import java.util.*; import java.util.zip.*; import java.util.List; import java.util.regex.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.concurrent.locks.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; import javax.swing.table.*; import java.io.*; import java.net.*; import java.lang.reflect.*; import java.lang.ref.*; import java.lang.management.*; import java.security.*; import java.security.spec.*; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.imageio.*; import java.math.*; import x30_pkg.x30_util; import static x30_pkg.x30_util.VF1; import static x30_pkg.x30_util.l; import static x30_pkg.x30_util.indexOf; import static x30_pkg.x30_util.getOpt; import static x30_pkg.x30_util.callOpt; import static x30_pkg.x30_util.newWeakHashMap; import static x30_pkg.x30_util.newDangerousWeakHashMap; import static x30_pkg.x30_util.get; import static x30_pkg.x30_util.get_raw; import static x30_pkg.x30_util.assertTrue; import static x30_pkg.x30_util.isHeadless; import static x30_pkg.x30_util.isAndroid; import static x30_pkg.x30_util.isTrue; import loadableUtils.utils; import static loadableUtils.utils.dm_current_mandatory; import static loadableUtils.utils.vm_generalIdentityHashSet; import static loadableUtils.utils.vm_generalHashMap; import static loadableUtils.utils.DynamicObject_loading; import static loadableUtils.utils.rethrow; import loadableUtils.utils.F0; import loadableUtils.utils.F1; import loadableUtils.utils.IF0; import loadableUtils.utils.IF1; import loadableUtils.utils.IVF1; import loadableUtils.utils.IVF2; import loadableUtils.utils.Matches; import loadableUtils.utils.Q; import loadableUtils.utils.MultiSet; import loadableUtils.utils.Concept; import loadableUtils.utils.Concepts; import loadableUtils.utils.PersistableThrowable; import loadableUtils.utils.DynModule; import loadableUtils.utils.DynPrintLog; import loadableUtils.utils.Rect; import loadableUtils.utils.Pt; class main { static public class AModule extends DynPrintLog { public void start() { try { super.start(); dm_vmBus_onMessage("reloadingModule", mod -> { String trace = getStackTrace("Reloading: " + mod); dm_inQ(me(), new Runnable() { public void run() { try { print("RELOAD RELOAD"); print(trace); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "print(\"RELOAD RELOAD\");\r\n print(trace);"; } }); }); } catch (Exception __e) { throw rethrow(__e); } } } static public boolean _moduleClass_AModule = true; static public String programID; static public void _onLoad_initUtils() { utils.__javax = javax(); } static public void _onLoad_defaultClassFinder() { setDefaultClassFinder(new F1() { public Class get(String name) { Class c = findClass_fullName(name); if (c != null) return c; if (name.startsWith("main$")) return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + name.substring(4)); return null; } }); } static public ThreadLocal dynamicObjectIsLoading_threadLocal() { return DynamicObject_loading; } static volatile public Concepts mainConcepts; static public Concepts db_mainConcepts() { if (mainConcepts == null) mainConcepts = newConceptsWithClassFinder(getDBProgramID()); return mainConcepts; } static public void cleanMeUp_concepts() { if (db_mainConcepts() != null) db_mainConcepts().cleanMeUp(); } static public AutoCloseable dm_vmBus_onMessage(final String msg, final VF1 onMessage) { return dm_ownResource(vmBus_onMessage(msg, onMessage)); } static public AutoCloseable dm_vmBus_onMessage(final String msg, final IVF1 onMessage) { return dm_ownResource(vmBus_onMessage(msg, ivf1ToVF1(onMessage))); } static public AutoCloseable dm_vmBus_onMessage(final String msg, final IVF2 onMessage) { return dm_ownResource(vmBus_onMessage(msg, ivf2ToVF2(onMessage))); } static public AutoCloseable dm_vmBus_onMessage(String msg, final VF2 onMessage) { return dm_ownResource(vmBus_onMessage(msg, onMessage)); } static public AutoCloseable dm_vmBus_onMessage(String msg, Runnable onMessage) { return dm_ownResource(vmBus_onMessage(msg, onMessage)); } static public String getStackTrace(Throwable throwable) { lastException(throwable); return getStackTrace_noRecord(throwable); } static public String getStackTrace_noRecord(Throwable throwable) { StringWriter writer = new StringWriter(); throwable.printStackTrace(new PrintWriter(writer)); return hideCredentials(writer.toString()); } static public String getStackTrace() { return getStackTrace_noRecord(new Throwable()); } static public String getStackTrace(String msg) { return getStackTrace_noRecord(new Throwable(msg)); } static public void dm_inQ(Runnable r) { dm_q().add(r); } static public void dm_inQ(DynModule mod, Runnable r) { dm_q(mod, r); } static volatile public StringBuffer local_log = new StringBuffer(); static volatile public Appendable print_log = local_log; static volatile public int print_log_max = 1024 * 1024; static volatile public int local_log_max = 100 * 1024; static public boolean print_silent = false; static public Object print_byThread_lock = new Object(); static volatile public ThreadLocal print_byThread; static volatile public Object print_allThreads; static volatile public Object print_preprocess; static public void print() { print(""); } static public A print(String s, A o) { print(combinePrintParameters(s, o)); return o; } static public A print(A o) { ping_okInCleanUp(); if (print_silent) return o; String s = o + "\n"; print_noNewLine(s); return o; } static public void print_noNewLine(String s) { try { Object f = getThreadLocal(print_byThread_dontCreate()); if (f == null) f = print_allThreads; if (f != null) if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s))) return; } catch (Throwable e) { System.out.println(getStackTrace(e)); } print_raw(s); } static public void print_raw(String s) { if (print_preprocess != null) s = (String) callF(print_preprocess, s); s = fixNewLines(s); Appendable loc = local_log; Appendable buf = print_log; int loc_max = print_log_max; if (buf != loc && buf != null) { print_append(buf, s, print_log_max); loc_max = local_log_max; } if (loc != null) print_append(loc, s, loc_max); System.out.print(s); vmBus_send("printed", mc(), s); } static public void print_autoRotate() { } static public Class javax() { return getJavaX(); } static public void setDefaultClassFinder(Object cf) { _defaultClassFinder_value = cf; } static public HashMap findClass_fullName_cache = new HashMap(); static public Class findClass_fullName(String name) { synchronized (findClass_fullName_cache) { if (findClass_fullName_cache.containsKey(name)) return findClass_fullName_cache.get(name); Class c; try { c = Class.forName(name); } catch (ClassNotFoundException e) { c = null; } findClass_fullName_cache.put(name, c); return c; } } static public AutoCloseable tempInterceptPrintIfNotIntercepted(F1 f) { return print_byThread().get() == null ? tempInterceptPrint(f) : null; } static public Object _defaultClassFinder_value = defaultDefaultClassFinder(); static public Object _defaultClassFinder() { return _defaultClassFinder_value; } static public Concepts newConceptsWithClassFinder(String progID) { Concepts cc = new Concepts(progID); cc.classFinder = _defaultClassFinder(); return cc; } static public String getDBProgramID_id; static public String getDBProgramID() { return nempty(getDBProgramID_id) ? getDBProgramID_id : programIDWithCase(); } static public A dm_ownResource(A resource) { dm_currentModuleMandatory().ownResource(resource); return resource; } static public AutoCloseable vmBus_onMessage(String msg, IVF1 onMessage) { return vmBus_onMessage(msg, ivf1ToVF1(onMessage)); } static public AutoCloseable vmBus_onMessage(final String msg, final VF1 onMessage) { Map map = vm_busListenersByMessage_live(); synchronized (map) { Set listeners = map.get(msg); if (listeners == null) map.put(msg, listeners = syncIdentityHashSet()); return tempAdd(listeners, new VF2() { public void get(String _msg, Object arg) { try { callF(onMessage, arg); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(onMessage, arg)"; } }); } } static public AutoCloseable vmBus_onMessage(String msg, final VF2 onMessage) { return vmBus_onMessage(msg, new VF1() { public void get(Object[] o) { try { callF(onMessage, first(o), second(o)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(onMessage, first(o), second(o));"; } }); } static public AutoCloseable vmBus_onMessage(String msg, final IVF2 onMessage) { return vmBus_onMessage(msg, new VF1() { public void get(Object[] o) { try { callF(onMessage, first(o), second(o)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(onMessage, first(o), second(o));"; } }); } static public AutoCloseable vmBus_onMessage(String msg, Runnable onMessage) { return vmBus_onMessage(msg, runnableToVF1(onMessage)); } static public VF1 ivf1ToVF1(IVF1 f) { return f == null ? null : new VF1() { public void get(A a) { try { f.get(a); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "f.get(a)"; } }; } static public VF2 ivf2ToVF2(IVF2 f) { return f == null ? null : new VF2() { public void get(A a, B b) { try { f.get(a, b); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "f.get(a, b)"; } }; } static volatile public PersistableThrowable lastException_lastException; static public PersistableThrowable lastException() { return lastException_lastException; } static public void lastException(Throwable e) { lastException_lastException = persistableThrowable(e); } static public String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); } static public String hideCredentials(String url) { try { if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url))) return url; } catch (Throwable e) { print("HideCredentials", e); } return url.replaceAll("([&?])(_pass|key|cookie)=[^&\\s\"]*", "$1$2="); } static public String hideCredentials(Object o) { return hideCredentials(str(o)); } static public Q dm_q() { return dm_current_mandatory().q(); } static public void dm_q(Runnable r) { dm_inQ(r); } static public void dm_q(DynModule module, Runnable r) { module.q().add(r); } static public A dm_q(IF0 f) { return dm_evalInQ(if0ToF0(f)); } static public String combinePrintParameters(String s, Object o) { return (endsWithLetterOrDigit(s) ? s + ": " : s) + o; } static public void ping_okInCleanUp() { if (ping_pauseAll || ping_anyActions) ping_impl(true); } static public Object getThreadLocal(Object o, String name) { ThreadLocal t = (ThreadLocal) (getOpt(o, name)); return t != null ? t.get() : null; } static public A getThreadLocal(ThreadLocal tl) { return tl == null ? null : tl.get(); } static public A getThreadLocal(ThreadLocal tl, A defaultValue) { return or(getThreadLocal(tl), defaultValue); } static public ThreadLocal print_byThread_dontCreate() { return print_byThread; } static public boolean isFalse(Object o) { return eq(false, o); } static public Object callF(Object f, Object... args) { try { if (f instanceof String) return callMC((String) f, args); return x30_util.callF(f, args); } catch (Exception __e) { throw rethrow(__e); } } static public A callF(F0 f) { return f == null ? null : f.get(); } static public A callF(IF0 f) { return f == null ? null : f.get(); } static public B callF(F1 f, A a) { return f == null ? null : f.get(a); } static public B callF(IF1 f, A a) { return f == null ? null : f.get(a); } static public void callF(VF1 f, A a) { if (f != null) f.get(a); } static public Object callMC(String method, Object... args) { return call(mc(), method, args); } static public Object call(Object o) { return callF(o); } static public Object call(Object o, String method, Object... args) { return call_withVarargs(o, method, args); } static public String fixNewLines(String s) { int i = indexOf(s, '\r'); if (i < 0) return s; int l = s.length(); StringBuilder out = new StringBuilder(l); out.append(s, 0, i); for (; i < l; i++) { char c = s.charAt(i); if (c != '\r') out.append(c); else { out.append('\n'); if (i + 1 < l && s.charAt(i + 1) == '\n') ++i; } } return out.toString(); } static public void print_append(Appendable buf, String s, int max) { try { synchronized (buf) { buf.append(s); if (buf instanceof StringBuffer) rotateStringBuffer(((StringBuffer) buf), max); else if (buf instanceof StringBuilder) rotateStringBuilder(((StringBuilder) buf), max); } } catch (Exception __e) { throw rethrow(__e); } } static public void vmBus_send(String msg, Object... args) { Object arg = vmBus_wrapArgs(args); pcallFAll_minimalExceptionHandling(vm_busListeners_live(), msg, arg); pcallFAll_minimalExceptionHandling(vm_busListenersByMessage_live().get(msg), msg, arg); } static public void vmBus_send(String msg) { vmBus_send(msg, (Object) null); } static public Class mc() { return main.class; } static public Class __javax; static public Class getJavaX() { try { return __javax; } catch (Exception __e) { throw rethrow(__e); } } static public ThreadLocal print_byThread() { synchronized (print_byThread_lock) { if (print_byThread == null) print_byThread = new ThreadLocal(); } return print_byThread; } static public AutoCloseable tempInterceptPrint(F1 f) { return tempSetThreadLocal(print_byThread(), f); } static public Object defaultDefaultClassFinder() { return new F1() { public Class get(String name) { Class c = get2(name); return c; } public Class get2(String name) { if (eq(name, "
")) return mc(); { Class c = findClass_fullName(name); if (c != null) return c; } if (startsWithAny(name, "loadableUtils.utils$", "main$", mcDollar())) for (String pkg : ll("loadableUtils.utils$", mcDollar())) { String newName = pkg + afterDollar(name); { Class c = findClass_fullName(newName); if (c != null) return c; } } return null; } }; } static public boolean nempty(Collection c) { return !empty(c); } static public boolean nempty(CharSequence s) { return !empty(s); } static public boolean nempty(Object[] o) { return !empty(o); } static public boolean nempty(byte[] o) { return !empty(o); } static public boolean nempty(int[] o) { return !empty(o); } static public boolean nempty(Map m) { return !empty(m); } static public boolean nempty(Iterator i) { return i != null && i.hasNext(); } static public boolean nempty(Object o) { return !empty(o); } static public boolean nempty(Rect r) { return r != null && r.w != 0 && r.h != 0; } static public String programIDWithCase() { return nempty(caseID()) ? programID() + "/" + quoteUnlessIdentifierOrInteger(caseID()) : programID(); } static public DynModule dm_currentModuleMandatory() { return dm_current_mandatory(); } static public Map vm_busListenersByMessage_live_cache; static public Map vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; } static public Map vm_busListenersByMessage_live_load() { return vm_generalHashMap("busListenersByMessage"); } static public Set syncIdentityHashSet() { return (Set) synchronizedSet(identityHashSet()); } static public AutoCloseable tempAdd(final Collection l, final A a) { if (l == null || l.contains(a)) return null; l.add(a); return new AutoCloseable() { public String toString() { return "l.remove(a);"; } public void close() throws Exception { l.remove(a); } }; } static public Object first(Object list) { return first((Iterable) list); } static public A first(List list) { return empty(list) ? null : list.get(0); } static public A first(A[] bla) { return bla == null || bla.length == 0 ? null : bla[0]; } static public A first(IterableIterator i) { return first((Iterator) i); } static public A first(Iterator i) { return i == null || !i.hasNext() ? null : i.next(); } static public A first(Iterable i) { if (i == null) return null; Iterator it = i.iterator(); return it.hasNext() ? it.next() : null; } static public Character first(String s) { return empty(s) ? null : s.charAt(0); } static public Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); } static public Byte first(byte[] l) { return empty(l) ? null : l[0]; } static public A first(A[] l, IF1 pred) { return firstThat(l, pred); } static public A first(Iterable l, IF1 pred) { return firstThat(l, pred); } static public A first(IF1 pred, Iterable l) { return firstThat(pred, l); } static public A second(List l) { return get(l, 1); } static public A second(Iterable l) { if (l == null) return null; Iterator it = iterator(l); if (!it.hasNext()) return null; it.next(); return it.hasNext() ? it.next() : null; } static public A second(A[] bla) { return bla == null || bla.length <= 1 ? null : bla[1]; } static public char second(String s) { return charAt(s, 1); } static public B second(Either e) { return e == null ? null : e.bOpt(); } static public A third(List l) { return _get(l, 2); } static public A third(Iterable l) { if (l == null) return null; Iterator it = iterator(l); for (int _repeat_0 = 0; _repeat_0 < 2; _repeat_0++) { if (!it.hasNext()) return null; it.next(); } return it.hasNext() ? it.next() : null; } static public A third(A[] bla) { return bla == null || bla.length <= 2 ? null : bla[2]; } static public A last(List l) { return empty(l) ? null : l.get(l.size() - 1); } static public char last(String s) { return empty(s) ? '#' : s.charAt(l(s) - 1); } static public int last(int[] a) { return l(a) != 0 ? a[l(a) - 1] : 0; } static public double last(double[] a) { return l(a) != 0 ? a[l(a) - 1] : 0; } static public A last(A[] a) { return l(a) != 0 ? a[l(a) - 1] : null; } static public A last(Iterator it) { A a = null; while (it.hasNext()) { ping(); a = it.next(); } return a; } static public A last(Collection l) { if (l == null) return null; if (l instanceof List) return (A) last((List) l); if (l instanceof SortedSet) return (A) last((SortedSet) l); Iterator it = iterator(l); A a = null; while (it.hasNext()) { ping(); a = it.next(); } return a; } static public A last(SortedSet l) { return l == null ? null : l.last(); } static public VF1 runnableToVF1(final Runnable r) { return r == null ? null : new VF1() { public void get(A a) { try { r.run(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "r.run()"; } }; } static public PersistableThrowable persistableThrowable(Throwable e) { return e == null ? null : new PersistableThrowable(e); } static public String str(Object o) { return o == null ? "null" : o.toString(); } static public String str(char[] c) { return new String(c); } static public boolean startsWithOneOf(String s, String... l) { for (String x : l) if (startsWith(s, x)) return true; return false; } static public boolean startsWithOneOf(String s, Matches m, String... l) { for (String x : l) if (startsWith(s, x, m)) return true; return false; } static public boolean isAGIBlueDomain(String domain) { return domainIsUnder(domain, theAGIBlueDomain()); } static public String hostNameFromURL(String url) { try { return new URL(url).getHost(); } catch (Exception __e) { throw rethrow(__e); } } static public A dm_evalInQ(F0 f) { return dm_evalInQ(dm_current_mandatory(), f); } static public A dm_evalInQ(IF0 f) { return dm_evalInQ(dm_current_mandatory(), if0ToF0(f)); } static public A dm_evalInQ(DynModule module, F0 f) { return evalInQ(module.q(), f); } static public F0 if0ToF0(IF0 f) { return f == null ? null : new F0() { public A get() { try { return f.get(); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ret f.get();"; } }; } static public boolean endsWithLetterOrDigit(String s) { return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length() - 1)); } static volatile public boolean ping_pauseAll = false; static public int ping_sleep = 100; static volatile public boolean ping_anyActions = false; static public Map ping_actions = newWeakHashMap(); static public ThreadLocal ping_isCleanUpThread = new ThreadLocal(); static public boolean ping() { newPing(); if (ping_pauseAll || ping_anyActions) ping_impl(true); return true; } static public boolean ping_impl(boolean okInCleanUp) { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get())) failIfUnlicensed(); Object action = null; synchronized (ping_actions) { if (!ping_actions.isEmpty()) { action = ping_actions.get(currentThread()); if (action instanceof Runnable) ping_actions.remove(currentThread()); if (ping_actions.isEmpty()) ping_anyActions = false; } } if (action instanceof Runnable) ((Runnable) action).run(); else if (eq(action, "cancelled")) throw fail("Thread cancelled."); } return false; } catch (Exception __e) { throw rethrow(__e); } } static public A or(A a, A b) { return a != null ? a : b; } static public boolean eq(Object a, Object b) { return a == b || a != null && b != null && a.equals(b); } static public boolean eq(Symbol a, String b) { return eq(str(a), b); } static public Object call_withVarargs(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Class c = (Class) o; _MethodCache cache = callOpt_getCache(c); Method me = cache.findStaticMethod(method, args); if (me != null) return invokeMethod(me, null, args); List methods = cache.cache.get(method); if (methods != null) methodSearch: for (Method m : methods) { { if (!(m.isVarArgs())) continue; } { if (!(isStaticMethod(m))) continue; } Object[] newArgs = massageArgsForVarArgsCall(m, args); if (newArgs != null) return invokeMethod(m, null, newArgs); } throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found"); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(method, args); if (me != null) return invokeMethod(me, o, args); List methods = cache.cache.get(method); if (methods != null) methodSearch: for (Method m : methods) { { if (!(m.isVarArgs())) continue; } Object[] newArgs = massageArgsForVarArgsCall(m, args); if (newArgs != null) return invokeMethod(m, o, newArgs); } throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found"); } } catch (Exception __e) { throw rethrow(__e); } } static public void rotateStringBuffer(StringBuffer buf, int max) { try { if (buf == null) return; synchronized (buf) { if (buf.length() <= max) return; 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); } buf.trimToSize(); } } catch (Exception __e) { throw rethrow(__e); } } static public void rotateStringBuilder(StringBuilder buf, int max) { try { if (buf == null) return; synchronized (buf) { if (buf.length() <= max) return; 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); } buf.trimToSize(); } } catch (Exception __e) { throw rethrow(__e); } } static public Object vmBus_wrapArgs(Object... args) { return empty(args) ? null : l(args) == 1 ? args[0] : args; } static public void pcallFAll_minimalExceptionHandling(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) { ping(); pcallF_minimalExceptionHandling(f, args); } } static public void pcallFAll_minimalExceptionHandling(Iterator it, Object... args) { while (it.hasNext()) { ping(); pcallF_minimalExceptionHandling(it.next(), args); } } static public Set vm_busListeners_live_cache; static public Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; } static public Set vm_busListeners_live_load() { return vm_generalIdentityHashSet("busListeners"); } static public AutoCloseable tempSetThreadLocal(final ThreadLocal tl, A a) { if (tl == null) return null; final A prev = setThreadLocal(tl, a); return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); } }; } static public Object get2(Object o, String field1, String field2) { return get(get(o, field1), field2); } static public boolean startsWithAny(String a, Collection b) { for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix)) return true; return false; } static public boolean startsWithAny(String a, String... b) { if (b != null) for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix)) return true; return false; } static public boolean startsWithAny(String a, Collection b, Matches m) { for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix, m)) return true; return false; } static public String mcDollar() { return mcName() + "$"; } static public List ll(A... a) { ArrayList l = new ArrayList(a.length); if (a != null) for (A x : a) l.add(x); return l; } static public String afterDollar(String s) { return substring(s, smartIndexOf(s, '$') + 1); } static public boolean empty(Collection c) { return c == null || c.isEmpty(); } static public boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); } static public boolean empty(CharSequence s) { return s == null || s.length() == 0; } static public boolean empty(Map map) { return map == null || map.isEmpty(); } static public boolean empty(Object[] o) { return o == null || o.length == 0; } static public 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 instanceof byte[]) return empty((byte[]) o); if (o == null) return true; throw fail("unknown type for 'empty': " + getType(o)); } static public boolean empty(Iterator i) { return i == null || !i.hasNext(); } static public boolean empty(double[] a) { return a == null || a.length == 0; } static public boolean empty(float[] a) { return a == null || a.length == 0; } static public boolean empty(int[] a) { return a == null || a.length == 0; } static public boolean empty(long[] a) { return a == null || a.length == 0; } static public boolean empty(byte[] a) { return a == null || a.length == 0; } static public boolean empty(short[] a) { return a == null || a.length == 0; } static public boolean empty(MultiSet ms) { return ms == null || ms.isEmpty(); } static public boolean empty(File f) { return getFileSize(f) == 0; } static public boolean empty(Rect r) { return !(r != null && r.w != 0 && r.h != 0); } static volatile public String caseID_caseID; static public String caseID() { return caseID_caseID; } static public void caseID(String id) { caseID_caseID = id; } static public String programID() { return getProgramID(); } static public String programID(Object o) { return getProgramID(o); } static public String quoteUnlessIdentifierOrInteger(String s) { return quoteIfNotIdentifierOrInteger(s); } static public Set synchronizedSet() { return synchroHashSet(); } static public Set synchronizedSet(Set set) { return Collections.synchronizedSet(set); } static public Set identityHashSet() { return Collections.newSetFromMap(new IdentityHashMap()); } static public A firstThat(Iterable l, Object pred) { if (l != null) for (A a : l) if (checkCondition(pred, a)) return a; return null; } static public A firstThat(A[] l, IF1 pred) { if (l != null) for (A a : l) if (pred.get(a)) return a; return null; } static public A firstThat(Iterable l, IF1 pred) { return firstThat(l, (Object) pred); } static public A firstThat(IF1 pred, Iterable l) { return firstThat(l, pred); } static public Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } static public char charAt(String s, int i) { return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0'; } static public A _get(List l, int idx) { return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null; } static public Object _get(Object o, String field) { return get(o, field); } static public Object _get(String field, Object o) { return get(o, field); } static public A _get(A[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : null; } static public boolean startsWith(String a, String b) { return a != null && a.startsWith(unnull(b)); } static public boolean startsWith(String a, char c) { return nemptyString(a) && a.charAt(0) == c; } static public boolean startsWith(String a, String b, Matches m) { if (!startsWith(a, b)) return false; if (m != null) m.m = new String[] { substring(a, strL(b)) }; return true; } static public boolean startsWith(List a, List b) { if (a == null || listL(b) > listL(a)) return false; for (int i = 0; i < listL(b); i++) if (neq(a.get(i), b.get(i))) return false; return true; } static public boolean domainIsUnder(String domain, String mainDomain) { return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain); } static public String theAGIBlueDomain() { return "agi.blue"; } static public A evalInQ(Q q, final F0 f) { if (isInQ(q)) return callF(f); final Var> var = new Var(); q.add(new Runnable() { public void run() { try { try { var.set(eitherA(callF(f))); } catch (Throwable e) { var.set(eitherB(e)); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "try {\r\n var.set(eitherA(callF(f)));\r\n } catch (Throwable e) {\r\n ..."; } }); return returnOrThrow_either(waitForVarToBeNotNull(var)); } static public void newPing() { var tl = newPing_actionTL(); Runnable action = tl == null ? null : tl.get(); { if (action != null) action.run(); } } static public boolean isAWTThread() { if (isAndroid()) return false; if (isHeadless()) return false; return isAWTThread_awt(); } static public boolean isAWTThread_awt() { return SwingUtilities.isEventDispatchThread(); } static public void failIfUnlicensed() { assertTrue("license off", licensed()); } static public Thread currentThread() { return Thread.currentThread(); } static public RuntimeException fail() { throw new RuntimeException("fail"); } static public RuntimeException fail(Throwable e) { throw asRuntimeException(e); } static public RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static public RuntimeException fail(Object... objects) { throw new Fail(objects); } static public RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); } static public RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); } static final public Map callOpt_cache = newDangerousWeakHashMap(); static public Object callOpt_cached(Object o, String methodName, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Class c = (Class) o; _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(methodName, args); if (me == null || (me.getModifiers() & Modifier.STATIC) == 0) return null; return invokeMethod(me, null, args); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(methodName, args); if (me == null) return null; return invokeMethod(me, o, args); } } catch (Exception __e) { throw rethrow(__e); } } static public _MethodCache callOpt_getCache(Class c) { _MethodCache cache = callOpt_cache.get(c); if (cache == null) callOpt_cache.put(c, cache = new _MethodCache(c)); return cache; } static public 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 public boolean isStaticMethod(Method m) { return methodIsStatic(m); } static public Object[] massageArgsForVarArgsCall(Method m, Object[] args) { Class[] types = m.getParameterTypes(); int n = types.length - 1, nArgs = args.length; if (nArgs < n) return null; for (int i = 0; i < n; i++) if (!argumentCompatibleWithType(args[i], types[i])) return null; Class varArgType = types[n].getComponentType(); for (int i = n; i < nArgs; i++) if (!argumentCompatibleWithType(args[i], varArgType)) return null; Object[] newArgs = new Object[n + 1]; arraycopy(args, 0, newArgs, 0, n); Object[] varArgs = arrayOfType(varArgType, nArgs - n); arraycopy(args, n, varArgs, 0, nArgs - n); newArgs[n] = varArgs; return newArgs; } static public String joinWithComma(Collection c) { return join(", ", c); } static public String joinWithComma(String... c) { return join(", ", c); } static public List classNames(Collection l) { return getClassNames(l); } static public List classNames(Object[] l) { return getClassNames(Arrays.asList(l)); } static public ArrayList cloneList(Iterable l) { return l instanceof Collection ? cloneList((Collection) l) : asList(l); } static public ArrayList cloneList(Collection l) { if (l == null) return new ArrayList(); synchronized (collectionMutex(l)) { return new ArrayList(l); } } static public Object pcallF_minimalExceptionHandling(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable e) { System.out.println(getStackTrace(e)); _storeException(e); } return null; } static public A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static public String unnullForIteration(String s) { return s == null ? "" : s; } static public Collection unnullForIteration(Collection l) { return l == null ? immutableEmptyList() : l; } static public List unnullForIteration(List l) { return l == null ? immutableEmptyList() : l; } static public int[] unnullForIteration(int[] l) { return l == null ? emptyIntArray() : l; } static public char[] unnullForIteration(char[] l) { return l == null ? emptyCharArray() : l; } static public double[] unnullForIteration(double[] l) { return l == null ? emptyDoubleArray() : l; } static public short[] unnullForIteration(short[] l) { return l == null ? emptyShortArray() : l; } static public Map unnullForIteration(Map l) { return l == null ? immutableEmptyMap() : l; } static public Iterable unnullForIteration(Iterable i) { return i == null ? immutableEmptyList() : i; } static public A[] unnullForIteration(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static public BitSet unnullForIteration(BitSet b) { return b == null ? new BitSet() : b; } static public Pt unnullForIteration(Pt p) { return p == null ? new Pt() : p; } static public Symbol unnullForIteration(Symbol s) { return s == null ? emptySymbol() : s; } static public long unnullForIteration(Long l) { return l == null ? 0L : l; } static public String mcName() { return mc().getName(); } static public String substring(String s, int x) { return substring(s, x, strL(s)); } static public String substring(String s, int x, int y) { if (s == null) return null; if (x < 0) x = 0; int n = s.length(); if (y < x) y = x; if (y > n) y = n; if (x >= y) return ""; return s.substring(x, y); } static public String substring(String s, CharSequence l) { return substring(s, lCharSequence(l)); } static public int smartIndexOf(String s, String sub, int i) { if (s == null) return 0; i = s.indexOf(sub, min(i, l(s))); return i >= 0 ? i : l(s); } static public int smartIndexOf(String s, int i, char c) { return smartIndexOf(s, c, i); } static public int smartIndexOf(String s, char c, int i) { if (s == null) return 0; i = s.indexOf(c, min(i, l(s))); return i >= 0 ? i : l(s); } static public int smartIndexOf(String s, String sub) { return smartIndexOf(s, sub, 0); } static public int smartIndexOf(String s, char c) { return smartIndexOf(s, c, 0); } static public int smartIndexOf(List l, A sub) { return smartIndexOf(l, sub, 0); } static public int smartIndexOf(List l, int start, A sub) { return smartIndexOf(l, sub, start); } static public int smartIndexOf(List l, A sub, int start) { int i = indexOf(l, sub, start); return i < 0 ? l(l) : i; } static public String getType(Object o) { return getClassName(o); } static public long getFileSize(String path) { return path == null ? 0 : new File(path).length(); } static public long getFileSize(File f) { return f == null ? 0 : f.length(); } static public String getProgramID() { return nempty(programID) ? formatSnippetIDOpt(programID) : "?"; } static public String getProgramID(Class c) { String id = (String) getOpt(c, "programID"); if (nempty(id)) return formatSnippetID(id); return "?"; } static public String getProgramID(Object o) { return getProgramID(getMainClass(o)); } static public String quoteIfNotIdentifierOrInteger(String s) { if (s == null) return null; return isJavaIdentifier(s) || isInteger(s) ? s : quote(s); } static public Set synchroHashSet() { return Collections.synchronizedSet(new HashSet()); } static public boolean checkCondition(Object condition, Object... args) { return isTrue(callF(condition, args)); } static public boolean checkCondition(IF1 condition, A arg) { return isTrue(callF(condition, arg)); } static public Iterator emptyIterator() { return Collections.emptyIterator(); } static public String unnull(String s) { return s == null ? "" : s; } static public Collection unnull(Collection l) { return l == null ? emptyList() : l; } static public List unnull(List l) { return l == null ? emptyList() : l; } static public int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; } static public char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; } static public double[] unnull(double[] l) { return l == null ? emptyDoubleArray() : l; } static public Map unnull(Map l) { return l == null ? emptyMap() : l; } static public Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static public A[] unnull(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static public BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static public Pt unnull(Pt p) { return p == null ? new Pt() : p; } static public Symbol unnull(Symbol s) { return s == null ? emptySymbol() : s; } static public int unnull(Integer i) { return i == null ? 0 : i; } static public long unnull(Long l) { return l == null ? 0L : l; } static public double unnull(Double l) { return l == null ? 0.0 : l; } static public boolean nemptyString(String s) { return s != null && s.length() > 0; } static public int strL(String s) { return s == null ? 0 : s.length(); } static public int listL(Collection l) { return l == null ? 0 : l.size(); } static public boolean neq(Object a, Object b) { return !eq(a, b); } static public boolean eqic(String a, String b) { if ((a == null) != (b == null)) return false; if (a == null) return true; return a.equalsIgnoreCase(b); } static public boolean eqic(Symbol a, Symbol b) { return eq(a, b); } static public boolean eqic(Symbol a, String b) { return eqic(asString(a), b); } static public boolean eqic(char a, char b) { if (a == b) return true; char u1 = Character.toUpperCase(a); char u2 = Character.toUpperCase(b); if (u1 == u2) return true; return Character.toLowerCase(u1) == Character.toLowerCase(u2); } static public boolean ewic(String a, String b) { return endsWithIgnoreCase(a, b); } static public boolean ewic(String a, String b, Matches m) { return endsWithIgnoreCase(a, b, m); } static public boolean isInQ(Q q) { return q != null && isCurrentThread(q.rst.thread); } static public Either eitherA(A a) { return new Either(1, a); } static public Either eitherB(B b) { return new Either(2, b); } static public A returnOrThrow_either(Either e) { if (isEitherB(e)) throw rethrow(e.b()); return eitherAOpt(e); } static public A waitForVarToBeNotNull(Var v) { try { synchronized (v) { while (!v.has()) v.wait(); return v.get(); } } catch (Exception __e) { throw rethrow(__e); } } static public x30_pkg.x30_util.BetterThreadLocal newPing_actionTL; static public x30_pkg.x30_util.BetterThreadLocal newPing_actionTL() { if (newPing_actionTL == null) newPing_actionTL = vm_generalMap_getOrCreate("newPing_actionTL", () -> new x30_pkg.x30_util.BetterThreadLocal()); return newPing_actionTL; } static volatile public boolean licensed_yes = true; static public boolean licensed() { if (!licensed_yes) return false; ping_okInCleanUp(); return true; } static public void licensed_off() { licensed_yes = false; } static public RuntimeException asRuntimeException(Throwable t) { if (t instanceof Error) _handleError((Error) t); return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static public Throwable getExceptionCause(Throwable e) { Throwable c = e.getCause(); return c != null ? c : e; } static public String joinWithSpace(Iterable c) { return join(" ", c); } static public String joinWithSpace(String... c) { return join(" ", c); } static public boolean methodIsStatic(Method m) { return (m.getModifiers() & Modifier.STATIC) != 0; } static public boolean argumentCompatibleWithType(Object arg, Class type) { return arg == null ? !type.isPrimitive() : isInstanceX(type, arg); } static public void arraycopy(Object[] a, Object[] b) { if (a != null && b != null) arraycopy(a, 0, b, 0, Math.min(a.length, b.length)); } static public void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) { if (n != 0) System.arraycopy(src, srcPos, dest, destPos, n); } static public A[] arrayOfType(Class type, int n) { return makeArray(type, n); } static public A[] arrayOfType(int n, Class type) { return arrayOfType(type, n); } public static String join(String glue, Iterable strings) { if (strings == null) return ""; if (strings instanceof Collection) { if (((Collection) strings).size() == 1) return str(first((Collection) strings)); } 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 public String join(Iterable strings) { return join("", strings); } static public String join(Iterable strings, String glue) { return join(glue, strings); } public static String join(String[] strings) { return join("", strings); } static public 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 public ArrayList asList(A[] a) { return a == null ? new ArrayList() : new ArrayList(Arrays.asList(a)); } static public ArrayList asList(int[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (int i : a) l.add(i); return l; } static public ArrayList asList(long[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (long i : a) l.add(i); return l; } static public ArrayList asList(float[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (float i : a) l.add(i); return l; } static public ArrayList asList(double[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (double i : a) l.add(i); return l; } static public ArrayList asList(Iterator it) { ArrayList l = new ArrayList(); if (it != null) while (it.hasNext()) l.add(it.next()); return l; } static public ArrayList asList(IterableIterator s) { return asList((Iterator) s); } static public 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 public ArrayList asList(Enumeration e) { ArrayList l = new ArrayList(); if (e != null) while (e.hasMoreElements()) l.add(e.nextElement()); return l; } static public Object collectionMutex(List l) { return l; } static public Object collectionMutex(Object o) { if (o instanceof List) return o; String c = className(o); if (eq(c, "java.util.TreeMap$KeySet")) c = className(o = getOpt(o, "m")); else if (eq(c, "java.util.HashMap$KeySet")) c = className(o = get_raw(o, "this$0")); if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap")) c = className(o = get_raw(o, "m")); return o; } static public Object callFunction(Object f, Object... args) { return callF(f, args); } static public Throwable _storeException_value; static public void _storeException(Throwable e) { _storeException_value = e; } static public List immutableEmptyList() { return Collections.emptyList(); } static public int[] emptyIntArray_a = new int[0]; static public int[] emptyIntArray() { return emptyIntArray_a; } static public char[] emptyCharArray = new char[0]; static public char[] emptyCharArray() { return emptyCharArray; } static public double[] emptyDoubleArray = new double[0]; static public double[] emptyDoubleArray() { return emptyDoubleArray; } static public short[] emptyShortArray = new short[0]; static public short[] emptyShortArray() { return emptyShortArray; } static public Map immutableEmptyMap() { return Collections.emptyMap(); } static public Object[] emptyObjectArray_a = new Object[0]; static public Object[] emptyObjectArray() { return emptyObjectArray_a; } static public Symbol emptySymbol_value; static public Symbol emptySymbol() { if (emptySymbol_value == null) emptySymbol_value = symbol(""); return emptySymbol_value; } static public int lCharSequence(CharSequence s) { return s == null ? 0 : s.length(); } static public int min(int a, int b) { return Math.min(a, b); } static public long min(long a, long b) { return Math.min(a, b); } static public float min(float a, float b) { return Math.min(a, b); } static public float min(float a, float b, float c) { return min(min(a, b), c); } static public double min(double a, double b) { return Math.min(a, b); } static public double min(double[] c) { double x = Double.MAX_VALUE; for (double d : c) x = Math.min(x, d); return x; } static public float min(float[] c) { float x = Float.MAX_VALUE; for (float d : c) x = Math.min(x, d); return x; } static public byte min(byte[] c) { byte x = 127; for (byte d : c) if (d < x) x = d; return x; } static public short min(short[] c) { short x = 0x7FFF; for (short d : c) if (d < x) x = d; return x; } static public int min(int[] c) { int x = Integer.MAX_VALUE; for (int d : c) if (d < x) x = d; return x; } static public String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } static public String formatSnippetIDOpt(String s) { return isSnippetID(s) ? formatSnippetID(s) : s; } static public String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static public String formatSnippetID(long id) { return "#" + id; } static public Class getMainClass() { return mc(); } static public Class getMainClass(Object o) { try { if (o == null) return null; if (o instanceof Class && eq(((Class) o).getName(), "x30")) return (Class) o; ClassLoader cl = (o instanceof Class ? (Class) o : o.getClass()).getClassLoader(); if (cl == null) return null; String name = mainClassNameForClassLoader(cl); return loadClassFromClassLoader_orNull(cl, name); } catch (Exception __e) { throw rethrow(__e); } } static public 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 public boolean isInteger(String s) { int n = l(s); if (n == 0) return false; int i = 0; if (s.charAt(0) == '-') if (++i >= n) return false; while (i < n) { char c = s.charAt(i); if (c < '0' || c > '9') return false; ++i; } return true; } static public String quote(Object o) { if (o == null) return "null"; return quote(str(o)); } static public 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 public void quote_impl(String s, StringBuilder out) { out.append('"'); int l = s.length(); for (int i = 0; i < l; i++) { char c = s.charAt(i); if (c == '\\' || c == '"') out.append('\\').append(c); else if (c == '\r') out.append("\\r"); else if (c == '\n') out.append("\\n"); else if (c == '\t') out.append("\\t"); else if (c == '\0') out.append("\\0"); else out.append(c); } out.append('"'); } static public ArrayList emptyList() { return new ArrayList(); } static public ArrayList emptyList(int capacity) { return new ArrayList(max(0, capacity)); } static public ArrayList emptyList(Iterable l) { return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList(); } static public ArrayList emptyList(Object[] l) { return emptyList(l(l)); } static public ArrayList emptyList(Class c) { return new ArrayList(); } static public Map emptyMap() { return new HashMap(); } static public String asString(Object o) { return o == null ? null : o.toString(); } static public boolean endsWithIgnoreCase(String a, String b) { int la = l(a), lb = l(b); return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb); } static public boolean endsWithIgnoreCase(String a, String b, Matches m) { if (!endsWithIgnoreCase(a, b)) return false; if (m != null) m.m = new String[] { substring(a, 0, l(a) - l(b)) }; return true; } static public boolean isCurrentThread(Thread t) { return t != null && t == currentThread(); } static public boolean isEitherB(Either e) { return eitherIsB(e); } static public A eitherAOpt(Either e) { return e != null && e.isA() ? e.a() : null; } static public A vm_generalMap_getOrCreate(Object key, F0 create) { return vm_generalMap_getOrCreate(key, f0ToIF0(create)); } static public A vm_generalMap_getOrCreate(Object key, IF0 create) { Map generalMap = vm_generalMap(); if (generalMap == null) return null; synchronized (generalMap) { A a = (A) (vm_generalMap_get(key)); if (a == null) vm_generalMap_put(key, a = create == null ? null : create.get()); return a; } } static public void _handleError(Error e) { call(javax(), "_handleError", e); } static public 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 public A[] makeArray(Class type, int n) { return (A[]) Array.newInstance(type, n); } static public String className(Object o) { return getClassName(o); } static public boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } static public WeakHasherMap symbol_map = new WeakHasherMap(new Hasher() { public int hashCode(Symbol symbol) { return symbol.text.hashCode(); } public boolean equals(Symbol a, Symbol b) { if (a == null) return b == null; return b != null && eq(a.text, b.text); } }); static public Symbol symbol(String s) { if (s == null) return null; synchronized (symbol_map) { Symbol symbol = new Symbol(s, true); Symbol existingSymbol = symbol_map.findKey(symbol); if (existingSymbol == null) symbol_map.put(existingSymbol = symbol, true); return existingSymbol; } } static public Symbol symbol(CharSequence s) { if (s == null) return null; if (s instanceof Symbol) return (Symbol) s; if (s instanceof String) return symbol((String) s); return symbol(str(s)); } static public Symbol symbol(Object o) { return symbol((CharSequence) o); } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) throw fail("0 is not a snippet ID"); return id; } static public String mainClassNameForClassLoader(ClassLoader cl) { return or((String) callOpt(cl, "mainClassName"), "main"); } static public Class loadClassFromClassLoader_orNull(ClassLoader cl, String name) { try { return cl == null ? null : cl.loadClass(name); } catch (ClassNotFoundException e) { return null; } } static public int max(int a, int b) { return Math.max(a, b); } static public int max(int a, int b, int c) { return max(max(a, b), c); } static public long max(int a, long b) { return Math.max((long) a, b); } static public long max(long a, long b) { return Math.max(a, b); } static public double max(int a, double b) { return Math.max((double) a, b); } static public float max(float a, float b) { return Math.max(a, b); } static public double max(double a, double b) { return Math.max(a, b); } static public int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); return x; } static public 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 public 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 public byte max(byte[] c) { byte x = -128; for (byte d : c) if (d > x) x = d; return x; } static public short max(short[] c) { short x = -0x8000; for (short d : c) if (d > x) x = d; return x; } static public int max(int[] c) { int x = Integer.MIN_VALUE; for (int d : c) if (d > x) x = d; return x; } static public boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) { return a != null && a.regionMatches(true, offsetA, b, offsetB, len); } static public boolean eitherIsB(Either e) { return e != null && e.isB(); } static public IF0 f0ToIF0(F0 f) { return f == null ? null : () -> f.get(); } static public Map vm_generalMap_map; static public Map vm_generalMap() { if (vm_generalMap_map == null) vm_generalMap_map = (Map) get(javax(), "generalMap"); return vm_generalMap_map; } static public Object vm_generalMap_get(Object key) { return vm_generalMap().get(key); } static public Object vm_generalMap_put(Object key, Object value) { return mapPutOrRemove(vm_generalMap(), key, value); } static public 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 public B mapPutOrRemove(Map map, A key, B value) { if (map != null && key != null) if (value != null) return map.put(key, value); else return map.remove(key); return null; } static public long parseLong(String s) { if (empty(s)) return 0; return Long.parseLong(dropSuffix("L", s)); } static public long parseLong(Object s) { return Long.parseLong((String) s); } static public String dropSuffix(String suffix, String s) { return nempty(suffix) && endsWith(s, suffix) ? s.substring(0, l(s) - l(suffix)) : s; } static public boolean endsWith(String a, String b) { return a != null && a.endsWith(b); } static public boolean endsWith(String a, char c) { return nempty(a) && lastChar(a) == c; } static public 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 public char lastChar(String s) { return empty(s) ? '\0' : s.charAt(l(s) - 1); } static public A[] dropLast(A[] a) { return dropLast(a, 1); } static public A[] dropLast(A[] a, int n) { if (a == null) return null; n = Math.min(n, a.length); A[] b = arrayOfSameType(a, a.length - n); System.arraycopy(a, 0, b, 0, b.length); return b; } static public List dropLast(List l) { return subList(l, 0, l(l) - 1); } static public List dropLast(int n, List l) { return subList(l, 0, l(l) - n); } static public List dropLast(Iterable l) { return dropLast(asList(l)); } static public String dropLast(String s) { return substring(s, 0, l(s) - 1); } static public String dropLast(String s, int n) { return substring(s, 0, l(s) - n); } static public String dropLast(int n, String s) { return dropLast(s, n); } static public A[] arrayOfSameType(A[] a, int n) { return newObjectArrayOfSameType(a, n); } static public List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static public List subList(int startIndex, List l) { return subList(l, startIndex); } static public List subList(int startIndex, int endIndex, List l) { return subList(l, startIndex, endIndex); } static public List subList(List l, int startIndex, int endIndex) { if (l == null) return null; int n = l(l); startIndex = Math.max(0, startIndex); endIndex = Math.min(n, endIndex); if (startIndex > endIndex) return ll(); if (startIndex == 0 && endIndex == n) return l; return l.subList(startIndex, endIndex); } static public A[] newObjectArrayOfSameType(A[] a) { return newObjectArrayOfSameType(a, a.length); } static public A[] newObjectArrayOfSameType(A[] a, int n) { return (A[]) Array.newInstance(a.getClass().getComponentType(), n); } final static public class _MethodCache { final public Class c; final public HashMap> cache = new HashMap(); public _MethodCache(Class c) { this.c = c; _init(); } public void _init() { Class _c = c; while (_c != null) { for (Method m : _c.getDeclaredMethods()) if (!isAbstract(m) && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); _c = _c.getSuperclass(); } for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if (m.isDefault() && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); } public Method findMethod(String method, Object[] args) { try { List m = cache.get(method); if (m == null) return null; int n = m.size(); for (int i = 0; i < n; i++) { Method me = m.get(i); if (call_checkArgs(me, args, false)) return me; } return null; } catch (Exception __e) { throw rethrow(__e); } } public Method findStaticMethod(String method, Object[] args) { try { List m = cache.get(method); if (m == null) return null; int n = m.size(); for (int i = 0; i < n; i++) { Method me = m.get(i); if (isStaticMethod(me) && call_checkArgs(me, args, false)) return me; } return null; } catch (Exception __e) { throw rethrow(__e); } } } static public interface Hasher { public int hashCode(A a); public boolean equals(A a, A b); } static abstract public class VF2 { abstract public void get(A a, B b); } static public class Symbol implements CharSequence { public String text; public Symbol() { } public Symbol(String text, boolean dummy) { this.text = text; } public int hashCode() { return _hashCode(text); } public String toString() { return text; } public boolean equals(Object o) { return this == o; } public int length() { return text.length(); } public char charAt(int index) { return text.charAt(index); } public CharSequence subSequence(int start, int end) { return text.substring(start, end); } } static public class Var implements IVar, ISetter { public Var() { } public Var(A v) { this.v = v; } public A 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(this.get()); } } static final public class WeakHasherMap extends AbstractMap implements Map { public Hasher hasher = null; final public boolean keyEquals(Object k1, Object k2) { return (hasher == null ? k1.equals(k2) : hasher.equals(k1, k2)); } final public int keyHashCode(Object k1) { return (hasher == null ? k1.hashCode() : hasher.hashCode(k1)); } final public WeakKey WeakKeyCreate(K k) { if (k == null) return null; else return new WeakKey(k); } final public WeakKey WeakKeyCreate(K k, ReferenceQueue q) { if (k == null) return null; else return new WeakKey(k, q); } final public class WeakKey extends WeakReference { public int hash; public WeakKey(K k) { super(k); hash = keyHashCode(k); } final public WeakKey create(K k) { if (k == null) return null; else return new WeakKey(k); } public WeakKey(K k, ReferenceQueue q) { super(k, q); hash = keyHashCode(k); } final public WeakKey create(K k, ReferenceQueue q) { if (k == null) return null; else return new WeakKey(k, q); } @Override public boolean equals(Object o) { if (o == null) return false; if (this == o) return true; if (!(o.getClass().equals(WeakKey.class))) return false; Object t = this.get(); @SuppressWarnings("unchecked") Object u = ((WeakKey) o).get(); if ((t == null) || (u == null)) return false; if (t == u) return true; return keyEquals(t, u); } @Override public int hashCode() { return hash; } } public HashMap hash; public ReferenceQueue queue = new ReferenceQueue(); @SuppressWarnings("unchecked") final public void processQueue() { WeakKey wk; while ((wk = (WeakKey) queue.poll()) != null) { hash.remove(wk); } } public WeakHasherMap(int initialCapacity, float loadFactor) { hash = new HashMap(initialCapacity, loadFactor); } public WeakHasherMap(int initialCapacity) { hash = new HashMap(initialCapacity); } public WeakHasherMap() { hash = new HashMap(); } public WeakHasherMap(Hasher h) { hash = new HashMap(); hasher = h; } @Override public int size() { return entrySet().size(); } @Override public boolean isEmpty() { return entrySet().isEmpty(); } @Override public boolean containsKey(Object key) { @SuppressWarnings("unchecked") K kkey = (K) key; return hash.containsKey(WeakKeyCreate(kkey)); } @Override public V get(Object key) { @SuppressWarnings("unchecked") K kkey = (K) key; return hash.get(WeakKeyCreate(kkey)); } @Override public V put(K key, V value) { processQueue(); return hash.put(WeakKeyCreate(key, queue), value); } @Override public V remove(Object key) { processQueue(); @SuppressWarnings("unchecked") K kkey = (K) key; return hash.remove(WeakKeyCreate(kkey)); } @Override public void clear() { processQueue(); hash.clear(); } @SuppressWarnings("TypeParameterShadowing") final public class Entry implements Map.Entry { public Map.Entry ent; public K key; public Entry(Map.Entry ent, K key) { this.ent = ent; this.key = key; } @Override public K getKey() { return key; } @Override public V getValue() { return ent.getValue(); } @Override public V setValue(V value) { return ent.setValue(value); } final public boolean keyvalEquals(K o1, K o2) { return (o1 == null) ? (o2 == null) : keyEquals(o1, o2); } final public boolean valEquals(V o1, V o2) { return (o1 == null) ? (o2 == null) : o1.equals(o2); } @SuppressWarnings("NonOverridingEquals") public boolean equals(Map.Entry e) { return (keyvalEquals(key, e.getKey()) && valEquals(getValue(), e.getValue())); } @Override public int hashCode() { V v; return (((key == null) ? 0 : keyHashCode(key)) ^ (((v = getValue()) == null) ? 0 : v.hashCode())); } } final public class EntrySet extends AbstractSet> { public Set> hashEntrySet = hash.entrySet(); @Override public Iterator> iterator() { return new Iterator>() { public Iterator> hashIterator = hashEntrySet.iterator(); public Map.Entry next = null; @Override public boolean hasNext() { while (hashIterator.hasNext()) { Map.Entry ent = hashIterator.next(); WeakKey wk = ent.getKey(); K k = null; if ((wk != null) && ((k = wk.get()) == null)) { continue; } next = new Entry(ent, k); return true; } return false; } @Override public Map.Entry next() { if ((next == null) && !hasNext()) throw new NoSuchElementException(); Map.Entry e = next; next = null; return e; } @Override public void remove() { hashIterator.remove(); } }; } @Override public boolean isEmpty() { return !(iterator().hasNext()); } @Override public int size() { int j = 0; for (Iterator> i = iterator(); i.hasNext(); i.next()) j++; return j; } @Override public boolean remove(Object o) { processQueue(); if (!(o instanceof Map.Entry)) return false; @SuppressWarnings("unchecked") Map.Entry e = (Map.Entry) o; Object ev = e.getValue(); WeakKey wk = WeakKeyCreate(e.getKey()); Object hv = hash.get(wk); if ((hv == null) ? ((ev == null) && hash.containsKey(wk)) : hv.equals(ev)) { hash.remove(wk); return true; } return false; } @Override public int hashCode() { int h = 0; for (Iterator> i = hashEntrySet.iterator(); i.hasNext(); ) { Map.Entry ent = i.next(); WeakKey wk = ent.getKey(); Object v; if (wk == null) continue; h += (wk.hashCode() ^ (((v = ent.getValue()) == null) ? 0 : v.hashCode())); } return h; } } public Set> entrySet = null; @Override public Set> entrySet() { if (entrySet == null) entrySet = new EntrySet(); return entrySet; } public K findKey(Object key) { processQueue(); K kkey = (K) key; WeakKey wkey = WeakKeyCreate(kkey); WeakKey found = hashMap_findKey(hash, wkey); return found == null ? null : found.get(); } } static public class Either { public byte which; public Object value; public Either() { } public Either(int which, Object value) { this.which = (byte) which; this.value = value; } public boolean isA() { return which == 1; } public boolean isB() { return which == 2; } public A a() { if (which != 1) _failMe(); return (A) value; } public B b() { if (which != 2) _failMe(); return (B) value; } public A aOpt() { return which != 1 ? null : (A) value; } public B bOpt() { return which != 2 ? null : (B) value; } public void _failMe() { throw fail("Either object is of wrong type: " + shortClassName(value)); } public String toString() { return "Either" + (isA() ? "A" : "B") + "(" + value + ")"; } } static abstract public class IterableIterator implements Iterator, Iterable { public Iterator iterator() { return this; } public void remove() { unsupportedOperation(); } } static public class Fail extends RuntimeException implements IFieldsToList { public Object[] objects; public Fail() { } public Fail(Object... objects) { this.objects = objects; } public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + objects + ")"; } public Object[] _fieldsToList() { return new Object[] { objects }; } } static public interface IFieldsToList { public Object[] _fieldsToList(); } static public interface ISetter { public void set(A a); } static public interface IVar extends IF0 { public void set(A a); public A get(); default public boolean has() { return get() != null; } default public void clear() { set(null); } } static public boolean isAbstract(Class c) { return (c.getModifiers() & Modifier.ABSTRACT) != 0; } static public boolean isAbstract(Method m) { return (m.getModifiers() & Modifier.ABSTRACT) != 0; } static public boolean reflection_isForbiddenMethod(Method m) { return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives"); } static public 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 public Field makeAccessible(Field f) { try { f.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, f); } return f; } static public Method makeAccessible(Method m) { try { m.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, m); } return m; } static public Constructor makeAccessible(Constructor c) { try { c.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, c); } return c; } static public Set allInterfacesImplementedBy(Class c) { if (c == null) return null; HashSet set = new HashSet(); allInterfacesImplementedBy_find(c, set); return set; } static public void allInterfacesImplementedBy_find(Class c, Set set) { if (c.isInterface() && !set.add(c)) return; do { for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set); } while ((c = c.getSuperclass()) != null); } static public Method findMethod(Object o, String method, Object... args) { return findMethod_cached(o, method, args); } static public boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static public boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) print("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) { Object arg = args[i]; if (!(arg == null ? !types[i].isPrimitive() : isInstanceX(types[i], arg))) { if (debug) print("Bad parameter " + i + ": " + arg + " vs " + types[i]); return false; } } return true; } static public Method findStaticMethod(Class c, String method, Object... args) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (!m.getName().equals(method)) continue; if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args)) continue; return m; } c = c.getSuperclass(); } return null; } static public boolean findStaticMethod_checkArgs(Method m, Object[] args) { Class[] types = m.getParameterTypes(); if (types.length != args.length) return false; for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) return false; return true; } static public int _hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static public Set> entrySet(Map map) { return _entrySet(map); } static public void put(Map map, A a, B b) { if (map != null) map.put(a, b); } static public void put(List l, int i, A a) { if (l != null && i >= 0 && i < l(l)) l.set(i, a); } static public void remove(List l, int i) { if (l != null && i >= 0 && i < l(l)) l.remove(i); } static public void remove(Collection l, A a) { if (l != null) l.remove(a); } static public B remove(Map map, Object a) { return map == null ? null : map.remove(a); } static public Method hashMap_findKey_method; static public A hashMap_findKey(HashMap map, Object key) { try { if (hashMap_findKey_method == null) hashMap_findKey_method = findMethodNamed(HashMap.class, "getNode"); Map.Entry entry = (Map.Entry) hashMap_findKey_method.invoke(map, hashMap_internalHash(key), key); return entry == null ? null : entry.getKey(); } catch (Exception __e) { throw rethrow(__e); } } static public String b(Object contents, Object... params) { return tag("b", contents, params); } static public 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 public boolean isA(Either e) { return eitherIsA(e); } static public UnsupportedOperationException unsupportedOperation() { throw new UnsupportedOperationException(); } static public String shortClassName_dropNumberPrefix(Object o) { return dropNumberPrefix(shortClassName(o)); } static public A set(A o, String field, Object value) { if (o == null) return null; if (o instanceof Class) set((Class) o, field, value); else try { Field f = set_findField(o.getClass(), field); makeAccessible(f); smartSet(f, o, value); } catch (Exception e) { throw new RuntimeException(e); } return o; } static public void set(Class c, String field, Object value) { if (c == null) return; try { Field f = set_findStaticField(c, field); makeAccessible(f); smartSet(f, null, value); } catch (Exception e) { throw new RuntimeException(e); } } static public Field set_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static public Field set_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static public void set(BitSet bs, int idx) { { if (bs != null) bs.set(idx); } } static public Method findMethod_cached(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { _MethodCache cache = callOpt_getCache((Class) o); List methods = cache.cache.get(method); if (methods != null) for (Method m : methods) if (isStaticMethod(m) && findMethod_checkArgs(m, args, false)) return m; return null; } else { _MethodCache cache = callOpt_getCache(o.getClass()); List methods = cache.cache.get(method); if (methods != null) for (Method m : methods) if (findMethod_checkArgs(m, args, false)) return m; return null; } } catch (Exception __e) { throw rethrow(__e); } } static public Set> _entrySet(Map map) { return map == null ? Collections.EMPTY_SET : map.entrySet(); } static public Method findMethodNamed(Object obj, String method) { if (obj == null) return null; if (obj instanceof Class) return findMethodNamed((Class) obj, method); return findMethodNamed(obj.getClass(), method); } static public Method findMethodNamed(Class c, String method) { while (c != null) { for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method)) { makeAccessible(m); return m; } c = c.getSuperclass(); } return null; } static public int hashMap_internalHash(Object key) { int h; return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16); } static public String tag(String tag) { return htag(tag); } static public String tag(String tag, Object contents, Object... params) { return htag(tag, str(contents), params); } static public String tag(String tag, StringBuilder contents, Object... params) { return htag(tag, contents, params); } static public String tag(String tag, StringBuffer contents, Object... params) { return htag(tag, contents, params); } static public 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 public boolean eitherIsA(Either e) { return e != null && e.isA(); } static public String dropNumberPrefix(String s) { return dropFirst(s, indexOfNonDigit(s)); } static public void smartSet(Field f, Object o, Object value) throws Exception { try { f.set(o, value); } catch (Exception e) { Class type = f.getType(); if (type == int.class && value instanceof Long) { f.set(o, ((Long) value).intValue()); return; } if (type == boolean.class && value instanceof String) { f.set(o, isTrueOrYes(((String) value))); return; } if (type == LinkedHashMap.class && value instanceof Map) { f.set(o, asLinkedHashMap((Map) value)); return; } try { if (f.getType() == Concept.Ref.class) { f.set(o, ((Concept) o).new Ref((Concept) value)); return; } if (o instanceof Concept.Ref) { f.set(o, ((Concept.Ref) o).get()); return; } } catch (Throwable _e) { } throw e; } } static public String htag(String tag) { return htag(tag, ""); } static public String htag(String tag, Object contents, Object... params) { String openingTag = hopeningTag(tag, params); String s = str(contents); if (empty(s) && neqic(tag, "script")) return dropLast(openingTag) + "/>"; return openingTag + s + ""; } static public int lastIndexOf(String a, String b) { return a == null || b == null ? -1 : a.lastIndexOf(b); } static public int lastIndexOf(String a, char b) { return a == null ? -1 : a.lastIndexOf(b); } static public int lastIndexOf(List l, int i, A a) { if (l == null) return -1; for (i = min(l(l), i) - 1; i >= 0; i--) if (eq(l.get(i), a)) return i; return -1; } static public int lastIndexOf(List l, A a) { if (l == null) return -1; for (int i = l(l) - 1; i >= 0; i--) if (eq(l.get(i), a)) return i; return -1; } static public String[] dropFirst(int n, String[] a) { return drop(n, a); } static public String[] dropFirst(String[] a) { return drop(1, a); } static public Object[] dropFirst(Object[] a) { return drop(1, a); } static public List dropFirst(List l) { return dropFirst(1, l); } static public List dropFirst(int n, Iterable i) { return dropFirst(n, toList(i)); } static public List dropFirst(Iterable i) { return dropFirst(toList(i)); } static public List dropFirst(int n, List l) { return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size())); } static public List dropFirst(List l, int n) { return dropFirst(n, l); } static public String dropFirst(int n, String s) { return substring(s, n); } static public String dropFirst(String s, int n) { return substring(s, n); } static public String dropFirst(String s) { return substring(s, 1); } static public int indexOfNonDigit(String s) { int n = l(s); for (int i = 0; i < n; i++) if (!isDigit(s.charAt(i))) return i; return -1; } static public boolean isTrueOrYes(Object o) { return isTrueOpt(o) || o instanceof String && (eqicOneOf(((String) o), "1", "t", "true") || isYes(((String) o))); } static public LinkedHashMap asLinkedHashMap(Map map) { if (map instanceof LinkedHashMap) return (LinkedHashMap) map; LinkedHashMap m = new LinkedHashMap(); if (map != null) synchronized (collectionMutex(map)) { m.putAll(map); } return m; } static public String hopeningTag(String tag, Map params) { return hopeningTag(tag, mapToParams(params)); } static public String hopeningTag(String tag, Object... params) { StringBuilder buf = new StringBuilder(); buf.append("<" + tag); params = unrollParams(params); for (int i = 0; i < l(params); i += 2) { String name = (String) get(params, i); Object val = get(params, i + 1); if (nempty(name) && val != null) { if (eqOneOf(val, html_valueLessParam(), true)) buf.append(" " + name); else { String s = str(val); if (!empty(s)) buf.append(" " + name + "=" + htmlQuote(s)); } } } buf.append(">"); return str(buf); } static public boolean neqic(String a, String b) { return !eqic(a, b); } static public boolean neqic(char a, char b) { return !eqic(a, b); } static public String[] drop(int n, String[] a) { n = Math.min(n, a.length); String[] b = new String[a.length - n]; System.arraycopy(a, n, b, 0, b.length); return b; } static public Object[] drop(int n, Object[] a) { n = Math.min(n, a.length); Object[] b = new Object[a.length - n]; System.arraycopy(a, n, b, 0, b.length); return b; } static public ArrayList toList(A[] a) { return asList(a); } static public ArrayList toList(int[] a) { return asList(a); } static public ArrayList toList(Set s) { return asList(s); } static public ArrayList toList(Iterable s) { return asList(s); } static public boolean isDigit(char c) { return Character.isDigit(c); } static public boolean isTrueOpt(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); return false; } static public boolean isTrueOpt(String field, Object o) { return isTrueOpt(getOpt(field, o)); } static public boolean eqicOneOf(String s, String... l) { for (String x : l) if (eqic(s, x)) return true; return false; } static public List isYes_yesses = litlist("y", "yes", "yeah", "y", "yup", "yo", "corect", "sure", "ok", "afirmative"); static public boolean isYes(String s) { return isYes_yesses.contains(collapseWord(toLowerCase(firstWord2(s)))); } static public Object[] mapToParams(Map map) { return mapToObjectArray(map); } static public Object[] unrollParams(Object[] params) { if (l(params) == 1 && params[0] instanceof Map) return mapToParams((Map) params[0]); return params; } static public Object html_valueLessParam_cache; static public Object html_valueLessParam() { if (html_valueLessParam_cache == null) html_valueLessParam_cache = html_valueLessParam_load(); return html_valueLessParam_cache; } static public Object html_valueLessParam_load() { return new Object(); } static public String htmlQuote(String s) { return "\"" + htmlencode_forParams(s) + "\""; } static public ArrayList litlist(A... a) { ArrayList l = new ArrayList(a.length); for (A x : a) l.add(x); return l; } static public String collapseWord(String s) { if (s == null) return ""; StringBuilder buf = new StringBuilder(); for (int i = 0; i < l(s); i++) if (i == 0 || !charactersEqualIC(s.charAt(i), s.charAt(i - 1))) buf.append(s.charAt(i)); return buf.toString(); } static public List toLowerCase(List strings) { List x = new ArrayList(); for (String s : strings) x.add(s.toLowerCase()); return x; } static public String[] toLowerCase(String[] strings) { String[] x = new String[l(strings)]; for (int i = 0; i < l(strings); i++) x[i] = strings[i].toLowerCase(); return x; } static public String toLowerCase(String s) { return s == null ? "" : s.toLowerCase(); } static public String firstWord2(String s) { s = xltrim(s); if (empty(s)) return ""; if (isLetterOrDigit(first(s))) return takeCharsWhile(__38 -> isLetterOrDigit(__38), s); else return "" + first(s); } static public Object[] mapToObjectArray(Map map) { List l = new ArrayList(); for (Object o : keys(map)) { l.add(o); l.add(map.get(o)); } return toObjectArray(l); } static public Object[] mapToObjectArray(Object f, Collection l) { int n = l(l); Object[] array = new Object[n]; if (n != 0) { Iterator it = iterator(l); for (int i = 0; i < n; i++) array[i] = callF(f, it.next()); } return array; } static public Object[] mapToObjectArray(Object f, Object[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = callF(f, l[i]); return array; } static public Object[] mapToObjectArray(Collection l, IF1 f) { return mapToObjectArray(f, l); } static public Object[] mapToObjectArray(A[] l, IF1 f) { return mapToObjectArray(f, l); } static public Object[] mapToObjectArray(IF1 f, A[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = f.get(l[i]); return array; } static public ThreadLocal htmlencode_forParams_useV2 = new ThreadLocal(); static public String htmlencode_forParams(String s) { if (s == null) return ""; if (isTrue(htmlencode_forParams_useV2.get())) return htmlencode_forParams_v2(s); StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static public boolean charactersEqualIC(char c1, char c2) { if (c1 == c2) return true; char u1 = Character.toUpperCase(c1); char u2 = Character.toUpperCase(c2); if (u1 == u2) return true; return Character.toLowerCase(u1) == Character.toLowerCase(u2); } static public String xltrim(String s) { int i = 0, n = l(s); while (i < n && contains(" \t\r\n", s.charAt(i))) ++i; return substr(s, i); } static public boolean isLetterOrDigit(char c) { return Character.isLetterOrDigit(c); } static public String takeCharsWhile(String s, Object pred) { int i = 0; while (i < l(s) && isTrue(callF(pred, s.charAt(i)))) ++i; return substring(s, 0, i); } static public String takeCharsWhile(IF1 f, String s) { return takeCharsWhile(s, f); } static public Set keys(Map map) { return map == null ? new HashSet() : map.keySet(); } static public Set keys(Object map) { return keys((Map) map); } static public Set keys(MultiSet ms) { return ms.keySet(); } static public Object[] toObjectArray(Collection c) { return toObjectArray((Iterable) c); } static public Object[] toObjectArray(Iterable c) { List l = asList(c); return l.toArray(new Object[l.size()]); } static public String htmlencode_forParams_v2(String s) { if (s == null) return ""; StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static public boolean contains(Collection c, Object o) { return c != null && c.contains(o); } static public boolean contains(Iterable it, Object a) { if (it != null) for (Object o : it) if (eq(a, o)) return true; return false; } static public boolean contains(Object[] x, Object o) { if (x != null) for (Object a : x) if (eq(a, o)) return true; return false; } static public boolean contains(String s, char c) { return s != null && s.indexOf(c) >= 0; } static public boolean contains(String s, String b) { return s != null && s.indexOf(b) >= 0; } static public boolean contains(BitSet bs, int i) { return bs != null && bs.get(i); } static public String substr(String s, int x) { return substring(s, x); } static public String substr(String s, int x, int y) { return substring(s, x, y); } }