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 java.util.function.*; 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 java.awt.geom.*; import javax.imageio.*; import java.math.*; import java.text.NumberFormat; import java.awt.geom.*; import static x30_pkg.x30_util.DynamicObject; import java.util.stream.IntStream; class main { static void benchDescendingIntArraySortingMethods() { benchDescendingIntArraySortingMethods(1000000); } static void benchDescendingIntArraySortingMethods(int n) { int[] a = arrayOfRandomInts(n, predictableRandomizer()); print("Stream negation method"); int[] sorted = benchFor5(() -> IntStream.of(a).map(i -> ~i).sorted().map(i -> ~i).toArray()); print("Negation method"); int[] sorted2 = benchFor5(() -> sortIntArrayInPlaceDesc_crazyNegationAlgorithm(cloneIntArray(a))); print("Reversal method"); int[] sorted3 = benchFor5(() -> sortIntArrayInPlaceDesc(cloneIntArray(a))); printStruct(takeFirst(10, sorted)); printStruct(takeFirst(10, sorted2)); printStruct(takeFirst(10, sorted3)); } static int[] arrayOfRandomInts(int n) { return arrayOfRandomInts(n, defaultRandomizer()); } static int[] arrayOfRandomInts(int n, Random random) { int[] data = new int[n]; for (int i = 0; i < n; i++) data[i] = randomInt(random); return data; } static Random predictableRandomizer() { return predictableRandom(); } static volatile StringBuffer local_log = new StringBuffer(); // not redirected static boolean printAlsoToSystemOut = true; static volatile Appendable print_log = local_log; // might be redirected, e.g. to main bot // in bytes - will cut to half that static volatile int print_log_max = 1024*1024; static volatile int local_log_max = 100*1024; static boolean print_silent = false; // total mute if set static Object print_byThread_lock = new Object(); static volatile ThreadLocal print_byThread; // special handling by thread - prefers F1 static volatile Object print_allThreads; static volatile Object print_preprocess; static void print() { print(""); } static A print(String s, A o) { print(combinePrintParameters(s, o)); return o; } // slightly overblown signature to return original object... static A print(A o) { ping_okInCleanUp(); if (print_silent) return o; String s = o + "\n"; print_noNewLine(s); return o; } static void print_noNewLine(String s) { try { Object f = getThreadLocal(print_byThread_dontCreate()); if (f == null) f = print_allThreads; if (f != null) // We do need the general callF machinery here as print_byThread is sometimes shared between modules 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 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); if (printAlsoToSystemOut) System.out.print(s); vmBus_send("printed", mc(), s); } static void print_autoRotate() { } // returns minimal time needed static long benchFor5(String desc, Runnable r) { return benchFor5Seconds(desc, r); } static long benchFor5(Runnable r) { return benchFor5Seconds(r); } // returns result of function static A benchFor5(IF0 f) { return benchFor5(str(f), f); } static A benchFor5(String desc, IF0 f) { return benchFor5Seconds(desc, f); } static int[] sortIntArrayInPlaceDesc_crazyNegationAlgorithm(int[] a) { if (a == null) return null; for (int i = 0; i < a.length; i++) a[i] = ~a[i]; Arrays.sort(a); for (int i = 0; i < a.length; i++) a[i] = ~a[i]; return a; } static int[] cloneIntArray(int[] a) { if (a == null) return null; int[] b = new int[a.length]; System.arraycopy(a, 0, b, 0, a.length); return b; } static int[] sortIntArrayInPlaceDesc(int[] a) { if (a == null) return null; Arrays.sort(a); reverseIntArrayInPlace(a); return a; } static A printStruct(String prefix, A a) { printStructure(prefix, a); return a; } static A printStruct(A a) { printStructure(a); return a; } static List takeFirst(List l, int n) { return l(l) <= n ? l : newSubListOrSame(l, 0, n); } static List takeFirst(int n, List l) { return takeFirst(l, n); } static String takeFirst(int n, String s) { return substring(s, 0, n); } static String takeFirst(String s, int n) { return substring(s, 0, n); } static CharSequence takeFirst(int n, CharSequence s) { return subCharSequence(s, 0, n); } static List takeFirst(int n, Iterator it) { if (it == null) return null; List l = new ArrayList(); for (int _repeat_0 = 0; _repeat_0 < n; _repeat_0++) { if (it.hasNext()) l.add(it.next()); else break; } return l; } static List takeFirst(int n, Iterable i) { if (i == null) return null; return i == null ? null : takeFirst(n, i.iterator()); } static List takeFirst(int n, IterableIterator i) { return takeFirst(n, (Iterator) i); } static int[] takeFirst(int n, int[] a) { return takeFirstOfIntArray(n, a); } static short[] takeFirst(int n, short[] a) { return takeFirstOfShortArray(n, a); } static byte[] takeFirst(int n, byte[] a) { return takeFirstOfByteArray(n, a); } static byte[] takeFirst(byte[] a, int n) { return takeFirstOfByteArray(n, a); } static double[] takeFirst(int n, double[] a) { return takeFirstOfDoubleArray(n, a); } static double[] takeFirst(double[] a, int n) { return takeFirstOfDoubleArray(n, a); } static AutoCloseable tempInterceptPrintIfNotIntercepted(F1 f) { return print_byThread().get() == null ? tempInterceptPrint(f) : null; } static Random defaultRandomizer() { return defaultRandomGenerator(); } static int randomInt() { return randomInt(null); } static int randomInt(Random random) { return getRandomizer(random).nextInt(); } // return value between 0 and n-1 static int randomInt(int n) { return randomInt(null, n); } static int randomInt(Random random, int n) { return random(random, n); } static Random predictableRandom() { return new Random(0); } static String combinePrintParameters(String s, Object o) { return (endsWithLetterOrDigit(s) ? s + ": " : s) + o; } static void ping_okInCleanUp() { if (ping_pauseAll || ping_anyActions) ping_impl(true); } // this syntax should be removed... static Object getThreadLocal(Object o, String name) { ThreadLocal t = (ThreadLocal) (getOpt(o, name)); return t != null ? t.get() : null; } static A getThreadLocal(ThreadLocal tl) { return tl == null ? null : tl.get(); } static A getThreadLocal(ThreadLocal tl, A defaultValue) { return or(getThreadLocal(tl), defaultValue); } static ThreadLocal print_byThread_dontCreate() { return print_byThread; } static boolean isFalse(Object o) { return eq(false, o); } static Map> callF_cache = newDangerousWeakHashMap(); 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 A callF(IF0 f) { return f == null ? null : f.get(); } static B callF(IF1 f, A a) { return f == null ? null : f.get(a); } static B callF(A a, IF1 f) { return f == null ? null : f.get(a); } static C callF(IF2 f, A a, B b) { return f == null ? null : f.get(a, b); } static void callF(VF1 f, A a) { if (f != null) f.get(a); } static void callF(A a, IVF1 f) { if (f != null) f.get(a); } static void callF(IVF1 f, A a) { if (f != null) f.get(a); } static Object callF(Runnable r) { { if (r != null) r.run(); } return null; } static Object callF(Object f, Object... args) { return safeCallF(f, args); } static Object safeCallF(Object f, Object... 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) { if (f instanceof String) throw fail("Legacy call: " + f); throw fail("No get method in " + getClassName(c)); } if (n == 1) return invokeMethod(methods.get(0), f, args); for (int i = 0; i < n; i++) { Method m = methods.get(i); if (call_checkArgs(m, args, false)) return invokeMethod(m, f, args); } throw fail("No matching get method in " + getClassName(c)); } // 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")) { makeAccessible(m); l.add(m); } if (!l.isEmpty()) break; _c = _c.getSuperclass(); } while (_c != null); callF_cache.put(c, l); return l; } static String getStackTrace(Throwable throwable) { lastException(throwable); return getStackTrace_noRecord(throwable); } static String getStackTrace_noRecord(Throwable throwable) { StringWriter writer = new StringWriter(); throwable.printStackTrace(new PrintWriter(writer)); return hideCredentials(writer.toString()); } static String getStackTrace() { return getStackTrace_noRecord(new Throwable()); } static String getStackTrace(String msg) { return getStackTrace_noRecord(new Throwable(msg)); } static 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 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 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 void vmBus_send(String msg) { vmBus_send(msg, (Object) null); } static Class mc() { return main.class; } // returns minimal time needed (nanos) static long benchFor5Seconds(String desc, Runnable r) { return benchForNSeconds(desc, r, 5); } static long benchFor5Seconds(Runnable r) { return benchFor5Seconds(str(r), r); } // returns result of function static A benchFor5Seconds(IF0 f) { return benchFor5Seconds(str(f), f); } static A benchFor5Seconds(String desc, IF0 f) { benchFor5Seconds(new Runnable() { public void run() { try { f.get() ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "f!"; }}); return f.get(); } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static String str(char[] c, int offset, int count) { return new String(c, offset, count); } static int[] reverseIntArrayInPlace(int[] a) { if (a == null) return null; for (int i = 0; i < a.length/2; i++) { int temp = a[i]; a[i] = a[a.length-1-i]; a[a.length-1-i] = temp; } return a; } static A printStructure(String prefix, A o) { if (endsWithLetter(prefix)) prefix += ": "; print(prefix + structureForUser(o)); return o; } static A printStructure(A o) { print(structureForUser(o)); return o; } 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(short[] a) { return a == null ? 0 : a.length; } static int l(long[] 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(double[] 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(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible 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(IMultiMap mm) { return mm == null ? 0 : mm.size(); } static List newSubListOrSame(List l, int startIndex) { return newSubListOrSame(l, startIndex, l(l)); } static List newSubListOrSame(List l, int startIndex, int endIndex) { if (l == null) return null; int n = l(l); startIndex = max(0, startIndex); endIndex = min(n, endIndex); if (startIndex >= endIndex) return ll(); if (startIndex == 0 && endIndex == n) return l; return cloneList(l.subList(startIndex, endIndex)); } static String substring(String s, int x) { return substring(s, x, strL(s)); } static 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); } // convenience method for quickly dropping a prefix static String substring(String s, CharSequence l) { return substring(s, lCharSequence(l)); } static CharSequence subCharSequence(CharSequence s, int x) { return subCharSequence(s, x, s == null ? 0 : s.length()); } static CharSequence subCharSequence(CharSequence 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.subSequence(x, y); } static int[] takeFirstOfIntArray(int[] b, int n) { return subIntArray(b, 0, n); } static int[] takeFirstOfIntArray(int n, int[] b) { return takeFirstOfIntArray(b, n); } static short[] takeFirstOfShortArray(short[] b, int n) { return subShortArray(b, 0, n); } static short[] takeFirstOfShortArray(int n, short[] b) { return takeFirstOfShortArray(b, n); } static byte[] takeFirstOfByteArray(byte[] b, int n) { return subByteArray(b, 0, n); } static byte[] takeFirstOfByteArray(int n, byte[] b) { return takeFirstOfByteArray(b, n); } static double[] takeFirstOfDoubleArray(double[] b, int n) { return subDoubleArray(b, 0, n); } static double[] takeFirstOfDoubleArray(int n, double[] b) { return takeFirstOfDoubleArray(b, n); } static ThreadLocal print_byThread() { synchronized(print_byThread_lock) { if (print_byThread == null) print_byThread = new ThreadLocal(); } return print_byThread; } // f can return false to suppress regular printing // call print_raw within f to actually print something static AutoCloseable tempInterceptPrint(F1 f) { return tempSetThreadLocal(print_byThread(), f); } static Random defaultRandomGenerator() { { Random r = customRandomizerForThisThread(); if (r != null) return r; } return ThreadLocalRandom.current(); } static Random getRandomizer(Random r) { return r != null ? r : defaultRandomGenerator(); } static int random(int n) { return random(n, defaultRandomGenerator()); } static int random(int n, Random r) { return random(r, n); } static int random(Random r, int n) { return n <= 0 ? 0 : getRandomizer(r).nextInt(n); } static double random(double max) { return random()*max; } static double random() { return defaultRandomGenerator().nextInt(100001)/100000.0; } static double random(double min, double max) { return min+random()*(max-min); } // min <= value < max static int random(int min, int max) { return min+random(max-min); } static int random(int min, int max, Random r) { return random(r, min, max); } static int random(Random r, int min, int max) { return min+random(r, max-min); } static A random(List l) { return oneOf(l); } static A random(Collection c) { if (c instanceof List) return random((List) c); int i = random(l(c)); return collectionGet(c, i); } static Pair random(Map map) { return entryToPair(random(entries(map))); } static boolean endsWithLetterOrDigit(String s) { return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1)); } //sbool ping_actions_shareable = true; static volatile boolean ping_pauseAll = false; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions = false; static Map ping_actions = newWeakHashMap(); static ThreadLocal ping_isCleanUpThread = new ThreadLocal(); // always returns true static boolean ping() { //ifdef useNewPing newPing(); //endifdef if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */); //ifndef LeanMode ping_impl(); endifndef return true; } // returns true when it slept static boolean ping_impl(boolean okInCleanUp) { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { // don't allow sharing ping_actions 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 Object getOpt(Object o, String field) { return getOpt_cached(o, field); } static Object getOpt(String field, Object o) { 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; makeAccessible(f); return f.get(o); } catch (Exception __e) { throw rethrow(__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; makeAccessible(f); return f.get(null); } catch (Exception __e) { throw rethrow(__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 A or(A a, A b) { return a != null ? a : b; } static boolean eq(Object a, Object b) { return a == b || a != null && b != null && a.equals(b); } // a little kludge for stuff like eq(symbol, "$X") static boolean eq(Symbol a, String b) { return eq(str(a), b); } static Map newDangerousWeakHashMap() { return _registerDangerousWeakMap(synchroMap(new WeakHashMap())); } // initFunction: voidfunc(Map) - is called initially, and after clearing the map static Map newDangerousWeakHashMap(Object initFunction) { return _registerDangerousWeakMap(synchroMap(new WeakHashMap()), initFunction); } 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(Object... objects) { throw new Fail(objects); } static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); } static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); } static String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } static Object invokeMethod(Method m, Object o, Object... args) { try { try { return m.invoke(o, args); } catch (InvocationTargetException e) { throw rethrow(getExceptionCause(e)); } catch (IllegalArgumentException e) { throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args))); } } catch (Exception __e) { throw rethrow(__e); } } static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != l(args)) { 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 Field makeAccessible(Field f) { try { f.setAccessible(true); } catch (Throwable e) { // Note: The error reporting only works with Java VM option --illegal-access=deny vmBus_send("makeAccessible_error", e, f); } return f; } static Method makeAccessible(Method m) { try { m.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, m); } return m; } static Constructor makeAccessible(Constructor c) { try { c.setAccessible(true); } catch (Throwable e) { vmBus_send("makeAccessible_error", e, c); } return c; } // PersistableThrowable doesn't hold GC-disturbing class references in backtrace static volatile PersistableThrowable lastException_lastException; static PersistableThrowable lastException() { return lastException_lastException; } static void lastException(Throwable e) { lastException_lastException = persistableThrowable(e); } static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); } static 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 String hideCredentials(Object o) { return hideCredentials(str(o)); } static int indexOf(List l, A a, int startIndex) { if (l == null) return -1; int n = l(l); for (int i = startIndex; i < n; i++) if (eq(l.get(i), a)) return i; return -1; } static int indexOf(List l, int startIndex, A a) { return indexOf(l, a, startIndex); } static int indexOf(List l, A a) { if (l == null) return -1; return l.indexOf(a); } static int indexOf(String a, String b) { return a == null || b == null ? -1 : a.indexOf(b); } static int indexOf(String a, String b, int i) { return a == null || b == null ? -1 : a.indexOf(b, i); } static int indexOf(String a, char b) { return a == null ? -1 : a.indexOf(b); } static int indexOf(String a, int i, char b) { return indexOf(a, b, i); } static int indexOf(String a, char b, int i) { return a == null ? -1 : a.indexOf(b, i); } static int indexOf(String a, int i, String b) { return a == null || b == null ? -1 : a.indexOf(b, i); } static int indexOf(A[] x, A a) { int n = l(x); for (int i = 0; i < n; i++) if (eq(x[i], a)) return i; return -1; } static int indexOf(Iterable l, A a) { if (l == null) return -1; int i = 0; for (A x : l) { if (eq(x, a)) return i; i++; } return -1; } static 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 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 RuntimeException rethrow(Throwable t) { if (t instanceof Error) _handleError((Error) t); throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static RuntimeException rethrow(String msg, Throwable t) { throw new RuntimeException(msg, t); } static Object vmBus_wrapArgs(Object... args) { return empty(args) ? null : l(args) == 1 ? args[0] : args; } static void pcallFAll_minimalExceptionHandling(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) { ping(); pcallF_minimalExceptionHandling(f, args); } } static void pcallFAll_minimalExceptionHandling(Iterator it, Object... args) { while (it.hasNext()) { ping(); pcallF_minimalExceptionHandling(it.next(), args); } } static Set vm_busListeners_live_cache; static Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache;} static Set vm_busListeners_live_load() { return vm_generalIdentityHashSet("busListeners"); } static Map vm_busListenersByMessage_live_cache; static Map vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache;} static Map vm_busListenersByMessage_live_load() { return vm_generalHashMap("busListenersByMessage"); } // returns result of function static A benchForNSeconds(double n, IF0 f) { return benchForNSeconds(n, str(f), f); } static A benchForNSeconds(double n, String desc, IF0 f) { benchForNSeconds(new Runnable() { public void run() { try { f.get() ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "f!"; }}, n); return f.get(); } // returns minimal time needed static long benchForNSeconds(Runnable r, double n) { return benchForNSeconds(str(r), r, n); } static long benchForNSeconds(String desc, Runnable r, double n) { long start = sysNow(), min = -1, print = sysNow(); int seconds = 1; long count = 0, sum = 0; while (seconds <= n) { long time = nanos(); r.run(); ++count; time = nanos()-time; min = min < 0 ? time : min(min, time); sum += time; double avg = doubleRatio(sum, count); if (sysNow() >= start+seconds*1000) { printAndSetConsoleTitleIfMain( "avg=" + formatDouble(nanosToMS(avg), 3) + " ms, " + "min=" + formatDouble(nanosToMS(min), 3) + " ms: " + desc + " (" + seconds + "/" + n + " s, last=" + formatDouble(nanosToMS(time), 3) + " ms, " + n2(count) + "/s)"); ++seconds; count = sum = 0; } } return min; } static boolean endsWithLetter(String s) { return nempty(s) && isLetter(last(s)); } static String structureForUser(Object o) { return beautifyStructure(struct_noStringSharing(o)); } static int iteratorCount_int_close(Iterator i) { try { int n = 0; if (i != null) while (i.hasNext()) { i.next(); ++n; } if (i instanceof AutoCloseable) ((AutoCloseable) i).close(); return n; } catch (Exception __e) { throw rethrow(__e); } } static int max(int a, int b) { return Math.max(a, b); } static int max(int a, int b, int c) { return max(max(a, b), c); } static long max(int a, long b) { return Math.max((long) a, b); } static long max(long a, long b) { return Math.max(a, b); } static double max(int a, double b) { return Math.max((double) a, b); } static float max(float a, float b) { return Math.max(a, b); } static double max(double a, double b) { return Math.max(a, b); } static int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); return x; } static double max(double[] c) { if (c.length == 0) return Double.MIN_VALUE; double x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static float max(float[] c) { if (c.length == 0) return Float.MAX_VALUE; float x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static byte max(byte[] c) { byte x = -128; for (byte d : c) if (d > x) x = d; return x; } static short max(short[] c) { short x = -0x8000; for (short d : c) if (d > x) x = d; return x; } static int max(int[] c) { int x = Integer.MIN_VALUE; for (int d : c) if (d > x) x = d; return x; } static > A max(A a, A b) { return cmp(a, b) >= 0 ? a : b; } static int min(int a, int b) { return Math.min(a, b); } static long min(long a, long b) { return Math.min(a, b); } static float min(float a, float b) { return Math.min(a, b); } static float min(float a, float b, float c) { return min(min(a, b), c); } static double min(double a, double b) { return Math.min(a, b); } static double min(double[] c) { double x = Double.MAX_VALUE; for (double d : c) x = Math.min(x, d); return x; } static float min(float[] c) { float x = Float.MAX_VALUE; for (float d : c) x = Math.min(x, d); return x; } static byte min(byte[] c) { byte x = 127; for (byte d : c) if (d < x) x = d; return x; } static short min(short[] c) { short x = 0x7FFF; for (short d : c) if (d < x) x = d; return x; } static int min(int[] c) { int x = Integer.MAX_VALUE; for (int d : c) if (d < x) x = d; return x; } static List ll(A... a) { ArrayList l = new ArrayList(a.length); if (a != null) for (A x : a) l.add(x); return l; } static ArrayList cloneList(Iterable l) { return l instanceof Collection ? cloneList((Collection) l) : asList(l); } static ArrayList cloneList(Collection l) { if (l == null) return new ArrayList(); synchronized(collectionMutex(l)) { return new ArrayList(l); } } static int strL(String s) { return s == null ? 0 : s.length(); } static int lCharSequence(CharSequence s) { return s == null ? 0 : s.length(); } static int[] subIntArray(int[] b, int start) { return subIntArray(b, start, l(b)); } static int[] subIntArray(int[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start == 0 && end == l(b)) return b; if (start >= end) return new int[0]; int[] x = new int[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static short[] subShortArray(short[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start == 0 && end == l(b)) return b; if (start >= end) return new short[0]; short[] x = new short[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static byte[] subByteArray(byte[] b, int start) { return subByteArray(b, start, l(b)); } static byte[] subByteArray(byte[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start == 0 && end == l(b)) return b; if (start >= end) return new byte[0]; byte[] x = new byte[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static double[] subDoubleArray(double[] b, int start) { return subDoubleArray(b, start, l(b)); } static double[] subDoubleArray(double[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start == 0 && end == l(b)) return b; if (start >= end) return new double[0]; double[] x = new double[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static 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 Random customRandomizerForThisThread() { return customRandomizerForThisThread_tl().get(); } static A oneOf(List l) { if (empty(l)) return null; int n = l.size(); return n == 1 ? first(l) : l.get(defaultRandomizer().nextInt(n)); } static char oneOf(String s) { return empty(s) ? '?' : s.charAt(random(l(s))); } static String oneOf(String... l) { return oneOf(asList(l)); } static A collectionGet(Collection c, int idx) { if (c == null || idx < 0 || idx >= l(c)) return null; if (c instanceof List) return listGet((List) c, idx); Iterator it = c.iterator(); for (int i = 0; i < idx; i++) if (it.hasNext()) it.next(); else return null; return it.hasNext() ? it.next() : null; } static Pair entryToPair(Map.Entry e) { return mapEntryToPair(e); } static Set> entries(Map map) { return _entrySet(map); } static Map newWeakHashMap() { return _registerWeakMap(synchroMap(new WeakHashMap())); } static void newPing() { var tl = newPing_actionTL(); Runnable action = tl == null ? null : tl.get(); { if (action != null) action.run(); } } // 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 boolean isTrue(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); if (o == null) return false; if (o instanceof ThreadLocal) // TODO: remove this return isTrue(((ThreadLocal) o).get()); throw fail(getClassName(o)); } static boolean isTrue(Boolean b) { return b != null && b.booleanValue(); } static void failIfUnlicensed() { assertTrue("license off", licensed()); } static Thread currentThread() { return Thread.currentThread(); } //static final Map> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init); static class getOpt_Map extends WeakHashMap { getOpt_Map() { if (getOpt_special == null) getOpt_special = new HashMap(); clear(); } public void clear() { super.clear(); //print("getOpt clear"); put(Class.class, getOpt_special); put(String.class, getOpt_special); } } static final Map> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map())); //static final Map> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map)); static HashMap getOpt_special; // just a marker /*static void getOpt_special_init(Map map) { map.put(Class.class, getOpt_special); map.put(S.class, getOpt_special); }*/ static Map getOpt_getFieldMap(Object o) { Class c = _getClass(o); HashMap map = getOpt_cache.get(c); if (map == null) map = getOpt_makeCache(c); return map; } static Object getOpt_cached(Object o, String field) { try { if (o == null) return null; Map map = getOpt_getFieldMap(o); 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 syncMapGet2(((DynamicObject) o).fieldValues, 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(); if (!reflection_classesNotToScan().contains(c.getName())) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) { makeAccessible(f); String name = f.getName(); if (!map.containsKey(name)) map.put(name, f); } _c = _c.getSuperclass(); } while (_c != null); } } if (getOpt_cache != null) getOpt_cache.put(c, map); return map; } 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 List _registerDangerousWeakMap_preList; static A _registerDangerousWeakMap(A map) { return _registerDangerousWeakMap(map, null); } static A _registerDangerousWeakMap(A map, Object init) { callF(init, map); if (init instanceof String) { final String f = (String) init; init = new VF1() { public void get(Map map) { try { callMC(f, map) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callMC(f, map)"; }}; } if (javax() == null) { // We're in class init if (_registerDangerousWeakMap_preList == null) _registerDangerousWeakMap_preList = synchroList(); _registerDangerousWeakMap_preList.add(pair(map, init)); return map; } call(javax(), "_registerDangerousWeakMap", map, init); return map; } static void _onLoad_registerDangerousWeakMap() { assertNotNull(javax()); if (_registerDangerousWeakMap_preList == null) return; for (Pair p : _registerDangerousWeakMap_preList) _registerDangerousWeakMap(p.a, p.b); _registerDangerousWeakMap_preList = null; } static Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } static RuntimeException asRuntimeException(Throwable t) { if (t instanceof Error) _handleError((Error) t); return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static Throwable getExceptionCause(Throwable e) { Throwable c = e.getCause(); return c != null ? c : e; } static String joinWithSpace(Iterable c) { return join(" ", c); } static String joinWithSpace(String... c) { return join(" ", c); } static List classNames(Collection l) { return getClassNames(l); } static List classNames(Object[] l) { return getClassNames(asList(l)); } 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 PersistableThrowable persistableThrowable(Throwable e) { return e == null ? null : new PersistableThrowable(e); } static boolean startsWithOneOf(String s, String... l) { for (String x : l) if (startsWith(s, x)) return true; return false; } static boolean startsWithOneOf(String s, Matches m, String... l) { for (String x : l) if (startsWith(s, x, m)) return true; return false; } static boolean isAGIBlueDomain(String domain) { return domainIsUnder(domain, theAGIBlueDomain()); } static String hostNameFromURL(String url) { try { return empty(url) ? null : new URL(url).getHost(); } catch (Exception __e) { throw rethrow(__e); } } static void _handleError(Error e) { //call(javax(), '_handleError, e); } static boolean empty(Collection c) { return c == null || c.isEmpty(); } static boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); } static boolean empty(CharSequence 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(BitSet bs) { return bs == null || bs.isEmpty(); } static boolean empty(Object o) { if (o instanceof Collection) return empty((Collection) o); if (o instanceof String) return empty((String) o); if (o instanceof Map) return empty((Map) o); 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 boolean empty(Iterator i) { return i == null || !i.hasNext(); } static boolean empty(double[] a) { return a == null || a.length == 0; } 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 boolean empty(byte[] a) { return a == null || a.length == 0; } static boolean empty(short[] a) { return a == null || a.length == 0; } static boolean empty(IMultiMap mm) { return mm == null || mm.size() == 0; } static boolean empty(File f) { return getFileSize(f) == 0; } static boolean empty(Rect r) { return !(r != null && r.w != 0 && r.h != 0); } static 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 Set vm_generalIdentityHashSet(Object name) { synchronized(vm_generalMap()) { Set set = (Set) (vm_generalMap_get(name)); if (set == null) vm_generalMap_put(name, set = syncIdentityHashSet()); return set; } } static Map vm_generalHashMap(Object name) { synchronized(vm_generalMap()) { Map m = (Map) (vm_generalMap_get(name)); if (m == null) vm_generalMap_put(name, m = syncHashMap()); return m; } } static long sysNow() { ping(); return System.nanoTime()/1000000; } static long nanos() { return nanoTime(); } static double doubleRatio(double x, double y) { return y == 0 ? 0 : x/y; } static void printAndSetConsoleTitleIfMain(String s) { print(s); if (isMain()) consoleTitle(s); } static String formatDouble(double d, int digits) { String format = digits <= 0 ? "0" : "0." + rep(digits, '#'); return decimalFormatEnglish(format, d); } static String formatDouble(double d) { return str(d); } static double nanosToMS(double nanoseconds) { return nsToMS(nanoseconds); } static String n2(long l) { return formatWithThousands(l); } static String n2(AtomicLong l) { return n2(l.get()); } static String n2(Collection l) { return n2(l(l)); } static String n2(Map map) { return n2(l(map)); } static String n2(double l, String singular) { return empty(singular) ? str(l) : n2(l, singular, singular + "s"); } static String n2(double l, String singular, String plural) { if (fraction(l) == 0) return n2((long) l, singular, plural); else return l + " " + plural; } static String n2(long l, String singular, String plural) { return n_fancy2(l, singular, plural); } static String n2(long l, String singular) { return empty(singular) ? n2(l) : n_fancy2(l, singular, singular + "s"); } static String n2(Collection l, String singular) { return n2(l(l), singular); } static String n2(Collection l, String singular, String plural) { return n_fancy2(l, singular, plural); } static String n2(Map m, String singular, String plural) { return n_fancy2(m, singular, plural); } static String n2(Map m, String singular) { return n2(l(m), singular); } static String n2(long[] a, String singular) { return n2(l(a), singular); } static String n2(Object[] a, String singular) { return n2(l(a), singular); } static String n2(Object[] a, String singular, String plural) { return n_fancy2(a, singular, plural); } static String n2(IMultiMap mm, String singular) { return n2(mm, singular, singular + "s"); } static String n2(IMultiMap mm, String singular, String plural) { return n_fancy2(l(mm), singular, plural); } static boolean nempty(Collection c) { return !empty(c); } static boolean nempty(CharSequence s) { return !empty(s); } static boolean nempty(Object[] o) { return !empty(o); } static boolean nempty(byte[] o) { return !empty(o); } static boolean nempty(int[] o) { return !empty(o); } static boolean nempty(BitSet bs) { return !empty(bs); } static boolean nempty(Map m) { return !empty(m); } static boolean nempty(Iterator i) { return i != null && i.hasNext(); } static boolean nempty(IMultiMap mm) { return mm != null && mm.size() != 0; } static boolean nempty(Object o) { return !empty(o); } static boolean nempty(Rect r) { return r != null && r.w != 0 && r.h != 0; } static boolean isLetter(char c) { return Character.isLetter(c); } 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 byte last(byte[] a) { return l(a) != 0 ? a[l(a)-1] : 0; } static int last(int[] a) { return l(a) != 0 ? a[l(a)-1] : 0; } static double last(double[] a) { return l(a) != 0 ? a[l(a)-1] : 0; } static A last(A[] a) { return l(a) != 0 ? a[l(a)-1] : null; } static A last(Iterator it) { A a = null; while (it.hasNext()) { ping(); a = it.next(); } return a; } static 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 A last(SortedSet l) { return l == null ? null : l.last(); } static String beautifyStructure(String s) { List tok = javaTokForStructure(s); structure_addTokenMarkers(tok); jreplace(tok, "lhm", ""); return join(tok); } static String struct_noStringSharing(Object o) { structure_Data d = new structure_Data(); d.noStringSharing = true; return structure(o, d); } 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(int a, int b) { return a < b ? -1 : a == b ? 0 : 1; } static int cmp(long a, long b) { return a < b ? -1 : a == b ? 0 : 1; } 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); } // unclear semantics as to whether return null on null static ArrayList asList(A[] a) { return a == null ? new ArrayList() : new ArrayList(Arrays.asList(a)); } static ArrayList asList(int[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (int i : a) l.add(i); return l; } static ArrayList asList(long[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (long i : a) l.add(i); return l; } static ArrayList asList(float[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (float i : a) l.add(i); return l; } static ArrayList asList(double[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (double i : a) l.add(i); return l; } static ArrayList asList(short[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (short i : a) l.add(i); return l; } static ArrayList asList(Iterator it) { ArrayList l = new ArrayList(); if (it != null) while (it.hasNext()) l.add(it.next()); return l; } // disambiguation static ArrayList asList(IterableIterator s) { return asList((Iterator) s); } 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 List asList(Pair p) { return p == null ? null : ll(p.a, p.b); } // TODO: JDK 17!! ?? No! Yes? Yes!! static Object collectionMutex(List l) { return l; } static Object collectionMutex(Object o) { if (o instanceof List) return o; // TODO: actually use our own maps so we can get the mutex properly String c = className(o); return o; } static A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static ThreadLocal customRandomizerForThisThread_tl = new ThreadLocal(); static ThreadLocal customRandomizerForThisThread_tl() { return customRandomizerForThisThread_tl; } static Object first(Object list) { return first((Iterable) list); } 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 Pair first(Map map) { return mapEntryToPair(first(entrySet(map))); } static Pair first(MultiMap mm) { if (mm == null) return null; var e = first(mm.data.entrySet()); if (e == null) return null; return pair(e.getKey(), first(e.getValue())); } static A first(IterableIterator i) { return first((Iterator) i); } static A first(Iterator i) { return i == null || !i.hasNext() ? null : i.next(); } 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 Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); } static A first(Pair p) { return p == null ? null : p.a; } static Byte first(byte[] l) { return empty(l) ? null : l[0]; } static A first(A[] l, IF1 pred) { return firstThat(l, pred); } static A first(Iterable l, IF1 pred) { return firstThat(l, pred); } static A first(IF1 pred, Iterable l) { return firstThat(pred, l); } static A listGet(List l, int idx) { return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null; } static Pair mapEntryToPair(Map.Entry e) { return e == null ? null : pair(e.getKey(), e.getValue()); } static Set> _entrySet(Map map) { return map == null ? Collections.EMPTY_SET : map.entrySet(); } 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 x30_pkg.x30_util.BetterThreadLocal newPing_actionTL; static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL() { if (newPing_actionTL == null) newPing_actionTL = vm_generalMap_getOrCreate("newPing_actionTL", () -> { Runnable value = (Runnable) (callF_gen(vm_generalMap_get("newPing_valueForNewThread"))); var tl = new x30_pkg.x30_util.BetterThreadLocal(); tl.set(value); return tl; }); return newPing_actionTL; } 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 Boolean isHeadless_cache; static boolean isHeadless() { if (isHeadless_cache != null) return isHeadless_cache; if (isAndroid()) return isHeadless_cache = true; 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 void assertTrue(Object o) { if (!(eq(o, true) /*|| isTrue(pcallF(o))*/)) throw fail(str(o)); } static boolean assertTrue(String msg, boolean b) { if (!b) throw fail(msg); return b; } static boolean assertTrue(boolean b) { if (!b) throw fail("oops"); return b; } static volatile boolean licensed_yes = true; static boolean licensed() { if (!licensed_yes) return false; ping_okInCleanUp(); return true; } static void licensed_off() { licensed_yes = false; } static void clear(Collection c) { if (c != null) c.clear(); } static void clear(Map map) { if (map != null) map.clear(); } static void put(Map map, A a, B b) { if (map != null) map.put(a, b); } static void put(List l, int i, A a) { if (l != null && i >= 0 && i < l(l)) l.set(i, a); } static Class _getClass(String name) { try { return Class.forName(name); } catch (ClassNotFoundException e) { return null; // could optimize this } } static Class _getClass(Object o) { return o == null ? null : o instanceof Class ? (Class) o : o.getClass(); } static Class _getClass(Object realm, String name) { try { return classLoaderForObject(realm).loadClass(classNameToVM(name)); } catch (ClassNotFoundException e) { return null; // could optimize this } } static B syncMapGet2(Map map, A a) { if (map == null) return null; synchronized(collectionMutex(map)) { return map.get(a); } } static B syncMapGet2(A a, Map map) { return syncMapGet2(map, a); } static boolean isSubtypeOf(Class a, Class b) { return a != null && b != null && b.isAssignableFrom(a); // << always hated that method, let's replace it! } static Set reflection_classesNotToScan_value = litset( "jdk.internal.loader.URLClassPath" ); static Set reflection_classesNotToScan() { return reflection_classesNotToScan_value; } static HashMap> callMC_cache = new HashMap(); static String callMC_key; static Method callMC_value; // varargs assignment fixer for a single string array argument static Object callMC(String method, String[] arg) { return callMC(method, new Object[] {arg}); } static Object callMC(String method, Object... args) { try { Method me; if (callMC_cache == null) callMC_cache = new HashMap(); // initializer time workaround synchronized(callMC_cache) { me = method == callMC_key ? callMC_value : null; } if (me != null) try { return invokeMethod(me, null, args); } catch (IllegalArgumentException e) { throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e); } List m; synchronized(callMC_cache) { m = callMC_cache.get(method); } if (m == null) { if (callMC_cache.isEmpty()) { callMC_makeCache(); m = callMC_cache.get(method); } if (m == null) throw fail("Method named " + method + " not found in main"); } int n = m.size(); if (n == 1) { me = m.get(0); synchronized(callMC_cache) { callMC_key = method; callMC_value = me; } try { return invokeMethod(me, null, args); } catch (IllegalArgumentException e) { throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e); } } for (int i = 0; i < n; i++) { me = m.get(i); if (call_checkArgs(me, args, false)) return invokeMethod(me, null, args); } throw fail("No method called " + method + " with arguments (" + joinWithComma(getClasses(args)) + ") 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) { makeAccessible(m); multiMapPut(callMC_cache, m.getName(), m); } c = c.getSuperclass(); } } } static Class javax() { return getJavaX(); } static List synchroList() { return synchroList(new ArrayList()); } static List synchroList(List l) { return Collections.synchronizedList(l); } static Pair pair(A a, B b) { return new Pair(a, b); } static Pair pair(A a) { return new Pair(a, a); } static Object call(Object o) { return callF(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) { //ret call_cached(o, method, args); return call_withVarargs(o, method, args); } static A assertNotNull(A a) { assertTrue(a != null); return a; } static A assertNotNull(String msg, A a) { assertTrue(msg, a != null); return a; } static Map synchroHashMap() { return synchronizedMap(new HashMap()); } 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)); } public static String join(String glue, Object... strings) { return join(glue, Arrays.asList(strings)); } static String join(Iterable strings) { return join("", strings); } static String join(Iterable strings, String glue) { return join(glue, strings); } public static String join(String[] strings) { return join("", strings); } static String join(String glue, Pair p) { return p == null ? "" : str(p.a) + glue + str(p.b); } static 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 boolean startsWith(String a, String b) { return a != null && a.startsWith(unnull(b)); } static boolean startsWith(String a, char c) { return nemptyString(a) && a.charAt(0) == c; } static 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 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 boolean domainIsUnder(String domain, String mainDomain) { return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain); } static String theAGIBlueDomain() { return "agi.blue"; } static String getType(Object o) { return getClassName(o); } static long getFileSize(String path) { return path == null ? 0 : new File(path).length(); } static long getFileSize(File f) { return f == null ? 0 : f.length(); } static Object callFunction(Object f, Object... args) { return callF(f, args); } static Throwable _storeException_value; static void _storeException(Throwable e) { _storeException_value = e; } static Map vm_generalMap_map; static Map vm_generalMap() { if (vm_generalMap_map == null) vm_generalMap_map = (Map) get(javax(), "generalMap"); return vm_generalMap_map; } static Object vm_generalMap_get(Object key) { return vm_generalMap().get(key); } static Object vm_generalMap_put(Object key, Object value) { return mapPutOrRemove(vm_generalMap(), key, value); } static Set syncIdentityHashSet() { return (Set) synchronizedSet(identityHashSet()); } static Map syncHashMap() { return synchroHashMap(); } static long nanoTime() { return System.nanoTime(); } static boolean isMain() { return isMainProgram(); } static void consoleTitle(String title) { setConsoleTitle(title); } static String rep(int n, char c) { return repeat(c, n); } static String rep(char c, int n) { return repeat(c, n); } static List rep(A a, int n) { return repeat(a, n); } static List rep(int n, A a) { return repeat(n, a); } static String decimalFormatEnglish(String format, double d) { return decimalFormatEnglish(format).format(d); } static java.text.DecimalFormat decimalFormatEnglish(String format) { return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)); } static double nsToMS(double nanoseconds) { return nanoseconds/1e6; } static String formatWithThousands(long l) { return formatWithThousandsSeparator(l); } static double fraction(double d) { return d % 1; } static String n_fancy2(long l, String singular, String plural) { return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural); } static String n_fancy2(Collection l, String singular, String plural) { return n_fancy2(l(l), singular, plural); } static String n_fancy2(Map m, String singular, String plural) { return n_fancy2(l(m), singular, plural); } static String n_fancy2(Object[] a, String singular, String plural) { return n_fancy2(l(a), singular, plural); } static Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } static List javaTokForStructure(String s) { return javaTok_noMLS(s); } static String structure_addTokenMarkers(String s) { return join(structure_addTokenMarkers(javaTokForStructure(s))); } static List structure_addTokenMarkers(List tok) { // 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 tok; // add markers for (int i : refs) { int idx = i*2+1; if (idx >= l(tok)) continue; // broken structure String t = ""; if (endsWithLetterOrDigit(tok.get(idx-1))) t = " "; tok.set(idx, t + "m" + i + " " + tok.get(idx)); } return tok; } static String jreplace(String s, String in, String out) { return jreplace(s, in, out, null); } static String jreplace(String s, String in, String out, Object condition) { List tok = javaTok(s); return jreplace(tok, in, out, condition) ? join(tok) : s; } // leaves tok properly tokenized // returns true iff anything was replaced static boolean jreplace(List tok, String in, String out) { return jreplace(tok, in, out, false, true, null); } static boolean jreplace(List tok, String in, String out, Object condition) { return jreplace(tok, in, out, false, true, condition); } static boolean jreplace(List tok, String in, String out, IF2, Integer, Boolean> condition) { return jreplace(tok, in, out, (Object) condition); } static boolean jreplace(List tok, String in, String out, boolean ignoreCase, boolean reTok, Object condition) { String[] toks = javaTokForJFind_array(in); int lTokin = toks.length*2+1; boolean anyChange = false; int i = -1; for (int n = 0; n < 10000; n++) { // TODO: don't need this check anymore i = findCodeTokens(tok, i+1, ignoreCase, toks, condition); if (i < 0) return anyChange; List subList = tok.subList(i-1, i+lTokin-1); // N to N String expansion = jreplaceExpandRefs(out, subList); int end = i+lTokin-2; clearAllTokens(tok, i, end); // C to C tok.set(i, expansion); if (reTok) // would this ever be false?? reTok(tok, i, end); i = end; anyChange = true; } throw fail("woot? 10000! " + quote(in) + " => " + quote(out)); } static boolean jreplace_debug = false; 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) { structureToPrintWriter(o, out, new structure_Data()); } static void structureToPrintWriter(Object o, PrintWriter out, structure_Data d) { d.out = out; structure_go(o, d); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; // info on how to serialize objects of a certain class static class structure_ClassInfo { Class c; String shortName; List fields; Method customSerializer; IVF1 serializeObject; // can be set by caller of structure function boolean special = false; // various special classes boolean nullInstances = false; // serialize all instances as null (e.g. lambdas/anonymous classes) } static class structure_Data { PrintWriter out; int stringSizeLimit; int shareStringsLongerThan = 20; boolean noStringSharing = false; boolean storeBaseClasses = false; boolean honorFieldOrder = true; String mcDollar = actualMCDollar(); IdentityHashMap seen = new IdentityHashMap(); //new BitSet refd; HashMap strings = new HashMap(); HashSet concepts = new HashSet(); HashMap infoByClass = new HashMap(); // wrapper for _persistenceInfo field or _persistenceInfo method // by class (taking the object instance) HashMap> persistenceInfo = 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; } structure_ClassInfo infoForClass(Class c) { structure_ClassInfo info = infoByClass.get(c); if (info == null) info = newClass(c); return info; } // called when a new class is detected // can be overridden by clients structure_ClassInfo newClass(Class c) { structure_ClassInfo info = new structure_ClassInfo(); info.c = c; infoByClass.put(c, info); String name = c.getName(); String shortName = dropPrefix("loadableUtils.utils$", dropPrefix(mcDollar, name)); if (startsWithDigit(shortName)) shortName = name; // for anonymous classes info.shortName = shortName; try { if (isSyntheticOrAnonymous(c)) { info.special = info.nullInstances = true; return info; } if (c.isEnum()) { info.special = true; return info; } if ((info.customSerializer = findMethodNamed(c, "_serialize")) != null) info.special = true; if (storeBaseClasses) { Class sup = c.getSuperclass(); if (sup != Object.class) { append("bc "); append(shortDynClassNameForStructure(c)); out.print(" "); append(shortDynClassNameForStructure(sup)); out.print(" "); infoForClass(sup); // transitively write out superclass relations } } if (!isPersistableClass(c)) warn("Class not persistable: " + c + " (anonymous or no default constructor)"); } catch (Throwable e) { printStackTrace(e); info.nullInstances = true; } return info; } void setFields(structure_ClassInfo info, List fields) { info.fields = fields; } void writeObject(Object o, String shortName, Map fv) { String singleField = fv.size() == 1 ? first(fv.keySet()) : null; append(shortName); n += countDots(shortName)*2; // correct token count int l = n; Iterator it = fv.entrySet().iterator(); stack.add(new Runnable() { public void run() { try { if (!it.hasNext()) { if (n != l) append(")"); } else { Map.Entry e = (Map.Entry) it.next(); append(n == l ? "(" : ", "); append((String) e.getKey()).append("="); stack.add(this); structure_1(e.getValue(), structure_Data.this); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (!it.hasNext()) {\r\n if (n != l)\r\n append(\")\");\r\n } el..."; }}); } } static void structure_1(final Object o, final structure_Data d) { try { if (o == null) { d.append("null"); return; } Class c = o.getClass(); boolean concept = false; structure_ClassInfo info = d.infoForClass(c); List lFields = info.fields; 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 Short) { short s = ((Short) o).shortValue(); d.append("sh "); out.print(s); d.n += s < 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 Set) { /*O set2 = unwrapSynchronizedSet(o); if (set2 != o) { d.append("sync"); o = set2; } TODO */ if (((Set) o) instanceof TreeSet) { d.append(isCISet_gen((Set) o) ? "ciset" : "treeset"); structure_1(new ArrayList((Set) o), d); return; } // assume it's a HashSet or LinkedHashSet d.append(((Set) o) instanceof LinkedHashSet ? "lhs" : "hashset"); structure_1(new ArrayList((Set) o), d); return; } String name = c.getName(); if (o instanceof Collection && !isJavaXClassName(name) /* && neq(name, "main$Concept$RefL") */) { // it's a list if (name.equals("java.util.Collections$SynchronizedList") || name.equals("java.util.Collections$SynchronizedRandomAccessList")) { d.append("sync "); { structure_1(unwrapSynchronizedList(((List) o)), d); return; } } else if (name.equals("java.util.LinkedList")) d.append("ll"); d.append("["); final int l = d.n; final Iterator it = cloneList((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, d.mcDollar)) { if (o instanceof LinkedHashMap) d.append("lhm"); else if (o instanceof HashMap) d.append("hm"); else if (o instanceof TreeMap) d.append(isCIMap_gen((TreeMap) o) ? "cimap" : "tm"); else if (name.equals("java.util.Collections$SynchronizedMap") || name.equals("java.util.Collections$SynchronizedSortedMap") || name.equals("java.util.Collections$SynchronizedNavigableMap")) { d.append("sync "); { structure_1(unwrapSynchronizedMap(((Map) o)), d); return; } } d.append("{"); final int l = d.n; final Iterator it = cloneMap((Map) o).entrySet().iterator(); d.stack.add(new Runnable() { boolean v = false; 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 = ", "*/; // sep is not used yet if (o instanceof int[]) { //ret "intarray " + quote(intArrayToHex((int[]) o)); atype = "intarray"; //sep = " "; } else if (o instanceof double[]) { atype = "dblarray"; //sep = " "; } else { Pair p = arrayTypeAndDimensions(c); if (p.a == int.class) atype = "intarray"; else if (p.a == byte.class) atype = "bytearray"; else if (p.a == boolean.class) atype = "boolarray"; else if (p.a == double.class) atype = "dblarray"; else if (p.a == String.class) { atype = "array S"; d.n++; } else atype = "array"; // fail("Unsupported array type: " + p.a); if (p.b > 1) { atype += "/" + p.b; // add number of dimensions d.n += 2; // 2 additional tokens will be written } } 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("sun")) { d.append("j ").append(quote(str(o))); return; // Hm. this is not unstructure-able except for java.awt.Color } /*if (name.equals("main$Lisp")) { fail("lisp not supported right now"); }*/ if (info.special) { if (c.isEnum()) { d.append("enum "); d.append(info.shortName); d.out.append(' '); d.append(((Enum) o).ordinal()); return; } if (info.customSerializer != null) { // custom serialization (_serialize method) Object o2 = invokeMethod(info.customSerializer, o); d.append("cu "); String shortName = dropPrefix(d.mcDollar, name); d.append(shortName); d.out.append(' '); structure_1(o2, d); return; } else if (info.nullInstances) { d.append("null"); return; } else if (info.serializeObject != null) { info.serializeObject.get(o); return; } else throw fail("unknown special type"); } String dynName = shortDynClassNameForStructure(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)) { String fieldName = field.getName(); if (fieldName.equals("_persistenceInfo")) d.persistenceInfo.put(c, obj -> (Map) fieldGet(field, obj)); if ((field.getModifiers() & (java.lang.reflect.Modifier.STATIC | java.lang.reflect.Modifier.TRANSIENT)) != 0) continue; fields.add(field); // put special cases here...? } cc = cc.getSuperclass(); } Method persistenceInfoMethod = findInstanceMethod(c, "_persistenceInfo"); if (persistenceInfoMethod != null) d.persistenceInfo.put(c, obj -> (Map) invokeMethod(persistenceInfoMethod, obj)); lFields = asList(d.honorFieldOrder ? fieldObjectsInFieldOrder(c, fields) : fields); // Render this$0/this$1 first because unstructure needs it for constructor call. int n = l(lFields); for (int i = 0; i < n; i++) { Field f = lFields.get(i); if (f.getName().startsWith("this$")) { lFields.remove(i); lFields.add(0, f); break; } } d.setFields(info, 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 } // get _persistenceInfo from field and/or dynamic field IF1 piGetter = d.persistenceInfo.get(c); Map persistenceInfo = piGetter == null ? null : piGetter.get(o); if (piGetter == null && o instanceof DynamicObject) persistenceInfo = (Map) getOptDynOnly(((DynamicObject) o), "_persistenceInfo"); LinkedHashMap fv = new LinkedHashMap(); for (Field f : lFields) { Object value; try { value = f.get(o); } catch (Exception e) { value = "?"; } if (value != null && (persistenceInfo == null || !Boolean.FALSE.equals(persistenceInfo.get(f.getName())))) fv.put(f.getName(), value); } String shortName = info.shortName; // 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) { putAll(fv, (Map) fv.get("fieldValues")); fv.remove("fieldValues"); if (((DynamicObject) o).className != null) { // TODO: this probably doesn't work with inner classes shortName = shortDynClassNameForStructure((DynamicObject) o); fv.remove("className"); } } d.writeObject(o, shortName, fv); } catch (Exception __e) { throw rethrow(__e); } } static ArrayList emptyList() { return new ArrayList(); //ret Collections.emptyList(); } static ArrayList emptyList(int capacity) { return new ArrayList(max(0, capacity)); } // Try to match capacity static ArrayList emptyList(Iterable l) { return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList(); } static ArrayList emptyList(Object[] l) { return emptyList(l(l)); } // get correct type at once static ArrayList emptyList(Class c) { return new ArrayList(); } static String className(Object o) { return getClassName(o); } static Set> entrySet(Map map) { return _entrySet(map); } static A firstThat(Iterable l, IF1 pred) { for (A a : unnullForIteration(l)) if (pred.get(a)) return a; return null; } static A firstThat(A[] l, IF1 pred) { for (A a : unnullForIteration(l)) if (pred.get(a)) return a; return null; } static A firstThat(IF1 pred, Iterable l) { return firstThat(l, pred); } static A firstThat(IF1 pred, A[] l) { return firstThat(l, pred); } static A printException(A e) { printStackTrace(e); return e; } static A vm_generalMap_getOrCreate(Object key, F0 create) { return vm_generalMap_getOrCreate(key, f0ToIF0(create)); } static A vm_generalMap_getOrCreate(Object key, IF0 create) { Map generalMap = vm_generalMap(); if (generalMap == null) return null; // must be x30 init synchronized(generalMap) { // should switch to locks here A a = (A) (vm_generalMap_get(key)); if (a == null) vm_generalMap_put(key, a = create == null ? null : create.get()); return a; } } static A callF_gen(F0 f) { return f == null ? null : f.get(); } static B callF_gen(F1 f, A a) { return f == null ? null : f.get(a); } static A callF_gen(IF0 f) { return f == null ? null : f.get(); } static B callF_gen(IF1 f, A a) { return f == null ? null : f.get(a); } static B callF_gen(A a, IF1 f) { return f == null ? null : f.get(a); } static C callF_gen(IF2 f, A a, B b) { return f == null ? null : f.get(a, b); } static void callF_gen(VF1 f, A a) { { if (f != null) f.get(a); } } static void callF_gen(A a, IVF1 f) { { if (f != null) f.get(a); } } static void callF_gen(IVF1 f, A a) { { if (f != null) f.get(a); } } static Object callF_gen(Runnable r) { { if (r != null) r.run(); } return null; } static Object callF_gen(Object f, Object... args) { return callF(f, args); } static ClassLoader classLoaderForObject(Object o) { if (o instanceof ClassLoader) return ((ClassLoader) o); if (o == null) return null; return _getClass(o).getClassLoader(); } // Note: This is actually broken. Inner classes must stay with a $ separator static String classNameToVM(String name) { return name.replace(".", "$"); } static HashSet litset(A... items) { return lithashset(items); } static String joinWithComma(Collection c) { return join(", ", c); } static String joinWithComma(Object... c) { return join(", ", c); } static String joinWithComma(String... c) { return join(", ", c); } static String joinWithComma(Pair p) { return p == null ? "" : joinWithComma(str(p.a), str(p.b)); } static List getClasses(Object[] array) { List l = emptyList(l(array)); for (Object o : array) l.add(_getClass(o)); return l; } static void multiMapPut(Map> map, A a, B b) { List l = map.get(a); if (l == null) map.put(a, l = new ArrayList()); l.add(b); } static void multiMapPut(MultiMap mm, A key, B value) { if (mm != null && key != null && value != null) mm.put(key, value); } static Class __javax; static Class getJavaX() { try { return __javax; } catch (Exception __e) { throw rethrow(__e); } } static void __setJavaX(Class j) { __javax = j; _onJavaXSet(); } static Object call_withVarargs(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.findStaticMethod(methodName, args); if (me != null) return invokeMethod(me, null, args); // try varargs List methods = cache.cache.get(methodName); 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() + "." + methodName + "(" + joinWithComma(classNames(args)) + ") not found"); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(methodName, args); if (me != null) return invokeMethod(me, o, args); // try varargs List methods = cache.cache.get(methodName); 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() + "." + methodName + "(" + joinWithComma(classNames(args)) + ") not found"); } } catch (Exception __e) { throw rethrow(__e); } } static Map synchronizedMap() { return synchroMap(); } static Map synchronizedMap(Map map) { return synchroMap(map); } static String unnull(String s) { return s == null ? "" : s; } static Collection unnull(Collection l) { return l == null ? emptyList() : l; } static List unnull(List l) { return l == null ? emptyList() : l; } static int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; } static char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; } static double[] unnull(double[] l) { return l == null ? emptyDoubleArray() : l; } static Map unnull(Map l) { return l == null ? emptyMap() : l; } static Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static A[] unnull(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static Pt unnull(Pt p) { return p == null ? new Pt() : p; } //ifclass Symbol static Symbol unnull(Symbol s) { return s == null ? emptySymbol() : s; } //endif static Pair unnull(Pair p) { return p != null ? p : new Pair(null, null); } static int unnull(Integer i) { return i == null ? 0 : i; } static long unnull(Long l) { return l == null ? 0L : l; } static double unnull(Double l) { return l == null ? 0.0 : l; } static boolean nemptyString(String s) { return s != null && s.length() > 0; } static int listL(Collection l) { return l == null ? 0 : l.size(); } static boolean neq(Object a, Object b) { return !eq(a, b); } static boolean eqic(String a, String b) { if ((a == null) != (b == null)) return false; if (a == null) return true; return a.equalsIgnoreCase(b); } static boolean eqic(Symbol a, Symbol b) { return eq(a, b); } static boolean eqic(Symbol a, String b) { return eqic(asString(a), b); } static 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 boolean ewic(String a, String b) { return endsWithIgnoreCase(a, b); } static boolean ewic(String a, String b, Matches m) { return endsWithIgnoreCase(a, b, m); } // 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 == null) return null; 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) { makeAccessible(f); return f.get(o); } if (o instanceof DynamicObject) return getOptDynOnly(((DynamicObject) o), field); } catch (Exception e) { throw asRuntimeException(e); } throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName()); } static Object get_raw(String field, Object o) { return get_raw(o, field); } static Object get_raw(Object o, String field) { try { if (o == null) return null; Field f = get_findField(o.getClass(), field); makeAccessible(f); return f.get(o); } catch (Exception __e) { throw rethrow(__e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); makeAccessible(f); 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 Object get(String field, Object o) { return get(o, field); } static boolean get(BitSet bs, int idx) { return bs != null && bs.get(idx); } static 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 Set synchronizedSet() { return synchroHashSet(); } static Set synchronizedSet(Set set) { return Collections.synchronizedSet(set); } static Set identityHashSet() { return Collections.newSetFromMap(new IdentityHashMap()); } static boolean isMainProgram() { return creator() == null; } static void setConsoleTitle(String title) { callOpt(consoleFrame_gen(), "setTitle", title); } static String repeat(char c, int n) { n = Math.max(n, 0); char[] chars = new char[n]; for (int i = 0; i < n; i++) chars[i] = c; return new String(chars); } static List repeat(A a, int n) { n = Math.max(n, 0); List l = new ArrayList(n); for (int i = 0; i < n; i++) l.add(a); return l; } static List repeat(int n, A a) { return repeat(a, n); } static String formatWithThousandsSeparator(long l) { return NumberFormat.getInstance(new Locale("en_US")).format(l); } static String trim(String s) { return s == null ? null : s.trim(); } static String trim(StringBuilder buf) { return buf.toString().trim(); } static String trim(StringBuffer buf) { return buf.toString().trim(); } static Iterator emptyIterator() { return Collections.emptyIterator(); } static List javaTok_noMLS(String s) { ArrayList tok = new ArrayList(); int l = s == null ? 0 : 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; } tok.add(javaTok_substringN(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 if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { int c2 = s.charAt(j); if (c2 == opener || c2 == '\n' && opener == '\'') { // allow multi-line strings, but not for ' ++j; break; } else if (c2 == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && Character.isJavaIdentifierPart(s.charAt(j))); 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 ++j; tok.add(javaTok_substringC(s, i, j)); ++n; i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static 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 int parseInt(String s) { return emptyString(s) ? 0 : Integer.parseInt(s); } static int parseInt(char c) { return Integer.parseInt(str(c)); } // TODO: extended multi-line strings static int javaTok_n, javaTok_elements; static boolean javaTok_opt = false; static List javaTok(String s) { ++javaTok_n; ArrayList tok = new ArrayList(); int l = s == null ? 0 : s.length(); 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 && !regionMatches(s, j, "*/")); j = Math.min(j+2, l); } else if (c == '/' && d == '/') { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(javaTok_substringN(s, i, j)); 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) { int c2 = s.charAt(j); if (c2 == opener || c2 == '\n' && opener == '\'') { // allow multi-line strings, but not for ' ++j; break; } else if (c2 == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // 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 < l && !regionMatches(s, j, "]]")); j = Math.min(j+2, l); } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !regionMatches(s, j, "]=]")); j = Math.min(j+3, l); } else ++j; tok.add(javaTok_substringC(s, i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); javaTok_elements += tok.size(); return tok; } static List javaTok(List tok) { return javaTokWithExisting(join(tok), tok); } static Map javaTokForJFind_array_cache = synchronizedMRUCache(1000); static String[] javaTokForJFind_array(String s) { String[] tok = javaTokForJFind_array_cache.get(s); if (tok == null) javaTokForJFind_array_cache.put(s, tok = codeTokensAsStringArray(jfind_preprocess(javaTok(s)))); return tok; } // Note: In the transpiler, this version is used: #1025802 static int findCodeTokens(List tok, String... tokens) { return findCodeTokens(tok, 1, false, tokens); } static int findCodeTokens(List tok, boolean ignoreCase, String... tokens) { return findCodeTokens(tok, 1, ignoreCase, tokens); } static int findCodeTokens(List tok, int startIdx, boolean ignoreCase, String... tokens) { return findCodeTokens(tok, startIdx, ignoreCase, tokens, null); } static HashSet findCodeTokens_specials = lithashset("*", "", "", "", "\\*"); static int findCodeTokens_bails, findCodeTokens_nonbails; static interface findCodeTokens_Matcher { boolean get(String token); } static int findCodeTokens(List tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) { int end = tok.size()-tokens.length*2+2, nTokens = tokens.length; int i = startIdx | 1; if (i >= end) return -1; // bail out early if first token not found (works great with IndexedList) String firstToken = tokens[0]; if (!ignoreCase && !findCodeTokens_specials.contains(firstToken)) { // quickly scan for first token while (i < end && !firstToken.equals(tok.get(i))) i += 2; } findCodeTokens_Matcher[] matchers = new findCodeTokens_Matcher[nTokens]; for (int j = 0; j < nTokens; j++) { String p = tokens[j]; findCodeTokens_Matcher matcher; if (p.equals("*")) matcher = t -> true; else if (p.equals("")) matcher = t -> isQuoted(t); else if (p.equals("")) matcher = t -> isIdentifier(t); else if (p.equals("")) matcher = t -> isInteger(t); else if (p.equals("\\*")) matcher = t -> t.equals("*"); else if (ignoreCase) matcher = t -> eqic(p, t); else matcher = t -> t.equals(p); matchers[j] = matcher; } outer: for (; i < end; i += 2) { for (int j = 0; j < nTokens; j++) if (!matchers[j].get(tok.get(i+j*2))) continue outer; if (condition == null || checkTokCondition(condition, tok, i-1)) // pass N index return i; } return -1; } // "$1" is first code token, "$2" second code token etc. static String jreplaceExpandRefs(String s, List tokref) { if (!contains(s, '$')) return s; List tok = javaTok(s); for (int i = 1; i < l(tok); i += 2) { String t = tok.get(i); if (t.startsWith("$") && isInteger(t.substring(1))) { String x = tokref.get(-1+parseInt(t.substring(1))*2); tok.set(i, x); } else if (t.equals("\\")) { tok.set(i, ""); i += 2; } } return join(tok); } static void clearAllTokens(List tok) { for (int i = 0; i < tok.size(); i++) tok.set(i, ""); } static void clearAllTokens(List tok, int i, int j) { for (; i < j; i++) tok.set(i, ""); } static List reTok(List tok) { replaceCollection(tok, javaTok(tok)); return tok; } static List reTok(List tok, int i) { return reTok(tok, i, i+1); } static List reTok(List tok, int i, int j) { // extend i to an "N" token // and j to "C" (so j-1 is an "N" token) i = max(i & ~1, 0); j = min(l(tok), j | 1); if (i >= j) return tok; List t = javaTok(joinSubList(tok, i, j)); replaceListPart(tok, i, j, t); // fallback to safety // reTok(tok); return tok; } 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 if (c == '\t') out.append("\\t"); else if (c == '\0') out.append("\\0"); else out.append(c); } out.append('"'); } static A assertEquals(Object x, A y) { return assertEquals("", x, y); } static A assertEquals(String msg, Object x, A y) { if (assertVerbose()) return assertEqualsVerbose(msg, x, y); if (!(x == null ? y == null : x.equals(y))) throw fail((msg != null ? msg + ": " : "") + y + " != " + x); return y; } 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(javaTok_substringC(s, i, j)); i = j; } return tok; } static A popLast(List l) { return liftLast(l); } static List popLast(int n, List l) { return liftLast(n, l); } static String actualMCDollar() { return actualMC().getName() + "$"; } static String dropPrefix(String prefix, String s) { return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s; } static boolean startsWithDigit(String s) { return nempty(s) && isDigit(s.charAt(0)); } static boolean isSyntheticOrAnonymous(Class c) { return c != null && (c.isSynthetic() || isAnonymousClassName(c.getName())); } // This is a bit rough... finds static and non-static methods. static 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 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; } // keeps package names for dynamic code (package dyn.*) static String shortDynClassNameForStructure(Object o) { if (o instanceof DynamicObject && ((DynamicObject) o).className != null) return ((DynamicObject) o).className; if (o == null) return null; Class c = o instanceof Class ? (Class) o : o.getClass(); String name = c.getName(); return name.startsWith("dyn.") ? classNameToVM(name) : shortenClassName(name); } static boolean isPersistableClass(Class c) { String name = c.getName(); if (isAnonymousClassName(name)) return false; if (isBoxedType(c)) return true; if (isArrayType(c)) return true; if (c == Class.class || c == String.class || c == File.class || c == Color.class) return true; if (name.startsWith("java.util.Collections$Synchronized")) return true; if (hasThisDollarFields(c)) return hasSingleArgumentConstructor(c); else return getDefaultConstructor(c) != null; } static boolean warn_on = true; static ThreadLocal> warn_warnings = new ThreadLocal(); static void warn(String s) { if (warn_on) print("Warning: " + s); } static void warn(String s, List warnings) { warn(s); if (warnings != null) warnings.add(s); addToCollection(warn_warnings.get(), s); } static A printStackTrace(A e) { // we go to system.out now - system.err is nonsense if (e != null) print(getStackTrace(e)); return e; } static void printStackTrace() { printStackTrace(new Throwable()); } static void printStackTrace(String msg) { printStackTrace(new Throwable(msg)); } static void printStackTrace(String msg, Throwable e) { printStackTrace(new Throwable(msg, e)); } static int countDots(String s) { int n = l(s), count = 0; for (int i = 0; i < n; i++) if (s.charAt(i) == '.') ++count; return count; } 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 if (c == '\0') out.print("\\0"); else out.print(c); } out.print('"'); } 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 + "'"; } static int shorten_default = 100; static String shorten(CharSequence s) { return shorten(s, shorten_default); } static String shorten(CharSequence s, int max) { return shorten(s, max, "..."); } static String shorten(CharSequence s, int max, String shortener) { if (s == null) return ""; if (max < 0) return str(s); return s.length() <= max ? str(s) : subCharSequence(s, 0, min(s.length(), max-l(shortener))) + shortener; } static String shorten(int max, CharSequence s) { return shorten(s, max); } static boolean isCISet_gen(Iterable l) { return l instanceof TreeSet && className(((TreeSet) l).comparator()).contains("CIComp"); } static boolean isJavaXClassName(String s) { return startsWithOneOf(s, "main$", "loadableUtils."); } static List unwrapSynchronizedList(List l) { if (eqOneOf(className(l), "java.util.Collections$SynchronizedList", "java.util.Collections$SynchronizedRandomAccessList")) return (List) get_raw(l, "list"); return l; } static boolean isCIMap_gen(Map map) { return map instanceof TreeMap && className(((TreeMap) map).comparator()).contains("CIComp"); } // works for both java.util-wrapped maps as well as our own static Map unwrapSynchronizedMap(Map map) { if (eqOneOf(shortClassName(map), "SynchronizedMap", "SynchronizedSortedMap", "SynchronizedNavigableMap")) return (Map) get_raw(map, "m"); return map; } static Map cloneMap(Map map) { if (map == null) return new HashMap(); // assume mutex is equal to map synchronized(map) { return map instanceof TreeMap ? new TreeMap((TreeMap) map) // copies comparator : map instanceof LinkedHashMap ? new LinkedHashMap(map) : new HashMap(map); } } static List cloneMap(Iterable l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : cloneList(l)) x.add(f.get(o)); return x; } 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 String boolArrayToHex(boolean[] a) { return bytesToHex(boolArrayToBytes(a)); } static Pair arrayTypeAndDimensions(Object o) { return arrayTypeAndDimensions(_getClass(o)); } static Pair arrayTypeAndDimensions(Class c) { if (c == null || !c.isArray()) return null; Class elem = c.getComponentType(); if (elem.isArray()) return mapPairB(arrayTypeAndDimensions(elem), dim -> dim+1); return pair(elem, 1); } 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 Map getDeclaredFields_cache = newDangerousWeakHashMap(); 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) makeAccessible(f); } } return fields; } static Object fieldGet(Field f, Object o) { try { return f == null ? null : f.get(o); } catch (Exception __e) { throw rethrow(__e); } } static Method findInstanceMethod(Class c, String method, Object... args) { while (c != null) { for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method) && findMethod_checkArgs(m, args, false)) return m; c = c.getSuperclass(); } return null; } static Set fieldObjectsInFieldOrder(Class c, Set fields) { try { var byName = mapToKey(f -> f.getName(), fields); LinkedHashSet out = new LinkedHashSet(); for (String name : unnullForIteration(getFieldOrder(c))) { Field f = byName.get(name); if (f != null) { byName.remove(name); out.add(f); } } addAll(out, fields); return out; } catch (Throwable __0) { printStackTrace(__0); return fields; } } static Object getOptDynOnly(DynamicObject o, String field) { if (o == null || o.fieldValues == null) return null; return o.fieldValues.get(field); } static Map putAll(Map a, Map b) { if (a != null && b != null) a.putAll(b); return a; } static MultiMap putAll(MultiMap a, Map b) { if (a != null) a.putAll((Map) b); return a; } static Map putAll(Map a, Object... b) { if (a != null) litmap_impl(a, b); return a; } static String unnullForIteration(String s) { return s == null ? "" : s; } static Collection unnullForIteration(Collection l) { return l == null ? immutableEmptyList() : l; } static List unnullForIteration(List l) { return l == null ? immutableEmptyList() : l; } static int[] unnullForIteration(int[] l) { return l == null ? emptyIntArray() : l; } static char[] unnullForIteration(char[] l) { return l == null ? emptyCharArray() : l; } static double[] unnullForIteration(double[] l) { return l == null ? emptyDoubleArray() : l; } static short[] unnullForIteration(short[] l) { return l == null ? emptyShortArray() : l; } static Map unnullForIteration(Map l) { return l == null ? immutableEmptyMap() : l; } static Iterable unnullForIteration(Iterable i) { return i == null ? immutableEmptyList() : i; } static A[] unnullForIteration(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static BitSet unnullForIteration(BitSet b) { return b == null ? new BitSet() : b; } static Pt unnullForIteration(Pt p) { return p == null ? new Pt() : p; } //ifclass Symbol static Symbol unnullForIteration(Symbol s) { return s == null ? emptySymbol() : s; } //endif static Pair unnullForIteration(Pair p) { return p != null ? p : new Pair(null, null); } static long unnullForIteration(Long l) { return l == null ? 0L : l; } static IF0 f0ToIF0(F0 f) { return f == null ? null : () -> f.get(); } static HashSet lithashset(A... items) { HashSet set = new HashSet(); for (A a : items) set.add(a); return set; } static void _onJavaXSet() {} static final Map callOpt_cache = newDangerousWeakHashMap(); static 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); // TODO: (super-rare) case where method exists static and non-static // with different args 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); } } // no longer synchronizes! (see #1102990) static _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 boolean isStaticMethod(Method m) { return methodIsStatic(m); } static Object[] massageArgsForVarArgsCall(Executable m, Object[] args) { Class[] types = m.getParameterTypes(); int n = types.length-1, nArgs = l(args); 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); // TODO: optimize int nVarArgs = nArgs-n; Object varArgs = Array.newInstance(varArgType, nVarArgs); for (int i = 0; i < nVarArgs; i++) Array.set(varArgs, i, args[n+i]); newArgs[n] = varArgs; return newArgs; } static int[] emptyIntArray_a = new int[0]; static int[] emptyIntArray() { return emptyIntArray_a; } static char[] emptyCharArray = new char[0]; static char[] emptyCharArray() { return emptyCharArray; } static double[] emptyDoubleArray = new double[0]; static double[] emptyDoubleArray() { return emptyDoubleArray; } static Map emptyMap() { return new HashMap(); } static Object[] emptyObjectArray_a = new Object[0]; static Object[] emptyObjectArray() { return emptyObjectArray_a; } static Symbol emptySymbol_value; static Symbol emptySymbol() { if (emptySymbol_value == null) emptySymbol_value = symbol(""); return emptySymbol_value; } static String asString(Object o) { return o == null ? null : o.toString(); } static boolean endsWithIgnoreCase(String a, String b) { int la = l(a), lb = l(b); return la >= lb && regionMatchesIC(a, la-lb, b, 0, lb); } static boolean endsWithIgnoreCase(String a, String b, Matches m) { if (!endsWithIgnoreCase(a, b)) return false; if (m != null) m.m = new String[] { substring(a, 0, l(a)-l(b)) }; return true; } static Set synchroHashSet() { return synchronizedSet(new HashSet()); } static WeakReference creator_class; static Object creator() { return creator_class == null ? null : creator_class.get(); } static Object callOpt(Object o) { return callF(o); } static Object callOpt(Object o, String method, Object... args) { return callOpt_withVarargs(o, method, args); } static Object consoleFrame_gen() { return getOpt(getOpt(getJavaX(), "console"), "frame"); } static String javaTok_substringN(String s, int i, int j) { if (i == j) return ""; if (j == i+1 && s.charAt(i) == ' ') return " "; return s.substring(i, j); } static String javaTok_substringC(String s, int i, int j) { return s.substring(i, j); } static boolean emptyString(String s) { return s == null || s.length() == 0; } static boolean regionMatches(String a, int offsetA, String b, int offsetB, int len) { return a != null && b != null && a.regionMatches(offsetA, b, offsetB, len); } static boolean regionMatches(String a, int offsetA, String b) { return regionMatches(a, offsetA, b, 0, l(b)); } static List javaTokWithExisting(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 && javaTokWithExisting_isCopyable(existing.get(n), s, i, j)) tok.add(existing.get(n)); else tok.add(javaTok_substringN(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 && javaTokWithExisting_isCopyable(existing.get(n), s, i, j)) tok.add(existing.get(n)); else tok.add(javaTok_substringC(s, i, j)); ++n; i = j; } if ((tok.size() % 2) == 0) tok.add(""); javaTok_elements += tok.size(); return tok; } static boolean javaTokWithExisting_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 Map synchronizedMRUCache(int maxSize) { return synchroMap(new MRUCache(maxSize)); } static String[] codeTokensAsStringArray(List tok) { int n = max(0, (l(tok)-1)/2); String[] out = new String[n]; for (int i = 0; i < n; i++) out[i] = tok.get(i*2+1); return out; } static int jfind(String s, String in) { return jfind(javaTok(s), in); } static int jfind(List tok, String in) { return jfind(tok, 1, in); } static int jfind(List tok, int startIdx, String in) { return jfind(tok, startIdx, in, (ITokCondition) null); } static int jfind(List tok, String in, Object condition) { return jfind(tok, 1, in, condition); } static int jfind(List tok, String in, IIntPred condition) { return jfind(tok, 1, in, condition); } static int jfind(List tok, int startIndex, String in, IIntPred condition) { return jfind(tok, startIndex, in, tokCondition(condition)); } static int jfind(List tok, String in, ITokCondition condition) { return jfind(tok, 1, in, condition); } static int jfind(List tok, int startIndex, String in, ITokCondition condition) { return jfind(tok, startIndex, in, (Object) condition); } static int jfind(List tok, int startIdx, String in, Object condition) { //LS tokin = jfind_preprocess(javaTok(in)); return jfind(tok, startIdx, javaTokForJFind_array(in), condition); } // assumes you preprocessed tokin static int jfind(List tok, List tokin) { return jfind(tok, 1, tokin); } static int jfind(List tok, int startIdx, List tokin) { return jfind(tok, startIdx, tokin, null); } static int jfind(List tok, int startIdx, String[] tokinC, Object condition) { return findCodeTokens(tok, startIdx, false, tokinC, condition); } static int jfind(List tok, int startIdx, List tokin, Object condition) { return jfind(tok, startIdx, codeTokensAsStringArray(tokin), condition); } static List jfind_preprocess(List tok) { for (String type : litlist("quoted", "id", "int")) replaceSublist(tok, ll("<", "", type, "", ">"), ll("<" + type + ">")); replaceSublist(tok, ll("\\", "", "*"), ll("\\*")); return tok; } // supports the usual quotings (", variable length double brackets) except ' quoting static boolean isQuoted(String s) { if (isNormalQuoted(s)) return true; // use the exact version return isMultilineQuoted(s); } static boolean isIdentifier(String s) { return isJavaIdentifier(s); } static boolean checkTokCondition(Object condition, List tok, int i) { if (condition instanceof TokCondition) return ((TokCondition) condition).get(tok, i); return checkCondition(condition, tok, i); } static boolean contains(Collection c, Object o) { return c != null && c.contains(o); } static boolean contains(Iterable it, Object a) { if (it != null) for (Object o : it) if (eq(a, o)) return true; return false; } static boolean contains(Object[] x, Object o) { if (x != null) for (Object a : x) if (eq(a, o)) return true; return false; } static boolean contains(String s, char c) { return s != null && s.indexOf(c) >= 0; } static boolean contains(String s, String b) { return s != null && s.indexOf(b) >= 0; } static boolean contains(BitSet bs, int i) { return bs != null && bs.get(i); } static boolean contains(Rect r, Pt p) { return rectContains(r, p); } static void replaceCollection(Collection dest, Collection src) { if (dest == src) return; dest.clear(); if (src != null) dest.addAll(src); } static String joinSubList(List l, int i, int j) { return join(subList(l, i, j)); } static String joinSubList(List l, int i) { return join(subList(l, i)); } static void replaceListPart(List l, int i, int j, List l2) { replaceSublist(l, i, j, l2); } static ThreadLocal assertVerbose_value = new ThreadLocal(); static void assertVerbose(boolean b) { assertVerbose_value.set(b); } static boolean assertVerbose() { return isTrue(assertVerbose_value.get()); } static A assertEqualsVerbose(Object x, A y) { assertEqualsVerbose((String) null, x, y); return y; } // x = expected, y = actual static A assertEqualsVerbose(String msg, Object x, A y) { if (!eq(x, y)) { throw fail((nempty(msg) ? msg + ": " : "") + "expected: "+ x + ", got: " + y); } else print("OK" + (empty(msg) ? "" : " " + msg) + ": " + /*sfu*/(x)); return y; } static String nullIfEmpty(String s) { return isEmpty(s) ? null : s; } static Map nullIfEmpty(Map map) { return isEmpty(map) ? null : map; } static List nullIfEmpty(List l) { return isEmpty(l) ? null : l; } static A liftLast(List l) { if (empty(l)) return null; int i = l(l)-1; A a = l.get(i); l.remove(i); return a; } static List liftLast(int n, List l) { int i = l(l)-n; List part = cloneSubList(l, i); removeSubList(l, i); return part; } static Class actualMC() { return or((Class) realMC(), mc()); } static boolean isDigit(char c) { return Character.isDigit(c); } static boolean isAnonymousClassName(String s) { for (int i = 0; i < l(s); i++) if (s.charAt(i) == '$' && Character.isDigit(s.charAt(i+1))) return true; return false; } static String shortenClassName(String name) { if (name == null) return null; int i = lastIndexOf(name, "$"); if (i < 0) i = lastIndexOf(name, "."); return i < 0 ? name : substring(name, i+1); } static boolean isBoxedType(Class type) { return type == Boolean.class || type == Integer.class || type == Long.class || type == Float.class || type == Short.class || type == Character.class || type == Byte.class || type == Double.class; } static boolean isArrayType(Class type) { return type != null && type.isArray(); } static boolean hasThisDollarFields(Object o) { Matches m = new Matches(); for (var f : allFieldObjects_dontMakeAccessible(o)) if (startsWith(f.getName(), "this$", m) && isInteger(m.rest())) return true; return false; } static boolean hasSingleArgumentConstructor(Class c) { if (c != null) for (Constructor m : c.getDeclaredConstructors()) if (l(m.getParameterTypes()) == 1) return true; return false; } static Constructor getDefaultConstructor(Class c) { if (c != null) for (Constructor m : c.getDeclaredConstructors()) if (empty(m.getParameterTypes())) return m; return null; } static boolean addToCollection(Collection c, A a) { return c != null && c.add(a); } static boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } 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 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 List> mapPairB(final Object f, Iterable> l) { return map(l, new F1, Pair>() { public Pair get(Pair p) { try { return p == null ? null : pair(p.a, (C) callF(f, p.b)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "p == null ? null : pair(p.a, (C) callF(f, p.b))"; }}); } static List> mapPairB(final F1 f, Iterable> l) { return mapPairB((Object) f, l); } static List> mapPairB(final IF1 f, Iterable> l) { return mapPairB((Object) f, l); } static List> mapPairB(Iterable> l, IF1 f) { return mapPairB((Object) f, l); } static Pair mapPairB(IF1 f, Pair p) { return pairMapB(f, p); } static Pair mapPairB(Pair p, IF1 f) { return pairMapB(f, p); } static Method findMethod(Object o, String method, Object... args) { return findMethod_cached(o, method, args); } static 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 Map mapToKey(Iterable l, IF1 f) { return mapToKeys(l, f); } static Map mapToKey(IF1 f, Iterable l) { return mapToKeys(f, l); } static Map> getFieldOrder_cache = weakMap(); static List getFieldOrder(Object o) { return getFieldOrder(_getClass(o)); } static List getFieldOrder(Class c) { if (c == null) return null; return getOrCreate(getFieldOrder_cache, c, () -> splitAtSpace(toStringOpt(getOpt(c, "_fieldOrder")))); } static void addAll(Collection c, Iterable b) { if (c != null && b != null) for (A a : b) c.add(a); } static boolean addAll(Collection c, Collection b) { return c != null && b != null && c.addAll(b); } static boolean addAll(Collection c, B... b) { return c != null && b != null && c.addAll(Arrays.asList(b)); } static Map addAll(Map a, Map b) { if (a != null && b != null) a.putAll(b); return a; } static A addAll(A c, Collection components) { return addComponents(c, components); } static A addAll(A c, Component... components) { return addComponents(c, components); } static HashMap litmap(Object... x) { HashMap map = new HashMap(); litmap_impl(map, x); return map; } static void litmap_impl(Map map, Object... x) { if (x != null) for (int i = 0; i < x.length-1; i += 2) if (x[i+1] != null) map.put(x[i], x[i+1]); } static List immutableEmptyList() { return Collections.emptyList(); } static short[] emptyShortArray = new short[0]; static short[] emptyShortArray() { return emptyShortArray; } static Map immutableEmptyMap() { return Collections.emptyMap(); } static boolean methodIsStatic(Method m) { return (m.getModifiers() & Modifier.STATIC) != 0; } static boolean argumentCompatibleWithType(Object arg, Class type) { return arg == null ? !type.isPrimitive() : isInstanceX(type, arg); } static void arraycopy(Object[] a, Object[] b) { if (a != null && b != null) arraycopy(a, 0, b, 0, Math.min(a.length, b.length)); } static void arraycopy(Object src, int srcPos, int destPos, int n) { arraycopy(src, srcPos, src, destPos, n); } static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) { if (n != 0) System.arraycopy(src, srcPos, dest, destPos, n); } static 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 Symbol symbol(String s) { if (s == null) return null; synchronized(symbol_map) { // TODO: avoid object creation by passing the string to findKey Symbol symbol = new Symbol(s, true); Symbol existingSymbol = symbol_map.findKey(symbol); if (existingSymbol == null) symbol_map.put(existingSymbol = symbol, true); return existingSymbol; } } static 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 Symbol symbol(Object o) { return symbol((CharSequence) o); } static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) { return a != null && a.regionMatches(true, offsetA, b, offsetB, len); } static Object callOpt_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.findMethod(method, args); if (me == null) { // TODO: varargs return null; } if ((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(method, args); if (me != null) return invokeMethod(me, o, args); // try varargs 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); } return null; } } catch (Exception __e) { throw rethrow(__e); } } static ITokCondition tokCondition(IIntPred condition) { return condition == null ? null : (tok, nIdx) -> condition.get(nIdx); } static ArrayList litlist(A... a) { ArrayList l = new ArrayList(a.length); for (A x : a) l.add(x); return l; } // syntax 1: replace all occurrences of x in l with y static List replaceSublist(List l, List x, List y) { if (x == null) return l; int i = 0; while (true) { i = indexOfSubList(l, x, i); if (i < 0) break; replaceSublist(l, i, i+l(x), y); i += l(y); } return l; } // syntax 2: splice l at fromIndex-toIndex and replace middle part with y static List replaceSublist(List l, int fromIndex, int toIndex, List y) { int n = y.size(), toIndex_new = fromIndex+n; if (toIndex_new < toIndex) { removeSubList(l, toIndex_new, toIndex); copyListPart(y, 0, l, fromIndex, n); } else { copyListPart(y, 0, l, fromIndex, toIndex-fromIndex); if (toIndex_new > toIndex) l.addAll(toIndex, subList(y, toIndex-fromIndex)); } return l; } static boolean isNormalQuoted(String s) { int l = l(s); if (!(l >= 2 && s.charAt(0) == '"' && lastChar(s) == '"')) return false; int j = 1; while (j < l) if (s.charAt(j) == '"') return j == l-1; else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; return false; } static boolean isMultilineQuoted(String s) { if (!startsWith(s, "[")) return false; int i = 1; while (i < s.length() && s.charAt(i) == '=') ++i; return i < s.length() && s.charAt(i) == '['; } 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 boolean checkCondition(Object condition, Object... args) { return isTrue(callF(condition, args)); } static boolean checkCondition(IF1 condition, A arg) { return isTrue(callF(condition, arg)); } static boolean rectContains(int x1, int y1, int w, int h, Pt p) { return p.x >= x1 && p.y >= y1 && p.x < x1+w && p.y < y1+h; } static boolean rectContains(Rect a, Rect b) { return b.x >= a.x && b.y >= a.y && b.x2() <= a.x2() && b.y2() <= a.y2(); } static boolean rectContains(Rect a, Rectangle b) { return rectContains(a, toRect(b)); } static boolean rectContains(Rect a, int x, int y) { return a != null && a.contains(x, y); } static boolean rectContains(Rect a, Pt p) { return a != null && p != null && a.contains(p); } static List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static List subList(int startIndex, List l) { return subList(l, startIndex); } static List subList(int startIndex, int endIndex, List l) { return subList(l, startIndex, endIndex); } static 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 String appendColonIfNempty(String s) { return empty(s) ? "" : s + ": "; } 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(byte[] a) { return a == null || a.length == 0; } static boolean isEmpty(Map map) { return map == null || map.isEmpty(); } static List cloneSubList(List l, int startIndex, int endIndex) { return newSubList(l, startIndex, endIndex); } static List cloneSubList(List l, int startIndex) { return newSubList(l, startIndex); } static void removeSubList(List l, int from, int to) { if (l != null) subList(l, from, to).clear(); } static void removeSubList(List l, int from) { if (l != null) subList(l, from).clear(); } static Object realMC() { return getThreadLocal(realMC_tl()); } static int lastIndexOf(String a, String b) { return a == null || b == null ? -1 : a.lastIndexOf(b); } static int lastIndexOf(String a, char b) { return a == null ? -1 : a.lastIndexOf(b); } // starts searching from i-1 static 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 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 List allFieldObjects_dontMakeAccessible(Object o) { List fields = new ArrayList(); Class _c = _getClass(o); do { addAll(fields, _c.getDeclaredFields()); _c = _c.getSuperclass(); } while (_c != null); return fields; } static List map(Iterable l, Object f) { return map(f, l); } static List map(Object f, Iterable l) { List x = emptyList(l); if (l != null) for (Object o : l) { ping(); x.add(callF(f, o)); } return x; } // map: func(key, value) -> list element static List map(Map map, Object f) { List x = new ArrayList(); if (map != null) for (Object _e : map.entrySet()) { ping(); Map.Entry e = (Map.Entry) _e; x.add(callF(f, e.getKey(), e.getValue())); } return x; } static List map(Object f, Object[] l) { return map(f, asList(l)); } static List map(Object[] l, Object f) { return map(f, l); } static List map(Object f, Map map) { return map(map, f); } static List map(Iterable l, F1 f) { return map(f, l); } static List map(F1 f, Iterable l) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(callF(f, o)); } return x; } static List map(IF1 f, Iterable l) { return map(l, f); } static List map(Iterable l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(f.get(o)); } return x; } static List map(IF1 f, A[] l) { return map(l, f); } static List map(A[] l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(f.get(o)); } return x; } static List map(Map map, IF2 f) { List x = new ArrayList(); if (map != null) for (Map.Entry e : map.entrySet()) { ping(); x.add(f.get(e.getKey(), e.getValue())); } return x; } // new magic alias for mapLL - does it conflict? static List map(IF1 f, A data1, A... moreData) { List x = emptyList(l(moreData)+1); x.add(f.get(data1)); if (moreData != null) for (A o : moreData) { ping(); x.add(f.get(o)); } return x; } static Pair pairMapB(Object f, Pair p) { return p == null ? null : pair(p.a, callF(f, p.b)); } static Pair pairMapB(IF1 f, Pair p) { return p == null ? null : pair(p.a, f.get(p.b)); } static Pair pairMapB(Pair p, Object f) { return pairMap(f, p); } static 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 Map mapToKeys(Iterable l, IF1 f) { if (l == null) return null; HashMap map = new HashMap(); for (A a : l) map.put(f.get(a), a); return map; } static Map mapToKeys(IF1 f, A[] l) { return mapToKeys(f, asList(l)); } static Map mapToKeys(IF1 f, Iterable l) { return mapToKeys(l, f); } static Map weakMap() { return newWeakHashMap(); } // allows null keys but not null values static B getOrCreate(Map map, A key, Class c) { try { B b = map.get(key); if (b == null) map.put(key, b = c.newInstance()); return b; } catch (Exception __e) { throw rethrow(__e); } } // f : func -> B static B getOrCreate(Map map, A key, Object f) { try { B b = map.get(key); if (b == null) map.put(key, b = (B) callF(f)); return b; } catch (Exception __e) { throw rethrow(__e); } } static B getOrCreate(IF0 f, Map map, A key) { return getOrCreate(map, key, f); } static B getOrCreate(Map map, A key, IF0 f) { B b = map.get(key); if (b == null) map.put(key, b = f.get()); return b; } static B getOrCreate(Class c, Map map, A key) { return getOrCreate(map, key, c); } static List splitAtSpace(String s) { return empty(s) ? emptyList() : asList(s.split("\\s+")); } static String toStringOpt(Object o) { return o instanceof String ? ((String) o) : null; } static A addComponents(A c, Collection components) { if (nempty(components)) { swing(() -> { for (Component comp : components) if (comp != null) c.add(comp); revalidate(c); }); } return c; } static A addComponents(A c, Component... components) { return addComponents(c, asList(components)); } static int indexOfSubList(List x, List y) { return indexOfSubList(x, y, 0); } static int indexOfSubList(List x, List y, int i) { outer: for (; i+l(y) <= l(x); i++) { for (int j = 0; j < l(y); j++) if (neq(x.get(i+j), y.get(j))) continue outer; return i; } return -1; } static int indexOfSubList(List x, A[] y, int i) { outer: for (; i+l(y) <= l(x); i++) { for (int j = 0; j < l(y); j++) if (neq(x.get(i+j), y[j])) continue outer; return i; } return -1; } static void copyListPart(List a, int i1, List b, int i2, int n) { if (a == null || b == null) return; for (int i = 0; i < n; i++) b.set(i2+i, a.get(i1+i)); } static char lastChar(String s) { return empty(s) ? '\0' : s.charAt(l(s)-1); } static Rect toRect(Rectangle r) { return r == null ? null : new Rect(r); } static Rect toRect(RectangularShape r) { return r == null ? null : toRect(r.getBounds()); } static Rect toRect(Rect r) { return r; } static List newSubList(List l, int startIndex, int endIndex) { return cloneList(subList(l, startIndex, endIndex)); } static List newSubList(List l, int startIndex) { return cloneList(subList(l, startIndex)); } static ThreadLocal realMC_tl_tl = new ThreadLocal(); static ThreadLocal realMC_tl() { return realMC_tl_tl; } static Pair pairMap(Object f, Pair p) { return p == null ? null : pair(callF(f, p.a), callF(f, p.b)); } static Pair pairMap(IF1 f, Pair p) { return p == null ? null : pair(callF(f, p.a), callF(f, p.b)); } static Pair pairMap(Pair p, Object f) { return pairMap(f, p); } static Object swing(Object f) { return swingAndWait(f); } static void swing(Runnable f) { swingAndWait(f); } static A swing(F0 f) { return (A) swingAndWait(f); } static A swing(IF0 f) { return (A) swingAndWait(f); } static A revalidate(final A c) { if (c == null || !c.isShowing()) return c; { swing(() -> { // magic combo to actually relayout and repaint c.revalidate(); c.repaint(); }); } return c; } static void revalidate(JFrame f) { revalidate((Component) f); } static void revalidate(JInternalFrame f) { revalidate((Component) f); } static int iround(double d) { return (int) Math.round(d); } static int iround(Number n) { return iround(toDouble(n)); } static void swingAndWait(Runnable r) { try { if (isAWTThread()) r.run(); else EventQueue.invokeAndWait(addThreadInfoToRunnable(r)); } catch (Exception __e) { throw rethrow(__e); } } static Object swingAndWait(final Object f) { if (isAWTThread()) return callF(f); else { final Var result = new Var(); swingAndWait(new Runnable() { public void run() { try { result.set(callF(f)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "result.set(callF(f));"; }}); return result.get(); } } static double toDouble(Object o) { if (o instanceof Number) return ((Number) o).doubleValue(); if (o instanceof BigInteger) return ((BigInteger) o).doubleValue(); if (o instanceof String) return parseDouble((String) o); if (o == null) return 0.0; throw fail(o); } static Runnable addThreadInfoToRunnable(final Object r) { final Object info = _threadInfo(); return info == null ? asRunnable(r) : new Runnable() { public void run() { try { _inheritThreadInfo(info); callF(r); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "_inheritThreadInfo(info); callF(r);"; }}; } static double parseDouble(String s) { return empty(s) ? 0.0 : Double.parseDouble(s); } static List> _threadInfo_makers = synchroList(); static Object _threadInfo() { if (empty(_threadInfo_makers)) return null; HashMap map = new HashMap(); pcallFAll(_threadInfo_makers, map); return map; } static Runnable asRunnable(Object o) { return toRunnable(o); } static void _inheritThreadInfo(Object info) { _threadInheritInfo(info); } static void pcallFAll(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) pcallF(f, args); } static void pcallFAll(Iterator it, Object... args) { while (it.hasNext()) pcallF(it.next(), args); } static Runnable toRunnable(final Object o) { if (o == null) return null; if (o instanceof Runnable) return (Runnable) o; if (o instanceof String) throw fail("callF_legacy"); return new Runnable() { public void run() { try { callF(o) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(o)"; }}; } static List> _threadInheritInfo_retrievers = synchroList(); static void _threadInheritInfo(Object info) { if (info == null) return; pcallFAll(_threadInheritInfo_retrievers, (Map) info); } static Object pcallF(Object f, Object... args) { return pcallFunction(f, args); } static A pcallF(F0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { printStackTrace(__e); } return null; } static B pcallF(F1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { printStackTrace(__e); } return null; } static void pcallF(VF1 f, A a) { try { { if (f != null) f.get(a); } } catch (Throwable __e) { printStackTrace(__e); } } static Object pcallF(Runnable r) { try { { if (r != null) r.run(); } } catch (Throwable __e) { printStackTrace(__e); } return null; } static A pcallF(IF0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { printStackTrace(__e); } return null; } static B pcallF(IF1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { printStackTrace(__e); } return null; } static Object pcallFunction(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable __e) { printStackTrace(__e); } return null; } static abstract class VF1 implements IVF1 { public abstract void get(A a); } // immutable, has strong refs // Do not run in a synchronized block - it goes wrong in the presence // of elaborate classloaders (like in Gazelle BEA) // see #1102990 and #1102991 final static class _MethodCache { final Class c; final HashMap> cache = new HashMap(); _MethodCache(Class c) { this.c = c; _init(); } void _init() { Class _c = c; java.lang.Module myModule = getClass().getModule(); boolean anyHiddenClasses = false; while (_c != null) { boolean exported = classIsExportedTo(_c, myModule); if (!exported) anyHiddenClasses = true; else for (Method m : _c.getDeclaredMethods()) if ((anyHiddenClasses || !isAbstract(m)) && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); _c = _c.getSuperclass(); } // add default methods - this might lead to a duplication // because the overridden method is also added, but it's not // a problem except for minimal performance loss. // If any classes in the hierarchy were inaccessible, we add // all interface methods (see test_callForbiddenMethodByReflection for a test) for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if ((anyHiddenClasses || m.isDefault()) && !reflection_isForbiddenMethod(m)) multiMapPut(cache, m.getName(), makeAccessible(m)); } // Returns only matching methods 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); } } 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); } } //Cl allMethods() { ret allValues(cache); } } 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 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)); } public String toString() { return "Matches(" + joinWithComma(quoteAll(asList(m))) + ")"; } public int hashCode() { return _hashCode(toList(m)); } public boolean equals(Object o) { return o instanceof Matches && arraysEqual(m, ((Matches) o).m); } } // for the version with MasterSymbol (used WAY back in "Smart Bot"!) see #1010608 static class Symbol implements CharSequence { String text; Symbol() {} Symbol(String text, boolean dummy) { this.text = text;} // weird signature to prevent accidental calling public int hashCode() { return _hashCode(text); } public String toString() { return text; } public boolean equals(Object o) { return this == o; } // implementation of CharSequence methods 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 class Var implements IVar, ISetter { Var() {} Var(A v) { this.v = v;} A v; // you can access this directly if you use one thread 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 void clear() { set(null); } public String toString() { return str(this.get()); } } static interface ITokCondition { boolean get(List tok, int i); // i = N Index } static abstract class TokCondition implements ITokCondition { public abstract boolean get(List tok, int i); // i = N Index } static class MultiMap implements IMultiMap { Map> data = new HashMap>(); int fullSize; MultiMap() {} MultiMap(boolean useTreeMap) { if (useTreeMap) data = new TreeMap(); } MultiMap(MultiMap map) { putAll(map); } MultiMap(Map> data) { this.data = data;} void put(A key, B value) { synchronized(data) { List list = data.get(key); if (list == null) data.put(key, list = _makeEmptyList()); list.add(value); ++fullSize; }} void add(A key, B value) { put(key, value); } void addAll(A key, Collection values) { putAll(key, values); } void addAllIfNotThere(A key, Collection values) { synchronized(data) { for (B value : values) setPut(key, value); }} void setPut(A key, B value) { synchronized(data) { if (!containsPair(key, value)) put(key, value); }} boolean containsPair(A key, B value) { synchronized(data) { return get(key).contains(value); }} void putAll(Collection keys, B value) { synchronized(data) { for (A key : unnullForIteration(keys)) put(key, value); }} void putAll(A key, Collection values) { synchronized(data) { if (nempty(values)) getActual(key).addAll(values); }} void putAll(Iterable> pairs) { synchronized(data) { for (Pair p : unnullForIteration(pairs)) put(p.a, p.b); }} void removeAll(A key, Collection values) { synchronized(data) { for (B value : values) remove(key, value); }} public List get(A key) { synchronized(data) { List list = data.get(key); return list == null ? Collections. emptyList() : list; }} List getOpt(A key) { synchronized(data) { return data.get(key); }} List getAndClear(A key) { synchronized(data) { List l = cloneList(data.get(key)); remove(key); return l; }} // returns actual mutable live list // creates the list if not there List getActual(A key) { synchronized(data) { List list = data.get(key); if (list == null) data.put(key, list = _makeEmptyList()); return list; }} void clean(A key) { synchronized(data) { List list = data.get(key); if (list != null && list.isEmpty()) { fullSize -= l(list); data.remove(key); } }} final public Set keys(){ return keySet(); } public Set keySet() { synchronized(data) { return data.keySet(); }} void remove(A key) { synchronized(data) { fullSize -= l(this.getOpt(key)); data.remove(key); }} final void remove(Pair p){ removePair(p); } void removePair(Pair p) { if (p != null) remove(p.a, p.b); } void remove(A key, B value) { synchronized(data) { List list = data.get(key); if (list != null) { if (list.remove(value)) fullSize--; if (list.isEmpty()) data.remove(key); } }} void clear() { synchronized(data) { data.clear(); }} boolean containsKey(A key) { synchronized(data) { return data.containsKey(key); }} B getFirst(A key) { synchronized(data) { List list = get(key); return list.isEmpty() ? null : list.get(0); }} void addAll(MultiMap map) { putAll(map); } void putAll(MultiMap map) { synchronized(data) { for (A key : map.keySet()) putAll(key, map.get(key)); }} void putAll(Map map) { synchronized(data) { if (map != null) for (Map.Entry e : map.entrySet()) put(e.getKey(), e.getValue()); }} final public int keyCount(){ return keysSize(); } public int keysSize() { synchronized(data) { return l(data); }} // full size - note: expensive operation final public int fullSize(){ return size(); } public int size() { synchronized(data) { return fullSize; }} // expensive operation List reverseGet(B b) { synchronized(data) { List l = new ArrayList(); for (A key : data.keySet()) if (data.get(key).contains(b)) l.add(key); return l; }} Map> asMap() { synchronized(data) { return cloneMap(data); }} boolean isEmpty() { synchronized(data) { return data.isEmpty(); }} // override in subclasses List _makeEmptyList() { return new ArrayList(); } // returns live lists Collection> allLists() { synchronized(data) { return new ArrayList(data.values()); } } Collection> values() { return allLists(); } List allValues() { return concatLists(data.values()); } Object mutex() { return data; } public String toString() { return "mm" + str(data); } } /* * @(#)WeakHashMap.java 1.5 98/09/30 * * Copyright 1998 by Sun Microsystems, Inc., * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A. * All rights reserved. * * This software is the confidential and proprietary information * of Sun Microsystems, Inc. ("Confidential Information"). You * shall not disclose such Confidential Information and shall use * it only in accordance with the terms of the license agreement * you entered into with Sun. */ // From https://github.com/mernst/plume-lib/blob/df0bfafc3c16848d88f4ea0ef3c8bf3367ae085e/java/src/plume/WeakHasherMap.java static final class WeakHasherMap extends AbstractMap implements Map { private Hasher hasher = null; /*@Pure*/ private boolean keyEquals(Object k1, Object k2) { return (hasher==null ? k1.equals(k2) : hasher.equals(k1, k2)); } /*@Pure*/ private int keyHashCode(Object k1) { return (hasher==null ? k1.hashCode() : hasher.hashCode(k1)); } // The WeakKey class can't be static because it depends on the hasher. // That in turn means that its methods can't be static. // However, I need to be able to call the methods such as create() that // were static in the original version of this code. // This finesses that. private /*@Nullable*/ WeakKey WeakKeyCreate(K k) { if (k == null) return null; else return new WeakKey(k); } private /*@Nullable*/ WeakKey WeakKeyCreate(K k, ReferenceQueue q) { if (k == null) return null; else return new WeakKey(k, q); } // Cannot be a static class: uses keyHashCode() and keyEquals() private final class WeakKey extends WeakReference { private int hash; /* Hashcode of key, stored here since the key may be tossed by the GC */ private WeakKey(K k) { super(k); hash = keyHashCode(k); } private /*@Nullable*/ WeakKey create(K k) { if (k == null) return null; else return new WeakKey(k); } private WeakKey(K k, ReferenceQueue q) { super(k, q); hash = keyHashCode(k); } private /*@Nullable*/ WeakKey create(K k, ReferenceQueue q) { if (k == null) return null; else return new WeakKey(k, q); } /* A WeakKey is equal to another WeakKey iff they both refer to objects that are, in turn, equal according to their own equals methods */ /*@Pure*/ @Override public boolean equals(/*@Nullable*/ Object o) { if (o == null) return false; // never happens if (this == o) return true; // This test is illegal because WeakKey is a generic type, // so use the getClass hack below instead. // if (!(o instanceof WeakKey)) return false; 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); } /*@Pure*/ @Override public int hashCode() { return hash; } } /* Hash table mapping WeakKeys to values */ private HashMap hash; /* Reference queue for cleared WeakKeys */ private ReferenceQueue queue = new ReferenceQueue(); /* Remove all invalidated entries from the map, that is, remove all entries whose keys have been discarded. This method should be invoked once by each public mutator in this class. We don't invoke this method in public accessors because that can lead to surprising ConcurrentModificationExceptions. */ @SuppressWarnings("unchecked") private void processQueue() { WeakKey wk; while ((wk = (WeakKey)queue.poll()) != null) { // unchecked cast hash.remove(wk); } } /* -- Constructors -- */ /** * Constructs a new, empty WeakHashMap with the given * initial capacity and the given load factor. * * @param initialCapacity the initial capacity of the * WeakHashMap * * @param loadFactor the load factor of the WeakHashMap * * @throws IllegalArgumentException If the initial capacity is less than * zero, or if the load factor is * nonpositive */ public WeakHasherMap(int initialCapacity, float loadFactor) { hash = new HashMap(initialCapacity, loadFactor); } /** * Constructs a new, empty WeakHashMap with the given * initial capacity and the default load factor, which is * 0.75. * * @param initialCapacity the initial capacity of the * WeakHashMap * * @throws IllegalArgumentException If the initial capacity is less than * zero */ public WeakHasherMap(int initialCapacity) { hash = new HashMap(initialCapacity); } /** * Constructs a new, empty WeakHashMap with the default * capacity and the default load factor, which is 0.75. */ public WeakHasherMap() { hash = new HashMap(); } /** * Constructs a new, empty WeakHashMap with the default * capacity and the default load factor, which is 0.75. * The WeakHashMap uses the specified hasher for hashing * keys and comparing them for equality. * @param h the Hasher to use when hashing values for this map */ public WeakHasherMap(Hasher h) { hash = new HashMap(); hasher = h; } /* -- Simple queries -- */ /** * Returns the number of key-value mappings in this map. * Note: In contrast to most implementations of the * Map interface, the time required by this operation is * linear in the size of the map. */ /*@Pure*/ @Override public int size() { return entrySet().size(); } /** * Returns true if this map contains no key-value mappings. */ /*@Pure*/ @Override public boolean isEmpty() { return entrySet().isEmpty(); } /** * Returns true if this map contains a mapping for the * specified key. * * @param key the key whose presence in this map is to be tested */ /*@Pure*/ @Override public boolean containsKey(Object key) { @SuppressWarnings("unchecked") K kkey = (K) key; return hash.containsKey(WeakKeyCreate(kkey)); } /* -- Lookup and modification operations -- */ /** * Returns the value to which this map maps the specified key. * If this map does not contain a value for this key, then return * null. * * @param key the key whose associated value, if any, is to be returned */ /*@Pure*/ @Override public /*@Nullable*/ V get(Object key) { // type of argument is Object, not K @SuppressWarnings("unchecked") K kkey = (K) key; return hash.get(WeakKeyCreate(kkey)); } /** * Updates this map so that the given key maps to the given * value. If the map previously contained a mapping for * key then that mapping is replaced and the previous value is * returned. * * @param key the key that is to be mapped to the given * value * @param value the value to which the given key is to be * mapped * * @return the previous value to which this key was mapped, or * null if if there was no mapping for the key */ @Override public V put(K key, V value) { processQueue(); return hash.put(WeakKeyCreate(key, queue), value); } /** * Removes the mapping for the given key from this map, if * present. * * @param key the key whose mapping is to be removed * * @return the value to which this key was mapped, or null if * there was no mapping for the key */ @Override public V remove(Object key) { // type of argument is Object, not K processQueue(); @SuppressWarnings("unchecked") K kkey = (K) key; return hash.remove(WeakKeyCreate(kkey)); } /** * Removes all mappings from this map. */ @Override public void clear() { processQueue(); hash.clear(); } /* -- Views -- */ /* Internal class for entries */ // This can't be static, again because of dependence on hasher. @SuppressWarnings("TypeParameterShadowing") private final class Entry implements Map.Entry { private Map.Entry ent; private K key; /* Strong reference to key, so that the GC will leave it alone as long as this Entry exists */ Entry(Map.Entry ent, K key) { this.ent = ent; this.key = key; } /*@Pure*/ @Override public K getKey() { return key; } /*@Pure*/ @Override public V getValue() { return ent.getValue(); } @Override public V setValue(V value) { return ent.setValue(value); } /*@Pure*/ private boolean keyvalEquals(K o1, K o2) { return (o1 == null) ? (o2 == null) : keyEquals(o1, o2); } /*@Pure*/ private boolean valEquals(V o1, V o2) { return (o1 == null) ? (o2 == null) : o1.equals(o2); } /*@Pure*/ @SuppressWarnings("NonOverridingEquals") public boolean equals(Map.Entry e /* Object o*/) { // if (! (o instanceof Map.Entry)) return false; // Map.Entry e = (Map.Entry)o; return (keyvalEquals(key, e.getKey()) && valEquals(getValue(), e.getValue())); } /*@Pure*/ @Override public int hashCode() { V v; return (((key == null) ? 0 : keyHashCode(key)) ^ (((v = getValue()) == null) ? 0 : v.hashCode())); } } /* Internal class for entry sets */ private final class EntrySet extends AbstractSet> { Set> hashEntrySet = hash.entrySet(); @Override public Iterator> iterator() { return new Iterator>() { Iterator> hashIterator = hashEntrySet.iterator(); 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)) { /* Weak key has been cleared by GC */ 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(); } }; } /*@Pure*/ @Override public boolean isEmpty() { return !(iterator().hasNext()); } /*@Pure*/ @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; // unchecked cast 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; } /*@Pure*/ @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; } } private /*@Nullable*/ Set> entrySet = null; /** * Returns a Set view of the mappings in this map. */ /*@SideEffectFree*/ @Override public Set> entrySet() { if (entrySet == null) entrySet = new EntrySet(); return entrySet; } // find matching key K findKey(Object key) { processQueue(); K kkey = (K) key; // TODO: use replacement for HashMap to avoid reflection WeakKey wkey = WeakKeyCreate(kkey); WeakKey found = hashMap_findKey(hash, wkey); return found == null ? null : found.get(); } } static class Pair implements Comparable> { A a; B b; Pair() {} Pair(A a, B b) { this.b = b; this.a = a;} public int hashCode() { return hashCodeFor(a) + 2*hashCodeFor(b); } public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof Pair)) return false; Pair t = (Pair) o; return eq(a, t.a) && eq(b, t.b); } public String toString() { return "<" + a + ", " + b + ">"; } public int compareTo(Pair p) { if (p == null) return 1; int i = ((Comparable) a).compareTo(p.a); if (i != 0) return i; return ((Comparable) b).compareTo(p.b); } } static class Fail extends RuntimeException implements IFieldsToList{ Object[] objects; Fail() {} Fail(Object... objects) { this.objects = objects;}public Object[] _fieldsToList() { return new Object[] {objects}; } Fail(Throwable cause, Object... objects) { super(cause); this.objects = objects; } public String toString() { return joinNemptiesWithColon("Fail", commaCombine(getCause(), objects)); } } final static class Rect implements IFieldsToList{ static final String _fieldOrder = "x y w h"; int x; int y; int w; int h; Rect() {} Rect(int x, int y, int w, int h) { this.h = h; this.w = w; this.y = y; this.x = x;} public boolean equals(Object o) { if (!(o instanceof Rect)) return false; Rect __1 = (Rect) o; return x == __1.x && y == __1.y && w == __1.w && h == __1.h; } public int hashCode() { int h = 2543108; h = boostHashCombine(h, _hashCode(x)); h = boostHashCombine(h, _hashCode(y)); h = boostHashCombine(h, _hashCode(w)); h = boostHashCombine(h, _hashCode(h)); return h; } public Object[] _fieldsToList() { return new Object[] {x, y, w, h}; } Rect(Rectangle r) { x = r.x; y = r.y; w = r.width; h = r.height; } Rect(Pt p, int w, int h) { this.h = h; this.w = w; x = p.x; y = p.y; } Rect(Rect r) { x = r.x; y = r.y; w = r.w; h = r.h; } Rectangle getRectangle() { return new Rectangle(x, y, w, h); } public String toString() { return x + "," + y + " / " + w + "," + h; } int x1() { return x; } int y1() { return y; } int x2() { return x + w; } int y2() { return y + h; } boolean contains(Pt p) { return contains(p.x, p.y); } boolean contains(int _x, int _y) { return _x >= x && _y >= y && _x < x+w && _y < y+h; } boolean contains(Rectangle r) { return rectContains(this, r); } boolean empty() { return w <= 0 || h <= 0; } int getWidth() { return w; } int getHeight() { return h; } } static class Pt implements Comparable, IDoublePt { int x, y; Pt() {} Pt(Point p) { x = p.x; y = p.y; } Pt(int x, int y) { this.y = y; this.x = x;} Point getPoint() { return new Point(x, y); } public boolean equals(Object o) { return o instanceof Pt && x == ((Pt) o).x && y == ((Pt) o).y; } public int hashCode() { return boostHashCombine(x, y); } // compare in scan order public int compareTo(Pt p) { if (y != p.y) return cmp(y, p.y); return cmp(x, p.x); } public String toString() { return x + ", " + y; } double length() { return sqrt(x*x+y*y); } public Pt minus(Pt p) { return ptMinus(this, p); } public double x_double() { return x; } public double y_double() { return y; } } static abstract class F0 { abstract A get(); } static abstract class F1 { abstract B get(A a); } // you still need to implement hasNext() and next() static abstract class IterableIterator implements Iterator, Iterable { public Iterator iterator() { return this; } public void remove() { unsupportedOperation(); } } // elements are put to front when added (not when accessed) static class MRUCache extends LinkedHashMap { int maxSize = 10; MRUCache() {} MRUCache(int maxSize) { this.maxSize = maxSize;} protected boolean removeEldestEntry(Map.Entry eldest) { return size() > maxSize; } Object _serialize() { return ll(maxSize, cloneLinkedHashMap(this)); } static MRUCache _deserialize(List l) { MRUCache m = new MRUCache(); m.maxSize = (int) first(l); m.putAll((LinkedHashMap) second(l)); return m; } } public static interface IF0 { A get(); } static interface Hasher { int hashCode(A a); boolean equals(A a, A b); } static interface IF2 { C get(A a, B b); } static interface IF1 { B get(A a); } static class PersistableThrowable extends DynamicObject { String className; String msg; String stacktrace; PersistableThrowable() {} PersistableThrowable(Throwable e) { if (e == null) className = "Crazy Null Error"; else { className = getClassName(e).replace('/', '.'); msg = e.getMessage(); stacktrace = getStackTrace_noRecord(e); } } public String toString() { return nempty(msg) ? className + ": " + msg : className; } RuntimeException asRuntimeException() { return new Fail(this); } } static interface IVF1 { void get(A a); } static interface IIntPred { boolean get(int a); } static interface IFieldsToList { Object[] _fieldsToList(); } static interface ISetter { void set(A a); } interface IMultiMap { public Set keySet(); public Collection get(A a); public int size(); public int keyCount(); } interface IDoublePt { public double x_double(); public double y_double(); } static interface IVar extends IF0 { void set(A a); A get(); // reified type of value (if available) default Class getType() { return null; } default boolean has() { return get() != null; } default void clear() { set(null); } } static Class getClass(String name) { return _getClass(name); } static Class getClass(Object o) { return _getClass(o); } static Class getClass(Object realm, String name) { return _getClass(realm, name); } static boolean classIsExportedTo(Class c, java.lang.Module destModule) { if (c == null || destModule == null) return false; java.lang.Module srcModule = c.getModule(); String packageName = c.getPackageName(); return srcModule.isExported(packageName, destModule); } static boolean isAbstract(Class c) { return (c.getModifiers() & Modifier.ABSTRACT) != 0; } static boolean isAbstract(Method m) { return (m.getModifiers() & Modifier.ABSTRACT) != 0; } static boolean reflection_isForbiddenMethod(Method m) { return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives"); } static Set allInterfacesImplementedBy(Class c) { if (c == null) return null; HashSet set = new HashSet(); allInterfacesImplementedBy_find(c, set); return set; } static 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 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 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 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 quoteAll(String[] l) { return quoteAll(asList(l)); } static List quoteAll(Collection l) { List x = new ArrayList(); for (String s : l) x.add(quote(s)); return x; } static int _hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static ArrayList toList(A[] a) { return asList(a); } static ArrayList toList(int[] a) { return asList(a); } static ArrayList toList(Set s) { return asList(s); } static ArrayList toList(Iterable s) { return asList(s); } static boolean arraysEqual(Object[] a, Object[] b) { if (a.length != b.length) return false; for (int i = 0; i < a.length; i++) if (neq(a[i], b[i])) return false; return true; } static void remove(List l, int i) { if (l != null && i >= 0 && i < l(l)) l.remove(i); } static void remove(Collection l, A a) { if (l != null) l.remove(a); } static B remove(Map map, Object a) { return map == null ? null : map.remove(a); } static void remove(BitSet bs, int i) { bs.clear(i); } static A getAndClear(IVar v) { A a = v.get(); v.set(null); return a; } static Set keys(Map map) { return map == null ? new HashSet() : map.keySet(); } // convenience shortcut for keys_gen static Set keys(Object map) { return keys((Map) map); } static Set keys(IMultiMap mm) { return mm.keySet(); } static Set keySet(Map map) { return map == null ? new HashSet() : map.keySet(); } static Set keySet(Object map) { return keys((Map) map); } static Set keySet(MultiMap mm) { return mm.keySet(); } static int keysSize(MultiMap mm) { return lKeys(mm); } static A reverseGet(List l, int idx) { if (l == null || idx < 0) return null; int n = l(l); return idx < n ? l.get(n-1-idx) : null; } static Collection values(Map map) { return map == null ? emptyList() : map.values(); } // convenience shortcut for values_gen static Collection values(Object map) { return values((Map) map); } static Collection values(MultiMap mm) { return mm == null ? emptyList() : concatLists(values(mm.data)); } static > List allValues(Map map) { List out = new ArrayList(); for (var l : values(map)) addAll(out, l); return out; } static List concatLists(Iterable... lists) { List l = new ArrayList(); if (lists != null) for (Iterable list : lists) addAll(l, list); return l; } static List concatLists(Collection> lists) { List l = new ArrayList(); if (lists != null) for (Iterable list : lists) addAll(l, list); return l; } static Method hashMap_findKey_method; static 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); // java.util.Map.Entry entry = (java.util.Map.Entry) call(hash, 'getNode, hashMap_internalHash(key), wkey); return entry == null ? null : entry.getKey(); } catch (Exception __e) { throw rethrow(__e); } } static int hashCodeFor(Object a) { return a == null ? 0 : a.hashCode(); } static String joinNemptiesWithColon(String... strings) { return joinNempties(": ", strings); } static String joinNemptiesWithColon(Collection strings) { return joinNempties(": ", strings); } static String commaCombine(Object... l) { return joinNemptiesWithComma(flattenCollectionsAndArrays(ll(l))); } static int boostHashCombine(int a, int b) { return a ^ (b + 0x9e3779b9 + (a << 6) + (a >>> 2)); // OLD (changed) 2022/3/10: ret a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2)); } static double sqrt(double x) { return Math.sqrt(x); } static Pt ptMinus(Pt a, Pt b) { if (b == null) return a; return new Pt(a.x-b.x, a.y-b.y); } static UnsupportedOperationException unsupportedOperation() { throw new UnsupportedOperationException(); } static LinkedHashMap cloneLinkedHashMap(Map map) { return map == null ? new LinkedHashMap() : new LinkedHashMap(map); } static A second(List l) { return get(l, 1); } static 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 A second(A[] bla) { return bla == null || bla.length <= 1 ? null : bla[1]; } static B second(Pair p) { return p == null ? null : p.b; } static char second(String s) { return charAt(s, 1); } static 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 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 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 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 void set(BitSet bs, int idx) { { if (bs != null) bs.set(idx); } } static boolean endsWith(String a, String b) { return a != null && a.endsWith(b); } static boolean endsWith(String a, char c) { return nempty(a) && lastChar(a) == c; } static boolean endsWith(String a, String b, Matches m) { if (!endsWith(a, b)) return false; m.m = new String[] {dropLast(l(b), a)}; return true; } static int lKeys(MultiMap mm) { return mm == null ? 0 : mm.keysSize(); } static int hashMap_internalHash(Object key) { int h; return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16); } static String joinNempties(String sep, Object... strings) { return joinStrings(sep, strings); } static String joinNempties(String sep, Iterable strings) { return joinStrings(sep, strings); } static String joinNemptiesWithComma(Object... strings) { return joinNempties(", ", strings); } static String joinNemptiesWithComma(Iterable strings) { return joinNempties(", ", strings); } static List flattenCollectionsAndArrays(Iterable a) { List l = new ArrayList(); for (Object x : a) if (x instanceof Collection) l.addAll(flattenCollectionsAndArrays((Collection) x)); else if (x instanceof Object[]) l.addAll(flattenCollectionsAndArrays(asList((Object[]) x))); else l.add(x); return l; } static char charAt(String s, int i) { return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0'; } static void smartSet(Field f, Object o, Object value) throws Exception { try { f.set(o, value); } catch (Exception e) { Class type = f.getType(); // take care of common case (long to int) 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; } throw e; } } static A[] dropLast(A[] a) { return dropLast(a, 1); } static 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 List dropLast(List l) { return subList(l, 0, l(l)-1); } static List dropLast(int n, List l) { return subList(l, 0, l(l)-n); } static List dropLast(Iterable l) { return dropLast(asList(l)); } static String dropLast(String s) { return substring(s, 0, l(s)-1); } static String dropLast(String s, int n) { return substring(s, 0, l(s)-n); } static String dropLast(int n, String s) { return dropLast(s, n); } static String joinStrings(String sep, Object... strings) { return joinStrings(sep, Arrays.asList(strings)); } static String joinStrings(String sep, Iterable strings) { StringBuilder buf = new StringBuilder(); for (Object o : unnull(strings)) { String s = strOrNull(o); if (nempty(s)) { if (nempty(buf)) buf.append(sep); buf.append(s); } } return str(buf); } static boolean isTrueOrYes(Object o) { return isTrueOpt(o) || o instanceof String && (eqicOneOf(((String) o), "1", "t", "true") || isYes(((String) o))); } static 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 A[] arrayOfSameType(A[] a, int n) { return newObjectArrayOfSameType(a, n); } static String strOrNull(Object o) { return o == null ? null : str(o); } static boolean isTrueOpt(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); return false; } static boolean isTrueOpt(String field, Object o) { return isTrueOpt(getOpt(field, o)); } static boolean eqicOneOf(String s, String... l) { for (String x : l) if (eqic(s, x)) return true; return false; } static List isYes_yesses = litlist("y", "yes", "yeah", "y", "yup", "yo", "corect", "sure", "ok", "afirmative"); // << collapsed words, so "corect" means "correct" static boolean isYes(String s) { return isYes_yesses.contains(collapseWord(toLowerCase(firstWord2(s)))); } static A[] newObjectArrayOfSameType(A[] a) { return newObjectArrayOfSameType(a, a.length); } static A[] newObjectArrayOfSameType(A[] a, int n) { return (A[]) Array.newInstance(a.getClass().getComponentType(), n); } static 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 List toLowerCase(List strings) { List x = new ArrayList(); for (String s : strings) x.add(s.toLowerCase()); return x; } static 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 String toLowerCase(String s) { return s == null ? "" : s.toLowerCase(); } static String firstWord2(String s) { s = xltrim(s); if (empty(s)) return ""; if (isLetterOrDigit(first(s))) return takeCharsWhile(__30 -> isLetterOrDigit(__30), s); else return "" + first(s); } static 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 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 boolean isLetterOrDigit(char c) { return Character.isLetterOrDigit(c); } // pred: char -> bool static 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 String takeCharsWhile(IF1 f, String s) { return takeCharsWhile(s, f); } static String substr(String s, int x) { return substring(s, x); } static String substr(String s, int x, int y) { return substring(s, x, y); } }