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import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import java.text.SimpleDateFormat;
class main {
public static void main(final String[] args) throws Exception {
verboseGC();
setGCFrequency(5.0);
}
static void setGCFrequency(double seconds) {
if (!_inCore()) { call(javax(), "setGCFrequency", seconds); return; }
Lock _lock_2 = generalLock(); lock(_lock_2); try {
cancelTimer(regularGC_timer);
regularGC_timer = null;
regularGC_interval = regularGC_firstDelay = toInt(toMS(seconds));
regularGC();
} finally { unlock(_lock_2); } }
static Map _registerThread_threads = newWeakHashMap();
static Thread _registerThread(Thread t) {
_registerThread_threads.put(t, true);
return t;
}
static void _registerThread() { _registerThread(Thread.currentThread()); }
static void verboseGC() {
setOpt(getJavaX(), "timedGC_minPrint", 0);
}
static int regularGC_interval = 60000; // every minute
static int regularGC_firstDelay = 20000; // clean up 20 seconds after loading VM
static volatile java.util.Timer regularGC_timer;
static int regularGC_countdown = -1;
static synchronized void regularGC() {
if (!_inCore()) return; // Now doing it in core
if (regularGC_timer == null)
regularGC_timer = doEvery_daemon(regularGC_interval, regularGC_firstDelay, "regularGC_doIt");
}
static void regularGC_doIt() {
if (regularGC_countdown == 0) return;
else if (regularGC_countdown > 0) --regularGC_countdown;
timedGCPlusDeadlockSolving();
}
static Class __javax;
static Class getJavaX() {
return __javax;
}
static int toInt(Object o) {
if (o == null) return 0;
if (o instanceof Number)
return ((Number) o).intValue();
if (o instanceof String)
return parseInt((String) o);
throw fail("woot not int: " + getClassName(o));
}
static int toInt(long l) {
if (l != (int) l) throw fail("Too large for int: " + l);
return (int) l;
}
static void unlock(Lock lock, String msg) {
print("Unlocking: " + msg);
lock.unlock();
}
static void unlock(Lock lock) {
lock.unlock();
}
static boolean _inCore() {
return false;
}
static Map newWeakHashMap() {
return _registerWeakMap(synchroMap(new WeakHashMap()));
}
static Lock generalLock_instance = lock();
static Lock generalLock() {
return generalLock_instance;
}
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 invokeMethod(m, null, args);
} else {
Method m = call_findMethod(o, method, args, false);
m.setAccessible(true);
return invokeMethod(m, o, args);
}
} catch (Exception e) {
throw 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() & java.lang.reflect.Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug))
continue;
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName());
}
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 Field setOpt_findField(Class c, String field) {
HashMap map;
synchronized(getOpt_cache) {
map = getOpt_cache.get(c);
if (map == null)
map = getOpt_makeCache(c);
}
return map.get(field);
}
static void setOpt(Object o, String field, Object value) { try {
if (o == null) return;
Class c = o.getClass();
HashMap map;
synchronized(getOpt_cache) {
map = getOpt_cache.get(c);
if (map == null)
map = getOpt_makeCache(c);
}
if (map == getOpt_special) {
if (o instanceof Class) {
setOpt((Class) o, field, value);
return;
}
// It's probably a subclass of Map. Use raw method
setOpt_raw(o, field, value);
return;
}
Field f = map.get(field);
if (f != null)
smartSet(f, o, value); // possible improvement: skip setAccessible
} catch (Exception __e) { throw rethrow(__e); } }
static void setOpt(Class c, String field, Object value) {
if (c == null) return;
try {
Field f = setOpt_findStaticField(c, field);
if (f != null)
smartSet(f, null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field setOpt_findStaticField(Class> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static Class javax() {
return getJavaX();
}
static long toMS(double seconds) {
return (long) (seconds*1000);
}
static void lock(Lock lock) { try {
ping();
lock.lockInterruptibly();
ping();
} catch (Exception __e) { throw rethrow(__e); } }
static void lock(Lock lock, String msg) {
print("Locking: " + msg);
lock(lock);
}
static void lock(Lock lock, String msg, long timeout) {
print("Locking: " + msg);
lockOrFail(lock, timeout);
}
static ReentrantLock lock() {
return fairLock();
}
static void cancelTimer(javax.swing.Timer timer) {
if (timer != null) timer.stop();
}
static void cancelTimer(java.util.Timer timer) {
if (timer != null) timer.cancel();
}
static Map synchroMap() {
return synchroHashMap();
}
static Map synchroMap(Map map) {
return Collections.synchronizedMap(map);
}
static void lockOrFail(Lock lock, long timeout) { try {
ping();
if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
String s = "Couldn't acquire lock after " + timeout + " ms.";
if (lock instanceof ReentrantLock) {
ReentrantLock l = (ReentrantLock) ( lock);
s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
}
throw fail(s);
}
ping();
} catch (Exception __e) { throw rethrow(__e); } }
static volatile boolean ping_pauseAll;
static int ping_sleep = 100; // poll pauseAll flag every 100
static volatile boolean ping_anyActions;
static Map ping_actions = newWeakHashMap();
// always returns true
static boolean ping() {
if (ping_pauseAll || ping_anyActions ) ping_impl();
return true;
}
// returns true when it slept
static boolean ping_impl() { try {
if (ping_pauseAll && !isAWTThread()) {
do
Thread.sleep(ping_sleep);
while (ping_pauseAll);
return true;
}
if (ping_anyActions) {
Object action;
synchronized(ping_actions) {
action = ping_actions.get(currentThread());
if (action instanceof Runnable)
ping_actions.remove(currentThread());
if (ping_actions.isEmpty()) ping_anyActions = false;
}
if (action instanceof Runnable)
((Runnable) action).run();
else if (eq(action, "cancelled"))
throw fail("Thread cancelled.");
}
return false;
} catch (Exception __e) { throw rethrow(__e); } }
static Object callFunction(Object f, Object... args) {
return callF(f, args);
}
static void timedGCPlusDeadlockSolving() {
timedGC();
printDeadlocksAndSolve();
}
//static final Map> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init);
static class getOpt_Map extends WeakHashMap {
getOpt_Map() {
if (getOpt_special == null) getOpt_special = new HashMap();
clear();
}
public void clear() {
super.clear();
//print("getOpt clear");
put(Class.class, getOpt_special);
put(String.class, getOpt_special);
}
}
static final Map> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));
//static final Map> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map));
static HashMap getOpt_special; // just a marker
/*static void getOpt_special_init(Map map) {
map.put(Class.class, getOpt_special);
map.put(S.class, getOpt_special);
}*/
static Object getOpt_cached(Object o, String field) { try {
if (o == null) return null;
Class c = o.getClass();
HashMap map;
synchronized(getOpt_cache) {
map = getOpt_cache.get(c);
if (map == null)
map = getOpt_makeCache(c);
}
if (map == getOpt_special) {
if (o instanceof Class)
return getOpt((Class) o, field);
/*if (o instanceof S)
ret getOpt(getBot((S) o), field);*/
if (o instanceof Map)
return ((Map) o).get(field);
}
Field f = map.get(field);
if (f != null) return f.get(o);
return null;
} catch (Exception __e) { throw rethrow(__e); } }
// used internally - we are in synchronized block
static HashMap getOpt_makeCache(Class c) {
HashMap map;
if (isSubtypeOf(c, Map.class))
map = getOpt_special;
else {
map = new HashMap();
Class _c = c;
do {
for (Field f : _c.getDeclaredFields()) {
f.setAccessible(true);
String name = f.getName();
if (!map.containsKey(name))
map.put(name, f);
}
_c = _c.getSuperclass();
} while (_c != null);
}
getOpt_cache.put(c, map);
return map;
}
static void setOpt_raw(Object o, String field, Object value) { try {
if (o == null) return;
if (o instanceof Class) setOpt_raw((Class) o, field, value);
else {
Field f = setOpt_raw_findField(o.getClass(), field);
if (f != null)
smartSet(f, o, value);
}
} catch (Exception __e) { throw rethrow(__e); } }
static void setOpt_raw(Class c, String field, Object value) { try {
if (c == null) return;
Field f = setOpt_raw_findStaticField(c, field);
if (f != null)
smartSet(f, null, value);
} catch (Exception __e) { throw rethrow(__e); } }
static Field setOpt_raw_findStaticField(Class> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static Field setOpt_raw_findField(Class> c, String field) {
Class _c = c;
do {
for (Field f : _c.getDeclaredFields())
if (f.getName().equals(field))
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
// 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 RuntimeException rethrow(Throwable e) {
throw asRuntimeException(e);
}
static ReentrantLock fairLock() {
return new ReentrantLock(true);
}
// firstDelay = delay
static FixedRateTimer doEvery_daemon(long delay, final Object r) {
return doEvery_daemon(delay, delay, r);
}
static FixedRateTimer doEvery_daemon(long delay, long firstDelay, final Object r) {
FixedRateTimer timer = new FixedRateTimer(true);
timer.scheduleAtFixedRate(smartTimerTask(r, timer, delay), firstDelay, delay);
return timer;
}
static FixedRateTimer doEvery_daemon(double delaySeconds, final Object r) {
return doEvery_daemon(toMS(delaySeconds), r);
}
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();
try {
f.set(o, value);
} catch (Exception e) {
throw e;
}
}
static int parseInt(String s) {
return empty(s) ? 0 : Integer.parseInt(s);
}
static int parseInt(char c) {
return Integer.parseInt(str(c));
}
static RuntimeException fail() { throw new RuntimeException("fail"); }
static RuntimeException fail(Throwable e) { throw asRuntimeException(e); }
static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); }
static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); }
static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); }
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 Object print_byThread_lock = new Object();
static volatile ThreadLocal print_byThread; // special handling by thread - prefers F1
static void print() {
print("");
}
// slightly overblown signature to return original object...
static A print(A o) {
ping();
if (print_silent) return o;
String s = String.valueOf(o) + "\n";
print_noNewLine(s);
return o;
}
static void print_noNewLine(String s) {
if (print_byThread != null) {
Object f = print_byThread.get();
if (f != null)
if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s))) return;
}
print_raw(s);
}
static void print_raw(String s) {
s = fixNewLines(s);
// 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);
}
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 List _registerWeakMap_preList;
static A _registerWeakMap(A map) {
if (javax() == null) {
// We're in class init
if (_registerWeakMap_preList == null) _registerWeakMap_preList = synchroList();
_registerWeakMap_preList.add(map);
return map;
}
try {
call(javax(), "_registerWeakMap", map);
} catch (Throwable e) {
printException(e);
print("Upgrade JavaX!!");
}
return map;
}
static void _onLoad_registerWeakMap() {
assertNotNull(javax());
if (_registerWeakMap_preList == null) return;
for (Object o : _registerWeakMap_preList)
_registerWeakMap(o);
_registerWeakMap_preList = null;
}
static String getClassName(Object o) {
return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static Object invokeMethod(Method m, Object o, Object... args) { try {
try {
return m.invoke(o, args);
} catch (InvocationTargetException e) {
throw rethrow(getExceptionCause(e));
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
}
} catch (Exception __e) { throw rethrow(__e); } }
static Throwable getExceptionCause(Throwable e) {
Throwable c = e.getCause();
return c != null ? c : e;
}
static String joinWithSpace(Collection c) {
return join(" ", c);
}
static String joinWithSpace(String... c) {
return join(" ", c);
}
static WeakHashMap> callF_cache = new WeakHashMap();
static A callF(F0 f) {
return f == null ? null : f.get();
}
static B callF(F1 f, A a) {
return f == null ? null : f.get(a);
}
static Object callF(Object f, Object... args) { try {
if (f instanceof String)
return callMC((String) f, args);
if (f instanceof Runnable) {
((Runnable) f).run();
return null;
}
if (f == null) return null;
Class c = f.getClass();
ArrayList methods;
synchronized(callF_cache) {
methods = callF_cache.get(c);
if (methods == null)
methods = callF_makeCache(c);
}
int n = l(methods);
if (n == 0) throw fail("No get method in " + getClassName(c));
if (n == 1) return invokeMethod(methods.get(0), f, args);
for (int i = 0; i < n; i++) {
Method m = methods.get(i);
if (call_checkArgs(m, args, false))
return invokeMethod(m, f, args);
}
throw fail("No matching get method in " + getClassName(c));
} catch (Exception __e) { throw rethrow(__e); } }
// used internally
static ArrayList callF_makeCache(Class c) {
ArrayList l = new ArrayList();
Class _c = c;
do {
for (Method m : _c.getDeclaredMethods())
if (m.getName().equals("get")) {
m.setAccessible(true);
l.add(m);
}
if (!l.isEmpty()) break;
_c = _c.getSuperclass();
} while (_c != null);
callF_cache.put(c, l);
return l;
}
static List classNames(Collection l) {
return getClassNames(l);
}
static List classNames(Object[] l) {
return getClassNames(Arrays.asList(l));
}
static void put(Map map, A a, B b) {
if (map != null) map.put(a, b);
}
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(String s) { return s == null || s.length() == 0; }
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);
if (o == null) return true;
throw fail("unknown type for 'empty': " + getType(o));
}
static boolean empty(float[] a) { return a == null || a.length == 0; }
static boolean empty(int[] a) { return a == null || a.length == 0; }
static boolean empty(long[] a) { return a == null || a.length == 0; }
static RuntimeException asRuntimeException(Throwable t) {
if (t instanceof Error)
_handleError((Error) t);
return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static A assertNotNull(A a) {
assertTrue(a != null);
return a;
}
static A assertNotNull(String msg, A a) {
assertTrue(msg, a != null);
return a;
}
// TODO: test if android complains about this
static boolean isAWTThread() {
if (isAndroid()) return false;
if (isHeadless()) return false;
return isAWTThread_awt();
}
static boolean isAWTThread_awt() {
return SwingUtilities.isEventDispatchThread();
}
static Thread currentThread() {
return Thread.currentThread();
}
static void printException(Throwable e) {
printStackTrace(e);
}
static boolean isFalse(Object o) {
return eq(false, o);
}
static List printDeadlocksAndSolve() {
List l = printDeadlocks();
interruptDeadlockedThreads(l);
return l;
}
static boolean eq(Object a, Object b) {
return a == null ? b == null : a == b || a.equals(b);
}
// a little kludge for stuff like eq(symbol, "$X")
static boolean isSubtypeOf(Class a, Class b) {
return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
static String str(Object o) {
return o == null ? "null" : o.toString();
}
static String str(char[] c) {
return new String(c);
}
static List _registerDangerousWeakMap_preList;
static A _registerDangerousWeakMap(A map) {
return _registerDangerousWeakMap(map, null);
}
static A _registerDangerousWeakMap(A map, Object init) {
callF(init, map);
if (init instanceof String) {
final String f = (String) ( init);
init = new VF1() { void get(Map map) { try { callMC(f, map) ; } catch (Exception __e) { throw rethrow(__e); } }
public String toString() { return "callMC(f, map)"; }};
}
if (javax() == null) {
// We're in class init
if (_registerDangerousWeakMap_preList == null) _registerDangerousWeakMap_preList = synchroList();
_registerDangerousWeakMap_preList.add(pair(map, init));
return map;
}
try {
call(javax(), "_registerDangerousWeakMap", map, init);
} catch (Throwable e) { printException(e);
upgradeJavaXAndRestart();
}
return map;
}
static void _onLoad_registerDangerousWeakMap() {
assertNotNull(javax());
if (_registerDangerousWeakMap_preList == null) return;
for (Pair p : _registerDangerousWeakMap_preList)
_registerDangerousWeakMap(p.a, p.b);
_registerDangerousWeakMap_preList = null;
}
static String fixNewLines(String s) {
return s.replace("\r\n", "\n").replace("\r", "\n");
}
static List synchroList() {
return Collections.synchronizedList(new ArrayList ());
}
static List synchroList(List l) {
return Collections.synchronizedList(l);
}
// r may return false to cancel timer
static TimerTask smartTimerTask(Object r, java.util.Timer timer, long delay) {
return new SmartTimerTask(r, timer, delay);
}
static class SmartTimerTask extends TimerTask {
Object r;
java.util.Timer timer;
long delay;
SmartTimerTask() {}
SmartTimerTask(Object r, java.util.Timer timer, long delay) {
this.delay = delay;
this.timer = timer;
this.r = r;}
public String toString() { return "SmartTimerTask(" + r + ", " + timer + ", " + delay + ")"; }
long lastRun;
public void run() {
if (!licensed())
timer.cancel();
else {
lastRun = fixTimestamp(lastRun);
long now = now();
if (now >= lastRun + delay*0.9) {
lastRun = now;
if (eq(false, pcallF(r)))
timer.cancel();
}
}
}
}
static void clear(Collection c) {
if (c != null) c.clear();
}
static Object getOpt(Object o, String field) {
return getOpt_cached(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);
}
}
// access of static fields is not yet optimized
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() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
return null;
}
static Map synchroHashMap() {
return Collections.synchronizedMap(new HashMap());
}
static int timedGC_minPrint = 5000; // print notice to console when GC takes longer than these many ms
static void timedGC() {
long time = sysNow(), start = now();
gc_notTooOften();
done2_systemErr_minPrint = timedGC_minPrint;
done2_systemErr(time, "GC " + hmsWithColons(start));
}
static Boolean isHeadless_cache;
static boolean isHeadless() {
if (isHeadless_cache != null) return isHeadless_cache;
if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true;
// Also check if AWT actually works.
// If DISPLAY variable is set but no X server up, this will notice.
try {
SwingUtilities.isEventDispatchThread();
return isHeadless_cache = false;
} catch (Throwable e) { return isHeadless_cache = true; }
}
// TODO: send hard errors to core
static AtomicLong _handleError_nonVMErrors = new AtomicLong();
static AtomicLong _handleError_vmErrors = new AtomicLong();
static AtomicLong _handleError_outOfMemoryErrors = new AtomicLong();
static volatile long _handleError_lastOutOfMemoryError;
static volatile Error _handleError_lastHardError;
static void _handleError(Error e) {
if (!(e instanceof VirtualMachineError)) {
incAtomicLong(_handleError_nonVMErrors);
return;
}
print("\nHARD ERROR\n");
printStackTrace2(e);
print("\nHARD ERROR\n");
_handleError_lastHardError = e;
incAtomicLong(_handleError_vmErrors);
if (e instanceof OutOfMemoryError) {
incAtomicLong(_handleError_outOfMemoryErrors);
_handleError_lastOutOfMemoryError = sysNow();
}
}
static Object pcallF(Object f, Object... args) {
return pcallFunction(f, args);
}
static B pcallF(F1 f, A a) { try {
return f == null ? null : f.get(a);
} catch (Throwable __e) { return null; } }
static HashMap> callMC_cache = new HashMap();
static String callMC_key;
static Method callMC_value;
// varargs assignment fixer for a single string array argument
static Object callMC(String method, String[] arg) {
return callMC(method, new Object[] {arg});
}
static Object callMC(String method, Object... args) { try {
Method me;
if (callMC_cache == null) callMC_cache = new HashMap(); // initializer time workaround
synchronized(callMC_cache) {
me = method == callMC_key ? callMC_value : null;
}
if (me != null) try {
return invokeMethod(me, null, args);
} catch (IllegalArgumentException e) {
throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
}
List m;
synchronized(callMC_cache) {
m = callMC_cache.get(method);
}
if (m == null) {
if (callMC_cache.isEmpty()) {
callMC_makeCache();
m = callMC_cache.get(method);
}
if (m == null) throw fail("Method named " + method + " not found in main");
}
int n = m.size();
if (n == 1) {
me = m.get(0);
synchronized(callMC_cache) {
callMC_key = method;
callMC_value = me;
}
try {
return invokeMethod(me, null, args);
} catch (IllegalArgumentException e) {
throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
}
}
for (int i = 0; i < n; i++) {
me = m.get(i);
if (call_checkArgs(me, args, false))
return invokeMethod(me, null, args);
}
throw fail("No method called " + method + " with matching arguments found in main");
} catch (Exception __e) { throw rethrow(__e); } }
static void callMC_makeCache() {
synchronized(callMC_cache) {
callMC_cache.clear();
Class _c = (Class) mc(), c = _c;
while (c != null) {
for (Method m : c.getDeclaredMethods())
if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) {
m.setAccessible(true);
multiMapPut(callMC_cache, m.getName(), m);
}
c = c.getSuperclass();
}
}
}
public static String join(String glue, Iterable strings) {
if (strings == null) return "";
StringBuilder buf = new StringBuilder();
Iterator 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));
}
static String join(Iterable strings) {
return join("", strings);
}
static String join(Iterable strings, String glue) {
return join(glue, strings);
}
public static String join(String[] strings) {
return join("", strings);
}
static String join(String glue, Pair p) {
return p == null ? "" : str(p.a) + glue + str(p.b);
}
static volatile long gc_notTooOften_last;
static volatile long gc_notTooOften_interval = 1000;
static void gc_notTooOften() {
gc_notTooOften_last = fixTimestamp(gc_notTooOften_last);
if (now() >= gc_notTooOften_last + gc_notTooOften_interval) {
gc();
gc_notTooOften_last = now();
}
}
static Throwable printStackTrace(Throwable e) {
// we go to system.out now - system.err is nonsense
print(getStackTrace(e));
return e;
}
static void printStackTrace() {
printStackTrace(new Throwable());
}
static void printStackTrace(String msg) {
printStackTrace(new Throwable(msg));
}
/*static void printStackTrace(S indent, Throwable e) {
if (endsWithLetter(indent)) indent += " ";
printIndent(indent, getStackTrace(e));
}*/
static void upgradeJavaXAndRestart() {
run("#1001639");
restart();
sleep();
}
static String getType(Object o) {
return getClassName(o);
}
static long fixTimestamp(long timestamp) {
return timestamp > now() ? 0 : timestamp;
}
static volatile List printDeadlocks_lastDeadlock;
static List printDeadlocks() {
ThreadMXBean bean = ManagementFactory.getThreadMXBean();
long ids[] = bean.findDeadlockedThreads();
if (empty(ids)) return emptyList();
printAsciiHeading("DEADLOCKED THREADS!");
ThreadInfo threadInfo[] = bean.getThreadInfo(ids);
print(deadlockedThreadsToString(asList(threadInfo)));
return printDeadlocks_lastDeadlock = asList(threadInfo);
}
static long sysNow() {
return System.nanoTime()/1000000;
}
static void assertTrue(Object o) {
if (!(eq(o, true) /*|| isTrue(pcallF(o))*/))
throw fail(str(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 long now_virtualTime;
static long now() {
return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}
static int done2_systemErr_minPrint = 10;
static long done2_systemErr(long startTime, String desc) {
long time = sysNow()-startTime;
if (time >= done2_systemErr_minPrint)
System.err.println(desc + " [" + time + " ms]");
return time;
}
static long done2_systemErr(String desc, long startTime) {
return done2_systemErr(startTime, desc);
}
static long done2_systemErr(long startTime) {
return done2_systemErr(startTime, "");
}
static List getClassNames(Collection l) {
List out = new ArrayList();
if (l != null) for (Object o : l)
out.add(o == null ? null : getClassName(o));
return out;
}
static String hmsWithColons() {
return hmsWithColons(now());
}
static String hmsWithColons(long time) {
return new SimpleDateFormat("HH:mm:ss").format(time);
}
static volatile boolean licensed_yes = true;
static boolean licensed() {
ping();
return licensed_yes;
}
static void licensed_off() {
licensed_yes = false;
}
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 long l(File f) { return f == null ? 0 : f.length(); }
static int l(Object o) {
return o == null ? 0
: o instanceof String ? l((String) o)
: o instanceof Map ? l((Map) o)
: o instanceof Collection ? l((Collection) o)
: (int) call(o, "size");
}
static Pair pair(A a, B b) {
return new Pair(a, b);
}
static Pair pair(A a) {
return new Pair(a, a);
}
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 void interruptDeadlockedThreads(List lockingThreads) {
if (empty(lockingThreads)) return;
List threads = threadInfosToThreads(lockingThreads);
if (empty(threads)) return;
Thread t = random(threads);
print("Interrupting deadlocked thread " + quote(t.getName()) + " (out of " + l(lockingThreads) + ")");
t.interrupt();
}
static int isAndroid_flag;
static boolean isAndroid() {
if (isAndroid_flag == 0)
isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1;
return isAndroid_flag > 0;
}
static ArrayList asList(A[] a) {
return a == null ? new ArrayList () : new ArrayList (Arrays.asList(a));
}
static ArrayList asList(int[] a) {
ArrayList l = new ArrayList();
for (int i : a) l.add(i);
return l;
}
static ArrayList asList(Iterable s) {
if (s instanceof ArrayList) return (ArrayList) s;
ArrayList l = new ArrayList();
if (s != null)
for (A a : s)
l.add(a);
return l;
}
static ArrayList asList(Enumeration e) {
ArrayList l = new ArrayList();
if (e != null)
while (e.hasMoreElements())
l.add(e.nextElement());
return l;
}
static String quote(Object o) {
if (o == null) return "null";
return quote(str(o));
}
static String quote(String s) {
if (s == null) return "null";
StringBuilder out = new StringBuilder((int) (l(s)*1.5+2));
quote_impl(s, out);
return out.toString();
}
static void quote_impl(String s, StringBuilder out) {
out.append('"');
int l = s.length();
for (int i = 0; i < l; i++) {
char c = s.charAt(i);
if (c == '\\' || c == '"')
out.append('\\').append(c);
else if (c == '\r')
out.append("\\r");
else if (c == '\n')
out.append("\\n");
else
out.append(c);
}
out.append('"');
}
static String deadlockedThreadsToString(List threadInfo) {
List out = new ArrayList();
int i = 0;
Map map = threadInfosToThreads_map(threadInfo);
for (ThreadInfo threadInfo1 : threadInfo) {
out.add("Thread " + (++i) + "/" + l(threadInfo) + ": ID=" + threadInfo1.getThreadId()
+ ", name=" + quote(threadInfo1.getThreadName()));
out.add(" Trying to lock: " + threadInfo1.getLockName()
+ " which is owned by thread " + threadInfo1.getLockOwnerId()
+ " (" + quote(threadInfo1.getLockOwnerName()) + ")");
// ThreadInfo.getStackTrace() doesn't work, so we look up the thread.
Thread t = map.get(threadInfo1);
if (t != null) {
StackTraceElement[] st = t.getStackTrace();
out.add("Stack trace (" + l(st) + "): ");
out.add(indentx(stackTraceToString(st)));
}
}
return lines(out);
}
static volatile boolean sleep_noSleep;
static void sleep(long ms) {
ping();
if (ms < 0) return;
// allow spin locks
if (isAWTThread() && ms > 100) throw fail("Should not sleep on AWT thread");
try {
Thread.sleep(ms);
} catch (Exception e) { throw new RuntimeException(e); }
}
static void sleep() { try {
if (sleep_noSleep) throw fail("nosleep");
print("Sleeping.");
sleepQuietly();
} catch (Exception __e) { throw rethrow(__e); } }
static void incAtomicLong(AtomicLong l) {
l.incrementAndGet();
}
static void restart() {
Object j = getJavaX();
call(j, "cleanRestart", get(j, "fullArgs"));
}
static Object pcallFunction(Object f, Object... args) {
try { return callFunction(f, args); } catch (Throwable __e) { printStackTrace2(__e); }
return null;
}
static void printAsciiHeading(String text) {
print(asciiHeading2(text));
}
static Class run(String progID, String... args) {
Class main = hotwire(progID);
callMain(main, args);
return main;
}
static String getStackTrace(Throwable throwable) {
lastException(throwable);
return getStackTrace_noRecord(throwable);
}
static String getStackTrace_noRecord(Throwable throwable) {
StringWriter writer = new StringWriter();
throwable.printStackTrace(new PrintWriter(writer));
return hideCredentials(writer.toString());
}
static String getStackTrace() {
return getStackTrace_noRecord(new Throwable());
}
static Class mc() {
return main.class;
}
static void multiMapPut(Map > map, A a, B b) {
List l = map.get(a);
if (l == null)
map.put(a, l = new ArrayList());
l.add(b);
}
static Random random_random = new Random();
static int random(int n) {
return n <= 0 ? 0 : random_random.nextInt(n);
}
static double random(double max) {
return random()*max;
}
static double random() {
return random_random.nextInt(100001)/100000.0;
}
static double random(double min, double max) {
return min+random()*(max-min);
}
// min <= value < max
static int random(int min, int max) {
return min+random(max-min);
}
static A random(List l) {
return oneOf(l);
}
static A random(Collection c) {
if (c instanceof List) return random((List ) c);
int i = random(l(c));
return collectionGet(c, i);
}
static List emptyList() {
return new ArrayList();
//ret Collections.emptyList();
}
static List emptyList(int capacity) {
return new ArrayList(capacity);
}
// Try to match capacity
static List emptyList(Iterable l) {
return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
}
static volatile long gc_memoryUsedAfterGC;
static void gc() {
callOpt(javax(), "cleanWeakMaps");
System.gc();
gc_memoryUsedAfterGC = usedMemory();
}
static List threadInfosToThreads(List l) {
HashMap map = new HashMap();
for (Thread t : keys(Thread.getAllStackTraces()))
map.put(t.getId(), t);
List out = new ArrayList();
for (ThreadInfo t : l)
addIfNotNull(out, map.get(t.getThreadId()));
return out;
}
static Throwable printStackTrace2(Throwable e) {
// we go to system.out now - system.err is nonsense
print(getStackTrace2(e));
return e;
}
static void printStackTrace2() {
printStackTrace2(new Throwable());
}
static void printStackTrace2(String msg) {
printStackTrace2(new Throwable(msg));
}
/*static void printStackTrace2(S indent, Throwable e) {
if (endsWithLetter(indent)) indent += " ";
printIndent(indent, getStackTrace2(e));
}*/
static volatile Throwable lastException_lastException;
static Throwable lastException() {
return lastException_lastException;
}
static void lastException(Throwable e) {
lastException_lastException = e;
}
static String getStackTrace2(Throwable throwable) {
return hideCredentials(getStackTrace(throwable) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ",
hideCredentials(str(getInnerException(throwable)))) + "\n");
}
static long usedMemory() {
return Runtime.getRuntime().totalMemory()-Runtime.getRuntime().freeMemory();
}
static String stackTraceToString(StackTraceElement[] st) {
return lines(allToString(asList(st)));
}
// get purpose 1: access a list/array/map (safer version of x.get(y))
static A get(List l, int idx) {
return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
// seems to conflict with other signatures
/*static B get(Map map, A key) {
ret map != null ? map.get(key) : null;
}*/
static 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;
}
// 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);
}
} 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() & java.lang.reflect.Modifier.STATIC) != 0)
return f;
_c = _c.getSuperclass();
} while (_c != null);
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
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 String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); }
static String hideCredentials(String url) {
return url.replaceAll("([&?])_pass=[^&\\s\"]*", "$1_pass=");
}
static String hideCredentials(Object o) {
return hideCredentials(str(o));
}
static A callMain(A c, String... args) {
callOpt(c, "main", new Object[] {args});
return c;
}
static void callMain() {
callMain(mc());
}
static A oneOf(List l) {
return l.isEmpty() ? null : l.get(new Random().nextInt(l.size()));
}
static char oneOf(String s) {
return empty(s) ? '?' : s.charAt(random(l(s)));
}
static String oneOf(String... l) {
return oneOf(asList(l));
}
static String asciiHeading2(String title) {
return asciiHeading(title) + "\n";
}
static String indentx(String s) {
return indentx(indent_default, s);
}
static String indentx(int n, String s) {
return dropSuffix(repeat(' ', n), indent(n, s));
}
static String indentx(String indent, String s) {
return dropSuffix(indent, indent(indent, s));
}
static Map threadInfosToThreads_map(List l) {
HashMap map = new HashMap();
for (Thread t : keys(Thread.getAllStackTraces()))
map.put(t.getId(), t);
HashMap out = new HashMap();
for (ThreadInfo t : l)
mapPut(out, t, map.get(t.getThreadId()));
return out;
}
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 invokeMethod(m, null, args);
} else {
Method m = callOpt_findMethod(o, method, args, false);
if (m == null) return null;
m.setAccessible(true);
return invokeMethod(m, o, args);
}
} catch (Exception e) {
//fail(e.getMessage() + " | Method: " + method + ", receiver: " + className(o) + ", args: (" + join(", ", map(f className, args) + ")");
throw rethrow(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() & java.lang.reflect.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;
}
static Set keys(Map map) {
return map == null ? new HashSet() : map.keySet();
}
static Set keys(Object map) {
return keys((Map) map);
}
static A collectionGet(Collection c, int idx) {
if (c == null || idx < 0 || idx >= l(c)) return null;
if (c instanceof List) return listGet((List ) c, idx);
Iterator it = c.iterator();
for (int i = 0; i < idx; i++) if (it.hasNext()) it.next(); else return null;
return it.hasNext() ? it.next() : null;
}
static void addIfNotNull(Collection l, A a) {
if (a != null) l.add(a);
}
static Object sleepQuietly_monitor = new Object();
static void sleepQuietly() { try {
assertFalse(isAWTThread());
synchronized(sleepQuietly_monitor) { sleepQuietly_monitor.wait(); }
} catch (Exception __e) { throw rethrow(__e); } }
static String lines(Collection lines) { return fromLines(lines); }
static List lines(String s) { return toLines(s); }
static Class> hotwire(String src) {
assertFalse(_inCore());
Class j = getJavaX();
if (isAndroid()) {
synchronized(j) { // hopefully this goes well...
List libraries = new ArrayList();
File srcDir = (File) call(j, "transpileMain", src, libraries);
if (srcDir == null)
throw fail("transpileMain returned null (src=" + quote(src) + ")");
Object androidContext = get(j, "androidContext");
return (Class) call(j, "loadx2android", srcDir, src);
}
} else {
Class c = (Class) ( call(j, "hotwire", src));
hotwire_copyOver(c);
return c;
}
}
static A listGet(List l, int idx) {
return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
static String asciiHeading(String title) {
return "\n" + title + "\n" + rep(l(title), '-');
}
static String replacePrefix(String prefix, String replacement, String s) {
if (!startsWith(s, prefix)) return s;
return replacement + substring(s, l(prefix));
}
static IterableIterator toLines(File f) {
return linesFromFile(f);
}
static List toLines(String s) {
List lines = new ArrayList();
if (s == null) return lines;
int start = 0;
while (true) {
int i = toLines_nextLineBreak(s, start);
if (i < 0) {
if (s.length() > start) lines.add(s.substring(start));
break;
}
lines.add(s.substring(start, i));
if (s.charAt(i) == '\r' && i+1 < s.length() && s.charAt(i+1) == '\n')
i += 2;
else
++i;
start = i;
}
return lines;
}
static int toLines_nextLineBreak(String s, int start) {
for (int i = start; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '\r' || c == '\n')
return i;
}
return -1;
}
static List allToString(Collection c) {
List l = new ArrayList();
for (Object o : c) l.add(str(o));
return l;
}
static String[] allToString(Object[] c) {
String[] l = new String[l(c)];
for (int i = 0; i < l(c); i++) l[i] = str(c[i]);
return l;
}
static Throwable getInnerException(Throwable e) {
while (e.getCause() != null)
e = e.getCause();
return e;
}
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 void mapPut(Map map, A key, B value) {
if (map != null && key != null && value != null) map.put(key, value);
}
static int indent_default = 2;
static String indent(int indent) {
return repeat(' ', indent);
}
static String indent(int indent, String s) {
return indent(repeat(' ', indent), s);
}
static String indent(String indent, String s) {
return indent + s.replace("\n", "\n" + indent);
}
static String indent(String s) {
return indent(indent_default, s);
}
static List indent(String indent, List lines) {
List l = new ArrayList();
for (String s : lines)
l.add(indent + s);
return l;
}
static void assertFalse(Object o) {
if (!(eq(o, false) /*|| isFalse(pcallF(o))*/))
throw fail(str(o));
}
static boolean assertFalse(boolean b) {
if (b) throw fail("oops");
return b;
}
static boolean assertFalse(String msg, boolean b) {
if (b) throw fail(msg);
return b;
}
// usually L
static String fromLines(Collection lines) {
StringBuilder buf = new StringBuilder();
if (lines != null)
for (Object line : lines)
buf.append(str(line)).append('\n');
return buf.toString();
}
static String fromLines(String... lines) {
return fromLines(asList(lines));
}
static String repeat(char c, int n) {
n = Math.max(n, 0);
char[] chars = new char[n];
for (int i = 0; i < n; i++)
chars[i] = c;
return new String(chars);
}
static List repeat(A a, int n) {
n = Math.max(n, 0);
List l = new ArrayList(n);
for (int i = 0; i < n; i++)
l.add(a);
return l;
}
static List repeat(int n, A a) {
return repeat(a, n);
}
static String dropSuffix(String suffix, String s) {
return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static Object mainBot;
static Object getMainBot() {
return mainBot;
}
static ArrayList litlist(A... a) {
ArrayList l = new ArrayList(a.length);
for (A x : a) l.add(x);
return l;
}
static String rep(int n, char c) {
return repeat(c, n);
}
static String rep(char c, int n) {
return repeat(c, n);
}
static List rep(A a, int n) {
return repeat(a, n);
}
static List rep(int n, A a) {
return repeat(n, a);
}
static IterableIterator linesFromFile(File f) { try {
if (!f.exists()) return emptyIterableIterator();
if (ewic(f.getName(), ".gz"))
return linesFromReader(utf8bufferedReader(new GZIPInputStream(new FileInputStream(f))));
return linesFromReader(utf8bufferedReader(f));
} catch (Exception __e) { throw rethrow(__e); } }
static String substring(String s, int x) {
return substring(s, x, l(s));
}
static String substring(String s, int x, int y) {
if (s == null) return null;
if (x < 0) x = 0;
if (x >= s.length()) return "";
if (y < x) y = x;
if (y > s.length()) y = s.length();
return s.substring(x, y);
}
static boolean startsWith(String a, String b) {
return a != null && a.startsWith(b);
}
static boolean startsWith(String a, char c) {
return nempty(a) && a.charAt(0) == c;
}
static boolean startsWith(String a, String b, Matches m) {
if (!startsWith(a, b)) return false;
m.m = new String[] {substring(a, l(b))};
return true;
}
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 IterableIterator emptyIterableIterator_instance = new IterableIterator() {
public Object next() { throw fail(); }
public boolean hasNext() { return false; }
};
static IterableIterator emptyIterableIterator() {
return emptyIterableIterator_instance;
}
static boolean ewic(String a, String b) {
return endsWithIgnoreCase(a, b);
}
static boolean ewic(String a, String b, Matches m) {
return endsWithIgnoreCase(a, b, m);
}
static BufferedReader utf8bufferedReader(InputStream in) { try {
return new BufferedReader(new InputStreamReader(in, "UTF-8"));
} catch (Exception __e) { throw rethrow(__e); } }
static BufferedReader utf8bufferedReader(File f) { try {
return utf8bufferedReader(newFileInputStream(f));
} catch (Exception __e) { throw rethrow(__e); } }
static boolean neq(Object a, Object b) {
return !eq(a, b);
}
static IterableIterator linesFromReader(Reader r) {
final BufferedReader br = bufferedReader(r);
return iteratorFromFunction_f0(new F0() { String get() { try { return readLineFromReaderWithClose(br) ; } catch (Exception __e) { throw rethrow(__e); } }
public String toString() { return "readLineFromReaderWithClose(br)"; }});
}
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 FileInputStream newFileInputStream(File path) throws IOException {
return newFileInputStream(path.getPath());
}
static FileInputStream newFileInputStream(String path) throws IOException {
FileInputStream f = new // Line break for ancient translator
FileInputStream(path);
//callJavaX("registerIO", f, path, true);
return f;
}
static BufferedReader bufferedReader(Reader r) {
return r instanceof BufferedReader ? (BufferedReader) r : new BufferedReader(r);
}
static boolean endsWithIgnoreCase(String a, String b) {
int la = l(a), lb = l(b);
return la >= lb && regionMatchesIC(a, la-lb, b, 0, lb);
}
static boolean endsWithIgnoreCase(String a, String b, Matches m) {
if (!endsWithIgnoreCase(a, b)) return false;
m.m = new String[] { substring(a, 0, l(a)-l(b)) };
return true;
}
static String readLineFromReaderWithClose(BufferedReader r) { try {
String s = r.readLine();
if (s == null) r.close();
return s;
} catch (Exception __e) { throw rethrow(__e); } }
static IterableIterator iteratorFromFunction_f0(final F0 f) {
class IFF2 extends IterableIterator {
A a;
boolean done;
public boolean hasNext() {
getNext();
return !done;
}
public A next() {
getNext();
if (done) throw fail();
A _a = a;
a = null;
return _a;
}
void getNext() {
if (done || a != null) return;
a = f.get();
done = a == null;
}
};
return new IFF2();
}
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 boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
}
static abstract class VF1 {
abstract void get(A a);
}static class Matches {
String[] m;
Matches() {}
Matches(String... m) {
this.m = m;}
String get(int i) { return i < m.length ? m[i] : null; }
String unq(int i) { return unquote(get(i)); }
String fsi(int i) { return formatSnippetID(unq(i)); }
String fsi() { return fsi(0); }
String tlc(int i) { return unq(i).toLowerCase(); }
boolean bool(int i) { return "true".equals(unq(i)); }
String rest() { return m[m.length-1]; } // for matchStart
int psi(int i) { return Integer.parseInt(unq(i)); }
}
static abstract class F0 {
abstract A get();
}static abstract class F1 {
abstract B get(A a);
}// you still need to implement hasNext() and next()
static abstract class IterableIterator implements Iterator , Iterable {
public Iterator iterator() {
return this;
}
public void remove() {
unsupportedOperation();
}
}static class FixedRateTimer extends java.util.Timer {
FixedRateTimer() { this(false); }
FixedRateTimer(boolean daemon) {
super(daemon);
_registerTimer(this);
}
List entries = synchroList();
static class Entry {
TimerTask task;
long firstTime;
long period;
Entry() {}
Entry(TimerTask task, long firstTime, long period) {
this.period = period;
this.firstTime = firstTime;
this.task = task;}
public String toString() { return "Entry(" + task + ", " + firstTime + ", " + period + ")"; }}
// Note: not all methods overridden; only use these once
public void scheduleAtFixedRate(TimerTask task, long delay, long period) {
entries.add(new Entry(task, now()+delay, period));
super.scheduleAtFixedRate(task, delay, period);
}
public void cancel() {
entries.clear();
super.cancel();
}
public int purge() {
entries.clear();
return super.purge();
}
}static class Pair implements Comparable> {
A a;
B b;
Pair() {}
Pair(A a, B b) {
this.b = b;
this.a = a;}
public int hashCode() {
return hashCodeFor(a) + 2*hashCodeFor(b);
}
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof Pair)) return false;
Pair t = (Pair) o;
return eq(a, t.a) && eq(b, t.b);
}
public String toString() {
return "<" + a + ", " + b + ">";
}
public int compareTo(Pair p) {
if (p == null) return 1;
int i = ((Comparable ) a).compareTo(p.a);
if (i != 0) return i;
return ((Comparable) b).compareTo(p.b);
}
}
static Iterator iterator(Collection c) {
return c == null ? emptyIterator() : c.iterator();
}
static UnsupportedOperationException unsupportedOperation() {
throw new UnsupportedOperationException();
}
static String fsi(String id) {
return formatSnippetID(id);
}
static String formatSnippetID(String id) {
return "#" + parseSnippetID(id);
}
static String formatSnippetID(long id) {
return "#" + id;
}
static Set _registerTimer_list = newWeakHashSet();
static void _registerTimer(java.util.Timer timer) {
_registerTimer_list.add(timer);
}
static String unquote(String s) {
if (s == null) return null;
if (startsWith(s, '[')) {
int i = 1;
while (i < s.length() && s.charAt(i) == '=') ++i;
if (i < s.length() && s.charAt(i) == '[') {
String m = s.substring(1, i);
if (s.endsWith("]" + m + "]"))
return s.substring(i+1, s.length()-i-1);
}
}
if (s.length() > 1) {
char c = s.charAt(0);
if (c == '\"' || c == '\'') {
int l = endsWith(s, c) ? s.length()-1 : s.length();
StringBuilder sb = new StringBuilder(l-1);
for (int i = 1; i < l; i++) {
char ch = s.charAt(i);
if (ch == '\\') {
char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
// Octal escape?
if (nextChar >= '0' && nextChar <= '7') {
String code = "" + nextChar;
i++;
if ((i < l - 1) && s.charAt(i + 1) >= '0'
&& s.charAt(i + 1) <= '7') {
code += s.charAt(i + 1);
i++;
if ((i < l - 1) && s.charAt(i + 1) >= '0'
&& s.charAt(i + 1) <= '7') {
code += s.charAt(i + 1);
i++;
}
}
sb.append((char) Integer.parseInt(code, 8));
continue;
}
switch (nextChar) {
case '\"': ch = '\"'; break;
case '\\': ch = '\\'; break;
case 'b': ch = '\b'; break;
case 'f': ch = '\f'; break;
case 'n': ch = '\n'; break;
case 'r': ch = '\r'; break;
case 't': ch = '\t'; break;
case '\'': ch = '\''; break;
// Hex Unicode: u????
case 'u':
if (i >= l - 5) {
ch = 'u';
break;
}
int code = Integer.parseInt(
"" + s.charAt(i + 2) + s.charAt(i + 3)
+ s.charAt(i + 4) + s.charAt(i + 5), 16);
sb.append(Character.toChars(code));
i += 5;
continue;
default:
ch = nextChar; // added by Stefan
}
i++;
}
sb.append(ch);
}
return sb.toString();
}
}
return s; // not quoted - return original
}
static int hashCodeFor(Object a) {
return a == null ? 0 : a.hashCode();
}
static Set newWeakHashSet() {
return synchroWeakHashSet();
}
static boolean endsWith(String a, String b) {
return a != null && a.endsWith(b);
}
static boolean endsWith(String a, char c) {
return nempty(a) && lastChar(a) == c;
}
static boolean endsWith(String a, String b, Matches m) {
if (!endsWith(a, b)) return false;
m.m = new String[] {dropLast(l(b), a)};
return true;
}
static Iterator emptyIterator() {
return Collections.emptyIterator();
}
public static long parseSnippetID(String snippetID) {
long id = Long.parseLong(shortenSnippetID(snippetID));
if (id == 0) throw fail("0 is not a snippet ID");
return id;
}
static Set synchroWeakHashSet() {
return new WeakHashSet();
}
static String[] dropLast(String[] a, int n) {
n = Math.min(n, a.length);
String[] b = new String[a.length-n];
System.arraycopy(a, 0, b, 0, b.length);
return b;
}
static List dropLast(List l) {
return subList(l, 0, l(l)-1);
}
static List dropLast(int n, List l) {
return subList(l, 0, l(l)-n);
}
static List dropLast(Iterable l) {
return dropLast(asList(l));
}
static String dropLast(String s) {
return substring(s, 0, l(s)-1);
}
static String dropLast(String s, int n) {
return substring(s, 0, l(s)-n);
}
static String dropLast(int n, String s) {
return dropLast(s, n);
}
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 char lastChar(String s) {
return empty(s) ? '\0' : s.charAt(l(s)-1);
}
static List subList(List l, int startIndex) {
return subList(l, startIndex, l(l));
}
static List subList(List 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 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 int min(int a, int b) {
return Math.min(a, b);
}
static long min(long a, long b) {
return Math.min(a, b);
}
static float min(float a, float b) { return Math.min(a, b); }
static float min(float a, float b, float c) { return min(min(a, b), c); }
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 float min(float[] c) {
float x = Float.MAX_VALUE;
for (float 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 short min(short[] c) {
short x = 0x7FFF;
for (short d : c) if (d < x) x = d;
return x;
}
static int min(int[] c) {
int x = Integer.MAX_VALUE;
for (int d : c) if (d < x) x = d;
return x;
}
static int max(int a, int b) { return Math.max(a, b); }
static int max(int a, int b, int c) { return max(max(a, b), c); }
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 double max(double a, double b) { return Math.max(a, b); }
static int max(Collection 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 float max(float[] c) {
if (c.length == 0) return Float.MAX_VALUE;
float x = c[0];
for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
return x;
}
static byte max(byte[] c) {
byte x = -128;
for (byte d : c) if (d > x) x = d;
return x;
}
static short max(short[] c) {
short x = -0x8000;
for (short d : c) if (d > x) x = d;
return x;
}
static int max(int[] c) {
int x = Integer.MIN_VALUE;
for (int d : c) if (d > x) x = d;
return x;
}
static class WeakHashSet extends AbstractSet {
Map map = newWeakHashMap();
public int size() { return map.size(); }
public Iterator iterator() { return keys(map).iterator(); }
public boolean contains(Object o) { return map.containsKey(o); }
public boolean add(A a) {
return map.put(a, Boolean.TRUE) != null;
}
public boolean remove(Object o) { return map.remove(o) != null; }
Object mutex() { return collectionMutex(map); }
}
static Object collectionMutex(Object o) {
String c = className(o);
if (eq(c, "java.util.TreeMap$KeySet"))
c = className(o = getOpt(o, "m"));
else if (eq(c, "java.util.HashMap$KeySet"))
c = className(o = get_raw(o, "this$0"));
if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
c = className(o = get_raw(o, "m"));
if (o instanceof WeakHashSet)
c = className(o = ((WeakHashSet) o).mutex());
return o;
}
static String className(Object o) {
return getClassName(o);
}
static boolean eqOneOf(Object o, Object... l) {
for (Object x : l) if (eq(o, x)) return true; return false;
}
}