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.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 java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.security.KeyStore;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.net.ssl.*;
import java.util.*;
import java.io.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.security.KeyStore;
import java.text.SimpleDateFormat;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.GZIPOutputStream;
import javax.net.ssl.*;
public class main {
// A concept should be an object, not just a string.

// By default, we will LOAD (from program's dir), but not SAVE.
// Call saveConcepts() to save.

static class Concept extends DynamicObject {
  long id;
  Object madeBy;
  //double energy;
  //bool defunct;
  long created;
  
  // used only internally (cnew)
  Concept(String className) {
    super(className);
    _created();
  }
  
  Concept() {
    if (!DynamicObject_loading) {
      className = shortClassName(this);
      //print("New concept of type " + className);
      _created();
    }
  }
  
  List<Ref> refs = new ArrayList<Ref>();
  List<Ref> backRefs = new ArrayList<Ref>();

  void _created() {  
    created = now();
    if (!isTrue(_unlisted.get())) register();
  }
  
  void put(String field, Object value) {
    fieldValues.put(field, value);
    change();
  }
  
  Object get(String field) {
    return fieldValues.get(field);
  }
  
  class Ref<A extends Concept> {
    A value;
    
    Ref() {
      if (!DynamicObject_loading) refs.add(this);
    }
    
    Ref(A value) {
  this.value = value;
      refs.add(this);
      index();
    }
    
    // get owning concept (source)
    Concept concept() {
      return Concept.this;
    }
    
    // get target
    A get() {
      return value;
    }
    
    boolean has() {
      return value != null;
    }
    
    void set(A a) {
      if (a == value) return;
      unindex();
      value = a;
      index();
    }
    
    void set(Ref<A> ref) {
      set(ref.get());
    }
    
    void clear() { set((A) null); }
    
    void index() { 
      if (value != null)
        value.backRefs.add(this);
      change();
    }
    
    void unindex() {
      if (value != null)
        value.backRefs.remove(this);
    }
  }
  
  class RefL<A extends Concept> extends AbstractList<Concept> {
    List<Ref<A>> l = new ArrayList<Ref<A>>();
    
    public A set(int i, A o) {
      A prev = l.get(i).get();
      l.get(i).set(o);
      return prev;
    }
    
    public void add(int i, A o) {
      l.add(i, new Ref(o));
    }
    
    public A get(int i) {
      return l.get(i).get();
    }
    
    public A remove(int i) {
      return l.remove(i).get();
    }
    
    public int size() {
      return l.size();
    }
  }
  
  void delete() {
    concepts.remove((long) id);
    id = 0;
    //name = "[defunct " + name + "]";
    //defunct = true;
    //energy = 0;
    for (Ref r : refs)
      r.unindex();
    refs.clear();
    change();
  }
  
  // register a previously unlisted concept
  void register() {
    if (id != 0) return; // already registered
    id = newID();
    concepts.put((long) id, this);
    change();
  }
} // class Concept

// for inter-process communication
// prepared for string ids if we do them later
static class PassRef {
  String id;
  
  PassRef() {} // make serialisation happy
  PassRef(long id) { this.id = str(id); }
  PassRef(Concept c) { this(c.id); }
  long longID() { return parseLong(id); }
  
  public String toString() {
    return id;
  }
}

static class Event extends Concept {}

// This can be set by client
static boolean concepts_quietSave;

static Map<Long, Concept> concepts = synchroTreeMap(); // structure() converts to long...

static long idCounter;
static volatile long changes = 1, changesWritten;
static volatile java.util.Timer autoSaver;
static volatile boolean savingConcepts;
static ThreadLocal<Boolean> _unlisted = new ThreadLocal<Boolean>();
static boolean concepts_saveOneMore;

static long newID() {
  do {
    ++idCounter;
  } while (hasConcept(idCounter));
  return idCounter;
}

static synchronized void loadConceptsFrom(String programID) {
  clearConcepts();
  DynamicObject_loading = true;
  try {
    readLocally(programID, "concepts");
    readLocally(programID, "idCounter");
    assignConceptsToUs();
  } finally {
    DynamicObject_loading = false;
  }
}

static void assignConceptsToUs() {
  for (Concept c : values(concepts))
    callOpt(c, "_doneLoading2");
}

static synchronized void loadConcepts() {
  loadConceptsFrom(programID());
}

static Concept getConcept(String id) {
  return empty(id) ? null : getConcept(parseLong(id));
}

static Concept getConcept(long id) {
  return (Concept) concepts.get((long) id);
}

static Concept getConcept(PassRef ref) {
  return ref == null ? null : getConcept(ref.longID());
}

static boolean hasConcept(long id) {
  return concepts.containsKey((long) id);
}

static Concept deleteConcept(long id) {
  Concept c = getConcept(id);
  if (c == null)
    print("Concept " + id + " not found");
  else
    c.delete();
  return c;
}

// call in only one thread
static void saveConceptsIfDirty() {
  savingConcepts = true;
  try {
    String s;
    synchronized(main.class) {
      boolean change = changes != changesWritten;
      if (!change && !concepts_saveOneMore) return;
      changesWritten = changes;
      concepts_saveOneMore = change;
      save("idCounter");
      s = structure(cloneMap(concepts));
    }
    if (!concepts_quietSave)
      print("Saving " + l(s) + " chars (" + changesWritten + ")");
    saveTextFile(getProgramFile("concepts.structure"), s);
    copyFile(getProgramFile("concepts.structure"), getProgramFile("concepts.structure.backup" + ymd() + "-" + formatInt(hours(), 2)));
  } finally {
    savingConcepts = false;
  }
}

static void saveConcepts() {
  saveConceptsIfDirty();
}

static void clearConcepts() {
  concepts.clear();
  change();
}

static synchronized void change() {
  ++changes;
}

// auto-save every second if dirty
static synchronized void autoSaveConcepts() {
  if (autoSaver == null)
    autoSaver = doEvery(1000, new Runnable() { public void run() { try {  saveConcepts(); 
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } });
}

static void cleanMeUp() {
  if (autoSaver != null) {
    autoSaver.cancel();
    autoSaver = null;
  }
  while (savingConcepts) sleep(10);
  saveConceptsIfDirty();
}

static Map<Long, String> getIDsAndNames() {
  Map<Long, String> map = new HashMap<Long, String>();
  Map<Long, Concept> cloned = cloneMap(concepts);
  for (long id : keys(cloned)) 
    map.put(id, cloned.get(id).className);
  return map;
}

static <A extends Concept> A findBackRef(Concept c, Class<A> type) {
  return findBackRefOfType(c, type);
}

static <A extends Concept> A findBackRefOfType(Concept c, Class<A> type) {
  for (Concept.Ref r : c.backRefs)
    if (instanceOf(r.concept(), type))
      return (A) r.concept(); return null;
}

static <A extends Concept> List<A> findBackRefs(Concept c, Class<A> type) {
  List<A> l = new ArrayList<A>();
  for (Concept.Ref r : c.backRefs)
    if (instanceOf(r.concept(), type))
      l.add((A) r.concept());
  return l;
}

static <A extends Concept> A conceptOfType(Class<A> type) {
  return firstOfType(allConcepts(), type);
}

static <A extends Concept> List<A> conceptsOfType(Class<A> type) {
  return filterByType(allConcepts(), type);
}

static <A extends Concept> List<A> listConcepts(Class<A> type) {
  return conceptsOfType(type);
}

static <A extends Concept> List<A> list(Class<A> type) {
  return conceptsOfType(type);
}

static List<Concept> conceptsOfType(String type) {
  return filterByDynamicType(allConcepts(), "main$" + type);
}

static boolean hasConceptOfType(Class<? extends Concept> type) {
  return hasType(allConcepts(), type);
}

static void persistConcepts() {
  concepts_quietSave = true;
  loadConcepts();
  autoSaveConcepts();
}

static void loadAndAutoSaveConcepts() {
  persistConcepts();
}

// We love synonyms
static void conceptPersistence() {
  persistConcepts();
}
  
// Runs r if there is no concept of that type
static <A extends Concept> A ensureHas(Class<A> c, Runnable r) {
  A a = conceptOfType(c);
  if (a == null) {
    r.run();
    a = conceptOfType(c);
    if (a == null)
      throw fail("Concept not made by " + r + ": " + shortClassName(c));
  }
  return a;
}

// Ensures that every concept of type c1 is ref'd by a concept of
// type c2.
// Type of func: voidfunc(concept)
static void ensureHas(Class<? extends Concept> c1, Class<? extends Concept> c2, Object func) {
  for (Concept a : conceptsOfType(c1)) {
    Concept b = findBackRef(a, c2);
    if (b == null) {
      callF(func, a);
      b = findBackRef(a, c2);
      if (b == null)
        throw fail("Concept not made by " + func + ": " + shortClassName(c2));
    }
  }
}

// Type of func: voidfunc(concept)
static void forEvery(Class<? extends Concept> type, Object func) {
  for (Concept c : conceptsOfType(type))
    callF(func, c);
}

static int deleteAll(Class<? extends Concept> type) {
  List<Concept> l = (List) conceptsOfType(type);
  for (Concept c : l) c.delete();
  return l(l);
}

static Collection<Concept> allConcepts() {
  synchronized(concepts) {
    return new ArrayList(values(concepts));
  }
}

static Concept cnew(String name, Object... values) {
  Class<? extends Concept> cc = findClass(name);
  Concept c = cc != null ? nuObject(cc) : new Concept(name);
  csetAll(c, values);
  return c;
}

static void csetAll(Concept c, Object... values) {
  for (int i = 0; i+1 < l(values); i += 2)
    cset(c, (String) values[i], values[i+1]);
}

static void cset(Concept c, String field, Object value) { try {
 
  Field f = setOpt_findField(c.getClass(), field);
  print("cset: " + c.id + " " + field + " " + struct(value) + " " + f);
  if (value instanceof PassRef) value = getConcept((PassRef) value);
  if (f == null)
    c.fieldValues.put(field, value instanceof Concept ? c.new Ref((Concept) value) : value);
  else if (isSubtypeOf(f.getType(), Concept.Ref.class))
    ((Concept.Ref) f.get(c)).set((Concept) value);
  else
    f.set(c, value);
  change();

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

static Object cget(Concept c, String field) {
  Object o = getOpt(c, field);
  if (o instanceof Concept.Ref) return ((Concept.Ref) o).get();
  return o;
}

static PassRef toPassRef(Concept c) {
  return new PassRef(c);
}

// inter-process methods

static PassRef xnew(String name, Object... values) {
  return new PassRef(cnew(name, values));
}

static void xset(long id, String field, Object value) {
  xset(new PassRef(id), field, value);
}

static void xset(PassRef c, String field, Object value) {
  if (value instanceof PassRef)
    value = getConcept((PassRef) value);
  cset(getConcept(c), field, value);
}

// get class name of concept
static Object xclass(PassRef id) {
  Concept c = getConcept(id);
  return c == null ? null : c.className;
}

static Object xget(long id, String field) {
  return xget(new PassRef(id), field);
}

static Object xget(PassRef c, String field) {
  return export(cget(getConcept(c), field));
}

static void xdelete(long id) {
  xdelete(new PassRef(id));
}

static void xdelete(PassRef c) {
  getConcept(c).delete();
}

static List<PassRef> xlist() {
  return map("toPassRef", allConcepts());
}

static List<PassRef> xlist(String className) {
  return map("toPassRef", conceptsOfType(className));
}

// end of IPC methods

// make concept instance that is not connected to DB
static <A extends Concept> A unlisted(Class<A> c) {
  _unlisted.set(true);
  try {
    return nuObject(c);
  } finally {
    _unlisted.set(null);
  }
}

static <A extends Concept> A unary(Class<A> c) {
  A a = conceptOfType(c);
  if (a == null)
    a = nuObject(c);
  return a;
}

static Android3 makeDBBot(String name) {
  return makeBot(name, makeDBResponder());
}

static List<String> exposedDBMethods = ll("xlist", "xnew", "xset", "xdelete", "xget", "xclass");

static Object makeDBResponder() {
  return new Object() {
    String answer(String s) {
      return exposeMethods(s, exposedDBMethods);
    }
  };
}

static Object export(Object o) {
  if (o instanceof Concept)
    return new PassRef(((Concept) o).id);
  return o;
} // Concepts

static class Definition extends Concept {
  String name;   // what is defined
  String text;   // definition text
  Object source; // where definition comes from (optional)
  Object caveat; // an optional restriction of the definition, like "maybe" or "allegedly" or "rarely" or smth.
  
  Definition() {}
  Definition(String name, String text) {
  this.text = text;
  this.name = name; change(); }
}

public static void main(String[] args) throws Exception {
  loadAndAutoSaveConcepts();
  serveHttp(7654);
  makeBot("Wiki.");
}

synchronized static String answer(String s) {
final Matches m = new Matches();

  if (match("def * *", s, m)) {
    String name = m.unq(0);
    String text = m.unq(1);
    new Definition(name, text);
    int count = countConcepts(Definition.class, "name", name);
    return "Definition saved! Now have " + n(count, "definition") + " for " + quote(name) + ".";
  }

return null;
}

synchronized static Object html(String uri, final Map<String, String> params) { try {
 

  uri = dropPrefix("/", uri);
  if (startsWith(uri, "!")) {
    String name = substring(uri, 1);
    List<Definition> l = findConceptsWhere(Definition.class, "name", name);
    if (empty(l))
      return fixHTML("No definition found for " + quote(htmlencode(name)));
    else
      return fixHTML(h1(htmlencode(name))
        + ul(map(l, new Object() { Object get(Definition d) { return  htmlencode(d.text) ; }
  public String toString() { return "htmlencode(d.text)"; }})));
  }

  final MultiSet<String> ms = collectMultiSet(list(Definition.class), "name");
  List<String> names = sorted(ms.keySet());
  return fixHTML(
      h1("A. I. Wiki!")
    + p("Yo I got definitions for:")
    + ul(map(names, new Object() { Object get(String name) { return 
      ahref("/!" + urlencode(name), htmlencode(name)) + bracketedCount(ms.get(name))
    ; }
  public String toString() { return "ahref(\"/!\" + urlencode(name), htmlencode(name)) + bracketedCount(ms.get(name))"; }})));

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

static MultiSet collectMultiSet(Collection c, String field) {
  MultiSet set = new MultiSet();
  for (Object a : c) {
    Object val = getOpt(a, field);
    if (val != null)
      set.add(val);
  }
  return set;
}
// TODO: extract stuff to head etc.
static String fixHTML(Object contents) {
  String s = str(contents);
  return hhtml(hbody(s));
}
static String urlencode(String x) {
  try {
    return URLEncoder.encode(unnull(x), "UTF-8");
  } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); }
}
static String h1(String s) {
  return tag("h1", s);
}
static String ahref(String link, String contents, Object... params) {
  return href(link, contents, params);
}
static <A> ArrayList<A> list(A[] a) {
  return asList(a);
}

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

static <A> ArrayList<A> list(Set<A> s) {
  return asList(s);
}
static String n(long l, String name) {
  return l + " " + (l == 1 ? name : getPlural(name));
}
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);
}
  // automagically encode a whole map (keys+values)
  static Map htmlencode(Map o) {
    HashMap bla = new HashMap();
    for (Object key : keys(o)) {
      Object value = o.get(key);
      bla.put(htmlencode(key), htmlencode(value));
    }
    return bla;
  }

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

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

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

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

static boolean empty(Object o) {
  if (o instanceof Collection) return empty((Collection) o);
  if (o instanceof String) return empty((String) o);
  if (o instanceof Map) return empty((Map) o);
  if (o instanceof Object[]) return empty((Object[]) o);
  throw fail("unknown type for 'empty': " + getType(o));
}
static String p(String s, Object... params) {
  return tag("p", s, params);
}
static String bracketedCount(int n) {
  if (n == 1) return "";
  return " (" + n + ")";
}
static List sorted(Collection c, final Object comparator) {
  List l = cloneList(c);
  sort(l, new Comparator() {
    public int compare(Object a, Object b) {
      return (int) callFunction(comparator, a, b);
    }
  });
  return l;
}

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

static String ul(String... list) {
  return ul(asList(list));
}

static String ul(List<String> list, Object... params) {
  StringBuilder buf = new StringBuilder();
  int i = indexOf(params, null);
  if (i == -1) i = l(params);
  for (String s : list)
    buf.append(tag("li", s, subArray(params, i+1)));
  return tag("ul", buf, subArray(params, 0, i));
}
static int makeBot(String greeting) {
  return makeAndroid3(greeting).port;
}

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

static Android3 makeBot(String greeting, Object responder) {
  Android3 a = new Android3(greeting);
  a.responder = makeResponder(responder);
  makeBot(a);
  return a;
}
static <A extends Concept> int countConcepts(Class<A> c, Object... params) {
  int n = 0;
  for (A x : list(c))
    if (checkConceptFields(x, params))
      ++n;
  return n;
}
static <A extends Concept> List<A> findConceptsWhere(Class<A> c, Object... params) {
  List<A> l = new ArrayList<A>();
  for (A x : list(c))
    if (checkConceptFields(x, params))
      l.add(x);
  return l;
}
static List map(Iterable l, Object f) {
  return map(f, l);
}

static List map(Object f, Iterable l) {
  List x = new ArrayList();
  Object mc = mc();
  for (Object o : unnull(l))
    x.add(callFunction(f, o));
  return x;
}

static List map(Object f, Object[] l) {
  return map(f, asList(l));
}
static String dropPrefix(String prefix, String s) {
  return s.startsWith(prefix) ? s.substring(l(prefix)) : s;
}


//include #1001651 // class NanoHTTPD
  
  static class MyHTTPD extends NanoHTTPD {
    public MyHTTPD(int port) {
      super(port);
    }
  
    public Response serve(String uri, Method method,
      Map<String, String> header, Map<String, String> parms,
      Map<String, String> files) {
      String remoteAddr  = header.get("remote-addr");
      print("Serving URI: " + quote(uri) + " to: " + remoteAddr);
      
      /*if (nempty(remoteAddr) &&
        isTrue(callOpt(mc(), "isBlockedIP", remoteAddr))) {
        print("BLOCKED IP.");
        ret serve404();
      }*/
      
      try {
        Response response = (Response) ( callOpt(getMainClass(), "serve", uri, method, header, parms, files));
        if (response != null) return response;
        String html = callHtmlMethod(getMainClass(), uri);
        if (html != null)
          return serveHTML(html);
        return serve404();
      } catch (Throwable e) {
        printStackTrace(e);
        return serveHTML("ERROR.");
      }
    }
  }

  static MyHTTPD serveHttp_server;
  static int serveHttp_port = 8888;

  static Set<String> serveHttp_peers = new TreeSet<String>();
  
  static void serveHttp(int port) { try {
 
    serveHttp_port = port;
    serveHttp_server = new MyHTTPD(port);
    serveHttp_server.start();
    System.out.println("HTTP server started (listening on port " + port + "!)");
    printMyIPs();
  
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

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

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


static class Android3 {
  String greeting;
  boolean publicOverride; // optionally set this in client
  int startPort = 5000; // optionally set this in client
  Responder responder;
  boolean console = true;
  boolean daemon = false;
  boolean incomingSilent = false;
  boolean useMultiPort = true;
  boolean verbose;
  
  // set by system
  int port;
  long vport;
  DialogHandler handler;
  ServerSocket server;
  
  Android3(String greeting) {
  this.greeting = greeting;}
  Android3() {}
  
  synchronized void dispose() {
    if (server != null) {
      try {
        server.close();
      } catch (IOException e) {
        print("[internal] " + e);
      }
      server = null;
    }
    if (vport != 0) try { /* pcall 1*/ 
      //print("Dispoing virtual port " + vport);
      removeFromMultiPort(vport);
      vport = 0;
    /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); }
  }
}

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

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

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

static Android3 makeAndroid3(final Android3 a) {
  if (a.responder == null)
    a.responder = new Responder() {
      String answer(String s, List<String> history) {
        return callStaticAnswerMethod(s, history);
      }
    };
    
  print(a.greeting);
  
  if (a.useMultiPort) {
    a.vport = addToMultiPort(a.greeting,
      makeAndroid3_verboseResponder(a));
    if (a.vport == 1)
      makeAndroid3_handleConsole(a);
    return a;
  }
    
  a.handler = makeAndroid3_makeDialogHandler(a);
  a.port = a.daemon
    ? startDialogServerOnPortAboveDaemon(a.startPort, a.handler)
    : startDialogServerOnPortAbove(a.startPort, a.handler);
  a.server = startDialogServer_serverSocket;

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

  record(a);
  return a;
}

static void makeAndroid3_handleConsole(final Android3 a) {
  // Console handling stuff
  print("You may also type on this console.");
  { Thread _t_0 = new Thread() {
public void run() { try { /* pcall 1*/ 
    List<String> history = new ArrayList<String>();
    String line;
    while ((line = readLine()) != null) {
      /*if (eq(line, "bye")) {
        print("> bye stranger");
        history = new ArrayList<S>();
      } else*/ {
        history.add(line);
        history.add(makeAndroid3_getAnswer(line, history, a)); // prints answer on console too
      }
    }
  /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); } }
};
_t_0.start(); }
}

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

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

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

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

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

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

static 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(Iterable<A> s) {
  if (s instanceof ArrayList) return (ArrayList) s;
  ArrayList l = new ArrayList();
  if (s != null)
    for (A a : s)
      l.add(a);
  return l;
}
// 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 NanoHTTPD.Response serveHTML(String text) {
  return NanoHTTPD.newFixedLengthResponse(String.valueOf(text));
}

static NanoHTTPD.Response serveHTML(StringBuilder buf) {
  return NanoHTTPD.newFixedLengthResponse(buf.toString());
}

static NanoHTTPD.Response serveHTML(StringBuffer buf) {
  return NanoHTTPD.newFixedLengthResponse(buf.toString());
}
static Object mc() {
  return getMainClass();
}
static void printMyIPs() {
String ip;
  try {
      Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
      while (interfaces.hasMoreElements()) {
          NetworkInterface iface = interfaces.nextElement();
          // filters out 127.0.0.1 and inactive interfaces
          if (iface.isLoopback() || !iface.isUp())
              continue;

          Enumeration<InetAddress> addresses = iface.getInetAddresses();
          while(addresses.hasMoreElements()) {
              InetAddress addr = addresses.nextElement();
              ip = addr.getHostAddress();
if (ip.startsWith("127.")) continue;
boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe");
              System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)"));
          }
      }
  } catch (Throwable e) {
      e.printStackTrace();
  }
}
static String tag(String tag, Object contents, Object... params) {
  return htag(tag, str(contents), params);
}

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

static String tag(String tag, StringBuffer contents, Object... params) {
  return htag(tag, contents, params);
}
static String href(String link, String contents, Object... params) {
  return tag("a", contents, arrayPlus(params, "href", link));
}
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static <A> int indexOf(List<A> l, A a, int startIndex) {
  if (l == null) return -1;
  for (int i = startIndex; i < l(l); i++)
    if (eq(l.get(i), a))
      return i;
  return -1;
}

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

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

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

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

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

static <A> int indexOf(A[] x, A a) {
  if (x == null) return -1;
  for (int i = 0; i < l(x); i++)
    if (eq(x[i], a))
      return i;
  return -1;
}
static int[] subArray(int[] b, int start, int end) {
  int[] x = new int[end-start];
  System.arraycopy(b, start, x, 0, end-start);
  return x;
}

static byte[] subArray(byte[] b, int start, int end) {
  byte[] x = new byte[end-start];
  System.arraycopy(b, start, x, 0, end-start);
  return x;
}

static Object[] subArray(Object[] b, int start) {
  return subArray(b, start, l(b));
}

static Object[] subArray(Object[] b, int start, int end) {
  start = max(start, 0);
  end = min(end, l(b));
  if (start >= end) return new Object[0];
  Object[] x = new Object[end-start];
  System.arraycopy(b, start, x, 0, end-start);
  return x;
}
static String getPlural(String s) {
  if (s.endsWith("y")) return dropSuffix("y", s) + "ies";
  if (s.endsWith("ss")) return s + "es";
  return s + "s";
}
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 <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 <T> void sort(T[] a, Comparator<? super T> c) {
  Arrays.sort(a, c);
}

static <T> void sort(T[] a) {
  Arrays.sort(a);
}

static <T> void sort(List<T> a, Comparator<? super T> c) {
  Collections.sort(a, c);
}

static void sort(List a) {
  Collections.sort(a);
}
static String str(Object o) {
  return String.valueOf(o);
}
  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 String getType(Object o) {
  return getClassName(o);
}
static String string(Object o) {
  return String.valueOf(o);
}
static <A, B> Set<A> keys(Map<A, B> map) {
  return map.keySet();
}

static Set keys(Object map) {
  return keys((Map) map);
}
static Object callOpt(Object o) {
  if (o == null) return null;
  return callF(o);
}

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


// o can be a class, then we search for a static method called "html".
static String callHtmlMethod(Object o, String uri) {
  return callHtmlMethod(o, uri, null);
}

static String callHtmlMethod(Object o, String uri, Map<String, String> params) {
  String s = (String) callOpt(o, "html", uri, params);
  if (s == null)
    s = (String) callOpt(o, "html", uri);
  if (s == null)
    s = (String) callOpt(o, "html");
  return s;
}

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

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

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

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

static BitSet unnull(BitSet b) {
  return b == null ? new BitSet(): b;
}
static boolean checkConceptFields(Concept x, Object... data) {
  for (int i = 0; i < l(data); i += 2)
    if (neq(cget(x, (String) data[i]), data[i+1]))
      return false;
  return true;
}
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 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 int l(Object[] a) { return a == null ? 0 : a.length; }
static int l(boolean[] a) { return a == null ? 0 : a.length; }
static int l(byte[] a) { return a == null ? 0 : a.length; }
static int l(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] a) { return a == null ? 0 : a.length; }
static int l(char[] a) { return a == null ? 0 : a.length; }
static int l(Collection c) { return c == null ? 0 : c.size(); }
static int l(Map m) { return m == null ? 0 : m.size(); }
static int l(CharSequence s) { return s == null ? 0 : s.length(); } 

static int l(Object o) {
  return l((List) o); // incomplete
}

static String hbody(Object contents) {
  return tag("body", contents);
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static volatile StringBuffer print_log = local_log; // might be redirected, e.g. to main bot

// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;
//static int print_maxLineLength = 0; // 0 = unset

static boolean print_silent; // total mute if set

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

// slightly overblown signature to return original object...
static <A> A print(A o) {
  if (print_silent) return o;
  String s = String.valueOf(o) + "\n";
  // TODO if (print_maxLineLength != 0)
  StringBuffer loc = local_log;
  StringBuffer buf = print_log;
  int loc_max = print_log_max;
  if (buf != loc && buf != null) {
    print_append(buf, s, print_log_max);
    loc_max = local_log_max;
  }
  if (loc != null) 
    print_append(loc, s, loc_max);
  System.out.print(s);
  return o;
}

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

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

static void print_append(StringBuffer buf, String s, int max) {
  synchronized(buf) {
    buf.append(s);
    max /= 2;
    if (buf.length() > max) try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
  }
}
static String makeResponder_callAnswerMethod(Object bot, String s, List<String> history) {
  String answer = (String) callOpt(bot, "answer", s, history);
  if (answer == null)
    answer = (String) callOpt(bot, "answer", s);
  return answer;
}

static Responder makeResponder(final Object bot) {
  if (bot instanceof Responder) return (Responder) bot;
  
  return new Responder() {
    String answer(String s, List<String> history) {
      return makeResponder_callAnswerMethod(bot, s, history);
    }
  };
}
static Object getOpt(Object o, String field) {
  if (o instanceof String) o = getBot ((String) o);
  if (o == null) return null;
  if (o instanceof Class) return getOpt((Class) o, field);
  
  if (o.getClass().getName().equals("main$DynamicObject"))
    return ((Map) getOpt_raw(o, "fieldValues")).get(field);
  
  if (o instanceof Map) return ((Map) o).get(field);
  
  return getOpt_raw(o, field);
}

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

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

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

static Field getOpt_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static String hhtml(Object contents) {
  return tag("html", contents);
}
static NanoHTTPD.Response serve404() {
  return serve404("Not Found");
}

static NanoHTTPD.Response serve404(String msg) {
  return NanoHTTPD.newFixedLengthResponse(NanoHTTPD.Status.NOT_FOUND, NanoHTTPD.MIME_PLAINTEXT, "Code 404 - " + msg);
}


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

// shortcut for converting an object to string
static String htag(String tag, Object contents, Object... params) {
  return htag(tag, str(contents), params);
}

static Object callF(Object f, Object... args) {
  return callFunction(f, args);
}
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 String getStackTrace(Throwable throwable) {
  StringWriter writer = new StringWriter();
  throwable.printStackTrace(new PrintWriter(writer));
  return writer.toString();
}
static boolean publicCommOn() {
  return "1".equals(loadTextFile(new File(userHome(), ".javax/public-communication")));
}
static List<Object> record_list = synchroList();

static void record(Object o) {
  record_list.add(o);
}
static Object getBot(String botID) {
  return callOpt(getMainBot(), "getBot", botID);
}

// one array plus more elements
static Object[] arrayPlus(Object[] a1, Object... a2) {
  return concatArrays(a1, a2);
}
// extended over Class.isInstance() to handle primitive types
static boolean isInstanceX(Class type, Object arg) {
  if (type == boolean.class) return arg instanceof Boolean;
  if (type == int.class) return arg instanceof Integer;
  if (type == long.class) return arg instanceof Long;
  if (type == float.class) return arg instanceof Float;
  if (type == short.class) return arg instanceof Short;
  if (type == char.class) return arg instanceof Character;
  if (type == byte.class) return arg instanceof Byte;
  if (type == double.class) return arg instanceof Double;
  return type.isInstance(arg);
}
static String getInjectionID() {
  return (String) call(getJavaX(), "getInjectionID", getMainClass());
}
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 void removeFromMultiPort(long vport) {
  for (Object port : getMultiPorts())
    call(port, "removePort", vport);
}
static String getClassName(Object o) {
  return o == null ? "null" : o.getClass().getName();
}
static Object addToMultiPort_responder;

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

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

static String programID;

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

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

static String getProgramID(Object o) {
  return getProgramID(getMainClass(o));
}
static List emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}
static int min(int a, int b) {
  return Math.min(a, b);
}

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

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

static byte min(byte[] c) {
  byte x = 127;
  for (byte d : c) if (d < x) x = d;
  return x;
}
  static AtomicInteger dialogServer_clients = new AtomicInteger();
  static boolean dialogServer_printConnects;
  
  static Set<String> dialogServer_knownClients = synchroTreeSet();
  
  static int startDialogServerOnPortAbove(int port, DialogHandler handler) {
    while (!forbiddenPort(port) && !startDialogServerIfPortAvailable(port, handler))
      ++port;
    return port;
  }
  
  static int startDialogServerOnPortAboveDaemon(int port, DialogHandler handler) {
    while (!forbiddenPort(port) && !startDialogServerIfPortAvailable(port, handler, true))
      ++port;
    return port;
  }
  
  static void startDialogServer(int port, DialogHandler handler) {
    if (!startDialogServerIfPortAvailable(port, handler))
      throw fail("Can't start dialog server on port " + port);
  }
  
  static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler) {
    return startDialogServerIfPortAvailable(port, handler, false);
  }
  
  static ServerSocket startDialogServer_serverSocket;
    
  static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler, boolean daemon) {
    ServerSocket serverSocket = null;
    try {
      serverSocket = new ServerSocket(port);
    } catch (IOException e) {
      // probably the port number is used - let's assume there already is a chat server.
      return false;
    }
    final ServerSocket _serverSocket = serverSocket;
    startDialogServer_serverSocket = serverSocket;

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

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

// try to get our current process ID
static String getPID() {
  String name = ManagementFactory.getRuntimeMXBean().getName();
  return name.replaceAll("@.*", "");
}
  public static String unquote(String s) {
    if (s == null) return null;
    if (s.startsWith("[")) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i+1, s.length()-i-1);
      }
    }
    
    if (s.startsWith("\"") /*&& s.endsWith("\"")*/ && s.length() > 1) {
      String st = s.substring(1, s.endsWith("\"") ? s.length()-1 : s.length());
      StringBuilder sb = new StringBuilder(st.length());
  
      for (int i = 0; i < st.length(); i++) {
        char ch = st.charAt(i);
        if (ch == '\\') {
          char nextChar = (i == st.length() - 1) ? '\\' : st
                  .charAt(i + 1);
          // Octal escape?
          if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
                      && st.charAt(i + 1) <= '7') {
                  code += st.charAt(i + 1);
                  i++;
                  if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
                          && st.charAt(i + 1) <= '7') {
                      code += st.charAt(i + 1);
                      i++;
                  }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
          }
          switch (nextChar) {
          case '\\':
              ch = '\\';
              break;
          case 'b':
              ch = '\b';
              break;
          case 'f':
              ch = '\f';
              break;
          case 'n':
              ch = '\n';
              break;
          case 'r':
              ch = '\r';
              break;
          case 't':
              ch = '\t';
              break;
          case '\"':
              ch = '\"';
              break;
          case '\'':
              ch = '\'';
              break;
          // Hex Unicode: u????
          case 'u':
              if (i >= st.length() - 5) {
                  ch = 'u';
                  break;
              }
              int code = Integer.parseInt(
                      "" + st.charAt(i + 2) + st.charAt(i + 3)
                              + st.charAt(i + 4) + st.charAt(i + 5), 16);
              sb.append(Character.toChars(code));
              i += 5;
              continue;
          default:
            ch = nextChar; // added by Stefan
          }
          i++;
        }
        sb.append(ch);
      }
      return sb.toString();      
    } else
      return s; // return original
  }
static int max(int a, int b) {
  return Math.max(a, b);
}

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

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

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

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

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

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

static byte max(byte[] c) {
  byte x = -128;
  for (byte d : c) if (d > x) x = d;
  return x;
}
static String dropSuffix(String suffix, String s) {
  return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static String callStaticAnswerMethod(List bots, String s) {
  for (Object c : bots) try {
    String answer = callStaticAnswerMethod(c, s);
    if (!empty(answer)) return answer;
  } catch (Throwable e) {
    print("Error calling " + getProgramID(c));
    e.printStackTrace();
  }
  return null;
}

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

static String callStaticAnswerMethod(String s, List<String> history) {
  String answer = (String) callOpt(mc(), "answer", s, history);
  if (answer == null)
    answer = (String) callOpt(mc(), "answer", s);
  return emptyToNull(answer);
}
static BufferedReader readLine_reader;

static String readLine() {
  return (String) call(getJavaX(), "readLine");
}
static Throwable getInnerException(Throwable e) {
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}
  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 int randomID_defaultLength = 12;

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

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


static <A> Set<A> synchroTreeSet() {
  return Collections.synchronizedSet(new TreeSet<A>());
}

static String htmlQuote(String s) {
  return "\"" + htmlencode(s) + "\"";
}
  static List<String> parse3(String s) {
    return dropPunctuation(javaTokPlusPeriod(s));
  }
static Object mainBot;

static Object getMainBot() {
  return mainBot;
}
static String _userHome;
static String userHome() {
  if (_userHome == null) {
    if (isAndroid())
      _userHome = "/storage/sdcard0/";
    else
      _userHome = System.getProperty("user.home");
    //System.out.println("userHome: " + _userHome);
  }
  return _userHome;
}

static File userHome(String path) {
  return new File(userDir(), path);
}
static <A> ArrayList<A> litlist(A... a) {
  return new ArrayList<A>(Arrays.asList(a));
}
// get purpose 1: access a list/array (safer version of x.get(y))

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

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

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

static Class get_dynamicObject = findClass("DynamicObject");

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

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

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

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

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

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

static Class getJavaX() {
  return __javax;
}
// 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 Object[] concatArrays(Object[]... arrays) {
  int l = 0;
  for (Object[] a : arrays) l += l(a);
  Object[] x = new Object[l];
  int i = 0;
  for (Object[] a : arrays) if (a != null) {
    System.arraycopy(a, 0, x, i, l(a));
    i += l(a);
  }
  return x;
}

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

static String formatSnippetID(long id) {
  return "#" + id;
}
static <A> A last(List<A> l) {
  return l.isEmpty() ? null : l.get(l.size()-1);
}

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

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

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

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

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

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

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

static boolean nempty(Iterator i) {
  return i != null && i.hasNext();
}
static String makeRandomID(int length) {
  Random random = new Random();
  char[] id = new char[length];
  for (int i = 0; i < id.length; i++)
    id[i] = (char) ((int) 'a' + random.nextInt(26));
  return new String(id);
}
// start multi-port if none exists in current VM.
static void startMultiPort() {
  List mp = getMultiPorts();
  if (mp != null && mp.isEmpty())
    callMain(hotwire("#1001672"));
}


static boolean equalsIgnoreCase(String a, String b) {
  return a == null ? b == null : a.equalsIgnoreCase(b);
}
// currently finds only inner classes of class "main"
// returns null on not found
// this is the simple version that is not case-tolerant
static Class findClass(String name) {
  if (!isJavaIdentifier(name)) return null;
  try {
    return Class.forName("main$" + name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}
static void callMain(Object c, String... args) {
  callOpt(c, "main", new Object[] {args});
}
static RuntimeException asRuntimeException(Throwable t) {
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
// This is made for NL parsing.
// It's javaTok extended with "..." token, "$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;
}

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

        call(j, "setVars", theClass, isSnippetID(src) ? src: null);
        
        if (isSnippetID(src))
          callOpt(j, "addInstance", src, theClass);
          
        if (!_inCore())
          hotwire_copyOver(theClass);
  
        return theClass;
      }
    } catch (Exception e) {
      throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
    }
  }
static List<String> dropPunctuation_keep = litlist("*", "<", ">");

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

static String dropPunctuation(String s) {
  return join(dropPunctuation(nlTok(s)));
}
static 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; }


  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 String shortenSnippetID(String snippetID) {
  if (snippetID.startsWith("#"))
    snippetID = snippetID.substring(1);
  String httpBlaBla = "http://tinybrain.de/";
  if (snippetID.startsWith(httpBlaBla))
    snippetID = snippetID.substring(httpBlaBla.length());
  return "" + parseLong(snippetID);
}
static boolean isJavaIdentifier(String s) {
  if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0)))
    return false;
  for (int i = 1; i < s.length(); i++)
    if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
  return true;
}
static boolean _inCore() {
  return false;
}
  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }
static void hotwire_copyOver(Class c) {
  synchronized(StringBuffer.class) {
    for (String field : litlist("print_log", "print_silent", "androidContext")) {
      Object o = getOpt(mc(), field);
      if (o != null)
        setOpt(c, field, o);
    }
      
    Object mainBot = getMainBot();
    if (mainBot != null)
      setOpt(c, "mainBot", mainBot);

    setOpt(c, "creator_class", new WeakReference(mc()));
  }
}
static List<String> nlTok(String s) {
  return javaTokPlusPeriod(s);
}


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

static long parseLong(Object s) {
  return Long.parseLong((String) s);
}
static void setOpt(Object o, String field, Object value) {
  if (o instanceof Class) setOpt((Class) o, field, value);
  else try {
    Field f = setOpt_findField(o.getClass(), field);
    if (f != null)
      smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

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

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


static 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);
}


// not changed yet: allow cookie to be read right after being set




static abstract class NanoHTTPD {

    static ThreadLocal<IHTTPSession> currentSession = new ThreadLocal<IHTTPSession>();

    /**
     * Pluggable strategy for asynchronously executing requests.
     */
    public interface AsyncRunner {

        void closeAll();

        void closed(ClientHandler clientHandler);

        void exec(ClientHandler code);
    }

    /**
     * The runnable that will be used for every new client connection.
     */
    public class ClientHandler implements Runnable {

        private final InputStream inputStream;

        private final Socket acceptSocket;

        private ClientHandler(InputStream inputStream, Socket acceptSocket) {
            this.inputStream = inputStream;
            this.acceptSocket = acceptSocket;
        }

        public void close() {
            safeClose(this.inputStream);
            safeClose(this.acceptSocket);
        }

        @Override
        public void run() {
            OutputStream outputStream = null;
            try {
                outputStream = wrapStuff("SocketOutputStream", this.acceptSocket.getOutputStream(), this.acceptSocket);
                TempFileManager tempFileManager = NanoHTTPD.this.tempFileManagerFactory.create();
                HTTPSession session = new HTTPSession(tempFileManager, this.inputStream, outputStream, this.acceptSocket.getInetAddress());
                while (!this.acceptSocket.isClosed()) {
                    session.execute();
                }
            } catch (Exception e) {
                // When the socket is closed by the client,
                // we throw our own SocketException
                // to break the "keep alive" loop above. If
                // the exception was anything other
                // than the expected SocketException OR a
                // SocketTimeoutException, print the
                // stacktrace
                if (!(e instanceof SocketException && "NanoHttpd Shutdown".equals(e.getMessage())) && !(e instanceof SocketTimeoutException)) {
                    NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e);
                }
            } finally {
                safeClose(outputStream);
                safeClose(this.inputStream);
                safeClose(this.acceptSocket);
                NanoHTTPD.this.asyncRunner.closed(this);
            }
        }
    }

    public static class Cookie {

        public static String getHTTPTime(int days) {
            Calendar calendar = Calendar.getInstance();
            SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z", Locale.US);
            dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
            calendar.add(Calendar.DAY_OF_MONTH, days);
            return dateFormat.format(calendar.getTime());
        }

        final String n, v, e;

        public Cookie(String name, String value) {
            this(name, value, 30);
        }

        public Cookie(String name, String value, int numDays) {
            this.n = name;
            this.v = value;
            this.e = getHTTPTime(numDays);
        }

        public Cookie(String name, String value, String expires) {
            this.n = name;
            this.v = value;
            this.e = expires;
        }

        public String getHTTPHeader() {
            String fmt = "%s=%s; expires=%s";
            return String.format(fmt, this.n, this.v, this.e);
        }
    }

    /**
     * Provides rudimentary support for cookies. Doesn't support 'path',
     * 'secure' nor 'httpOnly'. Feel free to improve it and/or add unsupported
     * features.
     * 
     * @author LordFokas
     */
    public class CookieHandler implements Iterable<String> {

        private final HashMap<String, String> cookies = new HashMap<String, String>();

        private final ArrayList<Cookie> queue = new ArrayList<Cookie>();

        public CookieHandler(Map<String, String> httpHeaders) {
            String raw = httpHeaders.get("cookie");
            if (raw != null) {
                String[] tokens = raw.split(";");
                for (String token : tokens) {
                    String[] data = token.trim().split("=");
                    if (data.length == 2) {
                        this.cookies.put(data[0], data[1]);
                    }
                }
            }
        }

        /**
         * Set a cookie with an expiration date from a month ago, effectively
         * deleting it on the client side.
         * 
         * @param name
         *            The cookie name.
         */
        public void delete(String name) {
            set(name, "-delete-", -30);
        }

        @Override
        public Iterator<String> iterator() {
            return this.cookies.keySet().iterator();
        }

        /**
         * Read a cookie from the HTTP Headers.
         * 
         * @param name
         *            The cookie's name.
         * @return The cookie's value if it exists, null otherwise.
         */
        public String read(String name) {
            return this.cookies.get(name);
        }

        public void set(Cookie cookie) {
            this.queue.add(cookie);
            //cookies.put(cookie.n, cookie.v); // CHANGED
        }

        /**
         * Sets a cookie.
         * 
         * @param name
         *            The cookie's name.
         * @param value
         *            The cookie's value.
         * @param expires
         *            How many days until the cookie expires.
         */
        public void set(String name, String value, int expires) {
            this.queue.add(new Cookie(name, value, Cookie.getHTTPTime(expires)));
        }

        /**
         * Internally used by the webserver to add all queued cookies into the
         * Response's HTTP Headers.
         * 
         * @param response
         *            The Response object to which headers the queued cookies
         *            will be added.
         */
        public void unloadQueue(Response response) {
            for (Cookie cookie : this.queue) {
                response.addHeader("Set-Cookie", cookie.getHTTPHeader());
            }
        }
    }

    /**
     * Default threading strategy for NanoHTTPD.
     * <p/>
     * <p>
     * By default, the server spawns a new Thread for every incoming request.
     * These are set to <i>daemon</i> status, and named according to the request
     * number. The name is useful when profiling the application.
     * </p>
     */
    public static class DefaultAsyncRunner implements AsyncRunner {

        private long requestCount;

        private final List<ClientHandler> running = Collections.synchronizedList(new ArrayList<NanoHTTPD.ClientHandler>());

        /**
         * @return a list with currently running clients.
         */
        public List<ClientHandler> getRunning() {
            return running;
        }

        @Override
        public void closeAll() {
            // copy of the list for concurrency
            for (ClientHandler clientHandler : new ArrayList<ClientHandler>(this.running)) {
                clientHandler.close();
            }
        }

        @Override
        public void closed(ClientHandler clientHandler) {
            this.running.remove(clientHandler);
        }

        @Override
        public void exec(ClientHandler clientHandler) {
            ++this.requestCount;
            Thread t = new Thread(clientHandler);
            //t.setDaemon(true);
            t.setName("NanoHttpd Request Processor (#" + this.requestCount + ")");
            this.running.add(clientHandler);
            t.start();
        }
    }

    /**
     * Default strategy for creating and cleaning up temporary files.
     * <p/>
     * <p>
     * By default, files are created by <code>File.createTempFile()</code> in
     * the directory specified.
     * </p>
     */
    public static class DefaultTempFile implements TempFile {

        private final File file;

        private final OutputStream fstream;

        public DefaultTempFile(String tempdir) throws IOException {
            this.file = File.createTempFile("NanoHTTPD-", "", new File(tempdir));
            this.fstream = new FileOutputStream(this.file);
            System.err.println("Temp file created: " + file);
        }

        @Override
        public void delete() throws Exception {
            safeClose(this.fstream);
            System.err.println("Temp file deleted: " + file);
            if (!this.file.delete()) {
                throw new Exception("could not delete temporary file");
            }
        }

        @Override
        public String getName() {
            return this.file.getAbsolutePath();
        }

        @Override
        public OutputStream open() throws Exception {
            return this.fstream;
        }
    }

    /**
     * Default strategy for creating and cleaning up temporary files.
     * <p/>
     * <p>
     * This class stores its files in the standard location (that is, wherever
     * <code>java.io.tmpdir</code> points to). Files are added to an internal
     * list, and deleted when no longer needed (that is, when
     * <code>clear()</code> is invoked at the end of processing a request).
     * </p>
     */
    public static class DefaultTempFileManager implements TempFileManager {

        private final String tmpdir;

        private final List<TempFile> tempFiles;

        public DefaultTempFileManager() {
            this.tmpdir = tempDir().getPath(); // use JavaX, dude
              // System.getProperty("java.io.tmpdir");
            this.tempFiles = new ArrayList<TempFile>();
        }

        @Override
        public void clear() {
            for (TempFile file : this.tempFiles) {
                try {
                    file.delete();
                } catch (Exception ignored) {
                    NanoHTTPD.LOG.log(Level.WARNING, "could not delete file ", ignored);
                }
            }
            this.tempFiles.clear();
        }

        @Override
        public TempFile createTempFile() throws Exception {
            DefaultTempFile tempFile = new DefaultTempFile(this.tmpdir);
            this.tempFiles.add(tempFile);
            return tempFile;
        }
    }

    /**
     * Default strategy for creating and cleaning up temporary files.
     */
    private class DefaultTempFileManagerFactory implements TempFileManagerFactory {

        @Override
        public TempFileManager create() {
            return new DefaultTempFileManager();
        }
    }

    private static final String CONTENT_DISPOSITION_REGEX = "([ |\t]*Content-Disposition[ |\t]*:)(.*)";

    private static final Pattern CONTENT_DISPOSITION_PATTERN = Pattern.compile(CONTENT_DISPOSITION_REGEX, Pattern.CASE_INSENSITIVE);

    private static final String CONTENT_TYPE_REGEX = "([ |\t]*content-type[ |\t]*:)(.*)";

    private static final Pattern CONTENT_TYPE_PATTERN = Pattern.compile(CONTENT_TYPE_REGEX, Pattern.CASE_INSENSITIVE);

    private static final String CONTENT_DISPOSITION_ATTRIBUTE_REGEX = "[ |\t]*([a-zA-Z]*)[ |\t]*=[ |\t]*['|\"]([^\"^']*)['|\"]";

    private static final Pattern CONTENT_DISPOSITION_ATTRIBUTE_PATTERN = Pattern.compile(CONTENT_DISPOSITION_ATTRIBUTE_REGEX);

    protected class HTTPSession implements IHTTPSession {

        public static final int BUFSIZE = 8192;

        private final TempFileManager tempFileManager;

        private final OutputStream outputStream;

        private final PushbackInputStream inputStream;

        private int splitbyte;

        private int rlen;

        private String uri;

        private Method method;

        private Map<String, String> parms;

        private Map<String, String> headers;

        private CookieHandler cookies;

        private String queryParameterString;

        private String remoteIp;

        private String protocolVersion;

        public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream) {
            this.tempFileManager = tempFileManager;
            this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE);
            this.outputStream = outputStream;
        }

        public HTTPSession(TempFileManager tempFileManager, InputStream inputStream, OutputStream outputStream, InetAddress inetAddress) {
            this.tempFileManager = tempFileManager;
            this.inputStream = new PushbackInputStream(inputStream, HTTPSession.BUFSIZE);
            this.outputStream = outputStream;
            this.remoteIp = inetAddress.isLoopbackAddress() || inetAddress.isAnyLocalAddress() ? "127.0.0.1" : inetAddress.getHostAddress().toString();
            this.headers = new HashMap<String, String>();
        }

        /**
         * Decodes the sent headers and loads the data into Key/value pairs
         */
        private void decodeHeader(BufferedReader in, Map<String, String> pre, Map<String, String> parms, Map<String, String> headers) throws ResponseException {
            try {
                // Read the request line
                String inLine = in.readLine();
                if (inLine == null) {
                    return;
                }

                StringTokenizer st = new StringTokenizer(inLine);
                if (!st.hasMoreTokens()) {
                    throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Syntax error. Usage: GET /example/file.html");
                }

                pre.put("method", st.nextToken());

                if (!st.hasMoreTokens()) {
                    throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Missing URI. Usage: GET /example/file.html");
                }

                String uri = st.nextToken();

                // Decode parameters from the URI
                int qmi = uri.indexOf('?');
                if (qmi >= 0) {
                    decodeParms(uri.substring(qmi + 1), parms);
                    uri = decodePercent(uri.substring(0, qmi));
                } else {
                    uri = decodePercent(uri);
                }

                // If there's another token, its protocol version,
                // followed by HTTP headers.
                // NOTE: this now forces header names lower case since they are
                // case insensitive and vary by client.
                if (st.hasMoreTokens()) {
                    protocolVersion = st.nextToken();
                } else {
                    protocolVersion = "HTTP/1.1";
                    NanoHTTPD.LOG.log(Level.FINE, "no protocol version specified, strange. Assuming HTTP/1.1.");
                }
                String line = in.readLine();
                while (line != null && line.trim().length() > 0) {
                    int p = line.indexOf(':');
                    if (p >= 0) {
                        headers.put(line.substring(0, p).trim().toLowerCase(Locale.US), line.substring(p + 1).trim());
                    }
                    line = in.readLine();
                }

                pre.put("uri", uri);
            } catch (IOException ioe) {
                throw new ResponseException(Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage(), ioe);
            }
        }

        /**
         * Decodes the Multipart Body data and put it into Key/Value pairs.
         */
        private void decodeMultipartFormData(String boundary, ByteBuffer fbuf, Map<String, String> parms, Map<String, String> files) throws ResponseException {
            try {
                int[] boundary_idxs = getBoundaryPositions(fbuf, boundary.getBytes());
                if (boundary_idxs.length < 2) {
                    throw new ResponseException(
                    Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but contains less than two boundary strings.");
                }

                final int MAX_HEADER_SIZE = 1024;
                byte[] part_header_buff = new byte[MAX_HEADER_SIZE];
                for (int bi = 0; bi < boundary_idxs.length - 1; bi++) {
                    fbuf.position(boundary_idxs[bi]);
                    int len = (fbuf.remaining() < MAX_HEADER_SIZE) ? fbuf.remaining() : MAX_HEADER_SIZE;
                    fbuf.get(part_header_buff, 0, len);
                    ByteArrayInputStream bais = new ByteArrayInputStream(part_header_buff, 0, len);
                    BufferedReader in = new BufferedReader(new InputStreamReader(bais, Charset.forName("US-ASCII")));

                    // First line is boundary string
                    String mpline = in.readLine();
                    if (!mpline.contains(boundary)) {
                        throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Content type is multipart/form-data but chunk does not start with boundary.");
                    }

                    String part_name = null, file_name = null, content_type = null;
                    // Parse the reset of the header lines
                    mpline = in.readLine();
                    while (mpline != null && mpline.trim().length() > 0) {
                        Matcher matcher = CONTENT_DISPOSITION_PATTERN.matcher(mpline);
                        if (matcher.matches()) {
                            String attributeString = matcher.group(2);
                            matcher = CONTENT_DISPOSITION_ATTRIBUTE_PATTERN.matcher(attributeString);
                            while (matcher.find()) {
                                String key = matcher.group(1);
                                if (key.equalsIgnoreCase("name")) {
                                    part_name = matcher.group(2);
                                } else if (key.equalsIgnoreCase("filename")) {
                                    file_name = matcher.group(2);
                                }
                            }
                        }
                        matcher = CONTENT_TYPE_PATTERN.matcher(mpline);
                        if (matcher.matches()) {
                            content_type = matcher.group(2).trim();
                        }
                        mpline = in.readLine();
                    }

                    // Read the part data
                    int part_header_len = len - (int) in.skip(MAX_HEADER_SIZE);
                    if (part_header_len >= len - 4) {
                        throw new ResponseException(Status.INTERNAL_ERROR, "Multipart header size exceeds MAX_HEADER_SIZE.");
                    }
                    int part_data_start = boundary_idxs[bi] + part_header_len;
                    int part_data_end = boundary_idxs[bi + 1] - 4;

                    fbuf.position(part_data_start);
                    if (content_type == null) {
                        // Read the part into a string
                        byte[] data_bytes = new byte[part_data_end - part_data_start];
                        fbuf.get(data_bytes);
                        parms.put(part_name, new String(data_bytes));
                    } else {
                        // Read it into a file
                        String path = saveTmpFile(fbuf, part_data_start, part_data_end - part_data_start);
                        if (!files.containsKey(part_name)) {
                            files.put(part_name, path);
                        } else {
                            int count = 2;
                            while (files.containsKey(part_name + count)) {
                                count++;
                            }
                            files.put(part_name + count, path);
                        }
                        parms.put(part_name, file_name);
                    }
                }
            } catch (ResponseException re) {
                throw re;
            } catch (Exception e) {
                throw new ResponseException(Status.INTERNAL_ERROR, e.toString());
            }
        }

        /**
         * Decodes parameters in percent-encoded URI-format ( e.g.
         * "name=Jack%20Daniels&pass=Single%20Malt" ) and adds them to given
         * Map. NOTE: this doesn't support multiple identical keys due to the
         * simplicity of Map.
         */
        private void decodeParms(String parms, Map<String, String> p) {
            if (parms == null) {
                this.queryParameterString = "";
                return;
            }

            this.queryParameterString = parms;
            StringTokenizer st = new StringTokenizer(parms, "&");
            while (st.hasMoreTokens()) {
                String e = st.nextToken();
                int sep = e.indexOf('=');
                if (sep >= 0) {
                    p.put(decodePercent(e.substring(0, sep)).trim(), decodePercent(e.substring(sep + 1)));
                } else {
                    p.put(decodePercent(e).trim(), "");
                }
            }
        }

        @Override
        public void execute() throws IOException {
            Response r = null;
            try {
                // Read the first 8192 bytes.
                // The full header should fit in here.
                // Apache's default header limit is 8KB.
                // Do NOT assume that a single read will get the entire header
                // at once!
                byte[] buf = new byte[HTTPSession.BUFSIZE];
                this.splitbyte = 0;
                this.rlen = 0;

                int read = -1;
                try {
                    read = this.inputStream.read(buf, 0, HTTPSession.BUFSIZE);
                } catch (Exception e) {
                    safeClose(this.inputStream);
                    safeClose(this.outputStream);
                    throw new SocketException("NanoHttpd Shutdown");
                }
                if (read == -1) {
                    // socket was been closed
                    safeClose(this.inputStream);
                    safeClose(this.outputStream);
                    throw new SocketException("NanoHttpd Shutdown");
                }
                while (read > 0) {
                    this.rlen += read;
                    this.splitbyte = findHeaderEnd(buf, this.rlen);
                    if (this.splitbyte > 0) {
                        break;
                    }
                    read = this.inputStream.read(buf, this.rlen, HTTPSession.BUFSIZE - this.rlen);
                }

                if (this.splitbyte < this.rlen) {
                    this.inputStream.unread(buf, this.splitbyte, this.rlen - this.splitbyte);
                }

                this.parms = new HashMap<String, String>();
                if (null == this.headers) {
                    this.headers = new HashMap<String, String>();
                } else {
                    this.headers.clear();
                }

                if (null != this.remoteIp) {
                    this.headers.put("remote-addr", this.remoteIp);
                    this.headers.put("http-client-ip", this.remoteIp);
                }

                // Create a BufferedReader for parsing the header.
                BufferedReader hin = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(buf, 0, this.rlen)));

                // Decode the header into parms and header java properties
                Map<String, String> pre = new HashMap<String, String>();
                decodeHeader(hin, pre, this.parms, this.headers);

                this.method = Method.lookup(pre.get("method"));
                if (this.method == null) {
                    throw new ResponseException(Status.BAD_REQUEST, "BAD REQUEST: Syntax error.");
                }

                this.uri = pre.get("uri");

                this.cookies = new CookieHandler(this.headers);

                String connection = this.headers.get("connection");
                boolean keepAlive = protocolVersion.equals("HTTP/1.1") && (connection == null || !connection.matches("(?i).*close.*"));

                // Ok, now do the serve()
                r = serve(this);
                if (r == null) {
                    throw new ResponseException(Status.INTERNAL_ERROR, "SERVER INTERNAL ERROR: Serve() returned a null response.");
                } else {
                    String acceptEncoding = this.headers.get("accept-encoding");
                    this.cookies.unloadQueue(r);
                    r.setRequestMethod(this.method);
                    r.setGzipEncoding(useGzipWhenAccepted(r) && acceptEncoding != null && acceptEncoding.contains("gzip"));
                    r.setKeepAlive(keepAlive);
                    r.send(this.outputStream);
                }
                if (!keepAlive || "close".equalsIgnoreCase(r.getHeader("connection"))) {
                    throw new SocketException("NanoHttpd Shutdown");
                }
            } catch (SocketException e) {
                // throw it out to close socket object (finalAccept)
                throw e;
            } catch (SocketTimeoutException ste) {
                // treat socket timeouts the same way we treat socket exceptions
                // i.e. close the stream & finalAccept object by throwing the
                // exception up the call stack.
                throw ste;
            } catch (IOException ioe) {
                Response resp = newFixedLengthResponse(Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
                resp.send(this.outputStream);
                safeClose(this.outputStream);
            } catch (ResponseException re) {
                Response resp = newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
                resp.send(this.outputStream);
                safeClose(this.outputStream);
            } finally {
                safeClose(r);
                this.tempFileManager.clear();
            }
        }

        /**
         * Find byte index separating header from body. It must be the last byte
         * of the first two sequential new lines.
         */
        private int findHeaderEnd(final byte[] buf, int rlen) {
            int splitbyte = 0;
            while (splitbyte + 3 < rlen) {
                if (buf[splitbyte] == '\r' && buf[splitbyte + 1] == '\n' && buf[splitbyte + 2] == '\r' && buf[splitbyte + 3] == '\n') {
                    return splitbyte + 4;
                }
                splitbyte++;
            }
            return 0;
        }

        /**
         * Find the byte positions where multipart boundaries start. This reads
         * a large block at a time and uses a temporary buffer to optimize
         * (memory mapped) file access.
         */
        private int[] getBoundaryPositions(ByteBuffer b, byte[] boundary) {
            int[] res = new int[0];
            if (b.remaining() < boundary.length) {
                return res;
            }

            int search_window_pos = 0;
            byte[] search_window = new byte[4 * 1024 + boundary.length];

            int first_fill = (b.remaining() < search_window.length) ? b.remaining() : search_window.length;
            b.get(search_window, 0, first_fill);
            int new_bytes = first_fill - boundary.length;

            do {
                // Search the search_window
                for (int j = 0; j < new_bytes; j++) {
                    for (int i = 0; i < boundary.length; i++) {
                        if (search_window[j + i] != boundary[i])
                            break;
                        if (i == boundary.length - 1) {
                            // Match found, add it to results
                            int[] new_res = new int[res.length + 1];
                            System.arraycopy(res, 0, new_res, 0, res.length);
                            new_res[res.length] = search_window_pos + j;
                            res = new_res;
                        }
                    }
                }
                search_window_pos += new_bytes;

                // Copy the end of the buffer to the start
                System.arraycopy(search_window, search_window.length - boundary.length, search_window, 0, boundary.length);

                // Refill search_window
                new_bytes = search_window.length - boundary.length;
                new_bytes = (b.remaining() < new_bytes) ? b.remaining() : new_bytes;
                b.get(search_window, boundary.length, new_bytes);
            } while (new_bytes > 0);
            return res;
        }

        @Override
        public CookieHandler getCookies() {
            return this.cookies;
        }

        @Override
        public final Map<String, String> getHeaders() {
            return this.headers;
        }

        @Override
        public final InputStream getInputStream() {
            return this.inputStream;
        }

        @Override
        public final Method getMethod() {
            return this.method;
        }

        @Override
        public final Map<String, String> getParms() {
            return this.parms;
        }

        @Override
        public String getQueryParameterString() {
            return this.queryParameterString;
        }

        private RandomAccessFile getTmpBucket() {
            try {
                TempFile tempFile = this.tempFileManager.createTempFile();
                return new RandomAccessFile(tempFile.getName(), "rw");
            } catch (Exception e) {
                throw new Error(e); // we won't recover, so throw an error
            }
        }

        @Override
        public final String getUri() {
            return this.uri;
        }

        @Override
        public void parseBody(Map<String, String> files) throws IOException, ResponseException {
            final int REQUEST_BUFFER_LEN = 512;
            final int MEMORY_STORE_LIMIT = 1024;
            RandomAccessFile randomAccessFile = null;
            try {
                long size;
                if (this.headers.containsKey("content-length")) {
                    size = Integer.parseInt(this.headers.get("content-length"));
                } else if (this.splitbyte < this.rlen) {
                    size = this.rlen - this.splitbyte;
                } else {
                    size = 0;
                }

                ByteArrayOutputStream baos = null;
                DataOutput request_data_output = null;

                // Store the request in memory or a file, depending on size
                if (size < MEMORY_STORE_LIMIT) {
                    baos = new ByteArrayOutputStream();
                    request_data_output = new DataOutputStream(baos);
                } else {
                    randomAccessFile = getTmpBucket();
                    request_data_output = randomAccessFile;
                }

                // Read all the body and write it to request_data_output
                byte[] buf = new byte[REQUEST_BUFFER_LEN];
                while (this.rlen >= 0 && size > 0) {
                    this.rlen = this.inputStream.read(buf, 0, (int) Math.min(size, REQUEST_BUFFER_LEN));
                    size -= this.rlen;
                    if (this.rlen > 0) {
                        request_data_output.write(buf, 0, this.rlen);
                    }
                }

                ByteBuffer fbuf = null;
                if (baos != null) {
                    fbuf = ByteBuffer.wrap(baos.toByteArray(), 0, baos.size());
                } else {
                    fbuf = randomAccessFile.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, randomAccessFile.length());
                    randomAccessFile.seek(0);
                }

                // If the method is POST, there may be parameters
                // in data section, too, read it:
                if (Method.POST.equals(this.method)) {
                    String contentType = "";
                    String contentTypeHeader = this.headers.get("content-type");

                    StringTokenizer st = null;
                    if (contentTypeHeader != null) {
                        st = new StringTokenizer(contentTypeHeader, ",; ");
                        if (st.hasMoreTokens()) {
                            contentType = st.nextToken();
                        }
                    }

                    if ("multipart/form-data".equalsIgnoreCase(contentType)) {
                        // Handle multipart/form-data
                        if (!st.hasMoreTokens()) {
                            throw new ResponseException(Status.BAD_REQUEST,
                                    "BAD REQUEST: Content type is multipart/form-data but boundary missing. Usage: GET /example/file.html");
                        }

                        String boundaryStartString = "boundary=";
                        int boundaryContentStart = contentTypeHeader.indexOf(boundaryStartString) + boundaryStartString.length();
                        String boundary = contentTypeHeader.substring(boundaryContentStart, contentTypeHeader.length());
                        if (boundary.startsWith("\"") && boundary.endsWith("\"")) {
                            boundary = boundary.substring(1, boundary.length() - 1);
                        }

                        decodeMultipartFormData(boundary, fbuf, this.parms, files);
                    } else {
                        byte[] postBytes = new byte[fbuf.remaining()];
                        fbuf.get(postBytes);
                        String postLine = new String(postBytes).trim();
                        // Handle application/x-www-form-urlencoded
                        if ("application/x-www-form-urlencoded".equalsIgnoreCase(contentType)) {
                            decodeParms(postLine, this.parms);
                        } else if (postLine.length() != 0) {
                            // Special case for raw POST data => create a
                            // special files entry "postData" with raw content
                            // data
                            files.put("postData", postLine);
                        }
                    }
                } else if (Method.PUT.equals(this.method)) {
                    files.put("content", saveTmpFile(fbuf, 0, fbuf.limit()));
                }
            } finally {
                safeClose(randomAccessFile);
            }
        }

        /**
         * Retrieves the content of a sent file and saves it to a temporary
         * file. The full path to the saved file is returned.
         */
        private String saveTmpFile(ByteBuffer b, int offset, int len) {
            String path = "";
            if (len > 0) {
                FileOutputStream fileOutputStream = null;
                try {
                    TempFile tempFile = this.tempFileManager.createTempFile();
                    ByteBuffer src = b.duplicate();
                    fileOutputStream = new FileOutputStream(tempFile.getName());
                    FileChannel dest = fileOutputStream.getChannel();
                    src.position(offset).limit(offset + len);
                    dest.write(src.slice());
                    path = tempFile.getName();
                } catch (Exception e) { // Catch exception if any
                    throw new Error(e); // we won't recover, so throw an error
                } finally {
                    safeClose(fileOutputStream);
                }
            }
            return path;
        }
    }

    /**
     * Handles one session, i.e. parses the HTTP request and returns the
     * response.
     */
    public interface IHTTPSession {

        void execute() throws IOException;

        CookieHandler getCookies();

        Map<String, String> getHeaders();

        InputStream getInputStream();

        Method getMethod();

        Map<String, String> getParms();

        String getQueryParameterString();

        /**
         * @return the path part of the URL.
         */
        String getUri();

        /**
         * Adds the files in the request body to the files map.
         * 
         * @param files
         *            map to modify
         */
        void parseBody(Map<String, String> files) throws IOException, ResponseException;
    }

    /**
     * HTTP Request methods, with the ability to decode a <code>String</code>
     * back to its enum value.
     */
    public enum Method {
        GET,
        PUT,
        POST,
        DELETE,
        HEAD,
        OPTIONS,
        TRACE,
        CONNECT,
        PATCH;

        static Method lookup(String method) {
            for (Method m : Method.values()) {
                if (m.toString().equalsIgnoreCase(method)) {
                    return m;
                }
            }
            return null;
        }
    }

    /**
     * HTTP response. Return one of these from serve().
     */
    public static class Response implements Closeable {


        /**
         * Output stream that will automatically send every write to the wrapped
         * OutputStream according to chunked transfer:
         * http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1
         */
        private static class ChunkedOutputStream extends FilterOutputStream {

            public ChunkedOutputStream(OutputStream out) {
                super(out);
            }

            @Override
            public void write(int b) throws IOException {
                byte[] data = {
                    (byte) b
                };
                write(data, 0, 1);
            }

            @Override
            public void write(byte[] b) throws IOException {
                write(b, 0, b.length);
            }

            @Override
            public void write(byte[] b, int off, int len) throws IOException {
                if (len == 0)
                    return;
                out.write(String.format("%x\r\n", len).getBytes());
                out.write(b, off, len);
                out.write("\r\n".getBytes());
            }

            public void finish() throws IOException {
                out.write("0\r\n\r\n".getBytes());
            }

        }

        /**
         * HTTP status code after processing, e.g. "200 OK", Status.OK
         */
        private IStatus status;

        /**
         * MIME type of content, e.g. "text/html"
         */
        private String mimeType;

        /**
         * Data of the response, may be null.
         */
        private InputStream data;

        private long contentLength;

        /**
         * Headers for the HTTP response. Use addHeader() to add lines.
         */
        private final Map<String, String> header = new HashMap<String, String>();

        /**
         * The request method that spawned this response.
         */
        private Method requestMethod;

        /**
         * Use chunkedTransfer
         */
        private boolean chunkedTransfer;

        private boolean encodeAsGzip;

        private boolean keepAlive;

        /**
         * Creates a fixed length response if totalBytes>=0, otherwise chunked.
         */
        protected Response(IStatus status, String mimeType, InputStream data, long totalBytes) {
            this.status = status;
            this.mimeType = mimeType;
            if (data == null) {
                this.data = new ByteArrayInputStream(new byte[0]);
                this.contentLength = 0L;
            } else {
                this.data = data;
                this.contentLength = totalBytes;
            }
            this.chunkedTransfer = this.contentLength < 0;
            keepAlive = true;
        }

        @Override
        public void close() throws IOException {
            if (this.data != null) {
                this.data.close();
            }
        }

        /**
         * Adds given line to the header.
         */
        public void addHeader(String name, String value) {
            this.header.put(name, value);
        }

        public InputStream getData() {
            return this.data;
        }

        public String getHeader(String name) {
            for (String headerName : header.keySet()) {
                if (headerName.equalsIgnoreCase(name)) {
                    return header.get(headerName);
                }
            }
            return null;
        }

        public String getMimeType() {
            return this.mimeType;
        }

        public Method getRequestMethod() {
            return this.requestMethod;
        }

        public IStatus getStatus() {
            return this.status;
        }

        public void setGzipEncoding(boolean encodeAsGzip) {
            this.encodeAsGzip = encodeAsGzip;
        }

        public void setKeepAlive(boolean useKeepAlive) {
            this.keepAlive = useKeepAlive;
        }

        private boolean headerAlreadySent(Map<String, String> header, String name) {
            boolean alreadySent = false;
            for (String headerName : header.keySet()) {
                alreadySent |= headerName.equalsIgnoreCase(name);
            }
            return alreadySent;
        }

        /**
         * Sends given response to the socket.
         */
        protected void send(OutputStream outputStream) {
            String mime = this.mimeType;
            SimpleDateFormat gmtFrmt = new SimpleDateFormat("E, d MMM yyyy HH:mm:ss 'GMT'", Locale.US);
            gmtFrmt.setTimeZone(TimeZone.getTimeZone("GMT"));

            try {
                if (this.status == null) {
                    throw new Error("sendResponse(): Status can't be null.");
                }
                PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8")), false);
                pw.print("HTTP/1.1 " + this.status.getDescription() + " \r\n");

                if (mime != null) {
                    pw.print("Content-Type: " + mime + "\r\n");
                }

                if (this.header == null || this.header.get("Date") == null) {
                    pw.print("Date: " + gmtFrmt.format(new Date()) + "\r\n");
                }

                if (this.header != null) {
                    for (String key : this.header.keySet()) {
                        String value = this.header.get(key);
                        pw.print(key + ": " + value + "\r\n");
                    }
                }

                if (!headerAlreadySent(header, "connection")) {
                    pw.print("Connection: " + (this.keepAlive ? "keep-alive" : "close") + "\r\n");
                }

                if (headerAlreadySent(this.header, "content-length")) {
                    encodeAsGzip = false;
                }

                if (encodeAsGzip) {
                    pw.print("Content-Encoding: gzip\r\n");
                    setChunkedTransfer(true);
                }

                long pending = this.data != null ? this.contentLength : 0;
                if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
                    pw.print("Transfer-Encoding: chunked\r\n");
                } else if (!encodeAsGzip) {
                    pending = sendContentLengthHeaderIfNotAlreadyPresent(pw, this.header, pending);
                }
                pw.print("\r\n");
                pw.flush();
                sendBodyWithCorrectTransferAndEncoding(outputStream, pending);
                outputStream.flush();
                safeClose(this.data);
            } catch (IOException ioe) {
                NanoHTTPD.LOG.log(Level.SEVERE, "Could not send response to the client", ioe);
            }
        }

        private void sendBodyWithCorrectTransferAndEncoding(OutputStream outputStream, long pending) throws IOException {
            if (this.requestMethod != Method.HEAD && this.chunkedTransfer) {
                ChunkedOutputStream chunkedOutputStream = new ChunkedOutputStream(outputStream);
                sendBodyWithCorrectEncoding(chunkedOutputStream, -1);
                chunkedOutputStream.finish();
            } else {
                sendBodyWithCorrectEncoding(outputStream, pending);
            }
        }

        private void sendBodyWithCorrectEncoding(OutputStream outputStream, long pending) throws IOException {
            if (encodeAsGzip) {
                GZIPOutputStream gzipOutputStream = new GZIPOutputStream(outputStream);
                sendBody(gzipOutputStream, -1);
                gzipOutputStream.finish();
            } else {
                sendBody(outputStream, pending);
            }
        }

        /**
         * Sends the body to the specified OutputStream. The pending parameter
         * limits the maximum amounts of bytes sent unless it is -1, in which
         * case everything is sent.
         * 
         * @param outputStream
         *            the OutputStream to send data to
         * @param pending
         *            -1 to send everything, otherwise sets a max limit to the
         *            number of bytes sent
         * @throws IOException
         *             if something goes wrong while sending the data.
         */
        private void sendBody(OutputStream outputStream, long pending) throws IOException {
            long BUFFER_SIZE = 16 * 1024;
            byte[] buff = new byte[(int) BUFFER_SIZE];
            boolean sendEverything = pending == -1;
            while (pending > 0 || sendEverything) {
                long bytesToRead = sendEverything ? BUFFER_SIZE : Math.min(pending, BUFFER_SIZE);
                int read = this.data.read(buff, 0, (int) bytesToRead);
                if (read <= 0) {
                    break;
                }
                outputStream.write(buff, 0, read);
                if (!sendEverything) {
                    pending -= read;
                }
            }
        }

        protected long sendContentLengthHeaderIfNotAlreadyPresent(PrintWriter pw, Map<String, String> header, long size) {
            for (String headerName : header.keySet()) {
                if (headerName.equalsIgnoreCase("content-length")) {
                    try {
                        return Long.parseLong(header.get(headerName));
                    } catch (NumberFormatException ex) {
                        return size;
                    }
                }
            }

            pw.print("Content-Length: " + size + "\r\n");
            return size;
        }

        public void setChunkedTransfer(boolean chunkedTransfer) {
            this.chunkedTransfer = chunkedTransfer;
        }

        public void setData(InputStream data) {
            this.data = data;
        }

        public void setMimeType(String mimeType) {
            this.mimeType = mimeType;
        }

        public void setRequestMethod(Method requestMethod) {
            this.requestMethod = requestMethod;
        }

        public void setStatus(IStatus status) {
            this.status = status;
        }
    }

    public static final class ResponseException extends Exception {

        private static final long serialVersionUID = 6569838532917408380L;

        private final Status status;

        public ResponseException(Status status, String message) {
            super(message);
            this.status = status;
        }

        public ResponseException(Status status, String message, Exception e) {
            super(message, e);
            this.status = status;
        }

        public Status getStatus() {
            return this.status;
        }
    }

    /**
     * The runnable that will be used for the main listening thread.
     */
    public class ServerRunnable implements Runnable {

        private final int timeout;

        private IOException bindException;

        private boolean hasBinded = false;

        private ServerRunnable(int timeout) {
            this.timeout = timeout;
        }

        @Override
        public void run() {
            try {
                myServerSocket.bind(hostname != null ? new InetSocketAddress(hostname, myPort) : new InetSocketAddress(myPort));
                hasBinded = true;
            } catch (IOException e) {
                this.bindException = e;
                return;
            }
            do {
                try {
                    final Socket finalAccept = NanoHTTPD.this.myServerSocket.accept();
                    if (this.timeout > 0) {
                        finalAccept.setSoTimeout(this.timeout);
                    }
                    final InputStream inputStream = wrapStuff("SocketInputStream", finalAccept.getInputStream(), finalAccept, NanoHTTPD.this.myServerSocket);
                    NanoHTTPD.this.asyncRunner.exec(createClientHandler(finalAccept, inputStream));
                } catch (IOException e) {
                    NanoHTTPD.LOG.log(Level.FINE, "Communication with the client broken", e);
                }
            } while (!NanoHTTPD.this.myServerSocket.isClosed());
        }
    }

    /**
     * A temp file.
     * <p/>
     * <p>
     * Temp files are responsible for managing the actual temporary storage and
     * cleaning themselves up when no longer needed.
     * </p>
     */
    public interface TempFile {

        void delete() throws Exception;

        String getName();

        OutputStream open() throws Exception;
    }

    /**
     * Temp file manager.
     * <p/>
     * <p>
     * Temp file managers are created 1-to-1 with incoming requests, to create
     * and cleanup temporary files created as a result of handling the request.
     * </p>
     */
    public interface TempFileManager {

        void clear();

        TempFile createTempFile() throws Exception;
    }

    /**
     * Factory to create temp file managers.
     */
    public interface TempFileManagerFactory {

        TempFileManager create();
    }

    /**
     * Maximum time to wait on Socket.getInputStream().read() (in milliseconds)
     * This is required as the Keep-Alive HTTP connections would otherwise block
     * the socket reading thread forever (or as long the browser is open).
     */
    public static final int SOCKET_READ_TIMEOUT = 5000;

    /**
     * Common MIME type for dynamic content: plain text
     */
    public static final String MIME_PLAINTEXT = "text/plain";

    /**
     * Common MIME type for dynamic content: html
     */
    public static final String MIME_HTML = "text/html";

    /**
     * Pseudo-Parameter to use to store the actual query string in the
     * parameters map for later re-processing.
     */
    private static final String QUERY_STRING_PARAMETER = "NanoHttpd.QUERY_STRING";

    /**
     * logger to log to.
     */
    private static final Logger LOG = Logger.getLogger(NanoHTTPD.class.getName());

    /**
     * Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and an
     * array of loaded KeyManagers. These objects must properly
     * loaded/initialized by the caller.
     */
    public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManager[] keyManagers) throws IOException {
        SSLServerSocketFactory res = null;
        try {
            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(loadedKeyStore);
            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(keyManagers, trustManagerFactory.getTrustManagers(), null);
            res = ctx.getServerSocketFactory();
        } catch (Exception e) {
            throw new IOException(e.getMessage());
        }
        return res;
    }

    /**
     * Creates an SSLSocketFactory for HTTPS. Pass a loaded KeyStore and a
     * loaded KeyManagerFactory. These objects must properly loaded/initialized
     * by the caller.
     */
    public static SSLServerSocketFactory makeSSLSocketFactory(KeyStore loadedKeyStore, KeyManagerFactory loadedKeyFactory) throws IOException {
        SSLServerSocketFactory res = null;
        try {
            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(loadedKeyStore);
            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(loadedKeyFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
            res = ctx.getServerSocketFactory();
        } catch (Exception e) {
            throw new IOException(e.getMessage());
        }
        return res;
    }

    /**
     * Creates an SSLSocketFactory for HTTPS. Pass a KeyStore resource with your
     * certificate and passphrase
     */
    public static SSLServerSocketFactory makeSSLSocketFactory(String keyAndTrustStoreClasspathPath, char[] passphrase) throws IOException {
        SSLServerSocketFactory res = null;
        try {
            KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
            InputStream keystoreStream = NanoHTTPD.class.getResourceAsStream(keyAndTrustStoreClasspathPath);
            keystore.load(keystoreStream, passphrase);
            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(keystore);
            KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
            keyManagerFactory.init(keystore, passphrase);
            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
            res = ctx.getServerSocketFactory();
        } catch (Exception e) {
            throw new IOException(e.getMessage());
        }
        return res;
    }

    private static final void safeClose(Object closeable) {
        try {
            if (closeable != null) {
                if (closeable instanceof Closeable) {
                    ((Closeable) closeable).close();
                } else if (closeable instanceof Socket) {
                    ((Socket) closeable).close();
                } else if (closeable instanceof ServerSocket) {
                    ((ServerSocket) closeable).close();
                } else {
                    throw new IllegalArgumentException("Unknown object to close");
                }
            }
        } catch (IOException e) {
            NanoHTTPD.LOG.log(Level.SEVERE, "Could not close", e);
        }
    }

    private final String hostname;

    private final int myPort;

    private ServerSocket myServerSocket;

    private SSLServerSocketFactory sslServerSocketFactory;

    private Thread myThread;

    /**
     * Pluggable strategy for asynchronously executing requests.
     */
    protected AsyncRunner asyncRunner;

    /**
     * Pluggable strategy for creating and cleaning up temporary files.
     */
    private TempFileManagerFactory tempFileManagerFactory;

    /**
     * Constructs an HTTP server on given port.
     */
    public NanoHTTPD(int port) {
        this(null, port);
    }

    // -------------------------------------------------------------------------------
    // //
    //
    // Threading Strategy.
    //
    // -------------------------------------------------------------------------------
    // //

    /**
     * Constructs an HTTP server on given hostname and port.
     */
    public NanoHTTPD(String hostname, int port) {
        this.hostname = hostname;
        this.myPort = port;
        setTempFileManagerFactory(new DefaultTempFileManagerFactory());
        setAsyncRunner(new DefaultAsyncRunner());
    }

    /**
     * Forcibly closes all connections that are open.
     */
    public synchronized void closeAllConnections() {
        stop();
    }

    /**
     * create a instance of the client handler, subclasses can return a subclass
     * of the ClientHandler.
     * 
     * @param finalAccept
     *            the socket the cleint is connected to
     * @param inputStream
     *            the input stream
     * @return the client handler
     */
    protected ClientHandler createClientHandler(final Socket finalAccept, final InputStream inputStream) {
        return new ClientHandler(inputStream, finalAccept);
    }

    /**
     * Instantiate the server runnable, can be overwritten by subclasses to
     * provide a subclass of the ServerRunnable.
     * 
     * @param timeout
     *            the socet timeout to use.
     * @return the server runnable.
     */
    protected ServerRunnable createServerRunnable(final int timeout) {
        return new ServerRunnable(timeout);
    }

    /**
     * Decode parameters from a URL, handing the case where a single parameter
     * name might have been supplied several times, by return lists of values.
     * In general these lists will contain a single element.
     * 
     * @param parms
     *            original <b>NanoHTTPD</b> parameters values, as passed to the
     *            <code>serve()</code> method.
     * @return a map of <code>String</code> (parameter name) to
     *         <code>List&lt;String&gt;</code> (a list of the values supplied).
     */
    protected Map<String, List<String>> decodeParameters(Map<String, String> parms) {
        return this.decodeParameters(parms.get(NanoHTTPD.QUERY_STRING_PARAMETER));
    }

    // -------------------------------------------------------------------------------
    // //

    /**
     * Decode parameters from a URL, handing the case where a single parameter
     * name might have been supplied several times, by return lists of values.
     * In general these lists will contain a single element.
     * 
     * @param queryString
     *            a query string pulled from the URL.
     * @return a map of <code>String</code> (parameter name) to
     *         <code>List&lt;String&gt;</code> (a list of the values supplied).
     */
    protected Map<String, List<String>> decodeParameters(String queryString) {
        Map<String, List<String>> parms = new HashMap<String, List<String>>();
        if (queryString != null) {
            StringTokenizer st = new StringTokenizer(queryString, "&");
            while (st.hasMoreTokens()) {
                String e = st.nextToken();
                int sep = e.indexOf('=');
                String propertyName = sep >= 0 ? decodePercent(e.substring(0, sep)).trim() : decodePercent(e).trim();
                if (!parms.containsKey(propertyName)) {
                    parms.put(propertyName, new ArrayList<String>());
                }
                String propertyValue = sep >= 0 ? decodePercent(e.substring(sep + 1)) : null;
                if (propertyValue != null) {
                    parms.get(propertyName).add(propertyValue);
                }
            }
        }
        return parms;
    }

    /**
     * Decode percent encoded <code>String</code> values.
     * 
     * @param str
     *            the percent encoded <code>String</code>
     * @return expanded form of the input, for example "foo%20bar" becomes
     *         "foo bar"
     */
    protected String decodePercent(String str) {
        String decoded = null;
        try {
            decoded = URLDecoder.decode(str, "UTF8");
        } catch (UnsupportedEncodingException ignored) {
            NanoHTTPD.LOG.log(Level.WARNING, "Encoding not supported, ignored", ignored);
        }
        return decoded;
    }

    /**
     * @return true if the gzip compression should be used if the client
     *         accespts it. Default this option is on for text content and off
     *         for everything else.
     */
    protected boolean useGzipWhenAccepted(Response r) {
        return r.getMimeType() != null && r.getMimeType().toLowerCase().contains("text/");
    }

    public final int getListeningPort() {
        return this.myServerSocket == null ? -1 : this.myServerSocket.getLocalPort();
    }

    public final boolean isAlive() {
        return wasStarted() && !this.myServerSocket.isClosed() && this.myThread.isAlive();
    }

    public void join() throws InterruptedException {
      myThread.join();
    }

    /**
     * Call before start() to serve over HTTPS instead of HTTP
     */
    public void makeSecure(SSLServerSocketFactory sslServerSocketFactory) {
        this.sslServerSocketFactory = sslServerSocketFactory;
    }

    /**
     * Create a response with unknown length (using HTTP 1.1 chunking).
     */
    public Response newChunkedResponse(IStatus status, String mimeType, InputStream data) {
        return new Response(status, mimeType, data, -1);
    }

    /**
     * Create a response with known length.
     */
    public static Response newFixedLengthResponse(IStatus status, String mimeType, InputStream data, long totalBytes) {
        return new Response(status, mimeType, data, totalBytes);
    }

    /**
     * Create a text response with known length.
     */
    public static Response newFixedLengthResponse(IStatus status, String mimeType, String txt) {
        if (txt == null) {
            return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(new byte[0]), 0);
        } else {
            byte[] bytes;
            try {
                bytes = txt.getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                NanoHTTPD.LOG.log(Level.SEVERE, "encoding problem, responding nothing", e);
                bytes = new byte[0];
            }
            return newFixedLengthResponse(status, mimeType, new ByteArrayInputStream(bytes), bytes.length);
        }
    }

    /**
     * Create a text response with known length.
     */
    public static Response newFixedLengthResponse(String msg) {
        return newFixedLengthResponse(Status.OK, NanoHTTPD.MIME_HTML, msg);
    }

    /**
     * Override this to customize the server.
     * <p/>
     * <p/>
     * (By default, this returns a 404 "Not Found" plain text error response.)
     * 
     * @param session
     *            The HTTP session
     * @return HTTP response, see class Response for details
     */
    public Response serve(IHTTPSession session) {
        currentSession.set(session);
        Map<String, String> files = new HashMap<String, String>();
        Method method = session.getMethod();
        if (Method.PUT.equals(method) || Method.POST.equals(method)) {
            try {
                session.parseBody(files);
            } catch (IOException ioe) {
                return newFixedLengthResponse(Status.INTERNAL_ERROR, NanoHTTPD.MIME_PLAINTEXT, "SERVER INTERNAL ERROR: IOException: " + ioe.getMessage());
            } catch (ResponseException re) {
                return newFixedLengthResponse(re.getStatus(), NanoHTTPD.MIME_PLAINTEXT, re.getMessage());
            }
        }

        Map<String, String> parms = session.getParms();
        parms.put(NanoHTTPD.QUERY_STRING_PARAMETER, session.getQueryParameterString());
        return serve(session.getUri(), method, session.getHeaders(), parms, files);
    }

    /**
     * Override this to customize the server.
     * <p/>
     * <p/>
     * (By default, this returns a 404 "Not Found" plain text error response.)
     * 
     * @param uri
     *            Percent-decoded URI without parameters, for example
     *            "/index.cgi"
     * @param method
     *            "GET", "POST" etc.
     * @param parms
     *            Parsed, percent decoded parameters from URI and, in case of
     *            POST, data.
     * @param headers
     *            Header entries, percent decoded
     * @return HTTP response, see class Response for details
     */
    @Deprecated
    public Response serve(String uri, Method method, Map<String, String> headers, Map<String, String> parms, Map<String, String> files) {
        return newFixedLengthResponse(Status.NOT_FOUND, NanoHTTPD.MIME_PLAINTEXT, "Not Found");
    }

    /**
     * Pluggable strategy for asynchronously executing requests.
     * 
     * @param asyncRunner
     *            new strategy for handling threads.
     */
    public void setAsyncRunner(AsyncRunner asyncRunner) {
        this.asyncRunner = asyncRunner;
    }

    /**
     * Pluggable strategy for creating and cleaning up temporary files.
     * 
     * @param tempFileManagerFactory
     *            new strategy for handling temp files.
     */
    public void setTempFileManagerFactory(TempFileManagerFactory tempFileManagerFactory) {
        this.tempFileManagerFactory = tempFileManagerFactory;
    }

    /**
     * Start the server.
     * 
     * @throws IOException
     *             if the socket is in use.
     */
    public void start() throws IOException {
        start(NanoHTTPD.SOCKET_READ_TIMEOUT);
    }

    /**
     * Start the server.
     * 
     * @param timeout
     *            timeout to use for socket connections.
     * @throws IOException
     *             if the socket is in use.
     */
    public void start(final int timeout) throws IOException {
        if (this.sslServerSocketFactory != null) {
            SSLServerSocket ss = (SSLServerSocket) this.sslServerSocketFactory.createServerSocket();
            ss.setNeedClientAuth(false);
            this.myServerSocket = ss;
        } else {
            this.myServerSocket = new ServerSocket();
        }
        this.myServerSocket.setReuseAddress(true);

        ServerRunnable serverRunnable = createServerRunnable(timeout);
        this.myThread = new Thread(serverRunnable);
        //this.myThread.setDaemon(true);
        this.myThread.setName("NanoHttpd Main Listener");
        this.myThread.start();
        while (!serverRunnable.hasBinded && serverRunnable.bindException == null) {
            try {
                Thread.sleep(10L);
            } catch (Throwable e) {
                // on android this may not be allowed, that's why we
                // catch throwable the wait should be very short because we are
                // just waiting for the bind of the socket
            }
        }
        if (serverRunnable.bindException != null) {
            throw serverRunnable.bindException;
        }
        
      System.out.println("HTTP server started (listening on port " + myPort + "!)");
      printMyIPs();
    }

    /**
     * Stop the server.
     */
    public void stop() {
        try {
            safeClose(this.myServerSocket);
            this.asyncRunner.closeAll();
            if (this.myThread != null) {
                this.myThread.join();
            }
        } catch (Exception e) {
            NanoHTTPD.LOG.log(Level.SEVERE, "Could not stop all connections", e);
        }
    }

    public final boolean wasStarted() {
        return this.myServerSocket != null && this.myThread != null;
    }
static void printMyIPs() {
String ip;
  try {
      Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
      while (interfaces.hasMoreElements()) {
          NetworkInterface iface = interfaces.nextElement();
          // filters out 127.0.0.1 and inactive interfaces
          if (iface.isLoopback() || !iface.isUp())
              continue;

          Enumeration<InetAddress> addresses = iface.getInetAddresses();
          while(addresses.hasMoreElements()) {
              InetAddress addr = addresses.nextElement();
              ip = addr.getHostAddress();
if (ip.startsWith("127.")) continue;
boolean local = addr.isSiteLocalAddress() || ip.startsWith("fe");
              System.out.println(iface.getDisplayName() + " " + ip + " " + (local ? "(private address)" : "(public address)"));
          }
      }
  } catch (Throwable e) {
      e.printStackTrace();
  }
} // printMyIPs

  static interface IStatus {
    String getDescription();
    int getRequestStatus();
  }
  
  /**
   * Some HTTP response status codes
   */
  static enum Status implements IStatus {
      SWITCH_PROTOCOL(101, "Switching Protocols"),
      OK(200, "OK"),
      CREATED(201, "Created"),
      ACCEPTED(202, "Accepted"),
      NO_CONTENT(204, "No Content"),
      PARTIAL_CONTENT(206, "Partial Content"),
      REDIRECT(301, "Moved Permanently"),
      NOT_MODIFIED(304, "Not Modified"),
      BAD_REQUEST(400, "Bad Request"),
      UNAUTHORIZED(401, "Unauthorized"),
      FORBIDDEN(403, "Forbidden"),
      NOT_FOUND(404, "Not Found"),
      METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
      REQUEST_TIMEOUT(408, "Request Timeout"),
      RANGE_NOT_SATISFIABLE(416, "Requested Range Not Satisfiable"),
      INTERNAL_ERROR(500, "Internal Server Error"),
      UNSUPPORTED_HTTP_VERSION(505, "HTTP Version Not Supported");
  
      private final int requestStatus;
  
      private final String description;
  
      Status(int requestStatus, String description) {
          this.requestStatus = requestStatus;
          this.description = description;
      }
  
      @Override
      public String getDescription() {
          return "" + this.requestStatus + " " + this.description;
      }
  
      @Override
      public int getRequestStatus() {
          return this.requestStatus;
      }
  }
}


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

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


// 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 boolean contains(A key) {
    return map.containsKey(key);
  }

  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();
  }

  Set<A> keySet() { // synonym for idiots
    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);
  }
  
  public void clear() {
    map.clear();
  }
  
  Map<A, Integer> asMap() {
    return cloneMap(map);
  }
}

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

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

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

static boolean contains(String s, String b) {
  return s != null && s.indexOf(b) >= 0;
}
static String fsi(String id) {
  return formatSnippetID(id);
}
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 void set(Object o, String field, Object value) {
  if (o instanceof Class) set((Class) o, field, value);
  else try {
    Field f = set_findField(o.getClass(), field);
    smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

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

static Field set_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static <A, B> Map<A, B> cloneMap(Map<A, B> map) {
  if (map == null) return litmap();
  // 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 new HashMap(map);
  }
}
static <A> void addAll(Collection<A> c, Collection<A> b) {
  c.addAll(b);
}

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

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

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

static String structure(Object o) {
  HashSet refd = new HashSet();
  return structure_2(structure_1(o, new structure_Data(refd)), refd);
}

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

static int structure_shareStringsLongerThan = 20;

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

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

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

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

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

    int n = Array.getLength(o);

    if (o instanceof boolean[]) {
      String hex = boolArrayToHex((boolean[]) o);
      int i = l(hex);
      while (i > 0 && hex.charAt(i-1) == '0' && hex.charAt(i-2) == '0') i -= 2;
      return "boolarray " + n + " " + quote(substring(hex, 0, i));
    }
    
    String atype = "array", sep = ", ";

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

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

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

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

// name currently not used, we only call a method called "wrap" in
// the main class with the to-wrapped object as first argument and
// a list of other parameters as second argument.
static <A> A wrapStuff(String name, A object, Object... args) {
  //ret or(object, (A) callOpt(mc(), "wrap" + name,
  //  toObjectArray(concatLists(litlist((O) object), toList(args)))));
  return or(object, (A) callOpt(mc(), "wrap",
    object, asList(args)));
}
  static File tempDir() {
    return makeTempDir();
  }


static String quoteCharacter(char c) {
  if (c == '\'') return "'\\''";
  if (c == '\\') return "'\\\\'";
  return "'" + c + "'";
}

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]);
}
// replacement for class JavaTok
// maybe incomplete, might want to add floating point numbers
// todo also: extended multi-line strings

static int javaTok_n, javaTok_elements;
static boolean javaTok_opt;

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

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

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

    if (n < nExisting && javaTok_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(quickSubstring(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  javaTok_elements += tok.size();
  return tok;
}

static List<String> javaTok(List<String> tok) {
  return javaTok(join(tok), tok);
}

static boolean javaTok_isCopyable(String t, String s, int i, int j) {
  return t.length() == j-i
    && s.regionMatches(i, t, 0, j-i); // << could be left out, but that's brave
}
// hmm, this shouldn't call functions really. That was just
// for coroutines.
static boolean isTrue(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  if (o == null) return false;
  return ((Boolean) callF(o)).booleanValue();
}

static boolean isTrue(Object pred, Object arg) {
  return booleanValue(callF(pred, arg));
}
static String boolArrayToHex(boolean[] a) {
  return bytesToHex(boolArrayToBytes(a));
}
static boolean isIdentifier(String s) {
  return isJavaIdentifier(s);
}
  public static String bytesToHex(byte[] bytes) {
    return bytesToHex(bytes, 0, bytes.length);
  }

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

static void swapElements(List l, int i, int j) {
  if (i == j) return;
  Object o = l.get(i);
  l.set(i, l.get(j));
  l.set(j, o);
}
static boolean isInteger(String s) {
  return s != null && Pattern.matches("\\-?\\d+", s);
}
static boolean isNonNegativeInteger(String s) {
  return s != null && Pattern.matches("\\d+", s);
}
static <A> A or(A a, A b) {
  return a != null ? a : b;
}
static int parseInt(String s) {
  return empty(s) ? 0 : Integer.parseInt(s);
}
  static File makeTempDir() {
    return (File) call(getJavaX(), "TempDirMaker_make");
  }


static byte[] boolArrayToBytes(boolean[] a) {
  byte[] b = new byte[(l(a)+7)/8];
  for (int i = 0; i < l(a); i++)
    if (a[i])
      b[i/8] |= 1 << (i & 7);
  return b;
}
static String quickSubstring(String s, int i, int j) {
  if (i == j) return "";
  return s.substring(i, j);
}
static boolean booleanValue(Object o) {
  return eq(true, o);
}


static boolean DynamicObject_loading;

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

static String struct(Object o) {
  return structure(o);
}
// firstDelay = delay
static java.util.Timer doEvery(int delay, Runnable r) {
  java.util.Timer timer = new java.util.Timer();
  timer.scheduleAtFixedRate(timerTask(r), delay, delay);
  return timer;
}

static <A> List<A> filterByDynamicType(Collection<A> c, String type) {
  List<A> l = new ArrayList<A>();
  for (A x : c)
    if (eq(dynamicClassName(x), type))
      l.add(x);
  return l;
}
static boolean isSubtypeOf(Class a, Class b) {
  return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
public static void copyFile(File src, File dest) { try {
 
  mkdirsForFile(dest);
  FileInputStream inputStream = new FileInputStream(src.getPath());
  FileOutputStream outputStream = new FileOutputStream(dest.getPath());
  try {
    copyStream(inputStream, outputStream);
    inputStream.close();
  } finally {
    outputStream.close();
  }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static <A> A firstOfType(Collection c, Class<A> type) {
  for (Object x : c)
    if (isInstanceX(type, x))
      return (A) x;
  return null;
}
static void save(String varName) {
  saveLocally(varName);
}

static void save(String progID, String varName) {
  saveLocally(progID, varName);
}
static Map synchroTreeMap() {
  return Collections.synchronizedMap(new TreeMap());
}

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); }}
static boolean hasType(Collection c, Class type) {
  for (Object x : c)
    if (isInstanceX(type, x))
      return true;
  return false;
}
static <A> ArrayList<A> ll(A... a) {
  return litlist(a);
}
static String formatInt(int i, int digits) {
  return padLeft(str(i), '0', digits);
}

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 boolean instanceOf(Object o, Class c) {
  if (c == null) return false;
  return c.isInstance(o);
}
static <A> List<A> filterByType(Collection c, Class<A> type) {
  List<A> l = new ArrayList<A>();
  for (Object x : c)
    if (isInstanceX(type, x))
      l.add((A) x);
  return l;
}
  /** writes safely (to temp file, then rename) */
  public static void saveTextFile(String fileName, String contents) throws IOException {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    File tempFile = new File(tempFileName);
    if (contents != null) {
      if (tempFile.exists()) try {
        String saveName = tempFileName + ".saved." + now();
        copyFile(tempFile, new File(saveName));
      } catch (Throwable e) { printStackTrace(e); }
      FileOutputStream fileOutputStream = new FileOutputStream(tempFile.getPath());
      OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
      PrintWriter printWriter = new PrintWriter(outputStreamWriter);
      printWriter.print(contents);
      printWriter.close();
    }
    
    if (file.exists() && !file.delete())
      throw new IOException("Can't delete " + fileName);

    if (contents != null)
      if (!tempFile.renameTo(file))
        throw new IOException("Can't rename " + tempFile + " to " + file);
  }
  
  public static void saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

static 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); }}

// too ambiguous - maybe need to fix some callers
/*static O nuObject(O realm, S className, O... args) {
  ret nuObject(_getClass(realm, className), args);
}*/

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

} catch (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 <A, B> Collection<B> values(Map<A, B> map) {
  return map.values();
}

static String exposeMethods(String s, List<String> methodNames) {
  return exposeMethods(s, toStringArray(methodNames)); // TODO: optimize
}

static String exposeMethods(String s, String... methodNames) {
  Matches m = new Matches();
  if (match("call *", s, m)) {
    List l;
    if (isIdentifier(m.unq(0)))
      l = ll(m.unq(0));
    else
      l = (List) unstructure(m.unq(0)); // we used to have safeUnstructure here
    String method = getString(l, 0);
    if (!contains(methodNames, method))
      throw fail("Method not allowed: " + method);
    return ok(structure(call(mc(), method, asObjectArray(subList(l, 1)))));
  } return null;
}
static String ymd() {
  return year() + formatInt(month(), 2) + formatInt(dayOfMonth(), 2);
}
static String shortClassName(Object o) {
  if (o == null) return null;
  Class c = o instanceof Class ? (Class) o : o.getClass();
  String name = c.getName();
  return substring(name, xIndexOf(name, '$')+1);
}
static void readLocally(String progID, String varNames) {
  readLocally2(mc(), progID, varNames);
}

static void readLocally(String varNames) {
  readLocally2(mc(), programID(), varNames);
}

static void readLocally2(Object obj, String varNames) {
  readLocally2(obj, programID(), varNames);
}

// read a string variable from standard storage
// does not overwrite variable contents if there is no file
static synchronized void readLocally2(Object obj, String progID, String varNames) {
  for (String variableName : codeTokensOnly(javaTok(varNames))) {
    File textFile = new File(programDir(progID), variableName + ".text");
    File structureFile = new File(programDir(progID), variableName + ".structure");
    
    String value = loadTextFile(textFile);
    if (value != null)
      set(main.class, variableName, value);
    else {
      value = loadTextFile(structureFile);
      if (value != null)
      readLocally_set(obj, variableName, unstructure(value));
    }
  }
}

static void readLocally_set(Object c, String varName, Object value) {
  Object oldValue = get(c, varName);
  if (oldValue instanceof List && !(oldValue instanceof ArrayList) && value != null) {
    // Assume it's a synchroList.
    value = synchroList((List) value);
  }
  set(c, varName, value);
}

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

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

static int hours() {
  return Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
}


static int year() {
  return Calendar.getInstance().get(Calendar.YEAR);
}
// returns l(s) if not found
static int xIndexOf(String s, String sub, int i) {
  if (s == null) return 0;
  i = s.indexOf(sub, min(i, l(s)));
  return i >= 0 ? i : l(s);
}

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

static int xIndexOf(String s, char c) {
  if (s == null) return 0;
  int i = s.indexOf(c);
  return i >= 0 ? i : l(s);
}
static int dayOfMonth() {
  return days();
}
static Object unstructure(String text) {
  return unstructure(text, false);
}

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

static int structure_internStringsLongerThan = 50;

// TODO: backrefs for hashmap{} etc
// classFinder: name -> class
static Object unstructure(String text, final boolean allDynamic,
  final Object classFinder) {
  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>();
    HashSet<String> concepts = new HashSet<String>();

    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("'")) {
        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("fl"))
        return parseFloat();
      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);
        boolean isInt = l == (int) l;
        if (debug)
          print("l=" + l + ", isInt: " + isInt);
        return isInt ? (Object) new Integer((int) l) : (Object) new Long(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;
      }
      
      Object o = parse_inner(refID);
      if (refID != 0)
        refs.put(refID, o);
      return o;
    }
    
    // everything that can be backreferenced
    Object parse_inner(int refID) {
      String t = tok.get(i);
      
      if (debug)
        print("parse_inner: " + quote(t));
        
      if (t.startsWith("\"")) {
        String s = internIfLongerThan(unquote(tok.get(i)), structure_internStringsLongerThan);
        i += 2;
        return s;
      }
      if (t.equals("hashset"))
        return parseHashSet();
      if (t.equals("treeset"))
        return parseTreeSet();
      if (eqOneOf(t, "hashmap", "hm"))
        return parseHashMap();
      if (t.equals("{"))
        return parseMap();
      if (t.equals("["))
        return parseList();
      if (t.equals("bitset"))
        return parseBitSet();
      if (t.equals("array") || t.equals("intarray"))
        return parseArray();
      if (t.equals("ba")) {
        String hex = unquote(tok.get(i+2));
        i += 4;
        return hexToBytes(hex);
      }
      if (t.equals("boolarray")) {
        int n = parseInt(tok.get(i+2));
        String hex = unquote(tok.get(i+4));
        i += 6;
        return boolArrayFromBytes(hexToBytes(hex), n);
      }
      if (t.equals("class"))
        return parseClass();
      if (t.equals("l"))
        return parseLisp();
      if (t.equals("null")) {
        i += 2; return null;
      }
      
      /* in dev.
      if (!allDynamic && t.equals("run")) {
        S snippetID = unquote(t.get(i+2));
        i += 4;
        run(
      }
      */
      
      boolean concept = eq(t, "c");
      if (concept) {
        consume("c");
        t = tok.get(i);
        assertTrue(isJavaIdentifier(t));
        concepts.add(t);
      }

      // any other class name
      if (isJavaIdentifier(t)) {
        // First, find class
        Class c;
        if (allDynamic) c = null;
        else if (classFinder != null)
          c = (Class) callF(classFinder, t);
        else
          c = findClass(t);
          
        // Second, check if it has an outer reference
        i += 2;
        boolean hasOuter = eq(get(tok, i), "(") && eq(get(tok, i+2), "this$1");
        
        DynamicObject dO = null;
        Object o = null;
        if (c != null)
          o = hasOuter ? nuStubInnerObject(c) : nuObject(c);
        else {
          if (concepts.contains(t) && (c = findClass("Concept")) != null)
            dO = (DynamicObject) nuObject(c);
          else
            dO = new DynamicObject();
          dO.className = t;
        }
        
        // Now, save in references list.
        
        if (refID != 0)
          refs.put(refID, o != null ? o : dO);
        
        // NOW parse the fields!
        
        Map<String, Object> fields = new TreeMap<String, Object>();
        if (i < tok.size() && tok.get(i).equals("(")) {
          consume("(");
          while (!tok.get(i).equals(")")) {
            String key = unquote(tok.get(i));
            i += 2;
            consume("=");
            Object value = parse();
            fields.put(key, value);
            if (tok.get(i).equals(",")) i += 2;
          }
          consume(")");
        }

        if (o != null)
          setOptAll(o, fields);
        else
          dO.fieldValues.putAll(fields);

        if (o != null)
          pcallOpt(o, "_doneLoading");
        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 parseBitSet() {
      consume("bitset");
      consume("{");
      BitSet bs = new BitSet();
      while (!tok.get(i).equals("}")) {
        bs.set((int) parse());
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("}");
      return bs;
    }
    
    Object parseList() {
      consume("[");
      List list = new ArrayList();
      while (!tok.get(i).equals("]")) {
        Object o = parse();
        if (debug)
          print("List element type: " + getClassName(o));
        list.add(o);
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("]");
      return list;
    }
    
    Object parseArray() {
      String type = tok.get(i);
      i += 2;
      consume("{");
      List list = new ArrayList();
      
      while (!tok.get(i).equals("}")) {
        list.add(parse());
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("}");
      if (type.equals("intarray"))
        return toIntArray(list);
      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 parseFloat() {
      consume("fl");
      String val;
      if (eq(tok.get(i), "(")) {
        consume("(");
        val = unquote(tok.get(i));
        i += 2;
        consume(")");
      } else {
        val = unquote(tok.get(i));
        i += 2;
      }
      return Float.parseFloat(val);
    }
    
    Object parseHashMap() {
      i += 2;
      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 <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 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 File programDir_mine; // set this to relocate program's data

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

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

static void saveLocally(String variableName) {
  saveLocally(programID(), variableName);
}

static void saveLocally(String progID, String variableName) {
  saveLocally2(mc(), progID, variableName);
}

static void saveLocally2(Object obj, String variableName) {
  saveLocally2(obj, programID(), variableName);
}

static synchronized void saveLocally2(Object obj, String progID, String variableName) {
  File textFile = new File(programDir(progID), variableName + ".text");
  File structureFile = new File(programDir(progID), variableName + ".structure");
  Object x = get(obj, variableName);
  
  if (x == null) {
    textFile.delete();
    structureFile.delete();
  } else if (x instanceof String) {
    saveTextFile(textFile, (String) x);
    structureFile.delete();
  } else {
    saveTextFile(structureFile, structure(x));
    textFile.delete();
  }
}
static int month() {
  return Calendar.getInstance().get(Calendar.MONTH)+1;
}
public static File mkdirsForFile(File file) {
  File dir = file.getParentFile();
  if (dir != null) // is null if file is in current dir
    dir.mkdirs();
  return file;
}

static Object[] asObjectArray(List l) {
  return toObjectArray(l);
}
static String padLeft(String s, char c, int n) {
  return rep(c, n-l(s)) + s;
}
static String getString(Map map, Object key) {
  return map == null ? null : (String) map.get(key);
}

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

static String getString(Object o, Object key) {
  if (o instanceof Map) return getString((Map) o, key);
  if (key instanceof String)
    return (String) getOpt(o, (String) key);
  throw fail("Not a string key: " + getClassName(key));
}
static String dynamicClassName(Object o) {
  if (o instanceof DynamicObject) return "main$" + ((DynamicObject) o).className;
  return className(o);
}
static void copyStream(InputStream in, OutputStream out) { try {
 
  byte[] buf = new byte[65536];
  while (true) {
    int n = in.read(buf);
    if (n <= 0) return;
    out.write(buf, 0, n);
  }

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
  static 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;
  }
static TimerTask timerTask(final Runnable r) {
  return new TimerTask() {
    public void run() {
      r.run();
    }
  };
}
static File getProgramDir() {
  return programDir();
}

static File getProgramDir(String snippetID) {
  return programDir(snippetID);
}
static String ok(Object o) {
  return format("ok *", o);
}


static byte[] hexToBytes(String s) {
  int n = l(s) / 2;
  byte[] bytes = new byte[n];
  for (int i = 0; i < n; i++)
    bytes[i] = (byte) parseHexByte(substring(s, i*2, i*2+2));
  return bytes;
}
static void pcallOpt(Object o, String method, Object... args) {
  try { /* pcall 1*/  callOpt(o, method, args); /* pcall 2 */ } catch (Throwable __e) { printStackTrace(__e); }
}
static Object newObject(Class c, Object... args) {
  return nuObject(c, args);
}

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

static int days() {
  return Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
}
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 void setOptAll(Object o, Map<String, Object> fields) {
  if (fields == null) return;
  for (String field : keys(fields))
    setOpt(o, field, fields.get(field));
}
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 <A> A nuStubInnerObject(Class<A> c) { try {
 
  Class outerType = getOuterClass(c);
  Constructor m = c.getDeclaredConstructor(outerType);
  m.setAccessible(true);
  return (A) m.newInstance(new Object[] {null});

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static boolean[] boolArrayFromBytes(byte[] a, int n) {
  boolean[] b = new boolean[n];
  int m = min(n, l(a)*8);
  for (int i = 0; i < m; i++)
    b[i] = (a[i/8] & 1 << (i & 7)) != 0;
  return b;
}
static String className(Object o) {
  return getClassName(o);
}
static void assertTrue(Object o) {
  assertEquals(true, o);
}
  
static boolean assertTrue(String msg, boolean b) {
  if (!b)
    throw fail(msg);
  return b;
}

static boolean assertTrue(boolean b) {
  if (!b)
    throw fail("oops");
  return b;
}
static boolean isLongConstant(String s) {
  if (!s.endsWith("L")) return false;
  s = s.substring(0, l(s)-1);
  return isInteger(s);
}
static String internIfLongerThan(String s, int l) {
  return s == null ? null : l(s) >= l ? s.intern() : s;
}
static boolean sameSnippetID(String a, String b) {
  return a != null && b != null && parseSnippetID(a) == parseSnippetID(b);
}
static int[] toIntArray(List<Integer> l) {
  int[] a = new int[l(l)];
  for (int i = 0; i < a.length; i++)
    a[i] = l.get(i);
  return a;
}
static boolean eqOneOf(Object o, Object... l) {
  for (Object x : l) if (eq(o, x)) return true; return false;
}
  static String format(String pat, Object... args) {
    return format3(pat, args);
  }

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 double parseDouble(String s) {
  return Double.parseDouble(s);
}
static Object[] toObjectArray(List list) {
  return list.toArray(new Object[list.size()]);
}


static Class getOuterClass(Class c) { try {
 
  String s = c.getName();
  int i = s.lastIndexOf('$');
  return Class.forName(substring(s, 0, i));

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static <A> A assertEquals(Object x, A y) {
  return assertEquals(null, x, y);
}

static <A> A assertEquals(String msg, Object x, A y) {
  if (!(x == null ? y == null : x.equals(y)))
    throw fail((msg != null ? msg + ": " : "") + structure(x) + " != " + structure(y));
  return y;
}
  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 int parseHexByte(String s) {
  return Integer.parseInt(s, 16);
}

}