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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.*; class main { public static void main(final String[] args) throws Exception { long _startTime_0 = sysNow(); empBlast_verbose = true; List ips = printStruct(empBlast_port(7777)); for (String ip : ips) openPlatformBrowser("http://" + ip + ":7777"); done2("Blast!", _startTime_0); } static A printStruct(String prefix, A a) { printStructure(prefix, a); return a; } static A printStruct(A a) { printStructure(a); return a; } static List empBlast_port(int port) { return empBlast(rcurry("hasOpenPort", port)); } static long sysNow() { return System.nanoTime()/1000000; } static RuntimeException asRuntimeException(Throwable t) { return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static int done2_minPrint = 10; static long done2(long startTime, String desc) { return done2(startTime, desc, done2_minPrint); } static long done2(long startTime, String desc, int minPrint) { long time = sysNow()-startTime; saveTiming_noPrint(time); if (time >= minPrint) print(desc + " [" + time + " ms]"); return time; } static long done2(String desc, long startTime) { return done2(startTime, desc); } static long done2(long startTime) { return done2(startTime, ""); } static Map _registerThread_threads = Collections.synchronizedMap(new WeakHashMap()); static Thread _registerThread(Thread t) { _registerThread_threads.put(t, true); return t; } static void _registerThread() { _registerThread(Thread.currentThread()); } static void openPlatformBrowser(String url) { try { if (isHeadless()) return; Desktop.getDesktop().browse(uri(url)); print("Opening platform-specific browser on: " + url); } catch (Exception __e) { throw rethrow(__e); } } static RuntimeException rethrow(Throwable e) { throw asRuntimeException(e); } // We're hitting 255 machines in parallel :) // Returns list of found aware machines static boolean empBlast_verbose; static List empBlast() { return empBlast("isAware"); } static List empBlast(final Object checkPeer) { final List l = synchroList(); List threads = new ArrayList(); String ip = getMyIP(); int i = ip.lastIndexOf('.'); if (i < 0) return l; String net = substring(ip, 0, i+1); List myIPs = myIPs(); print("EMP-BLASTING " + net + "*"); for (int n = 1; n <= 255; n++) { final String peer = net + n; if (!myIPs.contains(peer)) { String msg = "Peer Scan " + peer; threads.add(startThread(msg, new Runnable() { public void run() { try { boolean yes = false; try { yes = isTrue(callF(checkPeer, peer)); if (yes) l.add(peer); } finally { if (empBlast_verbose) print(peer + ": " + (yes ? "Yes" : "No (or timeout)")); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "boolean yes = false;\r\n try {\r\n yes = isTrue(callF(checkPeer, ..."; }})); } } waitForThreads(threads); return l; } 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; } } static Object rcurry(final Object f, final Object arg) { int n = numberOfFunctionArguments(f); if (n == 0) throw fail("function takes no arguments"); if (n == 1) return new F0() { Object get() { return callF(f, arg); } }; if (n == 2) return new F1() { Object get(Object a) { return callF(f, a, arg); } }; throw todo("currying a function with " + n + "arguments"); } static URI uri(String uri) { try { return new URI(uri); } catch (Exception __e) { throw rethrow(__e); } } 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 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) { F1 f = print_byThread.get(); if (f != null) if (isFalse(f.get(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 ThreadLocal saveTiming_last = new ThreadLocal(); static void saveTiming(long ms) { print(ms + " ms"); saveTiming_noPrint(ms); } static void saveTiming_noPrint(long ms) { saveTiming_last.set(ms); } static int hasOpenPort_timeout = 5000; static boolean hasOpenPort(String ip, int port) { try { Socket socket = new Socket(); socket.connect(new InetSocketAddress(ip, port), hasOpenPort_timeout); socket.close(); return true; } catch (Exception ex) { return false; } } static void printStructure(String prefix, Object o) { if (endsWithLetter(prefix)) prefix += ": "; print(prefix + structureForUser(o)); } static void printStructure(Object o) { print(structureForUser(o)); } static String fixNewLines(String s) { return s.replace("\r\n", "\n").replace("\r", "\n"); } static volatile boolean ping_pauseAll; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions; static Map ping_actions = (Map) synchroMap(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 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 methods.get(0).invoke(f, args); for (int i = 0; i < n; i++) { Method m = methods.get(i); if (call_checkArgs(m, args, false)) return m.invoke(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 void waitForThreads(Collection threads) { try { for (Thread t : threads) t.join(); } catch (Exception __e) { throw rethrow(__e); } } static String getMyIP() { return myBestIP(); } 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 List synchroList() { return Collections.synchronizedList(new ArrayList()); } static List synchroList(List l) { return Collections.synchronizedList(l); } // 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); } if (o instanceof DynamicObject) return ((DynamicObject) o).fieldValues.get(field); } catch (Exception e) { throw asRuntimeException(e); } throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName()); } 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 structureForUser(Object o) { return beautifyStructure(struct_noStringSharing(o)); } static Thread startThread(Object runnable) { return startThread(defaultThreadName(), runnable); } static Thread startThread(String name, Object runnable) { return startThread(newThread(toRunnable(runnable), name)); } static Thread startThread(Thread t) { _registerThread(t); t.start(); return t; } static int numberOfFunctionArguments(Object f) { if (f instanceof F1) return 1; if (f instanceof String) return numberOfMethodArguments(mc(), (String) f); return numberOfMethodArguments(f, "get"); } static boolean endsWithLetter(String s) { return nempty(s) && isLetter(last(s)); } static boolean isAware(String ip) { try { return match("i am aware", sendToPublicCommBotSilently(ip, forward("Awareness", "are you aware"))); } catch (Throwable e) { //printShortException(e); return false; } } static boolean isFalse(Object o) { return eq(false, o); } static RuntimeException todo() { throw new RuntimeException("TODO"); } static RuntimeException todo(String msg) { throw new RuntimeException("TODO: " + msg); } static boolean isTrue(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); if (o == null) return false; throw fail(getClassName(o)); } 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 List myIPs() { return getMyIPs(); } static String struct_noStringSharing(Object o) { structure_Data d = new structure_Data(); d.noStringSharing = true; return structure(o, d); } static Runnable toRunnable(final Object o) { if (o instanceof Runnable) return (Runnable) o; return new Runnable() { public void run() { try { callF(o) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(o)"; }}; } static Map newWeakHashMap() { return _registerWeakMap(synchroMap(new WeakHashMap())); } static final 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; synchronized(callMC_cache) { me = method == callMC_key ? callMC_value : null; } if (me != null) return callMC_value.invoke(null, args); 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 me.invoke(null, args); } catch (IllegalArgumentException e) { throw new RuntimeException("Can't call " + method + " with " + l(args) + " argument(s)", e); } } for (int i = 0; i < n; i++) { me = m.get(i); if (call_checkArgs(me, args, false)) return me.invoke(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(); } } } static Class mc() { return main.class; } // 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 List getMyIPs() { try { TreeSet ips = new TreeSet(); Enumeration 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 addresses = iface.getInetAddresses(); while(addresses.hasMoreElements()) { InetAddress addr = addresses.nextElement(); String ip = addr.getHostAddress(); if (ip.startsWith("127.")) continue; ips.add(ip); } } return new ArrayList(ips); } catch (Exception __e) { throw rethrow(__e); } } static Thread currentThread() { return Thread.currentThread(); } static A last(List l) { return empty(l) ? null : l.get(l.size()-1); } static char last(String s) { return empty(s) ? '#' : s.charAt(l(s)-1); } static int last(int[] a) { return l(a) != 0 ? a[l(a)-1] : 0; } static Object last(Object[] a) { return l(a) != 0 ? a[l(a)-1] : null; } static String defaultThreadName_name; static String defaultThreadName() { if (defaultThreadName_name == null) defaultThreadName_name = "A thread by " + programID(); return defaultThreadName_name; } static boolean eq(Object a, Object b) { return a == null ? b == null : a == b || a.equals(b); } 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() & 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 String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } static Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } static String myBestIP() { return first(getMyIPs()); } static String beautifyStructure(String s) { return structure_addTokenMarkers(s); } // runnable = Runnable or String (method name) static Thread newThread(Object runnable) { return new Thread(_topLevelErrorHandling(toRunnable(runnable))); } static Thread newThread(Object runnable, String name) { return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name); } static boolean isLetter(char c) { return Character.isLetter(c); } static String sendToPublicCommBotSilently(String ip, String line, Object... args) { if (ip == null) return null; line = format3(line, args); DialogIO io = talkTo(ip, 4999); try { return io.ask(line); } finally { io.close(); } } static String forward(String bot, String msg, Object... args) { return format("please forward to bot *: *", bot, format(msg, args)); } static int numberOfMethodArguments(Object o, String method) { Class c; boolean mustBeStatic = false; if (o instanceof Class) { c = (Class) o; mustBeStatic = true; } else c = o.getClass(); Class _c = c; int n = -1; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (!m.getName().equals(method)) continue; if (mustBeStatic && !methodIsStatic(m)) continue; int nn = l(m.getParameterTypes()); if (n == -1) n = nn; else if (n != nn) throw fail("Variable number of method arguments: " + _c + "." + method); } c = c.getSuperclass(); } if (n == -1) throw fail("Method not found: " + _c + "." + method); return n; } 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 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 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 instanceof String ? l((String) o) : o instanceof Map ? l((Map) o) : l((Collection) o); // incomplete } 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 format3(String pat, Object... args) { if (args.length == 0) return pat; List 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 match3(String pat, String s) { return match3(pat, s, null); } static boolean match3(String pat, String s, Matches matches) { if (pat == null || s == null) return false; return match3(pat, parse3_cached(s), matches); } static boolean match3(String pat, List toks, Matches matches) { List tokpat = parse3(pat); return match3(tokpat,toks,matches); } static boolean match3(List tokpat, List toks, Matches matches) { String[] m = match2(tokpat, toks); //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m)); if (m == null) return false; if (matches != null) matches.m = m; return true; } static Object callFunction(Object f, Object... args) { return callF(f, args); } 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); 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 String structure_addTokenMarkers(String s) { List tok = javaTok(s); // find references TreeSet refs = new TreeSet(); for (int i = 1; i < l(tok); i += 2) { String t = tok.get(i); if (t.startsWith("t") && isInteger(t.substring(1))) refs.add(parseInt(t.substring(1))); } if (empty(refs)) return s; // add markers for (int i : refs) { int idx = i*2+1; String t = ""; if (endsWithLetterOrDigit(tok.get(idx-1))) t = " "; tok.set(idx, t + "m" + i + " " + tok.get(idx)); } return join(tok); } 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); } // 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 format(String pat, Object... args) { return format3(pat, args); } 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 DialogIO talkTo(int port) { return talkTo("localhost", port); } static int talkTo_defaultTimeout = 10000; // This is the CONNECT timeout static int talkTo_timeoutForReads = 0; // Timeout waiting for answers (0 = no timeout) static ThreadLocal> talkTo_byThread = new ThreadLocal(); static DialogIO talkTo(String ip, int port) { try { String full = ip + ":" + port; Map map = talkTo_byThread.get(); if (map != null && map.containsKey(full)) return map.get(full); if (isLocalhost(ip) && port == vmPort()) return talkToThisVM(); return new talkTo_IO(ip, port); } catch (Exception __e) { throw rethrow(__e); } } static class talkTo_IO extends DialogIO { String ip; int port; Socket s; Writer w; BufferedReader in; talkTo_IO(String ip, int port) { this.port = port; this.ip = ip; try { s = new Socket(); try { if (talkTo_timeoutForReads != 0) s.setSoTimeout(talkTo_timeoutForReads); s.connect(new InetSocketAddress(ip, port), talkTo_defaultTimeout); } catch (Throwable e) { throw fail("Tried talking to " + ip + ":" + port, e); } w = new OutputStreamWriter(s.getOutputStream(), "UTF-8"); in = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8")); } catch (Exception __e) { throw rethrow(__e); } } boolean isLocalConnection() { return s.getInetAddress().isLoopbackAddress(); } boolean isStillConnected() { return !(eos || s.isClosed()); } void sendLine(String line) { try { w.write(line + "\n"); w.flush(); } catch (Exception __e) { throw rethrow(__e); } } String readLineImpl() { try { return in.readLine(); } catch (Exception __e) { throw rethrow(__e); } } void close() { try { if (!noClose) s.close(); } catch (IOException e) { // whatever } } Socket getSocket() { return s; } } static boolean methodIsStatic(Method m) { return (m.getModifiers() & Modifier.STATIC) != 0; } static String programID() { return getProgramID(); } 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 structure_showTiming, structure_checkTokenCount; static String structure(Object o) { return structure(o, new structure_Data()); } static String structure(Object o, structure_Data d) { StringWriter sw = new StringWriter(); d.out = new PrintWriter(sw); structure_go(o, d); String s = str(sw); if (structure_checkTokenCount) { print("token count=" + d.n); assertEquals("token count", l(javaTokC(s)), d.n); } return s; } static void structure_go(Object o, structure_Data d) { structure_1(o, d); while (nempty(d.stack)) popLast(d.stack).run(); } static void structureToPrintWriter(Object o, PrintWriter out) { structure_Data d = new structure_Data(); d.out = out; structure_go(o, d); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static class structure_Data { PrintWriter out; int stringSizeLimit; int shareStringsLongerThan = 20; boolean noStringSharing; IdentityHashMap seen = new IdentityHashMap(); //new BitSet refd; HashMap strings = new HashMap(); HashSet concepts = new HashSet(); HashMap> fieldsByClass = new HashMap(); int n; // token count List stack = new ArrayList(); // append single token structure_Data append(String token) { out.print(token); ++n; return this; } structure_Data append(int i) { out.print(i); ++n; return this; } // append multiple tokens structure_Data append(String token, int tokCount) { out.print(token); n += tokCount; return this; } // extend last token structure_Data app(String token) { out.print(token); return this; } structure_Data app(int i) { out.print(i); return this; } } static void structure_1(final Object o, final structure_Data d) { if (o == null) { d.append("null"); return; } Class c = o.getClass(); boolean concept = false; List lFields = d.fieldsByClass.get(c); if (lFields == null) { // these are never back-referenced (for readability) if (o instanceof Number) { PrintWriter out = d.out; if (o instanceof Integer) { int i = ((Integer) o).intValue(); out.print(i); d.n += i < 0 ? 2 : 1; return; } if (o instanceof Long) { long l = ((Long) o).longValue(); out.print(l); out.print("L"); d.n += l < 0 ? 2 : 1; return; } if (o instanceof Float) { d.append("fl ", 2); quoteToPrintWriter(str(o), out); return; } if (o instanceof Double) { d.append("d(", 3); quoteToPrintWriter(str(o), out); d.append(")"); return; } if (o instanceof BigInteger) { out.print("bigint("); out.print(o); out.print(")"); d.n += ((BigInteger) o).signum() < 0 ? 5 : 4; return; } } if (o instanceof Boolean) { d.append(((Boolean) o).booleanValue() ? "t" : "f"); return; } if (o instanceof Character) { d.append(quoteCharacter((Character) o)); return; } if (o instanceof File) { d.append("File ").append(quote(((File) o).getPath())); return; } // referencable objects follow Integer ref = d.seen.get(o); if (o instanceof String && ref == null) ref = d.strings.get((String) o); if (ref != null) { /*d.refd.set(ref);*/ d.append("t").app(ref); return; } if (!(o instanceof String)) d.seen.put(o, d.n); // record token number else { String s = d.stringSizeLimit != 0 ? shorten((String) o, d.stringSizeLimit) : (String) o; if (!d.noStringSharing) { if (d.shareStringsLongerThan == Integer.MAX_VALUE) d.seen.put(o, d.n); if (l(s) >= d.shareStringsLongerThan) d.strings.put(s, d.n); } quoteToPrintWriter(s, d.out); d.n++; return; } if (o instanceof HashSet) { d.append("hashset "); structure_1(new ArrayList((Set) o), d); return; } if (o instanceof TreeSet) { d.append("treeset "); structure_1(new ArrayList((Set) o), d); return; } String name = c.getName(); if (o instanceof Collection && !startsWith(name, "main$") /* && neq(name, "main$Concept$RefL") */) { d.append("["); final int l = d.n; final Iterator it = ((Collection) o).iterator(); d.stack.add(new Runnable() { public void run() { try { if (!it.hasNext()) d.append("]"); else { d.stack.add(this); if (d.n != l) d.append(", "); structure_1(it.next(), d); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (!it.hasNext())\r\n d.append(\"]\");\r\n else {\r\n d.sta..."; }}); return; } if (o instanceof Map && !startsWith(name, "main$")) { if (o instanceof LinkedHashMap) d.append("lhm"); else if (o instanceof HashMap) d.append("hm"); d.append("{"); final int l = d.n; final Iterator it = ((Map) o).entrySet().iterator(); d.stack.add(new Runnable() { boolean v; Map.Entry e; public void run() { if (v) { d.append("="); v = false; d.stack.add(this); structure_1(e.getValue(), d); } else { if (!it.hasNext()) d.append("}"); else { e = (Map.Entry) it.next(); v = true; d.stack.add(this); if (d.n != l) d.append(", "); structure_1(e.getKey(), d); } } } }); return; } if (c.isArray()) { if (o instanceof byte[]) { d.append("ba ").append(quote(bytesToHex((byte[]) o))); return; } final int n = Array.getLength(o); if (o instanceof boolean[]) { String hex = boolArrayToHex((boolean[]) o); int i = l(hex); while (i > 0 && hex.charAt(i-1) == '0' && hex.charAt(i-2) == '0') i -= 2; d.append("boolarray ").append(n).app(" ").append(quote(substring(hex, 0, i))); return; } String atype = "array", sep = ", "; if (o instanceof int[]) { //ret "intarray " + quote(intArrayToHex((int[]) o)); atype = "intarray"; sep = " "; } d.append(atype).append("{"); d.stack.add(new Runnable() { int i; public void run() { if (i >= n) d.append("}"); else { d.stack.add(this); if (i > 0) d.append(", "); structure_1(Array.get(o, i++), d); } } }); return; } if (o instanceof Class) { d.append("class(", 2).append(quote(((Class) o).getName())).append(")"); return; } if (o instanceof Throwable) { d.append("exception(", 2).append(quote(((Throwable) o).getMessage())).append(")"); return; } if (o instanceof BitSet) { BitSet bs = (BitSet) o; d.append("bitset{", 2); int l = d.n; for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) { if (d.n != l) d.append(", "); d.append(i); } d.append("}"); return; } // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) { d.append("j ").append(quote(str(o))); return; // Hm. this is not unstructure-able } /*if (name.equals("main$Lisp")) { fail("lisp not supported right now"); }*/ String dynName = shortDynamicClassName(o); if (concept && !d.concepts.contains(dynName)) { d.concepts.add(dynName); d.append("c "); } // serialize an object with fields. // first, collect all fields and values in fv. TreeSet fields = new TreeSet(new Comparator() { public int compare(Field a, Field b) { return stdcompare(a.getName(), b.getName()); } }); Class cc = c; while (cc != Object.class) { for (Field field : getDeclaredFields_cached(cc)) { if ((field.getModifiers() & (java.lang.reflect.Modifier.STATIC | java.lang.reflect.Modifier.TRANSIENT)) != 0) continue; String fieldName = field.getName(); fields.add(field); // put special cases here... } cc = cc.getSuperclass(); } lFields = asList(fields); // Render this$1 first because unstructure needs it for constructor call. for (int i = 0; i < l(lFields); i++) { Field f = lFields.get(i); if (f.getName().equals("this$1")) { lFields.remove(i); lFields.add(0, f); break; } } d.fieldsByClass.put(c, lFields); } // << if (lFields == null) else { // ref handling for lFields != null Integer ref = d.seen.get(o); if (ref != null) { /*d.refd.set(ref);*/ d.append("t").app(ref); return; } d.seen.put(o, d.n); // record token number } LinkedHashMap fv = new LinkedHashMap(); for (Field f : lFields) { Object value; try { value = f.get(o); } catch (Exception e) { value = "?"; } if (value != null) fv.put(f.getName(), value); } String name = c.getName(); String shortName = dropPrefix("main$", name); // Now we have fields & values. Process fieldValues if it's a DynamicObject. // omit field "className" if equal to class's name if (concept && eq(fv.get("className"), shortName)) fv.remove("className"); if (o instanceof DynamicObject) { fv.putAll((Map) fv.get("fieldValues")); fv.remove("fieldValues"); shortName = shortDynamicClassName(o); fv.remove("className"); } String singleField = fv.size() == 1 ? first(fv.keySet()) : null; d.append(shortName); final int l = d.n; final Iterator it = fv.entrySet().iterator(); d.stack.add(new Runnable() { public void run() { try { if (!it.hasNext()) { if (d.n != l) d.append(")"); } else { Map.Entry e = (Map.Entry) it.next(); d.append(d.n == l ? "(" : ", "); d.append((String) e.getKey()).append("="); d.stack.add(this); structure_1(e.getValue(), d); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (!it.hasNext()) {\r\n if (d.n != l)\r\n d.append(\")\");\r\n } else..."; }}); } static Map synchroHashMap() { return Collections.synchronizedMap(new HashMap()); } static Runnable _topLevelErrorHandling(final Runnable runnable) { return new Runnable() { public void run() { try { try { runnable.run(); } catch (Throwable __e) { printStackTrace2(__e); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "pcall { runnable.run(); }"; }}; } 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 Object first(Object list) { return empty((List) list) ? null : ((List) list).get(0); } static A first(List list) { return empty(list) ? null : list.get(0); } static A first(A[] bla) { return bla == null || bla.length == 0 ? null : bla[0]; } static A first(Iterable i) { if (i == null) return null; Iterator it = i.iterator(); return it.hasNext() ? it.next() : null; } static Character first(String s) { return empty(s) ? null : s.charAt(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 int shorten_default = 100; static String shorten(String s) { return shorten(s, shorten_default); } static String shorten(String s, int max) { if (s == null) return ""; if (max < 0) return s; return s.length() <= max ? s : substring(s, 0, min(s.length(), max-3)) + "..."; } static String shorten(int max, String s) { return shorten(s, max); } static A assertNotNull(A a) { assertTrue(a != null); return a; } static A assertNotNull(String msg, A a) { assertTrue(msg, a != null); return a; } static String quoteCharacter(char c) { if (c == '\'') return "'\\''"; if (c == '\\') return "'\\\\'"; if (c == '\r') return "'\\r'"; if (c == '\n') return "'\\n'"; if (c == '\t') return "'\\t'"; return "'" + c + "'"; } public static String 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 shortDynamicClassName(Object o) { if (o instanceof DynamicObject && ((DynamicObject) o).className != null) return ((DynamicObject) o).className; return shortClassName(o); } static String dropPrefix(String prefix, String s) { return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s; } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static String getType(Object o) { return getClassName(o); } static String programID; static String getProgramID() { return nempty(programID) ? formatSnippetIDOpt(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)); } // 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 javaTok(String s) { return javaTok(s, null); } static List javaTok(String s, List existing) { ++javaTok_n; int nExisting = javaTok_opt && existing != null ? existing.size() : 0; ArrayList tok = existing != null ? new ArrayList(nExisting) : new ArrayList(); int l = s.length(); int i = 0, n = 0; while (i < l) { int j = i; char c, d; // scan for whitespace while (j < l) { c = s.charAt(j); d = j+1 >= l ? '\0' : s.charAt(j+1); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (c == '/' && d == '*') { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (c == '/' && d == '/') { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } if (n < nExisting && 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); d = i+1 >= l ? '\0' : s.charAt(i+1); // scan for non-whitespace // Special JavaX syntax: 'identifier if (c == '\'' && Character.isJavaIdentifierStart(d) && i+2 < l && "'\\".indexOf(s.charAt(i+2)) < 0) { j += 2; while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j; } else if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener /*|| s.charAt(j) == '\n'*/) { // allow multi-line strings ++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 (c == '[' && d == '[') { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); j = Math.min(j+3, l); } else ++j; if (n < nExisting && 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 javaTok(List 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 } static DialogIO talkToThisVM() { return new talkToThisVM_IO(); } static class talkToThisVM_IO extends DialogIO { List answers = ll(thisVMGreeting()); boolean isLocalConnection() { return true; } boolean isStillConnected() { return true; } int getPort() { return vmPort(); } void sendLine(String line) { answers.add(or2(sendToThisVM_newThread(line), "?")); } String readLineImpl() { try { return popFirst(answers); } catch (Exception __e) { throw rethrow(__e); } } void close() {} Socket getSocket() { return null; } } static List parse3(String s) { return dropPunctuation(javaTokPlusPeriod(s)); } static String parse3_cached_s; static List parse3_cached_l; static synchronized List parse3_cached(String s) { if (neq(s, parse3_cached_s)) parse3_cached_l = parse3(parse3_cached_s = s); return parse3_cached_l; } static int vmPort() { return myVMPort(); } static List javaTokC(String s) { if (s == null) return null; int l = s.length(); ArrayList tok = new ArrayList(); int i = 0; while (i < l) { int j = i; char c, d; // scan for whitespace while (j < l) { c = s.charAt(j); d = j+1 >= l ? '\0' : s.charAt(j+1); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (c == '/' && d == '*') { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (c == '/' && d == '/') { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } i = j; if (i >= l) break; c = s.charAt(i); d = i+1 >= l ? '\0' : s.charAt(i+1); // 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 (c == '[' && d == '[') { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); j = Math.min(j+3, l); } else ++j; tok.add(quickSubstring(s, i, j)); i = j; } return tok; } static A assertEquals(Object x, A y) { return assertEquals(null, x, y); } static A assertEquals(String msg, Object x, A y) { if (!(x == null ? y == null : x.equals(y))) throw fail((msg != null ? msg + ": " : "") + y + " != " + x); return y; } static HashMap getDeclaredFields_cache = new HashMap(); static Field[] getDeclaredFields_cached(Class c) { Field[] fields; synchronized(getDeclaredFields_cache) { fields = getDeclaredFields_cache.get(c); if (fields == null) { getDeclaredFields_cache.put(c, fields = c.getDeclaredFields()); for (Field f : fields) f.setAccessible(true); } } return fields; } static String boolArrayToHex(boolean[] a) { return bytesToHex(boolArrayToBytes(a)); } static boolean endsWithLetterOrDigit(String s) { return nempty(s) && isLetterOrDigit(lastCharacter(s)); } static boolean isIdentifier(String s) { return isJavaIdentifier(s); } // match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens) static String[] match2(List pat, List tok) { // standard case (no ...) int i = pat.indexOf("..."); if (i < 0) return match2_match(pat, tok); pat = new ArrayList(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 pat, List tok) { List result = new ArrayList(); if (pat.size() != tok.size()) { return null; } for (int i = 1; i < pat.size(); i += 2) { String p = pat.get(i), t = tok.get(i); if (eq(p, "*")) result.add(t); else if (!equalsIgnoreCase(unquote(p), unquote(t))) // bold change - match quoted and unquoted now return null; } return result.toArray(new String[result.size()]); } static Iterator emptyIterator() { return Collections.emptyIterator(); } 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 boolean isInteger(String s) { if (s == null) return false; int n = l(s); if (n == 0) return false; int i = 0; if (s.charAt(0) == '-') if (++i >= n) return false; while (i < n) { char c = s.charAt(i); if (c < '0' || c > '9') return false; ++i; } return true; } static Class javax() { return getJavaX(); } static void quoteToPrintWriter(String s, PrintWriter out) { if (s == null) { out.print("null"); return; } out.print('"'); int l = s.length(); for (int i = 0; i < l; i++) { char c = s.charAt(i); if (c == '\\' || c == '"') { out.print('\\'); out.print(c); } else if (c == '\r') out.print("\\r"); else if (c == '\n') out.print("\\n"); else out.print(c); } out.print('"'); } static boolean isNonNegativeInteger(String s) { return s != null && Pattern.matches("\\d+", s); } static void printException(Throwable e) { printStackTrace(e); } // This is made for NL parsing. // It's javaTok extended with "..." token, "$n" and "#n" and // special quotes (which are converted to normal ones). static List javaTokPlusPeriod(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\u201C' || c == '\u201D') c = '"'; // normalize quotes if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { char _c = s.charAt(j); if (_c == '\u201C' || _c == '\u201D') _c = '"'; // normalize quotes if (_c == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } if (j-1 >= i+1) { tok.add(opener + s.substring(i+1, j-1) + opener); i = j; continue; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for things like "this one's" else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (cc.equals("[=") && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); j = Math.min(j+3, l); } else if (s.substring(j, Math.min(j+3, l)).equals("...")) j += 3; else if (c == '$' || c == '#') do ++j; while (j < l && Character.isDigit(s.charAt(j))); else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static int parseInt(String s) { return empty(s) ? 0 : Integer.parseInt(s); } static int parseInt(char c) { return Integer.parseInt(str(c)); } static A popLast(List l) { return liftLast(l); } 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 boolean isLocalhost(String ip) { return isLoopbackIP(ip) || eqic(ip, "localhost"); } static int stdcompare(Number a, Number b) { return cmp(a, b); } static int stdcompare(String a, String b) { return cmp(a, b); } static int stdcompare(long a, long b) { return a < b ? -1 : a > b ? 1 : 0; } static int stdcompare(Object a, Object b) { return cmp(a, b); } 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 boolean equalsIgnoreCase(String a, String b) { return a == null ? b == null : a.equalsIgnoreCase(b); } static boolean equalsIgnoreCase(char a, char b) { if (a == b) return true; char u1 = Character.toUpperCase(a); char u2 = Character.toUpperCase(b); if (u1 == u2) return true; return Character.toLowerCase(u1) == Character.toLowerCase(u2); } static String getStackTrace2(Throwable throwable) { return hideCredentials(getStackTrace(throwable) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(getInnerException(throwable)))) + "\n"); } 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 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 String sendToThisVM_newThread(String s, Object... args) { final String _s = format(s, args); try { return (String) evalInNewThread(new Object() { Object get() { try { return callStaticAnswerMethod(getJavaX(), _s) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callStaticAnswerMethod(getJavaX(), _s)"; }}); } catch (Throwable e) { e = getInnerException(e); printStackTrace(e); return str(e); } } static String quickSubstring(String s, int i, int j) { if (i == j) return ""; return s.substring(i, j); } static boolean isJavaIdentifier(String s) { if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0))) return false; for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i))) return false; return true; } static A liftLast(List l) { if (l.isEmpty()) return null; int i = l(l)-1; A a = l.get(i); l.remove(i); return a; } static int cmp(Number a, Number b) { return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue()); } static int cmp(double a, double b) { return a < b ? -1 : a == b ? 0 : 1; } static int cmp(String a, String b) { return a == null ? b == null ? 0 : -1 : a.compareTo(b); } static int cmp(Object a, Object b) { if (a == null) return b == null ? 0 : -1; if (b == null) return 1; return ((Comparable) a).compareTo(b); } static int myVMPort() { List records = (List) ( get(getJavaX(), "record_list")); Object android = records.get(records.size()-1); return (Integer) get(android, "port"); } 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 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 A popFirst(List l) { if (empty(l)) return null; A a = first(l); l.remove(0); return a; } static Class getMainClass() { return main.class; } static Class getMainClass(Object o) { try { return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main"); } catch (Exception __e) { throw rethrow(__e); } } static Class __javax; static Class getJavaX() { return __javax; } static char lastCharacter(String s) { return empty(s) ? 0 : s.charAt(l(s)-1); } static List ll(A... a) { return litlist(a); } static String thisVMGreeting() { List record_list = (List) ( get(getJavaX(), "record_list")); Object android = first(record_list); // Should be of class Android3 return getString(android, "greeting"); } static boolean isLoopbackIP(String ip) { return eq(ip, "127.0.0.1"); } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static boolean neq(Object a, Object b) { return !eq(a, b); } static String or2(String a, String b) { return nempty(a) ? a : b; } static boolean isLetterOrDigit(char c) { return Character.isLetterOrDigit(c); } static String shortClassName(Object o) { if (o == null) return null; Class c = o instanceof Class ? (Class) o : o.getClass(); String name = c.getName(); return shortenClassName(name); } static String formatSnippetIDOpt(String s) { return isSnippetID(s) ? formatSnippetID(s) : s; } 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 List dropPunctuation_keep = litlist("*", "<", ">"); static List dropPunctuation(List tok) { tok = new ArrayList(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 boolean eqic(String a, String b) { if ((a == null) != (b == null)) return false; if (a == null) return true; return a.equalsIgnoreCase(b); } 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 String replacePrefix(String prefix, String replacement, String s) { if (!startsWith(s, prefix)) return s; return replacement + substring(s, l(prefix)); } static String shortenClassName(String name) { if (name == null) return null; int i = lastIndexOf(name, "$"); if (i < 0) i = lastIndexOf(name, "."); return i < 0 ? name : substring(name, i+1); } 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; } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } static ArrayList litlist(A... a) { return new ArrayList(Arrays.asList(a)); } 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 Throwable getInnerException(Throwable e) { while (e.getCause() != null) e = e.getCause(); return e; } static String getStackTrace(Throwable throwable) { lastException(throwable); StringWriter writer = new StringWriter(); throwable.printStackTrace(new PrintWriter(writer)); return hideCredentials(writer.toString()); } static Object evalInNewThread(final Object f) { final Flag flag = new Flag(); final Var var = new Var(); final Var exception = new Var(); { Thread _t_0 = new Thread() { public void run() { try { try { var.set(callF(f)); } catch (Throwable e) { exception.set(e); } flag.raise(); } catch (Throwable __e) { printStackTrace2(__e); } } }; startThread(_t_0); } flag.waitUntilUp(); if (exception.has()) throw rethrow(exception.get()); return var.get(); } 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 final Map> getOpt_cache = newWeakHashMap(); static final HashMap getOpt_special = new HashMap(); // just a marker static { getOpt_cache.put(Class.class, getOpt_special); getOpt_cache.put(String.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); if (o instanceof DynamicObject) return ((DynamicObject) o).fieldValues.get(field); 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 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) { return callStaticAnswerMethod(mc(), s); } static String callStaticAnswerMethod(String s, List history) { return callStaticAnswerMethod(mc(), s, history); } static String callStaticAnswerMethod(Object c, String s, List history) { String answer = (String) callOpt(c, "answer", s, history); if (answer == null) answer = (String) callOpt(c, "answer", s); return emptyToNull(answer); } 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 List nlTok(String s) { return javaTokPlusPeriod(s); } static volatile Throwable lastException_lastException; static Throwable lastException() { return lastException_lastException; } static void lastException(Throwable e) { lastException_lastException = e; } 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 isSubtypeOf(Class a, Class b) { return b.isAssignableFrom(a); // << always hated that method, let's replace it! } static String emptyToNull(String s) { return eq(s, "") ? null : s; } 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) { //fail(e.getMessage() + " | Method: " + method + ", receiver: " + className(o) + ", args: (" + join(", ", map(f className, args) + ")"); 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() & 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 int lastIndexOf(String a, String b) { return a == null || b == null ? -1 : a.lastIndexOf(b); } static char lastChar(String s) { return empty(s) ? '\0' : s.charAt(l(s)-1); } 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 String dropSuffix(String suffix, String s) { return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static abstract class F0 { abstract A get(); } static abstract class F1 { abstract B get(A a); } static ThreadLocal DynamicObject_loading = new ThreadLocal(); static class DynamicObject { String className; // just the name, without the "main$" LinkedHashMap fieldValues = new LinkedHashMap(); DynamicObject() {} // className = just the name, without the "main$" DynamicObject(String className) { this.className = className;} } /** this class is fully thread-safe */ static class Flag { private boolean up; /** returns true if flag was down before */ public synchronized boolean raise() { if (!up) { up = true; notifyAll(); return true; } else return false; } public synchronized void waitUntilUp() { while (!up) { try { wait(); } catch (InterruptedException e) { e.printStackTrace(); } } } public synchronized void waitUntilUp(long timeout) { if (!up) { try { wait(timeout); } catch (InterruptedException e) { e.printStackTrace(); } } } public synchronized boolean isUp() { return up; } public String toString() { return isUp() ? "up" : "down"; } // currently does a semi-active wait with latency = 50 ms public void waitForThisOr(Flag otherFlag) { try { while (!isUp() && !otherFlag.isUp()) Thread.sleep(50); } catch (Exception __e) { throw rethrow(__e); } } } static class Var implements IVar { A v; // you can access this directly if you use one thread Var() {} Var(A v) { this.v = v;} public synchronized void set(A a) { if (v != a) { v = a; notifyAll(); } } public synchronized A get() { return v; } public synchronized boolean has() { return v != null; } public synchronized void clear() { v = null; } public String toString() { return str(get()); } } static abstract class DialogIO { String line; boolean eos, loud, noClose; abstract String readLineImpl(); abstract boolean isStillConnected(); abstract void sendLine(String line); abstract boolean isLocalConnection(); abstract Socket getSocket(); abstract void close(); int getPort() { Socket s = getSocket(); return s == null ? 0 : s.getPort(); } boolean helloRead; int shortenOutputTo = 500; 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 (Exception __e) { throw rethrow(__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("> " + shorten(s, shortenOutputTo)); sendLine(s); String answer = readLine(); print("< " + shorten(answer, shortenOutputTo)); 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; 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 String fsi(String id) { return formatSnippetID(id); } static volatile boolean readLine_noReadLine; static String readLine() { if (readLine_noReadLine) return null; return (String) call(getJavaX(), "readLine"); } static interface IVar { void set(A a); A get(); boolean has(); void clear(); } }