import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import javax.swing.event.AncestorListener;
import javax.swing.event.AncestorEvent;
import javax.swing.Timer;
public class main {
static class Gen {
  String name;
  Object func;
  
  Gen(String name, Object func) {
  this.func = func;
  this.name = name;}
  
  public String toString() {
    return name;
  }
}

static class GenTesting {
  Object makeGenerators; // voidfunc(L<Gen> gens, L<S> log)
  
  // method to compare generator output & user line
  String comparison = "eqic";
  
  GenTesting(Object makeGenerators) {
  this.makeGenerators = makeGenerators;}

  MultiSet<String> scoreGenerators(List<String> log) {
    return scoreGenerators(log, null);
  }
  
  MultiSet<String> scoreGenerators(List<String> log, BitSet interestingLines) {
    MultiSet<String> scores = new MultiSet<String>();
    for (int i = 0; i < l(log); i++)
      if (interestingLines == null || interestingLines.get(i))
        scoreGenerators1(subList(log, 0, i+1), scores);
    print(/*asciiHeading2("SCORES")*/);
    for (String name : scores.getTopTen())
      print("  [" + scores.get(name) + "] " + name);
    print();
    return scores;
  }
    
  void scoreGenerators1(List<String> log, MultiSet<String> scores) {
    if (empty(log)) return;
    String line = last(log);
    log = dropLast(log);
    
    genLog_set(log);
    try {
      List<Gen> gens = makeGenerators(log);
      
      for (Gen gen : gens) {
        try {
          if (compare(callGen(gen), line))
            scores.add(gen.name);
        } catch (Throwable _e) {}
      }
    } finally {
      genLog_clear();
    }
  }
  
  String callSingle(List<String> log, Object genName) {
    genLog_set(log);
    try {
      List<Gen> gens = makeGenerators(log);
      Gen gen = findByField(gens, "name", genName);
      if (gen == null) return null;
      return callGen(gen);
    } finally {
      genLog_clear();
    }
  }
  
  boolean verifySingle(List<String> log, Object genName) {
    if (empty(log)) return false;
    String line = last(log);
    log = dropLast(log);
    
    genLog_set(log);
    try {
      List<Gen> gens = makeGenerators(log);
      Gen gen = findByField(gens, "name", genName);
      if (gen == null) return false;
      
      try {
        if (compare(callGen(gen), line)) return true;
      } catch (Throwable _e) {} return false;
    } finally {
      genLog_clear();
    }
  }
  
  List<Gen> makeGenerators(List<String> log) {
    List<Gen> gens = new ArrayList<Gen>();
    callF(makeGenerators, gens, log);
    return gens;
  }
  
  // returns score
  int scoreGenerator(List<String> log, String genName) {
    int score = 0;
    for (int i = 1; i < l(log); i++) {
      String expect = log.get(i), s = null;
      boolean ok = false;
      try {
        s = callSingle(subList(log, 0, i), genName);
        ok = compare(s, expect);
      } catch (Throwable e) {
        s = exceptionToStringShort(e);
      }
      if (ok) {
        ++score;
        print(genName + " OK: " + s + (eq(s, expect) ? "" : " / " + expect));
      } else
        print(genName + " NO [" + s + "]: " + expect);
    }
    print();
    return score;
  }
  
  boolean compare(String a, String b) {
    if (eq(comparison, "eq"))
      return eq(a, b);
    else if (eq(comparison, "eqic"))
      return eqic(a, b);
    else if (eq(comparison, "match"))
      return match(a, b);
    else
      throw fail("Unknown comparison: " + comparison);
  }
  
  // run a single generator on all lines and print each line
  void debugSingle(List<String> log, String name) {
    for (int i = 0; i < l(log); i++)
      debugSingle1(subList(log, 0, i+1), name);
  }
  
  void debugSingle1(List<String> log, String genName) {
    String line = last(log);
    log = dropLast(log);
    
    genLog_set(log);
    try {
      List<Gen> gens = makeGenerators(log);
      Gen gen = findByField(gens, "name", genName);
      if (gen == null) return;
      
      boolean ok = false;
      try {
        ok = compare(callGen(gen), line);
      } catch (Throwable _e) {}
      
      print((ok ? "OK" : "NO") + " " + line);
    } finally {
      genLog_clear();
    }
  }
} // GenTesting

static class Thinker {
  MultiSet<String> scores = new MultiSet<String>();
  MultiSet<String> quickScores = new MultiSet<String>();
  boolean useQuickScores;
  int quickAnalysisDepth = 100;
  int listMakingTimeout = 2000;
  int maxListLength = 100;
  int logLengthSeen;
  boolean showExceptions, debug;
  
  void startUp(List<String> log) {
    final List<String> _log = cloneList(log); // Clone to be safe
    
    { Thread _t_0 = new Thread("Full Scoring!") {
public void run() {
try  {
      scores = scores(_log);
    } catch (Exception _e) {
  throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_0.start(); }
  }
  
  MultiSet<String> scores(List<String> log) {
    return makeGT().scoreGenerators(log);
  }
  
  MultiSet<String> scores(List<String> log, BitSet interestingLines) {
    return makeGT().scoreGenerators(log, interestingLines);
  }
  
  GenTesting makeGT() {
    return new GenTesting(new Object() { void get(List<Gen> gens, List<String> log) {  makeGenerators(gens, log);  }
  public String toString() { return "makeGenerators(gens, log);"; }});
  }
  
  void updateQuickScores(List<String> log) {
    if (!useQuickScores) return;
    if (l(log) > logLengthSeen) {
      logLengthSeen = l(log);
      quickScores = makeGT().scoreGenerators((List<String>) call(mc(), "getLastFromLog", quickAnalysisDepth));
    }
  }

  // also called from outside
  void recommendSolver(String solverID) {
    if (!isRecommendedSolver(solverID = fsi(solverID))) {
      print("Adding recommended solver: " + solverID);
      logQuoted("recommendations.txt", solverID);
    } else
      print("Solver already recommended: " + solverID);
  }
  
  boolean isRecommendedSolver(String solverID) {
    return contains(scanLog("recommendations.txt"), fsI(solverID));
  }
  
  // Scoring formula!
  int formula(String genName) {
    return quickScores.get(genName)+scores.get(genName);
  }
  
  List<Gen> sortGenerators(List<Gen> gens, final MultiSet<String> scores) {
    return sortedList(gens, new Object() { Object get(Gen a, Gen b) { return 
      formula(b.name)-formula(a.name)
    ; }
  public String toString() { return "formula(b.name)-formula(a.name)"; }});
  }

  // log = what's in the chat
  // input = what user is typing
  void makeListData(List<String> thelog, String input, List l) {
    try {
      long timeout = now() + listMakingTimeout;
      HashSet<String> seen = new HashSet<String>();
      
      updateQuickScores(log); // not used atm
      
      // extended log including what user is typing
      List<String> xlog = listPlus(thelog, input);
        
      for (List<String> log : litlist(thelog, xlog)) {
        // Make and sort generators
  
        List<Gen> gens = new ArrayList<Gen>();
        try {
          genLog_set(log);
          gCompleting_set(log == xlog);
          makeGenerators(gens, log);
          gens = sortGenerators(gens, scores);
          if (empty(gens)) {
            l.add(ll("No generators"));
            return;
          }
          
          // Generators made. Start making list.
          
          int i = -1;
          while (now() < timeout && l(l) < maxListLength && nempty(gens)) {
            i = (i+1) % l(gens);
            boolean remove = false;
            Gen gen = gens.get(i);
            if (debug)
              print("Trying generator " + gen.name);
            try {
              String s = callGen(gen);
              if (empty(s) || seen.contains(s))
                remove = true;
              else {
                seen.add(s);
                int k = l(l)+1;
                String key = k <= 12 ? "F" + k : null;
                l.add(litorderedmap("Suggestion", s, "Suggester", gen.name, "Key", key));
              }
            } catch (Throwable e) {
              if (showExceptions)
                l.add(litorderedmap("Suggestion", "[error] " + exceptionToStringShort(e), "Suggester", gen.name));
              remove = true;
            }
            if (remove)
              gens.remove(i--);
          }
        } finally {
          genLog_clear();
          gCompleting_set(null);
        }
      }
    } catch (Throwable e) {
      printStackTrace(e);
      l.add(e.toString());
    }
  }
} // Thinker
// put func {}'s returning a string in there
static void makeGenerators(List<Gen> l, final List<String> log) {
  gen(l, new Object() { Object get() { return  "3" ; }
  public String toString() { return "\"3\""; }});
  gen(l, "plus1", new Object() { Object get() { return  parseLong(gI())+1 ; }
  public String toString() { return "parseLong(gI())+1"; }});
  gen(l, "delta", new Object() { Object get() { return  parseLong(g0())*2-parseLong(g1()) ; }
  public String toString() { return "parseLong(g0())*2-parseLong(g1())"; }});
  gen(l, "exponential", new Object() { Object get() { return  sqr(parseLong(g0()))/parseLong(g1()) ; }
  public String toString() { return "sqr(parseLong(g0()))/parseLong(g1())"; }});
  gen(l, "assoc", gOneAssoc());
  gen(l, "adjective magic", new Object() { Object get() { return 
    lineAbove(findAdjectiveComment(findAdjective()))
  ; }
  public String toString() { return "lineAbove(findAdjectiveComment(findAdjective()))"; }});
  gen(l, "complete line", new Object() { Object get() { return 
    gSearchNeq(new Object() { Object get(String s) { return  startsWithIgnoreCase(s, gI()) ; }
  public String toString() { return "startsWithIgnoreCase(s, gI())"; }})
  ; }
  public String toString() { return "gSearchNeq(new O { O get(S s) { ret  startsWithIgnoreCase(s, gI()) ; }\n  public S toString() { ret \"startsWithIgnoreCase(s, gI())\"; }})"; }});
  gen(l, "word search", new Object() { Object get() { return 
    gSearchNeq(new Object() { Object get(String s) { return  match(gI(), s) ; }
  public String toString() { return "match(gI(), s)"; }})
  ; }
  public String toString() { return "gSearchNeq(new O { O get(S s) { ret  match(gI(), s) ; }\n  public S toString() { ret \"match(gI(), s)\"; }})"; }});
  gen(l, "raw string search", new Object() { Object get() { return 
    gSearchNeq(new Object() { Object get(String s) { return  containsIgnoreCase(s, gI()) ; }
  public String toString() { return "containsIgnoreCase(s, gI())"; }})
  ; }
  public String toString() { return "gSearchNeq(new O { O get(S s) { ret  containsIgnoreCase(s, gI()) ; }\n  public S toString() { ret \"containsIgnoreCase(s, gI())\"; }})"; }});
  gen(l, "yes/no from java", new Object() { Object get() { 
    List<String> tok = javaTok(gI());
    if (contains(tok, "t")) return "yes";
    if (contains(tok, "f")) return "no"; return null;
   }
  public String toString() { return "L<S> tok = javaTok(gI());\n    if (contains(tok, \"t\")) ret \"yes\";\n    if (contains(tok, \"f\")) ret \"no\";\n    null;"; }});
}

static String findAdjective() { return findAdjective(gI()); }

static String findAdjective(String s) {
  return findOneOfTheWords(s, "crazy", "nice");
}

static int findAdjectiveComment(final String adjective) {
  if (adjective == null) return -1;
  return gSearchIdx(new Object() { Object get(String s) { return 
    matchStart("that's", s) && find3(adjective, s)
  ; }
  public String toString() { return "matchStart(\"that's\", s) && find3(adjective, s)"; }});
}
 // Generators
static JTable table;
static JTextArea chat;
static JTextField input;
static List<String> log = new ArrayList<String>();
static List<String> recommendations;

static int listDelay = 2000;

static Boolean thinking;
static Thinker thinker = new Thinker();

static String systemPrefix = "[system]";

static String dialog = "new";

static void randomMain() {
  //substanceLAF("EmeraldDusk"); // Too dark!
  substanceLAF("ChallengerDeep");
  loadLog();
  
  logEvent("Starting");

  thinker.startUp(log);
  
  table = tableWithTooltips();
  chat = autoScroll(wordWrapTextArea());
  chat.setText(joinLines(log));
  input = new JTextField();
  JFrame frame = showFrame(vgrid(centerAndSouth(chat, input), table));
  //setFrameIconLater(frame, "#1003593");
  
  onEnter(input, new Runnable() { public void run() { try {
    post();
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
  
  onDoubleClick(table, new Object() { void get(int row) { 
    chooseSuggestion(row);
   }
  public String toString() { return "chooseSuggestion(row);"; }});
  
  for (int i = 1; i <= 12; i++) {
    final int _i = i;
    registerFunctionKey(frame, i, new Runnable() { public void run() { try {
      chooseSuggestion(_i-1);
    } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
  }
  
  onUpdate(input, new Runnable() { public void run() { try { updateOnce(); } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
 
  updateOnce();
  
  input.requestFocus();
  
  if (isAction(last(log)) && confirmYesNo(input, "Run action? " + last(log)))
    action(last(log));
}

static String getInput() {
  return joinLines(" # ", input.getText().trim());
}

static void post() {
  String i = getInput();
  if (inputAllowedByUser(i))
    post(i);
}

static void chooseSuggestion(int row) {
  List<String> line = getTableLine(table, row);
  if (line == null) return;
  Map<String, String> map = getTableLineAsMap(table, row);
  String s = line.get(0);
  if (empty(s)) return;
  
  List topSuggesters = new ArrayList();
  for (int i = 0; i < row; i++)
    topSuggesters.add(getTableLineAsMap(table, i));
  if (empty(topSuggesters)) topSuggesters = null;

  logEvent("Suggestion chosen", mapPlus(map, "Row", row+1, "Input", getInput(), "Top Suggesters", topSuggesters));
  input.setText(s);
  post();
}

static void logEvent(String type) {
  logEvent(type, litmap());
}

static void logEvent(String type, Map map) {
  logStructure(new File(dialogDir(), "event.log"),
    ll(type, chatTime(), map));
}

static boolean inputAllowedByUser(String i) {
  return !swic(i, systemPrefix);
}

// may be called from other thread
static void postSystemMessage(final String msg) {
  if (nempty(msg)) swingNowOrLater(new Runnable() { public void run() { try {
    post(systemPrefix + " " + msg);
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}

static void post(String i) {
  String s = i + "\n";
  chat.append(s);
  appendToFile(logFile(), "[" + chatTime() + "] " + s);
  logEvent("Posting", litmap("Text", s));
  synchronized(mc()) {
    log.add(i);
  }
  input.selectAll();
  updateOnce();
  try {
    action(i);
  } catch (Throwable e) {
    printStackTrace(e);
    postSystemMessage(exceptionToStringShort(e));
  }
}

static boolean isAction(String s) {
  if (s == null) return false;
  s = dropBracketPrefix(s); // e.g. "[bot]"
  return s.startsWith("!");
}

static void action(String s) {
  s = dropBracketPrefix(s); // e.g. "[bot]"
  if (!s.startsWith("!")) return;
  s = dropPrefix("!", s);
  
  final String _s = s;
  { Thread _t_1 = new Thread("Action") {
public void run() {
try  {
    { JWindow _loading_window = showLoadingAnimation(); try {
      try {
        randomCmds(_s);
        actionImpl(_s); // user must provide this
      } catch (Throwable e) {
        printStackTrace(e);
        postSystemMessage("Error - " + exceptionToStringShort(e));
      }
    } finally { disposeWindow(_loading_window); }}
  } catch (Exception _e) {
  throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_1.start(); }
}

static void fillList(boolean force) {
  boolean t = force || shouldUpdateList();
  if (neq(t, thinking)) {
    thinking = t;
    setFrameIcon(table, t ? "#1003603" : "#1003593");
  }
  
  if (!t)
    againl8r();
  else { Thread _t_2 = new Thread("Fill List") {
public void run() {
try  {
    final List<String> data = new ArrayList<String>();
    thinker.makeListData(cloneList(log), getInput(), data);
    
    dataToTable_uneditable(table, data);
    againl8r();
  } catch (Exception _e) {
  throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_2.start(); }
}

static void updateOnce() { fillList(true); }

static void againl8r() {
  swingAfter(table, listDelay, new Runnable() { public void run() { try { fillList(false); } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}

static boolean shouldUpdateList() {
  return getFrame(table).isFocused() && !mouseInComponent(table);
}

// also called from outside
static List<String> loadLog() {
  log.clear();
  for (String s : toLines(loadTextFile(logFile()))) try {
    log.add(substring(s, s.indexOf(']')+1).trim());
  } catch (Throwable __e) { printStackTrace(__e); }
  return log;
}

synchronized static List<String> getLastFromLog(int n) {
  return cloneList(getLast(log, n));
}

static File dialogDir() {
  return prepareProgramFile(dialog);
}

static File logFile() {
  return new File(dialogDir(), "log.txt");
}

static void switchDialog(final String name) {
  swingAndWait(new Runnable() { public void run() { try {
    dialog = name;
    loadLog();
    thinker = new Thinker();
    thinker.startUp(log);
    chat.setText(joinLines(log));
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}

static void randomCmds(String s) {
  Matches m = new Matches();
  if (match("dialog *", s, m)) {
    switchDialog(m.unq(0));
    postSystemMessage("OK, dialog switched to " + quote(dialog));
  }
} // Random Main

public static void main(String[] args) throws Exception { swingLater(new Runnable() { public void run() { try {
  randomMain();
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});}

static void actionImpl(String s) {
  systemCommands(s);
}


static <A> ArrayList<A> ll(A... a) {
  return litlist(a);
}
static LinkedHashMap litorderedmap(Object... x) {
  LinkedHashMap map = new LinkedHashMap();
  litmap_impl(map, x);
  return map;
}
static String dropBracketPrefix(String s) {
  s = s.trim();
  if (s.startsWith("[")) {
    int i = s.indexOf(']');
    return s.substring(i+1).trim();
  }
  return s;
}
static File prepareProgramFile(String name) {
  return mkdirsForFile(getProgramFile(name));
}
static Object callF(Object f, Object... args) {
  return callFunction(f, args);
}
static String joinLines(List<String> lines) {
  return fromLines(lines);
}

static String joinLines(String glue, String text) {
  return join(glue, toLines(text));
}
static <A> List<A> getLast(List<A> l, int n) {
  return subList(l, l(l)-n);
}
static boolean empty(Collection c) {
  return isEmpty(c);
}

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

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

static boolean empty(Object o) {
  if (o instanceof Collection) return empty((Collection) o);
  if (o instanceof String) return empty((String) o);
  if (o instanceof Map) return empty((Map) o);
  return false;
}
static boolean confirmYesNo(Component owner, String msg) {
  return JOptionPane.showConfirmDialog(owner,
    msg, "JavaX", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION;
}
static String[] dropLast(String[] a, int n) {
  n = Math.min(n, a.length);
  String[] b = new String[a.length-n];
  System.arraycopy(a, 0, b, 0, b.length);
  return b;
}

static <A> List<A> dropLast(List<A> l) {
  return subList(l, 0, l(l)-1);
}
static Map<String, String> getTableLineAsMap(JTable tbl, int row) {
  if (row >= 0 && row < tbl.getModel().getRowCount()) {
    Map<String, String> map = new TreeMap<String, String>();
    for (int i = 0; i < tbl.getModel().getColumnCount(); i++)
      map.put(tbl.getModel().getColumnName(i),
        String.valueOf(tbl.getModel().getValueAt(row, i)));
    return map;
  }
  return null;
}
static JPanel vgrid(List parts) {
  return vgrid(asArray(parts));
}

static JPanel vgrid(Object... parts) {
  JPanel panel = new JPanel();
  panel.setLayout(new GridLayout(parts.length, 1));
  smartAdd(panel, parts);
  return panel;
}
  static String quote(String s) {
    if (s == null) return "null";
    return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\"";
  }
  
  static String quote(long l) {
    return quote("" + l);
  }
  
  static String quote(char c) {
    return quote("" + c);
  }

 // Let's just generally synchronize this to be safe.
 static synchronized void appendToFile(String path, String s) { try {
 
    new File(path).getParentFile().mkdirs();
    //print("[Logging to " + path + "]");
    Writer writer = new BufferedWriter(new OutputStreamWriter(
      new FileOutputStream(path, true), "UTF-8"));
    writer.write(s);
    writer.close();
  
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  
  static void appendToFile(File path, String s) {
    if (path != null)
      appendToFile(path.getPath(), s);
  }

static Class mc() {
  return getMainClass();
}
static <A> A findByField(Collection<A> c, String field, Object value) {
  for (A a : c)
    if (eq(getOpt(a, field), value))
      return a;
  return null;
}
// key = 1 to 12
static void registerFunctionKey(JFrame frame, int key, final Runnable r) {
  String name = "F" + key;
  Action action = new AbstractAction(name) {
    public void actionPerformed(ActionEvent evt) {
      r.run();
    }
  };
  
  JComponent pnl = frame.getRootPane();
  
  KeyStroke keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_F1+key-1, 0);
  
  pnl.getActionMap().put(name, action);
  pnl.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(keyStroke, name);
}
  static boolean matchStart(String pat, String s) {
    return matchStart(pat, s, null);
  }
  
  // matches are as you expect, plus an extra item for the rest string
  static boolean matchStart(String pat, String s, Matches matches) {
    if (s == null) return false;
    List<String> tokpat = parse3(pat), toks = parse3(s);
    if (toks.size() < tokpat.size()) return false;
    String[] m = match2(tokpat, toks.subList(0, tokpat.size()));
    //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
    if (m == null)
      return false;
    else {
      if (matches != null) {
        matches.m = new String[m.length+1];
        arraycopy(m, matches.m);
        matches.m[m.length] = join(toks.subList(tokpat.size(), toks.size())); // for Matches.rest()
      }
      return true;
    }
  }
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static String fsI(String id) {
  return formatSnippetID(id);
}
static JTextArea autoScroll(JTextArea t) {
  DefaultCaret caret = (DefaultCaret) t.getCaret();
  caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
  return t;
}
static ThreadLocal<List<String>> genLog_log = new ThreadLocal();

static List<String> genLog() {
  return assertNotNull("No log set for this thread", genLog_log.get());
}

static void genLog_set(List<String> log) {
  genLog_log.set(log);
}

static void genLog_clear() {
  genLog_log.set(null);
}
static String dropPrefix(String prefix, String s) {
  return s.startsWith(prefix) ? s.substring(l(prefix)) : s;
}
static void swingAndWait(Runnable r) { try {
 
  if (isAWTThread())
    r.run();
  else
    EventQueue.invokeAndWait(r);

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

static Object swingAndWait(final Object f) {
  if (isAWTThread())
    return callF(f);
  else {
    final Var result = new Var();
    swingAndWait(new Runnable() { public void run() { try {
      result.set(callF(f));
    } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
    return result.get();
  }
}
// automatic conversion to string (for returning numbers etc.)
static String callGen(Gen gen) {
  return strPreserveNull(callF(gen.func));
}
static <A> A last(List<A> l) {
  return l.isEmpty() ? null : l.get(l.size()-1);
}
static void printStackTrace(Throwable e) {
  // we go to system.out now - system.err is nonsense
  print(getStackTrace(e));
}

static void printStackTrace() {
  printStackTrace(new Throwable());
}
static boolean mouseInComponent(Component c) {
  return boundsOnScreen(c).contains(mousePosition());
}
static <A> List<A> cloneList(Collection<A> l) {
  //O mutex = getOpt(l, "mutex");
  /*if (mutex != null)
    synchronized(mutex) {
      ret new ArrayList<A>(l);
    }
  else
    ret new ArrayList<A>(l);*/
  // assume mutex is equal to collection, which will be true unless you explicitly pass a mutex to synchronizedList() which no one ever does.
  synchronized(l) {
    return new ArrayList<A>(l);
  }
}
static String g0() {
  return last(genLog());
}
static String g1() {
  return nextToLast(genLog());
}
static boolean eq(Object a, Object b) {
  if (a == null) return b == null;
  if (a.equals(b)) return true;
  if (a instanceof BigInteger) {
    if (b instanceof Integer) return a.equals(BigInteger.valueOf((Integer) b));
    if (b instanceof Long) return a.equals(BigInteger.valueOf((Long) b));
  }
  return false;
}
static TableWithTooltips tableWithTooltips() {
  return new TableWithTooltips();
}

static class TableWithTooltips extends JTable {
  public String getToolTipText(MouseEvent e) {
    String tip = null;
    Point p = e.getPoint();
    int rowIndex = rowAtPoint(p);
    int colIndex = columnAtPoint(p);

    try {
      return str(getValueAt(rowIndex, colIndex));
    } catch (Throwable _e) { return null;
    }
  }
}
static Map litmap(Object... x) {
  TreeMap map = new TreeMap();
  litmap_impl(map, x);
  return map;
}

static void litmap_impl(Map map, Object... x) {
  for (int i = 0; i < x.length-1; i += 2)
    if (x[i+1] != null)
      map.put(x[i], x[i+1]);
}
static JTextArea wordWrapTextArea() {
  return wrappedTextArea();
}
  static RuntimeException fail() {
    throw new RuntimeException("fail");
  }
  
  static RuntimeException fail(Object msg) {
    throw new RuntimeException(String.valueOf(msg));
  }
  
  static RuntimeException fail(String msg) {
    throw new RuntimeException(unnull(msg));
  }
   
  // disabled for now to shorten some programs 
  /*static RuntimeException fail(S msg, O... args) {
    throw new RuntimeException(format(msg, args));
  }*/
static void onEnter(JTextField tf, final Runnable action) {
  tf.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent evt) {
      try {
        action.run();
      } catch (Throwable e) {
        e.printStackTrace();
      }
    }
  });
}
static boolean contains(Collection c, Object o) {
  return c != null && c.contains(o);
}

static boolean contains(Object[] x, Object o) {
  if (x != null)
    for (Object a : x)
      if (eq(a, o))
        return true;
  return false;
}
static int gSearchIdx(Object predicate) {
  return gSearchIdx(predicate, 0);
}

static int gSearchIdx(Object predicate, int startIdx) {
  if (predicate == null) return -1;
  List<String> log = genLog();
  for (int i = l(log)-startIdx-1; i >= 0; i--)
    if (isTrue(callF(predicate, log.get(i))))
      return i;
  return -1;
}
static void logStructure(File logFile, Object o) {
  logQuoted(logFile, structure(o));
}

// quick version - log to file in program directory
static void logStructure(String fileName, Object o) {
  logStructure(getProgramFile(fileName), o);
}
static List sortedList(List l, Object comparator) {
  return sorted(l, comparator);
}
static String fsi(String id) {
  return formatSnippetID(id);
}
static Object gOneAssoc() {
  return new Object() { Object get() { 
    List<String> log = genLog();
    for (int i = l(log)-2; i >= 0; i--)
      if (eqic(log.get(i), last(log)))
        return log.get(i+1); return null;
   }
  public String toString() { return "L<S> log = genLog();\n    for (int i = l(log)-2; i >= 0; i--)\n      if (eqic(log.get(i), last(log)))\n        ret log.get(i+1);\n    null;"; }};
}
static String gI() {
  return last(genLog());
}
static JFrame getFrame(Object o) {
  if (!(o instanceof Component)) return null;
  Component c = (Component) o;
  while (c != null) {
    if (c instanceof JFrame) return (JFrame) c;
    c = c.getParent();
  }
  return null;
}
// replacement for class JavaTok
// maybe incomplete, might want to add floating point numbers
// todo also: extended multi-line strings

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

    // scan for non-whitespace
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else if (cc.equals("[[")) {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (cc.equals("[=") && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else
      ++j;

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

static List<String> javaTok(List<String> tok) {
  return javaTok(join(tok));
}
static JPanel centerAndSouth(Component c, Component s) {
  JPanel panel = new JPanel(new BorderLayout());
  panel.add(BorderLayout.CENTER, wrap(c));
  panel.add(BorderLayout.SOUTH, wrap(s));
  return panel;
}
static boolean swic(String a, String b) {
  return startsWithIgnoreCase(a, b);
}
static String lineAbove(int i) {
  return get(genLog(), i-1);
}
static JTable dataToTable_uneditable(final JTable table, final Object data) {
  swingNowOrLater(new Runnable() { public void run() { try {
    dataToTable(table, data, true);
    makeTableUneditable(table);
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
  return table;
}

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

static void substanceLAF(String skinName) {
  try {
    if (!substanceLookAndFeelEnabled()) {
      Object x = hotwire("#1003448");
      if (skinName != null)
        set(x, "skinName", skinName);
      runMain(x);
      JFrame.setDefaultLookAndFeelDecorated(substanceLookAndFeelEnabled());
    }
  } catch (Throwable __e) { printStackTrace(__e); }
}
// runnable can be a func(O o) {} receving the selected item
static void onDoubleClick(final JList list, final Object runnable) {
  list.addMouseListener(new MouseAdapter() {
    public void mouseClicked(MouseEvent evt) {
      if (evt.getClickCount() == 2) {
        int idx = list.locationToIndex(evt.getPoint());
        Object item = list.getModel().getElementAt(idx);
        list.setSelectedIndex(idx);
        callF(runnable, item);
      }
    }
  });
}

// runnable can be a func(O o) {} receving the selected row index
static void onDoubleClick(final JTable table, final Object runnable) {
  table.addMouseListener(new MouseAdapter() {
    public void mouseClicked(MouseEvent evt) {
      if (evt.getClickCount() == 2) {
        int idx = table.rowAtPoint(evt.getPoint());
        table.setRowSelectionInterval(idx, idx);
        callF(runnable, idx);
      }
    }
  });
}
static <A, B> Map<A, B> mapPlus(Map<A, B> m, Object... data) {
  m = cloneTreeMap(m);
  litmap_impl(m, data);
  return m;
}
static void logQuoted(String logFile, String line) {
  logQuoted(getProgramFile(logFile), line);
}

static void logQuoted(File logFile, String line) {
  appendToFile(logFile, quote(line) + "\n");
}
static String substring(String s, int x) {
  return safeSubstring(s, x);
}

static String substring(String s, int x, int y) {
  return safeSubstring(s, x, y);
}
static List<String> getTableLine(JTable tbl, int row) {
  if (row >= 0 && row < tbl.getModel().getRowCount()) {
    List<String> l = new ArrayList<String>();
    for (int i = 0; i < tbl.getModel().getColumnCount(); i++)
      l.add(String.valueOf(tbl.getModel().getValueAt(row, i)));
    return l;
  }
  return null;
}
static String gSearchNeq(Object predicate) {
  return _get(genLog(), gSearchNeqIdx(predicate));
}
// assumes the function returns toString()
static void gen(List<Gen> l, Object func) {
  l.add(new Gen(str(func), func));
}

static void gen(List<Gen> l, String name, Object func) {
  l.add(new Gen(name, func));
}

static void gen(List<Gen> l, int line, Object func) {
  gen(l, str(line), func);
}

static void gen(List<Gen> l, Quine q) {
  gen(l, q.text, q.value);
}

  static boolean find3(String pat, String s) {
    return find3(pat, s, null);
  }
  
  static boolean find3(String pat, String s, Matches matches) {
    List<String> tokpat = parse3(pat), toks = parse3(s);
    String[] m = find2(tokpat, toks);
    //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
    if (m == null)
      return false;
    else {
      if (matches != null) matches.m = m;
      return true;
    }
  }
static long sqr(long l) {
  return l*l;
}
static <A> ArrayList<A> litlist(A... a) {
  return new ArrayList<A>(Arrays.asList(a));
}
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}

static List<String> toLines(File f) {
  return toLines(loadTextFile(f));
}

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

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

      start = i;
    }
    return lines;
  }

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

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

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

static JFrame showFrame(String title, Object content) {
  return makeFrame(title, content);
}
static void systemCommands(String s) {
  postSystemMessage(systemCommands_impl(s));
}

static String systemCommands_impl(String s) {
  Matches m = new Matches();
  
  // SYSTEM COMMANDS
  
  if (matchOneOf(s, m, "start program *", "start *")
    && isSnippetID(m.unq(0))) {
    String progID = m.fsi(0);
    String title = getSnippetTitle(progID);
    // TODO: Show author!
    String msg = "Run program " + progID + " - " + title + "?";
    if (confirmOKCancel(chat, msg)) {
      postSystemMessage("Starting program " + progID + " - " + quote(title));
      nohupJavax(progID);
    } else
      postSystemMessage("Program start cancelled by user (was: " + progID + ")");
  }
  
  if (match("hotwire * with argument *", s, m)) {
    String progID = m.fsi(0), arg = m.unq(1);
    String title = getSnippetTitle(progID);
    
    String msg = "Hotwire & run program " + progID + " - " + quote(title) + " with argument " + quote(arg) + "?";
    if (confirmOKCancel(chat, msg)) {
      postSystemMessage("Hotwiring & running program " + progID + " - " + quote(title) + " with argument " + quote(arg));
      run(progID, arg);
    } else
      postSystemMessage("Program start cancelled by user (was: " + progID + ")");
  }
  
  if (match("jfresh", s, m)) {
    return veryQuickJava_refresh() ? "OK, translator dropped." : "Nothing to do";
  }
  
  if (startsWith(s, "java ")) {
    String code = dropPrefix("java", s);
    return systemCommands_evalJava(code);
  }
  
  if (startsWith(s, "jfresh ")) {
    veryQuickJava_refresh();
    String code = dropPrefix("jfresh", s);
    return systemCommands_evalJava(code);
  } return null;
}

static Object systemCommands_lastResult;

static String systemCommands_evalJava(String code) {
  code = trim(code);
  code = tok_addReturn(code);
  String returnType = containsReturn(code) ? "O" : "void";
  String main = "!include #1003911\n" + // functions for quick eval
    "static " + returnType + " calc() { " + code + " }";
  Object obj = veryQuickJava(main);
  long time = now();
  Object result = callCalc(obj);
  systemCommands_lastResult = result;
  time = now()-time;
  return "Java code returned: " + structure(result) + " [" + time + " ms]";
}

static String findOneOfTheWords(String s, String... words) {
  List<String> tok = nlTok(s);
  for (int i = 1; i < l(tok); i += 2)
    if (eqicOneOf(tok.get(i), words))
      return tok.get(i); return null;
}

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

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

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

static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
  startIndex = max(0, min(l(l), startIndex));
  endIndex = max(0, min(l(l), endIndex));
  if (startIndex > endIndex) return litlist();
  return l.subList(startIndex, endIndex);
}
static void swingAfter(JFrame base, int delay, Runnable r) {
  installTimer((JComponent) base.getContentPane(), r, delay, delay, false);
}

static void swingAfter(JComponent base, int delay, Runnable r) {
  installTimer(base, r, delay, delay, false);
}
  public static String loadTextFile(String fileName) {
    try {
      return loadTextFile(fileName, null);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  public static String loadTextFile(String fileName, String defaultContents) throws IOException {
    if (!new File(fileName).exists())
      return defaultContents;

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

  public static String loadTextFile(File fileName, String defaultContents) throws IOException {
    try {
      return loadTextFile(fileName.getPath(), defaultContents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  public static String loadTextFile(Reader reader) throws IOException {
    StringBuilder builder = new StringBuilder();
    try {
      char[] buffer = new char[1024];
      int n;
      while (-1 != (n = reader.read(buffer)))
        builder.append(buffer, 0, n);
        
    } finally {
      reader.close();
    }
    return builder.toString();
  }
static boolean match(String pat, String s) {
  return match3(pat, s);
}

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

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

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

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

static boolean eqic(String a, String b) {
  if ((a == null) != (b == null)) return false;
  if (a == null) return true;
  return a.equalsIgnoreCase(b);
}
static String chatTime() {
  return formatInt(month(), 2) + "/" + formatInt(days(), 2) + " " + formatInt(hours(), 2) + ":" + formatInt(minutes(), 2) + ":" + formatInt(seconds(), 2);
}
static <A> List<A> listPlus(List<A> l, A... more) {
  return concatLists(l, asList(more));
}
static boolean containsIgnoreCase(List<String> l, String s) {
  for (String x : l)
    if (eqic(x, s))
      return true;
  return false;
}

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

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

static boolean containsIgnoreCase(String a, String b) {
  return indexOfIgnoreCase(a, b) >= 0;
}
static int l(Object[] array) {
  return array == null ? 0 : array.length;
}

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

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

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

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

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

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


static String exceptionToStringShort(Throwable e) {
  e = getInnerException(e);
  String msg = unnull(e.getMessage());
  if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
    return dropPrefix("java.lang.", str(e));
  else
    return msg;
}
  static Object call(Object o) {
    return callFunction(o);
  }
  
  // varargs assignment fixer for a single string array argument
  static Object call(Object o, String method, String[] arg) {
    return call(o, method, new Object[] {arg});
  }
  
  static Object call(Object o, String method, Object... args) {
    try {
      if (o instanceof Class) {
        Method m = call_findStaticMethod((Class) o, method, args, false);
        m.setAccessible(true);
        return m.invoke(null, args);
      } else {
        Method m = call_findMethod(o, method, args, false);
        m.setAccessible(true);
        return m.invoke(o, args);
      }
    } catch (Exception e) {
      throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
    }
  }

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

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

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

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

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


static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static volatile StringBuffer print_log = local_log; // might be redirected, e.g. to main bot

// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;

static boolean print_silent; // total mute if set

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

// slightly overblown signature to return original object...
static <A> A print(A o) {
  if (print_silent) return o;
  String s = String.valueOf(o) + "\n";
  StringBuffer loc = local_log;
  StringBuffer buf = print_log;
  int loc_max = print_log_max;
  if (buf != loc && buf != null) {
    print_append(buf, s, print_log_max);
    loc_max = local_log_max;
  }
  if (loc != null) 
    print_append(loc, s, loc_max);
  System.out.print(s);
  return o;
}

static void print(long l) {
  print(String.valueOf(l));
}

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

static void print_append(StringBuffer buf, String s, int max) {
  synchronized(buf) {
    buf.append(s);
    max /= 2;
    if (buf.length() > max) try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
  }
}
static ThreadLocal<Boolean> gCompleting = new ThreadLocal();

static boolean gCompleting() {
  return isTrue(gCompleting.get());
}

static void gCompleting_set(Boolean b) {
  gCompleting.set(b);
}
static long parseLong(String s) {
  if (s == null) return 0;
  return Long.parseLong(dropSuffix("L", s));
}

static long parseLong(Object s) {
  return Long.parseLong((String) s);
}
// action = runnable or method name
static void onUpdate(JTextComponent c, final Object r) {
  c.getDocument().addDocumentListener(new DocumentListener() {
    public void insertUpdate(DocumentEvent e) {
      callFunction(r);
    }
    public void removeUpdate(DocumentEvent e) {
      callFunction(r);
    }
    public void changedUpdate(DocumentEvent e) {
      callFunction(r);
    }
  });
}
static boolean startsWithIgnoreCase(String a, String b) {
  return a != null && a.regionMatches(true, 0, b, 0, b.length());
}
static void setFrameIcon(JFrame frame, String imageID) {
  try {
    if (frame != null)
      frame.setIconImage(imageIcon(imageID).getImage());
  } catch (Throwable __e) { printStackTrace(__e); }
}

static void setFrameIcon(Component c, String imageID) {
  setFrameIcon(getFrame(c), imageID);
}


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

static Object[] asArray(Class type, List l) {
  return l.toArray((Object[]) Array.newInstance(type, l.size()));
}
static JFrame makeFrame() {
  return makeFrame((Component) null);
}

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

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

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

static JFrame makeFrame(String title, Object content, boolean showIt) {
  JFrame frame = new JFrame(title);
  if (content != null)
    frame.getContentPane().add(wrap(content));
  frame.setBounds(300, 100, 500, 400);
  if (showIt)
    frame.setVisible(true);
  //callOpt(content, "requestFocus");
  //exitOnFrameClose(frame);
  
  // standard right-click behavior on titles
  if (isSubstanceLAF())
    onTitleRightClick(frame, new Runnable() { public void run() { try { showConsole(); } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
  return frame;
}
static Object callFunction(Object f, Object... args) {
  if (f == null) return null;
  if (f instanceof Runnable) {
    ((Runnable) f).run();
    return null;
  } else if (f instanceof String)
    return call(mc(), (String) f, args);
  else
    return call(f, "get", args);
  //else throw fail("Can't call a " + getClassName(f));
}
static <A> ArrayList<A> asList(A[] a) {
  return new ArrayList<A>(Arrays.asList(a));
}

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

static <A> ArrayList<A> asList(Collection<A> s) {
  return s == null ? new ArrayList() 
    : s instanceof ArrayList ? (ArrayList) s : new ArrayList(s);
}
// hopefully covers all cases :)
static String safeSubstring(String s, int x, int y) {
  if (s == null) return null;
  if (x < 0) x = 0;
  if (x > s.length()) return "";
  if (y < x) y = x;
  if (y > s.length()) y = s.length();
  return s.substring(x, y);
}

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

static int seconds() {
  return Calendar.getInstance().get(Calendar.SECOND);
}
static String trim(String s) { return s == null ? null : s.trim(); }
static String trim(StringBuilder buf) { return buf.toString().trim(); }
static String trim(StringBuffer buf) { return buf.toString().trim(); }
static <A> A assertNotNull(A a) {
  assertTrue(a != null);
  return a;
}

static <A> A assertNotNull(String msg, A a) {
  assertTrue(msg, a != null);
  return a;
}
  public static String join(String glue, Iterable<String> strings) {
    StringBuilder buf = new StringBuilder();
    Iterator<String> i = strings.iterator();
    if (i.hasNext()) {
      buf.append(i.next());
      while (i.hasNext())
        buf.append(glue).append(i.next());
    }
    return buf.toString();
  }
  
  public static String join(String glue, String[] strings) {
    return join(glue, Arrays.asList(strings));
  }
  
  public static String join(Iterable<String> strings) {
    return join("", strings);
  }
  
  public static String join(String[] strings) {
    return join("", strings);
  }

static boolean isAWTThread() {
  return SwingUtilities.isEventDispatchThread();
}
static JTextArea wrappedTextArea() {
  JTextArea ta = new JTextArea();
  ta.setLineWrap(true);
  ta.setWrapStyleWord(true);
  return ta;
}
static boolean substanceLookAndFeelEnabled() {
  return startsWith(getLookAndFeel(), "org.pushingpixels.");
}
static void smartAdd(JPanel panel, Object... parts) {
  for (Object o : parts) {
    Component c;
    if (o instanceof String)
      c = new JLabel((String) o);
    else
      c = wrap(o);
    panel.add(c);
  }
}
static boolean isProperlyQuoted(String s) {
  return s.length() >= 2
    && s.startsWith("\"")
    && s.endsWith("\"")
    && !s.endsWith("\\\"");
}
static String strPreserveNull(Object s) {
  return s == null ? null : str(s);
}
static Point mousePosition() {
  return MouseInfo.getPointerInfo().getLocation();
}
static String str(Object o) {
  return String.valueOf(o);
}
static List sorted(List l, final Object comparator) {
  sort(l = cloneList(l), new Comparator() {
    public int compare(Object a, Object b) {
      return (int) callFunction(comparator, a, b);
    }
  });
  return l;
}

  static String unnull(String s) {
    return s == null ? "" : s;
  }
  
  static <A> List<A> unnull(List<A> l) {
    return l == null ? emptyList() : l;
  }
  
  static Object[] unnull(Object[] a) {
    return a == null ? new Object[0] : a;
  }
  static JTable dataToTable(Object data) {
    return dataToTable(showTable(), data);
  }
  
  static JTable dataToTable(Object data, String title) {
    return dataToTable(showTable(title), data);
  }
  
  static JTable dataToTable(JTable table, Object data) {
    return dataToTable(table, data, false);
  }
  
  static JTable dataToTable(JTable table, Object data, boolean now) {
    List<List<String>> rows = new ArrayList<List<String>>();
    List<String> cols = new ArrayList<String>();

    if (data instanceof List) {
      for (Object x : (List) data) try {
        rows.add(dataToTable_makeRow(x, cols));
      } catch (Throwable __e) { printStackTrace(__e); }
    } else if (data instanceof Map) {
      Map map = (Map) ( data);
      for (Object key : map.keySet()) {
        Object value = map.get(key);
        rows.add(litlist(structureOrText(key), structureOrText(value)));
      }
    } else
      print("Unknown data type: " + data);

    if (now)
      table.setModel(fillTableWithStrings_makeModel(rows, toStringArray(cols)));
    else
      fillTableWithStrings(table, rows, cols);
    return table;
  }

  static List<String> parse3(String s) {
    return dropPunctuation(javaTokPlusPeriod(s));
  }
  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }
static Rectangle boundsOnScreen(Component c) {
  if (c.getParent() instanceof JViewport
    && c.getParent().getParent() instanceof JScrollPane)
    c = c.getParent().getParent();
  return new Rectangle(c.getLocationOnScreen(), c.getSize());
}
// patterns last so we can use var args
static boolean matchOneOf(String s, Matches m, String... pats) {
  for (String pat : pats)
    if (match(pat, s, m)) return true; return false;
}

static boolean matchOneOf(String s, String... pats) {
  return matchOneOf(s, null, pats);
}
static int min(int a, int b) {
  return Math.min(a, b);
}

static double min(double[] c) {
  double x = Double.MAX_VALUE;
  for (double d : c) x = Math.min(x, d);
  return x;
}

static byte min(byte[] c) {
  byte x = 127;
  for (byte d : c) if (d < x) x = d;
  return x;
}
static void arraycopy(Object[] a, Object[] b) {
  int n = min(a.length, b.length);
  for (int i = 0; i < n; i++)
    b[i] = a[i];
}

static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
  System.arraycopy(src, srcPos, dest, destPos, n);
}
// get purpose 1: access a list/array (safer version of x.get(y))

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

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

// get purpose 2: access a field by reflection or a map

static Object get(Object o, String field) {
  if (o instanceof Class) return get((Class) o, field);
  
  if (o instanceof Map)
    return ((Map) o).get(field);
    
  if (o.getClass().getName().equals("main$DynamicObject"))
    return call(get_raw(o, "fieldValues"), "get", field);
    
  return get_raw(o, field);
}

static Object get_raw(Object o, String field) {
  try {
    Field f = get_findField(o.getClass(), field);
    f.setAccessible(true);
    return f.get(o);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Object get(Class c, String field) {
  try {
    Field f = get_findStaticField(c, field);
    f.setAccessible(true);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

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

static Field get_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
// We dropped the "***" support here (use match3 for that)

static String[] find2(List<String> pat, List<String> tok) {
  for (int idx = 0; idx < tok.size(); idx += 2) {
    String[] result = find2(pat, tok, idx);
    if (result != null) return result;
  }
  return null;
}

static String[] find2(List<String> pat, List<String> tok, int idx) {
  if (idx+pat.size() > tok.size())
    return null;
  List<String> result = new ArrayList<String>();
  for (int i = 1; i < pat.size(); i += 2) {
    String p = pat.get(i), t = tok.get(idx+i);
    if (eq(p, "*"))
      result.add(t);
    else if (!p.equalsIgnoreCase(t))
      return null;
  }
  return toStringArray(result);
}

static void nohupJavax(String javaxargs) {
  nohupJavax(javaxargs, "");
}

// vm args are ignored if pre-spun VM found...
static void nohupJavax(String javaxargs, String vmArgs) {
  javaxargs = javaxargs.trim();
  if (javaxargs.startsWith("#")) javaxargs = javaxargs.substring(1);
  String snippetID = javaTok(javaxargs).get(1);
  int idx = javaxargs.indexOf(' ');
  String args = idx < 0 ? "" : javaxargs.substring(idx+1).trim();
  
  String line;
  if (args.length() != 0)
    line = format3("please start program * with arguments *", snippetID, args);
  else
    line = format3("please start program *", snippetID);
  String answer = sendToLocalBotOpt("A pre-spun VM.", line);
  if (match3("ok", answer)) {
    print("OK, used pre-spun VM.");
  } else {
    if (answer != null)
      print("> " + answer);
    print("Using standard nohup.");
    classicNohupJavax(javaxargs, vmArgs);
  }
}
static Class getMainClass() { try {
 
  return Class.forName("main");

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

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

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  static void set(Object o, String field, Object value) {
    if (o instanceof Class) set((Class) o, field, value);
    else try {
      Field f = set_findField(o.getClass(), field);
      smartSet(f, o, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
  
  static void set(Class c, String field, Object value) {
    try {
      Field f = set_findStaticField(c, field);
      smartSet(f, null, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
  
  static Field set_findField(Class<?> c, String field) {
    for (Field f : c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
  }
  
  static Field set_findStaticField(Class<?> c, String field) {
    for (Field f : c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
        return f;
    throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
  }
static int max(int a, int b) {
  return Math.max(a, b);
}

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

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

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

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

static double max(double[] c) {
  if (c.length == 0) return Double.MIN_VALUE;
  double x = c[0];
  for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
  return x;
}

static byte max(byte[] c) {
  byte x = -128;
  for (byte d : c) if (d > x) x = d;
  return x;
}
static Throwable getInnerException(Throwable e) {
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}
static boolean isTrue(Object o) {
  return booleanValue(o);
}
static int days() {
  return Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
}
// works on lists and strings and null

static int indexOfIgnoreCase(Object a, Object b) {
  if (a == null) return -1;
  if (a instanceof String) {
     Matcher m = Pattern.compile((String) b, Pattern.CASE_INSENSITIVE + Pattern.LITERAL).matcher((String) a);
     if (m.find()) return m.start(); else return -1;
  }
  if (a instanceof List) {
    for (int i = 0; i < ((List) a).size(); i++) {
      Object o = ((List) a).get(i);
      if (o != null && ((String) o).equalsIgnoreCase((String) b))
        return i;
    }
    return -1;
  }
  throw fail("Unknown type: " + a);
}
// c = Component or something implementing swing()
static Component wrap(Object swingable) {
  Component c = (Component) ( swingable instanceof Component ? swingable : call(swingable, "swing"));
  if (c instanceof JTable || c instanceof JList || c instanceof JTextArea)
    return new JScrollPane(c);
  return c;
}

static Object callCalc(Object o) {
  return call(o, "calc");
}
// We'd be really fancy if we filtered out return statements in
// inner blocks.
static boolean containsReturn(String code) {
  return containsOneOf(javaTok(code), "ret", "return");
}
// match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens)

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

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

static <A> A nextToLast(List<A> l) {
  return get(l, l(l)-2);
}
static String getSnippetTitle(String id) { try {
 
  return loadPageSilently(new URL("http://tinybrain.de:8080/tb-int/getfield.php?id=" + parseSnippetID(id) + "&field=title"));

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String formatInt(int i, int digits) {
  return padLeft(str(i), '0', digits);
}

  // class Matches is added by #752
 
  static boolean match3(String pat, String s) {
    return match3(pat, s, null);
  }
  
  static boolean match3(String pat, String s, Matches matches) {
    if (s == null) return false;
    return match3(pat, parse3(s), matches);
  }
    
  static boolean match3(String pat, List<String> toks, Matches matches) {
    List<String> tokpat = parse3(pat);
    return match3(tokpat,toks,matches);
  }

  static boolean match3(List<String> tokpat, List<String> toks, Matches matches) {

    String[] m = match2(tokpat, toks);
    //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
    if (m == null)
      return false;
    else {
      if (matches != null) matches.m = m;
      return true;
    }
  }
static Class run(String progID, String... args) {
  Class main = hotwire(progID);
  callMain(main, args);
  return main;
}
static String getStackTrace(Throwable throwable) {
  StringWriter writer = new StringWriter();
  throwable.printStackTrace(new PrintWriter(writer));
  return writer.toString();
}
static void makeTableUneditable(JTable table) {
  for (int c = 0; c < table.getColumnCount(); c++) {
    Class<?> col_class = table.getColumnClass(c);
    table.setDefaultEditor(col_class, null); // remove editor
  }
}
static String formatSnippetID(String id) {
  return "#" + parseSnippetID(id);
}

static String formatSnippetID(long id) {
  return "#" + id;
}
// returns true if a translator had been loaded
static synchronized boolean veryQuickJava_refresh() {
  if (getOpt(mc(), "transpileRaw_trans") == null) return false;
  setOpt(mc(), "transpileRaw_trans", null); return true;
}
// extended over Class.isInstance() to handle primitive types
static boolean isInstanceX(Class type, Object arg) {
  if (type == boolean.class) return arg instanceof Boolean;
  if (type == int.class) return arg instanceof Integer;
  if (type == long.class) return arg instanceof Long;
  if (type == float.class) return arg instanceof Float;
  if (type == short.class) return arg instanceof Short;
  if (type == char.class) return arg instanceof Character;
  if (type == byte.class) return arg instanceof Byte;
  if (type == double.class) return arg instanceof Double;
  return type.isInstance(arg);
}
static int minutes() {
  return Calendar.getInstance().get(Calendar.MINUTE);
}
static int month() {
  return Calendar.getInstance().get(Calendar.MONTH)+1;
}
  static <A> List<A> concatLists(List<A>... lists) {
    List<A> l = new ArrayList<A>();
    for (List<A> list : lists)
      if (list != null)
        l.addAll(list);
    return l;
  }

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

static void runMain(Object c, String... args) {
  callMain(c, args);
}
static <A> A _get(List<A> l, int idx) {
  return idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
static boolean confirmOKCancel(final Component owner, final String msg) {
  return isTrue(swingAndWait(new Object() { Object get() { return 
    JOptionPane.showConfirmDialog(owner,
      msg, "JavaX", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION
  ; }
  public String toString() { return "JOptionPane.showConfirmDialog(owner,\n      msg, \"JavaX\", JOptionPane.OK_CANCEL_OPTION) == JOptionPane.OK_OPTION"; }}));
}
static int gSearchNeqIdx(Object predicate) {
  return gSearchNeqIdx(predicate, 1); // no sense to start from 0
}

static int gSearchNeqIdx(final Object predicate, int startIdx) {
  return gSearchIdx(new Object() { Object get(String s) { return 
    neq(s, gI()) && isTrue(callF(predicate, s))
  ; }
  public String toString() { return "neq(s, gI()) && isTrue(callF(predicate, s))"; }}, startIdx);
}
// optionally convert expression to return statement
static String tok_addReturn(List<String> tok) {
  String lastToken = get(tok, l(tok)-2);
  //print("addReturn: " + structure(tok) + ", lastToken: " + quote(lastToken));
  if (eq(lastToken, "}") || eq(lastToken, ";")) return join(tok);
  return "ret " + join(tok) + ";";
}

static String tok_addReturn(String s) {
  return tok_addReturn(javaTok(s));
}
public static File mkdirsForFile(File file) {
  File dir = file.getParentFile();
  if (dir != null) // is null if file is in current dir
    dir.mkdirs();
  return file;
}

  public static String fromLines(List<String> lines) {
    StringBuilder buf = new StringBuilder();
    if (lines != null)
      for (String line : lines)
        buf.append(line).append('\n');
    return buf.toString();
  }
static <A, B> Map<A, B> cloneTreeMap(Map<A, B> map) {
  // assume mutex is equal to collection, which will be true unless you explicitly pass a mutex to synchronizedList() which no one ever does.
  synchronized(map) {
    return map == null ? new TreeMap(): new TreeMap(map);
  }
}
static ImageIcon imageIcon(String imageID) { try {
 
  return new ImageIcon(loadLibrary(imageID).toURI().toURL());

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

// first delay = delay
static void installTimer(JComponent component, Runnable r, int delay) {
  installTimer(component, r, delay, delay);
}

// first delay = delay
static void installTimer(JFrame frame, int delay, Runnable r) {
  installTimer(frame.getRootPane(), r, delay, delay);
}

// first delay = delay
static void installTimer(JComponent component, int delay, Runnable r) {
  installTimer(component, r, delay, delay);
}

static void installTimer(final JComponent component, final Runnable r, final int delay, final int firstDelay) {
  installTimer(component, r, delay, firstDelay, true);
}

static void installTimer(final JComponent component, final Runnable r, final int delay, final int firstDelay, final boolean repeats) {
  swingLater(new Runnable() { public void run() { try {
    final Timer timer = new Timer(delay, new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) {
      r.run();
    }});
    timer.setInitialDelay(firstDelay);
    timer.setRepeats(repeats);
    
    if (component.isShowing())
      timer.start();
  
    component.addAncestorListener(new AncestorListener() {
      public void ancestorAdded(AncestorEvent event) {
        timer.start();
      }
  
      public void ancestorRemoved(AncestorEvent event) {
        timer.stop();
      }
  
      public void ancestorMoved(AncestorEvent event) {
      }
    });
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}

  // compile JavaX source, load classes & return main class
  // src can be a snippet ID or actual source code
  // TODO: record injection?
  
  static Class<?> hotwire(String src) {
    try {
      Class j = getJavaX();
      
      synchronized(j) { // hopefully this goes well...
        List<File> libraries = new ArrayList<File>();
        File srcDir = (File) call(j, "transpileMain", src, libraries);
        if (srcDir == null)
          throw fail("transpileMain returned null (src=" + quote(src) + ")");
        
        Object androidContext = get(j, "androidContext");
        if (androidContext != null)
          return (Class) call(j, "loadx2android", srcDir, src);
          
        File classesDir = (File) call(j, "TempDirMaker_make");
        String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir);
        System.out.println(javacOutput);
        
        URL[] urls = new URL[libraries.size()+1];
        urls[0] = classesDir.toURI().toURL();
        for (int i = 0; i < libraries.size(); i++)
          urls[i+1] = libraries.get(i).toURI().toURL();
  
        // make class loader
        URLClassLoader classLoader = new URLClassLoader(urls);
    
        // load & return main class
        Class<?> theClass = classLoader.loadClass("main");
        
        callOpt(j, "registerSourceCode", theClass, loadTextFile(new File(srcDir, "main.java")));

        call(j, "setVars", theClass, isSnippetID(src) ? src: null);
        
        if (isSnippetID(src))
          callOpt(j, "addInstance", src, theClass);
          
        if (!_inCore())
          hotwire_copyOver(theClass);
  
        return theClass;
      }
    } catch (Exception e) {
      throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
    }
  }
  public static String unquote(String s) {
    if (s.startsWith("[")) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i+1, s.length()-i-1);
      }
    }
    
    if (s.startsWith("\"") /*&& s.endsWith("\"")*/ && s.length() > 1) {
      String st = s.substring(1, s.endsWith("\"") ? s.length()-1 : s.length());
      StringBuilder sb = new StringBuilder(st.length());
  
      for (int i = 0; i < st.length(); i++) {
        char ch = st.charAt(i);
        if (ch == '\\') {
          char nextChar = (i == st.length() - 1) ? '\\' : st
                  .charAt(i + 1);
          // Octal escape?
          if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
                      && st.charAt(i + 1) <= '7') {
                  code += st.charAt(i + 1);
                  i++;
                  if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
                          && st.charAt(i + 1) <= '7') {
                      code += st.charAt(i + 1);
                      i++;
                  }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
          }
          switch (nextChar) {
          case '\\':
              ch = '\\';
              break;
          case 'b':
              ch = '\b';
              break;
          case 'f':
              ch = '\f';
              break;
          case 'n':
              ch = '\n';
              break;
          case 'r':
              ch = '\r';
              break;
          case 't':
              ch = '\t';
              break;
          case '\"':
              ch = '\"';
              break;
          case '\'':
              ch = '\'';
              break;
          // Hex Unicode: u????
          case 'u':
              if (i >= st.length() - 5) {
                  ch = 'u';
                  break;
              }
              int code = Integer.parseInt(
                      "" + st.charAt(i + 2) + st.charAt(i + 3)
                              + st.charAt(i + 4) + st.charAt(i + 5), 16);
              sb.append(Character.toChars(code));
              i += 5;
              continue;
          default:
            ch = nextChar; // added by Stefan
          }
          i++;
        }
        sb.append(ch);
      }
      return sb.toString();      
    } else
      return s; // return original
  }
static File getProgramFile(String progID, String fileName) {
  return new File(getProgramDir(progID), fileName);
}

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

static int hours() {
  return Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
}
// mainJava is a complete program, but without the !752/!759 at the top
// returns link to main class
static Class veryQuickJava(String mainJava) {
  return veryQuickJava2(mainJava); // It's just better.
}
static boolean isEmpty(Collection c) {
  return c == null || c.isEmpty();
}

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

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

static boolean isEmpty(Map map) {
  return map == null || map.isEmpty();
}
static String dropSuffix(String suffix, String s) {
  return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static String structure(Object o) {
  HashSet refd = new HashSet();
  return structure_2(structure_1(o, 0, new IdentityHashMap(), refd), refd);
}

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

static String structure_1(Object o, int stringSizeLimit, IdentityHashMap<Object, Integer> seen, HashSet<Integer> refd) {
  if (o == null) return "null";
  
  // these are never back-referenced (for readability)
  
  if (o instanceof String)
    return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o);
    
  if (o instanceof BigInteger)
    return "bigint(" + o + ")";
  
  if (o instanceof Double)
    return "d(" + quote(str(o)) + ")";
    
  if (o instanceof Long)
    return o + "L";
  
  if (o instanceof Integer)
    return str(o);
    
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue() ? "t" : "f";
    
  if (o instanceof Character)
    return quoteCharacter((Character) o);
    
  if (o instanceof File)
    return "File " + quote(((File) o).getPath());
    
  // referencable objects follow
  
  Integer ref = seen.get(o);
  if (ref != null) {
    refd.add(ref);
    return "r" + ref;
  }
      
  ref = seen.size()+1;
  seen.put(o, ref);
  String r = "m" + ref + " "; // marker

  String name = o.getClass().getName();

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

  if (o instanceof TreeSet)
    return r + "treeset " + structure_1(new ArrayList((Set) o), stringSizeLimit, seen, refd);
  
  if (o instanceof Collection) {
    for (Object x : (Collection) o) {
      if (buf.length() != 0) buf.append(", ");
      buf.append(structure_1(x, stringSizeLimit, seen, refd));
    }
    return r + "[" + buf + "]";
  }
  
  if (o instanceof Map) {
    for (Object e : ((Map) o).entrySet()) {
      if (buf.length() != 0) buf.append(", ");
      buf.append(structure_1(((Map.Entry) e).getKey(), stringSizeLimit, seen, refd));
      buf.append("=");
      buf.append(structure_1(((Map.Entry) e).getValue(), stringSizeLimit, seen, refd));
    }
    return r + (o instanceof HashMap ? "hashmap" : "") + "{" + buf + "}";
  }
  
  if (o.getClass().isArray()) {
    int n = Array.getLength(o);
    for (int i = 0; i < n; i++) {
      if (buf.length() != 0) buf.append(", ");
      buf.append(structure_1(Array.get(o, i), stringSizeLimit, seen, refd));
    }
    return r + "array{" + buf + "}";
  }

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

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

static List<String> nlTok(String s) {
  return javaTokPlusPeriod(s);
}
static Object getOpt(Object o, String field) {
  if (o instanceof String) o = getBot ((String) o);
  if (o == null) return null;
  if (o instanceof Class) return getOpt((Class) o, field);
  
  if (o.getClass().getName().equals("main$DynamicObject"))
    return ((Map) getOpt_raw(o, "fieldValues")).get(field);
  
  if (o instanceof Map) return ((Map) o).get(field);
  
  return getOpt_raw(o, field);
}

static Object getOpt_raw(Object o, String field) {
  try {
    Field f = getOpt_findField(o.getClass(), field);
    if (f == null) return null;
    f.setAccessible(true);
    return f.get(o);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Object getOpt(Class c, String field) {
  try {
    Field f = getOpt_findStaticField(c, field);
    if (f == null) return null;
    f.setAccessible(true);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

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

static Field getOpt_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static boolean eqicOneOf(String s, String... l) {
  for (String x : l) if (eqic(s, x)) return true; return false;
}
static boolean startsWith(String a, String b) {
  return a != null && a.startsWith(b);
}

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


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

static boolean equalsIgnoreCase(String a, String b) {
  return a == null ? b == null : a.equalsIgnoreCase(b);
}
static void showConsole() {
  JFrame frame = consoleFrame();
  if (frame != null)
    frame.setVisible(true);
}
static String programID;

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

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

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

static Class getJavaX() {
  return __javax;
}
static String[] toStringArray(List<String> list) {
  return list.toArray(new String[list.size()]);
}

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

  static String format3(String pat, Object... args) {
    if (args.length == 0) return pat;
    
    List<String> tok = javaTokPlusPeriod(pat);
    int argidx = 0;
    for (int i = 1; i < tok.size(); i += 2)
      if (tok.get(i).equals("*"))
        tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null"));
    return join(tok);
  }
  
  static String format3_formatArg(Object arg) {
    if (arg == null) return "null";
    if (arg instanceof String) {
      String s = (String) arg;
      return isIdentifier(s) || isNonNegativeInteger(s) ? s : quote(s);
    }
    if (arg instanceof Integer || arg instanceof Long) return String.valueOf(arg);
    return quote(structure(arg));
  }
  

static void callMain(Object c, String... args) {
  callOpt(c, "main", new Object[] {args});
}
static boolean isInteger(String s) {
  return s != null && Pattern.matches("\\-?\\d+", s);
}
  static void dataToTable_dynSet(List<String> l, int i, String s) {
    while (i >= l.size()) l.add("");
    l.set(i, s);
  }
  
  static List<String> dataToTable_makeRow(Object x, List<String> cols) {
    if (instanceOf(x, "DynamicObject"))
      x = get_raw(x, "fieldValues");

    if (x instanceof Map) {
      Map m = (Map) ( x);
      List<String> row = new ArrayList<String>();
      for (Object _field : m.keySet()) {
        String field = (String) ( _field);
        Object value = m.get(field);
        int col = cols.indexOf(field);
        if (col < 0) {
          cols.add(field);
          col = cols.size()-1;
        }
        dataToTable_dynSet(row, col, structureOrText(value));
      }
      return row;
    }
    
    return litlist(structureOrText(x));
  }
// This is made for NL parsing.
// It's javaTok extended with "..." token, "$n" and "#n" and
// special quotes (which are converted to normal ones).

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

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

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

static <A> boolean containsOneOf(List<A> l, A... x) {
  for (A a : unnull(l))
    if (eqOneOf(a, x)) return true; return false;
}
static List emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}
static String padLeft(String s, char c, int n) {
  return rep(c, n-l(s)) + s;
}
static boolean veryQuickJava_silent = true;

// mainJava is a complete program, but without the !752/!759 at the top
// returns link to main class
static Class veryQuickJava2(String mainJava) {
  transpileRaw_silent = veryQuickJava_silent;
  String src = transpileRaw(mainJava); // transpiled, with lib references
  List<String> libs = new ArrayList<String>();
  src = findTranslators2(src, libs);
  //print("Libs found: " + struct(libs));
  return hotwireCore(concatLists(ll(javaCompile(src, join(" ", libs))), loadLibraries(libs)));
}
static void fillTableWithStrings(final JTable table, List<List<String>> rows, List<String> colNames) {
  fillTableWithStrings(table, rows, toStringArray(colNames));
}

// thread-safe
static void fillTableWithStrings(final JTable table, List<List<String>> rows, String... colNames) {
  final DefaultTableModel model = fillTableWithStrings_makeModel(rows, colNames);
  
  swingNowOrLater(new Runnable() { public void run() { try {
    setTableModel(table, model);
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}

static DefaultTableModel fillTableWithStrings_makeModel(List<List<String>> rows, String... colNames) {
  Object[][] data = new Object[rows.size()][];
  int w = 0;
  for (int i = 0; i < rows.size(); i++) {
    List<String> l = rows.get(i);
    Object[] r = new Object[l.size()];
    for (int j = 0; j < l.size(); j++)
      r[j] = l.get(j);
    data[i] = r;
    w = Math.max(w, l.size());
  }
  Object[] columnNames = new Object[w];
  for (int i = 0; i < w; i++)
    columnNames[i] = i < l(colNames) ? colNames[i] : "?";
  return new DefaultTableModel(data, columnNames);
}

static int parseInt(String s) {
  return empty(s) ? 0 : Integer.parseInt(s);
}
static String structureOrText(Object o) {
  return o instanceof String ? (String) o : structure(o);
}
  static void setOpt(Object o, String field, Object value) {
    if (o instanceof Class) setOpt((Class) o, field, value);
    else try {
      Field f = setOpt_findField(o.getClass(), field);
      if (f != null)
        smartSet(f, o, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
  
  static void setOpt(Class c, String field, Object value) {
    try {
      Field f = setOpt_findStaticField(c, field);
      if (f != null)
        smartSet(f, null, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
  
  static Field setOpt_findField(Class<?> c, String field) {
    for (Field f : c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    return null;
  }
  
  static Field setOpt_findStaticField(Class<?> c, String field) {
    for (Field f : c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
        return f;
    return null;
  }
static void classicNohupJavax(String javaxargs) {
  classicNohupJavax(javaxargs, "");
}

static void classicNohupJavax(String javaxargs, String vmArgs) { try {
 
  int x = latestInstalledJavaX();
  File xfile = new File(userHome(), ".javax/x" + Math.max(x, 30) + ".jar");
  if (!xfile.isFile()) {
    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);
  }
  String jarPath = xfile.getPath();
  if (javaxargs.startsWith("#")) javaxargs = javaxargs.substring(1);
  nohup("java " + vmArgs + " -jar " + (isWindows() ? winQuote(jarPath) : bashQuote(jarPath)) + " " + javaxargs);

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String shorten(String s, int max) {
  if (s == null) return "";
  return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}
static Object getBot(String botID) {
  return callOpt(getMainBot(), "getBot", botID);
}

static boolean isSubstanceLAF() {
  return substanceLookAndFeelEnabled();
}
static JTable showTable(Object data) {
  return dataToTable(data);
}

static JTable showTable(Object data, String title) {
  return dataToTable(data, title);
}

static JTable showTable() {
  return showTable(new ArrayList<List<String>>(), new ArrayList<String>());
}

static JTable showTable(String title) {
  return showTable(new ArrayList<List<String>>(), new ArrayList<String>(), title);
}

static JTable showTable(List<List<String>> rows, List<String> cols) {
  return showTable(rows, cols, autoFrameTitle());
}
  
static JTable showTable(List<List<String>> rows, List<String> cols, String title) {
  JFrame frame = new JFrame(title);
  frame.setBounds(10, 10, 500, 400);
  centerFrame(frame);

  JTable tbl = tableWithToolTips();
  fillTableWithStrings(tbl, rows, cols);

  frame.getContentPane().add(new JScrollPane(tbl));
  frame.setVisible(true);
  
  return tbl;
}
static boolean _inCore() {
  return false;
}
  static ThreadLocal<String> loadPage_charset = new ThreadLocal<String>();
  static boolean loadPage_allowGzip = true, loadPage_debug;
  static boolean loadPage_anonymous; // don't send computer ID
  static int loadPage_verboseness = 100000;

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

  public static String loadPageSilently(URL url) {
    try {
      IOException e = null;
      for (int tries = 0; tries < 60; tries++)
        try {
          URLConnection con = url.openConnection();
          return loadPage(con, url);
        } catch (IOException _e) {
          e = _e;
          print("Retrying because of: " + e);
          sleepSeconds(1);
        }
      throw e;
    } catch (IOException e) { throw new RuntimeException(e); }
  }

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

  public static String loadPage(URLConnection con, URL url) throws IOException {
    try {
      if (!loadPage_anonymous) {
        String computerID = getComputerID();
        if (computerID != null)
          con.setRequestProperty("X-ComputerID", computerID);
      }
      if (loadPage_allowGzip)
        con.setRequestProperty("Accept-Encoding", "gzip");
    } catch (Throwable e) {} // fails if within doPost
    String contentType = con.getContentType();
    if (contentType == null)
      throw new IOException("Page could not be read: " + url);
    //print("Content-Type: " + contentType);
    String charset = loadPage_charset == null ? null : loadPage_charset.get();
    if (charset == null) charset = loadPage_guessCharset(contentType);
    
    InputStream in = con.getInputStream();
    if ("gzip".equals(con.getContentEncoding())) {
      if (loadPage_debug)
        print("loadPage: Using gzip.");
      in = new GZIPInputStream(in);
    }
    Reader r = new InputStreamReader(in, charset);
    
    StringBuilder buf = new StringBuilder();
    int n = 0;
    while (true) {
      int ch = r.read();
      if (ch < 0)
        break;
      buf.append((char) ch);
      ++n;
      if ((n % loadPage_verboseness) == 0) print("  " + n + " chars read");
    }
    return buf.toString();
  }
  
  static String loadPage_guessCharset(String contentType) {
    Pattern p = Pattern.compile("text/[a-z]+;\\s+charset=([^\\s]+)\\s*");
    Matcher m = p.matcher(contentType);
    /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
    return m.matches() ? m.group(1) : "ISO-8859-1";
  }

static void assertTrue(Object o) {
  assertEquals(true, o);
}
  
static boolean assertTrue(String msg, boolean b) {
  if (!b)
    throw fail(msg);
  return b;
}

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

static File getProgramDir(String snippetID) {
  return programDir(snippetID);
}
static String programTitle() {
  return getProgramName();
}
static void hotwire_copyOver(Class c) {
  synchronized(StringBuffer.class) {
    for (String field : litlist("print_log", "print_silent")) {
      Object o = get(mc(), field);
      if (o != null)
        setOpt(c, field, o);
    }
      
    Object mainBot = getMainBot();
    if (mainBot != null)
      setOpt(c, "mainBot", mainBot);

    setOpt(c, "creator_class", new WeakReference(mc()));
  }
}
static String getLookAndFeel() {
  return getClassName(UIManager.getLookAndFeel());
}
static File loadLibrary(String snippetID) {
  return loadBinarySnippet(snippetID);
}
static <T> void sort(T[] a, Comparator<? super T> c) {
  Arrays.sort(a, c);
}

static <T> void sort(List<T> a, Comparator<? super T> c) {
  Collections.sort(a, c);
}
static boolean booleanValue(Object o) {
  return eq(true, o);
}
  static Object callOpt(Object o, String method, Object... args) {
    try {
      if (o == null) return null;
      if (o instanceof Class) {
        Method m = callOpt_findStaticMethod((Class) o, method, args, false);
        if (m == null) return null;
        m.setAccessible(true);
        return m.invoke(null, args);
      } else {
        Method m = callOpt_findMethod(o, method, args, false);
        if (m == null) return null;
        m.setAccessible(true);
        return m.invoke(o, args);
      }
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

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

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

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

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

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


public static long parseSnippetID(String snippetID) {
  long id = Long.parseLong(shortenSnippetID(snippetID));
  if (id == 0) throw fail("0 is not a snippet ID");
  return id;
}
static Object[] toObjectArray(List list) {
  return list.toArray(new Object[list.size()]);
}
static List<String> dropPunctuation_keep = litlist("*", "<", ">");

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

static String dropPunctuation(String s) {
  return join(dropPunctuation(nlTok(s)));
}
static void smartSet(Field f, Object o, Object value) throws Exception {
  f.setAccessible(true);
  
  // take care of common case (long to int)
  if (f.getType() == int.class && value instanceof Long)
    value = ((Long) value).intValue();
    
  f.set(o, value);
}
static String sendToLocalBotOpt(String bot, String text) {
  if (bot == null) return null;
  DialogIO channel = findBot(bot);
  if (channel == null) {
    print(quote(bot) + " not found, skipping send: " + quote(text));
    return null;
  }
  try {
    channel.readLine();
    print(bot + "> " + text);
    channel.sendLine(text);
    String s = channel.readLine();
    print(bot + "< " + s);
    return s;
  } catch (Throwable e) {
    e.printStackTrace();
    return null;
  } finally {
    channel.close();
  }
}


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

static String shortenSnippetID(String snippetID) {
  if (snippetID.startsWith("#"))
    snippetID = snippetID.substring(1);
  String httpBlaBla = "http://tinybrain.de/";
  if (snippetID.startsWith(httpBlaBla))
    snippetID = snippetID.substring(httpBlaBla.length());
  return "" + parseLong(snippetID);
}
static Object transpileRaw_trans;
static Object transpileRaw_silent = true;

static synchronized String transpileRaw(String mainJava) {
  if (transpileRaw_trans == null)
    // Note: we sync the whole main class on this
    transpileRaw_trans = hotwire("#759");
    
  setOpt(transpileRaw_trans, "print_silent", transpileRaw_silent);

  set(transpileRaw_trans, "mainJava", mainJava);
  callMain(transpileRaw_trans);
  return (String) get(transpileRaw_trans, "mainJava");
}
static File loadBinarySnippet(String snippetID) { try {
 
  long id = parseSnippetID(snippetID);
  File f = DiskSnippetCache_getLibrary(id);
  if (f == null) {
    byte[] data = loadDataSnippetImpl(snippetID);
    DiskSnippetCache_putLibrary(id, data);
    f = DiskSnippetCache_getLibrary(id);
  }
  return f;

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static JComponent getTitlePaneComponent(Window window) {
  if (!substanceLookAndFeelEnabled()) return null;
  
	JRootPane rootPane = null;
	if (window instanceof JFrame) {
		JFrame f = (JFrame) window;
		rootPane = f.getRootPane();
	}
	if (window instanceof JDialog) {
		JDialog d = (JDialog) window;
		rootPane = d.getRootPane();
	}
	if (rootPane != null) {
		Object /*SubstanceRootPaneUI*/ ui = rootPane.getUI();
		return (JComponent) call(ui, "getTitlePane");
	}
	return null;
}

static void setTableModel(JTable table, TableModel model) {
  int i = table.getSelectedRow();
  table.setModel(model);
  if (i >= 0 && i < model.getRowCount())
    table.setRowSelectionInterval(i, i);
}

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

static Object getMainBot() {
  return mainBot;
}
static void centerFrame(JFrame frame) {
  frame.setLocationRelativeTo(null); // magic trick
}
static Map<String, Integer> findBot_cache = new TreeMap<String, Integer>();
static int findBot_timeout = 5000;

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

static boolean instanceOf(Object o, String className) {
  if (o == null) return false;
  String c = o.getClass().getName();
  return eq(c, className) || eq(c, "main$" + className);
}
static File programDir() {
  return programDir(getProgramID());
}

static File programDir(String snippetID) {
  return new File(javaxDataDir(), formatSnippetID(snippetID));
}

static String rep(int n, char c) {
  return repeat(c, n);
}

static String rep(char c, int n) {
  return repeat(c, n);
}

static <A> List<A> rep(A a, int n) {
  return repeat(a, n);
}

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

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

  static void saveBinaryFile(File fileName, byte[] contents) {
    try {
      saveBinaryFile(fileName.getPath(), contents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
static List<File> loadLibraries(List<String> snippetIDs) {
  return map("loadLibrary", snippetIDs);
}
static JFrame consoleFrame() {
  return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
}
static Class hotwireCore(List urlsOrFiles) {
  List<URL> urls = map("toURL", urlsOrFiles);
  return hotwireCore((URL[]) asArray(URL.class, urls));
}

static Class hotwireCore(URL... urls) { try {
 
  // make class loader
  URLClassLoader classLoader = new URLClassLoader(urls);

  // load & return main class
  Class<?> theClass = classLoader.loadClass("main");
  
  if (!_inCore())
    hotwire_copyOver(theClass);
  
  return theClass;

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static TableWithTooltips tableWithToolTips() {
  return tableWithTooltips();
}

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

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String _userHome;
static String userHome() {
  if (_userHome == null) {
    if (isAndroid())
      _userHome = "/storage/sdcard0/";
    else
      _userHome = System.getProperty("user.home");
    //System.out.println("userHome: " + _userHome);
  }
  return _userHome;
}

static File userHome(String path) {
  return new File(userDir(), path);
}
static String autoFrameTitle() {
  return "? - " + formatSnippetID(getProgramID());
}
static void assertEquals(Object x, Object y) {
  assertEquals(null, x, y);
}

static void assertEquals(String msg, Object x, Object y) {
  if (!(x == null ? y == null : x.equals(y)))
    throw fail((msg != null ? msg + ": " : "") + structure(x) + " != " + structure(y));
}
static boolean isIdentifier(String s) {
  return isJavaIdentifier(s);
}
static boolean eqOneOf(Object o, Object... l) {
  for (Object x : l) if (eq(o, x)) return true; return false;
}
static String getClassName(Object o) {
  return o == null ? "null" : o.getClass().getName();
}
static void sleepSeconds(long s) {
  if (s > 0) sleep(s*1000);
}
static int latestInstalledJavaX() {
  File[] files = new File(userHome(), ".javax").listFiles();
  int v = 0;
  if (files != null) for (File f : files) {
    Matcher m = Pattern.compile("x(\\d\\d\\d?)\\.jar").matcher(f.getName());
    if (m.matches())
      v = Math.max(v, Integer.parseInt(m.group(1)));
  }
  return v;
}
public static File nohup(String cmd) throws IOException {
  File outFile = File.createTempFile("nohup_" + nohup_sanitize(cmd), ".out");
  nohup(cmd, outFile, false);
  return outFile;
}

static String nohup_sanitize(String s) {
  return s.replaceAll("[^a-zA-Z0-9\\-_]", "");
}

/** outFile takes stdout and stderr. */
public static void nohup(String cmd, File outFile, boolean append) throws IOException {
  String command = nohup_makeNohupCommand(cmd, outFile, append);

  File scriptFile = File.createTempFile("_realnohup", isWindows() ? ".bat" : "");
  System.out.println("[Nohup] " + command);
  try {
    //System.out.println("[RealNohup] Script file: " + scriptFile.getPath());
    saveTextFile(scriptFile.getPath(), command);
    String[] command2;
    if (isWindows())
      command2 = new String[] {"cmd", "/c", "start", "/b", scriptFile.getPath() };
    else
      command2 = new String[] {"/bin/bash", scriptFile.getPath() };
      
    Process process = Runtime.getRuntime().exec(command2);
    try {
      process.waitFor();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }
    int value = process.exitValue();
    //System.out.println("exit value: " + value);
  } finally {
    if (!isWindows())
      scriptFile.delete();
  }
}

public static String nohup_makeNohupCommand(String cmd, File outFile, boolean append) {
  mkdirsForFile(outFile);

  String command;
  if (isWindows())
    command = cmd + (append ? " >>" : " >") + winQuote(outFile.getPath()) + " 2>&1";
  else
    command = "nohup " + cmd + (append ? " >>" : " >") + bashQuote(outFile.getPath()) + " 2>&1 &";
  return command;
}

static byte[] loadBinaryPage(String url) throws IOException {
  return loadBinaryPage(new URL(url).openConnection());
}

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

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

// returns path to classes dir
static synchronized File javaCompile(String src, String dehlibs) {
  String javaTarget = null; // use default target
  
  //print("Compiling " + l(src) + " chars");

  Class j = getJavaX();
  if (javaTarget != null)
    setOpt(j, "javaTarget", javaTarget);
  //setOpt(j, "verbose", true);
  File srcDir = (File) ( call(j, "TempDirMaker_make"));
  String className = getNameOfPublicClass(javaTok(src));
  String fileName = className + ".java";
  File mainJava = new File(srcDir, fileName);
  //print("main java: " + mainJava.getAbsolutePath());
  saveTextFile(mainJava, src);
  File classesDir = (File) call(j, "TempDirMaker_make");
  List<File> libraries = new ArrayList<File>();
  
  Matcher m = Pattern.compile("\\d+").matcher(dehlibs);
  while (m.find()) {
    String libID = m.group();
    print("libID=" + quote(libID));
    assertTrue(isSnippetID(libID));
    libraries.add(loadLibrary(libID));
  }
    
  try {
     // This seems to be empty in case of success with Eclipse compiler.
     String compilerOutput = (String) ( call(j, "compileJava", srcDir, libraries, classesDir));
     if (nempty(compilerOutput)) print("Compiler said: " + quote(compilerOutput));
      
      // sanity test
      if (!new File(classesDir, className + ".class").exists())
        throw fail("No class generated (" + className + ")");
  } catch (Exception e) {
    //e.printStackTrace();
    throw fail("Compile Error. " + getOpt(j, "javaCompilerOutput"));
  }
  
  return classesDir;
}

static String getProgramName_cache;

static synchronized String getProgramName() {
  if (getProgramName_cache == null)
    getProgramName_cache = getSnippetTitle(getProgramID());
  return getProgramName_cache;
}


static DialogIO talkToSubBot(final long vport, final DialogIO io) {
  return talkToSubBot(String.valueOf(vport), io);
}

static DialogIO talkToSubBot(final String subBot, final DialogIO io) {
  if (subBot == null) return io;
  
  return new DialogIO() {
    // delegate all but sendLine
    boolean isStillConnected() { return io.isStillConnected(); }
    String readLineImpl() { return io.readLineImpl(); }
    boolean isLocalConnection() { return io.isLocalConnection(); }
    Socket getSocket() { return io.getSocket(); }
    void close() { io.close(); }

    void sendLine(String line) {
      io.sendLine(format3("please forward to bot *: *", subBot, line));
    }
  };
}
static class DynamicObject {
  String className;
  Map<String, Object> fieldValues = new TreeMap<String, Object>();
}

static Object unstructure(String text) {
  return unstructure(text, false);
}

// TODO: backrefs for hashmap{} etc
static Object unstructure(String text, final boolean allDynamic) {
  if (text == null) return null;
  final List<String> tok = javaTok(text);
  final boolean debug = unstructure_debug;
  
  class X {
    int i = 1;
    HashMap<Integer, Object> refs = new HashMap<Integer, Object>();

    Object parse() {
      String t = tok.get(i);
      
      int refID = 0;
      if (t.startsWith("m") && isInteger(t.substring(1))) {
        refID = parseInt(t.substring(1));
        i += 2;
        t = tok.get(i);
      }
      
      if (debug)
        print("parse: " + quote(t));
        
      if (t.startsWith("\"")) {
        String s = unquote(tok.get(i));
        i += 2;
        return s;
      }
      if (t.startsWith("'")) {
        char c = unquoteCharacter(tok.get(i));
        i += 2;
        return c;
      }
      if (t.equals("bigint"))
        return parseBigInt();
      if (t.equals("d"))
        return parseDouble();
      if (t.equals("false") || t.equals("f")) {
        i += 2; return false;
      }
      if (t.equals("true") || t.equals("t")) {
        i += 2; return true;
      }
      if (t.equals("-")) {
        t = tok.get(i+2);
        i += 4;
        return isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t));
      }
      if (isInteger(t) || isLongConstant(t)) {
        i += 2;
        if (debug)
          print("isLongConstant " + quote(t) + " => " + isLongConstant(t));
        if (isLongConstant(t)) return parseLong(t);
        long l = parseLong(t);
        return l != (int) l ? new Long(l) : new Integer((int) l);
      }
      
      if (t.equals("File")) {
        File f = new File(unquote(tok.get(i+2)));
        i += 4;
        return f;
      }
      
      if (t.startsWith("r") && isInteger(t.substring(1))) {
        i += 2;
        int ref = Integer.parseInt(t.substring(1));
        Object o = refs.get(ref);
        if (o == null)
          print("Warning: unsatisfied back reference " + ref);
        return o;
      }
      
      return parse_inner(refID);
    }
    
    // everything that can be backreferenced
    Object parse_inner(int refID) {
      String t = tok.get(i);
      
      if (debug)
        print("parse_inner: " + quote(t));
        
      if (t.equals("hashset"))
        return parseHashSet();
      if (t.equals("treeset"))
        return parseTreeSet();
      if (t.equals("hashmap"))
        return parseHashMap();
      if (t.equals("{"))
        return parseMap();
      if (t.equals("["))
        return parseList();
      if (t.equals("array"))
        return parseArray();
      if (t.equals("class"))
        return parseClass();
      if (t.equals("l"))
        return parseLisp();
      if (t.equals("null")) {
        i += 2; return null;
      }
      if (isJavaIdentifier(t)) {
        Class c = allDynamic ? null : findClass(t);
        DynamicObject dO = null;
        Object o = null;
        if (c != null)
          o = nuObject(c);
        else {
          dO = new DynamicObject();
          dO.className = t;
        }
        
        if (refID != 0)
          refs.put(refID, o);
          
        i += 2;
        if (i < tok.size() && tok.get(i).equals("(")) {
          consume("(");
          while (!tok.get(i).equals(")")) {
            // It's like parsing a map.
            //Object key = parse();
            //if (tok.get(i).equals(")"))
            //  key = onlyField();
            String key = unquote(tok.get(i));
            i += 2;
            consume("=");
            Object value = parse();
            if (o != null)
              setOpt(o, key, value);
            else
              dO.fieldValues.put(key, value);
            if (tok.get(i).equals(",")) i += 2;
          }
          consume(")");
        }
        return o != null ? o : dO;
      }
      throw new RuntimeException("Unknown token " + (i+1) + ": " + t);
    }
    
    Object parseSet(Set set) {
      set.addAll((List) parseList());
      return set;
    }
    
    Object parseLisp() {
      consume("l");
      consume("(");
      List list = new ArrayList();
      while (!tok.get(i).equals(")")) {
        list.add(parse());
        if (tok.get(i).equals(",")) i += 2;
      }
      consume(")");
      return newObject("main$Lisp", (String) list.get(0), subList(list, 1));
    }
    
    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;
    }
    
    Object parseArray() {
      consume("array");
      consume("{");
      List list = new ArrayList();
      while (!tok.get(i).equals("}")) {
        list.add(parse());
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("}");
      return list.toArray();
    }
    
    Object parseClass() {
      consume("class");
      consume("(");
      String name = tok.get(i);
      i += 2;
      consume(")");
      Class c = allDynamic ? null : findClass(name);
      if (c != null) return c;
      DynamicObject dO = new DynamicObject();
      dO.className = "java.lang.Class";
      dO.fieldValues.put("name", name);
      return dO;
    }
    
    Object parseBigInt() {
      consume("bigint");
      consume("(");
      String val = tok.get(i);
      i += 2;
      if (eq(val, "-")) {
        val = "-" + tok.get(i);
        i += 2;
      }
      consume(")");
      return new BigInteger(val);
    }
    
    Object parseDouble() {
      consume("d");
      consume("(");
      String val = unquote(tok.get(i));
      i += 2;
      consume(")");
      return Double.parseDouble(val);
    }
    
    Object parseHashMap() {
      consume("hashmap");
      return parseMap(new HashMap());
    }
    
    Object parseHashSet() {
      consume("hashset");
      return parseSet(new HashSet());
    }
    
    Object parseTreeSet() {
      consume("treeset");
      return parseSet(new TreeSet());
    }
    
    Object parseMap() {
      return parseMap(new TreeMap());
    }
    
    Object parseMap(Map map) {
      consume("{");
      while (!tok.get(i).equals("}")) {
        Object key = parse();
        consume("=");
        Object value = parse();
        map.put(key, value);
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("}");
      return map;
    }
    
    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 X().parse();
}

static boolean unstructure_debug;
static void sleep(long ms) {
  try {
    Thread.sleep(ms);
  } catch (Exception e) { throw new RuntimeException(e); }
}

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

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

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

static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
  byte[] data;
  try {
    URL url = new URL("http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_"
      + parseSnippetID(snippetID) + "&contentType=application/binary");
    System.err.println("Loading library: " + url);
    try {
      data = loadBinaryPage(url.openConnection());
    } catch (IOException e) {
      data = null;
    }
    
    if (data == null || data.length == 0) {
      url = new URL("http://data.tinybrain.de/blobs/"
        + parseSnippetID(snippetID));
      System.err.println("Loading library: " + url);
      data = loadBinaryPage(url.openConnection());
    }
    System.err.println("Bytes loaded: " + data.length);
  } catch (FileNotFoundException e) {
    throw new IOException("Binary snippet #" + snippetID + " not found or not public");
  }
  return data;
}
static URL toURL(Object o) { try {
 
  if (o instanceof URL) return (URL) o;
  if (o instanceof String) return new URL((String) o);
  if (o instanceof File) return fileToURL((File) o);
  throw fail("Can't convert to URL: " + o);

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String _computerID;
public static String computerID() { try {
 
  if (_computerID == null) {
    File file = new File(userHome(), ".tinybrain/computer-id");
    _computerID = loadTextFile(file.getPath(), null);
    if (_computerID == null) {
      _computerID = makeRandomID(12);
      saveTextFile(file.getPath(), _computerID);
    }
  }
  return _computerID;

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static String firstPartOfHelloString(String s) {
  int i = s.lastIndexOf('/');
  return i < 0 ? s : rtrim(s.substring(0, i));
}
static String getNameOfPublicClass(List<String> tok) {
  for (List<String> c : allClasses(tok))
    if (hasModifier(c, "public"))
      return getClassDeclarationName(c);
  return null;
}

  static void clearTokens(List<String> tok) {
    clearAllTokens(tok);
  }
  
  static void clearTokens(List<String> tok, int i, int j) {
    clearAllTokens(tok, i, j);
  }
  /** writes safely (to temp file, then rename) */
  public static void saveTextFile(String fileName, String contents) throws IOException {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    if (contents != null) {
      FileOutputStream fileOutputStream = new FileOutputStream(tempFileName);
      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 (!new File(tempFileName).renameTo(file))
        throw new IOException("Can't rename " + tempFileName + " to " + fileName);
  }
  
  public static void saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

static List<ProgramScan.Program> quickBotScan() {
  return ProgramScan.quickBotScan();
}

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

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

static <A> boolean setAdd(Collection<A> c, A a) {
  if (c.contains(a)) return false;
  c.add(a);
  return true;
}
static int jfind(List<String> tok, String in) {
  List<String> tokin = javaTok(in);
  jfind_preprocess(tokin);
  return findCodeTokens(tok, false, toStringArray(codeTokensOnly(tokin)));
}

static void jfind_preprocess(List<String> tok) {
  for (String type : litlist("quoted", "id", "int"))
    replaceSublist(tok, litlist("<", "", type, "", ">"), litlist("<" + type + ">"));
}
static DialogIO talkTo(int port) {
  return talkTo("localhost", port);
}

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

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

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static boolean isJavaIdentifier(String s) {
  if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0)))
    return false;
  for (int i = 1; i < s.length(); i++)
    if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
  return true;
}
static List map(Object f, List l) {
  List x = new ArrayList();
  Object mc = mc();
  for (Object o : unnull(l))
    x.add(callFunction(f, o));
  return x;
}
static String sendToLocalBot(String bot, String text, Object... args) {
  text = format3(text, args);
  
  DialogIO channel = findBot(bot);
  if (channel == null)
    throw fail(quote(bot) + " not found");
  try {
    channel.readLine();
    print(bot + "> " + shorten(text, 80));
    channel.sendLine(text);
    String s = channel.readLine();
    print(bot + "< " + shorten(s, 80));
    return s;
  } catch (Throwable e) {
    e.printStackTrace();
    return null;
  } finally {
    channel.close();
  }
}

static String sendToLocalBot(int port, String text, Object... args) {
  text = format3(text, args);
  DialogIO channel = talkTo(port);
  try {
    channel.readLine();
    print(port + "> " + shorten(text, 80));
    channel.sendLine(text);
    String s = channel.readLine();
    print(port + "< " + shorten(s, 80));
    return s;
  } catch (Throwable e) {
    e.printStackTrace();
    return null;
  } finally {
    if (channel != null)
      channel.close();
  }
}
static File javaxDataDir_dir; // can be set to work on different base dir

static File javaxDataDir() {
  return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
}
  static String repeat(char c, int n) {
    n = max(n, 0);
    char[] chars = new char[n];
    for (int i = 0; i < n; i++)
      chars[i] = c;
    return new String(chars);
  }

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

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

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


  static String getClassDeclarationName(List<String> c) {
    for (int i = 1; i+2 < c.size(); i += 2)
      if (c.get(i).equals("class"))
        return c.get(i+2);
    return null;
  }
  

static URL fileToURL(File f) { try {
 
  return f.toURI().toURL();

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static Object newObject(Class c, Object... args) {
  return nuObject(c, args);
}

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

static File getGlobalCache() {
  File file = new File(userHome(), ".tinybrain/snippet-cache");
  file.mkdirs();
  return file;
}

// lists returned are actual CNC (N/C/N/.../C/N) - and connected to
// original list
static List<List<String>> allClasses(List<String> tok) {
  List<List<String>> l = new ArrayList();
  for (int i = 1; i < tok.size(); i += 2) {
    if (tok.get(i).equals("class") && (i == 1 || !tok.get(i-2).equals("."))) {
      int j = i;
      while (j < tok.size() && !tok.get(j).equals("{"))
        j += 2;
      j = findEndOfBlock(tok, j)+1;
      i = leftScanModifiers(tok, i);
      l.add(tok.subList(i-1, Math.min(tok.size(), j)));
      i = j-2;
    }
  }
  return l;
}

static List<List<String>> allClasses(String text) {
  return allClasses(javaTok(text));
}
static String makeRandomID(int length) {
  Random random = new Random();
  char[] id = new char[length];
  for (int i = 0; i < id.length; i++)
    id[i] = (char) ((int) 'a' + random.nextInt(26));
  return new String(id);
}
static char unquoteCharacter(String s) {
  assertTrue(s.startsWith("'") && s.length() > 1);
  return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length()-1 : s.length()) + "\"").charAt(0);
}
static List<String> replaceSublist(List<String> l, List<String> x, List<String> y) {
  if (x == null) return l;
  
  int i = 0;
  while (true) {
    i = indexOfSubList(l, x, i);
    if (i < 0) break;
    
    // It's inefficient :D
    for (int j = 0; j < l(x); j++) l.remove(i);
    l.addAll(i, y);
    i += l(y);
  }
  return l;
}
  static List<String> codeTokensOnly(List<String> tok) {
    List<String> l = new ArrayList<String>();
    for (int i = 1; i < tok.size(); i += 2)
      l.add(tok.get(i));
    return l;
  }
// currently finds only inner classes of class "main"
// returns null on not found
// this is the simple version that is not case-tolerant
static Class findClass(String name) {
  try {
    return Class.forName("main$" + name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}
// scans a Java construct (class, method) and checks its modifiers
static boolean hasModifier(List<String> tok, String modifier) {
  for (int i = 1; i < tok.size() && getJavaModifiers().contains(tok.get(i)); i += 2)
    if (tok.get(i).equals(modifier))
      return true;
  return false;
}

static boolean isLongConstant(String s) {
  if (!s.endsWith("L")) return false;
  s = s.substring(0, l(s)-1);
  return isInteger(s);
}
  static void clearAllTokens(List<String> tok) {
    for (int i = 0; i < tok.size(); i++)
      tok.set(i, "");
  }
  
  static void clearAllTokens(List<String> tok, int i, int j) {
    for (; i < j; i++)
      tok.set(i, "");
  }
  static int findCodeTokens(List<String> tok, String... tokens) {
    return findCodeTokens(tok, 1, false, tokens);
  }
  
  static int findCodeTokens(List<String> tok, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, 1, ignoreCase, tokens);
  }
  
  static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, startIdx, ignoreCase, tokens, null);
  }
  
  static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) {
    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 || checkCondition(condition, tok, i-1)) // pass N index
        return i;
    }
    return -1;
  }
static Object nuObject(String className, Object... args) { try {
 
  return nuObject(Class.forName(className), args);

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

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

static <A> A nuObject(Class<A> c, Object... args) { try {
 
  Constructor m = nuObject_findConstructor(c, args);
  m.setAccessible(true);
  return (A) m.newInstance(args);

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

static Constructor nuObject_findConstructor(Class c, Object... args) {
  for (Constructor m : c.getDeclaredConstructors()) {
    if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
      continue;
    return m;
  }
  throw new RuntimeException("Constructor with " + args.length + " matching parameter(s) not found in " + c.getName());
}

 static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++)
      if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
        if (debug)
          System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
        return false;
      }
    return true;
  }
static double parseDouble(String s) {
  return Double.parseDouble(s);
}
public static String rtrim(String s) {
  int i = s.length();
  while (i > 0 && " \t\r\n".indexOf(s.charAt(i-1)) >= 0)
    --i;
  return i < s.length() ? s.substring(0, i) : s;
}


static <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;
}
static Class<?> _getClass(String name) {
  try {
    return Class.forName(name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}

static Class _getClass(Object o) {
  return o instanceof Class ? (Class) o : o.getClass();
}

static Class _getClass(Object realm, String name) { try {
 
  return getClass(realm).getClassLoader().loadClass(classNameToVM(name));

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
// supports the usual quotings (', ", variable length double brackets)
static boolean isQuoted(String s) {
  if (s.startsWith("'") || s.startsWith("\"")) return true;
  if (!s.startsWith("[")) return false;
  int i = 1;
  while (i < s.length() && s.charAt(i) == '=') ++i;
  return i < s.length() && s.charAt(i) == '[';
  //return Pattern.compile("^\\[=*\\[").matcher(s).find();
}
static boolean checkCondition(Object condition, Object... args) {
  return isTrue(call(condition, "check", args));
}
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;
}

static List<String> getJavaModifiers_list = litlist("static", "abstract", "public", "private", "protected", "final", "native", "volatile", "synchronized", "transient");

static List<String> getJavaModifiers() {
  return getJavaModifiers_list;
}
// i must point at the opening bracket ("{")
// index returned is index of closing bracket + 1
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();
}


static String classNameToVM(String name) {
  return name.replace(".", "$");
}
static Class<?> getClass(String name) {
  try {
    return Class.forName(name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}

static Class getClass(Object o) {
  return o instanceof Class ? (Class) o : o.getClass();
}

static Class getClass(Object realm, String name) { try {
 
  return getClass(realm).getClassLoader().loadClass(classNameToVM(name));

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


static class Quine<A> {
  String text;
  A value;
  
  Quine() {}
  Quine(String text, A value) {
  this.value = value;
  this.text = text;}
}

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

static class ProgramScan {
  static int threads = isWindows() ? 500 : 10;
  static int timeout = 5000; // hmm...
  static String ip = "127.0.0.1";
  static int quickScanFrom = 10000, quickScanTo = 10999;
  static int maxNumberOfBotPorts = 100;
  static boolean verbose;
  
  static class Program {
    int port;
    String helloString;
    
    Program(int port, String helloString) {
  this.helloString = helloString;
  this.port = port;}
  }
  
  static List<Program> scan() { try {
 
    return scan(1, 65535);
  
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  
  static List<Program> scan(int fromPort, int toPort) {
    return scan(fromPort, toPort, new int[0]);
  }
  
  static List<Program> scan(int fromPort, int toPort, int[] preferredPorts) { try {
 
    Set<Integer> preferredPortsSet = new HashSet<Integer>(asList(preferredPorts));
    String name = toPort < 10000 ? "bot" : "program";
    final ExecutorService es = Executors.newFixedThreadPool(threads);
    if (verbose) print(firstToUpper(name) + "-scanning " + ip + " with timeout " + timeout + " ms in " + threads + " threads.");
    startTiming();
    List<Future<Program>> futures = new ArrayList<Future<Program>>();
    for (int port : preferredPorts)
      futures.add(checkPort(es, ip, port, timeout));
    for (int port = fromPort; port <= toPort; port++)
      if (!preferredPortsSet.contains(port))
        futures.add(checkPort(es, ip, port, timeout));
    es.shutdown();
    List<Program> programs = new ArrayList<Program>();
    for (final Future<Program> f : futures) {
      Program p = f.get();
      if (p != null)
        programs.add(p);
    }
    stopTiming();
    if (verbose) print("Found " + programs.size() + " " + name + "(s) on " + ip);
    return programs;
  
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

  static Future<Program> checkPort(final ExecutorService es, final String ip, final int port, final int timeout) {
    return es.submit(new Callable<Program>() {
        @Override public Program call() {
          try {
            Socket socket = new Socket();
            socket.setSoTimeout(timeout);
            socket.connect(new InetSocketAddress(ip, port), timeout);
            if (verbose) print("Connected to " + ip + ":" + port);
            BufferedReader in = new BufferedReader(
              new InputStreamReader(socket.getInputStream(), "UTF-8"));
            String hello = or(in.readLine(), "?");
            socket.close();
            return new Program(port, hello);
          } catch (Exception ex) {
            return null;
          }
        }
     });
  }
  
  static List<Program> quickScan() {
    return scan(quickScanFrom, quickScanTo);
  }
  
  static List<Program> quickBotScan() {
    return quickBotScan(new int[0]);
  }
  
  static List<Program> quickBotScan(int[] preferredPorts) {
    return scan(4990, 5000+maxNumberOfBotPorts-1, preferredPorts);
  }
}

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

  static class Matches {
    String[] m;
    String get(int i) { return m[i]; }
    String unq(int i) { return unquote(m[i]); }
    String fsi(int i) { return formatSnippetID(unq(i)); }
    String fsi() { return fsi(0); }
    String tlc(int i) { return unq(i).toLowerCase(); }
    boolean bool(int i) { return "true".equals(unq(i)); }
    String rest() { return m[m.length-1]; } // for matchStart
    int psi(int i) { return Integer.parseInt(unq(i)); }
  }


// Now uses TreeMap for nicer sorting (i.e., A must be a orderable type)
static class MultiSet<A> {
  Map<A, Integer> map = new TreeMap<A, Integer>();
  
  public MultiSet(boolean useTreeMap) {
    if (!useTreeMap)
      map = new HashMap();
  }
  
  public MultiSet() {
  }
  
  public MultiSet(Collection<A> c) {
    addAll(c);
  }

  public void add(A key) {
    add(key, 1);
  }
  
  public void addAll(Collection<A> c) {
    if (c != null) for (A a : c)
      add(a);
  }

  public void add(A key, int count) {
    if (map.containsKey(key))
      map.put(key, map.get(key)+count);
    else
      map.put(key, count);
  }

  public int get(A key) {
    return key != null && map.containsKey(key) ? map.get(key) : 0;
  }

  public void remove(A key) {
    Integer i = map.get(key);
    if (i != null && i > 1)
      map.put(key, i - 1);
    else
      map.remove(key);
  }

  public List<A> getTopTen() {
    return getTopTen(10);
  }
  
  public List<A> getTopTen(int maxSize) {
    List<A> list = getSortedListDescending();
    return list.size() > maxSize ? list.subList(0, maxSize) : list;
  }

  public List<A> getSortedListDescending() {
    List<A> list = new ArrayList<A>(map.keySet());
    Collections.sort(list, new Comparator<A>() {
      public int compare(A a, A b) {
        return map.get(b).compareTo(map.get(a));
      }
    });
    return list;
  }

  public int getNumberOfUniqueElements() {
    return map.size();
  }

  public Set<A> asSet() {
    return map.keySet();
  }

  public A getMostPopularEntry() {
    int max = 0;
    A a = null;
    for (Map.Entry<A,Integer> entry : map.entrySet()) {
      if (entry.getValue() > max) {
        max = entry.getValue();
        a = entry.getKey();
      }
    }
    return a;
  }

  public void removeAll(A key) {
    map.remove(key);
  }

  public int size() {
    int size = 0;
    for (int i : map.values())
      size += i;
    return size;
  }

  public MultiSet<A> mergeWith(MultiSet<A> set) {
    MultiSet<A> result = new MultiSet<A>();
    for (A a : set.asSet()) {
      result.add(a, set.get(a));
    }
    return result;
  }
  
  public boolean isEmpty() {
    return map.isEmpty();
  }
  
  public String toString() {
    return structure(this);
  }
}

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

static void stopTiming() {
  long end = now();
  print("Time: " + (end-startTiming_startTime) + " ms");
}
static JWindow showLoadingAnimation() {
  return showAnimationInTopRightCorner("#1003543", "Hold on user...");
}
static BufferedReader readLine_reader;

static String readLine() {
  return (String) call(getJavaX(), "readLine");
}
static void swingLater(int delay, final Runnable r) {
  javax.swing.Timer timer = new javax.swing.Timer(delay, new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) {
    r.run();
  }});
  timer.setRepeats(false);
  timer.start();
}

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

static void swingNowOrLater(Runnable r) {
  if (isAWTThread())
    r.run();
  else
    swingLater(r);
}
static Set asSet(Object[] array) {
  HashSet set = new HashSet();
  for (Object o : array)
    if (o != null)
      set.add(o);
  return set;
}

static Set<String> asSet(String[] array) {
  TreeSet<String> set = new TreeSet<String>();
  for (String o : array)
    if (o != null)
      set.add(o);
  return set;
}

static Set<String> asSet(Collection<String> l) {
  TreeSet<String> set = new TreeSet<String>();
  for (String o : l)
    if (o != null)
      set.add(o);
  return set;
}
static <A> A or(A a, A b) {
  return a != null ? a : b;
}
static void disposeWindow(final Window window) {
  swingLater(new Runnable() { public void run() { try {
    window.dispose();
  } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}
static String firstToUpper(String s) {
  if (s.length() == 0) return s;
  return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}


// automatically switches to AWT thread for you
// text is optional text below image
static JWindow showAnimationInTopRightCorner(final String imageID, final String text) {
  return (JWindow) swingAndWait(new Object() { Object get() { 
    JLabel label = new JLabel(imageIcon(imageID));
    if (nempty(text)) {
      label.setText(text);
      label.setVerticalTextPosition(SwingConstants.BOTTOM);
      label.setHorizontalTextPosition(SwingConstants.CENTER);
    }
    return showInTopRightCorner(label);
   }
  public String toString() { return "JLabel label = new JLabel(imageIcon(imageID));\n    if (nempty(text)) {\n      label.setText(text);\n      label.setVerticalTextPosition(SwingConstants.BOTTOM);\n      label.setHorizontalTextPosition(SwingConstants.CENTER);\n    }\n    ret showInTopRightCorner(label);"; }});
}

static JWindow showAnimationInTopRightCorner(final String imageID) {
  return showAnimationInTopRightCorner(imageID, "");
}



static int showInTopRightCorner_inset = 20;

static JWindow showInTopRightCorner(Component c) {
  JWindow w = new JWindow();
  w.add(c);
  w.pack();
  w.setLocation(getScreenSize().width-w.getWidth()-showInTopRightCorner_inset, showInTopRightCorner_inset);
  w.setVisible(true);
  return w;
}


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

}