public static int indexOfAny(String s, int i, String chars) {
    for (; i < l(s); i++) if (chars.indexOf(s.charAt(i)) >= 0)
      return i;
    return -1;
  }

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

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

  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 String loadSnippet_cached(String id) {
    return loadSnippet_simpleCache(id);
  }

  public static Map<String, String> stdFunctions_cached_map;

  public static Lock stdFunctions_cached_lock = lock();

  public static Map<String, String> stdFunctions_cached() {
    Lock __879 = stdFunctions_cached_lock;
    lock(__879);
    try {
      if (stdFunctions_cached_map == null) {
        stdFunctions_cached_map = parseStdFunctionsList(loadSnippetSilently("#1006654"));
        stdFunctions_cached_map.putAll(parseStdFunctionsList(loadSnippetSilently("#761")));
      }
      return stdFunctions_cached_map;
    } finally {
      unlock(__879);
    }
  }

  public static synchronized void stdFunctions_clearCache() {
    stdFunctions_cached_map = null;
  }

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

  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;
      removeSubList(l, i, i + l(x));
      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 void clearAllTokens(List<String> tok) {
    for (int i = 0; i < tok.size(); i++) tok.set(i, "");
  }

  public static void clearAllTokens(List<String> tok, int i, int j) {
    for (; i < j; i++) tok.set(i, "");
  }

  public static Set<String> hotwire_classesToShare = synchroSet();

  public static Set<String> hotwire_classesToShare() {
    return hotwire_classesToShare;
  }

  public static ClassLoader myClassLoader() {
    return _getClass(mc()).getClassLoader();
  }

  public static String uniqueFileNameUsingMD5_80_v2(String fullName) {
    return uniqueFileNameUsingMD5_80_v2(fullName, md5(fullName));
  }

  public static String uniqueFileNameUsingMD5_80_v2(String fullName, String md5) {
    return takeFirst(80 - 33, fileNameEncode(fullName)) + " - " + md5;
  }

  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 void saveTextFileUnlessExists(File f, String contents) {
    if (f != null && !f.exists())
      saveTextFile(f, contents);
  }

  public static String lines(Collection lines) {
    return fromLines(lines);
  }

  public static String lines(Object[] lines) {
    return fromLines(asList(lines));
  }

  public static List<String> lines(String s) {
    return toLines(s);
  }

  public static long recommendedTranspilationDateForStandardFunction(String sfName) {
    return toLong(mechMap("Recommended SF Transpilation Date").get(sfName));
  }

  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 ThreadLocal<Boolean> mechList_clearCache_inFunction = new ThreadLocal();

  public static void mechList_clearCache(String listName) {
    {
      AutoCloseable __914 = tempSetTL(mechList_clearCache_inFunction, true);
      try {
        print("Sending mech clear: " + listName);
        vmBus_send("mechList_clearCache", listName);
      } finally {
        _close(__914);
      }
    }
    mechList_clearCache_noSend(listName);
  }

  public static void mechList_clearCache_noSend(String listName) {
    for (String field : mcFields()) if (startsWithEndsWith(field, "mech", "_cache")) {
      Object o = getOptMC(field);
      if (o instanceof Map)
        removeFromMapCI_sync((Map) o, listName);
    }
  }

  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 List<String> splitAtDoubleLeftArrow(String s) {
    return splitAtDoubleLeftArrow(javaTok(s));
  }

  public static List<String> splitAtDoubleLeftArrow(List<String> tok) {
    List<String> l = new ArrayList();
    int i = 0;
    while (i < l(tok)) {
      int j = indexOfSubList(tok, ll("<", "", "="), i);
      if (i >= l(tok))
        break;
      if (j < 0)
        j = l(tok);
      l.add(trimJoin(tok.subList(i, j)));
      i = j + 3;
    }
    return l;
  }

  public static Comparator<String> caseInsensitiveComparator() {
    return betterCIComparator();
  }

  public static MechMode mechMode_value = new MechMode();

  public static MechMode mechMode() {
    return mechMode_value;
  }

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

  public static char upper(char c) {
    return Character.toUpperCase(c);
  }

  public static String loadTextFileFromZipFile(File inZip, String fileName) {
    try {
      if (!fileExists(inZip))
        return null;
      try {
        ZipFile zip = new ZipFile(inZip);
        try {
          return loadTextFileFromZipFile(zip, fileName);
        } finally {
          _close(zip);
        }
      } catch (Throwable e) {
        throw fail(f2s(inZip), e);
      }
    } 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);
      try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        copyStream(fin, baos);
        return fromUTF8(baos.toByteArray());
      } finally {
        _close(fin);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  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 __961 = downloadLock();
    lock(__961);
    try {
      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);
      saveTextFile(remoteMechListMirrorMetaFile(name), struct(getMultipleKeys(map, "Name", "Status")));
      if (!same) {
        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);
        }
      }
      if (serverMechList_raw_fresh_verbose)
        print("Mech list " + name + ": " + (appended ? "appended" : same ? "same" : "downloaded") + ": " + n2(countLines(text), "line"));
      if (!same)
        vmBus_send("remoteMechListMirrorChanged", name);
      return text;
    } finally {
      unlock(__961);
    }
  }

  public static String appendNewLineIfNempty(String s) {
    return empty(s) ? "" : s + "\n";
  }

  public static String localMechList_opt_raw_fresh(String name) {
    return unnull(loadTextFile(localMechListFile(name)));
  }

  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 Set<AutoCloseable> _registerAutoCloseable_set = synchroHashSet();

  public static void _registerAutoCloseable(AutoCloseable c) {
    addIfNotNull(_registerAutoCloseable_set, c);
  }

  public static void cleanMeUp__registerAutoCloseable() {
    closeAutoCloseables(getAndClearList(_registerAutoCloseable_set));
  }

  public static List<String> splitAtDoubleArrow(String s) {
    return splitAtDoubleArrow(javaTok(s));
  }

  public static List<String> splitAtDoubleArrow(List<String> tok) {
    List<String> l = new ArrayList();
    int i = 0;
    while (i < l(tok)) {
      int j = indexOfSubList(tok, ll("=", "", ">"), i);
      if (i >= l(tok))
        break;
      if (j < 0)
        j = l(tok);
      l.add(trimJoin(tok.subList(i, j)));
      i = j + 3;
    }
    return l;
  }

  public static <A> List<A> reversedList(Collection<A> l) {
    List<A> x = cloneList(l);
    Collections.reverse(x);
    return x;
  }

  public static List<String> splitAtSpace(String s) {
    return empty(s) ? emptyList() : asList(s.split("\\s+"));
  }

  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 ExpiringMap2<String, String> loadSnippet_simpleCache_map = new ExpiringMap2(10000);

  public static Lock loadSnippet_simpleCache_lock = lock();

  public static int loadSnippet_simpleCache_timeout = 60000;

  public static String loadSnippet_simpleCache(String id) {
    if (id == null)
      return null;
    Lock __945 = loadSnippet_simpleCache_lock;
    lock(__945);
    try {
      id = fsI(id);
      String src = loadSnippet_simpleCache_map.get(id);
      if (src != null)
        return src;
      Integer oldTimeout = setThreadLocal(loadPage_forcedTimeout_byThread, loadSnippet_simpleCache_timeout);
      try {
        src = loadSnippet(id);
        if (src != null)
          loadSnippet_simpleCache_map.put(id, src);
        return src;
      } finally {
        loadPage_forcedTimeout_byThread.set(oldTimeout);
      }
    } finally {
      unlock(__945);
    }
  }

  public static Map<String, String> parseStdFunctionsList(String snippetSrc) {
    List<String> tok = javaTok(snippetSrc);
    int i = findCodeTokens(tok, "standardFunctions", "=", "litlist", "(");
    int opening = i + 6;
    int closing = indexOf(tok, ")", opening) - 1;
    Map<String, String> map = litorderedmap();
    for (i = opening + 2; i < closing; i += 4) {
      String[] f = unquote(tok.get(i)).split("/");
      map.put(f[1], f[0]);
    }
    return map;
  }

  public static String loadSnippetSilently(Snippet s) {
    return loadSnippetQuietly(s);
  }

  public static String loadSnippetSilently(String snippetID) {
    return loadSnippetQuietly(snippetID);
  }

  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 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 <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 static <A> Set<A> synchroSet() {
    return synchroHashSet();
  }

  public static <A> Set<A> synchroSet(Set<A> set) {
    return Collections.synchronizedSet(set);
  }

  public static String md5(String text) {
    try {
      if (text == null)
        return "-";
      return bytesToHex(md5_impl(toUtf8(text)));
    } 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 <A> List<A> takeFirst(List<A> l, int n) {
    return l(l) <= n ? l : newSubListOrSame(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_967 = 0; _repeat_967 < n; _repeat_967++) {
      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 long toLong(Object o) {
    if (o instanceof Number)
      return ((Number) o).longValue();
    if (o instanceof String)
      return parseLong((String) o);
    return 0;
  }

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

  public static byte[] saveBinaryFile(String fileName, byte[] contents) {
    try {
      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);
      vmBus_send("wroteFile", file);
      return contents;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] saveBinaryFile(File fileName, byte[] contents) {
    return saveBinaryFile(fileName.getPath(), contents);
  }

  public static String dataSnippetLink(String snippetID) {
    long id = parseSnippetID(snippetID);
    if (id >= 1100000 && id < 1200000)
      return imageServerURL() + 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 String fsI(String id) {
    return formatSnippetID(id);
  }

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

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

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

  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 String trimJoin(List<String> s) {
    return trim(join(s));
  }

  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 File remoteMechListMirrorsDir() {
    return javaxDataDir("Remote Mech Lists");
  }

  public static Lock downloadLock_lock = fairLock();

  public static Lock downloadLock() {
    return downloadLock_lock;
  }

  public static Object[] muricaCredentialsPlus(Object... params) {
    return concatArrays(muricaCredentials(), params);
  }

  public static String md5OrNull(String s) {
    return s == null ? null : md5(s);
  }

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

  public static String postPageSilently(String url, Object... params) {
    return doPostSilently(litmap(params), url);
  }

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

  public static int countLines(String s) {
    return l(toLines(s));
  }

  public static File localMechListFile(String listName) {
    return newFile(localMechListsDir(), uniqueFileNameUsingMD5_80_v2(listName) + ".text");
  }

  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 <A> void addIfNotNull(Collection<A> l, A a) {
    if (a != null && l != null)
      l.add(a);
  }

  public static void closeAutoCloseables(Collection<AutoCloseable> l) {
    if (l != null)
      for (AutoCloseable c : l) {
        try {
          c.close();
        } catch (Throwable __e) {
          _handleException(__e);
        }
      }
  }

  public static <A> List<A> getAndClearList(Collection<A> l) {
    if (l == null)
      return emptyList();
    synchronized (collectionMutex(l)) {
      List<A> out = cloneList(l);
      l.clear();
      return out;
    }
  }

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

  public static boolean checkCondition(Object condition, Object... args) {
    return isTrue(callF(condition, args));
  }

  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 boolean md5OfFile_verbose;

  public static String md5OfFile(String path) {
    return md5OfFile(newFile(path));
  }

  public static String md5OfFile(File f) {
    try {
      if (!f.exists())
        return "-";
      if (md5OfFile_verbose)
        print("Getting MD5 of " + f);
      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 <A> List<A> newSubListOrSame(List<A> l, int startIndex) {
    return newSubListOrSame(l, startIndex, l(l));
  }

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

  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 String imageServerURL() {
    return or2(trim(loadTextFile(javaxDataDir("image-server-url.txt"))), "http://botcompany.de/images/raw/");
  }

  public static volatile boolean muricaPassword_pretendNotAuthed;

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

  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) {
    Matcher m = regexpMatcher("text/[a-z]+;\\s*charset=([^\\s]+)\\s*", 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 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> 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 String fromUtf8(byte[] bytes) {
    try {
      return new String(bytes, "UTF-8");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  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 boolean jsonDecode_useOrderedMaps = true;

  public static Object jsonDecode(final String text) {
    final List<String> tok = jsonTok(text);
    if (l(tok) == 1)
      return null;
    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 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 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 File muricaPasswordFile() {
    return new File(javaxSecretDir(), "murica/muricaPasswordFile");
  }

  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 <A> A printWithTime(A a) {
    print(hmsWithColons() + ": " + a);
    return a;
  }

  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 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 Matcher regexpMatcher(String pat, String s) {
    return compileRegexp(pat).matcher(unnull(s));
  }

  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 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 getComputerID_quick() {
    return computerID();
  }

  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 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 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 List<String> jsonTok(String s) {
    List<String> tok = new ArrayList();
    int l = l(s);
    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 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 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 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 long round(double d) {
    return Math.round(d);
  }

  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 <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 Map<String, java.util.regex.Pattern> compileRegexp_cache = syncMRUCache(10);

  public static java.util.regex.Pattern compileRegexp(String pat) {
    java.util.regex.Pattern p = compileRegexp_cache.get(pat);
    if (p == null)
      compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat));
    return p;
  }

  public static int lUtf8(String s) {
    return l(utf8(s));
  }

  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 File getProgramDir() {
    return programDir();
  }

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

  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 <A, B> Map<A, B> syncMRUCache(int size) {
    return synchroMap(new MRUCache(size));
  }

  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(), formatSnippetIDOpt(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 volatile String caseID_caseID;

  public static String caseID() {
    return caseID_caseID;
  }

  public static void caseID(String id) {
    caseID_caseID = id;
  }

  public static final class _MethodCache {

    public final Class c;

    public final HashMap<String, List<Method>> cache = new HashMap();

    public _MethodCache(Class c) {
      this.c = c;
      _init();
    }

    public void _init() {
      Class _c = c;
      while (_c != null) {
        for (Method m : _c.getDeclaredMethods()) {
          m.setAccessible(true);
          multiMapPut(cache, m.getName(), m);
        }
        _c = _c.getSuperclass();
      }
    }

    public Method findMethod(String method, Object[] args) {
      try {
        List<Method> m = cache.get(method);
        if (m == null)
          return null;
        int n = m.size();
        for (int i = 0; i < n; i++) {
          Method me = m.get(i);
          if (call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  public abstract static class VF2<A, B> {

    public abstract void get(A a, B b);
  }

  public static class JavaXClassLoader extends URLClassLoader {

    public String progID;

    public List<File> files;

    public Set<String> triedToLoad = synchroSet();

    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 {
      boolean triedBefore = !triedToLoad.add(name);
      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 + ")" + (triedBefore ? ", tried to load before" : ""), e);
      }
    }

    public String toString() {
      return "JavaXClassLoader[" + systemHashCodeHex(this) + "] - " + progID;
    }
  }

  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 abstract static class TokCondition {

    public abstract boolean get(List<String> tok, int 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 PKI {

    public static String getProvider() {
      return isAndroid() ? "BC" : "SUN";
    }

    public static boolean verifySignature(byte[] publicKey, byte[] signature, String file) throws InvalidKeyException, NoSuchProviderException, NoSuchAlgorithmException, IOException, SignatureException, InvalidKeySpecException {
      Signature sig = initPublicSignature(publicKey);
      FileInputStream datafis = new FileInputStream(file);
      BufferedInputStream bufin = new BufferedInputStream(datafis);
      byte[] buffer = new byte[1024];
      while (bufin.available() != 0) {
        int len = bufin.read(buffer);
        sig.update(buffer, 0, len);
      }
      bufin.close();
      return sig.verify(signature);
    }

    public static boolean verifySignature(byte[] publicKey, byte[] signature, byte[] data) {
      try {
        Signature sig = initPublicSignature(publicKey);
        sig.update(data);
        return sig.verify(signature);
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public static Signature initPublicSignature(byte[] publicKey) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException, InvalidKeyException {
      Signature sig = Signature.getInstance("SHA1withDSA", getProvider());
      PublicKey pub = KeyFactory.getInstance("DSA", getProvider()).generatePublic(new X509EncodedKeySpec(publicKey));
      sig.initVerify(pub);
      return sig;
    }

    public static byte[] sign(String file, byte[] privateKey) {
      try {
        Signature dsa = initSignature(privateKey);
        FileInputStream fis = new FileInputStream(file);
        BufferedInputStream bufin = new BufferedInputStream(fis);
        byte[] buffer = new byte[1024];
        int len;
        while ((len = bufin.read(buffer)) >= 0) dsa.update(buffer, 0, len);
        bufin.close();
        return dsa.sign();
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public static byte[] sign(byte[] data, byte[] privateKey) {
      try {
        Signature dsa = initSignature(privateKey);
        dsa.update(data);
        return dsa.sign();
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public static Signature initSignature(byte[] privateKey) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException, InvalidKeyException {
      Signature dsa = Signature.getInstance("SHA1withDSA", getProvider());
      EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(privateKey);
      PrivateKey priv = KeyFactory.getInstance("DSA", getProvider()).generatePrivate(keySpec);
      dsa.initSign(priv);
      return dsa;
    }

    public static KeyPair makeKeyPair() throws NoSuchAlgorithmException, NoSuchProviderException {
      KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA", getProvider());
      SecureRandom random = SecureRandom.getInstance("SHA1PRNG", getProvider());
      keyGen.initialize(1024, random);
      return keyGen.generateKeyPair();
    }

    public static boolean makeStandardKeyPairIfNecessary() {
      try {
        File publicKeyPath = getStandardPublicKeyPath();
        File privateKeyPath = getStandardPrivateKeyPath();
        if (!publicKeyPath.exists()) {
          print("PKI: Making standard key pair");
          KeyPair keyPair = makeKeyPair();
          byte[] privateKey = keyPair.getPrivate().getEncoded();
          print("PKI: Private key hex (debug) - " + bytesToHex(privateKey));
          saveTextFile(privateKeyPath, privateKeyToString(privateKey));
          String publicKey = publicKeyToString(keyPair.getPublic());
          saveTextFile(publicKeyPath, publicKey);
          print("PKI: Standard key pair made!");
          print();
          printInfo();
          return true;
        }
        return false;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public static void printInfo() {
      print("PKI: Machine's public key: " + publicKeyToString(getStandardPublicKey()));
      print("PKI: Machine's private key in: " + getStandardPrivateKeyPath());
      print("PKI: Machine's public key also in: " + getStandardPublicKeyPath());
      print("PKI: User's public key: " + publicKeyToString(userPublicKey()));
      print("PKI: User's private key in: " + userPrivateKeyPath());
      print("PKI: User's public key also in: " + userPublicKeyPath());
    }

    public static File getStandardPrivateKeyPath() {
      return new File(getSecretProgramDir("#1001547"), "Computer-Private-Key");
    }

    public static File userPublicKeyPath() {
      return new File(getProgramDir("#1001547"), "User-Public-Key");
    }

    public static File userPrivateKeyPath() {
      return new File(getSecretProgramDir("#1001547"), "User-Private-Key");
    }

    public static File getStandardPublicKeyPath() {
      return new File(getProgramDir("#1001547"), "Computer-Public-Key");
    }

    public static byte[] getStandardPrivateKey() {
      makeStandardKeyPairIfNecessary();
      return privateKeyFromString(loadTextFile(getStandardPrivateKeyPath()));
    }

    public static byte[] getStandardPublicKey() {
      makeStandardKeyPairIfNecessary();
      return publicKeyFromString(loadTextFile(getStandardPublicKeyPath()));
    }

    public static byte[] userPrivateKey() {
      makeUserKeyPairIfNecessary();
      return privateKeyFromString(loadTextFile(userPrivateKeyPath()));
    }

    public static byte[] userPublicKey() {
      makeUserKeyPairIfNecessary();
      return publicKeyFromString(loadTextFile(userPublicKeyPath()));
    }

    public static String publicKeyToString(PublicKey publicKey) {
      return publicKeyToString(publicKey.getEncoded());
    }

    public static String privateKeyToString(PrivateKey privateKey) {
      return privateKeyToString(privateKey.getEncoded());
    }

    public static byte[] publicKeyFromString(String key) {
      return base64decode(dropPrefixMandatory("publickey:", trim(key)));
    }

    public static byte[] privateKeyFromString(String key) {
      return base64decode(dropPrefixMandatory("privatekey:", trim(key)));
    }

    public static byte[] signatureFromString(String key) {
      return base64decode(key);
    }

    public static byte[] dataFromString(String text) {
      return toUtf8(text);
    }

    public static String signatureToString(byte[] signature) {
      return base64encode(signature);
    }

    public static String publicKeyToString(byte[] key) {
      return "publickey:" + base64encode(key);
    }

    public static String privateKeyToString(byte[] key) {
      return "privatekey:" + base64encode(key);
    }

    public static boolean makeUserKeyPairIfNecessary() {
      try {
        File publicKeyPath = userPublicKeyPath();
        File privateKeyPath = userPrivateKeyPath();
        if (!publicKeyPath.exists()) {
          print("PKI: Making user key pair");
          KeyPair keyPair = makeKeyPair();
          byte[] privateKey = keyPair.getPrivate().getEncoded();
          print("PKI: Private key hex (debug) - " + bytesToHex(privateKey));
          saveTextFile(privateKeyPath, privateKeyToString(privateKey));
          String publicKey = publicKeyToString(keyPair.getPublic());
          saveTextFile(publicKeyPath, publicKey);
          print("PKI: User key pair made!");
          print();
          printInfo();
          return true;
        }
        return false;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  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 QuickException extends RuntimeException {

    public Throwable fillInStackTrace() {
      return this;
    }

    public QuickException() {
    }

    public QuickException(Throwable e) {
      super(e);
    }

    public QuickException(String msg) {
      super(msg);
    }

    public QuickException(String msg, Throwable e) {
      super(msg, e);
    }
  }

  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<Pair<Long, A>> queue = new PriorityBlockingQueue();

    public long standardExpiryTime;

    public boolean renewOnOverwrite = true, renewOnGet;

    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 synchronized 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 synchronized 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 Pair(p.a, a));
      byKey.put(a, pair(timeout, b));
      change();
      if (p == null || renewOnOverwrite)
        queue.add(new Pair(timeout, a));
      return pairB(p);
    }

    public synchronized B remove(Object a) {
      clean();
      Pair<Long, B> p = byKey.get(a);
      if (p == null)
        return null;
      queue.remove(new Pair(p.a, a));
      byKey.remove(a);
      change();
      return p.b;
    }

    public synchronized B get(Object a) {
      clean();
      Pair<Long, B> p = byKey.get(a);
      if (renewOnGet && p != null) {
        queue.remove(new Pair(p.a, a));
        long timeout = sysTime() + standardExpiryTime;
        byKey.put((A) a, pair(timeout, p.b));
        queue.add(new Pair(timeout, a));
      }
      return pairB(p);
    }

    public synchronized Set<Map.Entry<A, B>> entrySet() {
      clean();
      return synchronizedSet(mapValues("pairB", byKey).entrySet());
    }

    public synchronized Set<A> keySet() {
      clean();
      return synchronizedSet(byKey.keySet());
    }

    public synchronized int size() {
      clean();
      return byKey.size();
    }

    public void setStandardExpiryTime(long ms) {
      standardExpiryTime = ms;
    }

    public synchronized 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 class AlphanumComparator implements Comparator<String> {

    public boolean ignoreCase;

    public final boolean isDigit(char ch) {
      return ((ch >= 48) && (ch <= 57));
    }

    public final String getChunk(String s, int slength, int marker) {
      StringBuilder chunk = new StringBuilder();
      char c = s.charAt(marker);
      chunk.append(c);
      marker++;
      if (isDigit(c))
        while (marker < slength) {
          c = s.charAt(marker);
          if (!isDigit(c))
            break;
          chunk.append(c);
          marker++;
        }
      else
        while (marker < slength) {
          c = s.charAt(marker);
          if (isDigit(c))
            break;
          chunk.append(c);
          marker++;
        }
      return chunk.toString();
    }

    public int compare(String s1, String s2) {
      if (s1 == null)
        return s2 == null ? 0 : -1;
      if (s2 == null)
        return 1;
      int thisMarker = 0;
      int thatMarker = 0;
      int s1Length = s1.length();
      int s2Length = s2.length();
      while (thisMarker < s1Length && thatMarker < s2Length) {
        String thisChunk = getChunk(s1, s1Length, thisMarker);
        thisMarker += thisChunk.length();
        String thatChunk = getChunk(s2, s2Length, thatMarker);
        thatMarker += thatChunk.length();
        int result = 0;
        if (isDigit(thisChunk.charAt(0)) && isDigit(thatChunk.charAt(0))) {
          int thisChunkLength = thisChunk.length();
          result = thisChunkLength - thatChunk.length();
          if (result == 0) {
            for (int i = 0; i < thisChunkLength; i++) {
              result = thisChunk.charAt(i) - thatChunk.charAt(i);
              if (result != 0) {
                return result;
              }
            }
          }
        } else {
          result = thisChunk.compareTo(thatChunk);
        }
        if (result != 0)
          return result;
      }
      return s1Length - s2Length;
    }
  }

  public static class Lowest<A> {

    public A best;

    public double score;

    public transient Object onChange;

    public synchronized boolean isNewBest(double score) {
      return best == null || score < this.score;
    }

    public synchronized double bestScore() {
      return best == null ? Double.NaN : score;
    }

    public double score() {
      return bestScore();
    }

    public synchronized float floatScore() {
      return best == null ? Float.NaN : (float) score;
    }

    public synchronized float floatScoreOr(float defaultValue) {
      return best == null ? defaultValue : (float) score;
    }

    public boolean put(A a, double score) {
      boolean change = false;
      synchronized (this) {
        if (a != null && isNewBest(score)) {
          best = a;
          this.score = score;
          change = true;
        }
      }
      if (change)
        pcallF(onChange);
      return change;
    }

    public synchronized A get() {
      return best;
    }

    public synchronized boolean has() {
      return best != null;
    }
  }

  public static class Either<A, B> {

    public byte which;

    public Object value;

    public Either() {
    }

    public Either(int which, Object value) {
      this.value = value;
      this.which = (byte) which;
    }

    public boolean isA() {
      return which == 1;
    }

    public boolean isB() {
      return which == 2;
    }

    public A a() {
      if (which != 1)
        _failMe();
      return (A) value;
    }

    public B b() {
      if (which != 2)
        _failMe();
      return (B) value;
    }

    public void _failMe() {
      throw fail("Either object is of wrong type: " + shortClassName(value));
    }
  }

  public static class FixedRateTimer extends java.util.Timer {

    public FixedRateTimer() {
      this(false);
    }

    public FixedRateTimer(boolean daemon) {
      this(defaultTimerName(), daemon);
    }

    public FixedRateTimer(String name) {
      this(name, false);
    }

    public FixedRateTimer(String name, boolean daemon) {
      super(name, daemon);
      _registerTimer(this);
    }

    public List<Entry> entries = synchroList();

    public static class Entry {

      public static String _fieldOrder = "task firstTime period";

      public TimerTask task;

      public long firstTime;

      public long period;

      public Entry() {
      }

      public Entry(TimerTask task, long firstTime, long period) {
        this.period = period;
        this.firstTime = firstTime;
        this.task = task;
      }

      public String toString() {
        return "Entry(" + task + ", " + firstTime + ", " + period + ")";
      }
    }

    public void scheduleAtFixedRate(TimerTask task, long delay, long period) {
      entries.add(new Entry(task, now() + delay, period));
      super.scheduleAtFixedRate(task, delay, period);
    }

    public void cancel() {
      entries.clear();
      super.cancel();
    }

    public int purge() {
      entries.clear();
      return super.purge();
    }

    public FixedRateTimer changeRate(int newPeriod) {
      Object r = ((SmartTimerTask) first(entries).task).r;
      cancel();
      return doEvery(newPeriod, r);
    }
  }

  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) {
        List<String> mainClass = findMainClass(javaTok(src));
        boolean canRename = mainClass != null && useDummyMainClasses() && isSnippetID(progID) && !tok_classHasModifier(mainClass, "public");
        if (verbose)
          print("useRenaming: " + useDummyMainClasses() + ", canRename: " + canRename + ", progID: " + progID);
        javaCompileToJar_optionalRename(src, dehlibs, jar, canRename ? progID : null, progID);
      } 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 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 interface IVar<A> {

    public void set(A a);

    public A get();

    public boolean has();

    public void clear();
  }

  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 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 void fixACCInClassLoader(Object o) {
    try {
      AccessControlContext acc = vm_globalACC();
      if (acc != null)
        replaceACCInClassLoader(o, acc);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  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 <A> String joinWithComma(Collection<A> c) {
    return join(", ", c);
  }

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

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

  public static String systemHashCodeHex(Object o) {
    return intToHex(identityHashCode(o));
  }

  public static <A> Iterator<A> iterator(Iterable<A> c) {
    return c == null ? emptyIterator() : c.iterator();
  }

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

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

  public static File getSecretProgramDir(String snippetID) {
    if (empty(snippetID))
      return javaxSecretDir();
    return newFile(javaxSecretDir(), formatSnippetID(snippetID));
  }

  public static String dropPrefixMandatory(String prefix, String s) {
    if (s.startsWith(prefix))
      return s.substring(prefix.length());
    else
      throw fail("Prefix " + prefix + " not found in: " + s);
  }

  public static String base64encode(byte[] a) {
    int aLen = a.length;
    int numFullGroups = aLen / 3;
    int numBytesInPartialGroup = aLen - 3 * numFullGroups;
    int resultLen = 4 * ((aLen + 2) / 3);
    StringBuffer result = new StringBuffer(resultLen);
    char[] intToAlpha = intToBase64;
    int inCursor = 0;
    for (int i = 0; i < numFullGroups; i++) {
      int byte0 = a[inCursor++] & 0xff;
      int byte1 = a[inCursor++] & 0xff;
      int byte2 = a[inCursor++] & 0xff;
      result.append(intToAlpha[byte0 >> 2]);
      result.append(intToAlpha[(byte0 << 4) & 0x3f | (byte1 >> 4)]);
      result.append(intToAlpha[(byte1 << 2) & 0x3f | (byte2 >> 6)]);
      result.append(intToAlpha[byte2 & 0x3f]);
    }
    if (numBytesInPartialGroup != 0) {
      int byte0 = a[inCursor++] & 0xff;
      result.append(intToAlpha[byte0 >> 2]);
      if (numBytesInPartialGroup == 1) {
        result.append(intToAlpha[(byte0 << 4) & 0x3f]);
        result.append("==");
      } else {
        int byte1 = a[inCursor++] & 0xff;
        result.append(intToAlpha[(byte0 << 4) & 0x3f | (byte1 >> 4)]);
        result.append(intToAlpha[(byte1 << 2) & 0x3f]);
        result.append('=');
      }
    }
    return result.toString();
  }

  public static final char[] intToBase64 = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' };

  public static long sysTime() {
    return sysNow();
  }

  public static void change() {
    callOpt(getOptMC("mainConcepts"), "allChanged");
  }

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

  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 String b(Object contents, Object... params) {
    return tag("b", contents, params);
  }

  public static String defaultTimerName_name;

  public static String defaultTimerName() {
    if (defaultTimerName_name == null)
      defaultTimerName_name = "A timer by " + programID();
    return defaultTimerName_name;
  }

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

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

  public static void cleanMeUp__registerTimer() {
    cancelTimers(getAndClearList(_registerTimer_list));
  }

  public static boolean getServerTranspiled2_allowLocalFallback = true, getServerTranspiled2_localFallbackVerbose = true;

  public static String getServerTranspiled2(String id) {
    String transpiled = loadCachedTranspilation(id);
    String md5 = null;
    if (machineIsOffline() || isOfflineMode() || isLocalSnippet(id))
      return transpiled;
    if (transpiled != null)
      md5 = md5(transpiled);
    String transpiledSrc;
    try {
      transpiledSrc = getServerTranspiled(formatSnippetID(id), md5);
    } catch (Throwable e) {
      if (!getServerTranspiled2_allowLocalFallback)
        rethrow(e);
      printExceptionShort(e);
      if (getServerTranspiled2_localFallbackVerbose)
        print("Fallback to local code");
      return transpiled;
    }
    if (eq(transpiledSrc, "SAME")) {
      if (!isTrue(loadPage_silent.get()))
        print("SAME");
      return transpiled;
    }
    return transpiledSrc;
  }

  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 boolean useDummyMainClasses() {
    return true;
  }

  public static boolean tok_classHasModifier(List<String> classDecl, String modifier) {
    if (classDecl == null)
      return false;
    int i = classDecl.indexOf("class");
    return subList(classDecl, 0, i).contains(modifier);
  }

  public static boolean javaCompileToJar_useRAMDisk;

  public static File javaCompileToJar_optionalRename(String src, File destJar, String progIDForRename) {
    return javaCompileToJar_optionalRename(src, "", destJar, progIDForRename);
  }

  public static synchronized File javaCompileToJar_optionalRename(String src, String dehlibs, File destJar, String progIDForRename) {
    return javaCompileToJar_optionalRename(src, dehlibs, destJar, progIDForRename, null);
  }

  public static synchronized File javaCompileToJar_optionalRename(String src, String dehlibs, File destJar, String progIDForRename, String progID) {
    String javaTarget = null;
    String dummyClass = "main";
    if (progIDForRename != null) {
      dummyClass = dummyMainClassName(progIDForRename);
      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";
    List<String> tok = javaTok(src);
    String packageName = tok_packageName(tok);
    if (packageName != null)
      fileName = packageName.replace(".", "/") + "/" + tok_firstClassName(tok) + ".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(loadLibraryOrSrcLib(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 (eq(trim(compilerOutput), "Annotation processing got disabled, since it requires a 1.6 compliant JVM")) {
        print(compilerOutput);
        compilerOutput = "";
      }
      if (nempty(compilerOutput)) {
        print("Compiler said: " + compilerOutput);
      }
      if (!anyFileWithExtensionInDir(classesDir, ".class"))
        throw fail("No classes generated");
      saveTextFile(new File(classesDir, "main.java"), src);
      if (nempty(dehlibs))
        saveTextFile(new File(classesDir, "libraries"), dehlibs);
      saveTextFile(new File(classesDir, "progID"), progID);
      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 boolean isMD5(String s) {
    return l(s) == 32 && isLowerHexString(s);
  }

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

  public static File getCacheProgramDir(String snippetID) {
    return new File(userHome(), "JavaX-Caches/" + formatSnippetIDOpt(snippetID));
  }

  public static int hashCodeFor(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  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 Iterator emptyIterator() {
    return Collections.emptyIterator();
  }

  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 <A> Set<A> newWeakHashSet() {
    return synchroWeakHashSet();
  }

  public static void cancelTimers(Collection timers) {
    for (Object timer : timers) cancelTimer(timer);
  }

  public static String loadCachedTranspilation(String id) {
    try {
      return loadTextFilePossiblyGZipped(getCachedTranspilationFile(id));
    } catch (Throwable __e) {
      return null;
    }
  }

  public static boolean machineIsOffline() {
    return isFalse(callF(vmGeneralMap_get("areWeOnline")));
  }

  public static boolean isOfflineMode() {
    return eq("1", trim(loadProgramTextFile("#1005806", "offline-mode")));
  }

  public static boolean isLocalSnippet(String snippetID) {
    return isLocalSnippetID(snippetID);
  }

  public static boolean isLocalSnippet(long snippetID) {
    return isLocalSnippetID(snippetID);
  }

  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 void printExceptionShort(Throwable e) {
    print(exceptionToStringShort(e));
  }

  public static HashSet<String> allClasses_keywords = lithashset("class", "interface", "enum", "sclass", "sinterface", "record", "srecord");

  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 || !eqGetOneOf(tok, i - 2, ".", "include"))) {
        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> tok) {
    if (tok != null)
      for (int i = 1; i + 2 < tok.size(); i += 2) if (allClasses_keywords.contains(tok.get(i)) && isIdentifier(tok.get(i + 2)))
        return tok.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 dummyMainClassName(String progID) {
    return "m" + psI(progID);
  }

  public static File tempDir() {
    return makeTempDir();
  }

  public static String tok_packageName(List<String> tok) {
    int i = jfind(tok, "package");
    if (i < 0)
      return "";
    i += 2;
    int j = jfind(tok, i, ";");
    if (j < 0)
      return "";
    return join(codeTokensOnly(subList(tok, i - 1, j)));
  }

  public static String tok_firstClassName(List<String> tok) {
    int i = jfind(tok, "class <id>");
    return i < 0 ? null : tok.get(i + 2);
  }

  public static File tempDirPossiblyInRAMDisk() {
    File f = linux_fileInRamDisk(aGlobalID());
    if (f != null) {
      f.mkdirs();
      return f;
    }
    return makeTempDir();
  }

  public static boolean loadLibraryOrSrcLib_srcLibsEnabled = true;

  public static File loadLibraryOrSrcLib(String snippetID) {
    try {
      long id = parseSnippetID(snippetID);
      boolean srcLib = loadLibraryOrSrcLib_srcLibsEnabled && isMarkedAsSrcLib(snippetID);
      if (srcLib)
        return pairA(hotwire_compile(snippetID));
      File f = DiskSnippetCache_getLibrary(id);
      if (fileSize(f) != 0)
        return f;
      try {
        return loadDataSnippetToFile(snippetID);
      } catch (Throwable e) {
        if (loadLibraryOrSrcLib_srcLibsEnabled && nempty(loadSnippet(snippetID))) {
          markAsSrcLib(snippetID);
          return pairA(hotwire_compile(snippetID));
        }
        throw rethrow(e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  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 anyFileWithExtensionInDir(File dir, String ext) {
    return nempty(filesWithExtension(ext, findAllFiles_noDirs(dir)));
  }

  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 void deleteDirectory(File dir) {
    deleteDirectory(dir, false, false);
  }

  public static void deleteDirectory(File dir, boolean verbose, boolean testRun) {
    deleteAllFilesInDirectory(dir, verbose, testRun);
    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 {
    boolean forWrite = mode.indexOf('w') >= 0;
    if (forWrite)
      mkdirsForFile(path);
    RandomAccessFile f = new RandomAccessFile(path, mode);
    callJavaX("registerIO", f, path, forWrite);
    return f;
  }

  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 ClassLoader getClassLoaderOrSame(Object o) {
    return o instanceof ClassLoader ? (ClassLoader) o : getClassLoader(o);
  }

  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 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 <A> Set<A> synchroWeakHashSet() {
    return Collections.newSetFromMap((Map) newWeakHashMap());
  }

  public static void cancelTimer(javax.swing.Timer timer) {
    if (timer != null)
      timer.stop();
  }

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

  public static void cancelTimer(Object o) {
    if (o instanceof java.util.Timer)
      cancelTimer((java.util.Timer) o);
    else if (o instanceof javax.swing.Timer)
      cancelTimer((javax.swing.Timer) o);
    else if (o instanceof AutoCloseable) {
      try {
        ((AutoCloseable) o).close();
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
  }

  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 getCachedTranspilationFile(String id) {
    return newFile(getCodeProgramDir(id), "Transpilation");
  }

  public static <A> A vmGeneralMap_get(Object key) {
    return vm_generalMap_get(key);
  }

  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 boolean isLocalSnippetID(String snippetID) {
    return isSnippetID(snippetID) && isLocalSnippetID(psI(snippetID));
  }

  public static boolean isLocalSnippetID(long snippetID) {
    return snippetID >= 1000 && snippetID <= 9999;
  }

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

  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 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 <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 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 boolean isMarkedAsSrcLib(String snippetID) {
    return snippetID != null && fileExists(javaxCodeDir("srclibs/" + psI(snippetID)));
  }

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

  public static Object hotwire_onCompile;

  public static boolean hotwire_serially;

  public static Lock hotwire_overInternalBot_lock = lock();

  public static boolean hotwire_compileOnServer;

  public static Class<?> hotwire_overInternalBot(String progID) {
    return hotwire_overInternalBot(progID, "main");
  }

  public static Class<?> hotwire_overInternalBot(String progID, String mainClass) {
    try {
      Pair<File, String> p = hotwire_compile(progID);
      File jar = p.a;
      assertTrue(jar.getAbsolutePath(), jar.isFile());
      List<File> files = hotwire_collectJars(jar);
      JavaXClassLoader classLoader = hotwire_makeClassLoader(files);
      classLoader.progID = progID;
      return hotwire_finish(classLoader, progID, p.b, mainClass);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Pair<File, String> hotwire_compile(String progID) {
    Pair<File, String> p = hotwire_compileOnServer && !isLocalSnippetID(progID) ? compileSnippetThroughServer(progID) : CompilerBot.compileSnippet2(progID);
    Lock __1341 = hotwire_serially ? hotwire_overInternalBot_lock : null;
    lock(__1341);
    try {
      callF(hotwire_onCompile, p);
      return p;
    } finally {
      unlock(__1341);
    }
  }

  public static void markAsSrcLib(String snippetID) {
    saveTextFile(javaxCodeDir("srclibs/" + psI(snippetID)), "");
  }

  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 List<File> filesWithExtension(String ext, List<File> files) {
    return filesEndingWith(files, addPrefixIfNotEmpty2(".", ext));
  }

  public static List<File> findAllFiles_noDirs(List dirs) {
    return findAllFiles_noDirs(asObjectArray(dirs));
  }

  public static List<File> findAllFiles_noDirs(Object... dirs) {
    List<File> l = new ArrayList();
    for (Object dir : dirs) {
      if (dir instanceof String && ((String) dir).endsWith("/.")) {
        for (File f : listFiles(dropSuffix("/.", (String) dir))) if (f.isFile())
          l.add(f);
      } else
        findAllFiles_noDirs_impl(toFile(dir), l);
    }
    return l;
  }

  public static void findAllFiles_noDirs_impl(File dir, List<File> l) {
    for (File f : listFiles(dir)) {
      if (f.isDirectory())
        findAllFiles_noDirs_impl(f, l);
      else
        l.add(f);
    }
  }

  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 int deleteAllFilesInDirectory_minPathLength = 10;

  public static void deleteAllFilesInDirectory(File dir) {
    deleteAllFilesInDirectory(dir, false, false);
  }

  public static void deleteAllFilesInDirectory(File dir, boolean verbose, boolean testRun) {
    dir = getCanonicalFile(dir);
    assertTrue(f2s(dir), l(f2s(dir)) >= deleteAllFilesInDirectory_minPathLength);
    File[] files = dir.listFiles();
    if (files == null)
      return;
    for (File f : files) {
      if (!isSymLink(f) && f.isDirectory())
        deleteDirectory(f, verbose, testRun);
      else {
        if (verbose)
          print((testRun ? "Would delete " : "Deleting ") + f.getAbsolutePath());
        if (!testRun)
          f.delete();
      }
    }
  }

  public static <A> A callJavaX(String method, Object... args) {
    return (A) callOpt(getJavaX(), method, args);
  }

  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();
      saveTextFile(javaxDataDir("default-vm-args"), nullIfEmpty(args));
    }
  }

  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) {
        if (val == html_valueLessParam())
          buf.append(" " + name);
        else {
          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 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 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 String standardCredentialsUser() {
    return trim(loadTextFile(new File(userHome(), ".tinybrain/username")));
  }

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

  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 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 Cache<Boolean> isLinux_cache = new Cache("isLinux_load");

  public static boolean isLinux() {
    return isLinux_cache.get();
  }

  public static Boolean isLinux_load() {
    return !isWindows() && !isMac() && !isAndroid();
  }

  public static File javaxCodeDir_dir;

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

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

  public static List<File> hotwire_collectJars(File jar) {
    List<String> libIDs = hotwire_libraryIDsFromJar_deleteJarOnFail(jar);
    List<File> files = ll(jar);
    for (String libID : libIDs) files.add(loadLibraryOrSrcLib(libID));
    return files;
  }

  public static Class hotwire_finish(ClassLoader classLoader, String progID, String javaSource) {
    return hotwire_finish(classLoader, progID, javaSource, "main");
  }

  public static Class hotwire_finish(ClassLoader classLoader, String progID, String javaSource, String mainClass) {
    try {
      Class<?> theClass = classLoader.loadClass(mainClass);
      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 Pair<File, String> compileSnippetThroughServer(String progID) {
    String transpiledSrc = getServerTranspiled2(progID);
    String md5 = md5(transpiledSrc + "\n" + progID);
    File jar = CompilerBot.getJarFile(md5);
    if (jar == null || jar.length() <= 22) {
      byte[] jarData = null;
      try {
        jarData = loadBinaryPage("http://www.botcompany.de/jar/" + psI(progID) + "?md5=" + md5(transpiledSrc));
      } catch (Throwable __e) {
        _handleException(__e);
      }
      if (!isJAR(jarData)) {
        print(bytesToHex(takeFirstOfByteArray(8, jarData)));
        print("fallback to CompilerBot: " + fromUtf8(takeFirstOfByteArray(80, jarData)));
        return CompilerBot.compileSnippet2(progID);
      }
      saveBinaryFile(jar, jarData);
    }
    return pair(jar, transpiledSrc);
  }

  public static List<File> filesEndingWith(File dir, String suffix) {
    return listFilesWithSuffix(dir, suffix);
  }

  public static List<File> filesEndingWith(List<File> l, String suffix) {
    List<File> out = new ArrayList();
    for (File f : unnull(l)) if (!f.isDirectory() && (empty(suffix) || endsWithIgnoreCase(f.getName(), suffix)))
      out.add(f);
    return out;
  }

  public static String addPrefixIfNotEmpty2(String prefix, String s) {
    return empty(s) ? "" : addPrefix(prefix, s);
  }

  public static Object[] asObjectArray(List l) {
    return toObjectArray(l);
  }

  public static File toFile(Object o) {
    if (o instanceof File)
      return (File) o;
    if (o instanceof String)
      return new File((String) o);
    throw fail("Not a file: " + o);
  }

  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 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 File getCanonicalFile(File f) {
    try {
      return f == null ? null : f.getCanonicalFile();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isSymLink(File f) {
    return f != null && Files.isSymbolicLink(toPath(f));
  }

  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 joinSubList(tok, i, j);
  }

  public static String javaxDefaultVMArgs() {
    File fileNew, fileOld;
    String text = loadTextFile(fileNew = javaxDataDir("default-vm-args"));
    if (text == null) {
      text = loadTextFile(fileOld = programFile("#1005850", "default-vm-args"));
      if (text != null)
        moveFile(fileOld, fileNew);
    }
    return trim(unnull(text));
  }

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

  public static Object html_valueLessParam_cache;

  public static Object html_valueLessParam() {
    if (html_valueLessParam_cache == null)
      html_valueLessParam_cache = html_valueLessParam_load();
    return html_valueLessParam_cache;
  }

  public static Object html_valueLessParam_load() {
    return new Object();
  }

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

  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 List<String> hotwire_libraryIDsFromJar_deleteJarOnFail(File jar) {
    try {
      return hotwire_libraryIDsFromJar(jar);
    } catch (Throwable _e) {
      jar.delete();
      throw rethrow(_e);
    }
  }

  public static byte[] isJAR_magic = bytesFromHex("504B0304");

  public static boolean isJAR(byte[] data) {
    return byteArrayStartsWith(data, isJAR_magic);
  }

  public static boolean isJAR(File f) {
    return isJAR(loadBeginningOfBinaryFile(f, l(isJAR_magic)));
  }

  public static byte[] takeFirstOfByteArray(byte[] b, int n) {
    return subByteArray(b, 0, n);
  }

  public static byte[] takeFirstOfByteArray(int n, byte[] b) {
    return takeFirstOfByteArray(b, n);
  }

  public static List<File> listFilesWithSuffix(File dir, String suffix) {
    List<File> l = new ArrayList();
    for (File f : listFiles(dir)) if (!f.isDirectory() && (empty(suffix) || endsWithIgnoreCase(f.getName(), suffix)))
      l.add(f);
    return l;
  }

  public static String addPrefix(String prefix, String s) {
    return s.startsWith(prefix) ? s : prefix + s;
  }

  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(Object a, Object b) {
    if (a == null)
      return b == null ? 0 : -1;
    if (b == null)
      return 1;
    return ((Comparable) a).compareTo(b);
  }

  public static Path toPath(File f) {
    return f == null ? null : f.toPath();
  }

  public static File programFile(String name) {
    return prepareProgramFile(name);
  }

  public static File programFile(String progID, String name) {
    return prepareProgramFile(progID, name);
  }

  public static void moveFile(File a, File b) {
    if (!renameFile(a, b))
      throw fail("File move failed: " + a + " to " + b);
  }

  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 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 List<String> hotwire_libraryIDsFromJar(File jar) {
    String dehlibs = unnull(loadTextFileFromZip(jar, "libraries"));
    return regexpExtractAll("\\d+", dehlibs);
  }

  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 byte[] subByteArray(byte[] b, int start, int end) {
    start = max(start, 0);
    end = min(end, l(b));
    if (start == 0 && end == l(b))
      return b;
    if (start >= end)
      return new byte[0];
    byte[] x = new byte[end - start];
    System.arraycopy(b, start, x, 0, end - start);
    return x;
  }

  public static File prepareProgramFile(String name) {
    return mkdirsForFile(getProgramFile(name));
  }

  public static File prepareProgramFile(String progID, String name) {
    return mkdirsForFile(getProgramFile(progID, name));
  }

  public static boolean renameFile(File a, File b) {
    mkdirsForFile(b);
    return a.renameTo(b);
  }

  public static boolean renameFile(File a, String newName) {
    return renameFile(a, fileInSameDir(a, newName));
  }

  public static String loadTextFileFromZip(File inZip, String fileName) {
    return loadTextFileFromZipFile(inZip, fileName);
  }

  public static List<String> regexpExtractAll(String pat, String s) {
    if (s == null)
      return null;
    Matcher m = regexpMatcher(pat, s);
    List<String> out = new ArrayList();
    while (m.find()) out.add(m.group());
    return out;
  }

  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 File fileInSameDir(File f, String newName) {
    return newFile(parentFile(f), newName);
  }

  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 File parentFile(File f) {
    return dirOfFile(f);
  }

  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 File dirOfFile(File f) {
    return f == null ? null : f.getParentFile();
  }

  public static char stringToChar(String s) {
    if (l(s) != 1)
      throw fail("bad stringToChar: " + s);
    return firstChar(s);
  }

  public static char firstChar(String s) {
    return s.charAt(0);
  }

  public static class Cache<A> {

    public Object maker;

    public A value;

    public long loaded;

    public static boolean debug;

    public long changeCount;

    public Lock lock = lock();

    public Cache() {
    }

    public Cache(Object maker) {
      this.maker = maker;
    }

    public A get() {
      if (hasLock(lock))
        return value;
      Lock __1488 = lock;
      lock(__1488);
      try {
        if (loaded == 0) {
          value = make();
          changeCount++;
          loaded = sysNow();
        }
        return value;
      } finally {
        unlock(__1488);
      }
    }

    public void clear() {
      Lock __1489 = lock;
      lock(__1489);
      try {
        if (debug && loaded != 0)
          print("Clearing cache");
        value = null;
        changeCount++;
        loaded = 0;
      } finally {
        unlock(__1489);
      }
    }

    public void clear(double seconds) {
      Lock __1490 = lock;
      lock(__1490);
      try {
        if (seconds != 0 && loaded != 0 && sysNow() >= loaded + seconds * 1000)
          clear();
      } finally {
        unlock(__1490);
      }
    }

    public void set(A a) {
      Lock __1491 = lock;
      lock(__1491);
      try {
        value = a;
        ++changeCount;
        loaded = sysNow();
      } finally {
        unlock(__1491);
      }
    }

    public A make() {
      return (A) callF(maker);
    }
  }

  public static boolean hasLock(Lock lock) {
    return ((ReentrantLock) lock).isHeldByCurrentThread();
  }

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